TWM262653U - Improved Venturi tube device of infrared gas burner - Google Patents

Description

M262653 IV. Creation Description (l) [Technical Field to which the New Type belongs] This creation relates to an improvement of a gas infrared burner, especially a type that receives the heat of gas combustion by the ceramic sheet, and the infrared wavelength of the ceramic sheet is generated to reach the heating. Improved Venturi device of gas infrared burner. [Previous technology] According to the conventional, there are two types of venturi devices of conventional gas infrared burners. One is an external type, as shown in the first figure, and the burner body (丨 0) is a hollow shell formed by stamping. The shell is generally a rectangular parallelepiped with a slightly arched bottom. The central part of the bottom is provided with an air inlet (丨 〇i), and the venturi tube (20) is generally L-shaped and is arranged for combustion. The lower side of the burner body (10) is welded to the periphery of the air inlet (101) at the bottom of the burner body (10), so that after mixing gas and air, the venturi tube (20) flows through the air inlet. (1 〇1), enter the burner body (1 0) to burn, thereby generating and transmitting heat energy, and the burner body (10) internally locks a long rectangular deflector (30) horizontally, and burns The inner bottom surface of the device body (10) forms a proper distance, and a vertical baffle (3 0 1) is provided at a position of the bottom surface of the deflector (30) that deviates from the center point of the air inlet (100). In order to guide the gas dispersion, achieve a more uniform combustion effect. The other is a built-in type, as shown in the second figure. The burner body (40) is a hollow shell formed by stamping. The shell is generally a rectangular parallelepiped, and a round hole (401 ), The Venturi tube (50) is a straight tube, and is fixed by the circular hole (4 0 1) of the burner body (4 0), and the gas and air are mixed by the Venturi tube (50). Combustion into the burner body (40) to generate and transfer thermal energy, and its burner body (1

M262653 、 Creation Note (2) " " '^ 〇) An air-shielding device (60) is fixed on the front side of the venturi tube (50), and the air-shielding device (60) is provided with an evenly distributed Stomatals are used to guide the gas dispersion and achieve a more uniform combustion effect. As mentioned above, the conventional gas infrared burner is still not ideal in design structure, but has the following defects: 1. The venturi tubes (20) and (50) are independent components and are arranged on the burner body. (10) and (40) are welded on the outside or inside, so the volume is not only: 'Especially when it is used in a furnace with a small space, it is quite difficult to use', and it is not easy to form, complicated to assemble, and poor in structure durability. . 2. When gas is introduced, the gas will collide with rebound and reverse flow. In particular, 1 When the inner space of the furnace is narrow and the ventilating tube is set inside, the air ^ = Insufficient rate will easily cause tempering and uneven heat conduction. . ^ 3. When it is used, if it is vertical, it is quite easy to cause the embarrassment caused by the thermal energy on the tile because of the gas floating on the tile ’. f [new content] In view of this, the creator is thinking about the creative ideas, and in the spirit of perseverance and the goal of excellence, actively research and improve it ', and after many discussions and trial samples, and many amendments Improvement, is ^ out of this creation. This creation provides a modified Venturi tube device of a gas infrared burner, which includes a burner body, which is generally a rectangular hollow shell. One end is provided with a connection sleeve, and the upper end is provided with a vertical outward expansion. Edge and a horizontally extending fixed plate; a venturi tube, which is formed on the

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The bottom part of the burner body is partly located inside the burner body and the other part is located outside the burner body. There are two types of molding methods: split molding and integral molding. Separate molding is performed when the burner body is stamped. At the bottom, a lower part of a venturi tube is formed. The lower end of the lower part of the venturi tube is arc-shaped, and the upper half of the venturi tube that is separately stamped and formed is welded to the corresponding place to form an integrated molding system. When the body is formed (such as prayer), it is formed on the inside and outside of the bottom of the burner body together; a hybrid air inlet pipe, one end of which is sleeved and welded and fixed in the connecting sleeve of the burner body; w-shaped, each side of which extends a horizontal overlapping flange, and the bending surface is equidistantly provided with vent holes staggered with each other, and the overlapping flanges on both sides are overlapped with the burner body The step edge is fixed; a ceramic piece is sleeved in the step edge of the burner body and is overlapped on the overlapping flanges on both sides of the deflector; the two pressing pieces are L-shaped and are rectangular in shape. The frame is fixed to the burner body with a locking element Fixed on the plate, and press against the fixed ceramics and deflector. The main purpose of this creation is that the Venturi tube is formed on the bottom of the burner body, part of which is located inside the burner body, and part of it is located outside the burner body. Trent can effectively reduce the volume and improve the convenience of use. And easy to form, easy to assemble, good structural durability. The second purpose of this creation is to guide the gas through the curve of the venturi tube and the arc-shaped tail of the lower half of the venturi tube during gas intake, effectively guiding the gas mixed with air into the combustion. The inside of the device body can prevent the phenomenon of backflow tempering, and can smoothly guide the gas upward, so that the ceramics can be fully and uniformly burned. Another purpose of this creation is whether it is used horizontally or vertically

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During the placement, the vent holes of the w-shaped deflectors can be staggered with each other, and the mixed gas can be effectively guided and evenly distributed, so that the heat transfer efficiency of the burner is more average. [Implementation] The rest are described in detail with the illustrations in the best example of this creation. For example, as shown in the three-dimensional exploded view of the third drawing and the back three-dimensional view of the burner body of the fourth drawing, it contains a burner. The body (1), -σ Venturi tube (2), a mixed air inlet tube (3), a deflector (4), a ceramic plate (5) and two pressure plates (6), among which the burner body d) It is roughly a rectangular hollow shell. One end of the shell extends inwardly with a connecting sleeve (π), and the upper end is provided with a step edge (1 2) that expands outward and a horizontally extending fixed plate ( 1 3) 'A plurality of fixing holes (131) are provided on the solid plate (13), and the venturi tube (2) is formed at the bottom of the burner body (1), one part is located inside the burner body (丨), and the other The part is located on the outside of the burner body (1). Its forming methods include separate molding and integral molding. 'Separate molding (as shown in the figure) is formed when the burner body (1) is formed by stamping.' The lower part (2 1) of a Venturi tube with a curved arc concave and the tail end (2 11) is arc-shaped. The upper half (22) of the Venturi tube which is formed by pressing is welded to the corresponding place, and the upper half (22) of the Venturi tube is provided with a curved arc concave corresponding to the lower half (21) of the Venturi tube. One connection arc edge (2 2 1) 'is provided on each side and each side extends ^ ^ Horizontal connection tabs (2 2 2), the connection arc edge (2 2 1) is attached to the connection of the burner body (1) On the sleeve (11), the two connecting tabs (22) are abutted on both sides of the lower half (21) of the venturi tube, and the integral molding is formed on the burner body (1) (such as casting)

M262653 4. In the description of creation (5), the venturi (2) is formed on the inside and outside of the bottom of the burner body (1), the section of the deflector (4) is generally W-shaped, and the two sides of it are extended horizontally. The overlapping flanges (41) are formed on the bent surface (42) at equal intervals with staggered vent holes (42 1), and the pressing piece (6) is L-shaped, and a plurality of locking holes are provided thereon. (6 丨). In addition, as shown in the three-dimensional combined drawing of the fifth figure and the combined sectional view of the sixth figure, the hybrid intake pipe (3)-the end is sleeved in the connecting sleeve (11) of the burner body (J) The edge is welded and fixed, the overlapping flanges (41) on both sides of the deflector (4) are overlapped on the step edge (丨 2) of the burner body (1), and the ceramic piece (5) is sleeved on the burner body ( 1) within the step edge (1 2), and stacked on the two overlapping flanges (41) of the deflector (4), and then the two pressing pieces (6) are mated in a rectangular frame shape to abut against The fixing plate (1 3) of the burner body (1) passes through the fixing holes (131) of the fixing plate (13) and the locking holes (6 丨) of the two pressing pieces (6) with rivets. The riveting is fixed, so that the two pressing pieces (6) press the fixed ceramic piece (5) and the deflector (4), and the combination is completed. As shown in the schematic diagram of the air intake state created by $ 7 and the diversion state diagram of the eighth edition, when it is used, gas and air enter the combustion from the mixed intake pipe (3) and the venturi pipe (2). The main body (1) is inside, and the shrinking Λ curve is used to match the lower half of the venturi tube (21) with the arc center end ⑴ 1) to form a guiding effect, and the surface is bent by the deflector (4). (42) The vent holes (421) arranged in parallel with each other effectively distribute the average distribution of gas and air, and achieve a heat transfer efficiency that is more average. According to the structure of the above specific embodiment, the following benefits can be obtained: 1. Venturi tube (2) is formed on the burner body (1) the bottom plate is located on the inside of the combustion a body, the U part is located on the burner body Waiwai

M262653 Fourth, the creation description (6) side, which can effectively reduce the volume and improve the convenience of use, as well as easy molding, convenient assembly, and good structural durability. 2. The gas inlet can guide the gas and air effectively by the curve of the venturi tube (2) and the arc-shaped tail end (21 1) of the lower half (21) of the venturi tube. The mixed gas smoothly enters the inside of the burner body (丨) to prevent the phenomenon of backflow tempering, and can smoothly guide the gas upward, so that the ceramic piece (5) achieves comprehensive and uniform combustion. 3. When in use, it can use W-shaped deflectors (4) bent surfaces (42) staggered vent holes (4 2 1) 'to effectively guide the mixed gas evenly distributed inside the burner body (1), The average heat transfer benefit of the burner is achieved, and when the use state is vertical, the mixed gas can still be guided and evenly distributed, which has better practicability. In summary, this creation has indeed reached a groundbreaking structure, with improved creative content, and at the same time, it can achieve industrial applicability and advancement. This creation has not been seen in any journals, and it is also novel. In accordance with the requirements of Article 97 and Article 98 of the Patent Law, a new patent application is filed according to law, and the examiner of the Qingxiao Bureau is granted a legitimate patent right. It is only one of the preferred embodiments of this creation. When the scope of implementation of this creation cannot be limited by it; that is, all equal changes and modifications made in accordance with the patent application for this creation shall still fall within the scope of this creation patent.

Page 10 M262653 Brief description of the drawings The first picture: a sectional view of a combination of habitual styles. The second picture is a sectional view of a combination of another practice. The third picture is a three-dimensional exploded view of this creation. The fourth picture is the reverse perspective view of the burner body of this creation. Fifth picture: It is a three-dimensional combination picture of this creation. Figure 6: A sectional view of the composition of this creation. Figure 7: Schematic diagram of the intake state of this creation. Figure 8: The diversion state diagram of this creation. 11 Connection sleeve 13 Fixing plate 2 Venturi tube 21 1 Tail end 2 2 1 Connection arc edge 3 Hybrid inlet tube 41 Overlap flange 421 Vent hole 6 Pressure piece 1 3 1 Fixing hole 21 Lower half of Venturi tube 22 Upper half of Venturi tube 2 22 Connection tab 4 Deflector 42 Bend surface 5 Ceramic plate 61 Locking hole

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Claims (1)

M262653 1 · A gas red device containing flow 1§, which is rectangular and hollow, is placed directly outside the infrared-burning gas pipe, a leading end is provided with a vertical, and a ceramic piece is set inside the venturi tube body. 2. Rushen There are two types of Venturi tube device. The other one is patented and improved. Separate them into one at the bottom. When molding the upper part of the Venturi tube, a 3 · Rushen Chinese tube 4 · Rushen Chinese tube is flat Connecting projection 5 · If the edge of the deflector is applied, the laps on both sides of the deflector are welded and formed. Please patent the lower half and patent the upper half. Please improve the venturi tube device connected to the flanged outer burner on the cross section of the patent. The gas has a burner body, a venturi tube, a mixture of a ceramic piece and two pressure pieces. The burner body is generally A connecting sleeve is arranged on one end surface of the casing, and the stepped edge on the upper expansion and the stepped edge of the fixed plate burner body extending horizontally outward are characterized in that at the bottom of the burner body, a part is located on the burner part and is burned Device body outside. The venturi tube of the gas infrared burner described in the first item of the range includes separate molding and integral type. When the burner body is formed by stamping, the lower part of the venturi tube will be stamped separately. The corresponding part is formed, and the integral molding is tied to the burner body on the inside and outside of the bottom of the burner body. The gas infrared burner described in the second item of the range, the tail end is arc-shaped. The gas infrared burner described in the second item of the range, a connecting arc edge is provided at one end, and the water infrared burner described in the first item of the range is W-shaped, which extends horizontally on both sides. The vents are equidistantly arranged with staggered vent holes, and are fixed on the step edge of the burner body by overlapping. Page 12