CN204268902U - A kind of electric induction furnace steel scrap continuously pre-heating promotes feeding device - Google Patents
A kind of electric induction furnace steel scrap continuously pre-heating promotes feeding device Download PDFInfo
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- CN204268902U CN204268902U CN201420728044.1U CN201420728044U CN204268902U CN 204268902 U CN204268902 U CN 204268902U CN 201420728044 U CN201420728044 U CN 201420728044U CN 204268902 U CN204268902 U CN 204268902U
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Abstract
A kind of electric induction furnace steel scrap continuously pre-heating promotes feeding device, belong to metallurgical technology field, comprise be positioned at mobile trolley used on rear side of electric induction furnace and be arranged on mobile trolley used on frame, described frame lower end is horizontally disposed with the vertical hopper that horizontal hopper is connected with horizontal charge slot tail upper end, horizontal hopper inside is provided with pusher, horizontal hopper outer setting has the hydraulic jack controlling pusher pusher, horizontal hopper front portion is provided with horizontal hopper discharging opening, horizontal hopper discharging opening connects the bell be positioned on electric induction furnace, vertical hopper inside is provided with lower charging basket with holes, vertical hopper outer setting has the hydraulic jack controlling lower charging basket blanking, vertical hopper top is provided with upper cover, proportioner and air guide port.The utility model by arranging hydraulic jack, proximity switch and PLC respectively to realize the continuous charging of batching, pusher and blanking in batching, pusher and blanking.
Description
Technical field
The utility model belongs to metallurgical technology field, is specifically related to a kind of electric induction furnace steel scrap continuously pre-heating and promotes feeding device.
Background technology
At present, electric furnace steel making is a kind of important method for making steel, and it dissolves steel scrap metal by electric furnace, can consume a large amount of electric energy in smelting process.Waste steel for electric furnace continuous charging and preheating technology are important technologies of electric furnace steel making, it can be saved electric energy in a large number and reduce flue-gas temperature and dust discharge amount, and the noise of electric furnace work can be reduced, it is a kind of energy-conserving and environment-protective technology, its Typical Representative is the CONSTEEL technology based on vibration continuous charging in US Patent No. 5400358, it is a kind of horizontal continuity feeding technology, electric furnace stabilising arc can be realized smelt, environmental protection and consumption of electrode reduce, reduce production cost, but the method only has upper materials to be heated due to steel scrap, therefore scrap steel preheating temperature is lower, and the device length of this system is long, floor space is large, and there is a large amount of moving components and the high temperature of flue gas due to vibrating feed, plant maintenance amount is larger, dynamic seal (packing) gas leakage is more serious, high to the capacity requirement of blower fan etc., and be not suitable for the electric induction furnace of little tonnage.
Summary of the invention
The utility model object is intended to provide a kind of electric induction furnace steel scrap continuously pre-heating to promote feeding device.
Based on above object, the utility model takes following technical scheme:
A kind of electric induction furnace steel scrap continuously pre-heating promotes feeding device, comprise be positioned at mobile trolley used on rear side of electric induction furnace and be arranged on mobile trolley used on frame, described frame lower end is horizontally disposed with the vertical hopper that horizontal hopper is connected with horizontal charge slot tail upper end, horizontal hopper inside is provided with pusher, horizontal hopper outer setting has the hydraulic jack controlling pusher pusher, horizontal hopper front portion is provided with horizontal hopper discharging opening, horizontal hopper discharging opening connects the bell be positioned on electric induction furnace, described vertical hopper inside is provided with lower charging basket with holes, vertical hopper outer setting has the hydraulic jack controlling lower charging basket blanking, vertical hopper top is provided with upper cover, proportioner and air guide port.
Described horizontal hopper is connected with vertical hopper is vertical.
Described vertical hopper is made up of single cell body that about 4 are connected successively, lower charging basket is provided with in described single cell body, be provided with hydraulic jack outside single cell body, hydraulic jack connects blanking plate, and blanking plate is positioned at below lower charging basket, blanking plate is offered porose, the blanking plate upper be positioned at outside single cell body is provided with cover plate, is provided with planker, is provided with gusset between planker and single cell body below it, hydraulic jack is connected with proximity switch, and proximity switch is connected with PLC.
Be bolted to connection between described single cell body.
Described horizontal charge trough inner water is put down and is provided with delivery sheet with holes.
Be provided with the supporting leg for supporting delivery sheet in described horizontal hopper, delivery sheet is arranged in horizontal hopper by fixture.
Described fixture comprises fixed bar, the U-bolt be set on fixed bar, nut, for the lock sealing nut in gap between lock sealing fixed bar and horizontal hopper.
Described proportioner comprises batching basket, for the roller track of basket moving feeding of preparing burden and the hydraulic jack for controlling the blanking of batching basket, roller track is fixed on frame upper surface, is positioned at vertical hopper both sides.
Described bell offers peep hole, is convenient to the melting situation in observation electric induction furnace or smashes material.
The beneficial effects of the utility model: the utility model by arranging hydraulic jack, proximity switch and PLC respectively to realize the continuous charging of batching, pusher and blanking in batching, pusher and blanking; Each single cell body is equipped with lower charging basket with holes, and the delivery sheet with holes established in horizontal hopper, increases the contact area of steel scrap and high-temperature flue gas, improves the preheat temperature of steel scrap, reduces the smelting time of steel scrap in electric induction furnace; Delivery sheet is dismountable to be arranged in horizontal hopper, convenient and practical, easy access, fixed bar and U-bolt are fixing by lock sealing nut and nut, make on the one hand delivery sheet stable be fixed in horizontal hopper, also ensure that in horizontal hopper air tight on the other hand, good sealing effect; The cover plate established above blanking plate, plays pilot seal effect, the planker established below blanking plate, plays the effect supporting blanking plate and sealing, the gusset established between single cell body and planker, plays the effect strengthening supporting planker; The utility model structure is simple, is suitable for the electric induction furnace of little tonnage, effectively utilizes high-temperature flue gas, make steel scrap obtain effective preheating, reduce production cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 be in Fig. 1 K to partial schematic diagram;
Fig. 3 is single trough body structure schematic diagram;
Fig. 4 is delivery sheet structural representation;
Fig. 5 is delivery sheet partial top view;
Fig. 6 be in Fig. 1 H to batching basket structural representation.
Detailed description of the invention
A kind of electric induction furnace steel scrap continuously pre-heating promotes feeding device, as Fig. 1, Fig. 2, Fig. 3, shown in Fig. 5, comprise the frame 1 being positioned at mobile trolley used 6 on rear side of electric induction furnace 23 and being arranged on mobile trolley used 6, frame 1 lower end is horizontally disposed with the horizontal hopper 2 vertical hopper that be connected vertical with horizontal hopper 2 afterbody upper end, horizontal hopper 2 front portion is provided with horizontal hopper discharging opening 22, horizontal hopper discharging opening 22 connects the bell 5 be positioned on electric induction furnace 23, bell 5 offers peep hole 24, horizontal hopper 2, vertical hopper and bell 5 are made up of heat resisting steel, horizontal hopper discharging opening 22 is connected by voussoir with bell 5, pusher 16 is provided with in horizontal hopper 2, be horizontally disposed with delivery sheet 25 with holes and the supporting leg 17 for supporting delivery sheet 25, delivery sheet 25 is dismountable to be arranged in horizontal hopper 2, the lower surface of pusher 16 is in the upper surface slip feeding of delivery sheet 25, horizontal hopper 2 outer setting has the hydraulic jack 9-1 controlling pusher 16 pusher, described vertical hopper forms with single cell body 4 that bolt is fixedly connected with successively by about 4, lower charging basket 11 is provided with in single cell body 4, the hydraulic jack 9-3 controlling lower charging basket 11 blanking is provided with outside single cell body 4, hydraulic jack 9-3 is connected with blanking plate 12, blanking plate 12 is positioned at below lower charging basket 11, blanking plate 12 is the bottom of lower charging basket 11, the blanking plate upper be positioned at outside single cell body 4 is provided with cover plate 14, planker 15 is provided with below it, gusset 13 is provided with between planker 15 and single cell body 4, each hydraulic jack is connected with proximity switch, proximity switch connects PLC, vertical hopper top is provided with proportioner, upper cover 3, air guide port 10 is established above upper cover 3.
As shown in Figure 4, horizontal hopper 2 both sides offer the circular hole for wearing fixed bar 18, Circularhole diameter is larger than fixed bar 18 external diameter, delivery sheet 25 is positioned on the supporting leg 17 on horizontal charge trough floor 2-1, fixed bar 18 is arranged in circular hole, sheathed lock sealing nut 19 and U-bolt 20, be pressed on horizontal charge trough floor 2-1 with nut 21, then tighten lock sealing nut 19.
As shown in figures 1 to 6, described proportioner comprises framework 28,3 identical batching baskets 27 are provided with in framework 28, for the roller track 26 of basket 27 moving feeding of preparing burden and the hydraulic jack 9-2 for controlling the blanking of batching basket 27, framework 28 is located on roller track 26, roller track 26 is fixed on frame 1 upper surface, is positioned at vertical hopper both sides.
The course of work: in reinforced process, batching, blanking, pusher is by PLC programme-control, steel scrap 29 by single basket of Quantitative dosing successively on delivery sheet 25, hydraulic jack 9-1 promotes pusher 16 makes steel scrap even, quantifying feed is in electric induction furnace 23, high-temp waste gas passes through delivery sheet 25 with holes from steel scrap, lower level penetrates steel scrap (as indicated by arrow c of figure 1), after horizontal hopper 2, vertically penetrate the steel scrap in vertical hopper again, extract out from air guide port, complete the heat exchange with steel scrap, be pushed in electric induction furnace 23 by pusher 16, in heat exchanging process, larger particles in high-temp waste gas drops in horizontal hopper 2, enter in electric induction furnace 23 with steel scrap, decrease the discharge of dust.Frame 1 is fixed on mobile trolley used 6, and mobile trolley used 6 are controlled by translation oil cylinder 8 on track 7, and at electric induction furnace 23 slag discharging or when going out firm water, whole device can move overall relative induction electric furnace 23 back and forth or left and right.
Claims (9)
1. an electric induction furnace steel scrap continuously pre-heating promotes feeding device, comprise be positioned at mobile trolley used on rear side of electric induction furnace and be arranged on mobile trolley used on frame, it is characterized in that, described frame lower end is horizontally disposed with the vertical hopper that horizontal hopper is connected with horizontal charge slot tail upper end, horizontal hopper inside is provided with pusher, horizontal hopper outer setting has the hydraulic jack controlling pusher pusher, horizontal hopper front portion is provided with horizontal hopper discharging opening, horizontal hopper discharging opening connects the bell be positioned on electric induction furnace, described vertical hopper inside is provided with lower charging basket with holes, vertical hopper outer setting has the hydraulic jack controlling lower charging basket blanking, vertical hopper top is provided with upper cover, proportioner and air guide port.
2. electric induction furnace steel scrap continuously pre-heating according to claim 1 promotes feeding device, and it is characterized in that, described horizontal hopper is connected with vertical hopper is vertical.
3. electric induction furnace steel scrap continuously pre-heating according to claim 2 promotes feeding device, it is characterized in that, described vertical hopper is made up of single cell body that about 4 are connected successively, lower charging basket is provided with in described single cell body, hydraulic jack is provided with outside single cell body, hydraulic jack connects blanking plate, blanking plate is positioned at below lower charging basket, blanking plate is offered porose, the blanking plate upper be positioned at outside single cell body is provided with cover plate, is provided with planker, is provided with gusset between planker and single cell body below it, hydraulic jack is connected with proximity switch, and proximity switch is connected with PLC.
4. electric induction furnace steel scrap continuously pre-heating according to claim 3 promotes feeding device, it is characterized in that, is bolted to connection between described single cell body.
5. electric induction furnace steel scrap continuously pre-heating according to claim 1 promotes feeding device, and it is characterized in that, described horizontal charge trough inner water is put down and is provided with delivery sheet with holes.
6. electric induction furnace steel scrap continuously pre-heating according to claim 5 promotes feeding device, and it is characterized in that, be provided with the supporting leg for supporting delivery sheet in described horizontal hopper, delivery sheet is arranged in horizontal hopper by fixture.
7. electric induction furnace steel scrap continuously pre-heating according to claim 6 promotes feeding device, it is characterized in that, described fixture comprises fixed bar, the U-bolt be set on fixed bar, nut, for the lock sealing nut in gap between lock sealing fixed bar and horizontal hopper.
8. electric induction furnace steel scrap continuously pre-heating according to claim 1 promotes feeding device, it is characterized in that, described proportioner comprises batching basket, for the roller track of basket moving feeding of preparing burden and the hydraulic jack for controlling the blanking of batching basket, roller track is fixed on frame upper surface, is positioned at vertical hopper both sides.
9. electric induction furnace steel scrap continuously pre-heating according to claim 1 promotes feeding device, it is characterized in that, described bell offers peep hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420728044.1U CN204268902U (en) | 2014-11-28 | 2014-11-28 | A kind of electric induction furnace steel scrap continuously pre-heating promotes feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420728044.1U CN204268902U (en) | 2014-11-28 | 2014-11-28 | A kind of electric induction furnace steel scrap continuously pre-heating promotes feeding device |
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| Publication Number | Publication Date |
|---|---|
| CN204268902U true CN204268902U (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420728044.1U Expired - Fee Related CN204268902U (en) | 2014-11-28 | 2014-11-28 | A kind of electric induction furnace steel scrap continuously pre-heating promotes feeding device |
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| CN (1) | CN204268902U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106242245A (en) * | 2016-08-31 | 2016-12-21 | 郑州登电玄武石纤有限公司 | A kind of kiln feeding device producing continuous basalt fiber |
| CN108398030A (en) * | 2018-05-02 | 2018-08-14 | 上海轩鼎冶金科技有限公司 | A kind of scrap steel preheating system |
| CN109517941A (en) * | 2018-12-29 | 2019-03-26 | 中冶京诚工程技术有限公司 | Horizontal continuous feeding vertical type scrap steel preheating device and application thereof |
| CN109724405A (en) * | 2019-01-11 | 2019-05-07 | 丰镇市新太新材料科技有限公司 | A kind of high carbon ferro-chrome for preparing is with energy saving and environment friendly electric furnace |
-
2014
- 2014-11-28 CN CN201420728044.1U patent/CN204268902U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106242245A (en) * | 2016-08-31 | 2016-12-21 | 郑州登电玄武石纤有限公司 | A kind of kiln feeding device producing continuous basalt fiber |
| CN106242245B (en) * | 2016-08-31 | 2018-11-16 | 郑州登电玄武石纤有限公司 | A kind of kiln feeding device producing continuous basalt fiber |
| CN108398030A (en) * | 2018-05-02 | 2018-08-14 | 上海轩鼎冶金科技有限公司 | A kind of scrap steel preheating system |
| CN109517941A (en) * | 2018-12-29 | 2019-03-26 | 中冶京诚工程技术有限公司 | Horizontal continuous feeding vertical type scrap steel preheating device and application thereof |
| CN109517941B (en) * | 2018-12-29 | 2024-03-01 | 中冶京诚工程技术有限公司 | Horizontal continuous feeding vertical scrap steel preheating device and application thereof |
| CN109724405A (en) * | 2019-01-11 | 2019-05-07 | 丰镇市新太新材料科技有限公司 | A kind of high carbon ferro-chrome for preparing is with energy saving and environment friendly electric furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20201128 |