CN201003044Y - Machine-made stick self-combustion type carbonizing kiln - Google Patents

Abstract

The utility model relates to a mechanical stick self-combustion carbonization oven. The front of the oven has an oven hole(3) and a matched oven door(8). The bottom of the oven is provided with a vehicle track(2), which is internally provided with a car positioning ridge(7). The inner wall of the oven wall(1) is provided with a smoke outlet(5), which is connected with a chimney(6). The oven roof takes an arched roof(4). The oven wall(1) is a sandwich wall with an insulation layer is arranged between two layers. The utility model is used for firing mechanical carbon and has the advantages of utilizing waste as material, basically no fuel needed, good quality and uniformity of carbon and little investment for building oven.

Description

The excellent self-burning type carbonizing kiln of mechanism

Technical field

It is the carbonizing kiln of raw material spontaneous combustion heat supply that the utility model relates to the machine-processed rod of a kind of usefulness.

Background technology

Many places, China forest zone are in the mountain region, have inconvenient traffic, circulation of commodities is owed freely, often adopts the earth kiln of gathering materials on the spot, getting on the job with indigenous methods to fire charcoal, needs to make raw material with a large amount of firewood forests, the bavin that also needs weight to surpass several times is made fuel, the amount of loss forest is big, and the charcoal of output is few, and quality is uneven, the production cycle of every kiln charcoal reaches more than 20 day, and efficient is low.Still preferably the reduced investment of kiln, operative technique are easy in the earth kiln charcoal processing, are easy to promote in the mountain area, forest land.

The cry day of global environmental protection is high, and taboo is cut down policy and spreaded all over various countries, makes raw material with firewood forests, and fuel wood is made fuel and restricted, and the charcoal processing industry in forest zone, mountain region need be split path in addition.

CN1710021A discloses Kaibing Artificial Environment Protection Charcoal Factory, Zhijiang City's " self-ignition carbonizing kiln " patented technology, be similar to cubical kiln body for a kind of, wind adjusting hole is arranged on the wicket, flue is arranged at the bottom, flue one end links to each other with wind adjusting hole, the other end links to each other with chimney, treat that carbide is placed on the flue top, the kiln top is smooth, and the structure of this kiln lacks the passage of reasonably an amount of heat exchange, wind adjusting hole, flue, communicating continuously of chimney, unfavorable to holding in the combustion-supporting and heat of air in kiln, influence the efficient of spontaneous combustion, be difficult to finish the refining process of charing, the quality of charcoal is affected.Do not adopt and adorn excellent charcoal dolly, the machine-processed rod of packing into is extremely inconvenient, need treat that the kiln temperature is cooled to normal temperature and take out charcoal, needs 2-3 days, needs refuel preheating again when making charcoal once more again, during energy charge.

The utility model content

The purpose of this utility model is the above-mentioned deficiency at prior art, designs a kind ofly to be raw material, machine-processed excellent self-burning type carbonizing kiln refuel, that production efficiency is higher, the charcoal quality is even and good substantially in addition with wood chip, pericarp etc.

The purpose of this utility model can realize by following measure:

Before this machine-processed excellent self-burning type carbonizing kiln, kiln body is kilneye and supporting wicket, and track is arranged at the bottom of the kiln, and there is car location bank two track the inners, and the kiln inner wall has venthole, and venthole connects chimney, and the kiln top is the arch top, and the kiln wall is the sandwich wall of band thermal insulation layer between the bilayer; The ventilating pit that adjustable solar term stream size is arranged around wicket or the wicket and between the kilneye, and the ventilating pit branch is in three zones, upper, middle and lower.

The utility model is made raw material without firewood forests, and refuel in addition not helps wood protection and alleviates the scarcity of raw material problem substantially, and production efficiency is higher, and the quality of charcoal is good, and quality is even, and the reduced investment of putting up a kiln is easy to promote in the forest zone, mountain region.

Description of drawings

Fig. 1 is carbonizing kiln structural representation of the present utility model (facing) figure.

Fig. 2 is the interior right-side wall left view of the kiln of Fig. 1.

Fig. 3 is kiln inner bottom part structural representation (overlooking) figure of Fig. 1.

Fig. 4 is wicket structural representation (facing) figure of Fig. 1.

Embodiment

The utility model is described in further detail below in conjunction with embodiment and with reference to accompanying drawing: get the raw materials ready earlier before firing, in getting the raw materials ready, bamboo bits, wood chip can be sawdust, but the also crumb pulverized of wood shavings, the dry fruit pericarp can be gathered materials on the spot, in the Zhejiang, the pericarp of northern available Semen Caryae Cathayensis, Chinese torreya, wood chip can be with pine, cedar sawdust.The mechanism rod of extruding is the hollow square rod of square-outside and round-inside, and outside wide and high about 7cm is about 40cm.The circular hollow of core, the about 3cm of internal diameter, external square is beneficial to builds height, and hollow is convenient to homogeneous heating and airiness, and is not tight to the dimensional requirement of mechanism rod.The bamboo wood chip accounts for the 20-80 weight part, and the proportioning that pericarp accounts for the 20-30 weight part also still has flexible leeway, but after the machine-processed excellent drying, water ratio is suitable low, and it is smooth closely to help machine-processed rod and finished product thereof.

With the charcoal processing of this kiln, core process is into the kiln charing, notices at any time that by the thermocouple in the kiln kiln temperature changes, and in conjunction with observation the chimney smokes situation, controls the air output size in good time, in time opens and closes production well and venthole.When enabling new kiln, roasted one day with firewood earlier, the intensity of a fire is suitable little, slowly heat up, after 100 ℃, treat that the kiln wall is dried, open slightly cooling of wicket, just can push kiln to the dolly that installs the mechanism rod along track 3, locating bank 7 to touching ends, this place is the central position in the kiln just, and dolly is 8-15cm apart from left and right sides wall and rear wall with the Qianmen, build in the car vertex of mechanism rod at the bottom of the distance on arch top, the railway carriage and the distance on ground be 15-25cm, dolly and interior machine-processed rod thereof are in central position in the kiln, and it is even to help charing.The mechanism rod pile on dolly is that horizontal direction parallel is close to layer by layer and arranges, but also orthogonal adjacent the arranging of horizontal direction interlayer require to arrange in order, certain tightness is arranged, this can have influence on the yield and the quality of charcoal, should take seriously.Treat that chimney begins to smolder, close wicket 8, except that keeping bottom air vent, seal all the other each ventilating pits, with the kiln temperature rise, machine-processed excellent moisture evaporation is discharged altogether with cigarette, and then hemicellulose decomposes, and emits heat, and this is the pre-charing stage; Along with proceeding of carbonization process, Mierocrystalline cellulose and xylogen decompose, heat release once more, kiln temperature rise to 300 ℃, because of being subjected to the air inlet quantitative limitation, charing slows down, quantity of heat production and heat dissipation capacity remain basically stable, and the kiln temperature remains essentially in 300 ℃, about 2-3 days, observe chimney 6 smoke evacuations by white cigarette flavescence cigarette paleness cigarette again, this rear enclosed chimney 6 begins to enter the charing stage, opens ventilating pit 9 gradually, every ventilating pit of increase in 6 hours, increase the air-flow flux, promote charing, produce a large amount of inflammable gass this moment, mix mutually with the air of going into kiln and fire, kiln temperature rise to 500 ℃, the inflammable gas of wicket mouth contact the back spontaneous combustion with outside air, enter refining stage, the kiln temperature further is increased to 650-700 ℃, the negative-pressure sucking that burning produces makes the charcoal dehydrogenation, deoxidation, organism reduces fast, and excellent charcoal body shrinks, fixed carbon content rises, the charcoal smoke-free and tasteless after the refining.Open wicket after the refining, the kiln discharge of pulling a cart, the dolly closing cap made from iron sheet covers dolly and interior charcoal thereof immediately, carries out secluding air cooling 1-2 days, test package again, product goes out fortune and gets final product.

The machine-made carbon calorific value of this klining system reaches 30000-35000KJ/Kg, fixed carbon content 88%-95%, and fugitive constituent 3%-7%, three indexs significantly are better than the earth kiln charcoal.When firing,,, all use excellent self the heat production heat supply in carbonization process of mechanism as long as the continuous charcoal processing of heating kiln does not need other refuel except that new kiln is enabled barbecue and cold kiln is first with needing the fuel heating.

This carbonizing kiln can be made prefabricated component with steel frame and flame-proof thermal insulation material and build, and seals into the kiln body again in the junction, also can be built into refractory materials, lagging material, material of construction on the spot.Wicket 8 should adopt steelframe and flame-proof thermal insulation material to make the prefabricated component form, can be the revolving door of one-sided axle, can be moving door.Ventilating pit 9 can be opened in the upper, middle and lower of door portion, and with iron plate drawing and pulling type or masonry blocking formula control air input, but also not perforate of wicket is controlled air input but sentence heap brick mud in the wicket 8 and the slit of kilneye 3 with the mode of abandoning brick mud.

Dimension scale dark in the kiln inner width of this carbonizing kiln, the kiln, kiln interior high (removing vault) is 1.32: 1.71: 1.36, and the kiln volume is 2.5-5.0m ³, sagitta is 0.3-0.5m, and chimney height is for being 0.8-1.2m, and the stack induction area is 0.5m ², the dimension scale of supporting dolly length is 1.36: 1: 1.2, the excellent 1.2-1.8t of per car installation system produces charcoal 480-720kg/ kiln.The carbonizing kiln of co-content, different ventilation opening area, different sagitta should not have corresponding chimney height to cooperate, and just can reach the charing effect of reason phase, and the linear relationship of this kiln volume and chimney height is:

Y=1.8585+h ₁+ h ₂-S (1.24x ³-14.80x ²+ 49.85x), wherein S is ventilation opening maximum area (m ²), h ₁For high in the kiln (removing vault) (m), h ₂Be sagitta (m) that X is kiln body bulk (m ³), y is an overhead height (m) of chimney.

Claims (2)

1, the excellent self-burning type carbonizing kiln of a kind of mechanism, before the kiln body is kilneye (3) and supporting wicket (8), it is characterized in that at the bottom of the kiln track (2) being arranged, article two, there is car location bank (7) track the inner, the kiln inner wall has venthole (5), venthole connects cigarette fontanel (6), and the kiln top is arch top (4), and kiln wall (1) is the sandwich wall of band thermal insulation layer between the bilayer.

2, the excellent self-burning type carbonizing kiln of mechanism as claimed in claim 1 it is characterized in that said wicket (8) upward or around the wicket and between the kilneye (3) has adjustable solar term to flow big or small ventilating pit (9), and ventilating pit (9) branch is in three zones, upper, middle and lower.

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