CN207121570U - A kind of pyrolysis system for three kinds of state materials of gas, liquid, solid - Google Patents
A kind of pyrolysis system for three kinds of state materials of gas, liquid, solid Download PDFInfo
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- CN207121570U CN207121570U CN201720947837.6U CN201720947837U CN207121570U CN 207121570 U CN207121570 U CN 207121570U CN 201720947837 U CN201720947837 U CN 201720947837U CN 207121570 U CN207121570 U CN 207121570U
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Abstract
The utility model discloses a kind of pyrolysis system 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 utility model 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 utility model belongs to fluidized bed pyrolysis technology field, is related to a kind of gas, liquid, solid pyrolysis system with circulatory function
System.
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.
Utility model content
The purpose of this utility model is to overcome the shortcomings of existing pyrolysis oven technology, there is provided one kind can handle gas-liquid-solid three
Kind 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, the utility model 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 utility model, three kinds of state materials of gas, liquid, solid are Gaseous materials, liquid material, it is a kind of in solid material or
A variety of mixing.That is, the utility model enter the material that is pyrolyzed of body of heater both can be single phase material or
Multi phase state material, such as two-phase or three-phase mixture material, such as high-concentration waste material or low concentration waste material.Then can be according to thing
Material property selects different charging apertures that 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.
The utility model additionally provides the pyrolysis side based on the above-mentioned pyrolysis system for three kinds of state materials of gas, liquid, solid
Method, the method for pyrolysis 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.
Body of heater of the present utility model is fixed on bottom bracket, and motor is fixed with bottom bracket, and described motor is used
Oar is smashed in driving 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 pyrolysis furnace body of the present utility model is connected to form material with Verticle circulating pipe outside body of heater
Circulation pyrolysis and heat recycle.
The utility model pyrolysis furnace body is outgoing to expect circulating line, air-introduced machine, heat exchanger and Blast mechanism into heat recovery
Part.
Stirring of the present utility model is smashed oar and is connected by agitating shaft and belt with motor, and two layers of stirring of oar is smashed in stirring
Blade is arranged on agitating shaft, and agitating shaft carries Control device of liquid cooling, speed of agitator 0-400r/min.
Material preheating space of the present utility model and its interior conveying worm also correspond to the preheating conveyer of material, thing
Material by regulation motor rotating speed, adjusts impeller speed, it is defeated in preheating to change material from charging aperture into preheating conveyer preheating
The residence time in device is sent, removes moisture and or preheating in material.The material being pushed into by preheating conveyer, it is agitated to smash
Oar make its it is radially even be distributed in distribution grid upper end, the hot gas that distribution grid is passed through is brought into stove, makes material dispersed, heat
It is good to solve performance.Do not smashed oar by stirring by the material that hot gas is brought into yet and crushed, particle diameter gradually reduces, then brings stove into by hot gas
Interior pyrolysis.Material is overflowed through overfall when material is excessive in stove, and in-furnace temperature is determined by thermocouple.Material takes stove to by hot gas
Thorax is equivalent to top of space in body of heater.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.
Liquid inlet opening of the present utility model, which can atomize the liquid into, to be entered back into described pyrolysis furnace body.
The utility model can be used for granularity<The pyrolysis of 50mm solid materials, thermal decomposition product granularity<1mm.
The structure of fluidized bed circulation pyrolysis oven of the present utility model is simpler, easy to operate.Due to being in when material is pyrolyzed
Fluidized state, therefore the efficiency high of material pyrolysis.
Compared with prior art, the utility model following characteristics：Material scope is wide, and the material of processing can be three kinds of gas-liquid-solid
State or its mixture；Material size fraction ranges are wide, pyrolysis system self-carrying mixing, have broken material function；Material is pyrolyzed
Efficiency high, effect is good, and pyrolysis is using streaming mode and is provided with spiral thermal decomposition tube, residence time length；Fuel heat utilization ratio
Height, thermal decomposition product caused high-temperature gas such as high temperature air after heat exchanger enter pyrolysis oven as wind regime.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model pyrolysis system；
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
The utility model is described in further detail with the drawings and specific embodiments below.
Specific embodiment of the utility model 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
The utility model additionally provides the pyrolysis side based on the above-mentioned pyrolysis system for three kinds of state materials of gas, liquid, solid
Method, the method for pyrolysis 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 above example is only illustrating the technical solution of the utility model and unrestricted.To the greatest extent
The utility model is described in detail with reference to embodiment for pipe, it will be apparent to an ordinarily skilled person in the art that to this practicality
New technical scheme is modified or equivalent substitution, without departure from the spirit and scope of technical solutions of the utility model, its
It all should cover among right of the present utility model.
Claims (4)
- 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.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720947837.6U CN207121570U (en) | 2017-07-31 | 2017-07-31 | A kind of pyrolysis system for three kinds of state materials of gas, liquid, solid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720947837.6U CN207121570U (en) | 2017-07-31 | 2017-07-31 | A kind of pyrolysis system for three kinds of state materials of gas, liquid, solid |
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| Publication Number | Publication Date |
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ID=61613393
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107384449A (en) * | 2017-07-31 | 2017-11-24 | 中国科学院过程工程研究所 | A kind of pyrolysis system and method for pyrolysis for three kinds of state materials of gas, liquid, solid |
| 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 |
-
2017
- 2017-07-31 CN CN201720947837.6U patent/CN207121570U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107384449A (en) * | 2017-07-31 | 2017-11-24 | 中国科学院过程工程研究所 | A kind of pyrolysis system and method for pyrolysis for three kinds of state materials of gas, liquid, solid |
| 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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