CN219368423U - Sealing smoke hood of submerged arc furnace - Google Patents

Abstract

The utility model discloses a sealing hood of a submerged arc furnace, which comprises a submerged arc furnace body, wherein a tap hole is formed in the submerged arc furnace body, a sealing hood is arranged at the tap hole, the sealing hood is fixed on the tap hole through a connecting component, the sealing hood comprises a fume collecting hood body, a positioning ring plate, a sealing ring and an outer connecting seat, the end part of the fume collecting hood body is provided with the positioning ring plate, the positioning ring plate is inserted into the tap hole, the inner side end surface of the positioning ring plate is provided with the sealing ring, the positioning ring plate is connected onto the tap hole in a sealing way through the sealing ring, and the outer side end surface of the fume collecting hood body is provided with the outer connecting seat. The sealing smoke hood of the submerged arc furnace is arranged on the tap hole through the positioning ring plate, the positioning ring plate is connected to the tap hole in a sealing way through the sealing ring, the outer connecting seat is attached to the outer end face of the tap hole, the sealing smoke hood can be connected to the tap hole in a sealing way through the connecting component, smoke at the tap hole is collected through the sealing smoke hood, the smoke can be effectively prevented from leaking from a gap, and the smoke collecting effect is good.

Description

Sealing smoke hood of submerged arc furnace

Technical Field

The utility model relates to the technical field of submerged arc furnaces, in particular to a submerged arc furnace sealing smoke hood.

Background

The submerged arc furnace is a main furnace type for smelting ferroalloy and nonferrous metals; according to the structure, the submerged arc furnace can be generally divided into an open type submerged arc furnace, a closed type submerged arc furnace and a semi-closed type submerged arc furnace, the open type submerged arc furnace is simple in structure and serious in smoke pollution, the closed type submerged arc furnace is complex in structure and high in manufacturing cost and limited in application, so that the submerged arc furnace is most commonly used, the submerged arc furnace can be used for collecting smoke generated in the smelting process of the submerged arc furnace, people tend to pay attention to smoke generated in the submerged arc furnace in the actual production process, and part of smoke is easy to generate when the submerged arc furnace is not noticed to be discharged, and the part of smoke pollutes the workshop environment.

The Chinese patent with publication number of CN217179305U discloses a water-cooled fume hood device of a submerged arc furnace tapping hole, and the water-cooled fume hood assembly is arranged above the submerged arc furnace tapping hole, so that fume generated during tapping of the submerged arc furnace can be effectively collected, and environmental pollution of workshops is reduced.

The Chinese patent publication No. CN114812207A discloses a tapping and smoke discharging system of a rotary submerged arc furnace, which can solve the tapping and smoke discharging problems of the rotary submerged arc furnace, improve the smoke collecting effect of a tap hole and reduce the power loss of a smoke discharging fan. However, the above patent suffers from the following drawbacks:

when collecting tap hole department flue gas, its petticoat pipe is placed in the top of tap hole, leads to the flue gas to leak from the clearance department between petticoat pipe and the tap hole easily, leads to the collection cigarette effect poor.

Disclosure of Invention

The utility model aims to provide a sealing smoke hood of an submerged arc furnace, which is used for collecting smoke at a tap hole, so that the leakage of the smoke from a gap can be effectively avoided, the smoke collecting effect is good, and the problems in the prior art can be solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a hot stove seal hood in ore deposit, includes hot furnace body in ore deposit, be provided with the tap hole on the hot furnace body in ore deposit, tap hole department is provided with seal hood, seal hood passes through coupling assembling to be fixed on the tap hole, seal hood includes the collection petticoat pipe body, locating ring plate, sealing washer and outer seat that links, the tip of the collection petticoat pipe body is provided with the locating ring plate, the locating ring plate inserts in the tap hole, the inboard terminal surface of locating ring plate is provided with the sealing washer, the locating ring plate passes through sealing washer sealing connection on the tap hole, the outside terminal surface of the collection petticoat pipe body is provided with outer seat that links, outer seat that links is pasted on the outside terminal surface of tap hole.

Preferably, the connecting assembly comprises a support bracket, a coil spring, a telescopic guide column and a traction sliding seat, wherein the support bracket is arranged on the outer connecting seat, and the support bracket is connected with the traction sliding seat through the coil spring and the telescopic guide column.

Preferably, the connecting assembly further comprises a connecting limiting rod, the connecting limiting rod is arranged on the traction sliding seat, one end, far away from the traction sliding seat, of the connecting limiting rod is inserted into the outer connecting seat, and the connecting limiting rod extends into the tap hole.

Preferably, the connecting assembly further comprises a traction connecting rod, the traction connecting rod is arranged on the traction sliding seat, one end, far away from the traction sliding seat, of the traction connecting rod penetrates through the support bracket, and the traction connecting rod is connected with the operating handle.

Preferably, one end of the traction sliding seat is embedded on the support bracket, a guide groove for the traction sliding seat to transversely move is formed in the support bracket, and the traction sliding seat is matched with the guide groove.

Preferably, the fume collecting hood is provided with a fume outlet.

Compared with the prior art, the utility model has the following beneficial effects:

the sealing smoke hood of the submerged arc furnace is arranged on the tap hole through the positioning ring plate, the positioning ring plate is connected to the tap hole in a sealing way through the sealing ring, the outer connecting seat is attached to the outer end face of the tap hole, the sealing smoke hood can be connected to the tap hole in a sealing way through the connecting component, smoke at the tap hole is collected through the sealing smoke hood, the smoke can be effectively prevented from leaking from a gap, and the smoke collecting effect is good.

Drawings

FIG. 1 is a schematic forward view of a sealing hood of an submerged arc furnace according to the present utility model;

FIG. 2 is a schematic forward view of the present utility model with a sealing hood installed at the tap hole;

FIG. 3 is a front exploded view of the present utility model with a sealing smoke cage installed at the tap hole;

FIG. 4 is an upward schematic view of the sealed fume hood of the present utility model;

FIG. 5 is an upward exploded view of the sealed fume hood of the present utility model;

FIG. 6 is a front cross-sectional view of the present utility model showing the installation of a sealing hood at the tap hole;

fig. 7 is an enlarged view of fig. 6 at a in accordance with the present utility model.

In the figure: 1. an ore-smelting furnace body; 2. a tap hole; 3. sealing the fume hood; 31. a fume collecting hood; 311. a smoke outlet; 32. positioning ring plates; 33. a seal ring; 34. an outer connecting seat; 4. a connection assembly; 41. a support bracket; 42. a coil spring; 43. a telescopic guide post; 44. traction slide; 45. connecting a limiting rod; 46. a traction link; 461. an operating handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order to solve the technical problem that the smoke is easy to leak from the clearance between the smoke hood and the tap hole and the smoke collection effect is poor due to the fact that the smoke hood is placed above the tap hole when the smoke at the tap hole is collected, please refer to fig. 1-7, the embodiment provides the following technical scheme:

the utility model provides a submerged arc furnace seals petticoat pipe, including submerged arc furnace body 1, be provided with tap hole 2 on the submerged arc furnace body 1, tap hole 2 department is provided with sealed petticoat pipe 3, sealed petticoat pipe 3 passes through coupling assembling 4 to be fixed on tap hole 2, sealed petticoat pipe 3 includes the collection petticoat pipe body 31, the holding ring plate 32, sealing washer 33 and outer even seat 34, be provided with exhaust port 311 on the collection petticoat pipe body 31, dust pelletizing system is connected to exhaust port 311, be convenient for carry out dust removal to the flue gas and handle, the tip of collection petticoat pipe body 31 is provided with holding ring plate 32, holding ring plate 32 inserts in tap hole 2, the inboard terminal surface of holding ring plate 32 is provided with sealing washer 33, holding ring plate 32 passes through sealing washer 33 sealing connection on tap hole 2, the outside terminal surface of collection petticoat pipe body 31 is provided with outer even seat 34, outer even seat 34 pastes on the outside terminal surface of tap hole 2.

Specifically, sealed petticoat pipe 3 passes through locating ring plate 32 to be installed on tap hole 2, and locating ring plate 32 passes through sealing washer 33 sealing connection on tap hole 2, and outer even seat 34 pastes on tap hole 2's the outside terminal surface, can be with sealed petticoat pipe 3 sealing connection on tap hole 2 through coupling assembling 4, utilizes sealed petticoat pipe 3 to collect tap hole 2 department flue gas, can effectively avoid the flue gas to leak from the clearance, makes the collection cigarette effectual.

The connecting assembly 4 comprises a supporting bracket 41, a coil spring 42, a telescopic guide post 43 and a traction sliding seat 44, wherein the supporting bracket 41 is arranged on the outer connecting seat 34, and the supporting bracket 41 is connected with the traction sliding seat 44 through the coil spring 42 and the telescopic guide post 43.

The connecting assembly 4 further comprises a connecting limiting rod 45, the connecting limiting rod 45 is arranged on the traction sliding seat 44, one end, away from the traction sliding seat 44, of the connecting limiting rod 45 is inserted into the outer connecting seat 34, and the connecting limiting rod 45 extends into the tap hole 2.

The connecting assembly 4 further comprises a traction link 46, the traction link 46 is mounted on the traction slide 44, one end of the traction link 46 away from the traction slide 44 penetrates through the support bracket 41, and the traction link 46 is connected with an operation handle 461.

One end of the traction slide 44 is embedded on the support bracket 41, a guide groove for the traction slide 44 to transversely move is formed in the support bracket 41, and the traction slide 44 is matched with the guide groove.

The installation process of the sealing hood 3 is as follows:

the operation handle 461 is used for driving the traction connecting rod 46, the traction sliding seat 44 and the connection limiting rod 45 to transversely move, the spiral spring 42 and the telescopic guide column 43 shrink due to the extrusion force until the connection limiting rod 45 is not used for blocking the installation of the sealing smoke hood 3, at the moment, the sealing smoke hood 3 is installed on the tap hole 2 through the positioning ring plate 32, the positioning ring plate 32 is connected onto the tap hole 2 in a sealing way through the sealing ring 33, the outer connecting seat 34 is attached onto the outer side end face of the tap hole 2, the operation handle 461 is loosened, the spiral spring 42 and the telescopic guide column 43 are stretched due to the fact that the extrusion force is not received any more, the traction sliding seat 44 and the connection limiting rod 45 are pushed to transversely move, the connection limiting rod 45 is inserted into the tap hole 2, at the moment, the sealing smoke hood 3 is fixed onto the tap hole 2 in a sealing way, and smoke leakage from a gap can be effectively avoided by utilizing the sealing smoke hood 3, and a smoke collecting effect is good.

In summary, the sealing hood 3 of the submerged arc furnace is arranged on the tap hole 2 through the positioning ring plate 32, the positioning ring plate 32 is connected to the tap hole 2 in a sealing way through the sealing ring 33, the outer connecting seat 34 is attached to the outer end face of the tap hole 2, the sealing hood 3 can be connected to the tap hole 2 in a sealing way through the connecting component 4, and flue gas at the tap hole 2 is collected by the sealing hood 3, so that the leakage of the flue gas from a gap can be effectively avoided, and the smoke collecting effect is good.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a hot stove seal petticoat pipe in ore deposit, includes hot furnace body (1), its characterized in that: the submerged arc furnace comprises a submerged arc furnace body (1), wherein a tapping hole (2) is formed in the submerged arc furnace body (1), a sealing smoke cover (3) is arranged at the tapping hole (2), the sealing smoke cover (3) is fixed on the tapping hole (2) through a connecting component (4), the sealing smoke cover (3) comprises a smoke collecting cover body (31), a positioning ring plate (32), a sealing ring (33) and an outer connecting seat (34), the end part of the smoke collecting cover body (31) is provided with the positioning ring plate (32), the positioning ring plate (32) is inserted into the tapping hole (2), the inner end face of the positioning ring plate (32) is provided with the sealing ring (33), the positioning ring plate (32) is connected onto the tapping hole (2) in a sealing mode through the sealing ring (33), the outer end face of the smoke collecting cover body (31) is provided with the outer connecting seat (34), and the outer connecting seat (34) is attached onto the outer end face of the tapping hole (2).

2. A submerged arc furnace sealing hood according to claim 1, wherein: the connecting assembly (4) comprises a supporting bracket (41), a spiral spring (42), a telescopic guide column (43) and a traction sliding seat (44), wherein the supporting bracket (41) is arranged on the outer connecting seat (34), and the supporting bracket (41) is connected with the traction sliding seat (44) through the spiral spring (42) and the telescopic guide column (43).

3. A submerged arc furnace sealing hood according to claim 2, wherein: the connecting assembly (4) further comprises a connecting limiting rod (45), the connecting limiting rod (45) is arranged on the traction sliding seat (44), one end, far away from the traction sliding seat (44), of the connecting limiting rod (45) is inserted into the outer connecting seat (34), and the connecting limiting rod (45) extends into the tapping hole (2).

4. A submerged arc furnace sealing hood according to claim 2, wherein: the connecting assembly (4) further comprises a traction connecting rod (46), the traction connecting rod (46) is arranged on the traction sliding seat (44), one end, far away from the traction sliding seat (44), of the traction connecting rod (46) penetrates through the supporting bracket (41), and the traction connecting rod (46) is connected with an operation handle (461).

5. A submerged arc furnace sealing hood according to claim 2, wherein: one end of the traction sliding seat (44) is embedded on the support bracket (41), a guide groove for the traction sliding seat (44) to transversely move is formed in the support bracket (41), and the traction sliding seat (44) is matched with the guide groove.

6. A submerged arc furnace sealing hood according to claim 1, wherein: the smoke collecting cover body (31) is provided with a smoke outlet (311).