CN114343448B - Solid-gas dual-fuel type smoking oven - Google Patents

Abstract

The application belongs to the technical field of roaster, in particular to a solid-gas dual-fuel type smoking oven which comprises an oven, an oven foot used for supporting the oven, a fuel conveying device used for conveying solid fuel into the oven and a gas combustion device used for combusting fuel gas, wherein the fuel conveying device is arranged at one side of the oven, and the gas combustion device is arranged in the oven; the gas combustion device is characterized by comprising a gas guide for conveying gas, a pressure reducing valve arranged at one end of the gas guide pipe, an outer sleeve arranged in the oven and an inner ignition pipe, wherein the inner ignition pipe is arranged on the outer sleeve, and the inner ignition pipe is used for unidirectional gas supply. The application designs the internal ignition tube to only supply air in one direction, so as to prevent substances which are fully combusted and insufficiently combusted in the hearth of the oven from entering the internal ignition tube, keep the internal ignition tube clean and avoid gas from being discharged smoothly due to carbon deposition of the internal ignition tube.

Description

Solid-gas dual-fuel type smoking oven

Technical Field

The invention belongs to the technical field of roaster, and particularly relates to a solid-gas dual-fuel type smoking oven.

Background

Barbecue is a popular cooking mode, and is increasingly popular with people in urban life or field outing. The particle has the characteristics of high heat value, small pollution and low price, is used as barbecue fuel, simultaneously ensures that the barbecue oven has the function of smoking, can improve the taste of food, and is widely applied with the unique advantages along with the continuous development of the particle fuel barbecue oven.

Most of the ovens existing in the market at present are particle ovens, and some ovens for combusting liquefied petroleum gas are appeared, but the two ovens are single, and no ovens for combusting liquefied petroleum gas and particle fuel exist in the market at present, so the application provides an oven for combusting liquefied petroleum gas and particle fuel, and simultaneously solves the problem of internal carbon deposition caused by dust of the particle fuel entering into a liquefied petroleum gas combustion head in the ovens.

Disclosure of Invention

The invention provides a solid-gas dual-fuel type smoking oven which can prevent dust from entering a liquefied petroleum gas burner in order to overcome the defects of the prior art.

In order to achieve the above object, the present invention provides the following technical solutions: the solid-gas dual-fuel type smoking oven comprises an oven, an oven foot used for supporting the oven, a fuel conveying device used for conveying solid fuel into the oven and a gas combustion device used for combusting gas, wherein the fuel conveying device is arranged on one side of the oven, and the gas combustion device is arranged in the oven; the gas combustion device is characterized by comprising a gas guide for conveying gas, a pressure reducing valve arranged at one end of the gas guide pipe, an outer sleeve arranged in the oven and an inner ignition pipe, wherein the inner ignition pipe is arranged on the outer sleeve, and the inner ignition pipe is used for unidirectional gas supply.

According to the application, the internal ignition pipe is designed to be capable of only unidirectionally supplying air, so that in the combustion process, if liquefied petroleum gas is stopped as fuel, only granular fuel is used as fuel, substances which are raised in the hearth of the oven and are fully combusted are prevented from entering the internal ignition pipe, the internal ignition pipe is kept clean, the condition that fuel gas cannot be smoothly discharged due to carbon deposition of the internal ignition pipe after long-term use is avoided, and the smoothness and safety in the whole working process of the oven are ensured. Meanwhile, the dual combustion effects of solid fuel combustion and gas fuel combustion are adopted, and the heating mode can be switched at any time according to the needs when barbecue is carried out, so that the oven is convenient to use. Meanwhile, as the double heating mode is adopted, the oven can be quickly heated by adopting the double heating mode, the early waiting time during roasting is reduced, and the roasting efficiency is improved.

Optionally, the inside ignition pipe includes gas pipe and many follow gas branch pipes of gas pipe length direction range, gas branch pipe with the gas pipe intercommunication, and this gas branch pipe include the body, with the pole head of body spiro union and set up in check valve in the body.

Optionally, the check valve comprises a valve seat, a valve core capable of moving on the valve seat and a return spring sleeved on the valve core, and the valve core is hollow.

Optionally, a plurality of triangular through holes are formed in the valve seat, and a connecting seat with a movable hole is arranged on the valve seat; the valve core comprises a blocking part matched with the valve seat and a core rod penetrating into the movable port, and the core rod and the blocking part are integrated together; and the blocking part is provided with a concave part with an arc-shaped inner wall.

Optionally, a rotation stopping convex part is arranged on the inner wall of the movable opening, and the core bar is provided with a rotation stopping groove corresponding to the rotation stopping convex part.

Optionally, the inner wall of the gas branch pipe is provided with a positioning convex part, and the inner wall of the rod head is provided with a limiting convex part matched with the positioning convex part to clamp the valve seat, wherein the number of the limiting convex parts is two.

Optionally, the fuel delivery device comprises a feed box, a combustion chamber and a feeder for delivering solid fuel from the feed box into the combustion chamber; wherein the feed box is provided with a filter plate, and the filter plate is provided with a plurality of square filter holes.

Optionally, a material accumulation barrel of a circular funnel is arranged in the middle of the material box, and a material release plate for closing and opening an opening at the lower end of the material accumulation barrel is arranged below the material accumulation barrel.

Optionally, the material release plate is provided with a protruding part, a connecting shaft connected with the accumulation barrel is arranged on the protruding part, a tension spring is sleeved on the connecting shaft, one end of the tension spring is connected with the accumulation barrel, and the other end of the tension spring is connected with the protruding part; the gear is arranged on the protruding portion, a motor is arranged outside the feed box, and the motor is connected with the gear through a chain.

Optionally, the bulge is provided with the material pole that shakes perpendicularly, shake the material pole include with the body of rod that the bulge is connected, be used for beating the beating pole of long-pending feed cylinder outer wall and connect the body of rod with the spring of beating the pole.

In summary, the internal ignition tube is designed to be capable of only unidirectionally supplying air, so that in the combustion process, if liquefied petroleum gas is stopped as fuel, only granular fuel is used as fuel, substances which are raised in the hearth of the oven and are fully combusted are prevented from entering the internal ignition tube, the internal ignition tube is kept clean, and the condition that fuel gas cannot be smoothly discharged due to carbon deposition of the internal ignition tube after long-term use is avoided, so that smoothness and safety in the whole operation process of the oven are ensured.

Drawings

FIG. 1 is a front view of a smoke oven of the present invention.

Fig. 2 is a left side view of the smoke oven of fig. 1.

Fig. 3 is an exploded view of the smoke oven of fig. 1.

Fig. 4 is a partial cross-sectional view of a layer structure of the furnace body of fig. 1.

Fig. 5 is a perspective view of the article placement stage of fig. 1.

Fig. 6 is an exploded view of the article placement stage of fig. 5.

Fig. 7 is a perspective view of the fuel delivery apparatus of fig. 1.

Fig. 8 is a partial perspective view of the fuel delivery apparatus of fig. 7.

FIG. 9 is a partial cross-sectional view of the fuel delivery apparatus of FIG. 7.

Fig. 10 is a perspective view of a portion of the internal device of the fuel delivery device of fig. 7.

Fig. 11 is a perspective view of the gas combustion apparatus of fig. 1.

Fig. 12 is a perspective view of the gas manifold of fig. 11.

Fig. 13 is a partial cross-sectional view of the gas manifold of fig. 12.

Fig. 14 is an exploded view of the gas manifold of fig. 12.

Fig. 15 is an exploded view of the gas manifold of fig. 12 from another perspective.

Fig. 16 is a perspective view of the gas distribution plate of fig. 1.

Fig. 17 is a perspective view of the fixing block of fig. 3.

Detailed Description

In order to enable those skilled in the art to better understand the present invention, the following description will make clear and complete descriptions of the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1 to 3, a solid-gas dual-fuel type smoking oven which can roast food by using charcoal particles or wood particles as fuel; the fuel gas can be selected as fuel, so that the food in the furnace is heated, and the food is roasted; simultaneously, when charcoal or wood particle fuel burns, the gas is synchronously adopted for synchronous heating, so that the whole smoking oven can be quickly heated.

Specifically, the fumigating oven comprises an oven 10, an oven foot 20, a fuel conveying device 30 and a gas burning device 40, wherein the oven 10 is used as a main body of the whole fumigating oven, food is placed in the oven 10, so that the food is roasted, the overall structure of the oven 10 is cylindrical, the oven 10 is designed into the cylindrical shape, and the fumigating oven has the advantages of high structural strength and good impact resistance, so that the oven 10 is not easy to damage and dent when the fumigating oven is transported outdoors through a vehicle. And the circular oven 10 also has a large space for accommodating, so that the oven 10 can cook a large amount of food.

Referring to fig. 3 and 4, the oven 10 includes a furnace body 11 and a furnace cover 12, wherein the furnace cover 12 is covered on the furnace body 11 such that the entire oven 10 is formed in a cylindrical shape. The furnace body 11 specifically comprises an inner plate layer 111, an outer plate layer 112 and a filling layer 113, wherein the inner plate layer 111 is made of a 404 stainless steel metal material with high strength, the inner plate layer 111 has the characteristic of high strength, the outer plate layer 112 is also made of a stainless steel metal material, the outer plate layer 112 is basically consistent with the inner plate layer 111 in structure, the edges of the outer plate layer 112 and the inner plate layer 111 are connected together, a gap is reserved between the inner plate layer 111 and the outer plate layer 112, the filling layer 113 is filled between the inner plate layer 111 and the outer plate layer 112, the filling layer 113 is made of glass fiber thermal insulation cotton, the filling layer 113 is placed between the outer plate layer 112 and an inner plate layer 111 support, the temperature inside the oven 10 can be kept in the baking process, the temperature emission of the oven 10 is reduced, the internal temperature of the oven 10 in the working process is improved, the combustion of fuel can be reduced, and the fuel is saved. Meanwhile, the filling layer 113 is arranged to reduce the outward emission of the internal temperature of the oven 10, so that when the food is baked, people stand on the periphery with high comfort, the strength of the whole oven 10 is ensured, and meanwhile, the weight of the oven 10 is reduced, so that the oven is convenient to transport.

Referring also to fig. 3, the space inside the oven 10 is a firebox 100, and food is placed inside the firebox 100. Inside the furnace 100, an oil guide plate 14 is provided, wherein the oil guide plate 14 is a stainless steel metal plate, and the oil guide plate 14 is located at a middle position of the furnace 100. The oil guide plate 14 is used for heating the flame of the fuel delivery device 30, then transmitting the temperature of the flame to a real object, and the arrangement of the oil guide plate 14 prevents the food from being directly burnt by open fire, thereby ensuring that the food is heated uniformly in the hearth 100, avoiding the local and rapid coking of the food, and ensuring the taste of the food after the food is roasted. The cross section of the oil guide plate 14 is in a curved shape, and the cross section design layer of the oil guide plate 14 is curved, which increases the area of the oil guide plate 14 on one hand, so that the heat of the oil guide plate 14 can be more uniformly transferred upwards after the oil guide plate 14 is heated. Meanwhile, the baffle plates 141 with strip-shaped structures are integrated on the front side and the rear side of the oil guide plate 14, the baffle plates 141 are plates formed by bending the edges of the oil guide plate 14 in an upper position, oil drops on the barbecue grill 17 can be guaranteed to fall onto the oil guide plate 14 in the barbecue process through the arrangement of the oil guide plate 14, and then the oil flows to the edges of the baffle plates 141 along the top curved surface of the oil guide plate 14, so that oil is gathered. Of course, a square oil leakage channel 140 is formed at the position of the oil guide plate 14 close to the baffle 141, and the oil leakage channel 140 is convenient for collecting the dropped oil, and then discharging the oil to the outside of the oven 10, so as to collect the waste oil. The top of the oil guide plate 14 is provided with a plurality of ribs 142, the ribs 142 are metal plates perpendicular to the upper end face of the oil guide plate 14, and the strength of the whole oil guide plate 14 can be improved through the design of the ribs 142, so that the oil guide plate 14 cannot be concavely deformed when the oil guide plate 14 is stressed, and the strength of the oil guide plate 14 is ensured; and the provision of the ribs 142 further increases the surface area of the entire oil guide plate 14, thereby improving the efficiency of the oil guide plate 14 in transferring heat to food.

Specifically, square positioning openings 143 are formed in the oil guide plate 14 at positions near four corners of the oil guide plate 14. Support plates 15 having an L-shaped cross section are fixed to the left and right inner walls of the furnace 100 by bolts, respectively, and the two support plates 15 are used for supporting the left and right ends of the oil guide plate 14. Meanwhile, the corners on the support plate 15 correspond to the positioning openings 143, after the oil guide plate 14 is placed on the support plate 15, the edges of the support plate 15 are inserted into the positioning openings 143, so that the fixing of the oil guide plate 14 is realized, the fixing mode has the advantages of convenience in fixing and firmness in fixing the oil guide plate 14, and the corners of the support plate 15 are directly inserted into the positioning openings 143 to fix the oil guide plate 14, compared with the mode that the corners of the support plate 15 are inserted into the positioning openings 143 by arranging the convex inserting plates on the support plate 15, the corners of the support plate 15 are not protruded from the support plate 15, therefore, deformation is not easy to occur, and the fixing mode has the advantage of high durability when the oil guide plate 14 is fixed.

Referring to fig. 3, a fixing frame 18 is provided on the inner wall of the inner plate layer 111 above the oil guide plate 14, the support plate 16 is a metal plate, and a barbecue grill 17 is detachably placed on the support plate 16, wherein the barbecue grill 17 is formed by welding a plurality of longitudinal bars along the width direction of the oven 10 and three cross bars. The upper parts of the left and right side walls of the furnace chamber 100 are respectively fixed with a fixing frame 18 through bolts or welding, wherein the cross section of the main body of the fixing frame 18 is in a Z-shaped structure, the fixing frame 18 specifically comprises a transverse plate 181, a vertical plate 182 and a supporting plate 183, the edge of the transverse plate 181 is integrated with the upper end of the vertical plate 182, and the edge of the supporting plate 183 is integrated with the lower end of the vertical plate 182. Through this mode of setting makes mount 18 have certain elasticity, has placed heat preservation frame 19 between two mounts 18, heat preservation frame 19 is located the top of barbecue 17, therefore the inside minimum temperature of whole oven 10 can transmit on heat preservation frame 19 to the food after having fired is kept warm on heat preservation frame 19, has ensured the taste of food when eaten by this. Because the fixing frame 18 is formed by integrating three metal plates, the fixing frame 18 has a certain elasticity, and when the heat-insulating frame 19 is fixed, the support plates 183 not only can support the heat-insulating frame 19, but also the vertical plates 182 can clamp the heat-insulating frame 19, so that the stability of the heat-insulating frame 19 in the hearth 100 is maintained, and meanwhile, the heat-insulating frame 19 is convenient to transport together in the hearth 100.

Specifically, the fixing frame 18 has a groove 184, and the groove 184 is a notch that penetrates along the edge of the transverse plate 181, and the other part is a notch that is recessed from top to bottom along the vertical plate 182. The plurality of grooves 184 are equally spaced along the length of the mount 18. The heat preservation frame 19 is provided with the sand grip 191, after the heat preservation frame 19 is placed on the mount 18, the sand grip 191 is embedded into the recess 184, has realized fixing the heat preservation frame 19.

Referring to fig. 1-3 and fig. 5-6, an article placing table 101 is disposed on the right side wall of the furnace body 11, the article placing table 101 can be used for placing strips, and the article placing table 101 comprises a table body 1011, a table cavity 1012 and a table surface 1013, wherein the table body 1011 is a metal table which is made of aluminum alloy material and has a substantially triangular cross section, the table body 1011 is downwards concavely formed with the table cavity 1012, the table cavity 1012 is a concave cavity, and the table cavity 1012 can be used for placing oil, seasonings and the like. A dividing rack 1016 is provided within the chamber 1012, the dividing rack 1016 being a plastic rack, the dividing rack 1016 dividing the chamber 1012 interior into a plurality of chambers so that different strips can be placed in a divided manner. By placing the seasonings separately, the food brush can be conveniently taken when the seasonings are brushed on the food. A support ledge 1014 is provided on the inner wall of the chamber 1012, the table 1013 is a metal plate, and the table 1013 is placed into the chamber 1012 and then rests on the support ledge 1014. The provision of the table 1013 facilitates the formation of an entirely flat surface for the article placement table 101 so that a larger tray can be placed on the table 1013. At the same time, a plurality of drain holes 1015 are provided in the bottom of the chamber 1012, which facilitate the draining of dirt from the holes.

Further, the furnace cover 12 is rotatably connected with the furnace body 11 through a hinge, or the furnace cover 12 can slide upwards along an arc-shaped track of the furnace body 11 through a sliding rail. The material of the furnace cover 12 is completely the same as that of the furnace body 11, so the furnace cover 12 also has heat insulation performance. The cover 12 is provided to cover the oven body 11, thereby closing the entire oven 10. The pressure gauge 121 is arranged on the furnace cover 12, and the pressure gauge 121 is used for monitoring the pressure inside the oven 10, so that the safety of the oven 10 in the working process is ensured. An n-shaped handle 122 is also arranged on the furnace cover 12, and the handle 122 can facilitate the opening of the furnace cover 12.

Specifically, an oil hole (not specifically shown in the figure) is formed in the lower portion of the furnace body 11, the oil hole is formed by surrounding a square metal cylinder, an opening at the upper end of the oil hole corresponds to the oil leakage channel 140, and an oil receiving barrel 102 is connected to the furnace body 11 through a hook, and the oil receiving barrel 102 is used for receiving oil flowing down the oil leakage channel 140.

The lower end of the furnace body 11 is connected with the furnace feet 20, and the furnace feet 20 are aluminum alloy feet. The furnace leg 20 specifically includes a first leg group 21 and a second leg group 22, where the first leg group 21 is formed by two aluminum alloy legs located at one side of the furnace body 11, the second colloid group is formed by two aluminum alloy legs located at the other side of the furnace body 11, and a moving wheel is disposed on the second leg group 22, and the moving wheel is a wear-resistant plastic wheel or a wear-resistant rubber wheel, and when the oven 10 is moved, the oven 10 can be moved by only raising one side of the furnace body 11, and the oven 10 can be moved conveniently by setting the moving wheel 221. And a rack 23 is arranged between the first leg group 21 and the second leg group 22, the rack 23 is a metal flat plate, and the rack 23 is used for placing articles.

With further reference to fig. 7-10, the fuel delivery device 30 is configured to deliver solid fuel to the interior of the furnace 100. The fuel delivery device 30 comprises a bin 31, a feeder 32, a combustion chamber 33 and a flame dividing plate 34, wherein the bin 31 is used for storing solid wood particles or charcoal particles, and then solid fuel is released to the feeder 32 at intervals, and then the solid fuel is delivered to the combustion chamber 33 through the feeder 32 for combustion. Wherein the bin 31 is a square aluminum alloy box, the upper end of the bin 31 is connected with a box cover 311 through a hinge, and the box cover 311 is used for covering the upper part of the bin 31, so that the whole bin 31 can be closed. The upper end close to the feed box 31 is connected with the filter plate 312 through bolts, and the filter plate 312 is provided with a plurality of square filter holes 3121 with round corners, the filter holes 3121 are square, which can facilitate solid fuel entering into the bottom of the feed box 31 on one hand, avoid the solid fuel from being blocked, and improve the passing rate of the fuel. The filter plate 312 is used to filter out solid fuel with excessive particles, so as to prevent the solid fuel with excessive particles from blocking the feeder 32, and damaging the feeder 32.

Specifically, a circular funnel-shaped accumulation cylinder 313 is provided in the middle of the bin 31, and a lower end opening of the accumulation cylinder 313 is smaller than an upper end opening. Solid fuel is deposited in the fuel accumulation drum 313 and can be transported from the fuel drum to fall into the feeder 32. A material release plate 314 is arranged below the material accumulation barrel 313, the material release plate 314 is a metal plate, and the material release plate 314 is used for closing and opening the lower end opening of the material accumulation barrel 313, thereby realizing the discharging effect.

The material release plate 314 protrudes at one position to form a circular protruding portion 3141, a connecting shaft 3142 penetrates into the middle portion of the protruding portion 3141, the upper end of the connecting shaft 3142 is movably connected with the outer wall of the lower portion of the accumulation barrel 313, and therefore the material release plate 314 can rotate to release the material into the feeder 32 for feeding. In this way, a timed release of solid fuel can be achieved. Meanwhile, a tension spring 3143 is sleeved on the connecting shaft 3142, the upper end of the tension spring 3143 is connected to the upper side of the accumulation barrel 313, the lower end of the tension spring 3143 is connected to the protruding portion 3141, the tension spring 3143 can pull the material release plate 314 to be in contact with the accumulation barrel 313, meanwhile, the arrangement of the tension spring 3143 can also ensure that when the material release plate 314 closes the accumulation barrel 313, if the material release plate 314 clamps solid fuel, the material release plate 314 moves downwards, and therefore damage to the material release plate 314 caused by clamping of the solid fuel is avoided. A gear 3144 is integrated below the protruding portion 3141, a motor 3145 is arranged outside the material box 31, and the motor 3145 is connected with the gear 3144 through a chain 3146, so that the motor 3145 can drive the material release plate 314 to rotate, and the material accumulation barrel 313 is opened and closed. By means of the chain 3146, when the material release plate 314 moves up and down, the chain 3146 and the gear 3144 cannot be separated, so that the tight meshing between the chain 3146 and the gear 3144 is guaranteed, and the motor 3145 is guaranteed to normally drive the material release plate 314 to work.

Further, a vibrating rod 315 is vertically disposed on the protruding portion 3141, the vibrating rod 315 rotates synchronously with the opening of the material release plate 314, and the vibrating rod 315 touches the outer wall of the stacking cylinder 313, so that the stacking cylinder 313 vibrates, and the stacked materials can be vibrated. It should be noted that during discharging, the motor 3145 rotates in a forward and reverse direction with a small amplitude, so that the vibration rod 315 can repeatedly vibrate the outer wall of the accumulation cylinder 313 back and forth, thereby realizing continuous release of solid fuel, and avoiding accumulation of materials.

Specifically, the vibrating rod 315 is specifically formed by connecting a rod body 3151 at the lower end, a beating rod 3152 and a spring 3153, wherein the lower end of the rod body 3151 is connected to the protruding portion 3141 in a threaded manner, the lower end of the spring 3153 is connected to the upper end of the rod body 3151, the lower end of the beating rod 3152 is connected to the upper end of the spring 3153, when the material release plate 314 rotates under the driving of the motor 3145, the spring 3153 is bent when the vibrating rod 315 moves along with the motion of the vibrating rod 3153, and then the beating rod 3152 is moved, and in the process, the beating rod 3152 accumulates two force paths of the force formed by the elastic force generated when the moving spring 3153 bends and the force formed when the motor 3145 drives, so that the force path of the beating rod 3152 is large when the material accumulation cylinder 313 is beaten, the solid fuel is subjected to large vibration, and thus the solid fuel can fall down.

Further, the feeder 32 is configured to convey the solid fuel into the combustion chamber 33, the feeder 32 includes a receiving tray 321, a feeding motor 322, and a spiral feeding roller 328, wherein the feeding tray is located directly below the stacking cylinder 313, one end of the spiral feeding roller is located in the middle of the receiving tray 321, the solid fuel falls into the receiving tray 321, and then the feeding roller is driven by the feeding motor 322 to convey the solid fuel into the combustion chamber 33 for combustion. Wherein the combustion chamber 33 is located at the middle position of the furnace 100, and the combustion chamber 33 is a metal block with a groove and made of metal. The fire dividing plate 34 is a metal plate, the fire dividing plate 34 is provided with a plurality of fire outlet holes 340, and the fire dividing plate 34 is covered above the combustion chamber 33, so that the fire in the combustion chamber 33 can leak out of the plurality of fire outlet holes, thereby forming uniform fire and realizing relatively uniform fire in the hearth 100.

Referring to fig. 11-15, in order to implement that the oven 10 may use solid fuel, and simultaneously, may use gas fuel alone, or use the solid fuel in synchronization with the gas fuel, the oven 10 further includes a gas combustion device 40, where the gas combustion device 40 specifically includes a gas pipe 41 for conveying gas, a pressure reducing valve 42, and an internal ignition pipe 44, where the internal ignition pipe 44 includes a gas pipe 441 and a gas branch pipe 442, where the gas pipe 441 is a metal pipe, the gas branch pipes 442 are multiple, and multiple gas branch pipes are arranged along a length direction of the gas pipe, one ends of the multiple gas branch pipes 442 are connected to the gas pipe 441, so that the gas entering the gas pipe 441 may enter the gas branch pipes 442, so as to implement cutting the gas, and make the flame of the gas ignite more uniformly in the oven 100. The gas branch pipe 442 includes a pipe body 4421, a rod head 4422, and a one-way valve 46, wherein the pipe body 4421 is communicated with the gas pipe 441, so that gas enters the pipe body 4421, the pipe head 4422 is made of metal, the pipe head 4422 is an L-shaped rod, the pipe head 4422 is provided with a plurality of air outlets with upward openings, gas leaks from the air outlets 4422a, and the rod head 4422 is L-shaped, which can ensure that the flame is uniform after the gas is ignited.

With further reference to fig. 14-15, the check valve 46 is disposed inside the tube 4421, and the check valve 46 is used to prevent dust in the furnace 100 from entering the tube 4421 from the air outlet when the fuel gas stops being transported, and to prevent carbon deposition inside the tube 4421. The check valve 46 comprises a valve seat 461, a valve core 462 and a return spring 463, wherein the valve seat 461 is a stainless steel metal seat, the valve seat 461 is cylindrical, a plurality of triangular through openings 4611 are formed in the side wall of the valve seat 461, and the through openings 4611 are designed into a triangle shape and have the advantages of high strength of the valve seat 461 and difficult damage. Meanwhile, a connecting seat 4612 is integrated at one end of the valve seat 461, a movable opening 4612a is formed on the connecting seat 4612, and a rotation stopping protruding portion 4612b is arranged on the inner wall of the movable opening 4612 a. The valve core 462 is a hollow thin-wall metal core, and the valve core 462 specifically includes a blocking portion 4621 and a core bar 4622, where the blocking portion 4621 is disc-shaped, and a middle of the blocking portion 4621 is recessed toward the core bar 4622 to form an arc-shaped recess 4622a, and the recess 4622a can accumulate fuel gas in the recess 4622a, so that the blocking portion 4621 can be pushed to move more quickly. This accelerates the movement of the valve element 462, so that the gas pressure in the gas manifold 442 is not too great to push the valve element 462. The core bar 4622 is a hollow metal bar, the core bar 4622 is provided with a rotation stopping groove 4622c, and the rotation stopping groove 4622c corresponds to the rotation stopping protrusion 4612b, so that the valve core 462 does not rotate, and the stability of the movement of the valve core 462 is ensured. A return spring 463 is sleeved on the core bar 4622, one end of the return spring 463 is contacted with the blocking part 4621, and the other end of the return spring 463 is contacted with the connecting seat 4612, so that the return spring 463 can push the valve core 462 to block the front end of the valve seat 461.

Meanwhile, the inner wall of the gas branch pipe 442 is provided with positioning convex parts 4429, the positioning convex parts 4429 are convex rings, one end of the valve seat 461 is propped against the positioning convex parts 4429, the inner wall of the rod head 4422 is provided with two limiting convex parts 4422c, and when the rod head 4422 is connected to the rod body 3151, the two limiting convex parts are matched with the positioning convex parts 4429 to clamp the valve seat 461, so that the check valve 46 is fixed. Specifically, the gas pipe 41 is connected to the gas pipe 441, and the gas pipe 41 controls the amount of gas through a valve provided in the furnace body 11, thereby adjusting the flame size. The pressure reducing valve 42 is connected to the gas guide tube 41, and then the pressure reducing valve 42 is connected to the liquefied gas cylinder. Of course, the ignition switch with gas in the application has the same ignition mode as the gas cooker in the current market, is the prior art, and can also adopt the lighter for ignition, which are all the prior art, so the ignition switch is not repeated here.

In fig. 16-17, a gas fire distributing plate 47 is provided inside the furnace body 11, the gas fire distributing plate 47 is a metal plate with a reversed V-shaped cross section, a socket 471 is provided at a position of the gas fire distributing plate 47 near an end, and the socket 471 is a square port. The furnace body 11 is provided with fixing blocks 472 on front and rear inner walls, the fixing blocks 472 are metal blocks, the cross section of the fixing blocks 472 is approximately Z-shaped, the fixing blocks 472 comprise a connecting plate 4721, a transition plate 4722, an inclined plate 4723 and a fixing plate 4724, wherein the connecting plate 4721 is a plate along the height direction of the furnace body 11, the transition plate 4722 is a metal plate vertically integrated on the connecting plate 4721, and an inclined plate 4723 is obliquely arranged at one end of the transition plate 4722, and the inclined plate 4723 is a metal plate with a triangular cross section. The end of the inclined plate 4723 extends forward to form the fixing plate 4724, and a socket block 4725 is integrated on the fixing plate 4724, and when the gas distribution plate 47 is placed on the fixing block 472, the socket block 4725 is sleeved into the socket 471, so that the gas distribution plate 47 is supported and fixed.

Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art is able to solve the technical problem within a certain error range, substantially achieving the technical effect.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a commodity or system comprising such elements.

While the foregoing description illustrates and describes the preferred embodiments of the present application, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept as expressed herein, either as a result of the foregoing teachings or as a result of the knowledge or technology of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the application are intended to be within the scope of the appended claims.

Claims (7)

1. The solid-gas dual-fuel type smoking oven comprises an oven, an oven foot used for supporting the oven, a fuel conveying device used for conveying solid fuel into the oven and a gas combustion device used for combusting gas, wherein the fuel conveying device is arranged on one side of the oven, and the gas combustion device is arranged in the oven; the gas combustion device is characterized by comprising a gas guide pipe for conveying gas, a pressure reducing valve arranged at one end of the gas guide pipe, an external sleeve arranged in the oven and an internal ignition pipe, wherein the internal ignition pipe is arranged on the external sleeve and is used for unidirectional gas supply;

The internal ignition tube comprises a gas tube and a plurality of gas branch tubes arranged along the length direction of the gas tube, the gas branch tubes are communicated with the gas tube, and the gas branch tubes comprise a tube body, a rod head in threaded connection with the tube body and a one-way valve arranged in the tube body;

The one-way valve comprises a valve seat, a valve core capable of moving on the valve seat and a return spring sleeved on the valve core, and the valve core is hollow;

The valve seat is provided with a plurality of triangular through holes, and the valve seat is provided with a connecting seat with a movable hole; the valve core comprises a blocking part matched with the valve seat and a core rod penetrating into the movable port, and the core rod and the blocking part are integrated together; and the blocking part is provided with a concave part with an arc-shaped inner wall.

2. The solid-gas dual-fuel type smoking oven according to claim 1, wherein the inner wall of the movable port is provided with a rotation stopping protrusion, and the core bar is provided with a rotation stopping groove corresponding to the rotation stopping protrusion.

3. The solid-gas dual-fuel type smoking oven according to claim 1, wherein the inner wall of the gas branch pipe is provided with positioning convex parts, and the inner wall of the club head is provided with limiting convex parts matched with the positioning convex parts to clamp the valve seat, wherein the number of the limiting convex parts is two.

4. The solid-gas dual-fuel type smoking oven of claim 1, wherein the fuel delivery device comprises a feed box, a combustion chamber, and a feeder for delivering solid fuel from the feed box into the combustion chamber;

Wherein the feed box is provided with a filter plate, and the filter plate is provided with a plurality of square filter holes.

5. The solid-gas dual-fuel type smoking oven of claim 4, wherein a material accumulation barrel of a circular hopper is arranged in the middle of the material box, and a material release plate for closing and opening a lower end opening of the material accumulation barrel is arranged below the material accumulation barrel.

6. The solid-gas dual-fuel type smoking oven according to claim 5, wherein the material release plate is provided with a protruding part, a connecting shaft connected with the accumulation barrel is arranged on the protruding part, a tension spring is sleeved on the connecting shaft, one end of the tension spring is connected with the accumulation barrel, and the other end of the tension spring is connected with the protruding part; the gear is arranged on the protruding portion, a motor is arranged outside the feed box, and the motor is connected with the gear through a chain.

7. The solid-gas dual-fuel type smoking oven of claim 6, wherein the protruding portion is vertically provided with a vibrating rod, the vibrating rod comprises a rod body connected with the protruding portion, a beating rod for beating the outer wall of the accumulation barrel, and a spring for connecting the rod body and the beating rod.