CN217398907U

CN217398907U - Grouting connecting device for hot surface of blast furnace carbon brick

Info

Publication number: CN217398907U
Application number: CN202220887514.3U
Authority: CN
Inventors: 肖阳; 刘宇; 聂春
Original assignee: Dalian Comon Engineering Materials Co ltd
Current assignee: Dalian Comon Engineering Materials Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-09-09
Anticipated expiration: 2032-04-18

Abstract

The utility model relates to a blast furnace grout technical field just discloses a grout connecting device for hot face of blast furnace carbon brick, including carbon brick and connecting device, set up the connecting hole that corresponds with connecting device on the carbon brick, connecting device includes the mud jacking nozzle stub, and the setting of mud jacking nozzle stub is in the connecting hole, and the bottom of carbon brick is grouting region, and connecting hole intracavity upside inner wall is seted up there is the internal thread, and the thick screw thread has been seted up to the outer wall of mud jacking nozzle stub, thick screw thread and internal thread looks adaptation. This a grout connecting device for hot face of blast furnace carbon brick, the utility model discloses the structure is succinct, convenient and durable, economical and practical, can use in various hot face mud jacking of blast furnace carbon brick. The utility model provides a prior art lack can be with carbon brick and mud jacking pipe sealing connection's device, the unable problem of realizing directly following carbon brick hot side mud jacking, thereby make the utility model discloses can realize carbon brick and mud jacking pipe sealing connection's device, let carbon brick hot side mud jacking technique gain the breakthrough.

Description

Grouting connecting device for hot surface of blast furnace carbon brick

Technical Field

The utility model relates to a blast furnace grout technical field especially relates to a grout connecting device for hot face of blast furnace carbon brick.

Background

At present, the carbon brick grouting of a blast furnace can only be carried out by tapping from the outside of a furnace shell, welding grouting short pipes, connecting grouting pipelines and then grouting. If the carbon brick is pressed from the hot surface of the carbon brick in the hearth, the direct pressing from the hot surface of the carbon brick cannot be realized because a device capable of connecting the carbon brick and the pressing pipe in a sealing manner is lacked. It is difficult to fill the gaps below the carbon bricks by grouting the bottom of the furnace.

In order to solve the problem of sealing connection between the hot surface of the carbon brick and a grouting pipeline and realize grouting from the hot surface of the carbon brick, a device capable of sealing connection between the carbon brick and the grouting pipeline is designed, so that the technology of grouting from the hot surface of the carbon brick is broken through.

To this end, we propose a grouting connection device for the hot face of the blast furnace carbon brick.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problems existing in the prior art and provides a grouting connecting device for the hot surface of the blast furnace carbon brick.

In order to realize the above-mentioned purpose, the utility model discloses a following technical scheme, a grout connecting device for hot face of blast furnace carbon brick, including carbon brick and connecting device, set up the connecting hole that corresponds with connecting device on the carbon brick, connecting device includes the mud jacking nozzle stub, the setting of mud jacking nozzle stub is in the connecting hole, the bottom of carbon brick is grout region, the internal thread has been seted up to the upside inner wall in the connecting hole intracavity, the thick thread has been seted up to the outer wall of mud jacking nozzle stub, thick thread and internal thread looks adaptation, the connecting thread has been seted up to the upside outer wall of mud jacking nozzle stub, the mud jacking pipeline passes through connecting thread and is connected with the mud jacking nozzle stub, the bottom of mud jacking nozzle stub is provided with and is used for carrying out the elastic sealing cover sealed with connecting hole and mud jacking nozzle stub, be provided with the elastic snap ring on the elastic sealing cover, the outer wall of elastic sealing cover is provided with fixed snap ring.

Furthermore, the elastic snap ring is embedded into the wall surface of the bottom end of the elastic sealing sleeve.

Furthermore, the elastic clamping ring sleeves the elastic sealing sleeve at the bottom end of the grouting short pipe.

Furthermore, the elastic sealing sleeve is firmly fixed on the wall surface of the grouting short pipe by the fixing clamp ring.

Further, the fixed snap ring is positioned above the elastic snap ring.

Advantageous effects

The utility model provides a grouting connecting device for the hot surface of a blast furnace carbon brick. The method has the following beneficial effects:

(1) the utility model discloses a grout connecting device for hot face of blast furnace carbon brick, the utility model discloses the structure is succinct, convenient and durable, economical and practical, can use in various hot face mudjacking of blast furnace carbon brick. The utility model provides a prior art lack can be with carbon brick and mud jacking pipe sealing connection's device, the unable problem of realizing directly following carbon brick hot side mud jacking, thereby make the utility model discloses can realize carbon brick and mud jacking pipe sealing connection's device, let carbon brick hot side mud jacking technique gain the breakthrough.

Drawings

The structures, proportions, sizes, and other elements shown in the specification are for the understanding of the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined by the claims, but rather by the claims.

FIG. 1 is a schematic view of a sealing connection device for hot-face grouting of a blast furnace carbon brick;

fig. 2 is an enlarged view of a point a in fig. 1.

Illustration of the drawings:

1. connecting threads; 2. grouting short pipes; 3. coarse threads; 4. fixing the snap ring; 5. an elastic sealing sleeve; 6. an elastic snap ring; 7. carbon bricks; 8. and connecting the holes.

Detailed Description

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

The first embodiment is as follows: the utility model provides a grout connecting device for hot face of blast furnace carbon brick, as shown in figure 1, including carbon brick 7 and connecting device, set up the connecting hole 8 that corresponds with connecting device on the carbon brick 7, connecting device includes mudjacking nozzle stub 2, mudjacking nozzle stub 2 sets up in connecting hole 8, the bottom of carbon brick 7 is the grout region, the internal thread has been seted up to 8 intracavity upside inner walls of connecting hole, coarse thread 3 has been seted up to the outer wall of mudjacking nozzle stub 2, coarse thread 3 and internal thread looks adaptation, connecting thread 1 has been seted up to the upside outer wall of mudjacking nozzle stub 2, the mudjacking pipeline passes through connecting thread 1 and is connected with mudjacking nozzle stub 2, the bottom of mudjacking nozzle stub 2 is provided with and is used for carrying out sealed elastic sealing cover 5 with connecting hole 8 and mudjacking nozzle stub 2.

Example two: the utility model provides a grout connecting device for hot face of blast furnace carbon brick, as shown in fig. 1-fig. 2, including carbon brick 7 and connecting device, set up the connecting hole 8 that corresponds with connecting device on the carbon brick 7, connecting device includes mudjacking nozzle stub 2, mudjacking nozzle stub 2 sets up in connecting hole 8, the bottom of carbon brick 7 is the grout region, the internal thread has been seted up to the upside inner wall in the connecting hole 8 intracavity, coarse thread 3 has been seted up to the outer wall of mudjacking nozzle stub 2, coarse thread 3 and internal thread looks adaptation, connecting thread 1 has been seted up to the upside outer wall of mudjacking nozzle stub 2, the mudjacking pipeline passes through connecting thread 1 and is connected with mudjacking nozzle stub 2, the bottom of mudjacking nozzle stub 2 is provided with and is used for carrying out sealed elastic sealing cover 5 with connecting hole 8 and mudjacking nozzle stub 2.

An elastic snap ring 6 is arranged on the elastic sealing sleeve 5, the elastic snap ring 6 is embedded into the wall surface of the bottom end of the elastic sealing sleeve 5, the elastic sealing sleeve 5 is sleeved at the bottom end of the grouting short pipe 2 through the elastic snap ring 6, a fixing snap ring 4 is arranged on the outer wall of the elastic sealing sleeve 5, the elastic sealing sleeve 5 is firmly fixed on the wall surface of the grouting short pipe 2 through the fixing snap ring 4, and the fixing snap ring 4 is located above the elastic snap ring 6.

The utility model discloses a theory of operation: firstly drilling a hole on the hot surface of the carbon brick 7, drilling a connecting hole 8, connecting the connecting hole 8 to a position needing grouting, and then processing a coarse internal thread on the upper part of the connecting hole 8, wherein the size of the internal thread is matched with that of the coarse thread 3.

The elastic snap ring 6 is embedded into the elastic sealing sleeve 5, then the elastic sealing sleeve 5 is sleeved on the end part of the grouting short pipe 2, and then the elastic sealing sleeve 5 is fixed with the grouting short pipe 2 by the fixed snap ring 6.

In the connecting hole 8 of carbon brick 7 that this cover device twist opened, during the mud jacking operation, pass through threaded connection to mud jacking pipeline and mud jacking nozzle stub 2, after mud jacking material got into mud jacking nozzle stub 2, receive the pressure effect, can strut elastic sealing cover 5 tightly in pasting carbon brick 7's connecting hole 8, and then ensure that mud jacking material can not ooze from connecting hole 8 lateral wall, directly get into in the gap in mud jacking region, reach the purpose effect of mud jacking.

The utility model has simple structure, convenience, durability, economy and practicality, and can be used in various blast furnace carbon brick hot-face mudjacking. The utility model provides a prior art lack can be with carbon brick and mud jacking pipe sealing connection's device, the unable problem of realizing directly following carbon brick hot side mud jacking, thereby make the utility model discloses can realize carbon brick and mud jacking pipe sealing connection's device, let carbon brick hot side mud jacking technique gain the breakthrough.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a grout connecting device for hot face of blast furnace carbon brick, includes carbon brick (7) and connecting device, its characterized in that: offer connecting hole (8) that correspond with connecting device on carbon brick (7), connecting device includes mudjacking nozzle stub (2), mudjacking nozzle stub (2) set up in connecting hole (8), the bottom of carbon brick (7) is the grout region, connecting hole (8) intracavity upside inner wall is seted up there is the internal thread, coarse thread (3) have been seted up to the outer wall of mudjacking nozzle stub (2), coarse thread (3) and internal thread looks adaptation, connecting thread (1) have been seted up to the upside outer wall of mudjacking nozzle stub (2), the mudjacking pipeline passes through connecting thread (1) and is connected with mudjacking nozzle stub (2), the bottom of mudjacking nozzle stub (2) is provided with and is used for carrying out the elastic sealing cover (5) sealed with connecting hole (8) and mudjacking nozzle stub (2), be provided with elasticity snap ring (6) on elastic sealing cover (5), the outer wall of elasticity sealing cover (5) is provided with fixed snap ring (4).

2. The grouting connection device for the hot face of a blast furnace carbon brick as claimed in claim 1, wherein: the elastic snap ring (6) is embedded into the bottom end wall surface of the elastic sealing sleeve (5).

3. The grouting connection device for the hot side of a blast furnace carbon brick as claimed in claim 2, wherein: the elastic snap ring (6) is used for sleeving the elastic sealing sleeve (5) at the bottom end of the grouting short pipe (2).

4. The grouting connection device for a hot side of a blast furnace carbon brick as claimed in claim 1, wherein: the fixed snap ring (4) firmly fixes the elastic sealing sleeve (5) on the wall surface of the grouting short pipe (2).

5. The grouting connection device for a hot side of a blast furnace carbon brick as claimed in claim 1, wherein: the fixed snap ring (4) is positioned above the elastic snap ring (6).