Tailor-welded furnace end

Abstract

The utility model discloses a tailor-welded furnace end which comprises a small injection pipe (1), a large injection pipe (2), a water disc surface (7) and a combustion chamber (8), and the rear end of the small injection pipe (1) is bent by a fixed angle to form an air outlet (3); the large injection pipe (2) and the small injection pipe (1) are arranged in parallel at a fixed interval, the rear end of the large injection pipe (2) is provided with a large injection pipe air outlet (4), the large injection pipe air outlet (4) is in welded connection with a mixing cavity (5), and the mixing cavity (5) is provided with a mixing cavity air outlet (6) at the same horizontal plane with the air outlet (3); according to the tailor-welded furnace end, the furnace end is split in a three-dimensional mode, then is formed in a splicing mode and is formed through the processes of welding, punching and riveting and the like, an inner cavity of the furnace end is smooth, the air injection capacity of the furnace end is more stable, the appearance is good, all components are connected in a tailor-welded mode, it is guaranteed that gas cannot leak, and the product performance is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gas burner heads, in particular to a butt-welded burner head. Background Art

[0002] The energy consumption of opening the furnace (melting molten iron) during the production process of the iron furnace head is high. Once the furnace is opened for production, it cannot be stopped. If the employees take a holiday, the furnace must be opened, which wastes energy. Exhaust gas is continuously discharged during the melting process. Slag impurities will also be included in the melting process of molten iron, which requires slag removal. The slag removal process will be accompanied by a part of the molten iron, so not only will waste slag be generated, but also iron loss will be caused. The melting temperature of molten iron is as high as 1600℃, and the working environment of employees is harsh and unsafe.

[0003] Therefore, it is crucial to develop new burner raw materials and burner structures. Utility Model Content

[0004] (1) Technical issues to be solved

[0005] The technical problem to be solved by the utility model is to provide a welded burner head. The utility model can use stainless steel or stainless iron thin plates as raw materials, stamp the stainless steel or stainless iron thin plates into various components, and then splice them into shape, and connect the burner head of this utility model by welding.

[0006] (2) Technical solution

[0007] The technical solution adopted by the present invention to solve the above problems is:

[0008] The flask is connected to the air outlet of the mixing chamber by welding, and the flask is connected to the air outlet of the mixing chamber by welding.

[0009] In the above technical solution, the connections of the burner heads are all connected by welding, which can effectively prevent gas leakage.

[0010] Furthermore, the small ejector tube, the large ejector tube, the water disk, the combustion chamber, and the mixing chamber are all made of stainless steel or stainless iron.

[0011] Furthermore, the small ejector tube also includes a small ejector tube air inlet, which is arranged at an end away from the air outlet, and the large ejector tube also includes a large ejector tube air inlet, which is arranged at an end away from the large ejector tube air outlet.

[0012] In the above technical solution, an air inlet of the large ejector tube is provided to enable gas circulation in the large ejector tube, and an air inlet of the small ejector tube is provided to enable gas circulation in the small ejector tube.

[0013] Furthermore, the end surface of the air inlet of the small ejector tube and the end surface of the air inlet of the large ejector tube are arranged on the same horizontal plane.

[0014] Furthermore, air flaps are provided at the end faces of the small ejector tube air inlet and the large ejector tube air inlet, and the air flaps cover the end faces of the small ejector tube air inlet and the large ejector tube air inlet, and the air flaps are welded to the end faces of the small ejector tube air inlet and the large ejector tube air inlet.

[0015] In the above technical solution, the air flaps are connected to the end faces of the air inlet of the small ejector tube and the air inlet of the large ejector tube by spot welding.

[0016] Furthermore, the bottom end surface of the water tray is welded to the furnace feet, and the furnace feet are arranged on the opposite sides of the small ejector tube and the large ejector tube.

[0017] In the above technical solution, furnace feet are provided to make the furnace head more stable during use.

[0018] Furthermore, the outer wall of the front end of the small ejector tube and the outer wall of the large ejector tube are welded to a support frame, and the two ends of the support frame are folded in the middle and connected to the outer wall of the front end of the small ejector tube and the outer wall of the large ejector tube respectively.

[0019] In the above technical solution, the support bracket is provided so that the small ejector tube and the large ejector tube can be placed at the same height.

[0020] Furthermore, a small tube combustion chamber is provided on the end face of the air outlet of the small ejector tube, and the connection between the small tube combustion chamber and the air outlet is connected by welding.

[0021] In the above technical solution, the small tube combustion chamber and the gas outlet are connected by ring welding to ensure that the gas will not leak.

[0022] Furthermore, the water tray surface further includes an ignition pin, and the ignition pin is arranged at a fixed distance from the air outlet.

[0023] Furthermore, the water dish surface further includes a thermocouple column, and the thermocouple column and the ignition column are symmetrically arranged at the other end of the air outlet.

[0024] In the above technical solution, the ignition column needle can play the role of ignition, and the thermocouple column can play the role of measuring the temperature in the furnace.

[0025] (3) Beneficial effects

[0026] Compared with the prior art, the technical solution of the utility model has the following advantages:

[0027] The various components of the product of this utility model can be made of stainless steel or stainless iron, which is not easy to rust. The inner cavity of the burner is smooth, the air injection capacity of the burner is more stable, and the appearance is excellent. The various components are connected by welding to ensure that gas will not leak, thereby greatly improving product performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0029] Figure 2 This is a schematic diagram of the internal structure of the utility model after the combustion chamber is hidden;

[0030] Figure 3 This is a schematic structural diagram of the large ejector tube and the small ejector tube of the present invention;

[0031] Figure 4 This is a schematic diagram of the overall structure of the utility model when viewed from above;

[0032] Among them: 1- small ejector tube; 2- large ejector tube; 7- water pan; 8- combustion chamber; 3- air outlet; 4- large ejector tube air outlet; 5- mixing chamber; 6- mixing chamber air outlet; 9- support column; 10- small ejector tube air inlet; 11- large ejector tube air inlet; 12- air flap; 13- furnace foot; 14- support bracket; 15- small tube combustion chamber; 16- ignition column needle; 17- thermocouple column; 18- welding seam. DETAILED DESCRIPTION

[0033] The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0034] Example

[0035] like Figure 1-4 As shown, the utility model provides

[0036] A tailor-welded burner head, comprising a small ejector tube 1, a large ejector tube 2, a water pan 7, and a combustion chamber 8, all of which are made of stainless steel or stainless iron; the rear end of the small ejector tube 1 is bent at a fixed angle to form an air outlet 3; the large ejector tube 2 is arranged parallel to the small ejector tube 1 at a fixed distance, and a large ejector tube air outlet 4 is provided at the rear end of the large ejector tube 2. The large ejector tube air outlet 4 is connected to a mixing chamber 5 by a circle welding to prevent gas leakage, and the mixing chamber 5 is provided with a mixing chamber air outlet 6 at the same horizontal plane as the air outlet 3; the center of the water pan 7 It is sleeved on the end face of the air outlet 3 of the small ejector tube 1 at a fixed distance downward, and is welded to the contact part of the outer wall of the air outlet 3. The mixing chamber air outlet 6 passes through the water disk surface 7. The end face of the mixing chamber air outlet 6 is spaced a fixed distance from the end face of the water disk surface 7, and is welded to the contact part of the outer wall of the mixing chamber air outlet 6 to form a weld seam; the bottom of the combustion chamber 8 is welded to the mixing chamber air outlet 6, and a support column 9 extends from the opposite side of the water disk surface 7 and the mixing chamber air outlet 6, and the support column 9 is welded to the bottom end face of the combustion chamber 8.

[0037] The small ejector tube 1 also includes a small ejector tube air inlet 10, which is arranged at an end away from the air outlet 3; the large ejector tube 2 also includes a large ejector tube air inlet 11, which is arranged at an end away from the large ejector tube air outlet 4; the end face of the small ejector tube air inlet 10 and the end face of the large ejector tube air inlet 11 are arranged on the same horizontal plane; the end face of the small ejector tube air inlet 10 and the end face of the large ejector tube air inlet 11 are provided with air flaps 12, and the air flaps 12 cover the end face of the small ejector tube air inlet 10 and the end face of the large ejector tube air inlet 11, and the air flaps 12 are connected to the end face of the small ejector tube air inlet 10 and the end face of the large ejector tube air inlet 11 by spot welding.

[0038] The bottom end face of the water pan 7 is welded to the furnace foot 13, and the furnace foot 13 is arranged on the opposite side of the small ejector tube 1 and the large ejector tube 2; the outer wall of the front end of the small ejector tube 1 and the outer wall of the large ejector tube 2 are spot welded to the support frame 14, and the two ends of the support frame 14 are folded in the middle and connected to the outer wall of the front end of the small ejector tube 1 and the outer wall of the large ejector tube 2 respectively.

[0039] A small tube combustion chamber 15 is provided on the end face of the gas outlet 3 of the small ejector tube 1 , and the connection between the small tube combustion chamber 15 and the gas outlet 3 is welded.

[0040] The water pan surface 7 also includes an ignition column needle 16, which is arranged at a fixed distance from the air outlet 3; the water pan surface 7 also includes a thermocouple column 17, which is symmetrically arranged with the ignition column needle 16 at the other end of the air outlet 3, and the ignition column needle 16 and the thermocouple column 17 are both set on the water pan surface 7 by riveting.

[0041] In summary, the above embodiments are not limitative embodiments of the present invention, and any modifications or equivalent variations made by those skilled in the art based on the essential content of the present invention are within the technical scope of the present invention.

Claims

1. A tailor-welded furnace head, characterized in that: The invention comprises a small ejector tube (1), a large ejector tube (2), a water disk surface (7), and a combustion chamber (8), wherein the rear end of the small ejector tube (1) is bent at a fixed angle to form an air outlet (3); the large ejector tube (2) and the small ejector tube (1) are arranged in parallel at a fixed distance; a large ejector tube air outlet (4) is arranged at the rear end of the large ejector tube (2); the large ejector tube air outlet (4) is welded to a mixing chamber (5); the mixing chamber (5) is provided with a mixing chamber air outlet (6) at the air outlet (3); the mixing chamber air outlet (6) passes through the water disk surface (7); the mixing chamber air outlet (6) ) is spaced a fixed distance apart from the end face of the water pan surface (7), and is welded to the contact portion of the outer wall of the mixing chamber air outlet (6) to form a weld seam (18); the center of the water pan surface (7) is sleeved at a fixed distance downward from the end face of the air outlet (3) of the small ejector tube (1), and is welded to the contact portion of the outer wall of the air outlet (3); the bottom of the combustion chamber (8) is welded to the mixing chamber air outlet (6), and a support column (9) extends from the opposite side of the water pan surface (7) and the mixing chamber air outlet (6), and the support column (9) is welded to the bottom end face of the combustion chamber (8).

2. A tailor-welded furnace head according to claim 1, characterized in that: The small ejector tube (1), the large ejector tube (2), the water disk (7), the combustion chamber (8), and the mixing chamber (5) are all made of stainless steel or stainless iron.

3. The tailor-welded furnace head according to claim 1, characterized in that: The small ejector tube (1) further comprises a small ejector tube air inlet (10), and the small ejector tube air inlet (10) is arranged at an end away from the air outlet (3); the large ejector tube (2) further comprises a large ejector tube air inlet (11), and the large ejector tube air inlet (11) is arranged at an end away from the large ejector tube air outlet (4).

4. A tailor-welded furnace head according to claim 3, characterized in that: The end surface of the small ejector tube air inlet (10) and the end surface of the large ejector tube air inlet (11) are arranged on the same horizontal plane.

5. The tailor-welded furnace head according to claim 4, characterized in that: An air flap (12) is provided at the end face of the small ejection tube air inlet (10) and the end face of the large ejection tube air inlet (11), and the air flap (12) covers the end face of the small ejection tube air inlet (10) and the end face of the large ejection tube air inlet (11), and the air flap (12) is welded to the end face of the small ejection tube air inlet (10) and the end face of the large ejection tube air inlet (11).

6. The tailor-welded furnace head according to claim 1, characterized in that: The bottom end surface of the water pan surface (7) is welded to a furnace foot (13), and the furnace foot (13) is arranged on the opposite side of the small ejector tube (1) and the large ejector tube (2).

7. The tailor-welded furnace head according to claim 1, characterized in that: The outer wall of the front end of the small ejector tube (1) and the outer wall of the large ejector tube (2) are welded to a support frame (14), and the two ends of the support frame (14) after being folded in the middle are respectively connected to the outer wall of the front end of the small ejector tube (1) and the outer wall of the large ejector tube (2).

8. The tailor-welded furnace head according to claim 1, characterized in that: A small tube combustion chamber (15) is provided on the end face of the gas outlet (3) of the small ejector tube (1), and the connection between the small tube combustion chamber (15) and the gas outlet (3) is welded.

9. The tailor-welded furnace head according to claim 1, characterized in that: The water tray surface (7) further comprises an ignition pin (16), and the ignition pin (16) is arranged at a fixed distance from the air outlet (3).

10. The tailor-welded furnace head according to claim 1, characterized in that: The water pan surface (7) further comprises a thermocouple column (17), and the thermocouple column (17) is arranged at a fixed distance from the air outlet (3).

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