CN210718663U - Full-automatic distributing device for large-scale high-power nickel-iron alloy submerged arc furnace - Google Patents
Full-automatic distributing device for large-scale high-power nickel-iron alloy submerged arc furnace Download PDFInfo
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- CN210718663U CN210718663U CN201921202096.4U CN201921202096U CN210718663U CN 210718663 U CN210718663 U CN 210718663U CN 201921202096 U CN201921202096 U CN 201921202096U CN 210718663 U CN210718663 U CN 210718663U
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Abstract
The utility model discloses a full-automatic distributing device for a large-scale high-power ferronickel ore-smelting furnace, which mainly comprises a furnace top bin, an electric vibration feeder, an N-grade material pipe (N > =2, N is a positive integer), a rotary drum and a discharging shovel which are arranged from top to bottom in sequence; a feeding buffer tube is arranged between the furnace top bin and the inlet of the electric vibration feeder, and an air injection device is arranged between the outlet of the electric vibration feeder and the top of the first-stage material tube; an anti-wear elbow is arranged between the two adjacent stages of material pipes; the transition elbow is arranged between the last-stage material pipe and the rotary drum, the material distributor is simple in structure and low in cost, the service life of equipment can be effectively prolonged, and flue gas dust backflow impact on the vibrating feeder and the furnace top bin is avoided.
Description
Technical Field
The utility model relates to a ferronickel is annex field for ore deposit hot stove, especially relates to full-automatic distributing device for large-scale high power ferronickel ore deposit hot stove.
Background
In the working process of the ferronickel ore heating furnace, furnace burden needs to be uniformly put into the ore heating furnace, and the traditional feeding mode is manual feeding or direct feeding by utilizing a plurality of material pipes; the former has high labor intensity and consumes manpower, and workers need to be exposed to a high-temperature environment for operation, so that certain danger exists; the latter utilizes the direct unloading of many material pipes, because the material pipe does not have the cloth function, therefore the furnace charge can pile up, can not even cloth, still needs the manual work to carry out the cloth.
A corresponding material distribution device is developed for charging of the submerged arc furnace in the current market: chinese patent CN 109297307A discloses an automatic distributing device of a semi-closed submerged arc furnace, which is characterized in that the device vibrates through a feeder, furnace burden in a storage bin enters a chute through a material pipe and a throat pipe, a chute rotating mechanism controls the chute to rotate horizontally, a rotary joint is used for supporting the chute to rotate, and a chute tilting mechanism drives the chute to tilt vertically, so that the furnace burden is distributed on different ring surfaces, and uniform distribution is realized; by controlling the rotation angle and the tilting degree, the positioning is accurate, the automatic control is convenient to realize, the automatic material supplement of the semi-closed submerged arc furnace is further realized, the labor force is released, the production labor cost is reduced, the automatic operation of equipment is improved, and the requirement of the economic index of the electric furnace is met; the flue gas sealing mechanism can reduce the flue gas leakage of the submerged arc furnace and improve the operation rate of the submerged arc furnace. However, this patent also has certain drawbacks:
firstly, the method comprises the following steps: because the material distribution is not continuously carried out, when the blanking is stopped, the smoke of the submerged arc furnace and the dust of furnace burden falling can rise along the material pipe, and the rising smoke and dust can impact the vibrating feeder and the furnace top bin;
secondly, the method comprises the following steps: the length of a single material pipe is too long, when furnace burden falls in the material pipe, due to the influence of gravity acceleration and falling height, the falling height is higher and higher, the friction of the furnace burden on the inner wall of the material pipe is higher, the impact on the bottom of the material pipe is higher, and the damage to the material pipe is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure, it is with low costs, can effectively prolong equipment life-span to avoid flue gas dust backward flow to strike vibrating feeder and furnace roof feed bin's full-automatic distributing device for large-scale high power ferronickel ore deposit heat furnace.
In order to realize the purpose of the utility model, the technical proposal of the utility model is that:
the full-automatic distributing device for the large-scale high-power ferronickel alloy ore-smelting furnace mainly comprises a furnace top bin, an electric vibration feeder and an N-grade material pipe which are sequentially arranged from top to bottom, wherein N > =2, N is a positive integer, a rotary drum and a blanking shovel; a feeding buffer tube is arranged between the furnace top bin and the inlet of the electric vibration feeder, and an air injection device is arranged between the outlet of the electric vibration feeder and the top of the first-stage material tube; an anti-wear elbow is arranged between two adjacent stages of material pipes; a transition elbow is arranged between the last stage material pipe and the rotary drum.
Preferably, the feeding buffer tube comprises an inclined section communicated with the bottom of the furnace top bin and a vertical section communicated with the electric vibration feeder.
Preferably, the air injection device comprises a sleeve, an air inlet pipe is arranged on the side wall of the sleeve, a jet orifice is further arranged between the sleeve and the air inlet pipe, the jet orifice is conical, and the width of the position where the jet orifice is communicated with the sleeve is at least 1/4 of the circumference of the sleeve.
Preferably, the anti-wear elbow is arranged obliquely downwards, the upper end of the anti-wear elbow is communicated with the lower part of the side wall of the N-1 th-level material pipe, and the lower end of the anti-wear elbow is communicated with the upper part of the side wall of the N-level material pipe.
Preferably, a turning section is further arranged between the wear-resistant elbow and the upper part of the side wall of the Nth-grade material pipe.
Preferably, a first hydraulic cylinder is fixed on one side of the outer periphery of the rotary drum, a pull rod is arranged at the lower end of the first hydraulic cylinder, and the other end of the pull rod is rotatably connected with a blanking shovel.
Preferably, the upper end of the rotating drum is further provided with a rotating lug, and the other end of the rotating lug is provided with a second hydraulic cylinder.
The utility model has the advantages that:
firstly, the method comprises the following steps: the N-grade material pipe is arranged, and the wear-resistant elbow is arranged between the material pipes, so that the over-high falling speed of furnace burden can be effectively relieved, excessive friction of the furnace burden on the inner wall of the material pipe and impact on the bottom of the material pipe are avoided, and the service life of the material pipe is effectively prolonged;
secondly, the method comprises the following steps: an air injection device is arranged, and an air curtain is formed by using a jet orifice, so that rising smoke and dust can be effectively prevented from impacting the vibrating feeder and the furnace top bin;
thirdly, the method comprises the following steps: a feeding buffer tube is arranged between the furnace top bin and the electric vibration feeder, so that the impact on the electric vibration feeder when furnace burden falls can be relieved, and the service life of the electric vibration feeder is prolonged;
fourthly: the whole distributing device has simple structure and low cost, and the service life of the equipment is effectively prolonged by arranging the feeding buffer tube, the wear-resistant elbow and the transition elbow; the backflow of smoke and dust is effectively avoided through the air injection device; automatic and uniform distribution is realized through the first hydraulic cylinder and the second hydraulic cylinder.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic structural view of an air injection device.
Fig. 4 is a schematic structural view of the rotary lug and the second hydraulic cylinder.
In the figure: 1 is a furnace top bin, 2 is an electric vibration feeder, 3 is a material pipe, 3.1 is a first-stage material pipe, 3.2 is a second-stage material pipe, 4 is a rotary drum, 5 is a blanking shovel, 6 is a feeding buffer pipe, 6.1 is an inclined section, 6.2 is a vertical section, 7 is an air injection device, 7.1 is a sleeve, 7.2 is an air inlet pipe, 7.3 is a jet orifice, 8 is an anti-wear elbow, 8.1 is a turning section, 9 is a transition elbow, 10 is a first hydraulic cylinder, 11 is a pull rod, 12 is a rotary lug, 13 is a second hydraulic cylinder, 14 is a cold water sleeve, 15 is a cold source inlet and outlet, and 16 is a fixed support.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
The full-automatic distributing device for the large-scale high-power ferronickel alloy submerged arc furnace mainly comprises a furnace top bin 1, an electric vibration feeder 2 and N-grade material pipes 3 which are sequentially arranged from top to bottom, wherein N > =2, N is a positive integer, the material pipes 3 in the embodiment are two-grade, namely a first-grade material pipe 3.1 and a second-grade material pipe 3.2, a rotary drum 4 and a blanking shovel 5; a feeding buffer tube 6 is arranged between the furnace top bin 1 and the inlet of the electric vibration feeder 2, and an air injection device 7 is arranged between the outlet of the electric vibration feeder 2 and the top of the first-stage material tube 3.1; an anti-wear elbow 8 is arranged between the first-stage material pipe 3.1 and the second-stage material pipe 3.2; a transition elbow 9 is arranged between the second-stage material pipe 3.2 and the rotary drum 4.
Preferably, the feeding buffer tube 6 comprises an inclined section 6.1 communicated with the bottom of the furnace top bin 1 and a vertical section 6.2 communicated with the electric vibration feeder 2.
Preferably, the air injection device 7 comprises a sleeve 7.1, an air inlet pipe 7.2 is arranged on the side wall of the sleeve 7.1, an injection port 7.3 is further arranged between the sleeve 7.1 and the air inlet pipe 7.2, the injection port 7.3 is conical, and the width of the part where the injection port 7.3 is communicated with the sleeve 7.1 is at least 1/4 of the circumference of the sleeve 7.1; the connection mode between the sleeve 7.1 and the outlet of the material pipe 3 and the electric vibration feeder 2 can be flange connection or threaded connection, as long as sealing is ensured, the other end of the air inlet pipe 7.2 can be connected with a fan (not shown in the figure), and the fan can be fixed on one side of the sleeve 7.1, which is the prior art.
Preferably, the wear-resistant elbow 8 is arranged obliquely downwards, the upper end of the wear-resistant elbow 8 is communicated with the lower part of the side wall of the first-stage material pipe 3.1, and the lower end of the wear-resistant elbow 8 is communicated with the upper part of the side wall of the second-stage material pipe 3.2.
Preferably, a turning section 8.1 is further arranged between the wear-resistant elbow 8 and the upper part of the side wall of the second-stage material pipe 3.2.
Preferably, a first hydraulic cylinder 10 is fixed on one side of the outer peripheral ring of the rotating drum 4, a pull rod 11 is arranged at the lower end of the first hydraulic cylinder 10, and the other end of the pull rod 11 is rotatably connected with the blanking shovel 5.
Preferably, a rotary lug 12 (refer to fig. 4) is further disposed at the upper end of the rotary drum 4, a second hydraulic cylinder 13 is disposed at the other end of the rotary lug 12, and the second hydraulic cylinder 13 can be fixed on a fixed bracket 16, which is a prior art.
The outer periphery of the rotating drum 4 is further provided with a cold water jacket 14, the side wall of the cold water jacket 14 is provided with a cold source inlet and outlet 15, the rotating drum 4 and the blanking shovel 5 are cooled, and meanwhile the head of the blanking shovel 5 can be made of heat-resistant cast steel.
The working principle of the device is as follows: when furnace charge is required to be added, the control system controls the electric vibration feeder 2 to feed, the furnace charge falls down to the blanking shovel 5 along the material pipe 3, the first hydraulic cylinder 10 and the second hydraulic cylinder 13 of the control system control the blanking shovel 5 to perform uniform blanking, the control system can be a PLC control system, and the first hydraulic cylinder 10 and the second hydraulic cylinder 13 are controlled through the control system, so that the prior art is provided.
The embodiments described above are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Claims (7)
1. Full-automatic distributing device for large-scale high power ferronickel ore deposit hot furnace, its characterized in that: the device mainly comprises a furnace top bin, an electric vibration feeder and an N-grade material pipe which are sequentially arranged from top to bottom, wherein N > =2, N is a positive integer, a rotary drum and a blanking shovel; a feeding buffer tube is arranged between the furnace top bin and the inlet of the electric vibration feeder, and an air injection device is arranged between the outlet of the electric vibration feeder and the top of the first-stage material tube; an anti-wear elbow is arranged between two adjacent stages of material pipes; a transition elbow is arranged between the last stage material pipe and the rotary drum.
2. The full-automatic distributor for large-scale high-power ferronickel ore-smelting furnace of claim 1, characterized in that: the feeding buffer tube comprises an inclined section communicated with the bottom of the furnace top bin and a vertical section communicated with the electric vibration feeder.
3. The full-automatic distributor for large-scale high-power ferronickel ore-smelting furnace of claim 1, characterized in that: the air injection device comprises a sleeve, an air inlet pipe is arranged on the side wall of the sleeve, a jet orifice is further arranged between the sleeve and the air inlet pipe, the jet orifice is conical, and the width of the communication position of the jet orifice and the sleeve is at least 1/4 of the circumference of the sleeve.
4. The full-automatic distributor for large-scale high-power ferronickel ore-smelting furnace of claim 1, characterized in that: the anti-wear elbow is obliquely arranged downwards, the upper end of the anti-wear elbow is communicated with the lower part of the side wall of the N-1 level material pipe, and the lower end of the anti-wear elbow is communicated with the upper part of the side wall of the N-level material pipe.
5. The full-automatic distributor for large-scale high power ferronickel alloy ore-smelting furnace of claim 4, characterized in that: and a turning section is also arranged between the anti-wear elbow and the upper part of the side wall of the Nth-level material pipe.
6. The full-automatic distributor for large-scale high-power ferronickel ore-smelting furnace of claim 1, characterized in that: a first hydraulic cylinder is fixed on one side of the outer periphery of the rotary drum, a pull rod is arranged at the lower end of the first hydraulic cylinder, and the other end of the pull rod is rotatably connected with a blanking shovel.
7. The full-automatic distributor for large-scale high-power ferronickel ore-smelting furnace of claim 1, characterized in that: the upper end of the rotary drum is also provided with a rotary lug, and the other end of the rotary lug is provided with a second hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921202096.4U CN210718663U (en) | 2019-07-29 | 2019-07-29 | Full-automatic distributing device for large-scale high-power nickel-iron alloy submerged arc furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921202096.4U CN210718663U (en) | 2019-07-29 | 2019-07-29 | Full-automatic distributing device for large-scale high-power nickel-iron alloy submerged arc furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210718663U true CN210718663U (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921202096.4U Active CN210718663U (en) | 2019-07-29 | 2019-07-29 | Full-automatic distributing device for large-scale high-power nickel-iron alloy submerged arc furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210718663U (en) |
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2019
- 2019-07-29 CN CN201921202096.4U patent/CN210718663U/en active Active
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