Three high heat energy double-purpose energy-savings of return air of electric ignition coal furnace
Technical field
The utility model belongs to the coal furnace technical field, three high heat energy double-purpose energy-savings of return air of particularly a kind of electric ignition coal furnace.
Background technology
The return air coal furnace that tradition is used has and is used in burning lump coal/coal crust, have to be used in to burn honeycomb briquette, also has can be used in burning lump coal/coal crust, can be used in and burn honeycomb briquette again.Bavin or charcoal etc. are all adopted in their igniting, and the smog that this sparking mode produces brings certain pollution to surrounding environment, use inconvenient.The heat that the return air coal furnace of traditional structure produces is little, and body of heater the latter half do not have heat, and heating effect is poor, though body of heater the first half has heat, also most ofly takes away in smoke pipe, and not energy-conservation so the heat energy utilization rate is extremely low, the cost height burns.
Summary of the invention
The purpose of this utility model is the problem and the drawback that exist at above-mentioned return air coal furnace, a kind of mode that adopts electric ignition and three return air is provided, avoid and reduce environmental pollution, improve the heat energy utilization rate, cost is low, not only energy-conservation but also can warm oneself, cook etc., can be used in burning lump coal/coal crust, can be used in three high heat energy double-purpose energy-savings of return air of the electric ignition coal furnace that burns honeycomb briquette again.
Three high heat energy double-purpose energy-savings of return air of electric ignition of the present utility model coal furnace partly is made of stone or metal plate for standing a stove on as a precaution against fire, body of heater, stove seat, grate, electric igniter.It can make coal-fired repeatedly upper and lower circulation in stove of heat energy that produces in stove, and keeps discharging in smoke pipe after the long period again, so heat height, caloric value are strong, energy-conservation, thereby reach the utility model efficiently, purpose of energy saving.The heat energy that has produced when thoroughly having solved the fired coal combustion in traditional return air coal furnace is directly discharged and the athermic difficult problem of body of heater the latter half through smoke pipe in large quantities.
Flue shell one end of coal furnace of the present utility model is connected with the tobacco bale shell, the other end and stone or metal plate for standing a stove on as a precaution against fire kiss connects, and stone or metal plate for standing a stove on as a precaution against fire is provided with bell, and the Air return ring in the bell is kissed with combustion chamber shell upper end and connect, and is provided with slag in the stove case and takes out.Be provided with hot-fluid expander shell between the stone or metal plate for standing a stove on as a precaution against fire of coal furnace of the present utility model and the tobacco bale shell, its spatial content is big, can strengthen the body of heater caloric value.Be provided with combustion chamber, following combustion chamber in the combustion chamber shell.Be provided with smoke channel box between stove case and the tobacco bale shell, the smoke channel box bottom is provided with fixed flame bridge, use the movable flame bridge that burns honeycomb briquette to place on the fixed flame bridge, use the movable flame bridge that burns lump coal/coal crust to place on the aforesaid movable flame bridge, handle flexibly connects with the movable flame bridge of above-mentioned two kinds of different purposes respectively, forms the movable grate of two kinds of different purposes.The both sides, circular hole place that the stove box top is provided with are provided with symmetrical rail groove, and electric igniter places on the rail groove.Coal furnace of the present utility model has high heat energy effect, not only body of heater the first half energy evolution of heat, and the latter half also can the evolution of heat.Its heat energy utilization rate height can be warmed oneself, cook etc., and the burning cost is low, not only is applicable to the burning honeycomb briquette but also be applicable to burning lump coal/coal crust, good energy-conserving effect.
Description of drawings
Fig. 1 is the facade overall pattern of the utility model coal furnace;
Fig. 2 is the elevational view after the utility model coal furnace sheds stone or metal plate for standing a stove on as a precaution against fire;
Fig. 3 is the smoke channel box elevational view after the utility model coal furnace sheds the smoke channel box cover plate;
Fig. 4 is the stove case elevational view that the utility model coal furnace sheds plate with cover behind the smoke channel box;
Fig. 5 is the operation principle flow process cutaway view of the utility model coal furnace;
Fig. 6 is the combustion chamber shell elevational view of the utility model coal furnace;
Fig. 7 is that the last combustion chamber plane of the utility model coal furnace is overlooked, upward view;
Fig. 8 is that the following combustion chamber plane of the utility model coal furnace is overlooked, upward view;
Fig. 9 is the grate assembly elevational view of the utility model coal furnace;
Figure 10 is the grate assembly top plan view of the utility model coal furnace;
Figure 11 is the utility model coal furnace use lump coal/movable flame bridge top plan view when coal clings to;
Figure 12 is that the utility model coal furnace uses movable flame bridge top plan view when burning honeycomb briquette;
Figure 13 is the fixed flame bridge elevational view of the utility model coal furnace;
Figure 14 is the electric furnace disk cover top plan view of the utility model coal furnace;
Figure 15 is the electric furnace pan bottom plan view of the utility model coal furnace;
Figure 16 is electric furnace pan plane master's cutaway view of the utility model coal furnace;
Figure 17 is electric furnace heating wire (concave-convex) plane master's cutaway view of the utility model coal furnace.
The specific embodiment
Be described in further detail below in conjunction with the specific embodiment of above-mentioned accompanying drawing example coal furnace of the present utility model.The example of coal furnace of the present utility model comprises stone or metal plate for standing a stove on as a precaution against fire, body of heater, stove seat, grate, electric igniter part.The stone or metal plate for standing a stove on as a precaution against fire part is made of stone or metal plate for standing a stove on as a precaution against fire 1, bell 27, hot-fluid expander shell 3.Oven body part is made of flue shell 2, tobacco bale shell 10, Air return ring 15, combustion chamber shell 17, last combustion chamber 16, following combustion chamber 24 etc.Stove seat part is taken out 8 by smoke channel box 5, stove case 7, rail groove 6, slag and is constituted.The grate part is made of fixed flame bridge 18, movable flame bridge 19, movable flame bridge 20, handle 9.The electric igniter part is made of housing, electric furnace pan 25, electric furnace heating wire 26, electric furnace disk cover 11, indicator lamp 13, the power line 14 of electric igniter 12.
Flue shell 2 one ends of coal furnace of the present utility model are connected with tobacco bale shell 10, the other end and stone or metal plate for standing a stove on as a precaution against fire 1 kiss connects, and stone or metal plate for standing a stove on as a precaution against fire 1 is provided with bell 27, and the Air return rings 15 in the bell 27 connect with the upper end kiss of combustion chamber shell 17, establish slag in the stove case 7 and take out 8.Be provided with hot-fluid expander shell 3 between the stone or metal plate for standing a stove on as a precaution against fire 1 of the utility model coal furnace and the tobacco bale shell 10, be provided with combustion chamber 16, following combustion chamber 24 in the combustion chamber shell 17.The circumference of last combustion chamber 16 is provided with through hole 21, is provided with annular channel between last combustion chamber 16 and the following combustion chamber 24.Last combustion chamber 16 is respectively equipped with teeth groove 23, teeth groove 22 on the inwall circumference of following combustion chamber 24.Be provided with smoke channel box 5 between stove case 7 and the tobacco bale shell 10, a side of smoke channel box 5 is provided with slag-drip opening 4.The bottom of smoke channel box 5 is provided with fixed flame bridge 18, and movable flame bridge 20 places on the fixed flame bridge 18, and movable flame bridge 19 places on the movable flame bridge 20, and handle 9 flexibly connects with movable flame bridge 19, movable flame bridge 20 respectively, forms the movable grate of two kinds of different purposes.The both sides, circular hole place that stove case 7 tops are provided with are provided with symmetrical rail groove 6, and electric igniter 12 places on the rail groove 6.Indicator lamp 11, electric furnace pan 25 is located at respectively in the housing of electric igniter 12, the circumference of electric furnace pan 25 bottom deep trouths is provided with air vent, vertically be arranged with cancavo-convex electric furnace heating wire 26 in the deep trouth of electric furnace pan 25, power line 14 is connected with indicator lamp 13, electric furnace heating wire 26 respectively, and the electric furnace disk cover 11 that is provided with the hole in the circumference places on the electric furnace pan 25.
Return air is generally for heating usefulness for the first time for coal furnace of the present utility model, and mainly teeth groove 23 and the through hole 21 by last combustion chamber 16 goes to realize.Bell 27 on top cover 28 that covers combustion chamber 16 and stone or metal plate for standing a stove on as a precaution against fire 1, the teeth groove 23 of flare in last combustion chamber 16 that this moment, the coal furnace internal combustion went out led the annular channel place that is back between combustion chamber 16 and the following combustion chamber 24, and via through holes 21 upwards flows flare again.Return air can reduce the burning velocity of ature of coal for the first time, reaches energy-conservation purpose.Return air is to enter the two ends of above combustion chamber 16 for the hot-fluid expander shell 3 at center through the exit of Air return ring 15 by the flare that blazes up for the second time, and flows to the end in the tobacco bale shell 10 respectively, causes hot-fluid to flow in the smoke channel box 5, thereby finishes return air for the second time.Return air is to flow to the hot-fluid of an end in the tobacco bale shell 10 when smoke channel box 5 flows for the third time, following combustion chamber 24 flows to an end of tobacco bale shell 10 respectively for the hot-fluid at center, and continue to flow to the other end in the tobacco bale shell 10 through the passage of an end of tobacco bale shell 10, discharge out of the furnace through flue shell 2 to smoke pipe place again.
When the utility model coal furnace uses, with taking out behind 12 fire coals of electric igniter.Burn honeycomb briquette if use, change honeycomb coal stove core made, when dropping under the honeycomb briquette on the fixed flame bridge 18,9 pulling movable flame bridges 20 can be arranged honeycomb briquette down by shaking hands.If when burning lump coal/coal crust, take out honeycomb coal stove core made, change lump coal/coal crust combustion chamber simultaneously, untie the handle 9 of movable flame bridge 20, advance movable flame bridge 19, and locking handle 9, push away, spur grate 19 and can use burning lump coal/coal crust easily.