CN202303464U - Improved hearth furnace - Google Patents

Improved hearth furnace Download PDF

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Publication number
CN202303464U
CN202303464U CN2011204191692U CN201120419169U CN202303464U CN 202303464 U CN202303464 U CN 202303464U CN 2011204191692 U CN2011204191692 U CN 2011204191692U CN 201120419169 U CN201120419169 U CN 201120419169U CN 202303464 U CN202303464 U CN 202303464U
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CN
China
Prior art keywords
burner hearth
stove
chamber
bocca
combustion chamber
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Expired - Fee Related
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CN2011204191692U
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Chinese (zh)
Inventor
丁吉智
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丁吉智
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Priority to CN2011204191692U priority Critical patent/CN202303464U/en
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Publication of CN202303464U publication Critical patent/CN202303464U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Abstract

The utility model discloses an improved hearth furnace which comprises a furnace body, wherein a hearth is arranged in the furnace body; the lower part of the hearth is connected with an ash receiving chamber; the hearth comprises a combustion chamber and a pre-combustion chamber; the lower parts of the combustion chamber and the pre-combustion chamber are communicated; a fire nozzle is arranged at the upper end of the combustion chamber; one end of the pre-combustion chamber is connected with a feed port; and a cover is arranged on the feed port. Through the utility model, as a vertical wall is added, the fire nozzle is lengthened, and the combustible gas goes downwards to the lower part of the fire nozzle under the suction effect of a chimney and can be quickly burnt since the temperature exceeds the burning point before ignition; and due to the combustion of the gas, the burning temperature and the flame temperature are greatly increased, the furnace efficiency is remarkably improved, and the initial smoking time of the chimney is very short. As the distance of the flame of the burning gas and fuel combined flowing to the fire nozzle is lengthened, the flame is in relatively long contact with a multi-gas inlet hole on the side surface of the hearth, the combustion of the gas is more complete due to multiple times of gas supplement, and the furnace is more energy-saving and efficient and realizes less emission.

Description

Modified burner hearth stove and accessory
Technical field
The utility model relates to a kind of stove and accessory, is specifically related to a kind of modified burner hearth stove and accessory.
Background technology
At present; Stove and accessory kind on the market, model are a lot; Along with people's is to the attention of energy problem, is that the stove and accessory of fuel more and more receives people's attention with living beings such as stalks, and its structure of gasification furnace that occurs in the market comprises that several parts such as gasification pot, combustion head and clarifier form; The shortcoming that exists mainly is: floor space is big, installs inconvenient; Can not continuous charging, form the cavity easily, so burning time is short, flame instability; Produce a large amount of tar, the easy blocking kitchen range.
Can find out that to sum up there is following problem in existing stove and accessory: one, energy-conservation aspect: no matter traditional stove and accessory is fuel with the stalk still with coal, and the insufficient or fuel gas of common existence burning runs off serious, causes the low shortcoming of efficiency of combustion; Two, environmental protection aspect: a large amount of smog and the ashes of insufficient generation of burning, not only pollute the environment, even a large amount of tar gas that produced smell foul, also be prone to carcinogenic; Three, efficient aspect:, cause efficiency of combustion lower owing to reasons such as incomplete combustion, fuel gas losses; Four, higher like common gasification furnace cost, user especially peasant uses investment excessive, and stove and accessory is difficult for promoting the use of; Five, Range structure is complicated, troublesome poeration, and user especially peasant is difficult for grasping.
The applicant applied on January 5th, 2011 that name was called the patent of " novel burner hearth stove and accessory "; Its patent No. is 201120001181.1, and technical scheme is: a kind of novel burner hearth stove and accessory, and it comprises body of heater; Be provided with burner hearth in the body of heater, a side of body of heater is connected with propellant bottle.One side at the body of heater center that is centered close to of said burner hearth, the first half of burner hearth is a bocca, and the latter half is abundant combustion chamber, and fully the combustion chamber is down funnel-form.The bottom of propellant bottle is the pre-burning vaporizer, and the pre-burning vaporizer connects as one structure with abundant combustion chamber.Its main inventive concept is on the oblique top of fire box precombustion chamber to be set to make fuel decomposite fuel gas herein, under the suction of chimney, sucks burner hearth, improves efficiency of combustion thus.The deficiency of its existence is: (1) combustion chamber and precombustion chamber integral body connect as one, and make combustion gas cause combustion gas to be run off at the low temperature place through fuel bed, and fuel pre-burning effect is incomplete; (2) bocca length is short, is unfavorable for abundant burning; (3) precombustion chamber and bocca all do not have independent air inlet, are difficult to reach burning fully; (4) burner hearth is positioned at a side at body of heater center, causes bocca also to be positioned at a side of fire door, is unfavorable for cooking; (5) though propellant bottle is longer, can add long fuel, its sectional area is less, forms the frame phenomenon easily, causes the less stable that burns, and influences efficiency of combustion.
Summary of the invention
The purpose of the utility model is for overcoming the deficiency of above-mentioned prior art, a kind of modified burner hearth stove and accessory being provided.
For realizing above-mentioned purpose, the utility model adopts following technical proposals:
A kind of modified burner hearth stove and accessory comprises body of heater, is provided with burner hearth in the body of heater; The bottom of burner hearth links to each other with ash-accepting chamber, and burner hearth comprises combustion chamber and precombustion chamber, and the bottom of combustion chamber and precombustion chamber is connected; The upper end of combustion chamber is a bocca, and an end of precombustion chamber connects charging aperture, and charging aperture is provided with lid.
The top of said combustion chamber and precombustion chamber separates through straight wall.The length of straight wall accounts for the 1/3-3/4 of burner hearth whole height.
Separate through straight wall: (1) constitutes directly that the combustion chamber is communicated with the precombustion chamber bottom, the disconnected architecture basics in top; (2) volume of increase precombustion chamber makes the biomass fuel of being come in by propellant bottle get into the precombustion chamber position more easily, reduces the built on stilts phenomenon that fuel descends and freely do not cause, and has increased the precombustion chamber volume simultaneously, makes fuel decomposition, gasification stable more and abundant; (3) cause bocca elongated, its objective is make combustion gas through fuel bed with prevent combustion gas at the low temperature place (the bocca temperature does not also reach ignition temperature) run off.A kind of mode that straight wall is just realized " combustion chamber is communicated with the precombustion chamber bottom, top be not communicated with " realizes and should have item (3) described effect too by " bottom connection, top are not communicated with " alternate manner, belongs to equally within this patent inventive concept.
Chamber structure before improving; Fuel gas directly flows to bocca, and when just having begun to light owing to stove and accessory, the bocca temperature does not also reach ignition temperature; Can cause this moment combustion gas to run off; Have only stove and accessory after burning a period of time, combustion gas just took fire after bocca place temperature rose to burning-point, and this phenomenon is reflected in chimney just has one period long period to smolder when stove and accessory begins to light.
After the improvement; Because the straight wall increase causes bocca elongated, makes fuel gas come downwards to the bocca bottom at the chimney suction, temperature has surpassed burning-point when being in the starting point combustion owing to this; Combustion gas can be in this conflagration; Because it is many that the burning of combustion gas raises ignition temperature and flame temperature, and stove and accessory efficient is increased greatly, the time of smoldering when chimney begins is very short.
Because the increase of straight wall makes the lower end of gas downflow to straight wall; The common burned flame of combustion gas and fuel; Flow to the stroke lengthening of bocca; Make flame and repeatedly air admission hole on the burner hearth side that long contacting arranged like this, repeatedly tonifying Qi can make the more complete of fuel gas buring, makes stove and accessory more energy-conservation, efficiently and more low emission.
The length of bocca depends on perpendicular strong length, accounts for the 1/3-3/4 of burner hearth whole height,
The furnace body wall of bocca below extends internally, and forms the inclined plane, has reduced the bocca and the abundant connected space of combustion chamber like this, and furnace body wall extends internally, and effect is: (1) prevents that abundant combustion chamber from advancing hyperoxia and forming direct combustion and strengthen fuel consumption; (2) to the effect of fuel gas or the oriented oblique upper water conservancy diversion of flame.
Straight wall is divided into two burner hearth; Reach the advantage of " with respect to traditional stove and accessory, burner hearth dwindles greatly, and the cavity of the bottom of the propellant bottle that is connected with inclination is connected as a single entity; it is additional that heat is utilized mutually with each other, the heat high concentration " of patent described in the background technology equally.
On said precombustion chamber place side wall of furnace, be provided with at least one air admission hole.Its effect is to increase the pre-burning air inlet, increases the amount of oxygen that gets into precombustion chamber, and pre-burning speed is increased, and accelerates gasification, improves the warm speed of cooking a meal.
On said bocca place side wall of furnace, be provided with at least one air admission hole.Its effect is to make burning more complete.
Said body of heater links to each other with propellant bottle, and the inner chamber of propellant bottle is connected with said precombustion chamber, and said propellant bottle is said charging aperture away from an end of precombustion chamber.Filled biomass matter fuel and coal etc. in the propellant bottle, its charging aperture is provided with the fuel cover, and the fuel cover can be opened the opening of any size, guarantees that suitable air carries out precombustion chamber in this opening, for fully necessary condition is prepared in pre-burning and gasification; Propellant bottle covers and is provided with handle.
Said propellant bottle tilts to be installed on the side of body of heater, and the last side tube-wall of propellant bottle links to each other with the body of heater upper wall, and the following side tube-wall of propellant bottle links to each other with the body of heater lower wall.This connected mode makes under the situation that does not change barrel dliameter and tube length degree, and the space of propellant bottle lower end increases, and makes fuel get into precombustion chamber more easily.Propellant bottle is obliquely installed and existingly utilizes the fuel free-falling to be convenient to filling fuel again, and propellant bottle is unsuitable vertical, and purpose is in order to prevent that fuel gas from upwards being overflowed by the fuel cover.But if fuel cover good seal, then the setting angle of propellant bottle is not limit by this, also is the place of the present invention's design.So the propellant bottle of the utility model can be vertically to the multiple mounting means of level.
On the barrel of said precombustion chamber place propellant bottle, be provided with at least one air admission hole.Effect is to increase the pre-burning air inlet, increases the amount of oxygen that gets into precombustion chamber, and pre-burning speed is increased, and accelerates gasification, improves the warm speed of cooking a meal.
Be provided with in the said ash-accepting chamber and connect ash bucket.The upper end of ash-accepting chamber is provided with fuel chambers, is provided with fire bars between fuel chambers and the ash-accepting chamber, and himself turns fire bars, is convenient to the ashes after the burning are fallen into ash-accepting chamber.Shared fire bars not only provides combustion-supporting air (oxygen) for the combustion chamber in the burner hearth, also provides aerogenesis required oxygen for precombustion chamber.One side of ash-accepting chamber is provided with and connects ash bucket, connects ash bucket and is drawer-like, and outside pull connects acting as of ash bucket: one of which, when not using stove and accessory the burning ashes in the ash-accepting chamber remove in outside; Its two, connect the distance that ash bucket outwards extracts out through control when using this stove and accessory and control intake, and then the size of control bocca flare.The bottom of ash-accepting chamber also is provided with the stove seat, and the stove seat is used to support whole stove and accessory.
The top of the port of said bocca is provided with firestopping ring.Firestopping ring can increase flame flow time bottom cooker, can improve drink thing speed about 10%.
The top of the port of said bocca connects flue, an end of flue be enclosed in bocca the port top around, and link to each other with the flue main part, the wall of flue is provided with fire door, fire door is positioned at the top of bocca.
Said fire door is provided with stone or metal plate for standing a stove on as a precaution against fire, and stone or metal plate for standing a stove on as a precaution against fire is provided with bell.Be used for cooking.When this stove and accessory is not cooked, can bell be covered fire door.
Around the body of heater, around the fire door, be provided with the water jacket that is connected around flue and the chimney.Water jacket is convenient to be communicated with radiator, is used for heating.
This stove and accessory is under the prerequisite that does not change combustion system, intake method, and each position shape of this stove and accessory, big I change as required.
Compared with prior art, the beneficial effect of the utility model is, after improving, (1) cook a meal warm efficient and power increases much with respect to the patent scheme in the background technology, finds through using, and is increased to the 4-6 sheet by each stove band 2-3 sheet radiator originally; (2) drink thing speed can improve more than 10%; (3) burning 1 hour is flammable opens about 30 jin of water, and is heated to 4 groups of radiators more than 60 ℃ simultaneously; (4) under the situation that increases by 1 times of radiator, the Coal-fired capacity increase seldom, in keeping kitchenware under the water fluidized state, per 1 hour coal-fired about 1.5 kilograms.
Description of drawings
Fig. 1 is the utility model structural representation.
Wherein 1. combustion chambers, 2. precombustion chamber, 3. ash-accepting chamber, 4. bocca, 5. propellant bottle; 6. straight wall, 7. inclined plane, 8. pre-burning air admission hole, 9. many air admission holes, 10. fuel cover; 11. the stove seat, 12. firestopping rings, 13. stone or metal plate for standing a stove on as a precaution against fires, 14. bells, 15. flues; 16. chimney, 17. water jackets, solid arrow are represented the fuel gas moving direction, and dotted arrow is represented the high temperature air moving direction.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
As shown in Figure 1, a kind of modified burner hearth stove and accessory comprises body of heater; Be provided with burner hearth in the body of heater, the bottom of burner hearth links to each other with ash-accepting chamber 3, and burner hearth comprises combustion chamber 1 and precombustion chamber 2; The bottom of combustion chamber 1 and precombustion chamber 2 is connected; The upper end of combustion chamber 1 is a bocca 4, and an end of precombustion chamber 2 connects charging aperture, and charging aperture is provided with lid.
Said combustion chamber 1 separates through straight wall 6 with the top of precombustion chamber 2.The length of straight wall 6 accounts for 2/3 of burner hearth whole height.Straight wall 6 right-hand with the below be combustion chamber 1,1 top, combustion chamber and upper left side are precombustion chamber 2.1 bottom, combustion chamber contacts with fire bars.Attention: combustion chamber 1 is not strict obvious limit with precombustion chamber 2.
The length of bocca 4 depends on perpendicular strong length, accounts for 2/3 of burner hearth whole height.
The furnace body wall of bocca 4 belows extends internally, and forms inclined plane 7, and it not only can prevent that abundant combustion chamber 1 from advancing hyperoxia and forming direct combustion and strengthen fuel consumption but also can be to the effect of fuel gas or the oriented oblique upper water conservancy diversion of flame.
Straight wall 6 is divided into two burner hearth; Reach the advantage of " with respect to traditional stove and accessory, burner hearth dwindles greatly, and the cavity of the bottom of the propellant bottle 5 that is connected with inclination is connected as a single entity; it is additional that heat is utilized mutually with each other, the heat high concentration " of patent described in the background technology equally.
On said bocca 4 place's side wall of furnace, be provided with three repeatedly air admission holes 9.Repeatedly air admission hole 9 links to each other with ash-accepting chamber 3 through passage between burner hearth and the body of heater.
Said body of heater links to each other with propellant bottle 5, and the inner chamber of propellant bottle 5 is connected with said precombustion chamber 2, and said propellant bottle 5 is said charging aperture away from an end of precombustion chamber 2.Combustible materials such as filled biomass matter fuel and coal in the propellant bottle 5; Its charging aperture is provided with fuel cover 10; Fuel cover 10 can be opened the opening of any size, guarantees that suitable air carries out precombustion chamber 2 in this opening, for fully necessary condition is prepared in pre-burning and gasification; Fuel cover 10 is provided with handle.
Said propellant bottle 5 tilts to be installed on the side of body of heater, and the last side tube-wall of propellant bottle 5 links to each other with the body of heater upper wall, and the following side tube-wall of propellant bottle 5 links to each other with the body of heater lower wall.Side tube-wall increases its sectional area rotating up to closely horizontally with body of heater upper wall connecting place on the propellant bottle 5, under the prerequisite that does not increase propellant bottle 5 length, makes material get into precombustion chamber 2 more easily.Insert in the body of heater propellant bottle 5 lower plates and coupling part, body of heater bottom; Insertion portion communicates with ash-accepting chamber 3 with the formed space of body of heater; And the tube end plate that inserts body of heater is provided with pre-burning air admission hole 8; The air inlet of pre-burning air admission hole 8 gets in ash-accepting chamber, and (1) has certain temperature from ash-accepting chamber's air inlet like this, can save heat; (2) help using ash-accepting chamber's control air inlet size.On the barrel of said precombustion chamber 2 place's propellant bottles 5, be provided with two pre-burning air admission holes 8.
Be provided with in the said ash-accepting chamber 3 and connect ash bucket.The upper end of ash-accepting chamber 3 is provided with fire bars, and ash-accepting chamber 3 is connected with combustion chamber 1, and himself turns fire bars, is convenient to the ashes after the burning are fallen into ash-accepting chamber 3.Shared fire bars not only provides combustion-supporting air (oxygen) for the combustion chamber 1 in the burner hearth, also provides aerogenesis required oxygen for precombustion chamber 2.One side of ash-accepting chamber 3 is provided with and connects ash bucket, connects ash bucket and is drawer-like, and outside pull connects acting as of ash bucket: one of which, when not using stove and accessory the burning ashes in the ash-accepting chamber 3 remove in outside; Its two, connect the distance that ash bucket outwards extracts out through control when using this stove and accessory and control intake, and then the size of control bocca 4 flare.The bottom of ash-accepting chamber 3 also is provided with stove seat 11, and stove seat 11 is used to support whole stove and accessory.
The top of the port of said bocca is provided with firestopping ring 12.Firestopping ring 12 can increase flame flow time bottom cooker, can improve drink thing speed about 10%.
The top of the port of said bocca connects flue 15, an end of flue 15 be enclosed in bocca the port top around, and link to each other with flue 15 main parts, the wall of flue 15 is provided with fire door, fire door is positioned at the top of bocca.
Said fire door is provided with stone or metal plate for standing a stove on as a precaution against fire 13, and stone or metal plate for standing a stove on as a precaution against fire 13 is provided with bell 14.Be used for cooking.When this stove and accessory is not cooked, can bell 14 be covered fire door.
The top of the port of said bocca connects flue 15 and chimney 16, and around the body of heater, around the fire door, be provided with the water jacket 17 that is connected around flue 15 and the chimney 16.
The said flue 15 outer water jackets 17 that are provided with.Water jacket 17 is convenient to be communicated with radiator, is used for heating.
This stove and accessory is under the prerequisite that does not change combustion system, intake method, and what of each position shape of this stove and accessory, size, each air admission hole can change as required.

Claims (10)

1. a modified burner hearth stove and accessory comprises body of heater, is provided with burner hearth in the body of heater; The bottom of burner hearth links to each other with ash-accepting chamber, and burner hearth comprises combustion chamber and precombustion chamber, it is characterized in that; The bottom of combustion chamber and precombustion chamber is connected; The upper end of combustion chamber is a bocca, and an end of precombustion chamber connects charging aperture, and charging aperture is provided with lid.
2. modified burner hearth stove and accessory according to claim 1 is characterized in that the top of said combustion chamber and precombustion chamber separates through straight wall.
3. modified burner hearth stove and accessory according to claim 2 is characterized in that the length of said straight wall accounts for the 1/3-3/4 of furnace height.
4. modified burner hearth stove and accessory according to claim 1 and 2 is characterized in that, the furnace body wall of bocca below extends internally, and forms the inclined plane.
5. modified burner hearth stove and accessory according to claim 1 and 2 is characterized in that, on said precombustion chamber place side wall of furnace, is provided with at least one air admission hole.
6. modified burner hearth stove and accessory according to claim 1 and 2 is characterized in that, on said bocca place side wall of furnace, is provided with at least one air admission hole.
7. modified burner hearth stove and accessory according to claim 1 and 2 is characterized in that said body of heater links to each other with propellant bottle, and the inner chamber of propellant bottle is connected with said precombustion chamber, and said propellant bottle is said charging aperture away from an end of precombustion chamber.
8. modified burner hearth stove and accessory according to claim 7 is characterized in that, said propellant bottle tilts to be installed on the side of body of heater, and the last side tube-wall of propellant bottle links to each other with the body of heater upper wall, and the following side tube-wall of propellant bottle links to each other with the body of heater lower wall.
9. modified burner hearth stove and accessory according to claim 1 is characterized in that the top of the port of said bocca is provided with firestopping ring.
10. according to claim 1 or 9 described modified burner hearth stove and accessorys, it is characterized in that the top of said bocca connects flue; One end of flue be enclosed in bocca port top around; And link to each other with the flue main part, the wall of flue is provided with fire door, and fire door is positioned at the top of bocca; Said fire door is provided with stone or metal plate for standing a stove on as a precaution against fire, and stone or metal plate for standing a stove on as a precaution against fire is provided with bell.
CN2011204191692U 2011-10-28 2011-10-28 Improved hearth furnace Expired - Fee Related CN202303464U (en)

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Application Number Priority Date Filing Date Title
CN2011204191692U CN202303464U (en) 2011-10-28 2011-10-28 Improved hearth furnace

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Application Number Priority Date Filing Date Title
CN2011204191692U CN202303464U (en) 2011-10-28 2011-10-28 Improved hearth furnace

Publications (1)

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CN202303464U true CN202303464U (en) 2012-07-04

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CN2011204191692U Expired - Fee Related CN202303464U (en) 2011-10-28 2011-10-28 Improved hearth furnace

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105318318A (en) * 2014-06-20 2016-02-10 卓卫民 Solid fuel clean burning device and using method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105318318A (en) * 2014-06-20 2016-02-10 卓卫民 Solid fuel clean burning device and using method thereof
CN105318318B (en) * 2014-06-20 2018-08-03 卓卫民 Solid fuel clean combustion equipment and its application method

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120704

Termination date: 20161028