CN216845667U

CN216845667U - Heating furnace is used in production of mullite composite brick

Info

Publication number: CN216845667U
Application number: CN202220217501.5U
Authority: CN
Inventors: 孙瑞东
Original assignee: Zhengzhou Zhongkeda Refractory Co ltd
Current assignee: Zhengzhou Zhongkeda Refractory Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-06-28
Anticipated expiration: 2032-01-26

Abstract

The utility model relates to the technical field of mullite brick production equipment, in particular to a heating furnace for producing mullite composite bricks, which comprises a furnace body, wherein a sealing plate is arranged at a feed inlet of the furnace body, a lifting mechanism for controlling the opening and closing of the sealing plate is arranged above the furnace body, an opening and closing mechanism for heat dissipation and external heat supply is arranged at the top of the inner wall of the furnace body, and a gap is reserved between the top of the opening and closing mechanism and the top of the inner wall of the furnace body; the utility model is provided with the sealing plate, the lifting mechanism and the opening and closing mechanism, when the furnace body heats the mullite composite brick, the sealing plate is closed by the lifting mechanism, and the opening and closing mechanism is closed, so that the heat preservation performance of the furnace body can be ensured; when the furnace body stops working, the opening and closing mechanism can be opened, and the heat in the furnace body is discharged to a heat recovery part through the connecting pipe, so that the energy is saved; in addition, when the furnace body normally works, when the heat in the furnace body is insufficient, the external heating equipment of accessible connecting pipe promotes the temperature in the furnace body, uses in a flexible way.

Description

Heating furnace is used in production of mullite composite brick

Technical Field

The utility model relates to a mullite brick production facility technical field, concretely relates to heating furnace is used in production of mullite composite brick.

Background

The mullite brick is a high-alumina refractory material taking mullite as a main crystal phase. The alumina content is generally between 65% and 75%. The mineral composition contains a small amount of vitreous phase and cristobalite in addition to mullite, which contains lower alumina; those with higher alumina content also contain small amounts of corundum. The method is mainly used for furnace tops, blast furnace shafts and furnace bottoms of hot blast furnaces, regenerative chambers of glass melting furnaces, ceramic sintering furnaces, dead-angle furnace linings of petroleum cracking systems and the like.

Mullite composite brick is when producing, semi-manufactured goods after the shaping need adopt the shallow to transport to the baking house and dry, 40 ℃ dries by the fire for 24 hours, 60 ℃ dries by the fire for 24 hours, current drying equipment, mostly do not have the heat recovery and utilization function, and the leakproofness is poor, at the in-process of debugging temperature, can't adjust gradually according to the demand, it directly opens the heating furnace and dispels the heat to adopt mostly, poor stability, current heating furnace in addition, can't heat through external auxiliary heating equipment, and can't utilize external thermal cycle mechanism to heat, use the flexibility ratio low.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a heating furnace is used in mullite composite brick production, not only the heat preservation is effectual, has heat dissipation and heat recovery's function moreover.

In order to solve the technical problem, the utility model provides a heating furnace for producing mullite composite bricks, which comprises a furnace body, wherein a sealing plate is arranged at a feed inlet of the furnace body, a lifting mechanism for controlling the opening and closing of the sealing plate is arranged above the furnace body, an opening and closing mechanism for heat dissipation and external heat supply is arranged at the top of the inner wall of the furnace body, and a gap is reserved between the top of the opening and closing mechanism and the top of the inner wall of the furnace body;

the opening and closing mechanism comprises two fixed plates which are symmetrically arranged, one side, far away from the two fixed plates, of each fixed plate is fixedly connected with the inner wall of the furnace body, the two fixed plates are rotatably connected with a movable plate towards the side close to the two fixed plates, and a cylinder used for controlling the movable plates to open and close is arranged at the tops of the movable plates and the fixed plates.

Further, hoist mechanism includes two fixed columns of fixed mounting at the furnace body top, and two fixed column tops rotate to be connected with the pivot, pivot one end fixedly connected with sprocket, and the motor is still installed at the furnace body top, is connected through first chain drive between motor and the sprocket, the closing plate top is connected with the second chain, and the pivot outer wall still is provided with the sprocket that uses with the second chain cooperation.

Furthermore, one end of the second chain, which is far away from the sealing plate, is connected with a balancing weight.

Furthermore, a support rod is arranged between the outer side of the fixing column and the furnace body, and the support rod is obliquely arranged.

Further, the bottom of the inner wall of the furnace body is provided with a track groove, and the bottom of the furnace body is fixedly connected with a base.

Furthermore, a connecting pipe for transferring heat is arranged on the outer side of the top of the furnace body, and the connecting pipe is positioned above the opening and closing mechanism and is communicated with the furnace body.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

1. the utility model is provided with the sealing plate, the lifting mechanism and the opening and closing mechanism, when the furnace body heats the mullite composite brick, the sealing plate is closed by the lifting mechanism, and the opening and closing mechanism is closed, so that the heat preservation performance of the furnace body can be ensured; when the furnace body stops working, the opening and closing mechanism can be opened, and the heat in the furnace body is discharged to a heat recovery part through the connecting pipe, so that the energy is saved; in addition, when the furnace body normally works, when the heat in the furnace body is insufficient, the external heating equipment of accessible connecting pipe promotes the temperature in the furnace body, uses in a flexible way.

2. The utility model discloses a set up the bracing piece, can improve hoist mechanism's stability, through setting up the balancing weight, when promoting the closing plate, can reduce the work load of motor, energy-conserving energy consumption and the life of extension motor.

3. The utility model discloses a set up the track groove at the furnace body inner wall, make things convenient for the shallow to carry the mullite composite brick, the practicality is strong.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic structural view of a front view of the middle opening and closing mechanism of the present invention;

fig. 4 is a schematic structural view of the shaft side of the middle opening and closing mechanism of the present invention;

fig. 5 is a schematic view of a main view of a local structure of the middle opening and closing mechanism of the present invention.

In the figure: 1. a furnace body; 2. a sealing plate; 3. fixing a column; 4. a lifting mechanism; 41. a motor; 42. a rotating shaft; 43. a first chain; 44. a balancing weight; 45. a second chain; 46. a sprocket; 5. a track groove; 6. a base; 7. a support bar; 8. a movable plate; 9. a fixing plate; 10. a cylinder; 11. a first hinge block; 12. a second hinged block; 13. and (4) connecting the pipes.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 5 of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.

As shown in fig. 1-5: a heating furnace for producing mullite composite bricks comprises a furnace body 1, wherein a sealing plate 2 is arranged at a feed inlet of the furnace body 1 along the vertical direction, a lifting mechanism 4 for controlling the opening and closing of the sealing plate 2 is arranged above the furnace body 1, an opening and closing mechanism for heat dissipation and external heat supply is arranged at the top of the inner wall of the furnace body 1, and a gap is reserved between the top of the opening and closing mechanism and the top of the inner wall of the furnace body 1;

specifically, the heating furnace for producing the mullite composite bricks comprises a furnace body 1, a sealing plate 2 is arranged at a feed inlet of the furnace body 1 along the vertical direction, a lifting mechanism 4 for controlling the opening and closing of the sealing plate 2 is arranged above the furnace body 1, an opening and closing mechanism for heat dissipation and external heat supply is arranged at the top of the inner wall of the furnace body 1, a gap is reserved between the top of the opening and closing mechanism and the top of the inner wall of the furnace body 1, a connecting pipe 13 for transferring heat is fixedly arranged on the outer side of the top of the furnace body 1, and the connecting pipe 13 is positioned above the opening and closing mechanism and communicated with the furnace body 1;

the opening and closing mechanism comprises two fixed plates 9 which are symmetrically arranged, one sides, far away from the two fixed plates 9, of the two fixed plates 9 are fixedly connected with the inner wall of the furnace body 1, the two fixed plates 9 are rotatably connected with movable plates 8 towards the near sides, air cylinders 10 for controlling the opening and closing of the movable plates 8 are mounted at the tops of the movable plates 8 and the fixed plates 9, the working ends of the air cylinders 10 are connected with the movable plates 8 through first hinge blocks 11, and the fixed ends of the air cylinders 10 are connected with the fixed plates 9 through second hinge blocks 12;

the lifting mechanism 4 comprises two fixed columns 3 fixedly mounted at the top of the furnace body 1, the top ends of the two fixed columns 3 are rotatably connected with a rotating shaft 42, one end of the rotating shaft 42 is fixedly connected with a chain wheel 46, the top of the furnace body 1 is further provided with a motor 41, the motor 41 is in transmission connection with the chain wheel 46 through a first chain 43, the top of the sealing plate 2 is connected with a second chain 45, and the outer wall of the rotating shaft 42 is further provided with a chain wheel 46 matched with the second chain 45 for use.

In the embodiment, by arranging the sealing plate 2, the lifting mechanism 4 and the opening and closing mechanism, when the furnace body 1 heats the mullite composite brick, the sealing plate 2 is closed by the lifting mechanism 4, and the opening and closing mechanism is closed, so that the heat insulation performance of the furnace body 1 can be ensured; when the furnace body 1 stops working, the opening and closing mechanism can be opened, and the heat in the furnace body 1 is discharged to a heat recovery part through the connecting pipe 13, so that the energy is saved; in addition, when the furnace body 1 works normally and the heat in the furnace body 1 is insufficient, the heating equipment can be externally connected through the connecting pipe 13, the temperature in the furnace body 1 is increased, and the use is flexible.

According to one embodiment of the present invention, as shown in figure 2,

one end of the second chain 45, which is far away from the sealing plate 2, is connected with a balancing weight 44, a supporting rod 7 is fixedly arranged between the outer side of the fixed column 3 and the furnace body 1, and the supporting rod 7 is obliquely arranged;

this embodiment, through setting up bracing piece 7, can improve hoist mechanism 4's stability, through setting up balancing weight 44, when promoting closing plate 2, can reduce motor 41's work load, energy-conserving energy consumption and extension motor 41's life.

According to another embodiment of the present invention, as shown in figure 1,

the bottom of the inner wall of the furnace body 1 is provided with a track groove 5, and the bottom of the furnace body 1 is fixedly connected with a base 6;

through set up track groove 5 at 1 inner walls of furnace body, make things convenient for the shallow to carry mullite composite brick, the practicality is strong.

The utility model discloses a theory of operation:

when the furnace body 1 heats the mullite composite brick, the sealing plate 2 is closed through the lifting mechanism 4, when the sealing plate 2 is closed, the motor 41 drives the chain wheel 46 and the rotating shaft 42 to rotate through the first chain 43, the rotating shaft 42 drives the second chain 45 to move, the sealing plate 2 moves downwards under the action of the second chain 45, the sealing plate 2 is closed, the opening and closing mechanism is closed, when the opening and closing mechanism is closed, the air cylinder 10 drives the two movable plates 8 to rotate, the two movable plates 8 are in contact, the closing of the opening and closing mechanism is completed, and the heat insulation performance of the furnace body 1 can be ensured; when the furnace body 1 stops working, the opening and closing mechanism can be opened, and the heat in the furnace body 1 is discharged to a heat recovery part through the connecting pipe 13, so that the energy is saved; in addition, when the furnace body 1 works normally and the heat in the furnace body 1 is insufficient, the heating equipment can be externally connected through the connecting pipe 13, the temperature in the furnace body 1 is increased, and the use is flexible.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The heating furnace for producing the mullite composite brick is characterized in that: the furnace comprises a furnace body (1), wherein a sealing plate (2) is arranged at a feed inlet of the furnace body (1), a lifting mechanism (4) for controlling the sealing plate (2) to open and close is arranged above the furnace body (1), an opening and closing mechanism for heat dissipation and external heat supply is arranged at the top of the inner wall of the furnace body (1), and a gap is reserved between the top of the opening and closing mechanism and the top of the inner wall of the furnace body (1);

the opening and closing mechanism comprises two fixing plates (9) which are symmetrically arranged, one side, away from each other, of each fixing plate (9) is fixedly connected with the inner wall of the furnace body (1), the two fixing plates (9) are connected with movable plates (8) in a rotating mode towards the side close to each fixing plate, and air cylinders (10) used for controlling the movable plates (8) to open and close are arranged at the tops of the movable plates (8) and the fixing plates (9).

2. The heating furnace for producing the mullite composite brick as claimed in claim 1, wherein: the lifting mechanism (4) comprises two fixing columns (3) fixedly mounted at the top of the furnace body (1), the top ends of the two fixing columns (3) are rotatably connected with a rotating shaft (42), one end of the rotating shaft (42) is fixedly connected with a chain wheel (46), a motor (41) is further mounted at the top of the furnace body (1), the motor (41) is in transmission connection with the chain wheel (46) through a first chain (43), the top of the sealing plate (2) is connected with a second chain (45), and the outer wall of the rotating shaft (42) is further provided with a chain wheel (46) matched with the second chain (45) for use.

3. The heating furnace for producing the mullite composite brick as claimed in claim 2, wherein: one end of the second chain (45) far away from the sealing plate (2) is connected with a balancing weight (44).

4. The heating furnace for producing the mullite composite brick as claimed in claim 2, wherein: a support rod (7) is arranged between the outer side of the fixed column (3) and the furnace body (1), and the support rod (7) is obliquely arranged.

5. The heating furnace for producing the mullite composite brick as claimed in claim 1, wherein: the furnace body (1) inner wall bottom is provided with track groove (5), furnace body (1) bottom fixedly connected with base (6).

6. The heating furnace for producing the mullite composite brick as claimed in claim 1, wherein: the furnace body (1) top outside is provided with connecting pipe (13) that are used for the heat transfer, and connecting pipe (13) are located the mechanism top that opens and shuts and just communicate with furnace body (1).