CN213537983U - Electric furnace set for producing steel by bearing seat - Google Patents

Abstract

The utility model discloses a bearing frame production steelmaking electric stove group, at least, including furnace body, the bell, heating rod and feeding mechanism, be provided with feed inlet and gas vent on the furnace body, feeding mechanism includes the conveyer belt at least, the cover body, exhaust duct, the air exhauster, first striker plate and second striker plate, the one end feed inlet intercommunication of conveyer belt, the cover body is connected to conveyer belt and feed inlet simultaneously in order to form accommodation space, first striker plate and second striker plate articulate respectively to two tip of the cover body, exhaust duct's first end is connected to the gas vent, exhaust duct's second end is connected to accommodation space through the air exhauster, wherein, be provided with on the cover body under the condition of the hole of airing exhaust, the hole of airing exhaust is less than with the distance of furnace body the second end is less than with. In the prior art, the waste gas generated in the heating process contains a large amount of heat, and the waste gas is not fully utilized, so that the energy consumption is high. The application aims at providing a bearing seat production steelmaking electric furnace set with high waste heat utilization rate.

Description

Electric furnace set for producing steel by bearing seat

Technical Field

The utility model relates to a firing equipment technical field especially relates to a bearing frame production steelmaking electric stove group.

Background

The bearing seat and the bearing are matched with necessary parts for use, and the bearing seat is used for supporting the bearing and damping vibration generated in the rotating process of the bearing. The bearing housing may be prepared by casting. The first step of casting is to melt materials such as scrap iron, steel, etc. to obtain molten metal for casting. In the prior art, materials are heated and melted through a steel-making furnace. The exhaust gas produced in the heating process contains a large amount of heat, which is not fully utilized, resulting in high energy consumption. The application aims to provide the bearing seat production steelmaking electric furnace set capable of overcoming the defects.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a bearing seat production steelmaking electric furnace set.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a bearing frame production steelmaking electric stove group, includes furnace body, bell, heating rod and feeding mechanism at least, be provided with feed inlet and gas vent on the furnace body, feeding mechanism includes conveyer belt, the cover body, exhaust duct, air exhauster, first striker plate and second striker plate at least, the one end of conveyer belt the feed inlet intercommunication, the cover body simultaneously be connected to the conveyer belt with the feed inlet is in order to form accommodation space, first striker plate with second striker plate articulates respectively to two tip of the cover body, and exhaust duct's first end is connected to the gas vent, exhaust duct's second end warp the air exhauster is connected to accommodation space, wherein, be provided with on the cover body under the condition of the hole of airing exhaust, the distance of the hole of airing exhaust and furnace body is less than the distance of second end and furnace body.

Preferably, the accommodating space is divided into a first space and a second space by a partition plate, the exhaust pipeline is communicated with the second space under the condition that the distance between the first space and the furnace body is smaller than the distance between the second space and the furnace body, and the first space is internally provided with an electromagnetic coil.

Preferably, the two ends of the cover body are provided with rotating shafts, the first material baffle plate and the second material baffle plate are connected to the corresponding rotating shafts, limit blocks are arranged on the rotating shafts, the cover body is provided with corresponding limit blocks, and the limit blocks can be abutted and contacted with the limit blocks when the rotating shafts rotate.

Preferably, the exhaust pipeline is in a vertically fluctuating curved shape, and a storage bin is arranged at the lowest point of the exhaust pipeline.

Preferably, the bearing seat production steelmaking electric furnace unit further comprises a heat exchanger, and the heat exchanger is communicated with the air exhaust hole.

Preferably, a filter sheet is arranged in the heat exchanger.

The utility model has the advantages of it is following:

(1) the hot air flow discharged through the exhaust pipeline can be firstly contacted with the metal on the rightmost side of the conveying belt and then flows along the direction from right to left, so that the contact time of the hot air flow and the metal is prolonged, and the waste heat utilization rate of the hot air flow can be effectively improved.

(2) Can preheat the metal in advance, the in-process of preheating can burn off combustible waste residue in advance, and then can avoid the waste residue to get into in order to cause the influence to the ironmaking quality in the furnace body.

(3) The first material baffle and the second material baffle can push redundant metal on the conveying belt to the right, so that the quality of the metal entering the furnace body in unit time is approximately the same, and the temperature fluctuation range in the furnace body can be further reduced.

Drawings

FIG. 1 is a schematic structural view of an electric furnace set for producing steel making with a preferred bearing seat according to the present invention;

fig. 2 is a schematic view of a setting mode of the first striker plate or the second striker plate of the present invention.

In the figure, 1-furnace body, 2-furnace cover, 3-heating rod, 4-feeding mechanism, 5-feeding hole, 4 a-conveying belt, 4 b-cover body, 4 c-exhaust pipeline, 4 d-exhaust fan, 4 e-first baffle plate, 4 f-second baffle plate, 6-exhaust port, 7-containing space, 7 a-first space, 7 b-second space, 8-exhaust hole, 9-partition plate, 10-electromagnetic coil, 11-rotating shaft, 12-limiting block, 13-limiting block, 14-storage bin, 15-heat exchanger and 16-filter plate.

Detailed Description

The invention will be further described with reference to the accompanying drawings, without limiting the scope of the invention to the following:

as shown in fig. 1 and 2, the application provides an electric furnace set for producing steel making by using a bearing block, which at least comprises a furnace body 1, a furnace cover 2, a heating rod 3 and a feeding mechanism 4. The feeding mechanism 4 is used for feeding the metal to be melted into the furnace body 1. The heating rod 3 is used for heating the inside of the furnace body 1 so that the metal therein can be melted. The furnace lid 2 is used for sealing the upper end of the furnace body 1.

Preferably, the furnace body 1 is provided with a feed inlet 5 and an exhaust outlet 6. The outside metal can enter the furnace body 1 through the feed inlet 5. Exhaust gases generated in the furnace 1 can be discharged from the furnace through the exhaust port 6. The feeding mechanism 4 at least comprises a conveying belt 4a, a cover body 4b, an exhaust pipeline 4c, an exhaust fan 4d, a first material baffle 4e and a second material baffle 4 f. One end of the conveyor belt 4a communicates with the feed port 5. For example, as shown in fig. 1, the left end of the conveyor belt 4a communicates with the feed port 5. The cover 4b is connected to both the conveyor belt 4a and the feed opening 5 to form a receiving space 7. The first striker plate 4e and the second striker plate 4f are respectively hinged to both end portions of the cover 4 b. A first end of the exhaust duct 4c is connected to the exhaust port 6. A second end of the exhaust duct 4c is connected to the accommodating space 7 via an exhaust fan 4 d. Under the condition that the cover body 4b is provided with the exhaust hole 8, the distance between the exhaust hole 8 and the furnace body 1 is smaller than the distance between the second end and the furnace body 1. The first end of the exhaust duct 4c may be a left end portion thereof, and the second end may be a right end portion thereof. In the above-described operation, the conveyor belt 4a conveys the metal in the right-left direction. At this time, the hot air flow exhausted through the exhaust duct 4c can firstly contact with the rightmost metal of the conveyer belt 4a, and then flows along the direction from right to left, so that the contact time of the hot air flow and the metal is prolonged, and the waste heat utilization rate of the hot air flow can be effectively improved.

Preferably, the accommodation space 7 is partitioned into a first space 7a and a second space 7b via a partition plate 9. When the first space 7a is located at a distance from the furnace body 1 smaller than the second space 7b is located at a distance from the furnace body 1, the exhaust duct 4c communicates with the second space 7b, and the electromagnetic coil 10 is provided in the first space 7 a. The electromagnetic coil 10 is arranged in a manner similar to that of a prior art intermediate frequency furnace, and when the metal on the conveyor belt 4a enters the electromagnetic coil 10 and slides in a direction from right to left, the electromagnetic coil 10 can form electromagnetic induction so that the metal is preheated. Through the mode, the metal can be preheated in advance, the combustible waste residues can be burnt out in advance in the preheating process, and then the waste residues can be prevented from entering the furnace body 1 to influence the iron making quality.

Preferably, the cover 4b is provided with a rotation shaft 11 at both ends thereof. The first striker plate 4e and the second striker plate 4f are both connected to their corresponding rotating shafts 11. The rotating shaft 11 is provided with a limiting block 12, and the cover body 4b is provided with a corresponding stop block 13. The stopper 12 can be in abutting contact with the stopper 13 when the rotation shaft 11 rotates. For example, when the conveyer belt 4a rotates anticlockwise, the metal such as iron filings on the conveyer belt 4a can contact with the first striker plate 4e and the second striker plate 4f, so that the first striker plate 4e and the second striker plate 4f can rotate clockwise by a certain angle, and in the above manner, the first striker plate 4e and the second striker plate 4f can push the redundant metal on the conveyer belt 4a to the right, so that the quality of the metal entering the furnace body 1 in unit time is approximately the same, and the temperature fluctuation range in the furnace body 1 can be reduced.

Preferably, the exhaust duct 4c has a curved shape which undulates up and down, and a storage bin 14 is provided at the lowest point of the exhaust duct 4 c. The exhaust gas from the furnace 1 contains a certain amount of dust which settles while flowing in the exhaust duct 4c and is collected by the storage silo 14. Further, the influence of the dust entering the accommodating space 7 on the metal in the preheated state can be avoided.

Preferably, the bearing seat production steelmaking electric furnace set also comprises a heat exchanger 15, and the heat exchanger 15 is communicated with the exhaust hole 8. The working principle of the heat exchanger 15 is as follows: inside which two pipes are arranged in contact with each other for heat exchange. First pipeline meets exhaust duct 4c for waste gas gets into first pipeline, leads to cold water in the second pipeline, and then through the heat exchange, can make cold water be warmed, thereby can carry out make full use of to the waste heat of waste gas. A filter 16 is provided in the heat exchanger 15. The filter 16 may be disposed in the first pipeline, so as to further filter dust in the exhaust gas, and the exhaust gas filtered by the filter 16 may be directly discharged into the atmosphere.

The working principle of this application does: in use, metal to be heated is first continuously placed on the conveyor belt 4a from the opening at the rightmost end of the cover 4 b. The conveyor belt 4a moves the metal from right to left to feed into the furnace body 1. Exhaust gas generated in the furnace body 1 enters the second space 7b through the exhaust duct 4c so that the metal can be preheated. After entering the first space 7a, the metal is electromagnetically induction heated by the electromagnetic coil 10, and is further preheated to reach a higher temperature. The first material baffle plate 4e and the second material baffle plate 4f can push the redundant metal on the conveyer belt 4a to the right, so that the metal amount entering the furnace body 1 in unit time is the same.

The exhaust gas generated in the furnace body 1 is settled during the flow in the exhaust duct 4c, so that the dust therein falls into the storage bin 14. The waste gas enters the heat exchanger 15 through the exhaust hole 8 for heat exchange, and further the waste heat is utilized. Meanwhile, when the waste water is filtered by the filter sheet 16 and then discharged, the pollution degree of the waste water to the environment can be reduced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a bearing frame production steelmaking electric stove group, includes furnace body (1), bell (2), heating rod (3) and feeding mechanism (4) at least, its characterized in that: the furnace body (1) is provided with a feed inlet (5) and an exhaust port (6), the feeding mechanism (4) at least comprises a conveying belt (4a), a cover body (4b), an exhaust pipeline (4c), an exhaust fan (4d), a first material baffle (4e) and a second material baffle (4f), one end of the conveying belt (4a) is communicated with the feed inlet (5), the cover body (4b) is simultaneously connected to the conveying belt (4a) and the feed inlet (5) to form a containing space (7), the first material baffle (4e) and the second material baffle (4f) are respectively hinged to two end parts of the cover body (4b), the first end of the exhaust pipeline (4c) is connected to the exhaust port (6), the second end of the exhaust pipeline (4c) is connected to the containing space (7) through the exhaust fan (4d), wherein under the condition that the exhaust hole (8) is arranged on the cover body (4b), the distance between the exhaust hole (8) and the furnace body (1) is less than the distance between the second end and the furnace body (1).

2. The steelmaking electric furnace set for producing bearing blocks as claimed in claim 1, wherein: the containing space (7) is divided into a first space (7a) and a second space (7b) through a partition plate (9), the exhaust pipeline (4c) is communicated with the second space (7b) under the condition that the distance between the first space (7a) and the furnace body (1) is smaller than the distance between the second space (7b) and the furnace body (1), and an electromagnetic coil (10) is arranged in the first space (7 a).

3. The steelmaking electric furnace set for producing bearing blocks as claimed in claim 1, wherein: be provided with rotation axis (11) on two tip of the cover body (4b), first striker plate (4e) and second striker plate (4f) all are connected to its rotation axis (11) that correspond, wherein, be provided with stopper (12) on rotation axis (11), the cover body (4b) is provided with corresponding dog (13) rotation axis (11) when rotatory, stopper (12) can with dog (13) support and lean on the contact.

4. The steelmaking electric furnace set for producing bearing blocks as claimed in claim 1, wherein: the exhaust pipeline (4c) is in a curved shape fluctuating up and down, and a storage bin (14) is arranged at the lowest point of the exhaust pipeline (4 c).

5. The steelmaking electric furnace set for producing bearing blocks as claimed in claim 1, wherein: the bearing seat production steelmaking electric furnace unit also comprises a heat exchanger (15), and the heat exchanger (15) is communicated with the air exhaust hole (8).

6. The steelmaking electric furnace set for producing bearing blocks as claimed in claim 5, wherein: the heat exchanger (15) is provided with a filter (16).

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