CN200985319Y

CN200985319Y - High-efficiency environmental protection energy-saving carbonizing furnace

Info

Publication number: CN200985319Y
Application number: CN 200620032626
Authority: CN
Inventors: 李海平
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-09-25
Filing date: 2006-09-25
Publication date: 2007-12-05
Anticipated expiration: 2016-09-25

Abstract

The utility model relates to an efficient energy-saving retort which is environment friendly. The utility model comprises an enclosure, a thermal insulation layer at the internal surface of external enclosure, a horizontal or vertical carbonization chamber and an airtight door of carbonization chamber. A space with certain gap is arranged between the circumference of carbonization chamber and the thermal insulation layer and between the roof plate of carbonization chamber and the internal surface of external enclosure. A plurality of chimneys are positioned at the roof of external enclosure at a set rule; one or a plurality of combustion chambers are positioned at the external surface of the bottom plate of carbonization chamber and the lower section of external enclosure; an ash chamber is arranged below the furnace grate of combustion chamber; a gas tank, arranged at the external surface of the roof plate of external enclosure of retort, is equipped with a pipeline to be communicated with the carbonization chamber; a gas outlet pipe is arranged at the upper section of the gas tank; at least one chimney from the combustion chamber penetrates the carbonization chamber vertically or direct penetrates the external enclosure to drain the smoke out of the enclosure. The utility model is characterized in a short carbonization time of one day compared with a level more than four days made by a conventional charcoal machine, an increase at the carbonization efficiency by three to five times, a high rate of finished product more than 90 per cent compared with a level less than 30 per cent made by a conventional charcoal machine, a carbon yield rate more than 43.7 per cent. At the same time, the utility model can recover a by-product of coal tar, suitable for a scale production at the urban and rural zones.

Description

Highly effective environment protection energy-saving retort

One, technical field:

The utility model relates to a kind of charring furnace, particularly relates to a kind of highly effective environment protection energy-saving retort.

Two, background technology:

Produce a large amount of stalks in the agriculture production, a part is as cooking fuel, and the utilization ratio of heat energy is very low, and another part burns in the ground or rots, and has not only wasted resource but also contaminate environment; The geographic resident of forestry does not burn faggot inferior and burns firewood, and timber is not rationally used, and faggot has also been wasted; In urban industry production and life, also produce a large amount of organic waste materials, need certain manpower, the financial resources of cost to be used as refuse treatment.Therefore how these organic waste materials being converted into charing fuel just becomes a new problem.Approximate with traditional charcoal kiln, existing production mechanism charcoal burner and the external vertical cylindrical type heater that uses adopt the method intensification charing of combustion material self, because furnace temperature is inhomogeneous, of poor quality; Also some producer uses the coal gas heat temperature raising, though quality is guaranteed equipment manufacturing cost height, technology controlling and process difficulty.Domestic machine-made charcoal enterprise, common existing problems are exactly the perfect charcoal machine equipment of none, the thing contaminate environment that conventional charcoal machine ubiquity carbonization time is long, finished product is low, labour intensity is big, energy consumption is high, main.The patent No. is that 91229539.2 " energy-efficient charing stove " adopted the oxygenation complex art of igniting, steam cooling cooling technology and solidify and reclaim the wood tar oil technical measures, still exist furnace temperature inhomogeneous, the not too high and not good enough defective of steam cooling effect of efficient can not solve utilizing again again and pollution problem of combustible gas simultaneously.

Three, utility model content:

The utility model is to overcome the deficiency that prior art exists, and solves the problem that traditional charring furnace furnace temperature is inhomogeneous and the generation combustible gas is wasted, and designs and produce a kind of highly effective environment protection energy-saving retort.

Technical scheme:

A kind of highly effective environment protection energy-saving retort, contain the charring furnace body skin, the heat insulating layer of being close to body skin, horizontal or vertical chamber, the coking chamber hermatic door, be provided with the certain distance space at thermofin all around and between coking chamber top board and the body skin shell top internal surface in coking chamber, body skin shell top is provided with many chimneys that distribute according to certain rules, lower housing portion and coking chamber plate inner surface are provided with one or more combustion chambers outside, the combustion chamber bottom surface is equipped with fire grate, at charring furnace sheath top plate outside surface gas-holder is housed, described gas-holder has pipeline to be communicated with coking chamber, gas-holder top is provided with escape pipe, has at least a chimney vertically to run through coking chamber from the combustion chamber or passes body skin and directly discharge fume.

Described highly effective environment protection energy-saving retort is drawn a gas exhaust duct at least from gas-holder top and is inserted the combustion chamber, and pipe is provided with by-pass valve control, and pipe end is equipped with burner.

Described highly effective environment protection energy-saving retort is established coking chamber switch door and combustion chamber switch door on charring furnace body skin outside surface, coking chamber switch door is a hermatic door, and combustion chamber switch door is positioned at charring furnace body skin outside surface lower end.

Described highly effective environment protection energy-saving retort is provided with coal tar vent pipe and related valve on gas-holder.

Described highly effective environment protection energy-saving retort is provided with blast inlet on each charring furnace combustion chamber soleplate, the fire grate baffle plate is installed on the blast inlet wall.

Described highly effective environment protection energy-saving retort, charring furnace body skin are that steel and refractory brick are close to mutually and are made, and the coking chamber sidewall is that good steel of thermal conductivity or heatproof metal alloy compositions are made.

Described highly effective environment protection energy-saving retort, horizontal or vertical retort body skin is the rectangular parallelepiped housing that is complementary with the combustion chamber, or is the square housing, or is positive five, positive six prismatic housings, or is the right cylinder housing, or is oval cylinder housing.

The beneficial effects of the utility model:

1, highly effective environment protection energy-saving retort of the present utility model, it is short to have a carbonization time, than the conventional charcoal machine shorten to one day more than four days (about 24 hours), charing efficient improves 3-5 doubly.

2, highly effective environment protection energy-saving retort of the present utility model, charing yield rate height rises to below 30% more than 99% than traditional mechanism charcoal machine, and char yield rate is more than 43.7%, can reclaim byproduct coal tar simultaneously.

3, highly effective environment protection energy-saving retort of the present utility model, power consumption is saved greatly, and power is 0.001KW generally speaking; Simultaneously owing to be provided with the chimney of a plurality of heat conduction in this charring furnace combustion chamber,, also can quicken cooling during cooling by method to each chimney water filling so be heating or aspect naturally cooling, all produce effect significantly.

4, highly effective environment protection energy-saving retort of the present utility model can utilize the inflammable mixture that produces in the carbonization process as heating energy source again again, avoids the wasting of resources, protects environment simultaneously, reaches environmental requirement fully.

5, highly effective environment protection energy-saving retort of the present utility model is because environmentally safe is convenient to city and rural area mass production.

Four, description of drawings:

Fig. 1: the highly effective environment protection energy-saving retort plan structure synoptic diagram of horizontal novel;

The A-A cross-sectional view of Fig. 2: Fig. 1;

Fig. 3: the highly effective environment protection energy-saving retort side structure synoptic diagram of horizontal novel;

The another kind of cross-sectional view of Fig. 4: Fig. 1;

Another cross-sectional view of Fig. 5: Fig. 1;

The side structure synoptic diagram of Fig. 6: Fig. 5;

Fig. 7: the highly effective environment protection energy-saving retort plan structure synoptic diagram of novel vertical type;

The B-B cross-sectional view of Fig. 8: Fig. 4;

Fig. 9: the highly effective environment protection energy-saving retort side structure synoptic diagram of novel vertical type;

The another kind of cross-sectional view of Figure 10: Fig. 7.

Five, specific embodiments:

Embodiment one: referring to Fig. 1, Fig. 2, Fig. 3, horizontal retort body skin 1 sidewall outside surface is that steel are made, internal surface heat insulating layer 2 is made for refractory brick, the top walls panels internal surface is that steel are made, outside surface is that the refractory brick of heat insulating is made, charring furnace coking chamber 5 is made for the thermal conductivity steel, coking chamber 5 is installed in the combustion chamber 4 by the supporting of its lower end, be provided with the certain distance space between each sidewall 3 and coking chamber 5 top boards and the body skin 1 shell top internal surface 2 around thermofin 2 and the coking chamber 5.

Be provided with two heat conduction chimneys 6 in charring furnace body skin 1, these heat conduction chimney 6 one ends are connected with charring furnace combustion chamber 4, vertically pass combustion chamber 5, and pass the directly smoke evacuation of body skin 1 shell top from the combustion chamber; Be provided with the little chimney 10 that some amount distributes according to certain rules on the charring furnace top, little chimney 10 1 ends are communicated with charring furnace combustion chamber 4, and the other end is communicated with atmosphere; Be provided with two gas-holder 7 in the charring furnace upper end, gas-holder 7 is communicated with coking chamber 5 by vapor pipe 8, on gas-holder 7, be provided with the escape pipe 9 of some amount, escape pipe 9 is connected with 4 bottoms, charring furnace combustion chamber, on each escape pipe 9, be provided with by-pass valve control, escape pipe 9 ends are equipped with burner 13, are provided with coal tar vent pipe 15 and related valve on gas-holder 7.

On charring furnace housing 1 outer side wall, be provided with combustion chamber switch door 12 and coking chamber and close the door 11, combustion chamber switch door 12 and coking chamber switch door 11 are hermatic door, combustion chamber switch door 12 is positioned at charring furnace outer side wall lower end, on the charring furnace bottom surface, be provided with blast inlet, fire grate baffle plate 14 is installed on the blast inlet wall.

When firing charcoal, to need the system barred body of charing to put into coking chamber earlier by coking chamber switch door 11, after putting rationally, sealing coking chamber switch door 11, open combustion chamber switch door 12 then and carry out electric firing, 150 ℃ of moisture content that discharge barred body in the coking chamber 5 of system heat up charring furnace earlier, 1 hour follow-up continuing was warming up to 600 ℃, in carbonization process, coking chamber 5 will produce inflammable mixture and part coal tar, because combustible gas is transported to 4 bottoms, charring furnace combustion chamber by escape pipe 9 and burns away, so need not refuel in charring furnace combustion chamber 4 again, realize spontaneous combustion circulation heating, when heating near 24 hours, can continue to add in charring furnace combustion chamber 4 a little fuel refreshment heating as required, the coal tar of generation is stored by gas-holder 7.Owing to be provided with the chimney of a plurality of heat conduction in this charring furnace combustion chamber 4, so effect is remarkable when naturally cooling, can quicken cooling by method in case of necessity, after the cooling to a certain degree to each chimney water filling, open coking chamber switch door 11, take out the charcoal that bakes.

Embodiment two: referring to Fig. 4, number identically with embodiment one, same meaning does not repeat, and different is: have at least a chimney vertically to run through coking chamber 5 in 4 bottoms from the combustion chamber, and go up many chimneys that distribute by body skin 1 shell top and discharge outside the charring furnace housings 1.

Embodiment three: referring to Fig. 5, Fig. 6, number identical with embodiment one, same meaning, do not repeat, different is: be provided with one or more combustion chambers in body skin 1 bottom and coking chamber 4 plate inner surfaces, on each charring furnace combustion chamber soleplate, be provided with blast inlet, on each blast inlet wall, fire grate baffle plate 14 be installed.

Embodiment four: referring to Fig. 7, Fig. 8, Fig. 9, number identical with embodiment one, same meaning, do not repeat, different is: charring furnace housing 1 is the right cylinder housing that is complementary with coking chamber 5 each sidewalls 3, in charring furnace housing 1, be provided with a heat conduction chimney 6, this heat conduction chimney 6 vertically passes coking chamber 3, one end is connected with charring furnace combustion chamber body 4, the other end stretches out charring furnace housing 1 outside and is communicated with atmosphere, is provided with the coking chamber opening and the corresponding coking chamber switch door 11 that are complementary with the charing furnace wall on charring furnace housing 1 outer side wall.

Embodiment five: referring to Figure 10, number identically with embodiment one, same meaning does not repeat, and different is: have at least a chimney vertically to run through coking chamber 5 in 4 bottoms from the combustion chamber, and go up many chimneys that distribute by body skin 1 shell top and discharge outside the charring furnace housings 1.

Claims

1, a kind of highly effective environment protection energy-saving retort, contain the charring furnace body skin, the heat insulating layer of being close to body skin, horizontal or vertical chamber, the coking chamber hermatic door, be provided with the certain distance space at thermofin all around and between coking chamber top board and the body skin shell top internal surface in coking chamber, body skin shell top is provided with many chimneys that distribute according to certain rules, lower housing portion and coking chamber plate inner surface are provided with one or more combustion chambers outside, the combustion chamber bottom surface is equipped with fire grate, at charring furnace sheath top plate outside surface gas-holder is housed, described gas-holder has pipeline to be communicated with coking chamber, gas-holder top is provided with escape pipe, it is characterized in that: have at least a chimney vertically to run through coking chamber from the combustion chamber or pass body skin and directly discharge fume.

2, highly effective environment protection energy-saving retort according to claim 1 is characterized in that: draw a gas exhaust duct from gas-holder top at least and insert the combustion chamber, pipe is provided with by-pass valve control, and pipe end is equipped with burner.

3, highly effective environment protection energy-saving retort according to claim 1, it is characterized in that: on charring furnace body skin outside surface, establish coking chamber switch door and combustion chamber switch door, coking chamber switch door is a hermatic door, and combustion chamber switch door is positioned at charring furnace body skin outside surface lower end.

4, highly effective environment protection energy-saving retort according to claim 1 is characterized in that: be provided with coal tar vent pipe and related valve on gas-holder.

5, highly effective environment protection energy-saving retort according to claim 1 is characterized in that: be provided with blast inlet on each charring furnace combustion chamber soleplate, the fire grate baffle plate is installed on the blast inlet wall.

6, highly effective environment protection energy-saving retort according to claim 1 is characterized in that: the charring furnace body skin is that steel and refractory brick are close to mutually and are made, and the coking chamber sidewall is that good steel of thermal conductivity or heatproof metal alloy compositions are made.

7, highly effective environment protection energy-saving retort according to claim 1, it is characterized in that: horizontal or vertical retort body skin is the rectangular parallelepiped housing that is complementary with the combustion chamber, or is the square housing, or is positive five, positive six prismatic housings, or be the right cylinder housing, or be oval cylinder housing.