CN217900523U

CN217900523U - Environment-friendly energy-saving kiln

Info

Publication number: CN217900523U
Application number: CN202221977211.7U
Authority: CN
Inventors: 张恒
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-11-25
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses an environment-friendly energy-saving kiln, which relates to the field of kilns, and adopts the technical proposal that the kiln comprises a kiln body; a furnace bridge is arranged at the bottom of the furnace body, and a gas burner is arranged below the furnace bridge in the upward direction; a plurality of smoke outlets are distributed on the side wall of the furnace body and communicated to the desulfurizing tower through a flue; the lateral wall of furnace body is provided with the intermediate layer inner chamber, the intermediate layer inner chamber is through inlet tube and outlet pipe and steam drum circulation intercommunication, inlet tube or outlet pipe are provided with the water pump, the steam drum is equipped with the steam pipe, the steam pipe intercommunication to the desulfurizing tower. On one hand, the combustion efficiency of the coal gangue and the utilization rate of the fuel can be improved, and more energy is saved; on the other hand, the flue gas can be better collected, the desulfurization treatment is centralized, and the whole process is more environment-friendly.

Description

Environment-friendly energy-saving kiln

Technical Field

The utility model relates to a kiln field especially relates to an environmental protection and energy saving type kiln.

Background

The kiln is used for sintering various ores, such as coal gangue, the existing kiln is generally in a rectangular structure as shown in figure 2, a flame is provided from the side of the kiln, the ore is gradually sintered downwards, a flue is arranged below the kiln, and the kiln is made of refractory bricks and refractory cotton. The structure has great defects in use, firstly, flame spraying is provided on the side, then, the flue is arranged below, the objective law of combustion is not met, heat generated by combustion floats upwards, so that smoke cannot be discharged from the flue in time, the kiln is of a refractory brick and refractory cotton structure, the sealing performance is poor, the smoke which cannot be discharged from the flue in time can directly permeate the refractory brick and the refractory cotton to be dispersed into air, and the smoke contains a large amount of sulfide, so that the air is seriously polluted.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an environment-friendly energy-saving kiln, which can improve the combustion efficiency of coal gangue and the utilization rate of fuel, and save more energy; on the other hand, the flue gas can be better collected, the desulfurization treatment is centralized, and the whole process is more environment-friendly.

The utility model provides a technical scheme that its technical problem adopted is: an environment-friendly energy-saving kiln comprises a kiln body;

a furnace bridge is arranged at the bottom of the furnace body, and a gas burner is arranged below the furnace bridge in the upward direction;

a plurality of smoke outlets are distributed on the side wall of the furnace body and communicated to the desulfurizing tower through a flue;

the lateral wall of furnace body is provided with the intermediate layer inner chamber, the intermediate layer inner chamber communicates to the steam drum through inlet tube and outlet pipe circulation, inlet tube or outlet pipe are provided with the water pump, the steam drum is equipped with steam pipe and moisturizing pipe, the steam pipe communicates to the desulfurizing tower.

This scheme adopts the below to set up the gas burner, side sets up the distribution mode of exhaust port, adaptation hot gas flow that can be better flows law, make gangue etc. obtain more abundant burning heating by the sinter, improve the utilization ratio and the efficiency of burning, more exhaust ports can make nearby discharge and centralized processing that the flue gas can be better simultaneously, the flue gas enters into the desulfurizing tower from side exhaust port and flue and concentrates desulfurization treatment, then discharge the atmosphere, environmental protection more, utilize the heat of furnace body to the water heating of intermediate layer inner chamber simultaneously, form vapor, vapor passes through steam drum and steam pipe flow direction desulfurizing tower, the department breaks away from the processing to the flue gas at the desulfurizing tower.

Preferably, the furnace body adopts an iron sealing structure. Can improve sealed effect, avoid the flue gas to diffuse outward and directly enter into in the atmosphere.

Preferably, the inner wall of the furnace body is provided with a refractory layer. The fire-resistant effect is improved through the fire-resistant layer.

Preferably, the refractory layer comprises refractory bricks. The fireproof effect is better, the passing cost is lower, and the heat preservation effect is also good.

Preferably, the fire-resistant layer comprises fire-resistant cotton, and the fire-resistant cotton is positioned on the outer layer of the fire-resistant brick. The fire-resistant effect can be further improved.

Preferably, the furnace body adopts a structure with a thick upper part and a thin lower part. Because the gas burner is located the below, coal gangue burns upwards from the gas burner of below a bit, and the while is outdiffusion, and the trend of burning is just more to the upper range big more, consequently adopts the trend that the adaptation coal gangue that the structure of top coarse and bottom thin can be better burns, improves the efficient of burning.

Preferably, the flue is provided with a valve. The on-off of the flue is convenient to adjust along with the progress of coal gangue combustion so as to better discharge the flue gas.

Preferably, the lower part of the desulfurizing tower is communicated with the flue, the upper part of the desulfurizing tower is provided with a steam spray pipe, the steam spray pipe is communicated with the steam pipe, and the top of the desulfurizing tower is provided with an exhaust port. The steam above and the smoke below generate convection, so that the steam and the smoke can be better mixed, and the sulfur in the smoke can be more fully attached and subsided by the water vapor.

The utility model has the advantages that:

by the mode that the side wall of the gas burner is provided with the smoke outlet, on one hand, the combustion efficiency of coal gangue and the utilization rate of fuel can be improved, and more energy is saved; on the other hand, the flue gas can be better collected, the desulfurization treatment is centralized, and the whole process is more environment-friendly.

Drawings

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

FIG. 1 is a schematic structural diagram of the embodiment of the present invention;

FIG. 2 is a schematic diagram of the prior art;

the device comprises a furnace body 1, a gas burner 2, a furnace bridge 3, an exhaust port 4, a valve 5, a flue 6, a fire-resistant layer 7, an exhaust port 8, an interlayer inner cavity 9, a water outlet pipe 10, a water inlet pipe 11, a steam drum 12, a steam pipe 13, a desulfurizing tower 14 and a water replenishing pipe 15.

Detailed Description

In order to deepen the understanding of the present invention, the present invention will be described in further detail with reference to the attached drawings and the embodiment, which is only used to explain the present invention, and is not limited to the protection scope of the present invention.

Examples

As shown in fig. 1, an environment-friendly and energy-saving kiln comprises a kiln body 1.

The bottom of furnace body 1 is provided with grate 3, be provided with gas burner 2 in the grate 3 below.

A plurality of smoke outlets 4 are distributed on the side wall of the furnace body 1, and the smoke outlets 4 are communicated to a desulfurizing tower 14 through a flue 6.

The side wall of the furnace body 1 is provided with an interlayer inner cavity 9, the interlayer inner cavity 9 is circularly communicated to a steam drum 12 through a water inlet pipe 11 and a water outlet pipe 10, the water inlet pipe 11 or the water outlet pipe 10 is provided with a water pump, the steam drum 12 is provided with a steam pipe 13 and a water replenishing pipe 15, and the steam pipe 13 is communicated to a desulfurizing tower 14.

This scheme adopts the below to set up gas burner 2, side sets up the distribution mode of exhaust port 4, adaptation hot gas flow's that can be better law, make gangue etc. obtain more abundant burning heating by the sinter, improve the utilization ratio and the efficiency of burning, exhaust and centralized processing that simultaneously more exhaust ports 4 can make the flue gas can be better, the flue gas enters into desulfurizing tower 14 from side exhaust port 4 and flue 6 and concentrates desulfurization processing, then discharge the atmosphere, more environmental protection, utilize the heat of furnace body to the hydrothermal of intermediate layer inner chamber 9 simultaneously, form vapor, vapor passes through steam pocket 12 and the 13 flow direction desulfurizing tower 14 of steam pipe, 14 department breaks away from the processing to the flue gas at desulfurizing tower. In the present embodiment, the steam drum 12 and the desulfurizing tower 14 are conventional technologies in the field of gas generation, and therefore, the structures thereof are not described herein again.

The furnace body 1 adopts an iron sealing structure. Can improve sealed effect, avoid the flue gas to diffuse outward and directly enter into in the atmosphere.

The inner wall of the furnace body 1 is provided with a refractory layer 7. The fire-resistant effect is improved by the fire-resistant layer 7.

The refractory layer 7 comprises refractory bricks. The fireproof effect is better, the passing cost is lower, and the heat preservation effect is also good.

The fire-resistant layer 7 comprises fire-resistant cotton, and the fire-resistant cotton is positioned on the outer layer of the fire-resistant brick. The fire-resistant effect can be further improved.

The furnace body 1 adopts a structure with a thick upper part and a thin lower part. Because the gas burner 2 is located the below, coal gangue from the gas burner 2 of below a bit upwards burning, simultaneously outdiffusion, the trend of burning is just more the range is bigger more, consequently adopt the trend that the structure of top coarse and bottom fine can better adaptation coal gangue burning, improve the efficient of burning.

The flue 6 is provided with a valve 5. The on-off of the flue 6 is convenient to adjust along with the burning progress of the coal gangue, so that the flue gas can be discharged better.

The lower part of the desulfurizing tower 14 is communicated with the flue 6, the upper part of the desulfurizing tower 14 is provided with a steam spray pipe, the steam spray pipe is communicated with the steam pipe 13, and the top of the desulfurizing tower 14 is provided with an exhaust port 8. The steam above and the smoke below generate convection, so that the steam and the smoke can be better mixed, and the sulfur in the smoke can be more fully attached and subsided by the water vapor.

The utility model has the advantages that:

by the mode that the side wall of the gas burner 2 is provided with the smoke outlet 4, on one hand, the combustion efficiency of coal gangue and the utilization rate of fuel can be improved, and more energy is saved; on the other hand, the flue gas can be better collected, the desulfurization treatment is centralized, and the whole process is more environment-friendly.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An environment-friendly energy-saving kiln is characterized by comprising a kiln body (1);

a furnace bridge (3) is arranged at the bottom of the furnace body (1), and a gas burner (2) is arranged below the furnace bridge (3) in the upward direction;

a plurality of smoke outlets (4) are distributed on the side wall of the furnace body (1), and the smoke outlets (4) are communicated to a desulfurizing tower (14) through a flue (6);

the side wall of the furnace body (1) is provided with an interlayer inner cavity (9), the interlayer inner cavity (9) is communicated to a steam drum (12) in a circulating mode through a water inlet pipe (11) and a water outlet pipe (10), a water pump is arranged on the water inlet pipe (11) or the water outlet pipe (10), the steam drum (12) is provided with a steam pipe (13) and a water replenishing pipe (15), and the steam pipe (13) is communicated to a desulfurization tower (14).

2. The environment-friendly energy-saving kiln as claimed in claim 1, wherein: the furnace body (1) adopts an iron sealing structure.

3. The environment-friendly energy-saving kiln as claimed in claim 1, wherein: the inner wall of the furnace body (1) is provided with a fireproof layer (7).

4. An environment-friendly energy-saving kiln as claimed in claim 3, wherein: the refractory layer (7) comprises refractory bricks.

5. An environment-friendly energy-saving kiln as claimed in claim 4, wherein: the fire-resistant layer (7) comprises fire-resistant cotton, and the fire-resistant cotton is positioned on the outer layer of the fire-resistant brick.

6. The environment-friendly energy-saving kiln as claimed in claim 1, wherein: the furnace body (1) adopts a structure with a thick upper part and a thin lower part.

7. The environment-friendly energy-saving kiln as claimed in claim 1, wherein: the flue (6) is provided with a valve (5).

8. The environment-friendly energy-saving kiln as claimed in claim 1, wherein: the lower part of the desulfurizing tower (14) is communicated with the flue (6), the upper part of the desulfurizing tower (14) is provided with a steam spray pipe, the steam spray pipe is communicated with the steam pipe (13), and the top of the desulfurizing tower (14) is provided with an exhaust port (8).