CN215176860U

CN215176860U - Energy-saving tunnel kiln

Info

Publication number: CN215176860U
Application number: CN202121126653.6U
Authority: CN
Inventors: 谭思嘉
Original assignee: Ziyang Jinggong Mechanics Co ltd
Current assignee: Ziyang Jinggong Mechanics Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-12-14
Anticipated expiration: 2031-05-25

Abstract

The utility model provides an energy-conserving tunnel cave relates to tunnel cave technical field. The utility model discloses a basis, be equipped with oven and the kiln body on the basis, be equipped with the vent on the oven, the vent tip is equipped with the baffle, the kiln body is including locating the kiln wall on the basis, the inside heat transfer cavity that is equipped with of kiln wall, be equipped with the exhaust cavity in the casing of oven, be equipped with the second circulating pipe intercommunication between heat transfer cavity and the exhaust cavity, be equipped with first circulating pipe intercommunication between heat transfer cavity and the oven inside, be equipped with catch water on the first circulating pipe, be equipped with the draught fan on the second circulating pipe, be equipped with a plurality of gas-supply pipes that communicate with the exhaust cavity on the inner wall of oven casing.

Description

Energy-saving tunnel kiln

Technical Field

The utility model relates to a tunnel cave technical field, concretely relates to energy-conserving tunnel cave.

Background

The tunnel kiln is a kiln similar to a tunnel and internally provided with delivery vehicles such as kiln cars and the like, built by refractory materials, heat insulation materials and building materials, and is modern continuous-firing thermal equipment. The tunnel kiln is widely used for roasting production of ceramic products and also has application in metallurgical industries such as grinding materials and the like.

At present, after the tunnel kiln is operated, the natural cooling time is long, the natural cooling efficiency is low, and a large amount of heat in the kiln body is lost without being utilized, so that energy waste is caused.

Disclosure of Invention

The utility model aims at developing an energy-saving tunnel kiln which introduces heat in a kiln body into an oven through airflow and is used for drying operation and can enhance the cooling efficiency of the kiln body.

The utility model discloses a following technical scheme realizes:

energy-conserving tunnel cave, including the basis, be equipped with oven and the kiln body on the basis, be equipped with the vent on the oven, the vent tip is equipped with the baffle, the kiln body is including locating the kiln wall on the basis, the inside heat transfer cavity that is equipped with of kiln wall, be equipped with the exhaust cavity in the casing of oven, be equipped with the second circulating pipe intercommunication between heat transfer cavity and the exhaust cavity, be equipped with first circulating pipe intercommunication between heat transfer cavity and the oven inside, be equipped with catch water on the first circulating pipe, be equipped with the draught fan on the second circulating pipe, be equipped with a plurality of gas-supply pipes that communicate with the exhaust cavity on the inner wall of oven casing.

Optionally, the kiln wall sequentially comprises an inner wall body, a heat insulation wall body and an outer wall body from inside to outside.

Optionally, the outer wall and the inner wall are of brick wall structures.

Optionally, the heat-insulating wall body is a perlite heat-insulating brick.

Optionally, the heat exchange cavity is disposed in the inner wall.

Optionally, a plurality of support rods are arranged in the heat exchange cavity, and two ends of each support rod are respectively connected with the inner wall of the heat exchange cavity.

Optionally, a plurality of supporting rods are arranged in the exhaust cavity, and two ends of each supporting rod are connected with the inner wall of the exhaust cavity respectively.

Optionally, the gas transmission pipes are arranged in a matrix and uniformly distributed on the inner wall of the oven shell.

Optionally, the kiln body further comprises a kiln top arranged at the top of the kiln wall, and refractory layers are arranged on the inner wall of the kiln wall and the bottom of the kiln top.

The utility model has the advantages that:

the utility model discloses make full use of the heat that the kiln body produced when moving, it uses the stoving operation of oven for it, the utilization ratio of the energy has been improved, air in the environment is by the heat transfer in the vent gets into the heat transfer cavity, the cooling efficiency of the kiln body has been strengthened, and set up inside the gas-supply pipe that the exhaust cavity in the oven casing and a plurality of even settings made high-temperature gas evenly get into the oven, make the temperature in the oven even, prevent that the local difference in temperature is too high, the efficiency of stoving operation has not only been improved, and the quality of stoving operation has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a view of the structure of the present invention;

FIG. 2 is a diagram of a heat exchange cavity;

fig. 3 is a view showing the structure of the exhaust cavity.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art can appreciate, the described embodiments may be modified in various different ways, without departing from the spirit or scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present invention.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-3, the utility model discloses an energy-conserving tunnel cave, including basis 1, be equipped with oven 3 and the kiln body 2 on the basis 1, be equipped with vent 31 on the oven 3, vent 31 tip is equipped with baffle 32, the kiln body 2 is including locating kiln wall 21 on the basis 1, the inside heat transfer cavity 2111 that is equipped with of kiln wall 21, be equipped with exhaust cavity 33 in the casing of oven 3, be equipped with second circulating pipe intercommunication between heat transfer cavity 2111 and the exhaust cavity 33, be equipped with first circulating pipe intercommunication between heat transfer cavity 2111 and the oven 3 is inside, be equipped with catch water on the first circulating pipe, be equipped with the draught fan on the second circulating pipe, be equipped with a plurality of gas-supply pipes 34 with exhaust cavity 33 intercommunication on the inner wall of oven 3 casings.

In one embodiment of the application, a kiln body 2 and an oven 3 are arranged on a foundation 1, the kiln body 2 comprises a kiln wall 21 arranged on the foundation 1, a kiln top 22 is arranged at the top of the kiln wall 21, and a refractory layer 4 is arranged on the inner wall of the kiln wall 21 and the bottom of the kiln top 22.

The kiln wall 21 sequentially comprises three structural layers, namely an inner wall 211, a heat-insulating wall 212 and an outer wall 213 from inside to outside. A heat exchange cavity 2111 is arranged in the inner wall 211, a plurality of support rods 2112 are arranged in the heat exchange cavity 2111, the support rods 2112 are horizontally arranged in the heat exchange cavity 2111, and two ends of each support rod 2112 are respectively connected with the inner wall 211 on the inner wall of the heat exchange cavity 2111.

When the kiln body 2 operates, high temperature in the kiln body 2 is transferred into the heat exchange cavity 2111 to heat air in the heat exchange cavity 2111, and the stay bars 2112 enhance the structural strength and structural stability of the heat exchange cavity 2111, so that the heat exchange cavity 2111 is prevented from being arranged in the inner wall 211 to reduce the structural strength and structural stability of the inner wall.

The outer wall 213 and the inner wall 211 are both brick wall structures, and the thermal insulation wall 212 is a perlite thermal insulation brick.

The top of the oven 3 is provided with a vent 31 communicated with the inside, and the top end of the vent 31 is provided with a baffle 32 capable of plugging the vent.

Be equipped with exhaust cavity 33 in oven 3's the casing, be equipped with a plurality of branches 35 in the exhaust cavity 33, branch 35 both ends are connected with the oven 3 casing of exhaust cavity 33 inner wall respectively, and branch 35 strengthens exhaust cavity 33's structural strength and structural stability, prevents that oven 3 casing from reducing its structural strength and structural stability because of setting up exhaust cavity 33.

Be equipped with a plurality of gas-supply pipes 34 on the inner wall of oven 3 casing, a plurality of gas-supply pipes 34 are the matrix arrangement, evenly distributed on oven 3 casing inner wall, and gas-supply pipe 34 and exhaust cavity 33 intercommunication make exhaust cavity 33 and oven 3 inside intercommunication through gas-supply pipe 34.

The side surface of the upper part of the oven 3 is provided with a first circulating pipe, two ends of the first circulating pipe respectively extend into the kiln wall 21 and the shell of the oven 3, one end of the first circulating pipe is communicated with the inside of the oven 3, the other end of the first circulating pipe is communicated with the heat exchange cavity 2111, and the first circulating pipe is provided with a steam-water separator.

The side surface of the lower part of the oven 3 is provided with a second circulating pipe, and two ends of the second circulating pipe also extend into the kiln wall 21 and the shell of the oven 3 respectively. One end of the second circulating pipe extends into the shell of the oven 3 and is communicated with the exhaust cavity 33, the other end of the second circulating pipe is communicated with the heat exchange cavity 2111, and a draught fan is arranged on the second circulating pipe.

When the kiln body 2 operates, the air heat exchange in the heat exchange cavity 2111 has high temperature, the induced draft fan leads the high-temperature air in the heat exchange cavity 2111 into the exhaust cavity 33 arranged in the shell of the oven 3 through the second circulating pipe, and the high-temperature air in the exhaust cavity 33 is discharged by the plurality of uniformly arranged air conveying pipes 34, so that the high-temperature air uniformly enters the oven 3. The water vapor generated in the drying operation in the oven 3 enters the first circulating pipe along with the air after heat exchange, the air passes through the steam-water separator and then enters the heat exchange cavity 2111 through the first circulating pipe, the air is subjected to heat exchange in the heat exchange cavity 2111 and then enters the oven 3 through the second circulating pipe, the water separated in the steam-water separator is discharged from the drain pipe at the bottom, and the water vapor can also be discharged through the vent 31 at the top of the oven 3. When the kiln body 2 finishes the operation and needs to be cooled, the vent 31 can be opened, so that outside cold air enters the oven 3 through the vent 31 and then enters the heat exchange cavity 2111 through the first circulating pipe to cool the kiln body 2, and the cooling efficiency of the kiln body 2 is improved.

The utility model discloses make full use of the heat that produces when the kiln body 2 moves, it uses for the stoving operation of oven 3, has improved the utilization ratio of the energy to set up inside exhaust cavity 33 and the gas-supply pipe 34 of a plurality of even settings in the 3 casings of oven make high-temperature gas evenly get into oven 3, make temperature even in the oven 3, prevent that the local difference in temperature from appearing too high, not only improved the efficiency of stoving operation, and improved the quality of stoving operation.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and is not to the limitation of the technical solution of the present invention, as long as the technical solution can be realized on the basis of the above-mentioned embodiment without creative work, all should be regarded as falling into the protection scope of the right of the present invention.

Claims

1. Energy-conserving tunnel cave, its characterized in that includes:

a foundation;

the kiln body is arranged on the foundation;

the oven is arranged on the foundation;

the ventilation opening is arranged on the oven, and a baffle is arranged at the end part of the ventilation opening;

the kiln body is including locating the kiln wall on the basis, the inside heat transfer cavity that is equipped with of kiln wall, be equipped with the exhaust cavity in the casing of oven, be equipped with the second circulating pipe intercommunication between heat transfer cavity and the exhaust cavity, be equipped with first circulating pipe intercommunication between heat transfer cavity and the oven inside, be equipped with catch water on the first circulating pipe, be equipped with the draught fan on the second circulating pipe, be equipped with a plurality of gas-supply pipes that communicate with the exhaust cavity on the inner wall of oven casing.

2. The energy-saving tunnel kiln of claim 1, wherein the kiln wall comprises three structural layers of an inner wall body, a heat-insulating wall body and an outer wall body from inside to outside in sequence.

3. The energy-saving tunnel kiln of claim 2, wherein the outer wall and the inner wall are of brick wall structure.

4. The energy-saving tunnel kiln of claim 2, wherein the thermal insulation wall is perlite thermal insulation bricks.

5. The energy-saving tunnel kiln of claim 2, wherein the heat exchange cavity is disposed in the inner wall.

6. The energy-saving tunnel kiln of claim 1, wherein a plurality of support rods are arranged in the heat exchange cavity, and two ends of each support rod are respectively connected with the inner wall of the heat exchange cavity.

7. The energy-saving tunnel kiln of claim 1, wherein a plurality of support rods are arranged in the exhaust cavity, and both ends of each support rod are respectively connected with the inner wall of the exhaust cavity.

8. The energy-saving tunnel kiln as claimed in claim 1, wherein the gas transmission pipes are arranged in a matrix and uniformly distributed on the inner wall of the oven shell.

9. The energy-saving tunnel kiln as claimed in claim 1, wherein the kiln body further comprises a kiln top arranged at the top of the kiln wall, and the inner wall of the kiln wall and the bottom of the kiln top are provided with refractory layers.