A fierce fire stir-frying burner and a fierce fire gas stove

Abstract

A kind of fierce fire stir-frying combustor and a fierce fire gas stove, fierce fire stir-frying combustor includes fan, air inlet pipe piece, air inlet pipe, nozzle, burner, hearth, constant light device and ignition needle, burner includes head, mixing pipe part, gas cavity and annular fixed seat plate, hearth is hollow and has upper opening, and includes the flanging of upper opening and combustion hole;Fan and air inlet pipe piece are communicated, air inlet pipe is fixed with air inlet pipe piece, nozzle is communicated with the air outlet end of air inlet pipe;Hearth is embedded in gas cavity, flanging is buckled with hearth and sealed, constant light device and ignition needle are fixed on annular fixed seat plate, constant light device cooperates with ignition needle and hearth;Air outlet end of air inlet pipe piece is inserted with head.Gas quantity increases, fan speed increases, gas quantity and air quantity increase or reduce simultaneously;After mixing, air and gas are mixed fully in mixing pipe part and gas cavity, and energy efficiency is improved.

Description

Technical Field

[0001] This utility model relates to a stove burner. Background Technology

[0002] Currently, according to Chinese patent 201020595638.1, the high-powered stoves used in the catering industry on the market all adopt direct-fired combustion with fans. The gas is sent to the combustion gas and combines with oxygen for combustion. The combustion is incomplete, the gas supply is large, the emission of harmful gases is large, the heat dissipation is large, and the combustion noise is loud. This product consists of: a burner (3), which is a swirling burner. The swirling burner has a longitudinal air outlet (1) and a transverse air outlet (2). The swirling burner is connected to a heat recovery reflector (5) through a heating tube (4). The bottom of the swirling burner is a gas supply chamber (7). One side of the gas supply chamber is connected to an air inlet pipe (9). The outer wall of the swirling burner has a liquid inlet (10).

[0003] Chinese Patent 202022730262.7 discloses a high-efficiency swirling flame burner, comprising a base, a top cover, and a cover plate. The base includes an integrally formed air inlet pipe and a mounting shell. The top cover is fitted onto the mounting shell and has a swirling flame section located inside the mounting shell. The swirling flame section includes swirling grooves and swirling flame holes. The cover plate is fitted onto the bottom of the top cover, forming an air chamber between the cover plate and the mounting shell. The problem is that the gas and air volumes cannot be increased or decreased synchronously, resulting in incomplete combustion and low energy efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a high-heat stir-fry burner that features simultaneous increase or decrease of gas and air, uniform mixing, and complete combustion.

[0005] This invention is implemented as follows: a high-powered stir-fry burner, characterized by comprising a fan, an air inlet pipe, an air inlet tube, a nozzle, a burner head, a furnace chamber, a constant flame device, and an ignition needle.

[0006] The burner head includes a head, a mixing tube section, a gas chamber section, and an annular fixed base plate.

[0007] The furnace chamber is hollow and has an upper opening, and includes a flange and combustion holes located in the upper opening;

[0008] The blower and the air inlet pipe are connected, the air inlet pipe is fixed to the air inlet pipe, and the nozzle is connected to the air outlet end of the air inlet pipe; the furnace is embedded in the gas chamber, the flange is fastened to the furnace and sealed, the constant flame device and the ignition needle are fixed on the annular fixed base plate, and the constant flame device cooperates with the ignition needle and the furnace; the air outlet end of the air inlet pipe is inserted into the head.

[0009] The high-heat stir-fry burner is characterized by the following: it also includes an arc-shaped gas distribution plate, which is fixed to the inner wall of the gas chamber and cooperates with the connection between the mixing pipe and the gas chamber.

[0010] The high-heat stir-fry burner is characterized in that the air inlet pipe includes a main body with one end open and an air inlet interface located on one side of the main body.

[0011] The air intake pipe is fixed to the closed end of the main body, and the fan is connected to the air intake interface.

[0012] The special feature of the high-heat stir-fry burner is that the nozzle extends into the head.

[0013] The high-heat stir-fry burner is characterized in that: the furnace chamber includes a bottom circular chamber, an inverted truncated cone-shaped chamber, and a top circular fire-gathering chamber, and the combustion hole is located on the inverted truncated cone-shaped chamber.

[0014] The high-heat stir-fry burner is characterized in that: the combustion hole is circular, and the axis of the hole forms an acute angle with the horizontal plane on the radial inner side;

[0015] Alternatively, the combustion hole may have a certain length and be either left-handed or right-handed.

[0016] The high-heat stir-fry burner is characterized in that: the constant open flame device includes an air inlet premixing pipe, an upper-opening mixing chamber, and a flame cap.

[0017] The air inlet premixing pipe is equipped with radial air inlet holes;

[0018] The mixing chamber includes a plug hole and an annular edge plate on the base plate;

[0019] The flame cap includes a lower-opening slow-flow chamber, a superior arc-shaped cover plate, and a inferior arc-shaped flame cap plate.

[0020] The interface pipe of the air inlet premixing pipe is inserted into the plug hole, the flame cover is fastened to the mixing chamber, and the lower end of the slow flow chamber extends into the mixing chamber; the superior arc-shaped cover plate is attached to and sealed with the annular edge plate, and the inferior arc-shaped flame cover plate and the annular edge plate form a constant open flame combustion groove; the constant open flame combustion groove is opposite to the furnace and cooperates with the ignition needle.

[0021] The high-heat stir-fry burner is characterized in that: the burner cap is provided with a radially open gas groove, the radially open gas groove and the slow-flow chamber intersect and communicate with each other; the radially open gas groove extends radially along the burner cap;

[0022] A radial gas trough connects the superior arc-shaped cover plate and the inferior arc-shaped fire cover plate, and a radial gas trough extends above the furnace cavity.

[0023] A high-powered gas stove, characterized by the following features: a hollow, open-topped bottom shell, a metal panel, a high-powered stir-fry burner as described above, a stir-fry pan support, a gas valve, a control device, and a rotary encoder.

[0024] The metal panel includes an annular guide protrusion with a lower opening and a frustoconical protrusion. The annular guide protrusion has an upper air inlet hole, and the frustoconical protrusion has a mounting hole. The frustoconical protrusion, the annular guide protrusion, and the metal panel in between form an annular groove.

[0025] The high-heat stir-fry burner is located on the bottom plate of the base shell, with the fan facing the air vent assembly on the bottom plate; the metal panel and the base shell are fastened together, the gas chamber passes through the mounting hole, and screws fix the annular mounting plate and the truncated cone-shaped boss; a rotary encoder is located on the gas valve, and the valve stem of the gas valve drives the rotary encoder; the fan, rotary encoder, ignition needle, and control device are connected; the stir-fry pan support is located inside the annular guide protrusion, and the annular guide protrusion supports the stir-fry pan support, with gaps between the stir-fry pan support and the annular guide protrusion, the truncated cone-shaped boss, and the annular groove.

[0026] The aforementioned high-powered gas stove is characterized in that: the bottom shell is provided with a cavity surrounding the upper opening.

[0027] The hollow metal panel has a bottom opening;

[0028] It also includes a heat insulation board, which has ventilation holes;

[0029] The heat insulation plate is placed on the bottom plate of the shell cavity and covers the upper opening of the bottom shell. The shell cavity extends into the metal panel, and the upper end of the shell cavity supports the metal panel; the gas chamber passes through the vent hole.

[0030] The high-powered gas stove is characterized in that: the wok support includes a hollow, open-top cylindrical main body, an annular flange, front and rear wok supports and left and right wok supports provided on the annular flange, an annular liquid receiving groove, and an annular base plate.

[0031] The front and rear pot supports include arc-shaped parts and front and rear radial plates, while the left and right pot supports include left and right radial plates.

[0032] The annular base plate is provided with a positioning groove; the screw includes a cylindrical head and a screw rod;

[0033] The screw rod is screwed into the annular fixed base plate and the truncated cone-shaped boss, the cylindrical head is fitted into the positioning groove, and the annular flange covers the annular guide protrusion with gaps.

[0034] This utility model discloses a high-heat stir-fry burner. Due to its structure, the gas volume is increased, the fan speed is increased, and the gas volume and air volume are increased or decreased simultaneously. After mixing through the mixing pipe and the gas chamber, the air and gas are fully mixed, thus improving energy efficiency. Attached Figure Description

[0035] Figure 1 This is a cross-sectional view of the present invention.

[0036] Figure 2 yes Figure 1 A-A view.

[0037] Figure 3 This is a perspective view of the present invention.

[0038] Figure 4 This is an exploded perspective view of this utility model.

[0039] Figure 5 This is a perspective view of the constant open flame device of this utility model.

[0040] Figure 6 This is an exploded perspective view of the constant open flame device of this utility model.

[0041] Figure 7 This is a cross-sectional view of the open flame device of this utility model.

[0042] Figure 8 This is a cross-sectional view of the flame cover of the constant flame device of this utility model.

[0043] Figure 9 This is a front view of the second embodiment of this utility model.

[0044] Figure 10 yes Figure 9 B-B view.

[0045] Figure 11 yes Figure 9 C-C view.

[0046] Figure 12 This is one of the exploded perspective views of the second embodiment of this utility model.

[0047] Figure 13 This is the second exploded perspective view of the second embodiment of this utility model.

[0048] Figure 14 This is the third exploded perspective view of the second embodiment of this utility model. Detailed Implementation

[0049] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0050] Example 1

[0051] like Figure 1 , Figure 2 , Figure 3 As shown, a high-powered stir-fry burner 1 includes a fan 2, an air inlet pipe 3, an air inlet pipe 4, a nozzle 5, a burner head 6, a furnace chamber 7, a constant flame device 8, and an ignition needle 9.

[0052] The burner head 6 includes a head 61, a mixing tube section 62, a gas chamber section 63, and an annular fixed base plate 64.

[0053] The furnace chamber 7 is hollow and has an upper opening, and includes a 71 located in the upper opening and a combustion hole 72;

[0054] The blower 2 is connected to the air inlet pipe 3, the air inlet pipe 4 is fixed to the air inlet pipe 3, and the nozzle 5 is connected to the air outlet end of the air inlet pipe 4; the furnace 7 is embedded in the gas chamber 63, the flange 71 is fastened and sealed to the furnace 7, the constant flame device 8 and the ignition needle 9 are fixed on the annular fixed base plate 64, and the constant flame device 8 and the ignition needle 9 cooperate with the furnace 7; the air outlet end of the air inlet pipe 3 is inserted into the head 61; with this structure, the gas volume increases and the synchronous blower speed increases; the gas volume and the air intake volume can be increased or decreased synchronously; the gas and air are fully mixed in the mixing pipe 62, the combustion is complete, and the energy efficiency is high;

[0055] The constant flame setting ensures that the furnace continues to burn even after the high-powered fire is used up and turned off; when the high-powered fire is turned on again, the constant flame quickly ignites the furnace. The constant flame maintains its combustion temperature while the high-powered fire is adjusted.

[0056] As a further improvement of this utility model, it also includes an arc-shaped gas distribution plate 65, which is fixed to the inner wall of the gas chamber 63 and mates with the connection between the mixing pipe 62 and the gas chamber 63. With this structure, the gas distribution in the gas chamber 63 is uniform.

[0057] like Figure 1 , Figure 2 As shown, the air inlet pipe 3 includes a main pipe body 31 with one end open and an air inlet interface 32 provided on one side of the main pipe body. The closed end of the main pipe body 31 is provided with an internal threaded hole.

[0058] The intake pipe 4 includes an external threaded interface, a regular hexagonal tool section, and an external threaded connection section.

[0059] The fan 2 is connected to the air inlet interface 32 by the external threaded connection part being screwed into the internal threaded hole.

[0060] The nozzle 5 extends into the head 61. With this design, air surrounds the intake pipe and the nozzle.

[0061] As a further improvement of this utility model: the furnace chamber 7 includes a bottom circular chamber portion 73, an inverted truncated cone-shaped chamber portion 74 and a top circular fire-gathering chamber portion 75, and the combustion hole 72 is provided on the inverted truncated cone-shaped chamber portion 74.

[0062] like Figure 1 As shown, the combustion hole 72 is circular, and its axis forms an acute angle with the horizontal plane on the radial inner side;

[0063] Or such as Figure 4 As shown, the combustion hole 72 has a certain length and can be either left-handed or right-handed.

[0064] like Figure 3 , Figure 5 As shown, the constant-fire device 8 includes an air inlet premixing pipe 81, an upper-opening mixing chamber 82, and a flame cap 83.

[0065] The air inlet premixing pipe 81 is provided with a radial air inlet hole 811 and an interface pipe 812;

[0066] The mixing chamber 82 includes a plug hole 821 and an annular edge plate 822 provided on the base plate;

[0067] The flame cover 83 includes a slow-flow chamber 831 with a lower opening, a superior arc-shaped cover plate 832, and a inferior arc-shaped flame cover plate 833.

[0068] The interface pipe 812 of the air inlet premixing pipe 81 is inserted into the insertion hole 821, the flame cap 83 is fastened to the mixing chamber 82, and the lower end of the slow flow chamber 831 extends into the mixing chamber 82; the superior arc-shaped cover plate 832 is fitted and sealed to the annular edge plate, and the inferior arc-shaped flame cap plate 833 and the annular edge plate 822 form a constant flame combustion groove; the constant flame combustion groove is opposite to the furnace 7 and cooperates with the ignition needle 9. The gas enters from the lower end of the air inlet premixing chamber 81. During the flow process, a negative pressure is generated, and air enters the air inlet premixing chamber 81 through the radial air inlet hole 811. The gas and air are premixed in the air inlet premixing chamber 81.

[0069] As a further improvement of this utility model: the flame cap 83 is provided with a radial gas groove 834 with a downward opening, the radial gas groove 834 and the slow flow cavity 831 intersect and communicate; the radial gas groove 834 extends radially along the flame cap 83; the length of the radial gas groove 834 is greater than the diameter of the flame cap 83.

[0070] The diameter of the slow-flow chamber 831 is smaller than the diameter of the mixing chamber 82;

[0071] like Figure 8 As shown, a radial gas channel 834 connects the superior arc-shaped cover plate 832 and the inferior arc-shaped fire cover plate 833, and a radial gas channel 834 extends above the furnace cavity.

[0072] Example 2

[0073] like Figure 9 , Figure 10 , Figure 12 As shown, a high-powered gas stove includes a hollow, open-top bottom shell 10, a metal panel 11, a high-powered stir-fry burner 1 as described above, a stir-fry pan support 12, a gas valve 13, a control device 14, and a rotary encoder 15.

[0074] The metal panel 11 includes an annular guide protrusion 111 with a lower opening and a frustoconical boss 112 on the metal panel inside the annular guide protrusion 111. The annular guide protrusion 111 is provided with an upper air inlet hole 113, and the frustoconical boss 112 is provided with a mounting hole. The frustoconical boss 112, the annular guide protrusion 111 and the metal panel 11 between them form an annular groove.

[0075] The high-heat stir-fry burner 1 is mounted on the bottom plate of the bottom shell 10, and the fan 2 is opposite to the air vent assembly on the bottom plate of the bottom shell 10. The metal panel 11 and the bottom shell 10 are fastened together, and the gas chamber 63 passes through the mounting hole on the truncated cone-shaped boss 112. Screws fix the annular fixing plate 64 and the truncated cone-shaped boss 112. A rotary encoder is mounted on the gas valve 13, and the valve stem of the gas valve 13 drives the rotary encoder 15. The fan 2, the rotary encoder 15, the ignition needle 9, and the control device 14 are connected. The stir-fry pan support 12 is located inside the annular guide protrusion 111, and the annular guide protrusion 111 supports the stir-fry pan support 12. There are gaps between the stir-fry pan support 12 and the annular guide protrusion 111, the truncated cone-shaped boss 112, and the annular groove. The gaps prevent the heat energy of the stir-fry pan support 12 from being directly transferred to the metal panel and also provide secondary air for the high-heat stir-fry burner 1. Indoor air enters the bottom shell 10 through the upper air inlet 113 and the annular guide protrusion 111 to prevent negative pressure from forming inside the cabinet.

[0076] As a further improvement of this utility model: the upper opening of the bottom shell 10 is provided with a shell cavity 101 surrounding the upper opening, and the rear wall plate of the bottom shell 10 is provided with a group of air holes 102.

[0077] The hollow metal panel 11 has a lower opening;

[0078] It also includes a heat insulation board 16, which has ventilation holes 161. The heat insulation board 16 is made of ceramic or mica material and has fireproof function;

[0079] The heat insulation plate 16 is disposed on the bottom plate of the cavity 101 and covers the upper opening of the bottom shell 10. The cavity 101 extends into the metal panel 11, and the upper end of the cavity 101 supports the metal panel 10. The gas chamber 63 passes through the vent hole 161. Indoor air enters the bottom shell 10 through the upper air inlet 113, the annular guide protrusion 111, the cavity 101, and the vent hole 161.

[0080] As a further improvement of this utility model: the stir-fry wok support 12 includes a hollow cylindrical main body 121 with an open top, an annular flange 122, front and rear pot supports 123 and left and right pot supports 124 provided on the annular flange 122, an annular liquid receiving groove 125 and an annular seat plate 126; the area of ​​the cylindrical main body 121 gradually increases from bottom to top.

[0081] The annular seat plate 126 is provided with a positioning groove 1261; the annular flange 122 is provided with a support column;

[0082] The front and rear pot supports 123 include an arc-shaped portion 1231 and a front and rear radial plate portion 1232, and the left and right pot supports 124 include left and right radial plates.

[0083] The screw includes a cylindrical head and a screw shank;

[0084] The screw rod is screwed into the annular fixed base plate and the truncated cone-shaped boss, the cylindrical head is fitted into the positioning groove 1261, the annular flange 122 covers the annular guide protrusion 111 with a gap, and the annular guide protrusion 111 is supported and engaged with the support column.

[0085] There are gaps between the annular flange 122 and the top of the annular guide protrusion, between the cylindrical body and the inner ring wall of the annular guide protrusion, between the annular liquid receiving groove 125 and the annular groove, and between the annular seat plate 126 and the truncated cone protrusion; these gaps constitute a secondary air channel.

[0086] With this structure, the arc-shaped portion 1231 on the front and rear pot supports 123 prevents the flames from extending towards people and walls, protecting both. The wok support 12 has an energy-concentrating function. The wok support 12 is detachable for separate cleaning; the metal panel 1 inside the annular guide protrusion 111 can also be cleaned.

[0087] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A high-heat stir-fry burner, characterized in that: Includes the fan, air intake pipes, air inlet pipes, nozzles, burner head, furnace chamber, constant flame device, and ignition needle. The burner head includes a head, a mixing tube section, a gas chamber section, and an annular fixed base plate. The furnace chamber is hollow and has an upper opening, and includes a flange and combustion holes located in the upper opening; The blower and the air inlet pipe are connected, the air inlet pipe is fixed to the air inlet pipe, and the nozzle is connected to the air outlet end of the air inlet pipe; the furnace is embedded in the gas chamber, the flange is fastened to the furnace and sealed, the constant flame device and the ignition needle are fixed on the annular fixed base plate, and the constant flame device cooperates with the ignition needle and the furnace; the air outlet end of the air inlet pipe is inserted into the head.

2. The high-heat stir-fry burner according to claim 1, characterized in that: It also includes an arc-shaped gas distribution plate, which is fixed to the inner wall of the gas chamber and fits into the connection between the mixing pipe and the gas chamber.

3. The high-heat stir-fry burner according to claim 1, characterized in that: The air intake pipe includes a main pipe body with one end open and an air intake interface located on one side of the main pipe body. The air intake pipe is fixed to the closed end of the main body, and the fan is connected to the air intake interface.

4. The high-heat stir-fry burner according to claim 1, characterized in that: The nozzle extends into the head.

5. The high-heat stir-fry burner according to claim 1, characterized in that: The furnace chamber includes a bottom circular chamber, an inverted frustum-shaped chamber, and a top circular fire-gathering chamber, with the combustion holes located on the inverted frustum-shaped chamber.

6. The high-heat stir-fry burner according to claim 1, characterized in that: The combustion hole is circular, and its axis forms an acute angle with the horizontal plane on the radial inner side; Alternatively, the combustion hole may have a certain length and be either left-handed or right-handed.

7. A high-heat stir-fry burner according to claim 1, 2, 3, 4, 5 or 6, characterized in that: The constant-open flame device includes an air inlet premixing pipe, a mixing chamber with an upper opening, and a flame cap. The air inlet premixing pipe is equipped with radial air inlet holes; The mixing chamber includes a plug hole and an annular edge plate on the base plate; The flame cap includes a lower-opening slow-flow chamber, a superior arc-shaped cover plate, and a inferior arc-shaped flame cap plate. The interface pipe of the air inlet premixing pipe is inserted into the plug hole, the flame cover is fastened to the mixing chamber, and the lower end of the slow flow chamber extends into the mixing chamber; the superior arc-shaped cover plate is attached to and sealed with the annular edge plate, and the inferior arc-shaped flame cover plate and the annular edge plate form a constant open flame combustion groove; the constant open flame combustion groove is opposite to the furnace and cooperates with the ignition needle.

8. A high-heat stir-fry burner according to claim 7, characterized in that: The flame cap is provided with a radially open gas groove, which intersects with and is connected to the slow-flow chamber; the radially open gas groove extends radially along the flame cap. A radial gas channel connects the superior arc-shaped cover plate and the inferior arc-shaped fire cover plate, and a radial gas channel extends above the mixing chamber.

9. A high-powered gas stove, characterized in that: Includes a hollow, open-top bottom shell, a metal panel, a high-heat stir-fry burner as described in any one of claims 1-8, a stir-fry pan support, a gas valve, a control device, and a rotary encoder. The metal panel includes an annular guide protrusion with a lower opening and a frustoconical protrusion. The annular guide protrusion has an upper air inlet hole, and the frustoconical protrusion has a mounting hole. The frustoconical protrusion, the annular guide protrusion, and the metal panel in between form an annular groove. The high-heat stir-fry burner is located on the bottom plate of the bottom shell, and the fan is opposite to the air hole assembly on the bottom plate of the bottom shell; the metal panel and the bottom shell are fastened together, the gas chamber passes through the mounting hole, and the screws fix the annular fixing seat plate and the truncated cone-shaped boss; the rotary encoder is located on the gas valve, and the valve stem of the gas valve drives the rotary encoder. The fan, rotary encoder, ignition needle, and control device are connected; the wok support is located inside the annular guide protrusion and the annular guide protrusion supports the wok support, and there are gaps between the wok support and the annular guide protrusion, the truncated cone-shaped protrusion, and the annular groove.

10. A high-powered gas stove according to claim 9, characterized in that: The bottom shell is provided with a shell cavity surrounding the upper opening. The hollow metal panel has a bottom opening; It also includes a heat insulation board with ventilation holes; The heat insulation plate is placed on the bottom plate of the shell cavity and covers the upper opening of the bottom shell. The shell cavity extends into the metal panel, and the upper end of the shell cavity supports the metal panel; the gas chamber passes through the vent hole.

11. A high-powered gas stove according to claim 9, characterized in that: The wok support includes a hollow, open-top cylindrical main body, an annular flange, front and rear wok supports and left and right wok supports provided on the annular flange, an annular liquid receiving groove, and an annular base plate. The front and rear pot supports include arc-shaped parts and front and rear radial plates, while the left and right pot supports include left and right radial plates. The annular base plate is provided with a positioning groove; the annular flange is provided with a support post; the screw includes a cylindrical head and a screw rod; The screw rod is screwed into the annular fixed base plate and the truncated cone-shaped boss, the cylindrical head is fitted into the positioning groove, and the annular flange covers the annular guide protrusion, which is supported by the support column.

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