CN209180997U - Second-time burning high efficient heating furnace - Google Patents

Abstract

The utility model discloses a kind of second-time burning high efficient heating furnaces, including furnace body, burner hearth, fire door, fire grate, ash storing chamber, the smoke discharging pipe being connected to burner hearth, crater is provided at the top of burner hearth, second-time burning air feed system is provided at crater, flue gas guidance fire distribution unit is installed, flue gas guides fire distribution unit to be arranged above second-time burning air feed system on fire door；The front of furnace body is provided with coal filling hole, corresponds to outside coal filling hole and is hingedly equipped with coal smoke-backflow-proof sealing device；The heat exchanging water-jacket being connected to is provided on burner hearth and smoke discharging pipe, the efficient heat-collecting system being connected to heat exchanging water-jacket is provided in smoke discharging pipe, flue deashing device corresponding with efficient heat-collecting system is provided on the outer wall of smoke discharging pipe, the lower rear of furnace body is provided with the explosion-proof valve being connected to heat exchanging water-jacket；Heat exchanging water-jacket connect with heating terminal；The utility model simple structure and reasonable design, the utilization rate for sufficiently improving heat, improve the thermal efficiency of heating stove.

Description

Second-time burning high efficient heating furnace

Technical field

The utility model relates to heating stove equipment technical field more particularly to a kind of second-time burning high efficient heating furnaces.

Background technique

Vast northern country family warming is most of all to use domestic water heating coal-burning stove for heating stove, can both be used to It cooks, and can be used for band heating and carry out heating, very convenient to use, popularity rate is very high.With the improvement of living standards, People are higher and higher to the performance requirement of hot-water heating coal-burning stove for heating stove, i.e., should seek a kind of safety economize on coal, be pollution-free, the thermal efficiency Stove high, family is easy to use, to meet the market demand of current domestic water heating coal-burning stove for heating stove.

After the coal in heating stove does not have full combustion in the prior art, it is harmful and inflammable easy that a large amount of CO, SO2 etc. can be generated Quick-fried flue gas, and these flue gases can directly flow away from flue, on the one hand after flue gas is directly disposed to outdoor, will cause environment dirt Dye；On the other hand when flue gas directly flows away from flue, the amount of heat in furnace can be taken away, causes heat loss more, makes The thermal efficiency for obtaining heating stove reduces.

Utility model content

The technical problem to be solved by the utility model is to provide a kind of reasonable in design, energy full combustions to improve thermal effect The second-time burning high efficient heating furnace of rate.

In order to solve the above technical problems, the technical solution of the utility model is: second-time burning high efficient heating furnace, including furnace Body is provided with taper burner hearth in the furnace body front, and the furnace body top is provided with the fire door above the burner hearth, described It is provided with fire grate below burner hearth, ash storing chamber is provided with below the fire grate, the rear upper of the furnace body is provided with and institute The smoke discharging pipe of burner hearth connection is stated, the end of the smoke discharging pipe is provided with smoke outlet, fire is provided with out at the top of the burner hearth Mouthful, it is provided with second-time burning air feed system at the crater, is provided between the crater and the fire door and the row The heat exchanging chamber of smoke pipeline connection is equipped with the flue gas guidance fire distribution unit in the heat exchanging chamber, the cigarette on the fire door Gas guides fire distribution unit to be arranged above the second-time burning air feed system；The front of the furnace body is provided with to be connected with the burner hearth Logical coal filling hole, the coal filling hole is corresponding outside to be hingedly equipped with coal smoke-backflow-proof sealing device；The burner hearth and the smoke exhaust pipe It is provided with the heat exchanging water-jacket of connection on road, the efficient heat-collecting system being connected to the heat exchanging water-jacket is provided in the smoke discharging pipe It unites, is provided with flue deashing device corresponding with the efficient heat-collecting system on the outer wall of the smoke discharging pipe, the furnace body Lower rear is provided with the explosion-proof valve being connected to the heat exchanging water-jacket；The heat exchanging water-jacket connect with heating terminal.As preferred Technical solution, flue gas guidance fire distribution unit include be mounted on above the burner hearth with fiery disk, the bottom with fiery disk Portion is provided with into burner, and the size into burner is greater than the size of the crater on the burner hearth, the top with fiery disk Portion edge is provided with the disk edge that card is placed on the fire door edge, described to extend with fiery disk from top-to-bottom inward slant, described It is circumferentially provided on side wall with fiery disk multiple for guiding the institute with burner, at the smoke discharging pipe of flue gas and heat The size with burner to be stated to be less than far from the size with burner at the smoke discharging pipe, the disk edge is above provided with location hole, The fire door edge is provided with the positioning column mating with the location hole.

As a preferred technical solution, the second-time burning air feed system include be arranged in the roof of the furnace it is secondary into Wind chamber, the secondary air chamber are circumferentially positioned at the top of the crater on the burner hearth, the inner wall of the secondary air chamber On be provided with multiple secondary air outlets, the secondary air outlet is around being arranged on the secondary air cavity wall；The furnace body The air inlet being connected to the secondary air chamber is provided on side wall, the ruler of the secondary air outlet far from the air inlet The very little size for being greater than the secondary air outlet close to the air inlet；The sidewall of the furnace body, which is located at outside the air inlet, to be installed There is air inlet box, fixed air inlet hole is provided on the outside of the air inlet box, the fixed air inlet hole is located at the downside of the air inlet.

The coal smoke-backflow-proof sealing device includes fire door shell as a preferred technical solution, the fire door shell packet The one end on the fire door edge for including stove door plant and being enclosed on the stove door plant, the fire door edge is hinged on the coal filling hole, described The other end on fire door edge is equipped with the seal pressing device for forcing the fire door shell to compress towards the coal filling hole；The fire door The side of plate towards the coal filling hole is equipped with fireproof heat insulating box, and the fireproof heat insulating box is welded on the stove door plant, described Fireproof heat insulating slurry is installed in fireproof heat insulating box, heat preservation slurry added holes, the fireproof heat insulating are provided on the fireproof heat insulating box Multiple heat preservation slurry outflow holes, the fireproof heat insulating box and the fire door fixed peace between are provided between box and the stove door plant Equipped with fire proof seal press strip.

The seal pressing device includes the clip-connecting rod being transversely mounted on the coal filling hole as a preferred technical solution, With the hinge column for being transversely mounted on the stove door plant end, pressure plate, one end of the pressure plate are hinged on the hinge column It is provided with the clamping groove with the clip-connecting rod compression fit, the other end of the pressure plate is connected with compression spanner, the clamping The card access surface for forcing the fire door shell to compress towards the coal filling hole is provided on slot.

The efficient heat-collecting system includes that more choked flows being connected to the heat exchanging water-jacket are changed as a preferred technical solution, Heat pipe, the choked flow heat exchanger tube are provided with three layers and are distributed in mountain shape, the longitudinally displaced row of choked flow heat exchanger tube of adjacent two layers It arranges, the gap between the choked flow heat exchanger tube of phase same layer is less than the outer diameter of the choked flow heat exchanger tube.

As a preferred technical solution, the flue deashing device include be arranged in it is clear on the outer wall of the smoke discharging pipe Grey mouth, the cleaning door pass through the heat exchanging water-jacket and are connected to the heat exchanging chamber, corresponding detachable installation on the cleaning door There is cover board, fixed device is provided between the cleaning door and the cover board；The cleaning door includes respectively corresponding to be arranged in institute State the side cleaning door of choked flow heat exchanger tube two sides and the ash port being correspondingly arranged at below the choked flow heat exchanger tube, the two side deashings Mouth is symmetricly set on the side wall of the heat exchanging water-jacket, and the ash port is arranged on the bottom wall of the heat exchanging water-jacket.

The fixed device includes the fixed transverse rod being fixed on the cleaning door as a preferred technical solution, described Fixed transverse rod passes through the center of the cleaning door, and the both ends of the fixed transverse rod are respectively welded on the inner wall of the cleaning door, The center of the cleaning door is fixedly installed with threaded post outward, and the cover board is sleeved in the threaded post, in the threaded post Outside screw positioned at the cover board is connected with fastening bolt.

It is provided on the heat exchanging water-jacket outside the smoke discharging pipe and the heating terminal as a preferred technical solution, The water inlet of connection, the lower rear of the furnace body are provided with the water return outlet being connected to the heat exchanging water-jacket, the water return outlet with The heating terminal connection.

By adopting the above-described technical solution, second-time burning high efficient heating furnace, including furnace body, it is arranged in the furnace body front There is taper burner hearth, the furnace body top is provided with the fire door above the burner hearth, is provided with fire grate below the burner hearth, Ash storing chamber is provided with below the fire grate, the rear upper of the furnace body is provided with the smoke discharging pipe being connected to the burner hearth, The end of the smoke discharging pipe is provided with smoke outlet, and crater is provided at the top of the burner hearth, is provided at the crater Second-time burning air feed system is provided with the heat exchanging chamber being connected to the smoke discharging pipe, institute between the crater and the fire door The flue gas guidance fire distribution unit being equipped in the heat exchanging chamber on fire door is stated, the flue gas guidance fire distribution unit is arranged in institute It states above second-time burning air feed system；The front of the furnace body is provided with the coal filling hole being connected to the burner hearth, the coal filling hole Outer correspondence is hingedly equipped with coal smoke-backflow-proof sealing device；The heat-exchanging water being connected to is provided on the burner hearth and the smoke discharging pipe Set, is provided with the efficient heat-collecting system being connected to the heat exchanging water-jacket in the smoke discharging pipe, on the outer wall of the smoke discharging pipe It is provided with flue deashing device corresponding with the efficient heat-collecting system, the lower rear of the furnace body is provided with and the heat exchange The explosion-proof valve of water jacket connection；The heat exchanging water-jacket connect with heating terminal；The beneficial effects of the utility model are: the secondary combustion It burns air feed system and flue gas guidance fire distribution unit improves coal burning adequacy, not only reduce pollution, but also improve and adopt The thermal efficiency of radiator；The coal smoke-backflow-proof sealing device has good sealing effect, prevents harmful smoke from entering to interior Generate security risk；Efficient heat-collecting system, which is substantially reduced, to be discharged into outdoor heat, and the utilization rate of heat is improved；This is practical new Type simple structure and reasonable design can be realized second of full combustion, not only reduce environmental pollution, but also sufficiently improve heat Utilization rate, improve the thermal efficiency of heating stove.

Detailed description of the invention

Following drawings are only intended to schematically illustrate and explain the present invention, does not limit the model of the utility model It encloses.Wherein:

Fig. 1 is the structural schematic diagram of the utility model embodiment；

Fig. 2 is the structure principle chart of the utility model embodiment；

Fig. 3 is the structural schematic diagram of the utility model embodiment flue gas guidance fire distribution unit；

Fig. 4 is the structure principle chart of the utility model embodiment second-time burning air feed system；

Fig. 5 is the structure principle chart of the utility model embodiment coal smoke-backflow-proof sealing device；

Fig. 6 is the structural principle that coal smoke-backflow-proof sealing device omits after fireproof heat insulating slurry, fire proof seal press strip in Fig. 5 Figure；

Fig. 7 is the working principle diagram of seal pressing device in coal smoke-backflow-proof sealing device in Fig. 5；

Fig. 8 is the structure principle chart of the utility model embodiment efficient heat-collecting system；

Fig. 9 is the enlarged diagram in Fig. 1 at A；

Figure 10 is the schematic diagram after Fig. 9 removes cover board；

In figure: 1- furnace body；2- burner hearth；3- fire door；4- smoke discharging pipe；5- smoke outlet；6- crater；7- heat exchanging chamber；8- adds Coal mouth；9- heat exchanging water-jacket；10- explosion-proof valve；11- water inlet；12- water return outlet；S1- second-time burning air feed system；S101- bis- times into Wind chamber；Bis- air outlets of S102-；S103- air inlet；S104- enters the wind box；S105- fixes air inlet hole；The guidance of S2- flue gas is with fire Device；S201- matches fiery disk；S202- is into burner；S203- disk edge；S204- matches burner；S205- location hole；S206- positioning column； S3- coal smoke-backflow-proof sealing device；S301- stove door plant；S302- fire door edge；S303- fireproof heat insulating box；S304- fireproof heat insulating Slurry；S305- heat preservation slurry added holes；S306- heat preservation slurry outflow hole；S307- fire proof seal press strip；S308- clip-connecting rod；S309- hinge Connect column；S310- pressure plate；S311- clamping groove；S312- compresses spanner；S313- card access surface；S4- efficient heat-collecting system；S401- Choked flow heat exchanger tube；S5- flue deashing device；S501- cover board；The side S502- cleaning door；S503- ash port；S504- fixed transverse rod； S505- threaded post；S506- fastening bolt.

Specific embodiment

With reference to the accompanying drawings and examples, the utility model is further described.In the following detailed description, only pass through Bright mode describes certain exemplary embodiments of the utility model.Undoubtedly, those skilled in the art can be with It recognizes, it, can be with a variety of different modes to described without departing from the spirit and scope of the utility model Embodiment is modified.Therefore, attached drawing and description are regarded as illustrative in nature, rather than the protection for limiting claim Range.

As depicted in figs. 1 and 2, second-time burning high efficient heating furnace, including furnace body 1 are provided with taper in 1 front of furnace body Burner hearth 2,1 top of furnace body are provided with the fire door 3 above the burner hearth 2, and the lower section of the burner hearth 2 is provided with fire grate, The fire grate is the prior art, is not shown, and is provided with ash storing chamber below the fire grate, on the rear portion of the furnace body 1 Side is provided with the smoke discharging pipe 4 being connected to the burner hearth 2, and the end of the smoke discharging pipe 4 is provided with smoke outlet 5, the burner hearth 2 Top be provided with crater 6, be provided with second-time burning air feed system S1 at the crater 6, the crater 6 and the furnace It is provided with the heat exchanging chamber 7 being connected to the smoke discharging pipe 4 between mouth 3, is equipped on the fire door 3 in the heat exchanging chamber 7 Flue gas guide fire distribution unit S2, flue gas guidance fire distribution unit S2 to be arranged above the second-time burning air feed system S1； The front of the furnace body 1 is provided with the coal filling hole 8 being connected to the burner hearth 2, corresponds to outside the coal filling hole 8 and is hingedly equipped with coal Smoke-backflow-proof sealing device S3；The heat exchanging water-jacket 9 being connected to, the smoke discharging pipe are provided on the burner hearth 2 and the smoke discharging pipe 4 It is provided with the efficient heat-collecting system S4 being connected to the heat exchanging water-jacket 9 in 4, is provided on the outer wall of the smoke discharging pipe 4 and institute The corresponding flue deashing device S5 of efficient heat-collecting system S4 is stated, the lower rear of the furnace body 1 is provided with and the heat exchanging water-jacket 9 The explosion-proof valve 10 of connection, the explosion-proof valve 10 have explosion-proof, and in emergency circumstances, the air pressure superelevation in heating stove can be washed open Explosion-proof valve 10, automatic to be vented, air pressure is automatically closed again after falling after rise, the operating pressure 0.15-0.2MPa of the explosion-proof valve 10, disengaging Mouth diameter is 25mm；The heat exchanging water-jacket 9 connect with heating terminal, and the heating terminal is radiator, outside the smoke discharging pipe 4 The heat exchanging water-jacket 9 on be provided with and be provided with the water inlet 11 that is connected to of heating terminal, the lower rear of the furnace body 1 The water return outlet 12 being connected to the heat exchanging water-jacket 9, the water return outlet 12 is connected to the heating terminal, for realizing in radiator Water circulation, provide heat for radiator；The second-time burning air feed system S1 and flue gas guidance fire distribution unit S2 are improved Coal burning adequacy not only reduces pollution, but also improves the thermal efficiency of heating stove；The coal smoke-backflow-proof sealing device S3 With good sealing effect, prevent harmful smoke from entering to indoor generation security risk；Efficient heat-collecting system S4 is substantially reduced It is discharged into outdoor heat, improves the utilization rate of heat；The utility model simple structure and reasonable design can be realized second Secondary full combustion, not only reduces environmental pollution, but also sufficiently improves the utilization rate of heat, improves the thermal efficiency of heating stove.

Referring to figs. 2 and 3, the flue gas guidance fire distribution unit S2 includes being mounted on above the burner hearth 2 to match fiery disk S201, the bottom with fiery disk S201 are provided with into burner S202, and the size into burner S202 is greater than on the burner hearth 2 The size of the crater 6, the top edge with fiery disk S201 are provided with the disk edge that card is placed on 3 edge of fire door S203, it is described to extend with fiery disk S201 from top-to-bottom inward slant, it is circumferentially provided on the side wall with fiery disk S201 It is multiple for guide flue gas and heat with burner S204；From the crater 6 of the burner hearth 2 come out flare, flue gas, Heat can be flowed out uniformly through described in described match on fiery disk S201 side wall with burner S204, towards described with fiery disk S201 surrounding Play enters in the heat exchanging chamber 7 of 2 top of burner hearth, will not directly all since flare, flue gas, heat are broken up It is flowed out from the smoke discharging pipe 4, flare, the heat on the one hand continuing play in the heat exchanging chamber 7 can be in the heat exchanging chambers 7 The water jacket of surrounding continues to heat, and guarantees the utilization rate of heat, improves the thermal efficiency of heating stove；On the other hand it is changed described Continue the flue gas of play in hot chamber 7 during play, can be mixed with the air in the heat exchanging chamber 7, to not combustion completely The flue gas of burning carries out second-time burning, increases the combustion utilization efficiency of flue gas, can further to the water jacket in the heat exchanging chamber 7 into Row heating, improves the thermal efficiency of heating stove, aphlogistic flue gas and a small amount of heat can be flowed out by smoke discharging pipe 4.

The disk is provided with location hole S205 along S203, and 3 edge of fire door is provided with and the location hole S205 When installation, the positioning column S206 is inserted into the location hole S205 by mating positioning column S206, then by institute It states disk and is placed on 3 edge of fire door along S203 card, for limiting the position for matching fiery disk S201, in the present invention, institute It states positioning column S206 and is centered around 3 edge of the fire door setting, and 4 farthest of smoke discharging pipe described in positional distance.

In order to further reduce heat loss, the size with burner S204 at the smoke discharging pipe 4 is small In far from the size with burner S204 at the smoke discharging pipe 4；In the present embodiment, maximum sized described with burner S204 is positioned close to the nearest position the location hole S205, so that after the present embodiment is installed on the fire door 3, size It is maximum described farthest with distance of the burner S204 apart from the smoke discharging pipe 4, it is smallest size of described with burner S204 distance The distance of the smoke discharging pipe 4 is nearest；The flare that comes out in this way with burner S204 described in from the smoke discharging pipe 4, Flue gas, heat are less than far from the flare come out with burner S204, the flue gas, heat at the smoke discharging pipe 4, described to match Flare that burner S204 comes out, flue gas, heat mainly all from far from being flowed out with burner S204 described in from the smoke discharging pipe 4, It increases the flare come out, flue gas, the heat with burner S204 to stop the more time in the heat exchanging chamber 7, Ke Yiyu More air contact full combustion, heat to the water jacket of surrounding.

Referring to fig. 4, the second-time burning air feed system S1 includes the secondary air chamber that 2 top of burner hearth is arranged in S101, the secondary air chamber S101 are circumferentially positioned at the top of the crater 6 on the burner hearth 2, the secondary air chamber Multiple secondary air outlet S102 are provided on the inner wall of S101, the secondary air outlet S102 surround and is arranged in the secondary air On chamber S101 inner wall；The air inlet S103 being connected to the secondary air chamber S101 is provided on 1 side wall of furnace body；The furnace 1 side wall of body be located at outside the air inlet S103 be equipped on the outside of air inlet box S104, the air inlet box S104 be provided with fixation into Air holes S105, the fixed air inlet hole S105 are located at the downside of the air inlet S103；Referring to fig. 4, wherein filled arrows represent Air direct, hollow arrow represents flue gas trend, and when work, air enters from the fixed air inlet hole S105, is then passed through institute Air inlet S103 is stated to flow into the secondary air chamber S101, then by the secondary air chamber S101 it is described it is secondary go out Air port S102 outflow can be with after not sufficiently combusted flue gas is flowed out from the crater 6 upwards for the first time in the burner hearth 2 The air contact flowed out from the secondary air outlet S102, further produces second of burning, so that in flue gas for the first time Not sufficiently combusted pernicious gas CO, SO2, coal tar etc. are fully burned, and are further that the water jacket in the furnace body 1 carries out Heating improves the thermal efficiency of heating stove, and pernicious gas is obviously less in the flue gas after the completion of second of burning, passes through institute State the less pollution that smoke discharging pipe 4 is expelled to outdoor flue gas.

Due at the air inlet S103 distance of the secondary air outlet S102 apart from the air inlet S103 compared with Closely, the air capacity of the secondary air outlet S102 therefore at the air inlet S103 is more；Close to the air inlet Air at S103 needs described in flowing could arrive at the separate air inlet S103 in the secondary air chamber S101 Secondary air outlet S102, therefore the air capacity far from the secondary air outlet S102 at the air inlet S103 is less, therefore Flue gas close to the place the air inlet S103 can be better than the combustion efficiency of the flue gas at the separate air inlet S103, and in order into One step improves the burning adequacy for the flue gas being located remotely from the air inlet S103, therefore, far from the air inlet S103 The size of the secondary air outlet S102 be greater than the size of the secondary air outlet S102 at the air inlet S103； In this way, can be more from the air capacity being discharged far from the secondary air outlet S102 from air inlet S103, it burns more abundant.

When room pressure is lower, it may appear that occurred from the air inlet S103 to the phenomenon that indoor smoke-returning, if by institute The setting of air inlet S103 described in fixed air inlet hole S105 face is stated, the flue gas flow backwards from the air inlet S103 can be directly from described Fixed air inlet hole S105 flow to interior, so that room air is dirty, and has security risk, and in the present embodiment, it will be described The downside of the air inlet S103 is arranged in fixed air inlet hole S105, the movement travel of cigarette is increased down, from the air inlet The flue gas needs that S103 is flow backwards, which move downward, to flow out from the fixed air inlet hole S105, therefore, by the fixed air inlet hole The downside of the air inlet S103 is arranged in S105, when can be effectively prevented at the air inlet S103 to indoor smoke-returning, keeps away Exempt from directly to flow out out of described fixed air inlet hole S105, plays the effect for hindering cigarette.

Referring to figs. 5 and 6, the coal smoke-backflow-proof sealing device S3 includes fire door shell, and the fire door shell includes furnace Along S302, the fire door is hinged on described add along one end of S302 for door-plate S301 and the fire door being enclosed on the stove door plant S301 On coal mouth 8, the fire door is equipped with the sealing for forcing the fire door shell to compress towards the coal filling hole 8 along the other end of S302 Pressing device；The side of the stove door plant S301 towards the coal filling hole 8 is equipped with fireproof heat insulating box S303, the fireproof heat insulating Box S303 is welded on the stove door plant S301, and fireproof heat insulating slurry S304 is equipped in the fireproof heat insulating box S303, described anti- It is provided with heat preservation slurry added holes S305 on fiery incubation chamber S303, is set between the fireproof heat insulating box S303 and the stove door plant S301 Multiple heat preservation slurry outflow hole S306 are equipped with, the fireproof heat insulating box S303 and the fire door are fixedly installed with fire prevention between S302 Seal trim strip S307.It include perlite, cement grout, fire resistant adhesive in the fireproof heat insulating slurry S304, so that described anti- Fire heat preservation slurry S304 has sticky effect, while having heat insulation effect after solidifying；The fire proof seal press strip S307 includes fire prevention Rock wool is sealed, one layer of fireproof heat insulating is wrapped up outside the fire proof seal rock wool and starches S304.

When production, the fireproof heat insulating box S303 is weldingly fixed on the stove door plant S301 first, then passes through institute It states heat preservation slurry added holes S305 and liquid fireproof heat insulating slurry S304 is added, since the fireproof heat insulating slurry S304 is at this time Liquid is flowable, therefore can starch outflow hole S306 by the heat preservation and flow into the fireproof heat insulating box S303 and the fire door Between S302, at this time by the fire proof seal rock wool tightly fill in the fireproof heat insulating box S303 and the fire door along S302 it Between, the fireproof heat insulating slurry S304 is constantly added until being filled in the fireproof heat insulating box S303；Be then allowed to stand so that Liquid fireproof heat insulating slurry S304 solidification starches S304, the fireproof heat insulating box S303 in the fireproof heat insulating of fixing shape The fireproof heat insulating slurry S304 of fixing shape is inside produced, can also paste and be enclosed with simultaneously outside the fire proof seal rock wool after solidification One layer of fireproof heat insulating starches S304, completes.Since liquid fireproof heat insulating slurry S304 is starched by the heat preservation Outflow hole S306 flows into the fireproof heat insulating box S303 and the fire door between S302, when fireproof heat insulating slurry S304 is solidifying Gu after, the fire proof seal rock wool is fixed on the fireproof heat insulating box S303 and the fire door between S302, described in closing When fire door shell, it can be tightly fitted in 8 edge of coal filling hole, play sealing effect.

The fireproof heat insulating box S303, fireproof heat insulating slurry S304 have fire prevention and insulation effect, effectively prevent being burnt It ruins；Simultaneously as the fireproof heat insulating box S303, the fireproof heat insulating slurry S304 increase fire door outer casing thickness, it can be effective Heat is isolated, prevents heat loss, and guarantees that the fire door shell is not susceptible to deform；The fire door shell closing process In, the seal pressing device can force the fire door shell to compress towards the coal filling hole 8, the fire proof seal press strip S307 It is tightly fitted in 8 edge of coal filling hole, after the fire door shell is closed, the fire proof seal press strip S307 and the coal filling hole To be tightly connected between 8, the fire proof seal press strip S307 has fire prevention, sealing, anti-suck effect, effectively prevent furnace endogenous fire Seedling, Mars, harmful smoke, inflammable and explosive flue gas enter interior, improve safety in utilization, reduce indoor pollution；Structure Design is rationally, sealing effect is good, will not deform or burn.

The seal pressing device includes the clip-connecting rod S308 being transversely mounted on the coal filling hole 8 and is transversely mounted on institute It states and is hinged with pressure plate S310, the pressure plate S310 on the hinge column S309, the hinge column S309 of the end stove door plant S301 One end be provided with the clamping groove S311 with the clip-connecting rod S308 compression fit, the other end of the pressure plate S310 is connected with Spanner S312 is compressed, is provided with the clamping for forcing the fire door shell to compress towards the coal filling hole 8 on the clamping groove S311 Face S313.When closing the fire door shell, pull the compression spanner S312 downwards first, the compression spanner S312 around The hinge column S309 rotation, the clamping groove S311 is moved upwards towards the direction the clip-connecting rod S308, described referring to Fig. 7 In clamping groove S311 motion process, the card access surface S313 can be contacted with the clip-connecting rod S308 first, when the compression spanner S312 continues during pulling downwards, and the clip-connecting rod S308 is opposite to be moved along the card access surface S313, in motion process, institute Stating clip-connecting rod S308 can force the fire door shell to compress towards the coal filling hole 8, when the clip-connecting rod S308 move to it is described When clamping groove S311 minimum point, the clamping groove S311 can be stuck in the clip-connecting rod S308, and the fire door shell is locked, this When, the fire proof seal press strip S307 is tightly fitted in 8 edge of coal filling hole, and sealing effect is best.

Referring to Fig. 8, the efficient heat-collecting system S4 includes more choked flow heat exchanger tubes being connected to the heat exchanging water-jacket 9 S401, the choked flow heat exchanger tube S401 are provided with three layers and are distributed in mountain shape, and the choked flow heat exchanger tube S401 of adjacent two layers is vertical To Heterogeneous Permutation, the gap between the choked flow heat exchanger tube S401 of phase same layer is outer less than the choked flow heat exchanger tube S401 Diameter.Compared with prior art, increase on furnace body 1 and be provided with the heat exchanging water-jacket 9, the choked flow heat exchanger tube S401, work as flue gas When carrying heat by the smoke discharging pipe 4 discharge, it can successively pass through the heat exchanging water-jacket 9, the choked flow heat exchanger tube S401, fill Divide and utilize the heat absorption in flue gas, so that heat makes full use of, improves the thermal efficiency of heating stove；Wherein, the choked flow is changed Heat pipe S401 also have the effect of hinder heat quickly through, that is, increase heat movement travel so that heat is slow It is flowed out from the smoke discharging pipe 4, increases heat residence time in the smoke discharging pipe 4, realize the further abundant of heat It utilizes.

Referring to Fig. 8, the choked flow heat exchanger tube S401 is provided with three layers of total six roots of sensation, is distributed in mountain shape, working principle are as follows: work as heat After amount comes out out of described burner hearth 2, it is first on the choked flow heat exchanger tube S401 of lowermost layer, heat first can be by most bottom The choked flow heat exchanger tube S401 of layer breaks up, and is no longer upward vertical movement, and in order to avoid the choked flow heat exchanger tube S401 meeting Cornering maneuver, which occurs, can also be forced cornering maneuver due to touching choked flow heat exchanger tube S401 when moving to layer second from the bottom, And so on, it continues up, until discharge；In heat motion process, be primarily due to the choked flow heat exchanger tube S401 with It, can be to the choked flow heat exchanger tube S401 and the heat exchanging water-jacket 9 in heat motion process with the presence of water in the heat exchanging water-jacket 9 Interior water is heated, and is forced cornering maneuver additionally, due to heat, increases travel of the heat in the smoke discharging pipe 4, It is absorbed and utilized so that heat rests in the smoke discharging pipe 4 more by the heat exchanging water-jacket 9.

Gap between the choked flow heat exchanger tube S401 of phase same layer is less than the outer diameter of the choked flow heat exchanger tube S401, i.e., From top layer to as viewed from lowest level, gap is not present known to observation between the choked flow heat exchanger tube S401, guarantees that heat is not straight It connects and is discharged vertically upward, but can at least have a cornering maneuver (choked flow in addition to being located at bottom both ends exchanges heat There are gap between pipe S401, the choked flow heat exchanger tube S401 and the heat exchanging water-jacket 9 due to being located at bottom both ends, Heat can be by gap upward vertical movement, but during moving upwards, and heat can mainly be absorbed by the heat exchanging water-jacket 9, because This vertically upward to be discharged to outdoor heat seldom, can be ignored).

Referring to Fig. 9 and Figure 10, the flue deashing device S5 includes the deashing being arranged on the outer wall of the smoke discharging pipe 4 Mouthful, the cleaning door passes through the heat exchanging water-jacket 9 and is connected to the heat exchanging chamber 7, corresponding detachable installation on the cleaning door There is cover board S501, is provided with fixed device between the cleaning door and the cover board S501；The cleaning door includes respectively corresponding The side cleaning door S502 of the two sides choked flow heat exchanger tube S401 is set and is correspondingly arranged at below the choked flow heat exchanger tube S401 Ash port S503, the two side cleaning door S502 are symmetricly set on the side wall of the heat exchanging water-jacket 9, the ash port S503 It is arranged on the bottom wall of the heat exchanging water-jacket 9.The side cleaning door S502 is for clearing up the choked flow heat exchanger tube S401, described changing Dust on hot water jacket 9, the ash port S503 are used to clear up the dust for accumulating and falling in below the choked flow heat exchanger tube S401；Behaviour When making, can by hand-held hairbrush or scraper plate, across the side cleaning door S502 by the choked flow heat exchanger tube S401, described change Dust on 9 side wall of hot water jacket cleans up, and the dust cleaned up can fall the furnace body 1 of the lower section in the choked flow heat exchanger tube S401 On inner wall, when the dust of accumulation is more, the ash port S503 is opened, is accumulated in the lower section for stating choked flow heat exchanger tube S401 Dust can easily be cleaned up；Simple structure and reasonable design, cleaning are convenient；Be conducive to quickly clean in smoke discharging pipe 4 Dust.

Referring to Figure 10, the fixed device includes the fixed transverse rod S504 being fixed on the cleaning door, the fixed cross Bar S504 passes through the center of the cleaning door, and the both ends of the fixed transverse rod S504 are respectively welded at the inner wall of the cleaning door On, the center of the cleaning door is fixedly installed with threaded post S505 outward, and the cover board S501 is sleeved on the threaded post S505 On, the outside screw on the threaded post S505 positioned at the cover board S501 is connected with fastening bolt S506.It, will be described when installation Cover board S501 is sleeved on the threaded post S505, and the fastening bolt S506 precession is then threaded in the screw thread again On column S505, the cover board S501 is fixedly mounted at the cleaning door by the fastening bolt S506；When disassembly, first by institute It states fastening bolt S506 to screw out from the threaded post S505, then takes the cover board S501 from the threaded post S505 Under, it can finally clear up the dust in the smoke discharging pipe 4.

The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model Claimed range is defined by the appending claims and its equivalent thereof.

Claims (9)

1. second-time burning high efficient heating furnace, including furnace body, it is provided with taper burner hearth in the furnace body front, the furnace body top is set It is equipped with the fire door being located above the burner hearth, is provided with fire grate below the burner hearth, storage ash is provided with below the fire grate Thorax, the rear upper of the furnace body are provided with the smoke discharging pipe being connected to the burner hearth, and the end of the smoke discharging pipe is provided with Smoke outlet, it is characterised in that: be provided with crater at the top of the burner hearth, second-time burning air feed system is provided at the crater System, is provided with the heat exchanging chamber being connected to the smoke discharging pipe, is equipped on the fire door between the crater and the fire door Flue gas in the heat exchanging chamber guides fire distribution unit, and the flue gas guidance fire distribution unit is arranged in the second-time burning air feed Above system；The front of the furnace body is provided with the coal filling hole being connected to the burner hearth, corresponding hinged installation outside the coal filling hole There is coal smoke-backflow-proof sealing device；The heat exchanging water-jacket being connected to, the smoke exhaust pipe are provided on the burner hearth and the smoke discharging pipe It is provided with the efficient heat-collecting system being connected to the heat exchanging water-jacket in road, is provided on the outer wall of the smoke discharging pipe and the height Imitate the corresponding flue deashing device of collecting system, the lower rear of the furnace body be provided be connected to the heat exchanging water-jacket it is explosion-proof Valve；The heat exchanging water-jacket connect with heating terminal.

2. second-time burning high efficient heating furnace as described in claim 1, it is characterised in that: flue gas guidance fire distribution unit includes It is mounted on above the burner hearth and matches fiery disk, the bottom with fiery disk is provided with into burner, and the size into burner is greater than The size of the crater on the burner hearth, the top edge with fiery disk are provided with the disk that card is placed on the fire door edge Edge, it is described to extend with fiery disk from top-to-bottom inward slant, it is circumferentially provided on the side wall with fiery disk multiple for drawing Lead flue gas and heat with burner, the size with burner at the smoke discharging pipe is less than the separate smoke discharging pipe Locate the size with burner, along location hole is above provided with, the fire door edge is provided with inserts the disk with the location hole Connect the positioning column of cooperation.

3. second-time burning high efficient heating furnace as described in claim 1, it is characterised in that: the second-time burning air feed system includes The secondary air chamber of the roof of the furnace is set, and the secondary air chamber is circumferentially positioned at the crater on the burner hearth Top, multiple secondary air outlets are provided on the inner wall of the secondary air chamber, and the secondary air outlet is described around being arranged in On secondary air cavity wall；The air inlet being connected to the secondary air chamber is provided on the sidewall of the furnace body, far from it is described into The size of the secondary air outlet at air port is greater than the size of the secondary air outlet close to the air inlet；The furnace Body sidewall, which is located at outside the air inlet, is equipped with air inlet box, is provided with fixed air inlet hole, the fixation on the outside of the air inlet box Air inlet hole is located at the downside of the air inlet.

4. second-time burning high efficient heating furnace as described in claim 1, it is characterised in that: the coal smoke-backflow-proof sealing device packet Including fire door shell, the fire door shell includes stove door plant and the fire door edge that is enclosed on the stove door plant, and the one of the fire door edge End is hinged on the coal filling hole, and the other end on the fire door edge, which is equipped with, forces the fire door shell towards the coal filling hole pressure Tight seal pressing device；The side of the stove door plant towards the coal filling hole is equipped with fireproof heat insulating box, the fireproof heat insulating Box is welded on the stove door plant, and fireproof heat insulating slurry is equipped in the fireproof heat insulating box, is provided on the fireproof heat insulating box Heat preservation slurry added holes, is provided with multiple heat preservation slurry outflow holes between the fireproof heat insulating box and the stove door plant, the fire prevention is protected Warm box and the fire door are fixedly installed with fire proof seal press strip between.

5. second-time burning high efficient heating furnace as claimed in claim 4, it is characterised in that: the seal pressing device includes laterally The clip-connecting rod that is mounted on the coal filling hole and the hinge column for being transversely mounted on the stove door plant end, it is hinged on the hinge column Have a pressure plate, one end of the pressure plate is provided with the clamping groove with the clip-connecting rod compression fit, the pressure plate it is another End is connected with compression spanner, and the clamping for forcing the fire door shell to compress towards the coal filling hole is provided in the clamping groove Face.

6. second-time burning high efficient heating furnace as described in claim 1, it is characterised in that: the efficient heat-collecting system includes and institute More choked flow heat exchanger tubes of heat exchanging water-jacket's connection are stated, the choked flow heat exchanger tube is provided with three layers and is distributed in mountain shape, adjacent two layers The longitudinally displaced arrangement of choked flow heat exchanger tube, the gap between the choked flow heat exchanger tube of phase same layer is less than the choked flow and changes The outer diameter of heat pipe.

7. second-time burning high efficient heating furnace as claimed in claim 6, it is characterised in that: the flue deashing device includes setting Cleaning door on the outer wall of the smoke discharging pipe, the cleaning door pass through the heat exchanging water-jacket and are connected to the heat exchanging chamber, Correspondence is detachably equipped with cover board on the cleaning door, and fixed device is provided between the cleaning door and the cover board；It is described Cleaning door includes respectively corresponding the side cleaning door that choked flow heat exchanger tube two sides are arranged in and being correspondingly arranged at the choked flow to exchange heat Ash port below pipe, the two side cleaning doors are symmetricly set on the side wall of the heat exchanging water-jacket, and the ash port setting exists On the bottom wall of the heat exchanging water-jacket.

8. second-time burning high efficient heating furnace as claimed in claim 7, it is characterised in that: the fixed device includes being fixed on institute The fixed transverse rod on cleaning door is stated, the fixed transverse rod passes through the center of the cleaning door, the both ends difference of the fixed transverse rod It is welded on the inner wall of the cleaning door, the center of the cleaning door is fixedly installed with threaded post outward, and the cover board is sleeved on In the threaded post, the outside screw in the threaded post positioned at the cover board is connected with fastening bolt.

9. the second-time burning high efficient heating furnace as described in claim 1 to 8 any claim, it is characterised in that: the smoke evacuation The water inlet being connected to the heating terminal, the lower rear setting of the furnace body are provided on the heat exchanging water-jacket outside pipeline There is the water return outlet being connected to the heat exchanging water-jacket, the water return outlet is connected to the heating terminal.