Submerged arc furnace with multiple furnace outlets based on novel furnace body rotation

Abstract

The utility model discloses a submerged arc furnace with a plurality of furnace outlets based on novel furnace body rotation, belongs to the field of submerged arc furnaces, and particularly relates to the submerged arc furnace with the plurality of furnace outlets based on novel furnace body rotation, which comprises a furnace body and the furnace outlets, and further comprises a rotary supporting mechanism and a rotary driving mechanism, the multiple furnace outlets are formed in the furnace body at equal intervals in the circumferential direction. The rotary supporting mechanism is used for supporting the furnace body and is matched with the rotary driving mechanism to drive the furnace body to freely rotate in a horizontal plane; according to the submerged arc furnace with the multiple furnace outlets, the furnace body is supported by the rotary supporting mechanism, the furnace body is driven by the rotary driving mechanism to freely rotate in the horizontal plane, formation of a dead material area is reduced, the area of the crucible is enlarged, and therefore the purposes of increasing production and efficiency are achieved; and a plurality of furnace outlets are uniformly distributed around the furnace body and are used in turn, so that the burning loss and oxidation degree is reduced, the production period is prolonged, and the loss caused by forced stop of production is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of ore-fired furnaces, and in particular relates to an ore-fired furnace with multiple furnace outlets based on a novel furnace body rotation. Background Art

[0002] Submerged arc furnace is also called arc furnace or resistance furnace. It is mainly used for reducing and smelting raw materials such as ore, carbonaceous reducing agent and solvent, mainly producing ferrosilicon, ferromanganese, ferrochrome, ferrotungsten, silicon-manganese alloy and other ferroalloys, which are important industrial raw materials in the metallurgical industry and chemical raw materials such as calcium carbide. The transformer of submerged arc furnace has continuous and stable load, low impedance voltage, more voltage regulation levels, small level difference and strong overload capacity. It can be divided into two types of voltage regulation: on-load and off-excitation. Generally, the first few levels have constant capacity output, and the last few levels have constant current output.

[0003] The Chinese utility model patent application number is CN202321321777.9, which discloses a "submerged arc furnace with smoke dust purification function", including a furnace body, a smoke exhaust pipe fixedly connected to one side wall of the furnace body, two filter screens fixedly connected to the inner wall of the smoke exhaust pipe, and two discharge pipes fixedly connected to the pipe wall of the smoke exhaust pipe located below the two filter screens, the lower ends of the two discharge pipes both penetrate the lower end pipe wall of the smoke exhaust pipe and extend downward, and the lower end pipe openings of the two discharge pipes are both provided with threads and are both threadedly connected to a threaded sleeve, an ash receiving box is provided at the position below the two threaded sleeves, an ash receiving cavity is provided inside the two ash receiving boxes, and a through hole is provided at the upper ends of the two ash receiving cavities to purify the exhaust smoke and collect the dust left by the filtration, and the collection equipment can be replaced after the collection is completed, so as to maintain a long-term filtering and purification effect.

[0004] Although the above-mentioned prior art solves the problem of flue gas purification, the induction furnace has a fixed furnace body during actual use. After a long production cycle, a dead material zone will be formed, the crucible will shrink and affect the output, and the fixed outlet will be burned, oxidized and leaked silicon water, which will force the production to stop, reducing production efficiency.

[0005] In order to solve the above problems, the present application proposes a multi-outlet ore-fired furnace based on a novel furnace body rotation. Summary of the invention

[0006] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0007] To solve the above problems, the utility model adopts the following technical solutions.

[0008] A multi-outlet ore-fired furnace based on a novel furnace body rotation, comprising a furnace body and an outlet, and also comprising a rotation support mechanism and a rotation drive mechanism;

[0009] A plurality of furnace outlets are arranged on the furnace body at equal intervals along the circumferential direction;

[0010] The rotary support mechanism is used to support the furnace body and cooperate with the rotary drive mechanism to drive the furnace body to rotate freely in a horizontal plane.

[0011] As a preferred technical solution of the utility model, the rotating support mechanism includes a cast base, a radial beam, an upper annular guide rail, a roller guide frame, a lower annular guide rail, a central rotating bracket and a pre-buried air inlet duct, the central rotating bracket is fixed on the base, the lower annular guide rail is fixed on the base and surrounds the central rotating bracket, the roller guide frame is rotatably set on the central rotating bracket and slidably cooperates with the lower annular guide rail, the upper annular guide rail is rotatably set on the central rotating bracket and slidably cooperates with the roller guide frame, the radial beam is fixed on the upper annular guide rail for supporting the furnace body, and the pre-buried air inlet duct is set in the base for communicating with the furnace body.

[0012] As a preferred technical solution of the utility model, a sliding block is fixed on the bottom surface of the web beam, and two nested sliding rings are fixed on the upper annular guide rail for limiting the position of the sliding block.

[0013] As a preferred technical solution of the utility model, an insulating plate is fixed on the contact surface between the upper annular guide rail and the sliding block.

[0014] As a preferred technical solution of the utility model, an insulating ring is fixed on the contact surface between the slip ring and the slider.

[0015] As a preferred technical solution of the utility model, the rotary drive mechanism includes a reduction motor, a driving gear, a transmission shaft, a large gear, a small gear, a transmission bracket and an outer gear ring. The transmission shaft is rotatably arranged on the base by the transmission bracket, the small gear and the large gear are respectively fixed to the top and bottom ends of the transmission shaft, the outer gear ring is fixed to the upper annular guide rail and meshes with the small gear, and the driving gear is fixed to the output shaft of the reduction motor and meshes with the large gear.

[0016] As a preferred technical solution of the utility model, a protective cover No. 1 is fixed on the transmission bracket to surround the driving gear.

[0017] As a preferred technical solution of the utility model, a second protective cover is fixed on the transmission bracket to surround the large gear.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] In the utility model, the furnace body is supported by a rotating support mechanism, and the furnace body is driven to rotate freely in a horizontal plane by a rotating drive mechanism, thereby reducing the formation of a dead material zone and expanding the area of ​​the crucible, thereby achieving the purpose of increasing production and efficiency;

[0020] In the utility model, a plurality of furnace outlets are evenly distributed around the furnace body, and the furnace outlets are used in turn to reduce the degree of burning and oxidation, thereby extending the production cycle and reducing the loss caused by forced production stoppage. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the top view of the furnace body in the utility model;

[0023] Figure 3 This is a front structural diagram of the rotary support mechanism in the utility model;

[0024] Figure 4 For this utility model Figure 3 A is an enlarged structural diagram;

[0025] Figure 5 It is a front structural schematic diagram of the rotary drive mechanism in the utility model.

[0026] The corresponding relationship between the illustrations and component names in the figure is as follows:

[0027] 1. Furnace body; 101. Furnace outlet; 2. Rotating support mechanism; 201. Base; 202. Width beam; 2021. Sliding block; 203. Upper annular guide rail; 2031. Slip ring; 2032. Insulating plate; 2033. Insulating ring; 2034. Outer gear ring; 204. Roller guide frame; 205. Lower annular guide rail; 206. Central rotating bracket; 207. Embedded air inlet pipe; 3. Rotating drive mechanism; 301. Speed ​​reduction motor; 3011. Driving gear; 302. Transmission shaft; 3021. Large gear; 3022. Small gear; 303. Transmission bracket; 304. No. 1 protective cover; 305. No. 2 protective cover. Implementation

[0028] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0029] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0030] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.

[0031] A multi-outlet ore-fired furnace based on a novel furnace body rotation, comprising a furnace body 1 and an outlet 101, and also comprising a rotation support mechanism 2 and a rotation drive mechanism 3;

[0032] By the attached Figure 1 and attached Figure 2 As shown, in this embodiment, a plurality of furnace outlets 101 are arranged on the furnace body 1 at equal intervals along the circumferential direction. In this embodiment, there are five furnace outlets 101, and the five furnace outlets 101 are arranged on the furnace body 1 at equal intervals along the circumferential direction. Using them in turn reduces the degree of burning and oxidation, improves the extension of the production cycle, and reduces the loss caused by forced production suspension;

[0033] By the attached Figure 1 , Attachment Figure 3 and attached Figure 5 As shown, in this embodiment, the rotating support mechanism 2 is used to support the furnace body 1 and cooperate with the rotating drive mechanism 3 to drive the furnace body 1 to rotate freely in the horizontal plane. During the working process, the rotating drive mechanism 3 is used to drive the furnace body 1 to rotate freely in the horizontal plane, thereby reducing the formation of dead material areas and expanding the area of ​​the crucible, thereby achieving the purpose of increasing production and efficiency.

[0034] By the attached Figure 1 and attached Figure 3As shown, as an optional embodiment, in this embodiment, the rotating support mechanism 2 includes a cast base 201, a beam 202, an upper annular guide rail 203, a roller guide frame 204, a lower annular guide rail 205, a central rotating bracket 206 and a pre-buried air inlet pipe 207, the central rotating bracket 206 is fixed on the base 201, the lower annular guide rail 205 is fixed on the base 201 and surrounds the central rotating bracket 206, the roller guide frame 204 is rotatably set on the central rotating bracket 206 and is connected to the lower annular guide rail 205. The guide rail 205 is slidably matched, the upper annular guide rail 203 is rotatably set on the central rotating bracket 206 and slidably matched with the roller guide frame 204, the width beam 202 is fixed on the upper annular guide rail 203 to support the furnace body 1, the embedded air inlet pipe 207 is set in the base 201 to communicate with the furnace body 1, the upper annular guide rail 203 is supported by the roller guide frame 204 and the lower annular guide rail 205, and rotates freely in the horizontal plane with the central rotating bracket 206 as the axis, and the furnace body 1 is supported by the width beam 202.

[0035] By the attached Figure 1 , Attachment Figure 3 and attached Figure 4 As shown, as an optional embodiment, in this embodiment, a slider 2021 is fixed on the bottom surface of the width beam 202, and two nested slip rings 2031 are fixed on the upper annular guide rail 203 to limit the slider 2021, thereby improving the stability of the cooperation between the width beam 202 and the upper annular guide rail 203.

[0036] By the attached Figure 1 , Attachment Figure 3 and attached Figure 4 As shown, as an optional embodiment, in this embodiment, an insulating plate 2032 is fixed on the contact surface between the upper annular guide rail 203 and the slider 2021 to avoid static electricity generated by friction affecting production and improve performance.

[0037] By the attached Figure 1 , Attachment Figure 3 and attached Figure 4 As shown, as an optional embodiment, in this embodiment, an insulating ring 2033 is fixed on the contact surface between the slip ring 2031 and the slider 2021 to avoid static electricity generated by friction affecting production and improve performance.

[0038] By the attached Figure 1 , Attachment Figure 3 and attached Figure 5As shown, as an optional embodiment, in this embodiment, the rotation drive mechanism 3 includes a reduction motor 301, a driving gear 3011, a transmission shaft 302, a large gear 3021, a small gear 3022, a transmission bracket 303 and an outer gear ring 2034. The transmission shaft 302 is rotatably arranged on the base 201 by the transmission bracket 303, the small gear 3022 and the large gear 3021 are respectively fixed to the top and bottom ends of the transmission shaft 302, and the outer gear ring 2034 is fixed to the upper annular guide rail 20 3 and meshes with the small gear 3022. The driving gear 3011 is fixed on the output shaft of the reduction motor 301 and meshes with the large gear 3021. The reduction motor 301 is started, and the reduction motor 301 drives the driving gear 3011 to rotate. The driving gear 3011 drives the transmission shaft 302 to rotate through the large gear 3021. The transmission shaft 302 drives the small gear 3022 to rotate. The small gear 3022 drives the outer gear ring 2034 to rotate through the meshing relationship, and the upper annular guide rail 203 rotates.

[0039] By the attached Figure 1 , Attachment Figure 3 and attached Figure 5 As shown, as an optional embodiment, in this embodiment, a protective cover 304 is fixed on the transmission bracket 303 to surround the driving gear 3011 and protect the driving gear 3011.

[0040] By the attached Figure 1 , Attachment Figure 3 and attached Figure 5 As shown, as an optional embodiment, in this embodiment, a second protective cover 305 is fixed on the transmission bracket 303 to surround the large gear 3021 and protect the large gear 3021.

[0041] The working principle of the utility model is as follows: when the staff uses it, the reduction motor 301 is started, the reduction motor 301 drives the driving gear 3011 to rotate, the driving gear 3011 drives the transmission shaft 302 to rotate through the large gear 3021, the transmission shaft 302 drives the small gear 3022 to rotate, the small gear 3022 drives the outer gear ring 2034 to rotate through the meshing relationship, and the upper annular guide rail 203 rotates, thereby driving the furnace body 1 to rotate freely in the horizontal plane, reducing the formation of the dead material area and expanding the area of ​​the crucible, so as to achieve the purpose of increasing production and efficiency;

[0042] The five furnace outlets 101 are arranged on the furnace body 1 at equal intervals along the circumferential direction, and are used in turn to reduce the degree of burning and oxidation, thereby extending the production cycle and reducing the loss caused by forced production suspension.

[0043] It should be noted that the reduction motor 301 is a conventional device purchased on the market with a built-in power switch. Technicians in this field can make a routine selection according to usage requirements. Its working principle is common knowledge known to technicians in this field and has been fully disclosed in the prior art, so it will not be elaborated in this article.

[0044] The above content is a further detailed description of the utility model in combination with specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make several simple deductions or substitutions, which should be regarded as belonging to the scope of protection determined by the claims submitted for the utility model.

Claims

1. A multi-outlet ore-fired furnace based on a novel furnace body rotation, comprising a furnace body (1) and an outlet (101), characterized in that: It also includes a rotation support mechanism (2) and a rotation drive mechanism (3); The plurality of furnace outlets (101) are arranged on the furnace body (1) at equal intervals along a circumferential direction; The rotary support mechanism (2) is used to support the furnace body (1) and cooperate with the rotary drive mechanism (3) to drive the furnace body (1) to rotate freely in a horizontal plane.

2. According to claim 1, a multi-outlet ore-fired furnace based on a new type of furnace body rotation is characterized in that: The rotating support mechanism (2) comprises a cast base (201), a beam (202), an upper annular guide rail (203), a roller guide frame (204), a lower annular guide rail (205), a central rotating bracket (206) and a pre-buried air inlet pipe (207); the central rotating bracket (206) is fixed on the base (201); the lower annular guide rail (205) is fixed on the base (201) and surrounds the central rotating bracket (206); the roller guide frame (204) is rotatably arranged on the central rotating bracket (206) and is slidably matched with the lower annular guide rail (205), the upper annular guide rail (203) is rotatably arranged on the central rotating bracket (206) and is slidably matched with the roller guide frame (204), the web (202) is fixed on the upper annular guide rail (203) for supporting the furnace body (1), and the embedded air inlet pipe (207) is arranged in the base (201) for communicating with the furnace body (1).

3. The multi-outlet ore-fired furnace based on the novel furnace body rotation according to claim 2 is characterized in that: A sliding block (2021) is fixed on the bottom surface of the web beam (202), and two nested sliding rings (2031) are fixed on the upper annular guide rail (203) for limiting the position of the sliding block (2021).

4. The multi-outlet ore-fired furnace based on the novel furnace body rotation according to claim 3 is characterized in that: An insulating plate (2032) is fixed on the contact surface between the upper annular guide rail (203) and the sliding block (2021).

5. The multi-outlet ore-fired furnace based on the novel furnace body rotation according to claim 3 is characterized in that: An insulating ring (2033) is fixed on the contact surface between the slip ring (2031) and the slider (2021).

6. The multi-outlet ore-fired furnace based on the novel furnace body rotation according to claim 2 is characterized in that: The rotary drive mechanism (3) comprises a reduction motor (301), a driving gear (3011), a transmission shaft (302), a large gear (3021), a small gear (3022), a transmission bracket (303) and an outer gear ring (2034); the transmission shaft (302) is rotatably arranged on the base (201) by means of the transmission bracket (303); the small gear (3022) and the large gear (3021) are respectively fixed to the top and bottom ends of the transmission shaft (302); the outer gear ring (2034) is fixed to the upper annular guide rail (203) and meshes with the small gear (3022); and the driving gear (3011) is fixed to the output shaft of the reduction motor (301) and meshes with the large gear (3021).

7. The multi-outlet ore-fired furnace based on the novel furnace body rotation according to claim 6 is characterized in that: A first protective cover (304) is fixed on the transmission bracket (303) to surround the driving gear (3011).

8. The multi-outlet ore-fired furnace based on the novel furnace body rotation according to claim 6 is characterized in that: A second protective cover (305) is fixed on the transmission bracket (303) to surround the large gear (3021).

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