CN218080388U

CN218080388U - Furnace cover structure of torpedo hot metal mixer car

Info

Publication number: CN218080388U
Application number: CN202222582833.6U
Authority: CN
Inventors: 秦红星; 王飞; 张平远; 赵根兵
Original assignee: Masteel Heavy Machinery Manufacturing Co Of Anhui
Current assignee: Masteel Heavy Machinery Manufacturing Co Of Anhui
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2022-12-20
Anticipated expiration: 2032-09-28

Abstract

The utility model discloses a furnace cover structure of a torpedo hot metal mixer car, which belongs to the technical field of capping of torpedo hot metal mixer cars. The utility model discloses a following operating procedure: preparing an outer contour plate matched with the shape of a furnace mouth of a metal mixer, wherein the outer contour plate has a certain thickness; welding a plurality of criss-cross reinforcing rib plates on the inner side of the outer contour plate; then, a matched main board is laid inside the outer contour board, a layer of tortoise-shell net is laid on the inner side of the main board, and the tortoise-shell net is poured on the inner side of the main board through refractory materials. Aiming at the problems in the prior art, the utility model provides a furnace cover structure of a torpedo hot metal mixer car, its high temperature resistant performance is good, and the thermal deformation fracture is difficult for not only can effectively reduce the smoke and dust and discharge, reduces the heat loss and the steelmaking cost of molten iron.

Description

Furnace cover structure of metal mixer car

Technical Field

The utility model belongs to the technical field of the torpedo car adds the lid, more specifically says, relates to a torpedo car's bell structure.

Background

The torpedo hot metal mixer car is a special vehicle for transporting molten iron, and due to the open design of the torpedo hot metal mixer car, a large part of heat of the torpedo hot metal mixer car is lost through a tank opening no matter during the operation of charging molten iron or during the waiting period of an empty tank, but because the torpedo hot metal mixer car bears the high-temperature molten iron, the problems of slagging, overturning and the like of the furnace opening exist, although some enterprises try to cover the torpedo hot metal mixer car, the torpedo hot metal mixer car cannot succeed, and the acceptance level is not high due to the careful and observation attitude of the capping use of the torpedo hot metal mixer car in the industry. Aiming at the pain points and the actual situation, the inventor actively carries out technical research and development, successfully develops the furnace cover structure of the capping robot of the torpedo hot metal mixer car, has excellent high temperature resistance, is not easy to deform and crack by heat, and not only can effectively reduce smoke emission and reduce the heat loss of molten iron and the steel-making cost.

Through retrieval, relevant patent documents on the use technology of the heat preservation cover of the iron mixing vehicle are disclosed, for example, the Chinese patent application numbers are as follows: 2014101756603 discloses a heat preservation lid for sealing a mixed iron car tank opening, which effectively reduces heat loss in the process of transporting molten iron. This heat preservation lid includes: the steel shell, the honeycomb refractory bricks, the annular cover plate, the stepped holes, the riveting piece, the positioning support, the inner layer refractory material, the outer layer refractory material, the rain shield, the annular positioning piece, the cuboid rib plate and the U-shaped lifting lugs. The stepped hole can stabilize the air pressure in the tank cavity on the premise of ensuring that the heat radiation through the tank opening is reduced, reduce the thermal shock to the heat-insulating cover material and play a role in protection; the fireproof bricks are arranged into a round honeycomb shape and made of fireproof clay, so that a heat shunting effect can be achieved, and thermal shock to the cap body is effectively relieved; the rib plate is arranged to strengthen the strength of the heat preservation cover and play a role in heat dissipation of the auxiliary fins. This scheme simple structure, convenient operation can effectively reduce jar mouthful heat radiation, and energy-conserving effect is showing.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model provides a furnace cover structure of a torpedo hot metal mixer car, its high temperature resistant performance is good, and the thermal deformation fracture is difficult for not only can effectively reduce the smoke and dust and discharge, reduces the heat loss and the steelmaking cost of molten iron.

2. Technical scheme

In order to solve the problem, the utility model adopts the following technical proposal.

The utility model discloses a bell structure of torpedo car, include with torpedo car fire door shape matched with outer profile plate, outer profile plate has certain thickness, matched with mainboard has been laid to outer profile plate's inside, the mainboard inboard is equipped with one deck tortoise shell net, tortoise shell net is pour in the mainboard inboard through refractory material.

Preferably, the inner side of the main plate is provided with a high-temperature heat-insulating coating, and the inner side of the high-temperature heat-insulating coating is provided with a tortoise-shell net.

Preferably, a refractory material layer is formed on the inner side and the outer side of the tortoise shell net during pouring of the refractory material.

Preferably, a main rib plate extending along the radial direction is arranged at the central position of the outer contour plate, and a transverse rib plate and a longitudinal rib plate which are distributed in parallel with the main rib plate and are vertical to the main rib plate are also arranged in the outer contour plate.

Preferably, one end of the main rib plate is connected with the inner side wall of the outer contour plate, the other end of the main rib plate is connected with the outer contour plate through a connecting portion, the connecting portion is of a U-shaped structure, the inner side of the connecting portion extends to the inner portion of the outer contour plate, and the outer side of the connecting portion extends beyond the edge of the outer contour plate and is connected with the furnace cover seat.

Preferably, the two sides of the U-shaped opening of the connecting part are also provided with inclined rib plates connected with the longitudinal rib plates.

Preferably, a tortoise-shell net is located at an inner center area of the outer contour plate, and the tortoise-shell net is fixed to an inner side of the main plate by L-shaped anchors.

Preferably, a Y-shaped anchoring piece is welded at a position on the inner side of the main board where the tortoise-shell net is not laid, and the refractory material layer is fixed on the inner side of the main board through the Y-shaped anchoring piece.

Preferably, the main board is also provided with a plurality of air holes communicated with the outside.

Preferably, the main plate is made of 304 stainless steel, and the main rib plate, the transverse rib plate, the longitudinal rib plate and the inclined rib plate are made of Q355B steel.

3. Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The utility model discloses a torpedo hot metal mixer car's bell structure, tortoise shell net are located the inside central zone of outer profile plate can effectively increase the regional structural strength in bell central zone, just the tortoise shell net is fixed in the mainboard inboard through L type anchor assembly, pours refractory material again after being fixed in the mainboard inboard through L type anchor assembly spot welding with the tortoise shell net, can effectively increase refractory material's life, and refractory material is difficult for peeling off, and long service life is used for the wear-resistant material lining of bell with the tortoise shell net, has strengthened the anchoring ability with lining material, guarantees the structural strength and the high temperature resistance ability of bell.

(2) The utility model discloses a bell structure of torpedo hot metal mixer car, mainboard inboard are equipped with one deck high temperature insulation coating, further effectively completely cut off the erosion of high temperature steam to the mainboard inside wall, have effectively protected the mainboard, have guaranteed the high temperature resistance performance of bell.

(3) The utility model discloses a bell structure of torpedo hot metal mixer car still sets up a plurality of bleeder vents that are linked together with the external world on the mainboard, through the design of bleeder vent, can guarantee that refractory material vapor can in time discharge under high temperature environment, avoids refractory material because of gas expansion fracture, has effectively promoted refractory material's life and structural strength.

(4) The utility model discloses a bell structure of torpedo hot metal mixer car, the central point of outer profile board puts and is provided with along the main gusset of radial extension, and the main gusset includes along a pair of H shaped steel board of radial extension, and is parallel symmetric distribution, can effectively strengthen outer profile board central zone's structural strength, avoids the bell to take place to incline to both sides under the erosion effect of high temperature molten iron, can effectively prevent that the bell from warping.

Drawings

Fig. 1 is a schematic front view of the furnace lid of the present invention;

fig. 2 is a schematic top view of the furnace lid of the present invention;

FIG. 3 is a schematic view of the layout structure of the middle furnace cover rib plate of the utility model;

fig. 4 is a schematic view of the arrangement structure of the middle furnace cover tortoise shell net of the utility model;

FIG. 5 is a schematic cross-sectional view of the furnace lid of the present invention;

fig. 6 is a schematic structural diagram of the main plate of the furnace lid of the present invention.

In the figure:

1. a furnace cover; 110. a main rib plate; 111. h-shaped steel plates; 120. an outer contour plate; 130. a main board; 140. a connecting portion; 150. air holes are formed; 160. a tortoise shell net; 101. an inclined rib plate; 102. a transverse rib plate; 103. longitudinal rib plates; 104. a Y-shaped anchor; 105. an L-shaped anchor; 106. a high temperature thermal insulation coating; 107. refractory material; 2. a furnace cover seat; 3. a telescopic arm; 4. and (7) a pin shaft.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The present invention will be further described with reference to the following examples.

Example 1

With reference to fig. 1 to 6, the furnace lid structure of the torpedo car of the present embodiment includes an outer contour plate 120 matching with the shape of the mouth of the torpedo car, as shown in fig. 1, in the present embodiment, the outer contour plate 120 has a certain thickness, a matching main plate 130 is laid inside the outer contour plate 120, a tortoise-shell net 160 is arranged inside the main plate 130, the tortoise-shell net 160 is poured inside the main plate 130 through a refractory 107, specifically, as shown in fig. 4, in the present embodiment, the tortoise-shell net 160 is located in the inner central area of the outer contour plate 120, which can effectively increase the structural strength of the central area of the furnace lid 1, and the tortoise-shell net 160 is fixed inside the main plate 130 through an L-shaped anchor 105, and the refractory 107 is poured after the tortoise-shell net 160 is fixed inside the main plate 130 through the L-shaped anchor 105 by spot welding, which can effectively increase the service life of the refractory 107, and the refractory is not easy to peel off, and the service life is long, and the tortoise-shell net 160 is used as a lining material of the furnace lid 1, which enhances the wear resistance of the lining material, and ensures the structural strength and the high temperature resistance of the furnace lid anchor 1.

The inboard one deck high temperature thermal insulation coating 106 that is equipped with of mainboard 130 in this embodiment, further effectively isolated high temperature steam to the erosion of mainboard 130 inside wall, effectively protected mainboard 130, guaranteed the high temperature resistance of bell 1. In this embodiment, a tortoise-shell net 160 is disposed on the inner side of the high-temperature thermal insulation coating 106, and a refractory material layer is formed on both the inner side and the outer side of the tortoise-shell net 160 when the refractory 107 is poured. In this embodiment, the Y-shaped anchoring member 104 is welded at a position where the tortoise-shell net 160 is not laid on the inner side of the main plate 130, and the refractory layer is fixed on the inner side of the main plate 130 through the Y-shaped anchoring member 104, so that the connection stability between the refractory 107 in other areas where the tortoise-shell net 160 is not laid and the main plate 130 can be enhanced, and the service life and the structural strength of the furnace lid 1 are further effectively improved. Still set up a plurality of bleeder vents 150 that are linked together with the external world on the mainboard 130 in this embodiment, through bleeder vent 150's design, can guarantee that refractory material vapor can in time discharge under high temperature environment, avoid refractory material because of gas expansion fracture, effectively promoted refractory material's life and structural strength.

As shown in fig. 2 and 3, in the present embodiment, a main rib plate 110 extending in the radial direction is disposed at the central position of the outer contour plate 120, and the main rib plate 110 includes a pair of H-shaped steel plates 111 extending in the radial direction and is symmetrically distributed in parallel, so that the structural strength of the central region of the outer contour plate 120 can be effectively enhanced, the furnace lid 1 is prevented from being inclined to both sides under the erosion action of high-temperature molten iron, and the furnace lid 1 can be effectively prevented from being deformed. Specifically, the one end of deep floor 110 links to each other with the inside wall of outer profile board 120 in this embodiment, the other end of deep floor 110 passes through connecting portion 140 and links to each other with outer profile board 120, connecting portion 140 is U type structure, just inside extending to outer profile board 120 of connecting portion 140, the outside of connecting portion 140 extends the border position that surpasss outer profile board 120 and links to each other with bell seat 2, link to each other through yoke pin 4 between connecting portion 140 and the bell seat 2, and bell seat 2 keeps away from a side end portion of bell 1 and links to each other with the flexible arm 3 of robot, and the design of connecting portion 140 can be better links together bell 1 and bell seat 2 in this embodiment for the structure of junction is more firm stable, can effectively avoid bell 1 to one side slope under the erosion of high temperature molten iron, has effectively promoted the life and the structural strength of bell 1.

In this embodiment, a plurality of transverse rib plates 102 which are distributed in parallel with the main rib plate 110 and a plurality of longitudinal rib plates 103 which are distributed perpendicularly to the main rib plate 110 are further arranged in the outer contour plate 120, and the transverse rib plates 102 and the longitudinal rib plates 103 are arranged in a criss-cross manner, so that the stability of the main frame structure of the furnace cover 1 can be further increased, and the structural strength of the furnace cover 1 is effectively improved. In this embodiment, the two sides of the U-shaped opening of the connecting portion 140 are further provided with the inclined rib plates 101 connected with the longitudinal rib plate 103, that is, a pair of inclined rib plates 101 are symmetrically arranged at two outer sides of the connecting portion 140 in the width direction, so that the structural strength of the furnace cover 1 can be further increased. In this embodiment, the main plate 130 is made of 304 stainless steel, the main rib plate 110, the transverse rib plate 102, the longitudinal rib plate 103, and the inclined rib plate 101 are made of Q355B steel with high mechanical strength, and the structural strength and the high temperature resistance of the furnace cover 1 are ensured by the effective combination of the reinforcing rib plate and the refractory material.

The utility model discloses the example is only right the preferred embodiment of the utility model describes, and is not right the utility model discloses think about and the scope is injectd, not deviating from the utility model discloses under the prerequisite of design thought, the field engineering technical personnel are right the utility model discloses a various deformation and improvement that technical scheme made all should fall into the protection scope of the utility model.

Claims

1. The utility model provides a bell structure of torpedo hot metal mixer car which characterized in that: including outer profile board (120) with torpedo car fire door shape matched with, outer profile board (120) have certain thickness, matched with mainboard (130) have been laid to the inside of outer profile board (120), mainboard (130) inboard is equipped with one deck tortoise shell net (160), tortoise shell net (160) are pour in mainboard (130) inboard through refractory material (107).

2. The furnace cover structure of the torpedo hot metal mixer car as recited in claim 1, wherein: the inner side of the main plate (130) is provided with a layer of high-temperature heat-insulating coating (106), and the inner side of the high-temperature heat-insulating coating (106) is provided with a tortoise-shell net (160).

3. The furnace cover structure of the torpedo hot metal mixer car as recited in claim 2, wherein: when the refractory material (107) is poured, a refractory material layer is formed on the inner side and the outer side of the tortoise-shell net (160).

4. The furnace cover structure of the torpedo hot metal mixer car as recited in claim 3, wherein: the central position of the outer contour plate (120) is provided with a main rib plate (110) extending along the radial direction, and the inner part of the outer contour plate (120) is also provided with a transverse rib plate (102) distributed in parallel with the main rib plate (110) and a longitudinal rib plate (103) distributed in perpendicular to the main rib plate (110).

5. The furnace cover structure of the torpedo hot metal mixer car as recited in claim 4, wherein: the one end of major rib board (110) links to each other with the inside wall of outer profile board (120), the other end of major rib board (110) passes through connecting portion (140) and links to each other with outer profile board (120), connecting portion (140) are U type structure, just the inboard of connecting portion (140) extends to inside outer profile board (120), the outside of connecting portion (140) extends beyond the border position of outer profile board (120) and links to each other with bell seat (2).

6. The furnace cover structure of the torpedo hot metal mixer car as recited in claim 5, wherein: inclined rib plates (101) connected with the longitudinal rib plates (103) are further arranged on two sides of the U-shaped opening of the connecting portion (140).

7. The furnace lid structure of a hot metal mixer car according to any one of claims 1 to 6, wherein: the tortoise-shell net (160) is located at the inner center area of the outer contour plate (120), and the tortoise-shell net (160) is fixed to the inner side of the main plate (130) by L-shaped anchors (105).

8. The furnace cover structure of the torpedo hot metal mixer car as recited in claim 7, wherein: and a Y-shaped anchoring piece (104) is welded at the position of the inner side of the main plate (130) where the tortoise-shell net (160) is not laid, and the refractory material layer is fixed on the inner side of the main plate (130) through the Y-shaped anchoring piece (104).

9. The furnace cover structure of the torpedo hot metal mixer car as recited in claim 1, wherein: the main board (130) is also provided with a plurality of air holes (150) communicated with the outside.

10. The furnace cover structure of the mixer car according to claim 6, wherein: the main plate (130) is made of 304 stainless steel, and the main rib plate (110), the transverse rib plate (102), the longitudinal rib plate (103) and the inclined rib plate (101) are made of Q355B steel.