CN114343448A - Solid gas dual-fuel type smoke and smoke oven - Google Patents

Abstract

The invention belongs to the technical field of roasters, in particular to a solid-gas dual-fuel type smoking oven, which comprises an oven, oven feet for supporting the oven, a fuel conveying device for conveying solid fuel into the oven and a gas combustion device for combusting 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, an external sleeve arranged in the oven and an internal ignition tube, wherein the internal ignition tube is arranged on the external sleeve and is used for unidirectional gas supply. This application is through designing into inside lighting tube can only one-way air feed, avoids raising the burning abundant and the insufficient material of burning in the furnace of oven and enters into inside lighting tube, keeps inside lighting tube clean, avoids inside lighting tube to appear the carbon deposit and causes the unable smooth discharge of gas.

Description

Solid gas dual-fuel type smoke and smoke oven

Technical Field

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

Background

Barbecue is a popular cooking mode for the public, and is more and more popular with people in urban life or field outing. The granule possesses the characteristics that the calorific value is high, pollute little, low price, and as barbecue fuel, make the oven possess smoked function again simultaneously, can improve the taste of food, along with the continuous development of granule fuel oven, the granule fuel oven obtains extensive application with its unique advantage.

The oven that exists on the existing market is mostly the granule oven, has certainly also appeared the part and has been used for burning liquefied petroleum gas's oven, but two kinds of ovens all exist singly, and the oven that does not burn liquefied petroleum gas and particle fuel coexists has not yet on the existing market, therefore this application provides a burning liquefied petroleum gas and particle fuel coexists oven, solves the problem that particle fuel's dust enters into in the liquefied petroleum gas combustion head and causes inside carbon deposit in the oven simultaneously.

Disclosure of Invention

The invention provides a solid-gas dual-fuel type smoking and baking oven for preventing dust from entering a liquefied petroleum gas head in order to overcome the defects of the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions: a solid-gas dual-fuel type smoking oven comprises an oven, an oven foot for supporting the oven, a fuel conveying device for conveying solid fuel into the oven and a gas combustion device for combusting 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, an external sleeve arranged in the oven and an internal ignition tube, wherein the internal ignition tube is arranged on the external sleeve and is used for unidirectional gas supply.

This application is through designing into inside light tube can only one-way air feed, consequently in the combustion process, if stop liquefied petroleum gas's as fuel, only adopt pellet fuel when using as fuel, it has been avoided the abundant and insufficient material of burning of the interior furnace of raising in the oven to enter into inside light tube, it is clean to keep inside light tube, after having avoided long-term the use, inside light tube appears the carbon deposit and causes the unable exhaust condition smoothly of gas, it has ensured smooth and easy nature and the security in the whole oven course of work. Adopt the dual combustion effect of solid fuel burning and gas fuel burning simultaneously, when carrying out the barbecue, can switch over the heating method at any time as required, consequently oven convenient to use. Meanwhile, due to the adoption of the double heating mode, the temperature of the oven can be quickly raised by adopting the double heating mode, the early waiting time during the barbecue is reduced, and the barbecue efficiency is improved.

Optionally, the internal ignition tube includes a gas tube and a plurality of gas branch tubes arranged along a length direction of the gas tube, the gas branch tubes are communicated with the gas tube, and the gas branch tubes include a tube body, a rod head screwed with the tube body, and a one-way valve arranged in the tube body.

Optionally, the check valve includes a valve seat, a valve core movable on the valve seat, and a return spring sleeved on the valve core, and the valve core is hollow.

Optionally, 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 opening, and the core rod and the blocking part are integrated together; and a concave part with an arc-shaped inner wall is arranged on the blocking part.

Optionally, a rotation stopping convex portion 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 portion.

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

Optionally, the fuel conveying device comprises a bin, a combustion chamber, and a feeder for conveying the solid fuel from the bin to the combustion chamber; wherein the bin is provided with a filter plate, and the filter plate is provided with a plurality of square filter holes.

Optionally, the middle part of the feed box is provided with a material accumulation barrel with a circular funnel, and a material release plate for closing and opening the lower end opening of the material accumulation barrel is arranged below the material accumulation barrel.

Optionally, the material releasing plate is provided with a protruding part, a connecting shaft connected with the material accumulating cylinder 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 material accumulating cylinder, and the other end of the tension spring is connected with the protruding part; the convex part is provided with a gear, a motor is arranged outside the material box, and the motor is connected with the gear through a chain.

Optionally, a material vibrating rod is vertically arranged on the protruding portion, and the material vibrating rod comprises a rod body connected with the protruding portion, a knocking rod used for knocking the outer wall of the accumulated material barrel, and a spring connected with the rod body and the knocking rod.

To sum up, this application is through designing into inside light tube can only one-way air feed, consequently in the combustion process, if stop liquefied petroleum gas's as fuel, when only adopting the pellet fuel to use as fuel, it has avoided the abundant and insufficient material of burning of the combustion of raising in the furnace of oven to enter into inside light tube, it is clean to keep inside light tube, after having avoided long-term the use, inside light tube appears the carbon deposit and causes the unable exhaust condition smoothly of gas, it has ensured smooth and easy nature and security in the whole oven course of operation.

Drawings

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

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

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

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

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

Fig. 6 is an exploded view of the item placement station 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 assembly of the fuel delivery assembly of fig. 7.

Fig. 11 is a perspective view of the gas combustion device 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 from another perspective of the gas manifold of fig. 12.

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

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

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

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

Specifically, the smoke oven includes oven 10, foot 20, fuel delivery device 30 and gas burner 40, and wherein oven 10 is as the main part of whole smoke oven, and food is used for placing in oven 10 to the realization is roasted food, and this oven 10 overall structure is cylindric, designs oven 10 for cylindric its advantage that has structural strength height, and shock resistance is good for cylindric it, consequently when transporting smoke oven to the open air through the vehicle, oven 10 is not fragile sunken. And circular oven 10 also has a large amount of space to accommodate, a large amount of food that can be cooked by oven 10.

Referring to fig. 3 and 4, oven 10 includes an oven body 11 and an oven cover 12, wherein oven cover 12 covers behind oven 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 high-strength 404 stainless steel metal material, the inner plate layer 111 has the characteristic of high strength, the outer plate layer 112 is also made of stainless steel metal material, the outer ply 112 is substantially identical in structure to the inner ply 111, and the edges of the outer ply 112 and the inner ply 111 are joined together, so that a gap is left between the inner panel layer 111 and the outer panel layer 112, the filling layer 113 is filled between the inner panel layer 111 and the outer panel layer 112, the filling layer 113 is made of glass fiber heat-insulating cotton, and by placing the filling layer 113 between the outer plate layer 112 and the inner plate layer 111, the temperature inside the oven 10 can be kept in the barbecue process, the temperature emission of the oven 10 is reduced, the temperature inside the oven 10 is increased in the working process, the combustion of fuel can be reduced, and the fuel is saved. Meanwhile, the filling layer 113 is arranged to reduce the outward diffusion of the temperature inside the oven 10, so that when the food is baked, the comfort of people standing around is high, the strength of the whole oven 10 is guaranteed, the weight of the oven 10 is reduced, and the transportation is convenient.

Referring also to fig. 3, the space inside oven 10 is a firebox 100, and food is placed inside firebox 100. An oil guide plate 14 is arranged inside the hearth 100, wherein the oil guide plate 14 is a stainless steel metal plate, and the oil guide plate 14 is located in the middle of the hearth 100. Oil guide plate 14 is used for supplying fuel delivery device 30's flame to heat, then transmits the temperature of flame to the material object, avoids food to be directly burnt by naked light through this oil guide plate 14's setting, and the guarantee food is heated evenly inside furnace 100 from this, avoids the local quick coking of food, has ensured the taste after good to food barbecue. The cross section of the oil guide plate 14 is a curved shape, and the cross section of the oil guide plate 14 is designed to be a curved shape, so that the area of the oil guide plate 14 is increased, and therefore after the oil guide plate 14 is heated, the heat of the oil guide plate 14 can be more uniformly transferred upwards. Meanwhile, the front side and the rear side of the oil guide plate 14 are integrated with the baffle 141 with a strip-shaped structure, the baffle 141 is a plate formed by bending the edge of the oil guide plate 14 upwards, oil on the barbecue grill 17 can fall onto the oil guide plate 14 in the barbecue process by arranging the oil guide plate 14, and then the oil flows to the edge of the baffle 141 along the top curved surface of the oil guide plate 14, so that the oil is gathered. Of course, the oil guide plate 14 is provided with a square oil leakage channel 140 at a position close to the baffle 141, and the oil leakage channel 140 facilitates the collection of the dropped oil, and then the dropped oil is discharged to the outside of the oven 10, so as to collect the waste oil. The plurality of ribs 142 are arranged at the top of the oil guide plate 14, the ribs 142 are metal plates perpendicular to the upper end surface of the oil guide plate 14, and the strength of the whole oil guide plate 14 can be improved by the design of the ribs 142, so that when the oil guide plate 14 is under pressure, the oil guide plate 14 cannot be deformed in a concave manner, and the strength of the oil guide plate 14 is ensured; and the ribs 142 further increase the surface area of the oil deflection plate 14, thereby increasing the efficiency of the oil deflection plate 14 in transferring heat to the food.

Specifically, the oil guide plate 14 is provided with a square positioning opening 143 at four corner positions close to the oil guide plate 14. Support plates 15 with L-shaped sections are fixed on the left inner wall and the right inner wall of the hearth 100 through bolts, and the two support plates 15 are used for supporting the left end and the right end of the oil guide plate 14. Meanwhile, the corners on the supporting plate 15 correspond to the positioning holes 143, after the oil guide plate 14 is placed on the supporting plate 15, the edge of the supporting plate 15 is inserted into the positioning holes 143, so that the oil guide plate 14 is fixed, the fixing mode is convenient, and the oil guide plate 14 is firmly fixed, and the corners of the supporting plate 15 are directly inserted into the positioning holes 143 to fix the oil guide plate 14.

Referring also to fig. 3, a fixing frame 18 is provided on the inner wall of the inner plate 111 above the oil guide plate 14, the support plate 16 is a metal plate, a grill 17 is detachably placed on the support plate 16, and the grill 17 is formed by welding a plurality of vertical bars and three horizontal bars along the width direction of the oven 10. The fixing frame 18 is fixed on the upper portions of the left and right side walls of the furnace 100 by bolts or welding, wherein the cross-sectional shape of the main body of the fixing frame 18 is a Z-shaped structure, the fixing frame 18 specifically comprises a transverse plate 181, a hanging plate 182 and a support plate 183, the edge of the transverse plate 181 is integrated with the upper end of the hanging plate 182, and the edge of the support plate 183 is integrated with the lower end of the hanging plate 182. Through the setting mode, the fixing frames 18 have certain elasticity, the heat preservation rack 19 is placed between the two fixing frames 18, and the heat preservation rack 19 is located above the barbecue grill 17, so that the lowest temperature in the whole oven 10 can be transmitted to the heat preservation rack 19, the heat preservation of the cooked food on the heat preservation rack 19 is realized, and the taste of the food when being eaten is guaranteed. Because the fixing frame 18 is formed by integrating three metal plates, the fixing frame 18 has certain elasticity, and when the heat preservation frame 19 is fixed, the support plate 183 not only can support the heat preservation frame 19, but also the hanging plate 182 can clamp the heat preservation frame 19, so that the stability of the heat preservation frame 19 in the hearth 100 is kept, and the heat preservation 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 a part of the groove passes through along the edge of the horizontal plate 181, and another part of the groove is a notch that is recessed from top to bottom along the hanging plate 182. The plurality of grooves 184 are equally spaced along the length of the mounting bracket 18. Be provided with sand grip 191 on the heat preservation frame 19, after heat preservation frame 19 placed the mount 18 on, the sand grip 191 is embedded into in the middle of the recess 184, has realized fixing heat preservation frame 19.

Referring to fig. 1 to 3 and fig. 5 to 6, an article placing table 101 is disposed on a right side wall of the furnace body 11, the article placing table 101 can facilitate placing of a strip, and the article placing table 101 includes a table body 1011, a table cavity 1012 and a table top 1013, wherein the table body 1011 is a metal table made of an aluminum alloy material and having a substantially triangular cross section, the table body 1011 is recessed downward to form the table cavity 1012, the table cavity 1012 is a recessed cavity, and the table cavity 1012 can be used for placing oil, seasoning and the like. A partition frame is arranged inside the table cavity 1012, the partition frame 1016 is a plastic frame, and the partition frame 1016 partitions the inside of the table cavity 1012 into a plurality of chambers, so that different strips can be placed in a partition mode. By separately placing the seasonings, the seasoning box can be convenient to take when the seasonings are brushed on the food. The inner wall of the table cavity 1012 is provided with a supporting ledge 1014, the table surface 1013 is a metal plate, and the table surface 1013 is put into the table cavity 1012 and then is erected on the supporting ledge 1014. The arrangement of the table surface 1013 facilitates the formation of the article placing table 101 as a whole flat surface, so that a large number of dishes can be placed on the table surface 1013. Meanwhile, a plurality of drainage holes 1015 are formed in the bottom of the table cavity 1012, so that dirty objects can be conveniently drained from the drainage holes.

Further, the furnace cover 12 is rotatably connected to the furnace body 11 by a hinge, or alternatively, the furnace cover 12 may slide up and down along an arc-shaped track of the furnace body 11 by a slide rail. The material of the furnace cover 12 is completely the same as that of the furnace body 11, and therefore the furnace cover 12 also has heat insulating properties. The cover 12 is used to cover the oven body 11, thereby closing the whole oven 10. Be provided with manometer 121 on bell 12, manometer 121 is used for monitoring the inside pressure of oven 10, ensures the security of oven 10 in the course of the work. 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 tube, an opening at the upper end of the oil hole corresponds to the oil leakage channel 140, 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 from the oil leakage channel 140.

The lower end of the furnace body 11 is connected with the furnace foot 20, and the furnace foot 20 is an aluminum alloy foot. Stove foot 20 specifically includes first foot body group 21 and second foot body group 22, wherein first foot body group 21 is for being located two aluminium alloy feet of furnace body 11 one side are constituteed, second colloid group is then for being located two aluminium alloy feet of furnace body 11 opposite side be provided with on the second foot body group 22 and remove the wheel, it is wear-resisting plastic wheel or wear-resisting rubber wheel to remove the wheel when oven 10, only need stick up one side of furnace body 11, can realize removing oven 10, can be convenient for remove oven 10 through the setting of removing wheel 221. And an article placing rack 23 is arranged between the first leg body group 21 and the second leg body group 22, the article placing rack 23 is a metal flat plate, and the article placing rack 23 is used for placing articles.

Referring further to fig. 7-10, the fuel delivery assembly 30 is configured to deliver solid fuel to the interior of the furnace 100. The fuel feeding device 30 comprises a bin 31, a feeder 32, a combustion chamber 33 and a distributor 34, wherein the bin 31 is used for storing solid wood particles or charcoal particles, then the solid fuel is discharged to the feeder 32 at intervals, and then the solid fuel is fed to the combustion chamber 33 through the feeder 32 to be combusted. The bin 31 is a square aluminum alloy box, the upper end of the bin 31 is hinged to a lid 311, and the lid 311 covers 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 a filter plate 312 through bolts, the filter plate 312 is provided with a plurality of square filter holes 3121 with round corners, the filter holes 3121 are square, solid fuel can enter the bottom of the feed box 31 conveniently on one hand, the solid fuel is prevented from being blocked, and the fuel passing rate is improved. The filter plate 312 is used to filter out solid fuel with too large particles, so as to prevent the solid fuel with too large particles from blocking the feeder 32 and causing damage to the feeder 32.

Specifically, a material accumulating cylinder 313 of a circular funnel is arranged in the middle of the material box 31, and the lower end opening of the material accumulating cylinder 313 is smaller than the upper end opening. Solid fuel accumulates in the accumulator 313 and solid fuel can be transported from the accumulator to fall into the feeder 32. A material releasing plate 314 is arranged below the material collecting barrel 313, the material releasing plate 314 is a metal plate, and the material releasing plate 314 is used for closing and opening a lower end opening of the material collecting barrel 313, so that the discharging effect is realized.

One position of the material releasing plate 314 protrudes to form a circular protruding part 3141, a connecting shaft 3142 penetrates through the middle part of the protruding part 3141, and the upper end of the connecting shaft 3142 is movably connected with the outer wall of the lower part of the material accumulating barrel 313, so that the material releasing plate 314 can rotate, and materials are released into the material feeder 32 to be fed. In this way, 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 part of the material collecting barrel 313, and the lower end of the tension spring 3143 is connected to the protrusion 3141, so that the tension spring 3143 can pull the material releasing plate 314 to be in contact with the material collecting barrel 313, and the tension spring 3143 can ensure that the material releasing plate 314 moves downwards when the material releasing plate 314 closes the material collecting barrel 313 and the solid fuel is clamped by the material releasing plate 314, thereby preventing the solid fuel from being clamped to damage the material releasing plate 314. A gear 3144 is integrated below the convex part 3141, a motor 3145 is arranged outside the bin 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, the chain 3146 and the gear 3144 cannot be separated when the material releasing plate 314 moves up and down, so that the chain 3146 and the gear 3144 are tightly meshed, and the motor 3145 is guaranteed to normally drive the material releasing plate 314 to work.

Further, a material vibrating rod 315 is vertically disposed on the protrusion 3141, the material vibrating rod 315 rotates synchronously with the material releasing plate 314 after being opened, and the material vibrating rod 315 touches the outer wall of the material accumulating cylinder 313, so that the material accumulating cylinder 313 vibrates, and thus the accumulated material can be vibrated. It should be noted that during discharging, the motor 3145 rotates in a small amplitude in a forward and reverse direction, so that the material vibrating rod 315 can repeatedly vibrate the outer wall of the material accumulating cylinder 313 back and forth, thereby achieving continuous release of solid fuel, which prevents the material from being accumulated.

Specifically, the material vibrating rod 315 is formed by connecting a rod body 3151, a striking rod 3152 and a spring 3153 at the lower end, wherein the lower end of the rod body 3151 is connected to the protrusion 3141 in a threaded manner, the lower end of the spring 3153 is connected to the upper end of the rod body 3151, and the lower end of the striking rod 3152 is connected to the upper end of the spring 3153, so that when the material releasing plate 314 rotates under the driving of the motor 3145, the spring 3153 bends when the material vibrating rod 315 acts, and then the striking rod 3152 is carried along, and two force paths formed by the elastic force when the moving spring 3153 bends and the force formed when the motor 3145 drives are accumulated in the striking rod 3152 in the process, so that when the striking rod 3152 strikes the material accumulating barrel 313, the force path is large, the solid fuel is subjected to large vibration, and the solid fuel can fall down.

Further, the feeder 32 is used for conveying solid fuel into the combustion chamber 33, and the feeder 32 includes a receiving tray 321, a feeding motor 322, and a spiral feeding roller 328, wherein the feeding tray is located right below the material collecting barrel 313, and 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 motor 322 drives the feeding roller to convey the material 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 made of metal and having a groove. Divide fiery board 34 to be the metal sheet, should divide and have a plurality of fire holes 340 on the fiery board 34, divide fiery board 34 lid in combustion chamber 33 top, consequently the flame in the combustion chamber 33 can spill in the middle of a plurality of fire holes to form even flame, realized that the inside fire of furnace 100 is comparatively even.

Referring to fig. 11-15, to implement grill 10, solid fuel may be used, while gaseous fuel may be used alone, or a solid fuel, is used in conjunction with a gaseous fuel, and a gas burner 40 is included on grill 10, the gas combustion device 40 comprises in particular a gas duct 41 for delivering gas, a pressure reducing valve 42 and an internal lighting tube 44, wherein the inner ignition tube 44 includes a gas tube 441 and a gas branch tube 442, wherein the gas tube 441 is a metal tube, wherein, the gas branch pipes 442 are multiple and arranged along the length direction of the gas pipe, one end of the gas branch pipes 442 is communicated to the gas pipe 441, so that the gas introduced into the gas pipe 441 respectively enters the gas branch pipes 442, thereby realizing the segmentation to the gas for the flame that the gas was lighted is more even in furnace 100. The gas branch pipe 442 includes a pipe 4421, a rod head 4422 and a check valve 46, wherein the pipe 4421 is communicated with the gas pipe 441, so that gas enters the pipe 4421, the pipe head 4422 is also made of metal, the pipe head 4422 is an L-shaped rod, the pipe head 4422 is provided with a plurality of gas outlets with upward openings, gas leaks from the gas outlets 4422a, and the rod head 4422 is designed into an L-shaped structure, which can ensure uniform flame 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 gas stops being transported, so as to prevent carbon deposition inside the tube 4421. The check valve 46 includes a valve seat 461, a valve element 462 and a return spring 463, wherein the valve seat 461 is a stainless steel metal seat, the valve seat 461 is cylindrical, and a plurality of triangular ports 4611 are formed on a side wall of the valve seat 461, and the ports 4611 are designed to be triangular, which has the advantages that the valve seat 461 is high in strength and is not easily damaged. Meanwhile, a connecting seat 4612 is integrated at one end of the valve seat 461, a movable opening 4612a is opened on the connecting seat 4612, and a rotation stopping protrusion 4612b is arranged on the inner wall of the movable opening 4612 a. The valve core 462 is a thin-wall metal core with a hollow inner part, and the valve core 462 specifically comprises a blocking part 4621 and a core rod 4622, wherein the blocking part 4621 is disc-shaped, and the middle of the blocking part 4621 is recessed towards the core rod 4622 to form a concave part 4622a with an arc-shaped surface, and the concave part 4622a can accumulate gas in the concave part 4622a, so that the blocking part 4621 can be pushed to move more quickly. This accelerates the movement of the valve element 462, and thus the gas pressure of the gas in the gas branch pipe 442 is not too high to push the valve element 462. The core rod 4622 is a hollow metal rod, the core rod 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 cannot rotate, and the stability of the movement of the valve core 462 is ensured. A return spring 463 is fitted over the stem 4622, and one end of the return spring 463 contacts the stopper 4621 and the other end contacts the connecting seat 4612, so that the return spring 463 pushes the valve element 462 to close the front end of the valve seat 461.

Meanwhile, the inner wall of the gas branch pipe 442 is provided with a positioning convex part 4429, the positioning convex part 4429 is a convex ring, one end of the valve seat 461 abuts against the positioning convex part 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 and the positioning convex part 4429 cooperate to clamp the valve seat 461, so that the one-way valve 46 is fixed. Specifically, the gas guiding tube 41 is connected to the gas tube 441, and the gas guiding tube 41 controls the gas amount through a valve arranged on the furnace body 11, so as to adjust the flame size. The pressure reducing valve 42 is connected to the gas line 41, and then the pressure reducing valve 42 is connected to the liquefied gas cylinder. Of course have the ignition switch of gas in this application, this ignition switch is the same with the ignition mode of gas range on the existing market, for prior art, also can adopt the lighter to ignite simultaneously, and it is prior art, consequently no longer gives unnecessary details here.

In fig. 16-17, a gas distributor plate 47 is arranged inside the furnace body 11, the gas distributor plate 47 is a metal plate with an inverted V-shaped cross section, a socket 471 is arranged at a position of the gas distributor plate 47 close to the end, and the socket 471 is a square opening. Fixed blocks 472 are respectively arranged on the front and rear inner walls of the furnace body 11, the fixed blocks 472 are metal blocks, the section of the fixed blocks 472 is approximately Z-shaped, the fixed blocks 472 include a connecting plate 4721, a transition plate 4722, an inclined plate 4723 and a fixed 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, the 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 section. The end of the inclined plate 4723 extends forward to form the fixing plate 4724, and a sleeve joint block 4725 is integrated on the fixing plate 4724, when the gas distributor plate 47 is placed on the fixing block 472, the sleeve joint block 4725 is sleeved in the sleeve joint 471, so that the gas distributor plate 47 is supported and fixed.

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.

It is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good 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 good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

The foregoing description shows and describes several preferred embodiments of the present application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the application as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.

Claims (10)

1. A solid-gas dual-fuel type smoking oven comprises an oven, an oven foot for supporting the oven, a fuel conveying device for conveying solid fuel into the oven and a gas combustion device for combusting 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, an external sleeve arranged in the oven and an internal ignition tube, wherein the internal ignition tube is arranged on the external sleeve and is used for unidirectional gas supply.

2. The solid-gas dual-fuel type smoking oven according to claim 1, wherein 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 each gas branch tube comprises a tube body, a rod head screwed with the tube body, and a check valve arranged in the tube body.

3. The solid-gas dual-fuel type smoking oven as claimed in claim 2, wherein the one-way valve comprises a valve seat, a valve core movable on the valve seat and a return spring sleeved on the valve core, and the valve core is arranged in a hollow manner.

4. The solid-gas dual-fuel type smoking oven as claimed in claim 3, wherein 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 opening, and the core rod and the blocking part are integrated together; and a concave part with an arc-shaped inner wall is arranged on the blocking part.

5. The solid-gas dual-fuel type smoking oven according to claim 4, wherein the inner wall of the movable opening is provided with a rotation stopping convex part, and the core bar is provided with a rotation stopping groove corresponding to the rotation stopping convex part.

6. The solid-gas dual-fuel type smoking oven according to claim 4, wherein the inner wall of the gas branch pipe is provided with a positioning convex part, the inner wall of the rod head is provided with a limiting convex part which is matched with the positioning convex part to clamp the valve seat, and the number of the limiting convex parts is two.

7. The solid-gas dual fuel type smoking oven of claim 1, wherein the fuel delivery device comprises a feed tank, a combustion chamber, a feeder for delivering solid fuel from the feed tank into the combustion chamber; wherein the bin is provided with a filter plate, and the filter plate is provided with a plurality of square filter holes.

8. The solid-gas dual-fuel type smoking oven according to claim 7, wherein the middle part of the feed box is provided with a material accumulation barrel with a circular funnel, and a material release plate for closing and opening the lower end opening of the material accumulation barrel is arranged below the material accumulation barrel.

9. The solid-gas dual-fuel type smoking oven as claimed in claim 7, wherein the material releasing plate is provided with a convex part, the convex part is provided with a connecting shaft connected with the material accumulating barrel, a tension spring is sleeved on the connecting shaft, one end of the tension spring is connected with the material accumulating barrel, and the other end of the tension spring is connected with the convex part; the convex part is provided with a gear, a motor is arranged outside the material box, and the motor is connected with the gear through a chain.

10. The solid-gas dual-fuel type smoking oven according to claim 7, wherein the protrusion is vertically provided with a material vibrating rod, and the material vibrating rod comprises a rod body connected with the protrusion, a knocking rod for knocking the outer wall of the accumulated material barrel and a spring for connecting the rod body and the knocking rod.

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