A methanol reforming hydrogen production burner

Abstract

The invention discloses a methanol reforming hydrogen production burner, comprising: a cylinder, a hydrogen inlet pipe, an air inlet pipe, a methanol liquid inlet pipe, a drain pipe and a plurality of igniters; the cylinder comprises an outer cylinder and an inner cylinder nested on the inner wall of the outer cylinder, the bottom of the outer cylinder is closed and the top is open; the bottom end of the cylinder is respectively provided with a hydrogen inlet, an air inlet, a methanol liquid inlet and a drain port; the outlet end of the hydrogen inlet pipe extends into the cavity of the cylinder through the hydrogen inlet, and the outlet end of the hydrogen inlet pipe is arranged at the top of the cavity of the cylinder; the outlet end of the air inlet pipe extends into the cavity of the cylinder through the air inlet; the methanol liquid inlet pipe extends into the cavity of the cylinder through the methanol liquid inlet, and the drain pipe extends into the cavity of the cylinder through the drain port; the ignition device is outside the top end of the cylinder, and the ignition end of the ignition device is arranged above the outlet end of the hydrogen inlet pipe. The embodiment of the invention has a simple structure and can effectively improve the combustion efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of fuel cells, and in particular to a methanol reforming hydrogen production burner. Background Art

[0002] In recent years, my country's economy has grown rapidly, and humans are facing the dual pressures of environmental pollution and energy shortage. Methanol, as a new pollution-free clean fuel, has broad prospects in the fuel field, and the application of methanol reforming hydrogen production burners is becoming more and more extensive. However, the existing methanol reforming hydrogen production burners have the problems of complex structure and poor combustion efficiency. Summary of the invention

[0003] In order to overcome the defects of the prior art, the present invention provides a methanol reforming hydrogen production burner to solve the technical problems that the existing methanol reforming hydrogen production burner has an overly complex structure and poor combustion efficiency.

[0004] In order to solve the above technical problems, the present invention provides a methanol reforming hydrogen production burner, comprising: a cylinder, a hydrogen inlet pipe, an air inlet pipe, a methanol liquid inlet pipe, a drain pipe and a plurality of igniters;

[0005] The cylinder body comprises an outer cylinder and an inner cylinder nested on the inner wall of the outer cylinder, wherein the bottom of the outer cylinder is closed and the top is open;

[0006] The bottom end of the cylinder is respectively provided with a hydrogen inlet, an air inlet, a methanol liquid inlet and a drain port; the outlet end of the hydrogen inlet pipe extends into the cavity of the cylinder through the hydrogen inlet, and the outlet end of the hydrogen inlet pipe is arranged at the top of the cavity of the cylinder; the outlet end of the air inlet pipe extends into the cavity of the cylinder through the air inlet; the methanol liquid inlet pipe extends into the cavity of the cylinder through the methanol liquid inlet, and the drain pipe extends into the cavity of the cylinder through the drain port;

[0007] The ignition device is located outside the top end of the cylinder, and the ignition end of the ignition device is arranged above the outlet end of the hydrogen inlet pipe.

[0008] Furthermore, a fire protection ring is provided at the top of the cylinder.

[0009] Furthermore, the burner also includes a concentric tube, which is vertically arranged in the cavity of the inner tube, and a concentric tube upper cover is arranged on the top of the concentric tube, and a concentric tube lower cover is arranged on the bottom of the concentric tube.

[0010] Furthermore, the burner also includes a bottom plate, and the bottom plate is arranged at the bottom of the cylinder.

[0011] Further, the ignition device includes an ignition electrode ceramic tube and a fire starter rod connected to the ignition electrode ceramic tube.

[0012] Further, a plurality of the ignition devices are connected to the outer side of the top end of the cylinder body by threads.

[0013] The present invention provides a burner. By providing a methanol inlet and a hydrogen inlet at the bottom end of the cylinder body of the burner, the hydrogen inlet pipe and the methanol inlet pipe can respectively extend into the cavity of the cylinder body. When the burner works, it can not only realize the free switching between the combustion of methanol solution and the combustion of hydrogen, but also realize the stable combustion of methanol solution and hydrogen at the same time, which is beneficial to improving the combustion efficiency and the structure of the burner is simple. Description of the Drawings

[0014] Figure 1 is an exploded view of the structure of a methanol reforming hydrogen production burner in an embodiment of the present invention;

[0015] Figure 2 is an assembled view of the structure of a methanol reforming hydrogen production burner in an embodiment of the present invention.

[0016] Among them, the reference numerals in the drawings of the specification are as follows:

[0017] 1: fire protection ring; 2: inner cylinder cover; 3: inner cylinder; 4: outer cylinder; 5: hydrogen inlet pipe; 6: air inlet pipe; 7: bottom plate; 8: methanol inlet pipe; 9: drain pipe; 10: igniter; 11: concentric pipe upper cover; 12: concentric pipe; 13: concentric pipe lower cover. Detailed Embodiments

[0018] Next, the technical solutions in the present invention will be clearly and completely described in conjunction with the drawings in the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] In the description of the present application, it should be understood that the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, unless otherwise specified, the meaning of "a plurality" is two or more.

[0020] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0021] See also Figure 1-2 The embodiment of the present invention provides a methanol reforming hydrogen production burner, comprising:

[0022] Cylinder, hydrogen inlet pipe 5, air inlet pipe 6, methanol inlet pipe 8, drain pipe 9 and several igniters 10;

[0023] The cylinder body comprises an outer cylinder 4 and an inner cylinder 3 nested on the inner wall of the outer cylinder 4, the outer cylinder 4 is closed at the bottom and open at the top; an inner cylinder cover 2 is provided at the top of the inner cylinder 3;

[0024] The bottom end of the cylinder is respectively provided with a hydrogen inlet, an air inlet, a methanol inlet and a drain port; the outlet end of the hydrogen inlet pipe 5 extends into the cavity of the cylinder through the hydrogen inlet, and the outlet end of the hydrogen inlet pipe 5 is arranged at the top of the cavity of the cylinder; the outlet end of the air inlet pipe 6 extends into the cavity of the cylinder through the air inlet; the methanol inlet pipe 8 extends into the cavity of the cylinder through the methanol inlet, and the drain pipe 9 extends into the cavity of the cylinder through the drain port;

[0025] The igniter 10 is outside the top end of the cylinder, and the igniter end of the igniter 10 is arranged above the outlet end of the hydrogen inlet pipe 5 .

[0026] In a specific implementation of the embodiment of the present invention, after the methanol-water fuel enters the burner, an annular disc-shaped dot-ring type liquid is discharged, and air enters the cavity of the cylinder through the air intake pipe 6, and is fully in contact and mixed with the methanol-water fuel, which is beneficial to improving the combustion efficiency of the burner; the igniter 10 is arranged above the outlet end of the hydrogen intake pipe 5, so that the hydrogen in the hydrogen intake pipe 5 is more conducive to contacting the ignition end of the igniter 10, accelerating the ignition process, thereby helping to improve the combustion efficiency of the burner.

[0027] In the embodiment of the present invention, a methanol liquid inlet and a hydrogen gas inlet are arranged at the bottom end of the cylinder of the burner, so that the hydrogen gas inlet pipe 5 and the methanol liquid inlet pipe 8 can be respectively extended into the cavity of the cylinder. When the burner is working, not only can the free switching between the combustion of methanol solution and the combustion of hydrogen be achieved, but also the stable combustion of methanol solution and hydrogen can be achieved at the same time, which is beneficial to improving the combustion efficiency and the structure of the burner is simple.

[0028] As a specific implementation manner of the embodiment of the present invention, a fire protection ring 1 is further provided at the top end of the cylinder body.

[0029] In the embodiment of the present invention, by providing a fire protection ring 1 at the top end of the cylinder body, the diffusion of the internal flame of the burner during combustion is avoided, thereby improving the combustion efficiency and combustion stability of the internal flame of the burner.

[0030] As a specific implementation manner of the embodiment of the present invention, the burner further includes a concentric tube 12, the concentric tube 12 is vertically arranged in the cavity of the inner cylinder 3, and a concentric tube upper cover 11 is provided at the top of the concentric tube 12, and a concentric tube lower cover 13 is provided at the bottom of the concentric tube 12.

[0031] In the embodiment of the present invention, the concentric tube 12 is vertically arranged in the cavity of the inner cylinder 3, and the outlet end of the hydrogen inlet pipe 5 is arranged in the cavity of the concentric tube 12, so as to isolate the methanol combustion and hydrogen combustion in the burner, which is beneficial to improving the stability of the burner during combustion.

[0032] As a specific implementation manner of the embodiment of the present invention, the burner further includes a bottom plate 7, and the bottom plate 7 is arranged at the bottom of the cylinder body.

[0033] In the embodiment of the present invention, by providing a bottom plate 7 at the bottom of the burner, it is beneficial to improve the stability of the position of the burner.

[0034] As a specific implementation manner of the embodiment of the present invention, the igniter 10 includes an ignition electrode ceramic tube and a pilot rod connected to the ignition electrode ceramic tube.

[0035] In the embodiment of the present invention, the ignition electrode ceramic tube and the pilot rod are connected to form an ignition rod, and the end of the ignition rod is arranged above the outlet end of the hydrogen inlet pipe 5, so that the hydrogen in the hydrogen inlet pipe 5 is more conducive to contacting the ignition rod, accelerating the ignition process, and thus being beneficial to improving the combustion efficiency of the burner.

[0036] As a specific implementation manner of the embodiment of the present invention, a plurality of igniters 10 are connected to the outer side of the top end of the cylinder body by threads.

[0037] In the embodiment of the present invention, a locking nut is fixedly arranged on the upper part of the igniter 10, and the igniter 10 is fixed to the outer side of the top end of the cylinder body by matching the locking nut with the threaded end arranged on the outer side of the top end of the cylinder body.

[0038] In summary, implementing the embodiments of the present invention has the following beneficial effects:

[0039] In an embodiment of the present invention, a methanol inlet and a hydrogen inlet are provided at the bottom end of the cylinder body of the burner, so that the hydrogen inlet pipe 5 and the methanol inlet pipe 8 can respectively extend into the cavity of the cylinder body. When the burner is working, it can not only realize the free switching between the combustion of the methanol solution and the combustion of hydrogen, but also realize the stable combustion of the methanol solution and hydrogen at the same time, which is beneficial to improving the combustion efficiency and the structure of the burner is simple.

[0040] Furthermore, a fire protection ring 1 is provided at the top end of the cylinder body, which can effectively prevent the internal flame of the burner from spreading during combustion, thereby improving the combustion efficiency and combustion stability of the internal flame of the burner.

[0041] The above is the preferred embodiment of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements can be made, and these improvements and refinements are also regarded as the protection scope of the present invention.

Claims

1. A methanol reforming hydrogen production burner, It is characterized in that include: The cylinder, hydrogen inlet pipe, air inlet pipe, methanol inlet pipe, drain pipe, concentric pipe and several igniters; The cylinder body comprises an outer cylinder and an inner cylinder nested on the inner wall of the outer cylinder, wherein the bottom of the outer cylinder is closed and the top is open; The bottom end of the cylinder is respectively provided with a hydrogen inlet, an air inlet, a methanol liquid inlet and a drain port; the outlet end of the hydrogen inlet pipe extends into the cavity of the cylinder through the hydrogen inlet, and the outlet end of the hydrogen inlet pipe is arranged at the top of the cavity of the cylinder; the outlet end of the air inlet pipe extends into the cavity of the cylinder through the air inlet; the methanol liquid inlet pipe extends into the cavity of the cylinder through the methanol liquid inlet, so that the air entering through the air inlet pipe contacts and mixes with the methanol-water fuel entering through the methanol liquid inlet pipe; The drain pipe extends into the cavity of the cylinder through the drain port; The igniter is arranged outside the top end of the cylinder, and the ignition end of the igniter is arranged above the outlet end of the hydrogen inlet pipe; The concentric tubes are vertically arranged in the cavity of the inner tube, and a concentric tube upper cover is arranged on the top of the concentric tubes, and a concentric tube lower cover is arranged on the bottom of the concentric tubes; the outlet end of the hydrogen inlet pipe is arranged in the cavity of the concentric tubes, so as to isolate the methanol water fuel combustion and hydrogen combustion in the methanol reforming hydrogen production burner.

2. The methanol reforming hydrogen production burner according to claim 1, It is characterized in that A fire protection ring is also arranged on the top of the cylinder.

3. The methanol reforming hydrogen production burner according to claim 1, It is characterized in that It also includes a bottom plate, which is arranged at the bottom of the cylinder.

4. The methanol reforming hydrogen production burner according to claim 1, It is characterized in that The igniter comprises an ignition electrode ceramic tube and an ignition rod connected to the ignition electrode ceramic tube.

5. The methanol reforming hydrogen production burner according to claim 1, It is characterized in that A plurality of igniters are connected to the outer side of the top end of the cylinder through threads.

Images