CN103242868A - Grinding-disc pyrolysis reactor - Google Patents
Grinding-disc pyrolysis reactor Download PDFInfo
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- CN103242868A CN103242868A CN2013101437707A CN201310143770A CN103242868A CN 103242868 A CN103242868 A CN 103242868A CN 2013101437707 A CN2013101437707 A CN 2013101437707A CN 201310143770 A CN201310143770 A CN 201310143770A CN 103242868 A CN103242868 A CN 103242868A
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Abstract
The invention provides a grinding-disc pyrolysis reactor. A main body of the grinding-disc pyrolysis reactor consists of an upper furnace plate, a distributing plate, dust boards and scraping plates which are rotatable around a feeding pipe, and a lower furnace plate and a furnace wall which are fixed, wherein a the feeding pipe is arranged in the center of the furnace plate, and the distributing plate is arranged at the bottom of the furnace plate; a circle of dust boards and a pair or a plurality of pairs of scraping plates are arranged at the periphery of the distributing plate; a water seal or a sand seal is arranged between the upper furnace plate and the feeding pipe as well as the upper furnace plate and the furnace wall; the distributing plate is a mosaic grinded surface with a plurality of radial tooth grooves formed in the mosaic grinded surface, and through the rotation of the distributing plate, material distributing, turning and discharging functions can be achieved simultaneously; and the lower furnace plate is a flat thermal storage heating stove. The reactor is simple in structure, reliable in operation, convenient to maintain, large in productive capacity, wide in raw material adaptability, and especially suitable for pyrolysis of low metamorphic coal, oil shales, oil sand, biomasses, junked tires, plastic, garbage and the like.
Description
Technical field
The invention belongs to chemical field, be specifically related to a kind of abrasive disk type macromolecule organic pyrolysis reactor.
Background technology
The characteristics of materials such as low-disintegration coal (brown coal, long-flame coal), resinous shale, oil-sand, biomass, junked tire, rubbish are high volatile, high oil-containing, and this class resource is very abundant in China.At current oil, be becoming tight natural gas supply day, under the waste situation of reproducing of oil, how the valuable oil gas component in this class resource is extracted and is used, to alleviate China's oil, natural gas source is depended on import unduly, the situation of serious threat Chinese energy safety is significant.
Pyrolysis is by the mode of heating, makes material under hot conditions scission reaction take place, and then generates a kind of technology of tar and coal gas, has advantages such as thermo-efficiency height, equipment requirements are simple.In order to make above-mentioned material generation pyrolysis, and as much as possiblely produce oil, the gas product, people have designed the multiple type of furnace, and vertical circular furnace, vertical side's stove and horizontal cylindrical furnace etc. are comparatively typically arranged, type of heating has two kinds of internal heat type and external-heats.
Chinese patent CN101760215A has announced a kind of low-rank coal distribution upgrading system of processing, and its main body is two rotary ovens of arranging up and down, is thermal barrier with hot flue gas.Feed coal places on the flute profile rotary fire grate, and hot flue gas feeds from the fire grate bottom, by the rotating speed of control fire grate, regulates the residence time of feed coal in stove.This system architecture is simple, and the raw coal treatment capacity is big, but owing to adopt the heating of gas carrier internal heat type, cause pyrolysis gas to mix with flue gas, so useless composition is more in the gained coal gas, and calorific value is lower.And the fire grate hole can stop up because of the tar coking gradually, causes the flue gas circulation not smooth.
Summary of the invention
At above-mentioned shortcoming, the purpose of this invention is to provide a kind of novel pyrolysis reactor, this pyrolysis reactor adopts the indirect heating mode, to guarantee that pyrolysis gas quality is pure, calorific value is high; Thermal source is positioned at the material below, and the pyrolysis gas of generation can in time leave the high-temperature zone, and is little to the secondary reaction influence of tar, tar yield height; In the pyrolytic process of material, the temperature field is even, and rate of heat transfer is fast; That this reactor also should possess is simple in structure, the material wide adaptability, be easy to characteristics such as large-scale industrialization production.
Purpose of the present invention is achieved through the following technical solutions:
The invention provides a kind of novel abrasive disk type pyrolysis reactor, main body is made up of upper stone or metal plate for standing on a stove as a precaution against fire, drapery panel, lower stone or metal plate for standing on a stove as a precaution against fire, material scraping plate, dust board and furnace wall, it is characterized in that: upper stone or metal plate for standing on a stove as a precaution against fire, drapery panel, material scraping plate and dust board can be around the center rotations, and lower stone or metal plate for standing on a stove as a precaution against fire and furnace wall maintain static.Center at upper stone or metal plate for standing on a stove as a precaution against fire is provided with feed-pipe.For forming airtight space, between upper stone or metal plate for standing on a stove as a precaution against fire and feed-pipe and furnace wall, be provided with water seal or sand seal.
The bottom of upper stone or metal plate for standing on a stove as a precaution against fire is drapery panel, and upper stone or metal plate for standing on a stove as a precaution against fire can be around the feed-pipe rotation together with drapery panel.The structure of drapery panel is an inserted flour milling, and flour milling is provided with some radial teeth groove, and the width of teeth groove, the degree of depth, shape and concrete decoration form can be according to the differences of pyrolysis material and flexible design.Rely on the centrifugal force of drapery panel rotation generation, finish cloth, stirring, the discharging functions of material.
For material evenly, successfully is laid on the lower stone or metal plate for standing on a stove as a precaution against fire, in the feed-pipe bottom cone-shaped body is set, in order to flowing of material.
The airborne dust that produces during for inhibition pyrolysis and discharging arranges a circle dust board around drapery panel.Be symmetrically arranged with 1 pair or several to material scraping plate simultaneously around the drapery panel, discharge so that material focuses on discharge nozzle.
The function of lower stone or metal plate for standing on a stove as a precaution against fire is the carrying material, provides pyrolysis required energy for material simultaneously.The constitutional features of lower stone or metal plate for standing on a stove as a precaution against fire is: main body is an oblate column recuperative heater, and only the cylinder upper surface is heat-transfer surface, and all the other each faces all are incubated with lagging material.Burner is arranged symmetrically in around the right cylinder, and fuel adopts the heat storage type combustion mode.Be symmetrically arranged with 1 pair or several to discharge nozzle around the lower stone or metal plate for standing on a stove as a precaution against fire.
The constitutional features of furnace wall is: be provided with water seal or sand seal between top and the upper stone or metal plate for standing on a stove as a precaution against fire, be symmetrically arranged with 1 pair or several to pyrolysis gas outlet all around on top.The furnace wall inner side, that the dust board place is set is corresponding with described drapery panel, also is provided with a circle dust board.
As seen from the above technical solution provided by the invention, described lower stone or metal plate for standing on a stove as a precaution against fire entire upper surface is heat-transfer surface, and therefore, heat transfer area is big and temperature is even; Material directly contacts with heat-transfer surface, and material is heated with conduction and convection current dual mode, and can be stirred by drapery panel, so the heat transfer efficiency height, and temperature rise rate is fast, is conducive to reduce pyrolysis time; Combustion product gases and pyrolysis air bound are exhausted, have guaranteed the pure of pyrolysis gas, have reduced the load of subsequent disposal unit simultaneously; Thermal source is positioned at the material below, and the pyrolysis oil gas of generation rises immediately, and the secondary reaction of tar is few; Lower stone or metal plate for standing on a stove as a precaution against fire is except tool adds the function of thermal material, or the supporting mechanism of material, therefore, the granularity of material is not had the lower limit requirement, especially is fit to the pyrolysis of low-disintegration coal, resinous shale, oil-sand, biomass, junked tire, plastics, rubbish etc.; The drapery panel of upper stone or metal plate for standing on a stove as a precaution against fire bottom is an inserted flour milling, by its rotation, can realize the function of cloth, stirring and discharging simultaneously; The movement locus of material in reactor is the helical type, and the reactor radius is little, but material from be fed to discharging the path of process very big, be conducive to the abundant pyrolysis of material; Pyrolysis product is derived along the flour milling different directions, that is: pyrolysis gas upwards flows along the flour milling vertical direction, when semicoke then falls along the flour milling horizontal motion and at the lower stone or metal plate for standing on a stove as a precaution against fire edge, its airborne dust can be subjected to the obstruct of dust board, therefore, dust content in the gained pyrolysis gas is low, and the blocked possibility of pyrolysis gas outlet reduces greatly, and has guaranteed that dust content is in lower level in the tar; The pyrolysis time of material is determined by the rotating speed of upper stone or metal plate for standing on a stove as a precaution against fire, and is easy to adjust, accurate; The upper furnace space is little, has guaranteed the instant derivation of pyrolysis gas, simultaneously, has reduced the possibility of tar secondary reaction, tar yield height; This structure of reactor is simple, reliable, easy to maintenance, throughput is big, is easy to industrialization.
Description of drawings
Figure is the structural representation of a kind of abrasive disk type pyrolysis reactor of the present invention
Wherein: the 1-feed-pipe; The 2-upper stone or metal plate for standing on a stove as a precaution against fire; The 3-drapery panel; The 4-cone-shaped body; The 5-lower stone or metal plate for standing on a stove as a precaution against fire; 6,7-water seal or sand seal; The 8-pyrolysis gas outlet; 9,10-dust board; The 11-material scraping plate; The 12-discharge nozzle; The 13-furnace wall.
Embodiment
A kind of abrasive disk type pyrolysis reactor of the present invention, its preferable embodiment is:
As shown in the figure, a kind of abrasive disk type pyrolysis reactor of the present invention, main body comprises: upper stone or metal plate for standing on a stove as a precaution against fire 2, drapery panel 3, lower stone or metal plate for standing on a stove as a precaution against fire 5 and furnace wall 13.
The constitutional features of described upper stone or metal plate for standing on a stove as a precaution against fire 2 is: its center is provided with feed-pipe 1, and the bottom is drapery panel 3, and upper stone or metal plate for standing on a stove as a precaution against fire 2 can be together with drapery panel 3 around feed-pipe 1 rotation.For forming airtight space, between upper stone or metal plate for standing on a stove as a precaution against fire 2 and feed-pipe 1, be provided with water seal 6, between upper stone or metal plate for standing on a stove as a precaution against fire 2 and furnace wall 13, be provided with water seal 7, described water seal 6 and 7 also can be adopted sand seal.
Described feed-pipe 1 evenly, successfully is laid on the lower stone or metal plate for standing on a stove as a precaution against fire 5 for making material for uprightly cylindric, and cone-shaped body 4 is set, in order to flowing of material.
Be provided with a circle dust board 10 around the described drapery panel 3, be symmetrically arranged with 1 pair or several to material scraping plate 11 simultaneously around the described drapery panel 3.The agent structure of described drapery panel 3 is an inserted flour milling, and flour milling is provided with some radial teeth groove, and the width of teeth groove, the degree of depth, shape and arrangement mode can be according to the differences for the treatment of material pyrolysis characteristics and flexible design.
The effect of described material scraping plate 11 is that the material that will fall from lower stone or metal plate for standing on a stove as a precaution against fire 5 edges is concentrated to discharge nozzle 12 discharges.
The constitutional features of described lower stone or metal plate for standing on a stove as a precaution against fire 5 is: its main body is an oblate column recuperative heater.Only the cylinder upper surface is heat-transfer surface, and all the other each faces all are incubated with lagging material.Burner is arranged symmetrically in around the right cylinder, and fuel adopts the heat storage type combustion mode.Be symmetrically arranged with 1 pair or several to discharge nozzle 12 around the described lower stone or metal plate for standing on a stove as a precaution against fire 5.
The constitutional features of described furnace wall 13 is: be provided with water seal between top and the upper stone or metal plate for standing on a stove as a precaution against fire 2, be symmetrically arranged with 1 pair or several to pyrolysis gas outlet 8 all around on top.Described furnace wall 13 inner side, corresponding with dust board 10 places that described drapery panel 3 arranges, also be provided with a circle dust board 9.
Described upper stone or metal plate for standing on a stove as a precaution against fire 2, drapery panel 3, dust board 10 and material scraping plate 11 can be together around feed-pipe 1 rotations, and lower stone or metal plate for standing on a stove as a precaution against fire 5, dust board 9 and furnace wall 13 maintain static.Furnace cavity is made of upper stone or metal plate for standing on a stove as a precaution against fire 2, lower stone or metal plate for standing on a stove as a precaution against fire 5 and furnace wall 13.
Device of the present invention moves as follows: pretreated material enters from feed-pipe 1, and is deposited in cone-shaped body 4 places gradually.Start driving mechanism, upper stone or metal plate for standing on a stove as a precaution against fire 2 is rotated, then drapery panel 3, dust board 10 together rotate with material scraping plate 11.Because drapery panel 3 is radial flour milling, therefore, along with the rotation of drapery panel 3, material evenly is laid on the lower stone or metal plate for standing on a stove as a precaution against fire 5 under action of centrifugal force after cone-shaped body 4 shuntings.Material from the central motion of lower stone or metal plate for standing on a stove as a precaution against fire 5 to the process at stone or metal plate for standing a stove on as a precaution against fire edge, be subjected to the heat effect of lower stone or metal plate for standing on a stove as a precaution against fire 5 upper surfaces, temperature raises gradually and pyrolysis takes place.By the rotation of drapery panel 3, realized the function of cloth, stirring and discharging simultaneously.Stirring of material is conducive to improve the material temperature rise rate, reduces pyrolysis time.The gaseous product that pyrolysis produces upwards flows rapidly, through drapery panel 3, is flowed out by pyrolysis gas outlet 8, enter cooling unit, so just avoid the contacting of lower stone or metal plate for standing on a stove as a precaution against fire 5 of pyrolysis gas and high temperature, reduced the probability that secondary reaction takes place for it, fundamentally improved the productive rate of tar.For improving the derivation speed of pyrolysis gas, can a plurality of pyrolysis gas outlets be set around body of heater.The solid product (as semicoke) that pyrolysis produces falls from lower stone or metal plate for standing on a stove as a precaution against fire 5 edges, focuses on discharge nozzle 12 through material scraping plate 11 and discharges, and enter subsequent processing.When material generation pyrolysis, semicoke fall from lower stone or metal plate for standing on a stove as a precaution against fire 5 edges and are swept by material scraping plate 11, all can produce certain dust, therefore dust board 9 and 10 need be set, to play dust suppression and to reduce the purpose of dust content in the tar.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in technical scope provided by the invention; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (8)
1. pyrolysis reactor, main body is made up of upper stone or metal plate for standing on a stove as a precaution against fire, drapery panel, lower stone or metal plate for standing on a stove as a precaution against fire, material scraping plate, dust board and furnace wall, it is characterized in that, and described upper stone or metal plate for standing on a stove as a precaution against fire, drapery panel, dust board and material scraping plate can rotate, and described lower stone or metal plate for standing on a stove as a precaution against fire and furnace wall maintain static.
2. according to claim 1, described upper stone or metal plate for standing on a stove as a precaution against fire center is provided with feed-pipe, and the bottom is drapery panel.
3. according to claim 2, described feed-pipe bottom is provided with cone-shaped body.
4. according to claim 1 or 2, be provided with water seal or sand seal between described upper stone or metal plate for standing on a stove as a precaution against fire and feed-pipe and the furnace wall.
5. according to claim 1 or 2, the structure of described drapery panel is an inserted flour milling, it is characterized in that:
1) flour milling is made by wear-resisting, resistant to elevated temperatures metal or pottery, and through surperficial special processing;
2) flour milling is provided with some radial teeth groove, and the shape of teeth groove and arrangement mode be flexible design according to the difference of pyrolysis material;
3) be provided with a circle dust board and 1 pair or several to material scraping plate around the described drapery panel.
6. according to claim 1, described lower stone or metal plate for standing on a stove as a precaution against fire is an oblate column recuperative heater, it is characterized in that:
1) burner is arranged symmetrically in around the right cylinder, and fuel adopts the heat storage type combustion mode;
2) described lower stone or metal plate for standing on a stove as a precaution against fire only upper surface be heat-transfer surface, all the other each faces all are incubated with lagging material;
3) be symmetrically arranged with 1 pair or several to discharge nozzle around the described lower stone or metal plate for standing on a stove as a precaution against fire.
7. according to claim 1, described furnace wall top is arranged with 1 pair or several to pyrolysis gas outlet, described furnace wall inboard, and the place is corresponding with the set dust board of described drapery panel, is provided with a circle dust board equally.
8. according to claim 1, described pyrolysis reactor is applicable to the pyrolysis of polymer organic solid materials such as low-disintegration coal, resinous shale, oil-sand, biomass, junked tire, plastics, rubbish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101437707A CN103242868A (en) | 2013-01-31 | 2013-04-24 | Grinding-disc pyrolysis reactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310036877 | 2013-01-31 | ||
| CN201310036877.1 | 2013-01-31 | ||
| CN2013101437707A CN103242868A (en) | 2013-01-31 | 2013-04-24 | Grinding-disc pyrolysis reactor |
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| CN103242868A true CN103242868A (en) | 2013-08-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107573953A (en) * | 2017-11-11 | 2018-01-12 | 安徽帝元现代农业投资发展有限公司 | A kind of biomass carbon doffer in the production for biomass |
| CN107586547A (en) * | 2017-11-11 | 2018-01-16 | 安徽帝元现代农业投资发展有限公司 | A kind of biomass carbon blanking method in the production for biomass |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB669209A (en) * | 1949-09-20 | 1952-03-26 | Olin Mathieson | Improvements in or relating to a method of and apparatus for recovering sulfur values from acid sludge from petroleum refining |
| CN102277185A (en) * | 2011-07-19 | 2011-12-14 | 吴道洪 | Method for pyrolyzing coal by utilizing heat accumulating type revolving furnace |
-
2013
- 2013-04-24 CN CN2013101437707A patent/CN103242868A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB669209A (en) * | 1949-09-20 | 1952-03-26 | Olin Mathieson | Improvements in or relating to a method of and apparatus for recovering sulfur values from acid sludge from petroleum refining |
| CN102277185A (en) * | 2011-07-19 | 2011-12-14 | 吴道洪 | Method for pyrolyzing coal by utilizing heat accumulating type revolving furnace |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107573953A (en) * | 2017-11-11 | 2018-01-12 | 安徽帝元现代农业投资发展有限公司 | A kind of biomass carbon doffer in the production for biomass |
| CN107586547A (en) * | 2017-11-11 | 2018-01-16 | 安徽帝元现代农业投资发展有限公司 | A kind of biomass carbon blanking method in the production for biomass |
| CN107586547B (en) * | 2017-11-11 | 2020-10-20 | 合肥吉干原科技有限公司 | Biomass charcoal blanking method for biomass production |
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Application publication date: 20130814 |