CN215725110U - Automatic material sliding device and smelting furnace - Google Patents
Automatic material sliding device and smelting furnace Download PDFInfo
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- CN215725110U CN215725110U CN202023280103.8U CN202023280103U CN215725110U CN 215725110 U CN215725110 U CN 215725110U CN 202023280103 U CN202023280103 U CN 202023280103U CN 215725110 U CN215725110 U CN 215725110U
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- chute
- material sliding
- flashboard
- blanking chute
- rod section
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The utility model relates to an automatic material sliding device and a smelting furnace adopting the same, wherein the automatic material sliding device comprises a material bearing chute and a blanking chute provided with a material sliding control mechanism, and the material sliding control mechanism comprises a flashboard, a force arm rod and a reset unit; the force arm rod is rotatably arranged on the blanking chute in a penetrating way and comprises an inner rod section positioned in the blanking chute and an outer rod section positioned outside the blanking chute; the flashboard is arranged on the inner pipe rod section, and the resetting unit is connected with the outer pipe rod section and has a first state enabling the flashboard to close a flow channel of the blanking chute and a second state which follows when the flashboard is impacted by materials and drives the force arm rod to rotate. The material sliding function of the automatic material sliding device is ensured, meanwhile, the smoke in the furnace can be prevented from overflowing or external air can be prevented from entering under the conditions of no material feeding and the like, and the automatic opening and closing of the flashboard can be realized; when the device is applied to a smelting furnace, the stable and reliable operation of the smelting furnace can be ensured, and the condition that smelting smoke pollutes the environment or outside air enters the furnace to influence production is avoided.
Description
Technical Field
The utility model belongs to the technical field of metallurgical equipment, and particularly relates to an automatic material sliding device and a smelting furnace adopting the same.
Background
The slag is first refined in the steel making process, and almost all steel making tasks are closely related to the slag. The slag can remove harmful elements such as phosphorus, sulfur and the like in the steel furnace burden, can preserve heat, prevent molten steel from being overoxidized, reduce burning loss of beneficial elements, absorb nonmetallic inclusions and reaction products floating in the molten steel, stabilize electric arc combustion, improve the thermal efficiency of the furnace, protect a furnace lining and the like.
The slag mainly comes from added slag-making materials, such as lime, dolomite, fluorite and the like, as well as clay sand stone and other oxidation products of elements such as silicon, manganese, phosphorus, sulfur and the like which are mixed in the furnace burden. The slagging materials carried by furnace materials are removed, other slagging materials are required to be added in the smelting slagging process, the slagging materials generally slide into the furnace from an opening of a furnace cover in a chute form, but a chute channel is required to be closed when the slagging materials are not required, so that the smoke is prevented from overflowing, the heat loss in the furnace and the air pollution of a workshop are caused, the working environment is deteriorated, or the external air enters the furnace from the chute channel, the electrode oxidation is accelerated, and the working load of subsequent dust removal equipment is increased.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an automatic material sliding device and a smelting furnace adopting the same, which can at least solve part of defects in the prior art.
The utility model relates to an automatic material sliding device which comprises a material bearing chute and a discharging chute connected to the bottom of the material bearing chute, wherein a material sliding control mechanism is arranged on the discharging chute and comprises a flashboard, a force arm rod and a reset unit;
the force arm rod is rotatably arranged on the blanking chute in a penetrating way and comprises an inner rod section positioned in the blanking chute and an outer rod section positioned outside the blanking chute;
the flashboard is installed on the pipe inner rod section, and the reset unit is connected with the pipe outer rod section and has a first state enabling the flashboard to close a flow channel of the blanking chute and a second state enabling the flashboard to follow up when being impacted by materials and driving the force arm rod to rotate.
As one embodiment, the reset unit is a counterweight block mounted on the external pipe rod section, and in the second state, an included angle is formed between the axis of the external pipe rod section and the vertical direction.
In one embodiment, the arm lever is an L-shaped lever.
As one embodiment, the reset unit is a reset spring, one end of the reset spring is connected with the outer rod section of the pipe, and the other end of the reset spring is connected with the outer wall of the blanking chute.
In one embodiment, the gate plate is a steel plate made of wear-resistant steel or a wear-resistant layer is provided on an upper plate surface of the gate plate.
As one embodiment, the inner walls of the material bearing chute and the inner wall of the blanking chute are provided with wear-resistant layers.
The utility model also relates to a smelting furnace, which comprises a furnace body and a furnace cover, wherein a charging opening is formed in the furnace cover, the smelting furnace also comprises the automatic material sliding device, and the discharging chute is connected with the charging opening.
As one embodiment, a water-cooling slide pipe is installed at the position of the feeding port and is connected with the blanking slide pipe.
In one embodiment, a flange connection structure is arranged between the water-cooling chute and the blanking chute.
In one embodiment, the smelting furnace is an electric furnace.
The utility model has at least the following beneficial effects:
the automatic material sliding device provided by the utility model can avoid the overflow of flue gas in a furnace or the entrance of external air under the conditions of no feeding and the like while ensuring the basic function of material sliding, can realize the automatic opening and closing of the flashboard, and has the advantages of novel and small structure, and simple and convenient operation and maintenance. When the device is applied to a smelting furnace, the stable and reliable operation of the smelting furnace can be ensured, and the condition that smelting smoke pollutes the environment or external air enters the furnace to influence the production is avoided; the automatic material sliding device adopts a pure mechanical structure, so that the automatic material sliding device is stable and reliable in operation, can better adapt to the high-temperature working environment of the smelting furnace, and can avoid the problems of short service life, more faults and low reliability when electric elements are used.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an automatic material sliding device provided in an embodiment of the present invention;
FIG. 2 is a view of the portion of the structure in the direction A (no shutter box cover) of FIG. 1;
fig. 3 is a view from direction B of fig. 2.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
As shown in fig. 1-3, an automatic material sliding device provided by the embodiment of the present invention includes a material bearing chute 11 and a material discharging chute 12 connected to the bottom of the material bearing chute 11, wherein a material sliding control mechanism is arranged on the material discharging chute 12, and the material sliding control mechanism includes a gate plate 134, a force arm 132 and a reset unit; the force arm rod 132 is rotatably arranged on the blanking chute 12 in a penetrating way and comprises an inner rod section 1321 positioned in the blanking chute 12 and an outer rod section 1322 positioned outside the blanking chute 12; the shutter 134 is mounted on the pipe inside section 1321, and the reset unit is connected to the pipe outside section 1322 and has a first state in which the shutter 134 closes the flow passage of the blanking chute 12 and a second state in which the shutter 134 follows when it is impacted by the material and rotates the arm lever 132.
The material receiving chute 11 is used for receiving materials, and in one embodiment, as shown in fig. 1, the material receiving chute 11 is of a bell mouth-shaped structure with a large upper part and a small lower part, so that the material receiving chute is convenient to receive the materials, has certain material caching capacity, and can ensure certain material pressure.
In one embodiment, as shown in fig. 1-3, a gate plate box 131 is provided on the blanking chute 12, the arm lever 132 is inserted into the gate plate box 131, the inner cavity of the gate plate box 131 is communicated with the lumen of the blanking chute 12, and a window is correspondingly opened on the tube wall of the blanking chute 12; the provision of the arm lever 132 on the gate box 131 avoids sacrificing the chute flow of the blanking chute 12 while ensuring the chute control function, for example, in the second state, the gate 134 can be accommodated in the gate box 131.
Preferably, in the first state, the shutter 134 can close the chute channel of the blanking chute 12 and also close the path through which the air flow passes along the blanking chute 12. In order to meet the requirement that the flap 134 is able to swing in the blanking chute 12 and that the flap 134 is able to close the flow channel of the blanking chute 12 in the first state, the shape of the flap 134 is adapted to the shape of the inner wall of the corresponding region in the blanking chute 12.
In the above solution with the gate plate box 131, the gate plate box 131 may be a square box, and one box surface of the gate plate box 131 is an open surface and is butted with the blanking chute 12, in one embodiment, the central axis of the blanking chute 12 is located on the open surface; the shutter 134 is a tongue-shaped plate, and includes a square plate and an arc-shaped plate, wherein the width of the square plate is the same as the width of the opening surface (or the width of the shutter box 131), so that the square plate can swing in the shutter box 131; as shown in fig. 3, the position of the tongue-shaped shutter 134 in the first state is shown, and the arc-shaped plate of the tongue-shaped shutter 134 is attached to the inner wall of the blanking chute 12, so that the sealing requirement can be well fulfilled.
In another embodiment, a convex ring platform is arranged on the inner wall of the blanking chute 12, and in the first state, the upper plate surface of the gate 134 is attached to the bottom surface of the ring platform, so that the sealing requirement can be well met, and the situation that the gate 134 is blocked due to the material being stuck in the gap between the gate 134 and the inner wall of the blanking chute 12 can be prevented. In this embodiment, it is also preferable that the shutter box 131 is configured, and the shape of the shutter 134 may be the tongue plate, or may be other shapes, so that the upper plate surface of the shutter 134 can be attached to the ring platform; the circular platform is preferably of a circular platform structure, and the circular platform structure is coaxial with the discharging chute 12 and is wide at the top and narrow at the bottom, so that materials can slide downwards conveniently.
When the ram 134 is impacted by the material to drive the power arm 132 to rotate, the pipe outer rod section 1322 of the power arm 132 can drive the reset unit to correspondingly act, and the reset unit is in a follow-up second state; it can be understood that when the impact force of the material on the gate 134 disappears or weakens, the reset unit can drive the pipe outside rod segment 1322 to gradually reset, and further drive the pipe inside rod segment 1321 and the gate 134 to reset. In one embodiment, the return unit can be a conventional spring return, for example, a return spring having one end connected to the pipe outer rod section 1322 and the other end connected to the outer wall of the discharge chute 12; when the gate 134 is impacted by the material to rotate the arm 132, the outside rod 1322 can drive the return spring to move so that the return spring is stretched or compressed, and when the impact force of the material on the gate 134 disappears or weakens, the spring force of the return spring can drive the outside rod 1322 to gradually return.
In another embodiment, as shown in fig. 1 and 3, the repositioning unit is a weight 133 mounted on the tube segment 1322, and in the second state, the axis of the tube segment 1322 forms an angle with the vertical direction; when the gate 134 is impacted by the material to rotate the arm 132, the weight 133 can swing along with the pipe outer rod 1322, and when the impact force of the material on the gate 134 disappears or weakens, the weight 133 drives the pipe outer rod 1322 to gradually return by its own weight. The arm lever 132 is preferably an L-shaped lever.
Further preferably, as shown in fig. 1, the blanking chute 12 is arranged obliquely, the axis of the blanking chute is at an angle with the vertical direction, the shutter box 131 is located above the blanking chute 12, when the shutter 134 is impacted by the material, the shutter 134 is impacted to swing upwards, and when the impact force of the material on the shutter 134 disappears or weakens, besides the resetting function of the resetting unit, the gravity of the shutter 134 can drive the shutter to reset.
It can be understood that the action of the above-mentioned return spring/counterweight 133 also plays a role in controlling the maximum feeding flow of the feeding chute 12: there is a material impact force threshold, and when the material impact force caused by the material discharge reaches the material impact force threshold, the gate 134 does not swing any more, so that the material can smoothly slide down.
Further preferably, the shutter 134 is a steel plate made of wear-resistant steel or a wear-resistant layer is provided on an upper plate surface of the shutter 134. In addition, the inner wall of the material bearing chute 11 and the inner wall of the blanking chute 12 are both provided with wear-resistant layers.
The automatic material sliding device provided by the embodiment can avoid the overflow of flue gas in a furnace or the entrance of external air under the conditions of no feeding and the like while ensuring the basic function of material sliding, can realize the automatic opening and closing of the flashboard 134, and has the advantages of novel and small structure, and simple and convenient operation and maintenance.
Example two
The embodiment of the utility model provides a smelting furnace, which comprises a furnace body and a furnace cover, wherein a charging opening is formed in the furnace cover, the smelting furnace also comprises an automatic material sliding device provided by the first embodiment, and a feeding chute 12 is connected with the charging opening.
The automatic material sliding device adopts a pure mechanical structure, is stable and reliable in work, can better adapt to the high-temperature working environment of the smelting furnace, and can avoid the problems of short service life, more faults and low reliability when electric elements are used.
Preferably, as shown in fig. 1, a water-cooling chute 21 is installed at the feeding port, and the water-cooling chute 21 is connected with the blanking chute 12; the water-cooling chute 21 can be well adapted to a smelting high-temperature environment, can be fixed on a furnace cover through an installation plate 22, can be adjusted on site in specific position, and the installation plate 22 can be detachably connected with a fixing plate 23 on the furnace cover through a locking pin 24-locking wedge 25 matching structure; wherein, the water-cooling elephant trunk 21 and the blanking elephant trunk 12 preferably adopt a flange connection structure, thereby being convenient for overhaul and maintenance.
In one embodiment, the smelting furnace is an electric furnace.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides an automatic swift current material device, is including holding the material chute and connecting the unloading elephant trunk in holding material chute bottom, its characterized in that: the blanking chute is provided with a material sliding control mechanism, and the material sliding control mechanism comprises a flashboard, a force arm rod and a reset unit;
the force arm rod is rotatably arranged on the blanking chute in a penetrating way and comprises an inner rod section positioned in the blanking chute and an outer rod section positioned outside the blanking chute;
the flashboard is installed on the pipe inner rod section, and the reset unit is connected with the pipe outer rod section and has a first state enabling the flashboard to close a flow channel of the blanking chute and a second state enabling the flashboard to follow up when being impacted by materials and driving the force arm rod to rotate.
2. The automatic material sliding device according to claim 1, characterized in that: the reset unit is a balancing weight arranged on the outer pipe rod section, and an included angle is formed between the axis of the outer pipe rod section and the vertical direction in the second state.
3. The automatic material sliding device according to claim 2, characterized in that: the arm-of-force pole is L type pole.
4. The automatic material sliding device according to claim 1, characterized in that: the reset unit is a reset spring, one end of the reset spring is connected with the outer pipe rod section, and the other end of the reset spring is connected with the outer wall of the blanking chute.
5. The automatic material sliding device according to claim 1, characterized in that: the flashboard is a steel plate made of wear-resistant steel or a wear-resistant layer is arranged on the upper plate surface of the flashboard.
6. The automatic material sliding device according to claim 1, characterized in that: the inner wall of the material bearing chute and the inner wall of the blanking chute are both provided with wear-resistant layers.
7. The utility model provides a smelting furnace, includes furnace body and bell, be equipped with charge door on the bell, its characterized in that: the automatic material sliding device according to any one of claims 1 to 6, wherein the blanking chute is connected with the feeding port.
8. The smelting furnace of claim 7, wherein: the feeding port is provided with a water-cooling chute, and the water-cooling chute is connected with the discharging chute.
9. The smelting furnace of claim 8, wherein: and a flange connecting structure is arranged between the water-cooling slide pipe and the discharging slide pipe.
10. The smelting furnace of claim 8, wherein: the smelting furnace is an electric furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023280103.8U CN215725110U (en) | 2020-12-30 | 2020-12-30 | Automatic material sliding device and smelting furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023280103.8U CN215725110U (en) | 2020-12-30 | 2020-12-30 | Automatic material sliding device and smelting furnace |
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| CN215725110U true CN215725110U (en) | 2022-02-01 |
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| CN202023280103.8U Active CN215725110U (en) | 2020-12-30 | 2020-12-30 | Automatic material sliding device and smelting furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112665395A (en) * | 2020-12-30 | 2021-04-16 | 中冶南方工程技术有限公司 | Automatic material sliding device and smelting furnace |
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- 2020-12-30 CN CN202023280103.8U patent/CN215725110U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112665395A (en) * | 2020-12-30 | 2021-04-16 | 中冶南方工程技术有限公司 | Automatic material sliding device and smelting furnace |
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