CN209857116U - Energy-saving environment-friendly double-hole cooking stove - Google Patents

Abstract

The utility model discloses an energy-saving and environment-friendly double-hole cooking stove, which comprises a stove body, wherein the rear side of a front panel of the stove body is provided with a main gas pipeline for transmitting gas and two sets of emergency ignition systems corresponding to fire holes; the emergency ignition system comprises an electromagnetic valve, an emergency change-over valve and an air-burning prevention magnetic control valve, fuel gas enters a main gas pipeline through a gas inlet at one end of the main gas pipeline and sequentially enters a combustor through the electromagnetic valve and the air-burning prevention magnetic control valve to form a main gas path, and the emergency change-over valve is connected with the electromagnetic valve in parallel to form a standby gas path; when the electromagnetic valve stops working, gas passes through the emergency change-over valve and the idle combustion preventing electromagnetic valve in sequence to realize gas circuit switching, and the water tank internally comprises a gas pipe communicated with the hearth. Frying stove have emergent ignition system and flame-out protection device, appear damaging when electronic component, emergent ignition system accessible reserve gas circuit, and then reduce maintenance latency, the response needle is when not sensing flame temperature, the solenoid valve is in the closed condition, prevents that the gas from leaking, has protected cook's safety.

Description

Energy-saving environment-friendly double-hole cooking stove

Technical Field

The utility model relates to a gas-cooker technical field, concretely relates to energy-concerving and environment-protective binocular fried dish kitchen's structure.

Background

As a heating device for cooking, a gas range has been used by people around the world, a commercial gas cooking range is often used in restaurants, hotels, enterprises and public institutions, and school canteens, and the following problems are generally encountered when the existing cooking range is used:

(1) a large amount of waste gas and heat can be generated in the use process of the cooking stove and generally discharged into the air, so that the environment is damaged, the environment temperature of the kitchen is increased, the discharged waste gas has great harm to human body, and the resource utilization rate is low;

(2) the traditional cooking stove has the disadvantages of large noise, large air consumption, easy deformation and cracking of the hearth and the burner after long-term use, short service life (some refractory brick type cooking stoves are heavy and inconvenient to carry, the hearth is more easy to crack compared with a connected hearth, refractory bricks need to be repaired or replaced, and the cooking stove cannot be used before the refractory clay is not completely hardened), uneven firepower, no fierceness and low flame temperature; the combustion is insufficient, the discharge amount of carbon monoxide exceeds the standard, and the influence on the health of kitchen workers is great; the ignition needle and the induction needle are exposed outside, so that the ignition needle and the induction needle are easy to damage after being quenched when meeting water at high temperature, and a furnace core is easy to accumulate water and block, so that the normal use is influenced;

(3) the cooking stove without the flameout protection device has poor safety, and the accidental flameout is easy to cause gas leakage accidents; when any electronic component such as an ignition needle, an induction needle, an electromagnetic valve or a control box of the cooking stove provided with the flameout protection device is damaged, the whole stove system is paralyzed and cannot be used.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: in order to overcome prior art not enough, the utility model provides an energy-concerving and environment-protective binocular cooking stove has solved the unexpected safety problem that leads to of putting out, the emergent use problem that electronic components damaged and lead to, and the gas combustion is insufficient, and resource utilization is low, the life-span problem of parts such as furnace, combustor.

The technical scheme is as follows: the utility model relates to an energy-saving and environment-friendly double-hole cooking stove which comprises a stove body, a vertical rear baffle fixed on the rear side of the stove surface of the stove body, a water tank arranged in the stove body below the rear baffle, two hearths arranged on the stove surface of the stove body, a burner arranged at the bottom end of the hearths, two sets of emergency ignition systems arranged on the rear side of the front panel of the stove body and a main gas pipeline crossing the two sides of the stove body and used for transmitting gas; the emergency ignition system comprises an electromagnetic valve, an emergency change-over valve and an air-burning prevention magnetic control valve, fuel gas enters a main gas pipeline through an air inlet at one end of the main gas pipeline and sequentially enters a combustor through the electromagnetic valve and the air-burning prevention magnetic control valve to form a main gas path, and the emergency change-over valve is connected with the electromagnetic valve in parallel to form a standby gas path; when the electromagnetic valve stops working, gas passes through the emergency change-over valve and the idle combustion preventing electromagnetic valve in sequence to realize gas circuit switching, and the water tank internally comprises a gas pipe communicated with the hearth.

Preferably, the hearth comprises a hearth inner container and a hearth outer ring, the hearth inner container is arranged inside the hearth outer ring to form a sealed space, the hearth inner container is annular, the hearth inner container is of a double-layer structure with an inner wall and an outer wall, and the inner wall and the outer wall of the hearth inner container are radially contracted to form a conical ring surface; according to the radial contraction, a furnace ring, a liner cavity and a liner bottom for placing a combustor are sequentially formed from top to bottom, an opening space formed between the furnace ring and the liner bottom is the liner cavity, and the inner wall of the liner cavity is of a honeycomb structure.

Preferably, the bottom surface of the outer ring of the hearth is provided with a smoke outlet for discharging waste gas, and the smoke outlet is communicated with the air pipe.

Preferably, the water tank also includes baffle and ball-cock assembly, the baffle will the water tank separates, a plurality of through-holes are seted up to the baffle bottom, the ball-cock assembly includes the tip, with end connection's pole, the floater of connection on the pole, the rubber stopper is fixed to the tip, the lower extreme of tip has the water inlet, from the water tank outside intaking.

Preferably, the burner comprises an induction needle, an ignition needle, a seedling fire rod, a firing ring, a igniter, a fluid director and a premixing chamber, wherein the firing ring, the igniter, the fluid director and the premixing chamber are sequentially arranged from top to bottom; the bottom of the inner side surface of the ignition ring is provided with a shielding space for hiding the ignition needle head, the induction needle head and the end part of the seedling fire rod.

Preferably, the burner further comprises an overflow pipe for draining water, the overflow pipe penetrates through the igniter, the deflector and the premixing chamber, and the lower end of the overflow pipe is fixed to and penetrates through the bottom of the premixing chamber.

Preferably, a plurality of air inlets are formed in the bottom of an enclosed space formed in the inner cavity of the premixing cavity along the circumference, and the openings of the air inlets are in a slope shape, so that the gas and the air rotate when entering the premixing cavity, and the premixing is more sufficient.

Preferably, emergency ignition system one side sets up flame-out protection controller, be equipped with the singlechip in the flame-out protection controller, flame-out protection controller with solenoid valve, induction needle and ignition needle electric connection, when the combustor burning, the induction needle is burnt red, and the transmission signal gives flame-out protection controller, flame-out protection controller drive solenoid valve is opened, and the gas enters into the combustor, otherwise, the combustor is flamed out, and induction needle no signal transmission gives flame-out protection controller, the solenoid valve is closed, and the gas can't enter into.

Preferably, both sides of the front panel of the stove body are respectively provided with a main air valve for controlling the air inlet and outlet of the main air pipeline, the air inlet end of the air-burn-proof magnetic control valve is communicated with the electromagnetic valve, and the air outlet end of the air-burn-proof magnetic control valve is connected with the main air valve.

Has the advantages that: compared with the prior art, the utility model, it is showing the advantage and is: 1. the utility model discloses a cooking stove has emergent ignition system and flame-out protection device, when electronic component appears and damages, cuts off the fire that the power supply or other circumstances lead to, emergent ignition system accessible reserve gas circuit realizes emergent ignition, reduces the maintenance latency, and flame temperature is not sensed in the response needle of flame-out protection system, and the solenoid valve is in the closed condition, prevents the emergence of gas leakage accident, thereby has protected the safety of cook's person and kitchen property; 2. the utility model discloses a water tank make full use of kitchen tripe space can effectively reduce the flue gas temperature, utilizes the free a large amount of hot water and steam of producing of waste heat of flue gas simultaneously. The energy utilization rate is greatly improved, and the emission of waste heat to the environment is also reduced. (ii) a 3. The combustor structure makes gas and air get into main intake pipe, carries out first premixing, and the rethread is a plurality of slope form inlet ports and carries out the second premixing, and gas is anticlockwise rotation in the cavity, makes to premix more fully. After the mixed gas passes through the gap between the lower end of the igniter and the bell mouth at the upper end of the fluid director, the noise of the burner during combustion is lower, the combustion is more sufficient, and the energy is saved; the seedling fire rod hidden by the burner is not easy to extinguish, and the ignition needle and the induction needle are not accidentally splashed by water at high temperature to cause quenching damage.

Drawings

Fig. 1 is a schematic view of an overall structure of a dual-hole cooking stove according to an embodiment of the present invention;

fig. 2 is a schematic view of an internal structure of a range body according to an embodiment of the present invention 1;

FIG. 3 is a partially enlarged schematic view of region B in FIG. 2;

fig. 4 is a schematic view of an internal structure of a range body according to an embodiment of the present invention 2;

fig. 5 is a schematic structural diagram of an emergency ignition system according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a water tank according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a burner according to an embodiment of the present invention;

fig. 8 is an exploded view of a burner according to an embodiment of the present invention;

fig. 9 is a top view of a burner according to an embodiment of the present invention;

FIG. 10 is a cross-sectional view of the R-R axis of FIG. 7;

FIG. 11 is a schematic structural view of an igniter according to an embodiment of the present invention;

fig. 12 is a schematic structural diagram of an ignition device according to an embodiment of the present invention;

fig. 13 is a schematic structural view of an overflow cover according to an embodiment of the present invention;

fig. 14 is a schematic structural view of a premixing chamber according to an embodiment of the present invention;

FIG. 15 is a schematic view of a sequence of gas and air entering the burner according to one embodiment of the present invention;

fig. 16 is an exploded view of the structure of the present invention;

FIG. 17 is a front view of the hearth liner of the present invention;

FIG. 18 is a top view of the hearth liner of the present invention;

fig. 19 is a side view of the inner container of the furnace according to an embodiment of the present invention;

FIG. 20 is a side view of a furnace liner according to another embodiment of the present invention;

FIG. 21 is a front view of the outer ring of the hearth according to the present invention;

fig. 22 is a top view of the outer ring of the hearth according to the present invention.

The figure includes: the stove body 1, the hearth 11, the hearth liner 110, the ring 111, the inner chamber 112, the inner bottom 113, the outer ring 114, the smoke outlet 115, the through hole 116, the fire outlet 117, the first exhaust hole 118, the second exhaust hole 119, the burner 12, the fire ring 121, the shielded space 1211, the igniter 122, the outer ring 1221 of the igniter, the fixing plate 12211, the inner ring 1222 of the igniter, the overflow hole 1223, the deflector 123, the upper end 1231 of the bell mouth, the cylindrical tail end 1232, the bezel 1233, the premixing chamber 124, the air inlet 1241, the induction needle 125, the ignition needle 126, the flame rod 127, the overflow pipe 128, the main air inlet pipe 129, the exhaust hole 1291, the overflow cover 1210, the gap 1230, the water tank 13, the partition 131, the float ball valve 132, the end 1321, the rod 1322, the 1323, the air pipe 133, the emergency ignition system 14, the electromagnetic valve 141, the float ball valve 142, the main air pipe 143, the leakage protector 15, the flame-out protector 16, the blower 17, the device comprises a rear baffle 3, a smoke cap 4, a cooling water valve 51, a first connecting pipeline 52, an idle burning prevention magnetic control valve 6, a main air valve 7, an air-air synchronous valve 71, a one-key ignition switch 8, a hot water valve 9, a swing faucet 10 and a soup pot 1101.

Detailed Description

As shown in fig. 1-6, cooking stove include the kitchen body 1, the shell of the kitchen body 1 is stainless steel, the kitchen body supports through four stainless steel kitchen feet, fixed vertical backplate 3 of rear side on the kitchen face 2 of the kitchen body 1, backplate 3 upper end sets up the cigarette cap 4 that is used for going out the cigarette, still sets up two hot water pots 1101 on the kitchen face, can be used to place liquid such as water, hot water, be equipped with cooling water valve 51 on the front panel of the kitchen body 1 in proper order, prevent empty magnetic control valve 6 that burns, main air valve 7 and key formula ignition switch 8, hot water valve 9, set up water tank 13 in the kitchen body of backplate below.

Two hearths 11 are arranged on the stove surface of the stove body, a burner 12 is arranged at the bottom end of each hearth 11, two sets of emergency ignition systems 14 and a main gas pipeline 143 for transmitting gas are arranged on the rear side of the front panel of the stove body 1, the gas enters the main gas pipeline through an air inlet A at one end of the main gas pipeline 143 and enters the burner 12 through an electromagnetic valve 141 and an idle combustion preventing magnetic control valve 6 in sequence to form a main gas path, and the emergency change-over valve 142 is connected with the electromagnetic valve 141 in parallel to form a standby gas path; when the electromagnetic valve 141 stops working, gas passes through the emergency changeover valve 142 and the idle combustion preventing electromagnetic valve 6 in sequence to realize gas path switching.

The water tank 13 comprises an air pipe 133 communicated with the hearth 11, the water tank 13 further comprises a partition plate 131 and a ball float valve 132, the partition plate 131 partitions the water tank 13, and the bottom end of the partition plate 131 is provided with a plurality of through holes 1311, so that in the using process. The new incoming cold water enters the water tank 13 from the bottom, and the influence on the use of the hot water on the upper layer is avoided as much as possible. The floating ball valve 132 comprises an end part 1321, a rod 1322 connected with the end part 1321 and a floating ball 1323 connected with the rod 1322, the end part 1321 is fixed with a rubber plug, the lower end of the end part 1321 is provided with a water inlet, water enters from the outer side of the water tank, the floating ball 1323 of the floating ball valve 132 before water enters is in a hanging state, when the water amount is increased, the water inlet is blocked by the rubber plug at the end part after the floating ball and the rod float to reach the horizontal height with the end part, and the water enters.

Still include in the water tank 13 with two trachea 133 of the outlet flue 115 of two furnace intercommunication respectively, the exhaust flue gas is discharged from the outlet flue through these two trachea, trachea 133 passes through a pipeline and the cap 4 intercommunication in the backplate, carry the in-process realization of waste gas to the heating of water, hot water can supply the daily use in kitchen, the utilization ratio of the energy is improved and the flue gas of scalding passes through trachea 133, the heat has been absorbed, the flue gas that the cap 4 came out is just not hot, environmental protection more, one side of water tank 13 is through hot water valve 9 of tube coupling, the valve is opened, hot water flows out from the water tank.

The electromagnetic valve 141 is installed behind the front panel of the cooker body 1, when the electromagnetic valve 141 is in a closed state when the cooker is not used, when the cooker is in a normal use, the controller gives a signal to the electromagnetic valve 141, the electromagnetic valve 141 is opened, gas enters into the cooker, the cooker is normally used, but the electromagnetic valve 141 is an electronic element after all, the cooker can be damaged when working in a high-temperature environment, if the emergency ignition system 14 is not provided, the cooker cannot be used, manual ignition can be realized through the emergency changeover valve 142, and therefore the maintenance waiting time of a cook is shortened.

The emergency ignition system comprises an electromagnetic valve 141, an emergency change-over valve 142 and an idle-burning prevention magnetic control valve 143, and the idle-burning prevention magnetic control valve can realize that when a pot leaves a hearth and is placed on the magnetic control valve, strong magnetism in the pot is adsorbed at the bottom of the pot, a gas pipeline is cut off, and fire extinguishes; when the pot leaves the magnetic control valve and is put back on the hearth, the strong magnetism in the pot naturally falls down, the gas pipeline is opened, the fire continues to burn, the 'waste fire' is avoided, the energy is saved, and the heat efficiency is improved; the gas enters the main gas pipeline 143 through the gas inlet of the main gas pipeline 143, a left or right gas inlet is selected according to the reserved gas interface position on site, the other end is sealed, the gas enters the input end of the idle-burning prevention magnetic control valve through the gas inlet end of the electromagnetic valve 141 through a pipeline, the gas passes through the main gas valve after passing through the output end of the idle-burning prevention magnetic control valve, and finally the output end C enters the combustor to form a main gas path; as shown in fig. 5, the emergency changeover valve 142 is connected in parallel with the electromagnetic valve 141, the gas enters the main gas pipeline 143 through the gas inlet of the main gas pipeline 143, and then enters the input end of the idle burning prevention magnetic control valve through the gas inlet end of the emergency changeover valve 142 to form a standby gas path, the main gas valve 7 can control the gas inflow of the main gas by opening and closing, so that the firepower is adjusted, the main gas valve 7 and the air synchronization valve 71 are connected through a transmission device, so that the air and the air are linked to achieve the optimal proportion, the gas and the air are accurately proportioned, and the gas and.

During normal work, emergent change-over valve 142 is normally closed, and solenoid valve 141 normally opens, through solenoid valve 141 transmission air supply, works as solenoid valve 141 damages, and solenoid valve 141 automatic suction is closed, and emergent change-over valve 142 is manual to be opened, and the air supply passes through emergent change-over valve 142 transmission, but the cook manual work ignitions.

Still include flame-out protection device in the kitchen body 1, if the combustor meets unexpected flame-out, the valve is the open mode again this moment, will cause the gas leakage accident, flame-out protection device 16 is including the flame-out protection controller 16 who is equipped with the singlechip, flame-out protection controller 16 respectively with solenoid valve 141, ignition needle 126 of combustor 12 and the induction needle 125 electric connection of combustor, induction needle 125 is used for giving solenoid valve 141 transmission signal, be burnt red in the naked light when induction needle 125, transmission signal gives flame-out protection controller 16, flame-out protection controller 16 orders about solenoid valve 141 to open, the gas gets into main gas pipeline 143 smoothly, otherwise the combustor unexpected flame-out, induction needle 125 can not the induction flame temperature, solenoid valve 141 will close then, just can not have the gas to run out, thereby cook's safety has been protected.

And a leakage protector 15 is also arranged in the stove body 1 on one side of the flameout protection controller 16 and is electrically connected with the flameout protection controller 16. In one embodiment, the two-hole cooking stove can use one earth leakage protector 15, and is respectively connected to two flameout protection controllers 16 through two lines, wherein the low-noise fan 17 is further arranged on one side of the burner 12 of the cooking stove and is connected to the burner 12 through an air pipe.

The cooling water valve 51 is arranged on the front panel in the stove body 1, the swinging type water tap 10 for automatically discharging water is arranged on the rear baffle plate 3 of the stove body 1, and the cooling water valve 51 is connected with the water tap 10 through a first connecting pipeline 52 and is externally connected with a water source through a pipeline.

The utility model discloses a combustor 12 installed on furnace, as shown in fig. 7-15, include by the ignition circle 121, the igniter 122, the divertor 123 and mix the cavity 124 in advance that set up from top to bottom in order, four parts pass through the fix with screw together, the closure is good, the firepower is violent, the burning flame is blue cyan, the outer flame temperature can reach 1200 ℃; the ignition ring 121 and the igniter 122 are made of ductile iron alloy, the fluid director 123 and the premixing cavity 124 are made of gray iron, the fluid director 123 is not deformed, does not crack and is high-temperature resistant, the fluid director 123 is sleeved in the premixing cavity 124, the ignition device is fixed on the igniter outer ring 1221 and comprises an induction needle 125, an ignition needle 126 and a seedling fire rod 127, three through holes are correspondingly formed in the premixing cavity 424 and the igniter 122, the induction needle 125, the ignition needle 126 and the seedling fire rod 127 are respectively placed, and the fixing plate 12211 made of stainless steel is fixed on the igniter outer ring 1221.

The ignition ring 121 is of a solid circular structure, a shielding space 1211 for hiding an ignition head of the ignition needle, a needle head of the induction needle and a flame rod is arranged at a position corresponding to the bottom of the inner side surface of the inner circular ring, so that the hidden flame is not easy to extinguish, and the ignition needle 126 and the induction needle 125 cannot be accidentally splashed by cold water due to high temperature to cause 'quenching' damage. The top end of the ignition ring 121 corresponding to the sheltered space 1211 is thickened by 5-6mm, so that the whole body is more durable and is not easy to deform.

The igniter 122 is provided with three rows of ignition holes, the inner ring is phi 3.5mm multiplied by 20 holes and inclines outwards by 12 degrees; the middle ring has phi of 3.5mm multiplied by 30 holes and inclines outwards for 9 degrees; the outer ring is 4.0mm multiplied by 40 holes and is inclined inwards by 18 degrees.

The igniter 122 further comprises an igniter inner ring 1222 which is of a cylindrical structure, an overflow hole 1223 is formed in the center of the igniter inner ring 1222, an overflow cover is placed on the igniter inner ring 1222 and can be of a round table structure, the overflow cover can play a role in preventing sundries from blocking the overflow hole, and meanwhile flame distribution is more uniform.

The overflow pipe 128 is made of stainless steel, and has an upper end inserted into the overflow hole 1223 and a lower end through a drain hole 1291. Excess moisture may be removed through the overflow tube 128, protecting the fully premixed burner.

The bottom of the premixing cavity 124 is connected with a main air inlet pipe 129, the premixing cavity 124 and the main air inlet pipe 129 are preferably integrally formed, the main air inlet pipe 129 is in a circular arc bent cylindrical shape, and gas and air enter from the circular arc bent cylindrical shape and are premixed for the first time; the upper surface of the main air inlet pipe 129, that is, the bottom inner cavity of the premixing chamber 124, forms a surrounding space, and the bottom of the surrounding space is evenly distributed with a plurality of air inlet holes 1241, preferably three air inlet holes, the gas and the air pass through the surrounding space and are premixed for the second time, the top openings of the air inlet holes are in a slope shape, and two kinds of gas enter the premixing chamber 124 to rotate anticlockwise, so that the premixing is more sufficient.

The flow guider 123 comprises a bell mouth upper end 1231 and a cylindrical tail end 1232 which are sleeved with the igniter 122 in a matching manner, a plurality of penetrating inclined openings 1233 are uniformly formed in the circumferential direction of the cylindrical tail end 1232, the inclined angle of each inclined opening 1233 is consistent with the inclined angle of the three air inlets 1241 in the inner cavity of the premixing cavity, so that the mixed gas still keeps rotating in the premixing cavity 124 in the flow guider 123, the cylindrical tail end 1232 is sleeved in the premixing cavity 124, a 3mm gap 1230 is reserved between the lower end of the igniter 122 and the bell mouth 1231 at the upper end of the flow guider 123, arrows A and B in the figure 15 are sequences that air and fuel gas enter each part of the combustor sequentially through the three air inlets 1241, and the structure enables the combustor to be lower in noise during combustion, more sufficient premixing, more sufficient in combustion and more energy-saving. The gas and the air entering from the gas inlet pipe can be fully mixed in the premixing cavity 124 firstly, then the pressure is reduced through the gap of the fluid director 123, the mixed gas is fully mixed and then passes through the holes of the igniter 122, finally, the gas is uniformly and fully combusted, the emission of carbon monoxide and nitric oxide is greatly reduced, the national standard is met, the requirement of energy conservation and environmental protection is met, and secondly, the structure can control the gas inflow to further achieve the effect of energy conservation and environmental protection.

Furnace, including furnace inner bag 110 and furnace outer lane 114, furnace inner bag 110 arranges furnace outer lane 114's inside in, mutually supports, forms confined space, and confined space lets the air high temperature thermalization back, reaches abundant burning after the gas after mixing with atomizing completely in the combustion chamber, and the furnace material adopts nodular alloy, has indeformable non-cracking high temperature resistant speciality.

As shown in fig. 16-18, the hearth liner 110 is annular, and has a double-layer hollow structure with an inner wall and an outer wall, and the inner wall and the outer wall of the hearth liner are radially contracted to form a conical ring surface; according to the radial contraction degree, a furnace ring 111, a liner cavity 112 and a liner bottom 113 for placing a burner are sequentially formed from top to bottom, an opening space between the furnace ring 111 and the liner bottom 113 is the liner cavity, the thickness of the inner wall and the outer wall of the furnace ring 111 is thicker than that of other parts, a plurality of fire outlets are arranged on the furnace ring at intervals along the circumferential direction, the fire outlets can be respectively symmetrically arranged at two sides of the circumference, the width of the fire outlets is 50mm, six fire outlets are provided, each side is 3, the height of the fire outlets can be designed to be 3-8 mm, the height of 4mm is most beneficial to exhaust and fire outlet, waste gas which is not timely discharged from smoke outlet holes in a hearth can be discharged from the fire outlets, in addition, after the pan is placed, the columnar flame is pressed down due to the fact that the flame is removed when the pan is placed, the pressed flame can be discharged from the opening, the hearth is further protected, the service life of the hearth is prolonged, and the phenomenon that the pan is called in a closed space is avoided. The inner wall of the inner container cavity 112 is of a honeycomb structure, and the honeycomb structure can achieve the effects of sound absorption and noise reduction.

The bottom of toper anchor ring surface is followed the radial shrink of furnace inner bag and is formed the combustor base of placing the combustor, inner bag bottom 113 promptly, is equipped with a plurality of first exhaust holes 118 that run through the outer wall along circumference on the inner wall of this inner bag bottom 113. The structure enables heat waste gas generated after combustion to enter the double-layer regenerator through the first exhaust holes 118, and stores heat, so that the heat can be recycled. Only a small amount of waste gas which can not be combusted is discharged, so that the utilization rate of heat is optimized.

As shown in FIG. 20, in one embodiment, the bottom structure of the furnace liner is cylindrical from the lower edge of the inner wall of the liner cavity 112, and the upper and lower surfaces are on the same horizontal plane.

As shown in fig. 19, in another embodiment, other structures are not changed, the upper surface and the lower surface of the bottom 113 of the inner container of the hearth, which are connected with the lower edge of the inner wall of the inner container cavity 112, are not on the same horizontal plane, and a certain inclination is formed when viewed from the placement position of the hearth 11, and the inclination is higher at the back and lower at the front, so that the structure is beneficial for a cook to turn over the pan.

Preferably, a plurality of second exhaust holes 119 penetrating through the outer wall are formed between the inner wall of the furnace ring and the inner wall of the inner container cavity at intervals along the circumferential direction, the functions of the rest first exhaust holes 118 are the same, burnt waste gas is removed, the heat utilization rate is improved, and the waste gas exhausted by the first exhaust holes and the waste gas exhausted by the second exhaust holes are uniformly diffused through the smoke outlet 115.

In order to have better effect, preferably, be equipped with a plurality of first exhaust holes 118 that run through the outer wall along circumference on the inner wall of inner bag bottom, be equipped with a plurality of second exhaust holes that run through the outer wall along circumference interval between the inner wall in stove circle inner wall and inner bag chamber simultaneously, through the experiment, this kind of structure combines the double-deck sky of furnace, make the heat of burning not run off or lose less and let heat reuse can be more energy-conserving than traditional cooking utensils, make the gas fully burn, burning flame is blue cyan, the outer flame temperature can reach 1200 degrees centigrade. And the combustion waste gas after passing through the exhaust holes is collected to the smoke outlet 115 for exhaust, in this embodiment, the smoke outlet 115 is connected with the air pipe 133, and the waste gas is conveyed to the smoke cap 4 through the air pipe 133 for exhaust.

As shown in fig. 21, 22, the utility model discloses regard traditional furnace, pot circle and wick as a whole, the pot circle of this structure is sealed basically, the frying pan is put on the pot circle, has stopped the phenomenon that old-fashioned traditional kitchen heat runs off in a large number basically, furnace outer lane adopt outer lane flange joint fixed, the outer lane bottom surface is equipped with the outlet flue, the waste gas that produces when getting rid of the burning, the hole of being connected with external tobacco pipe is offered to the outlet flue both sides, play the fixed action, the circular through-hole that matches with furnace inner bag is offered to the outer lane bottom surface, guarantee that inner bag bottom can put into wherein, set up the arc structure that has the certain slope from the epitaxy that circular through-hole periphery two points prolonged the furnace outer lane, this kind of structure lets waste gas go out the cigarette more even, smooth and easy, the right angle structure hits the wall easily, this kind of circular arc structure is not matable with external tobacco pipe butt joint more like.

Claims (9)

1. An energy-saving and environment-friendly double-hole cooking stove is characterized by comprising a stove body, wherein a vertical rear baffle is fixed on the rear side of the stove surface of the stove body, a water tank is arranged in the stove body below the rear baffle, two hearths are arranged on the stove surface of the stove body, a burner is arranged at the bottom end of each hearth, two sets of emergency ignition systems are arranged on the rear side of a front panel of the stove body, and a main gas pipeline which spans two sides of the stove body and is used for transmitting gas is arranged; the emergency ignition system comprises an electromagnetic valve, an emergency change-over valve and an air-burning prevention magnetic control valve, fuel gas enters a main gas pipeline through an air inlet at one end of the main gas pipeline and sequentially enters a combustor through the electromagnetic valve and the air-burning prevention magnetic control valve to form a main gas path, and the emergency change-over valve is connected with the electromagnetic valve in parallel to form a standby gas path; when the electromagnetic valve stops working, gas passes through the emergency change-over valve and the idle combustion preventing electromagnetic valve in sequence to realize gas circuit switching, and the water tank internally comprises a gas pipe communicated with the hearth.

2. The energy-saving and environment-friendly double-hole cooking stove as claimed in claim 1, wherein the hearth comprises a hearth inner container and a hearth outer ring, the hearth inner container is arranged inside the hearth outer ring to form a sealed space, the hearth inner container is annular, the hearth inner container is of a double-layer structure with an inner wall and an outer wall, and the inner wall and the outer wall of the hearth inner container are radially contracted to form a conical ring surface; according to the radial contraction, a furnace ring, a liner cavity and a liner bottom for placing a combustor are sequentially formed from top to bottom, an opening space formed between the furnace ring and the liner bottom is the liner cavity, and the inner wall of the liner cavity is of a honeycomb structure.

3. The energy-saving and environment-friendly double-hole cooking stove as claimed in claim 2, wherein a smoke outlet for discharging waste gas is formed in the bottom surface of the outer ring of the hearth, and the smoke outlet is communicated with the gas pipe.

4. The energy-saving and environment-friendly double-hole cooking stove as claimed in claim 1, wherein the water tank further comprises a partition plate and a ball float valve, the partition plate separates the water tank, a plurality of through holes are formed in the bottom end of the partition plate, the ball float valve comprises an end part, a rod connected with the end part, and a floating ball connected to the rod, a rubber plug is fixed on the end part, and a water inlet is formed in the lower end of the end part and is used for feeding water from the outer side of the water tank.

5. The energy-saving and environment-friendly double-hole cooking stove as claimed in claim 1, wherein the burner comprises an induction needle, an ignition needle, a seedling rod, and a firing ring, a fire maker, a fluid director and a premixing chamber which are sequentially arranged from top to bottom, the fluid director is sleeved in the premixing chamber, the fire maker comprises a fire maker outer ring, and the induction needle, the ignition needle and the seedling rod are all arranged on the fire maker outer ring and penetrate through the premixing chamber; the bottom of the inner side surface of the ignition ring is provided with a shielding space for hiding the ignition needle head, the induction needle head and the end part of the seedling fire rod.

6. The energy-saving and environment-friendly binocular cooking range as set forth in claim 5, wherein the burner further comprises an overflow pipe for draining water, the overflow pipe penetrates the igniter, the deflector and the premixing chamber, and a lower end of the overflow pipe is fixed to and penetrates a bottom of the premixing chamber.

7. The energy-saving and environment-friendly double-hole cooking stove as claimed in claim 6, wherein a plurality of air inlets are formed along the circumference at the bottom of the surrounding space formed by the inner cavity of the premixing chamber, and the openings of the air inlets are in a slope shape, so that gas and air rotate when entering the premixing chamber, and premixing is more sufficient.

8. The energy-saving and environment-friendly double-eye cooking stove as claimed in claim 5, wherein a flameout protection controller is arranged on one side of the emergency ignition system, a single chip microcomputer is arranged in the flameout protection controller, the flameout protection controller is electrically connected with the electromagnetic valve, the induction needle and the ignition needle, when the burner burns, the induction needle is burned red, signals are transmitted to the flameout protection controller, the flameout protection controller drives the electromagnetic valve to be opened, gas enters the burner, otherwise, the burner is flamed out, no signals are transmitted to the flameout protection controller by the induction needle, the electromagnetic valve is closed, and the gas cannot enter the burner.

9. The energy-saving and environment-friendly double-hole cooking stove as claimed in claim 1, wherein main air valves for controlling air inlet and air outlet of a main air pipeline are respectively arranged on two sides of the front panel of the stove body, an air inlet end of the air-burning prevention magnetic control valve is communicated with the electromagnetic valve, and an air outlet end of the air-burning prevention magnetic control valve is connected with the main air valves.