CN204901837U - Firewood charcoal fires burning furnace - Google Patents

Abstract

The utility model discloses a firewood charcoal fires burning furnace, it adds the charcoal mouth and be one at least, add be connected with that the slope upwards sets up on the charcoal mouth add the charcoal pipe, add top that the charcoal managed and be equipped with and cover with the charcoal, the combustion -supporting chamber on upper portion and the burning chamber of lower part are separated into to the inner chamber of furnace body, are equipped with in the furnace body the second fire door of combustion -supporting chamber with the chamber intercommunication that burns, and the furnace body top corresponds the second fire door and has seted up first fire door, the section of thick bamboo that heats of prolonged downward setting is equipped with admittedly in the inherent second fire door department of furnace body, has offered gas passing channel on heating a section of thick bamboo, and the bottom that heats a section of thick bamboo lies in with charcoal mouth below, is equipped with the blast pipe that its outer tip can feed through with outside atmosphere intercommunication, interior tip and combustion -supporting chamber in the furnace body. The utility model discloses adding charcoal pipe slope setting, setting up in the furnace body and heat a section of thick bamboo, let the air get into the fire door from the furnace body bottom and help the oxygen burning, the calorific value is higher in combustion processes, better, smokeless, tasteless, the no tar of efficiency, not at the bottom of the black -cooking pot.

Description

Firewood charcoal combustion furnace

Technical field

The utility model relates to a kind of combustion furnace, particularly relates to a kind of firewood charcoal combustion furnace.

Background technology

At present, known China and global rural area firewood charcoal stove mostly are the simple and easy cooking stove of self-control masonry, the simple and crude cast iron bought or simple metal cooking stove and the bavin firewood stove that generally gasifies, the in use burning such as faggot, coal (especially low-grade coal) is insufficient, efficiency is extremely low, the time and efforts of user is wasted while causing energy waste, and its dense smoke produced and dust serious environment pollution, pernicious gas directly endangers the physical and mental health of user.Also have at present partial gasification firewood coalpit in use, but to there is ignition temperature low for existing gasification firewood coalpit, burns insufficient, coal tar and dust polluting environment.Clean cooking stove alliance publish data according to the whole world to claim: the whole world about has 3,000,000,000 people cook in the traditional living beings (such as: firewood, cow dung, stalk) of Indoor Combustion and coal and get dim, uses the people of this fuel to keep present situation to the year two thousand twenty.Estimate according to the World Health Organization, this life style, cause every year 1500000 people because sucking the toxic gases such as a large amount indoor smog premature death, and great majority are women, children and old man.The situation is tense in environmental protection and energy saving, fourth round Sino-U.S. strategy and the economic session held 3 to 4 May in 2012, and China announces to add the clean cooking stove alliance in the whole world.In order to overcome existing firewood charcoal stove combustion problem, be now badly in need of a kind of firewood charcoal gasification combustion furnace of high-efficient energy-saving environment friendly.

Summary of the invention

The technical problems to be solved in the utility model is to provide a kind of firewood charcoal sufficient combustion and without the firewood charcoal combustion furnace of black smoke.

For solving the problems of the technologies described above, the utility model comprises body of heater, combustion chamber is provided with in body of heater, the corresponding combustion chamber of body of heater sidepiece is provided with charcoal-adding opening, and the corresponding combustion chamber top of body of heater is provided with fire door, and the inherent combustion chamber bottom of described body of heater is provided with fire grate, be provided with below the inherent fire grate of body of heater can with the lime-ash box of ft connection, its design feature is that described charcoal-adding opening is at least one, described charcoal-adding opening is connected with tilt upward setting add charcoal pipe, described in add charcoal pipe top be provided with can be closed add charcoal lid; The inner chamber of described body of heater is separated into the combustion-supporting chamber on top and the combustion chamber of bottom, the second fire door be communicated with combustion chamber in combustion-supporting chamber is provided with in described body of heater, corresponding second fire door in described body of heater top offers the first fire door, and described first fire door is provided with the bell that can be closed; That under the second fire door place is fixed with, stretches setting in described body of heater heats cylinder, the described cylinder that heats offers multiple gas passage excessively on the barrel near the second fire door end, the described bottom heating cylinder is positioned at below charcoal-adding opening, is provided with the ajutage that its outer end can be communicated with outside atmosphere, inner end is communicated with combustion-supporting chamber in described body of heater.

The length ratio of the described length and combustion chamber that heat cylinder is 4/1 to five/3rds.

The diameter ratio of the described diameter and combustion chamber that heat cylinder is 3/1 to four/10ths.

Described body of heater is provided with two charcoal-adding openings, and two charcoal-adding openings are oppositely arranged.

The cleaning door that described body of heater sidepiece offers clean-up port and clean-up port can be closed, the height of described clean-up port higher than fire grate height and lower than the height of charcoal-adding opening.

Described body of heater inner surface is equipped with refractory material, refractory material surrounds combustion chamber, described ajutage is vertically arranged, it is embedded in refractory material, and the top of described ajutage is stretched out refractory material and stretched in combustion-supporting chamber, and the lower end of described ajutage is stretched in lime-ash box.

The lower end of described ajutage is connected with branched pipe, and described branched pipe stretches out body of heater outer surface, described body of heater is provided with the air door that can control branched pipe mouth of pipe open degree.

Described ajutage is more than two, and it is evenly periphery in body of heater.

The described cylinder that heats is made up of iron casting or high temperature resistant synthetic metals tubing or non-metallic refractory.

The described gas passage crossed is be opened in heat cylinder crosses air cleft, crosses air cleft and is horizontally disposed with, and cross air cleft for many and to be crisscross arranged up and down and it is evenly periphery and is heating on cylinder, the described width crossing air cleft is 1-3mm.

After adopting said structure, the utility model adds charcoal pipe and is obliquely installed, and make firewood charcoal in body of heater, react more abundant, burning is more thorough, and gas production is larger.When normally using, also the fuel such as the fuel wood of humidity can be dried adding in charcoal pipe, being convenient to subsequent combustion; Arrange in body of heater and heat cylinder, the epimere heating cylinder arranged gas passage, made flue gas enter combustion-supporting chamber combustion; Arrange ajutage, allow air enter fire door from bottom of furnace body and help oxygen to burn, calorific value is higher in combustion, and efficiency is better, smokeless, tasteless, without at the bottom of tar, no blacking pan.Because fuel is dry, fire box temperature is high, helps oxygen to burn in addition, and fuel can burn completely, improves the thermal efficiency, saves fuel, protection of the environment.The utility model adopts and heats cylinder efficiently, makes the combustion gas containing a large amount of steam, tar, dust help oxygen Thorough combustion when high temperature.

Accompanying drawing explanation

Below in conjunction with the drawings and the specific embodiments, the utility model is described in further detail:

Fig. 1 is structural representation of the present utility model;

Fig. 2 is the structural representation of the another kind of embodiment of the utility model.

Detailed description of the invention

As shown in Figure 1, firewood charcoal combustion furnace comprises body of heater 1 cylindrically, and be provided with horizontally disposed dividing plate 6 near its top in body of heater 1, the inner chamber of body of heater 1 is separated into the combustion-supporting chamber 12 on top and the combustion chamber 11 of bottom by dividing plate 6.The inner surface of the corresponding combustion chamber of body of heater 1 is equipped with refractory material 5, refractory material 5 surrounds combustion chamber 11, body of heater 1 inherent combustion chamber 11 bottom is provided with fire grate 7 and is provided with lime-ash box below fire grate 7, the shoot door 18 that on body of heater 1, corresponding lime-ash box offers cleaning door 17 and cleaning door 17 can be closed.

The middle part of dividing plate 6 offers the second fire door 13 be communicated with combustion chamber 11 in combustion-supporting chamber 12, what setting stretched by dividing plate 6 under the second fire door 13 place is fixed with heats cylinder 3, the bottom heating cylinder 3 is positioned at below charcoal-adding opening, heat cylinder 3 and the second fire door 13 is coaxially set, and the internal diameter of the second fire door 13 is equal with the internal diameter heating cylinder 3, namely heats cylinder 3 and arrange around the second fire door 13.Heat cylinder 3 on the barrel near the second fire door 13 end, offer multiple gas passage excessively, cross gas passage to can be to be arranged on and heat air passing hole on cylinder 3 or cross air cleft, air cleft 31 was preferably selected in the present embodiment, cross air cleft 31 flue gas heated around cylinder 3 can be made evenly to enter heat in cylinder 3, this kind of fume air inlet effect is best, the region of offering crossing air cleft 31 accounts for and wholely heats 1/1 to two/3rd of cylinder 3, namely heat length that cylinder offered the region of air cleft to account for and heat 1/1 to two/3rd of the whole length of cylinder, all air clefts 31 of crossing all are horizontally disposed with, cross air cleft about 31 for many to be crisscross arranged and it is evenly periphery and is heating on cylinder 3, the width crossing air cleft 31 is 1-3mm.Heat cylinder 3 in the present embodiment to be made up of iron casting or high temperature resistant synthetic metals tubing or non-metallic refractory, dividing plate is also made up of iron casting or high temperature resistant synthetic metals tubing or non-metallic refractory, non-metallic refractory can use refractory etc., heat cylinder and be heated to higher temperature in combustion chamber 11, can heat entering from mistake air cleft 31 flue gas heating cylinder 3, improve the temperature of burning mixture in flue gas, and then ensure that it is abundant in combustion-supporting chamber 12 combustion.Cylinder is heated by arranging; substantially increase fire box temperature; exceed more than 1300 degree Celsius; be beneficial to fuel combustion; define independent permanent combustion space simultaneously; this product is made forever to be in naked light fired state when obtaining fuel; the chemical substances such as the sulphur in hot environment in coal gas, phosphorus form forward chemical combination and sub-chemical combination; generate new salt; be called now the raw salt method of burning or direct raw salt method; be solidificated in lime-ash by chemical substances such as sulphur, phosphorus, mercury, emission reaches 2014 discharging standards completely, greatly protects environment.Simultaneously because this product can be in naked light fired state always, by the adjustment of air door and fire sealer, big fire, moderate heat, little fire, low baking temperature burning can be controlled to, thus achieve 24 hours not put out a fire, overturned completely traditional firewood charcoal stove once over-emitting black exhaust of banking up a fire, even fire extinguishing and the situation of contaminated environment.The length ratio of the length and combustion chamber that heat cylinder in the utility model is 4/1 to five/3rds, the diameter ratio of the diameter and combustion chamber that heat cylinder is 3/1 to four/10ths, the heating cylinder and can ensure that flame enters from heating a bottom preferably of this kind of ratio, flue gas from it portion is crossed gas passage and is entered, and is conducive to burning.

Corresponding second fire door 13 in body of heater 1 top offers the first fire door, and the first fire door is provided with the bell 14 that can be closed.The corresponding combustion-supporting chamber 12 of body of heater 1 offers outlet flue 15, outlet flue 15 is connected with pipe 16.The ajutage 4 that its outer end can be communicated with outside atmosphere, inner end is communicated with combustion-supporting chamber 12 is provided with in body of heater 1.Ajutage 4 is vertically arranged, it is embedded in refractory material 5, the top of ajutage 4 is stretched out refractory material 5 and is stretched in combustion-supporting chamber 12, the lower end of ajutage 4 is stretched in lime-ash box, ajutage 4 is connected with branched pipe 42 in its lower end, branched pipe 42 stretches out body of heater 1 outer surface, body of heater 1 is provided with the air door 42 that can control branched pipe 42 mouth of pipe open degree.In the present embodiment, ajutage 4 is more than two or two, and it is evenly periphery in body of heater 1.In the utility model, ajutage also establishes boxboard spaced with body of heater outer surface by ring around body of heater, boxboard and body of heater form air-supply passage, the air supply port arranging air outlet below boxboard and air outlet can be closed, air-supply passage top is communicated with combustion-supporting chamber and realizes blowing.

The corresponding combustion chamber 11 of body of heater 1 sidepiece is provided with charcoal-adding opening, charcoal-adding opening is connected with tilt upward setting add charcoal pipe 2, the length adding charcoal pipe 2 is more than or equal to 20cm, adds the top of charcoal pipe 2 generally lower than the top of body of heater, the top adding charcoal pipe 2 be provided with can be closed add charcoal lid 21.The cleaning door that body of heater 1 sidepiece offers clean-up port and clean-up port can be closed, the height of height higher than fire grate 7 of clean-up port, the height lower than charcoal-adding opening, generally get final product (this is not shown) higher than fire grate 10cm.Firewood charcoal adds complete, can open cleaning door, to be evenly arranged in by firewood charcoal and to heat around cylinder 3, will heat a bottom end closure with instruments such as hooks, ensures that in body of heater 1, firewood charcoal is evenly distributed, and then guarantee firewood charcoal combustion even.

As shown in Figure 2, in the utility model, body of heater 1 also can be oppositely arranged two charcoal-adding openings, the uniformity of firewood charcoal distribution in body of heater 1 can be improved like this, ensure that the firewood charcoal burning degree heated around cylinder 3 is identical.

The utility model is according to air fluid mechanics principle, only the combustible in stove need be lighted, firewood charcoal in stove is under combustion chamber 11 airtight anoxia condition, produce burning mixture after there is carbonization and oxidation reaction, burning mixture mainly contains: carbon monoxide, hydrogen, methane, ethane, propane etc.Use the packed height of hourly pay charcoal higher than the bottom heating cylinder 3, firewood charcoal will heat cylinder 3 around thus make to heat cylinder 3 bottom end closure, the burning mixture that this hourly pay charcoal produces only can enter from the air cleft 31 excessively heating cylinder 3 epimere and heat cylinder 3, the stove fire that firewood charcoal produces then enters from heating cylinder 3 bottom, stove fire and burning mixture are heating cylinder 3 upper-end contact, and enter rapidly in combustion-supporting chamber 12, owing to sending into air by ajutage 4 in combustion-supporting chamber 12, stove fire, burning mixture contact with air in combustion-supporting chamber 12, and then burn completely.During normal use, shoot door 18 is opened, partial air enters in combustion chamber 11 bottom combustion chamber 11, partial air directly enters combustion-supporting chamber 12 from ajutage 4, according to service condition, suitably can increase or reduce shoot door 18 and size opened by air door 42, and then control combustion case in combustion chamber 11 of firewood charcoal and the combustion case of flue gas in combustion-supporting chamber 12, when banking up a fire, shoot door 18 is closed, ajutage 4 is from air intake in its branched pipe 42, by controlling the unlatching size of air door 42, control oxygen-supplying amount when banking up a fire, and then control fire-sealing time, when ensureing that next time uses, stove fire does not go out.

In sum, the utility model has the following advantages:

The utility model improves the structure of pay rise charcoal, namely adds charcoal pipe 2 and arranges in body of heater sides tapered, and make firewood charcoal in body of heater 1, react more abundant, burning is more thorough, and gas production is larger.During normal use, do not need the utensil of cooking be positioned at above body of heater to take away to add charcoal again, easy to use.The utility model can use any combustible material, as various agricultural crop straw and leftover bits and pieces, timber and leftover bits and pieces thereof, various shell, woodland fallen leaves, edible fungi leftovers, dry oxen and horses excrement, coal etc., need not pulverize, a reinforced incendivity 2 ~ 6 hours.The utility model, when normally using, also fuel such as the fuel woods of humidity adding oven dry in charcoal pipe 2, can be convenient to subsequent combustion;

Arrange in body of heater 1 and heat cylinder 3, the epimere heating cylinder 3 arranged gas passage, made flue gas enter combustion-supporting chamber 12 combustion; Arrange ajutage 4, allow air enter fire door bottom body of heater 1 and help oxygen to burn, calorific value is higher in combustion, and efficiency is better, smokeless, tasteless, without at the bottom of tar, no blacking pan, through on-site verification, burning a thermos flask boiling water only needs 3 minutes, also faster than liquefied gas.Because fuel is dry, fire box temperature is high, helps oxygen to burn in addition, and fuel can burn completely, improves the thermal efficiency, saves fuel, protection of the environment.The utility model adopts and heats cylinder 3 efficiently, make the combustion gas containing a large amount of steam, tar, dust help oxygen Thorough combustion when high temperature, the faggot gasification oven that existing market is promoted does not have heat collector, and its fire box temperature is low, be unfavorable for burning, have noise by fan combustion-supportincombustion and waste energy;

General old-fashioned gasification furnace product in use, lower-layer fuel easily forms cavity (making somebody a mere figurehead) when burning, cook meal and need blanking 3 ~ 5 times (blanking, smash material), the utility model firewood charcoal burns down just to be needed to feed in raw material, not easily form cavity, do not need frequent blanking, substantially increase service efficiency and environmental sanitation;

Flue dust larger contaminated environment during the operation of firewood gasification furnace old product, the utility model first feeds in raw material to light a fire afterwards, and the environmental problem that when fundamentally solving reinforced, Dark smoke billows gets final product aerogenesis in 1 ~ 2 minute, banks up a fire and can reach 36 hours.

The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model.Previous embodiment has been described in detail the utility model, and for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.In every case, within inventive concept scope of the present utility model, any amendment made, equivalent replacement, improvement etc., be all included within protection domain of the present utility model.

Claims (10)

1. a firewood charcoal combustion furnace, comprise body of heater (1), combustion chamber (11) is provided with in body of heater (1), the corresponding combustion chamber (11) of body of heater (1) sidepiece is provided with charcoal-adding opening, body of heater (1) corresponding combustion chamber (11) top is provided with fire door, described body of heater (1) inherent combustion chamber (11) bottom is provided with fire grate (7), be provided with below body of heater (1) inherent fire grate can with the lime-ash box of ft connection, it is characterized in that described charcoal-adding opening is at least one, described charcoal-adding opening is connected with tilt upward setting add charcoal pipe (2), the described top adding charcoal pipe (2) be provided with can be closed add charcoal lid, the inner chamber of described body of heater (1) is separated into the combustion-supporting chamber (12) on top and the combustion chamber (11) of bottom, the second fire door (13) combustion-supporting chamber (12) be communicated with combustion chamber (11) is provided with in described body of heater (1), corresponding second fire door (13) in described body of heater (1) top offers the first fire door, and described first fire door is provided with the bell (14) that can be closed, described body of heater (1) inherent second fire door (13) place be fixed with down stretch setting heat cylinder (3), the described cylinder (3) that heats offers multiple gas passage excessively on the barrel held near the second fire door (13), the described bottom heating cylinder (3) is positioned at below charcoal-adding opening, is provided with the ajutage (4) that its outer end can be communicated with outside atmosphere, inner end is communicated with combustion-supporting chamber (12) in described body of heater (1).

2. firewood charcoal combustion furnace according to claim 1, the length ratio of the length and combustion chamber that heat cylinder described in it is characterized in that is 4/1 to five/3rds.

3. firewood charcoal combustion furnace according to claim 1, the diameter ratio of the diameter and combustion chamber that heat cylinder described in it is characterized in that is 3/1 to four/10ths.

4. firewood charcoal combustion furnace according to claim 1, it is characterized in that described body of heater (1) is provided with two charcoal-adding openings, two charcoal-adding openings are oppositely arranged.

5. firewood charcoal combustion furnace according to claim 1, is characterized in that the cleaning door that described body of heater (1) sidepiece offers clean-up port and clean-up port can be closed, the height of described clean-up port higher than fire grate height and lower than the height of charcoal-adding opening.

6. firewood charcoal combustion furnace according to any one of claim 1 to 5, it is characterized in that described body of heater (1) inner surface is equipped with refractory material (5), refractory material (5) surrounds combustion chamber (11), described ajutage (4) is vertically arranged, it is embedded in refractory material (5), the top of described ajutage (4) is stretched out refractory material (5) and is stretched in combustion-supporting chamber (12), and the lower end of described ajutage (4) is stretched in lime-ash box.

7. firewood charcoal combustion furnace according to claim 6, it is characterized in that the lower end of described ajutage (4) is connected with branched pipe (41), described branched pipe (41) stretches out body of heater (1) outer surface, described body of heater (1) is provided with the air door (42) that can control branched pipe (41) mouth of pipe open degree.

8. firewood charcoal combustion furnace according to claim 6, it is characterized in that described ajutage (4) is more than two, it is evenly periphery in body of heater (1).

9. firewood charcoal combustion furnace according to claim 6, heats cylinder (3) and is made up of iron casting or high temperature resistant synthetic metals tubing or non-metallic refractory described in it is characterized in that.

10. firewood charcoal combustion furnace according to claim 6, it is characterized in that described gas passage is excessively for being opened in the air cleft (31) excessively heated on cylinder (3), cross air cleft (31) to be horizontally disposed with, cross air cleft (31) for many to be crisscross arranged up and down and it is evenly periphery and is heating on cylinder (3), the described width crossing air cleft (31) is 1-3mm.