CN214172867U

CN214172867U - Emission reduction type drying kiln combustion device

Info

Publication number: CN214172867U
Application number: CN202023174761.9U
Authority: CN
Inventors: 杨春涛; 刘丰海; 张建民; 陈星文
Original assignee: Ningxia Jinhua Chemical Co ltd
Current assignee: Ningxia Jinhua Chemical Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-09-10
Anticipated expiration: 2030-12-25

Abstract

The application discloses emission reduction type drying kiln burner includes: the hydrogen cabinet, the drying kiln, the one end of drying kiln is provided with the burning chamber, the intercommunication has combustion-supporting chamber on the burning chamber, combustion-supporting chamber has the fan through the blast pipe intercommunication, the hydrogen is connected with the outlet duct on the cabinet, be provided with spark arrester and valve on the outlet duct, the left end of outlet duct is connected with the recovery tube that the slope set up, the left end of recovery tube is connected with the water sealed tank, still be connected with the induction-pipe on the water sealed tank, be provided with the combustor on the induction-pipe, induction-pipe and burning chamber intercommunication, be provided with first gas flowmeter on the induction-pipe, be provided with second gas flowmeter on the blast pipe. The drying kiln combustion device solves the problem that harmful gases such as carbon monoxide and sulfur dioxide generated after coal combustion pollute the environment after being discharged.

Description

Emission reduction type drying kiln combustion device

Technical Field

The application relates to the technical field of drying kilns, in particular to an emission reduction type drying kiln combustion device.

Background

The drying kiln is a large-scale drying device used in industrial production, and has wide application in the production of cement industry, metallurgical industry, wood drying, brick and tile drying and the like. The reaction temperature of the kiln body is higher in the production process of the drying kiln, and more heat energy is needed. Coal is used as fuel in many drying kilns at present, and although coal is the most commonly used fuel, harmful gases such as carbon monoxide and sulfur dioxide generated after coal combustion pollute the environment after being discharged. Hydrogen is the gas with the lowest known density in the world, and is extremely easy to combust at normal temperature and normal pressure. Colorless and transparent, odorless and tasteless, and insoluble in water.

Therefore, hydrogen is used as a fuel for a drying kiln, so that the emission of harmful gases such as carbon monoxide and sulfur dioxide is reduced, and the environmental pollution is avoided.

SUMMERY OF THE UTILITY MODEL

The application provides an emission reduction type drying kiln burner has solved how to reduce harmful gas emissions such as carbon monoxide, sulfur dioxide, regards hydrogen as the fuel of drying kiln, avoids causing the problem of pollution to the environment.

In order to solve the technical problem, the application provides an emission reduction type drying kiln burner, includes: hydrogen cabinet, drying kiln's one end is provided with the burning chamber, the intercommunication has combustion-supporting chamber on the burning chamber, combustion-supporting chamber has the fan through the blast pipe intercommunication, the hydrogen is connected with the outlet duct on the cabinet, be provided with spark arrester and valve on the outlet duct, the left end of outlet duct is connected with the recovery tube that the slope set up, the left end of recovery tube is connected with the water sealed tank, still be connected with the air supply pipe on the water sealed tank, be provided with the combustor on the air supply pipe, the air supply pipe with burning chamber intercommunication, be provided with first gas flowmeter on the air supply pipe, be provided with second gas flowmeter on the blast pipe.

Further, a support is arranged below the hydrogen tank.

Further, the gradient of inclination of the recovery pipe is 3% -5%.

Furthermore, an observation window is arranged on the drying kiln.

Further, the volume of the hydrogen tank is 700m³。

Further, the power of fan is 7.5 KW.

Furthermore, the burner also comprises an automatic control instrument arranged on the burner.

Furthermore, a heat insulation layer is arranged on the recovery pipe.

Compare in prior art, this application provides an emission reduction type drying kiln burner, includes: the hydrogen cabinet, the drying kiln, the one end of drying kiln is provided with the burning chamber, the intercommunication has combustion-supporting chamber on the burning chamber, combustion-supporting chamber has the fan through the blast pipe intercommunication, the hydrogen is connected with the outlet duct on the cabinet, be provided with spark arrester and valve on the outlet duct, the left end of outlet duct is connected with the recovery tube that the slope set up, the left end of recovery tube is connected with the water sealed tank, still be connected with the induction-pipe on the water sealed tank, be provided with the combustor on the induction-pipe, induction-pipe and burning chamber intercommunication, be provided with first gas flowmeter on the induction-pipe, be provided with second gas flowmeter on the blast pipe.

This drying kiln burner carries the hydrogen in the hydrogen cabinet to the combustion chamber and takes place the reaction with oxygen, and the heat after the burning can be to the drying kiln heating. Therefore, the drying kiln combustion device is simple in structure, convenient to install and good in drying effect. Compared with the mode of coal combustion, the method reduces the emission of harmful gases such as carbon monoxide and sulfur dioxide, and does not cause pollution to the environment.

Drawings

In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments are briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without making any inventive changes.

Fig. 1 is a schematic structural view of a combustion device of a drying kiln provided by an embodiment of the present invention.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.

The core of this application is to provide an emission reduction type drying kiln burner, harmful gas emission such as carbon monoxide, sulfur dioxide that can reduce coal burning back production, regard hydrogen as the fuel of drying kiln, avoid causing the problem of pollution to the environment.

Fig. 1 is a schematic structural view of a combustion device of a drying kiln provided by an embodiment of the present invention. As shown in fig. 1, includes: the hydrogen gas cabinet 01, the drying kiln 02, the one end of drying kiln 02 is provided with burning chamber 21, it has combustion-supporting chamber 03 to communicate on the burning chamber 21, combustion-supporting chamber 03 has fan 32 through blast pipe 31 intercommunication, be connected with outlet duct 11 on the hydrogen gas cabinet 01, be provided with spark arrester 12 and valve 13 on the outlet duct 11, the left end of outlet duct 11 is connected with the recovery tube 04 that the slope set up, the left end of recovery tube 04 is connected with water seal groove 05, still be connected with the blast pipe 06 on the water seal groove 05, be provided with combustor 61 on the blast pipe 06, the blast pipe 06 communicates with burning chamber 21, be provided with first gas flowmeter 62 on the blast pipe 06, be provided with second gas flowmeter 311 on the blast pipe 31.

Specifically, the pressure of the hydrogen tank 01 itself is: 5000 Pa. The calorific value of hydrogen is 1.43x10^8J/kg ^ 14235kJ/kg ^ 34007.65 kcal; the molar mass of hydrogen was 2g/mol and 1mol of hydrogen was 22.4L. The hydrogen combustion amount per hour was about 11.2 cubic meters. To satisfy the usage amount, further, the volume of the hydrogen tank 01 is 700m 3. In consideration of stability of the hydrogen gas tank 01, further, a support 14 is provided below the hydrogen gas tank 01. The water seal tank 05 can be arranged to discharge condensed water in the pipeline. The working principle of the water seal tank 05 is the prior art, and is not described herein. For convenience of installation, furthermore, the gradient of inclination of the recovery pipe 04 is 3% to 5%. The hydrogen gas reacts with the oxygen gas through the burner 61 provided in the gas supply pipe 06. The working principle of the burner 61 is the prior art, and the burner comprises a pipeline main manual valve 615, a manual main valve 612, a pneumatic main valve 611, an emptying valve 614, a pneumatic main valve 613 and other valve bodies, so that the hydrogen and the oxygen are mixed and combusted. For monitoring, an autonomous meter 611 disposed on the burner 61 is further included. The addition of the automatic control instrument 611 facilitates monitoring and observation by workers.

Specifically, the blower 32 communicated with the combustion-supporting cavity 03 can increase the oxygen delivery amount and assist combustion. The first gas flowmeter 62 and the second gas flowmeter 311 which are arranged on the air supply pipe 06 and the air supply pipe 31 can detect gas, so that the real-time monitoring of workers is facilitated. For convenient observation, the drying kiln 02 is further provided with an observation window 22. Meanwhile, in view of convenience and practicality, further, the power of the fan 32 is 7.5 KW. In order to keep the recovery pipe 04 warm, a heat-insulating layer is further provided on the recovery pipe 04. The heat preservation layer can be arranged by wrapping heat preservation cotton or heat preservation cloth and the like.

In the description of the application, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the application.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice in the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The above-described embodiments of the present application do not limit the scope of the present application.

Claims

1. An emission reduction type drying kiln combustion device is characterized by comprising: hydrogen cabinet, drying kiln's one end is provided with the burning chamber, the intercommunication has combustion-supporting chamber on the burning chamber, combustion-supporting chamber has the fan through the blast pipe intercommunication, the hydrogen is connected with the outlet duct on the cabinet, be provided with spark arrester and valve on the outlet duct, the left end of outlet duct is connected with the recovery tube that the slope set up, the left end of recovery tube is connected with the water sealed tank, still be connected with the air supply pipe on the water sealed tank, be provided with the combustor on the air supply pipe, the air supply pipe with burning chamber intercommunication, be provided with first gas flowmeter on the air supply pipe, be provided with second gas flowmeter on the blast pipe.

2. The emission reduction type drying kiln combustion device as claimed in claim 1, wherein a support is arranged below the hydrogen tank.

3. The emission reduction type drying kiln combustion device as defined in claim 1, wherein the inclination of the recovery pipe is 3% to 5%.

4. The emission reduction kiln combustion device as set forth in claim 1, wherein the kiln is provided with an observation window.

5. The emission reduction type drying kiln combustion device as defined in claim 1, wherein the volume of the hydrogen tank is 700m³。

6. The emission reduction kiln combustion device as defined in claim 1, wherein the fan has a power of 7.5 KW.

7. The emission reduction type drying kiln combustion device as defined in claim 1, further comprising an automatic control instrument disposed on the burner.

8. The emission reduction type drying kiln combustion device as claimed in claim 1, wherein the recovery pipe is provided with an insulating layer.