CN107384449A - A kind of pyrolysis system and method for pyrolysis for three kinds of state materials of gas, liquid, solid - Google Patents
A kind of pyrolysis system and method for pyrolysis for three kinds of state materials of gas, liquid, solid Download PDFInfo
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- CN107384449A CN107384449A CN201710640884.0A CN201710640884A CN107384449A CN 107384449 A CN107384449 A CN 107384449A CN 201710640884 A CN201710640884 A CN 201710640884A CN 107384449 A CN107384449 A CN 107384449A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B47/00—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion
- C10B47/18—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion with moving charge
- C10B47/22—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion with moving charge in dispersed form
- C10B47/24—Destructive distillation of solid carbonaceous materials with indirect heating, e.g. by external combustion with moving charge in dispersed form according to the "fluidised bed" technique
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/14—Gaseous waste or fumes
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- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
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- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Dispersion Chemistry (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Processing Of Solid Wastes (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention discloses a kind of pyrolysis system and method for pyrolysis for three kinds of state materials of gas, liquid, solid, the system includes body of heater (1), the top in the interior space of the body of heater (1) sets spiral thermal decomposition tube (2), the bottom in the interior space of the body of heater (1) sets distribution grid (3), sets stirring to smash oar (4) between distribution grid (3) and spiral thermal decomposition tube (2)；Distribution grid (3) is taper air duct (7) below；Taper air duct (7) connects with air blower (8), air blower (8) connects with heat exchanger (9), heat exchanger (9) connects with air-introduced machine (10), and air-introduced machine (10) connects with discharging circulation pipe (5).The present invention can processing gas, liquid, solid different conditions material and its mixture, different pyrolysis ways are taken according to material performance, pyrolysis effect is good.
Description
Technical field
The invention belongs to fluidized bed pyrolysis technology field, be related to a kind of gas, liquid, solid pyrolysis system with circulatory function and
Method for pyrolysis.
Background technology
With social development, not only need to consume a large amount of raw material, a large amount of waste water and dregs are also produced urgently in production process
Processing.Pyrolytic technique is calcined in the processing procedure of the rubbish such as the processing of raw material and waste water and dregs to be widely used, but existing skill
Art still has the problems such as insufficient pyrolysis, high energy consumption, therefore it is significant to study pyrolytic technique.
The content of the invention
It is an object of the invention to overcome the shortcomings of existing pyrolysis oven technology, there is provided one kind can handle three kinds of shapes of gas-liquid-solid
State and its mixture material, efficiency high is pyrolyzed, capacity usage ratio is high, and the fluidisation pyrolysis system that material particular diameter scope is wide.
In order to achieve the above object, present invention employs following technical scheme：
A kind of pyrolysis system for three kinds of state materials of gas, liquid, solid, the system include body of heater 1, in the body of heater 1
The top in space sets spiral thermal decomposition tube 2, and the bottom in space sets distribution grid 3 in the body of heater 1, in distribution grid 3 and spiral heat
Stirring is set to smash oar 4 between solution pipe 2；Distribution grid 3 is below taper air duct 7；Taper air duct 7 connects with air blower 8, air blower
8 connect with heat exchanger 9, and heat exchanger 9 connects with air-introduced machine 10, and air-introduced machine 10 connects with discharging circulation pipe 5；
The material preheating space 11 of one outwardly convex, the first helical feed built in material preheating space 11 are set on body of heater 1
Machine 12, material preheating space 11 are additionally provided with first charging aperture 13, and the material entered from first charging aperture 13 is through the first spiral transferring
Machine 12 is sent to be conveyed into body of heater 1；
One end of the spiral thermal decomposition tube 2 connects with the discharging circulation pipe 5 on the top of body of heater 1, outside the other end and body of heater
Verticle circulating pipe 14 connects；Verticle circulating pipe 14 is arranged on the middle and upper part outside body of heater 1, and one end is communicated in upper of furnace body, the other end
The spiral thermal decomposition tube 2 being communicated in body of heater, the access port of the second conveying worm 15 is additionally provided with Verticle circulating pipe 14, used
In spiral thermal decomposition tube 2 will be conveyed into from the material that second charging aperture 16 enters through the second conveying worm 15；
The body of heater 1 also sets up liquid inlet opening 17 and material heating member 6, and liquid inlet opening 17 is used to spray liquid material
Enter body of heater 1；
The heat exchanger 9 is exchanged heat thermal decomposition product and air, the discharge of thermal decomposition product after heat exchange, heated air by
Air blower enters air duct, then enters body of heater through distribution grid.
Preferably, oar 4 is smashed in the stirring includes single or multiple lift stirring vane.
In the present invention, three kinds of state materials of gas, liquid, solid are one or more in Gaseous materials, liquid material, solid material
Mixing.That is, it both can be single phase material or multi phase state thing that the present invention, which enters the material that body of heater is pyrolyzed,
Material, such as two-phase or three-phase mixture material, such as high-concentration waste material or low concentration waste material.Then can be selected according to material properties
Select different charging apertures and material is sent into body of heater.
Preferably, covered outside body of heater and the material preheating space by insulation material.
Preferably, the liquid inlet opening is fluid injector, and temperature measuring element is thermocouple.
Present invention also offers the method for pyrolysis based on the above-mentioned pyrolysis system for three kinds of state materials of gas, liquid, solid, institute
Method for pyrolysis is stated to comprise the following steps：
1) first charging aperture is used as entering for mixed material one or more in Gaseous materials, liquid material and solid material
Material mouth；
Material enters from first charging aperture 13, and body of heater 1 is conveyed into through the first conveying worm 12；Oar 4 is smashed in stirring
It is evenly distributed under effect on distribution grid 3, motion is pyrolyzed simultaneously upwards under wind-force effect, and the mixed material of generation through following vertically
Endless tube is pyrolyzed again into spiral thermal decomposition tube, and gained thermal decomposition product is through the circulation pipe that discharges to heat exchanger, and in heat exchanger, pyrolysis is produced
Thing carries out heat exchange with air, obtains hot-air and low temperature pyrogenation product, thermal decomposition product enters next step production technology, hot-air
Reentered under air blower effect in the body of heater of pyrolysis oven；
2) second charging aperture be used as it is a kind of in the easy pyrolysis solid material in Gaseous materials, liquid material and solid material or
The charging aperture of a variety of mixed materials, also serve as the charging aperture of high density slurry；
Material enters spiral thermal decomposition tube from second charging aperture through the second conveying worm, the gained after the pyrolysis of spiral thermal decomposition tube
Thermal decomposition product is through the circulation pipe that discharges to heat exchanger, and in heat exchanger, thermal decomposition product carries out heat exchange with air, obtain hot-air with
Low temperature pyrogenation product, thermal decomposition product enter next step production technology, and hot-air reenters pyrolysis oven under air blower effect
In body of heater；
3) liquid inlet opening is used as the charging aperture of mixed material one or more in Gaseous materials and liquid material, also uses
Make the charging aperture of low-concentration pulp；
Material enters body of heater from liquid inlet opening, is uniformly sprayed in body of heater under wind-force effect the heat simultaneously of motion upwards
Solution, the mixed material of generation are pyrolyzed again through Verticle circulating pipe into spiral thermal decomposition tube, and gained thermal decomposition product is through the circulation pipe that discharges
To heat exchanger, in heat exchanger, thermal decomposition product carries out heat exchange with air, obtains hot-air and low temperature pyrogenation product, pyrolysis production
Thing enters next step production technology, and hot-air is reentered in the body of heater of pyrolysis oven under air blower effect.
Preferably, the preheating temperature in described material preheating space is 100-1400 DEG C, the pyrolysis temperature of the body of heater
For 100-1400 DEG C.
The body of heater of the present invention is fixed on bottom bracket, and motor is fixed with bottom bracket, and described motor is used to drive
Oar is smashed in dynamic conveying worm and stirring, using belt transmission.
Insulation construction is coated with the body of heater of pyrolysis oven, pyrolysis furnace outer wall is coated with insulation construction, in pyrolysis oven
Furnace wall it is identical with insulation construction between the upper and lower every the same horizontal position set thermocouple mounting hole.
Spiral thermal decomposition tube in the pyrolysis furnace body of the present invention is connected to form Matter Transfer with Verticle circulating pipe outside body of heater
Pyrolysis and heat recycle.
Present invention pyrolysis furnace body is outgoing to expect circulating line, air-introduced machine, heat exchanger and Blast mechanism into heat recovery section.
The stirring of the present invention is smashed oar and is connected by agitating shaft and belt with motor, and two layers of stirring vane of oar is smashed in stirring
On agitating shaft, agitating shaft carries Control device of liquid cooling, speed of agitator 0-400r/min.
The material preheating space and its interior conveying worm of the present invention also corresponds to the preheating conveyer of material, material from
Charging aperture enters preheating conveyer preheating, by regulation motor rotating speed, adjusts impeller speed, changes material in preheating conveyer
In residence time, remove material in moisture and or preheating.The material being pushed into by preheating conveyer, agitated oar of smashing make
Its is radially even to be distributed in distribution grid upper end, and the hot gas that distribution grid is passed through is brought into stove, makes material dispersed, pyrolysis property
Can be good.Do not smashed oar by stirring by the material that hot gas is brought into yet and crushed, particle diameter gradually reduces, then is brought into by hot gas hot in stove
Solution.Material is overflowed through overfall when material is excessive in stove, and in-furnace temperature is determined by thermocouple.Material takes burner hearth to by hot gas
(equivalent to space in body of heater) top.Into the Verticle circulating pipe being connected with body of heater, and the spiral thermal decomposition tube being attached thereto is again
Pyrolysis, the gas-solid mixture after pyrolysis enter described gas-to-gas heat exchanger and carry out heat exchange.
The liquid inlet opening of the present invention, which can atomize the liquid into, to be entered back into described pyrolysis furnace body.
The present invention can be used for granularity<The pyrolysis of 50mm solid materials, thermal decomposition product granularity<1mm.
The structure of the fluidized bed circulation pyrolysis oven of the present invention is simpler, easy to operate.In fluidisation when being pyrolyzed due to material
State, therefore the efficiency high of material pyrolysis.
Compared with prior art, following characteristics of the present invention：Material scope is wide, and the material of processing can be three kinds of states of gas-liquid-solid
Or its mixture；Material size fraction ranges are wide, pyrolysis system self-carrying mixing, have broken material function；Material is pyrolyzed efficiency
Height, effect is good, and pyrolysis is using streaming mode and is provided with spiral thermal decomposition tube, residence time length；Fuel heat utilization ratio is high, heat
Solution product caused high-temperature gas (such as high temperature air) after heat exchanger enters pyrolysis oven as wind regime.
Brief description of the drawings
Fig. 1 is the structural representation of pyrolysis system of the present invention；
Reference：1st, body of heater；2nd, spiral thermal decomposition tube；3rd, distribution grid；4th, oar is smashed in stirring；5th, discharge circulation pipe；6th, survey
Warm part；7th, taper air duct；8th, air blower；9th, heat exchanger；10th, air-introduced machine；11st, material preheating space；12nd, the first helical feed
Machine；13rd, first charging aperture；14th, Verticle circulating pipe；15th, the second conveying worm；16th, second charging aperture；17th, liquid inlet opening.
Embodiment
With the drawings and specific embodiments, the present invention is further detailed explanation below.
The specific embodiment of the present invention is the following is, it is used only as illustrating rather than limitation for the application.
Embodiment 1
As shown in figure 1, a kind of pyrolysis system for three kinds of state materials of gas, liquid, solid, the system includes body of heater 1, institute
The top for stating space in body of heater 1 sets spiral thermal decomposition tube 2, and the bottom in space sets distribution grid 3 in the body of heater 1, in distribution grid 3
Stirring is set to smash oar 4 between spiral thermal decomposition tube 2；Distribution grid 3 is below taper air duct 7；Taper air duct 7 connects with air blower 8
Logical, air blower 8 connects with heat exchanger 9, and heat exchanger 9 connects with air-introduced machine 10, and air-introduced machine 10 connects with discharging circulation pipe 5；
The material preheating space 11 of one outwardly convex, the first helical feed built in material preheating space 11 are set on body of heater 1
Machine 12, material preheating space 11 are additionally provided with first charging aperture 13, and the material entered from first charging aperture 13 is through the first spiral transferring
Machine 12 is sent to be conveyed into body of heater 1；
One end of the spiral thermal decomposition tube 2 connects with the discharging circulation pipe 5 on the top of body of heater 1, outside the other end and body of heater
Verticle circulating pipe 14 connects；Verticle circulating pipe 14 is arranged on the middle and upper part outside body of heater 1, and one end is communicated in upper of furnace body, the other end
The spiral thermal decomposition tube 2 being communicated in body of heater, the access port of the second conveying worm 15 is additionally provided with Verticle circulating pipe 14, used
In spiral thermal decomposition tube 2 will be conveyed into from the material that second charging aperture 16 enters through the second conveying worm 15；
The body of heater 1 also sets up liquid inlet opening 17 and temperature measuring element 6, and liquid inlet opening 17 is used to liquid material spraying into stove
Body 1；
The heat exchanger 9 is exchanged heat thermal decomposition product and air, the discharge of thermal decomposition product after heat exchange, heated air by
Air blower enters air duct, then enters body of heater through distribution grid.
Oar 4 is smashed in the stirring includes single or multiple lift stirring vane.
Covered outside body of heater and the material preheating space by insulation material.
The liquid inlet opening is fluid injector, and temperature measuring element is thermocouple.
Embodiment 2
Present invention also offers the method for pyrolysis based on the above-mentioned pyrolysis system for three kinds of state materials of gas, liquid, solid, institute
Method for pyrolysis is stated to comprise the following steps：
1) first charging aperture is used as entering for mixed material one or more in Gaseous materials, liquid material and solid material
Material mouth；
Material enters from first charging aperture 13, and body of heater 1 is conveyed into through the first conveying worm 12；Oar 4 is smashed in stirring
It is evenly distributed under effect on distribution grid 3, motion is pyrolyzed simultaneously upwards under wind-force effect, and the mixed material of generation through following vertically
Endless tube is pyrolyzed again into spiral thermal decomposition tube, and gained thermal decomposition product is through the circulation pipe that discharges to heat exchanger, and in heat exchanger, pyrolysis is produced
Thing carries out heat exchange with air, obtains hot-air and low temperature pyrogenation product, thermal decomposition product enters next step production technology, hot-air
Reentered under air blower effect in the body of heater of pyrolysis oven；
2) second charging aperture be used as it is a kind of in the easy pyrolysis solid material in Gaseous materials, liquid material and solid material or
The charging aperture of a variety of mixed materials, also serve as the charging aperture of high density slurry；
Material enters spiral thermal decomposition tube from second charging aperture through the second conveying worm, the gained after the pyrolysis of spiral thermal decomposition tube
Thermal decomposition product is through the circulation pipe that discharges to heat exchanger, and in heat exchanger, thermal decomposition product carries out heat exchange with air, obtain hot-air with
Low temperature pyrogenation product, thermal decomposition product enter next step production technology, and hot-air reenters pyrolysis oven under air blower effect
In body of heater；
3) liquid inlet opening is used as the charging aperture of mixed material one or more in Gaseous materials and liquid material, also uses
Make the charging aperture of low-concentration pulp；
Material enters body of heater from liquid inlet opening, is uniformly sprayed in body of heater under wind-force effect the heat simultaneously of motion upwards
Solution, the mixed material of generation are pyrolyzed again through Verticle circulating pipe into spiral thermal decomposition tube, and gained thermal decomposition product is through the circulation pipe that discharges
To heat exchanger, in heat exchanger, thermal decomposition product carries out heat exchange with air, obtains hot-air and low temperature pyrogenation product, pyrolysis production
Thing enters next step production technology, and hot-air is reentered in the body of heater of pyrolysis oven under air blower effect.
Preheating temperature in described material preheating space is 100-1400 DEG C, and the pyrolysis temperature of the body of heater is 100-
1400℃。
Embodiment 3
Sichuan carbonaceous gold ore, material grade -0.074mm account for 60%, and the carbonaceous gold ore chemistry multielement analysis result is such as
Following table (%)：
| TC | Au* | SiO2 | S | As | Mg | Al | P | K | Fe | Cu | Zn |
| 18.2 | 30.32 | 57.57 | 6.02 | 0.07 | 0.03 | 5.6 | 0.98 | 1.1 | 3.85 | 0.08 | 0.53 |
* unit：g/t
By pyrolysis oven temperature adjustment to 550 DEG C, carbonaceous gold ore material preheating space charging aperture feeds, during screw propulsion
Constantly heating, into after pyrolysis oven burner hearth, it is evenly distributed under agitating device effect on distribution grid, under wind-force effect upwards
Motion is calcined decarburization simultaneously, and gas-solid mixing material subsequently enters spiral thermal decomposition tube and is calcined decarburization again, and thermal decomposition product then moves
To heat exchanger, hot-air and low temperature pyrogenation product are respectively obtained, thermal decomposition product carries gold, and hot-air enters pyrolysis under fan action
Stove, Carbonaceous matter has not been contained in obtained thermal decomposition product, gold leaching rate is promoted to 99.5% by 0.2%.
Embodiment 4
Shandong coating and printing factory organic exhaust gas, exhaust gas parameters are as shown in the table：
| Methanol/mg/Nm3 | N-butanol/mg/Nm3 | Methyl acetate/mg/Nm3 |
| 2700 | 21.2 | 542.9 |
Pyrolysis oven temperature setting be 600 DEG C, organic exhaust gas air-introduced machine effect under by material preheating space charging aperture successively
Into material preheating space, pyrolysis oven and spiral thermal decomposition tube, high-temperature flue gas enters heat exchanger recovery heat.Gas Parameters after processing
It is as shown in the table：
| Methanol/mg/Nm3 | N-butanol/mg/Nm3 | Methyl acetate/mg/Nm3 |
| 0 | 0 | 0 |
Embodiment 5
Shandong pharmaceutical factory organic wastewater, organic wastewater water quality situation such as following table：
| COD average values/mg/L | |
| Pharmacy waste water | 3598 |
Pyrolysis oven temperature setting is 450 DEG C, and pharmacy waste water enters pyrolysis oven burner hearth through fluid injector in a manner of being atomized,
Enter spiral thermal decomposition tube with air-flow in the presence of bottom blast, flue gas subsequently enters heat exchanger, and high-temperature gas is under fan action
Return pyrolysis oven.
Organic matter mass fraction is as shown in the table in flue gas after processing:
| Organic matter mass fraction/% |
| 0 |
Embodiment 6
Shandong refinery sludges, dregs of fat composition situation such as following table：
| Water | Oil | Mud |
| 80% | 3.5 | 16.5% |
Pyrolysis oven temperature setting is 800 DEG C, and the dregs of fat enter pyrolysis through being pyrolyzed furnace body liquid inlet opening in a manner of being atomized
Stove burner hearth, enter spiral thermal decomposition tube with air-flow in the presence of bottom blast, flue gas subsequently enters heat exchanger, and high-temperature gas is in wind
Pyrolysis oven is returned under machine effect.
Composition is as shown in the table in dregs of fat flue gas after processing:
| SiO2 | CaO |
| 96.3% | 3.7% |
Embodiment 7
Henan sewage plant sludge, sludge components situation such as following table：g/kg
| Organic matter | Full nitrogen | Full phosphorus | Full potassium |
| 498.45 | 27.12 | 2.56 | 46.71 |
Pyrolysis oven temperature setting is 900 DEG C, and sludge enters pyrolysis oven burner hearth through first charging aperture, in the effect of bottom blast
Under with air-flow enter spiral thermal decomposition tube, flue gas subsequently enters heat exchanger, and high-temperature gas returns pyrolysis oven under fan action.
The content of organic matter is as shown in the table in sludge after processing:
| Organic matter/% |
| 0 |
It should be noted last that the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted.Although
The present invention is described in detail with reference to embodiment, it will be apparent to an ordinarily skilled person in the art that to this hair
Bright technical scheme is modified or equivalent substitution, and without departure from the spirit and scope of technical solution of the present invention, it all should contain
Cover among scope of the presently claimed invention.
Claims (6)
- A kind of 1. pyrolysis system for three kinds of state materials of gas, liquid, solid, it is characterised in that the system includes body of heater (1), The top in the interior space of the body of heater (1) sets spiral thermal decomposition tube (2), and the bottom in the interior space of the body of heater (1) sets distribution grid (3), stirring is set to smash oar (4) between distribution grid (3) and spiral thermal decomposition tube (2)；Distribution grid (3) is taper air duct below (7)；Taper air duct (7) connects with air blower (8), and air blower (8) connects with heat exchanger (9), heat exchanger (9) and air-introduced machine (10) Connection, air-introduced machine (10) connect with discharging circulation pipe (5)；The material preheating space (11) of one outwardly convex, the first spiral transferring built in material preheating space (11) are set on body of heater (1) Machine (12) is sent, material preheating space (11) is additionally provided with first charging aperture (13), the material warp entered from first charging aperture (13) First conveying worm (12) is conveyed into body of heater (1)；One end of the spiral thermal decomposition tube (2) connects with the discharging circulation pipe (5) on body of heater (1) top, outside the other end and body of heater Verticle circulating pipe (14) connection；Verticle circulating pipe (14) is arranged on the middle and upper part of body of heater (1) outside, and one end is communicated on body of heater Portion, the other end are communicated in the spiral thermal decomposition tube (2) in body of heater, the second conveying worm are additionally provided with Verticle circulating pipe (14) (15) access port, for spiral heat will to be conveyed into from the material that second charging aperture (16) enters through the second conveying worm (15) Solution pipe (2)；The body of heater (1) also sets up liquid inlet opening (17) and temperature measuring element (6), and liquid inlet opening (17) is used to spray liquid material Enter body of heater (1)；The heat exchanger (9) is exchanged heat thermal decomposition product and air, and the thermal decomposition product discharge after heat exchange, heated air is by rousing Blower fan enters air duct, then enters body of heater through distribution grid；Described three kinds of state materials of gas, liquid, solid are mixtures one or more in Gaseous materials, liquid material, solid material Material.
- 2. the pyrolysis system according to claim 1 for three kinds of state materials of gas, liquid, solid, it is characterised in that described to stir Mix and smash oar (4) and include single or multiple lift stirring vane.
- 3. the pyrolysis system according to claim 1 for three kinds of state materials of gas, liquid, solid, it is characterised in that the stove Covered outside body and material preheating space by insulation material.
- 4. the pyrolysis system according to claim 1 for three kinds of state materials of gas, liquid, solid, it is characterised in that the liquid Body charging aperture is fluid injector, and temperature measuring element is thermocouple.
- 5. based on described in claim any one of 1-4 be used for three kinds of state materials of gas, liquid, solid pyrolysis system method for pyrolysis, The method for pyrolysis comprises the following steps：1) first charging aperture is used as the charging of mixed material one or more in Gaseous materials, liquid material and solid material Mouthful；Material enters from first charging aperture (13), and body of heater (1) is conveyed into through the first conveying worm (12)；Oar is smashed in stirring (4) it is evenly distributed in the presence of on distribution grid (3), motion is pyrolyzed simultaneously upwards under wind-force effect, the mixed material of generation Be pyrolyzed again into spiral thermal decomposition tube through Verticle circulating pipe, gained thermal decomposition product through discharge circulation pipe to heat exchanger, in heat exchanger In, thermal decomposition product carries out heat exchange with air, obtains hot-air and low temperature pyrogenation product, and thermal decomposition product enters production work in next step Skill, hot-air are reentered in the body of heater of pyrolysis oven under air blower effect；2) second charging aperture is used as in the easy pyrolysis solid material in Gaseous materials, liquid material and solid material one or more Mixed material charging aperture, also serve as the charging aperture of high density slurry；Material enters spiral thermal decomposition tube from second charging aperture through the second conveying worm, and gained is pyrolyzed after the pyrolysis of spiral thermal decomposition tube Product is through the circulation pipe that discharges to heat exchanger, and in heat exchanger, thermal decomposition product carries out heat exchange with air, obtains hot-air and low temperature Thermal decomposition product, thermal decomposition product enter next step production technology, and hot-air reenters the body of heater of pyrolysis oven under air blower effect In；3) liquid inlet opening is used as the charging aperture of mixed material one or more in Gaseous materials and liquid material, also serves as low The charging aperture of concentration slurry；Material enters body of heater from liquid inlet opening, is uniformly sprayed in body of heater under wind-force effect motion upwards while is pyrolyzed, raw Into mixed material be pyrolyzed again into spiral thermal decomposition tube through Verticle circulating pipe, gained thermal decomposition product through discharge circulation pipe to exchange heat Device, in heat exchanger, thermal decomposition product carries out heat exchange with air, obtains hot-air and low temperature pyrogenation product, and thermal decomposition product enters Next step production technology, hot-air are reentered in the body of heater of pyrolysis oven under air blower effect.
- 6. method for pyrolysis according to claim 5, it is characterised in that the preheating temperature in described material preheating space is 100-1400 DEG C, the pyrolysis temperature of the body of heater is 100-1400 DEG C.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108485686A (en) * | 2018-05-28 | 2018-09-04 | 青岛伊诺威能源化工新技术有限公司 | Dynamic heat solid organic matters pyrolysis combination unit inside and outside biserial mixture length |
| CN108659873A (en) * | 2018-07-19 | 2018-10-16 | 天津科技大学 | Continuous biomass fast thermal decomposition device |
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| CN112175642A (en) * | 2020-08-18 | 2021-01-05 | 北京科技大学 | Device and method for synchronously reducing manganese-iron-containing minerals through biomass pyrolysis |
| CN112175642B (en) * | 2020-08-18 | 2021-08-27 | 北京科技大学 | Device and method for synchronously reducing manganese-iron-containing minerals through biomass pyrolysis |
| CN111928251A (en) * | 2020-09-15 | 2020-11-13 | 上海蓝科石化环保科技股份有限公司 | Combustion treatment device and process for nitrogen-containing raw material |
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