CN112209590A - Continuous rotation pyrolysis desorption system - Google Patents
Continuous rotation pyrolysis desorption system Download PDFInfo
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- CN112209590A CN112209590A CN202011189542.XA CN202011189542A CN112209590A CN 112209590 A CN112209590 A CN 112209590A CN 202011189542 A CN202011189542 A CN 202011189542A CN 112209590 A CN112209590 A CN 112209590A
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- pyrolysis desorption
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/10—Treatment of sludge; Devices therefor by pyrolysis
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
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Abstract
The invention provides a continuous rotary pyrolysis desorption system applied to the technical field of oil sludge treatment equipment, wherein a high-temperature flue gas channel (8) is arranged between a reactor shell (3) and a shell furnace tank (1) of the continuous rotary pyrolysis desorption system, a material guide piece (4) comprises a front drive shaft (22) close to an oil sludge pyrolysis desorption inlet (5) and a rear drive shaft (23) close to an oil sludge pyrolysis desorption outlet (6), a guide chain (24) is sleeved on the front drive shaft (22) and the rear drive shaft (23), a plurality of guide plates (25) are arranged on the guide chain (24) according to gaps, and the front drive shaft (22) is connected with a motor (13). Meanwhile, the reduced soil in the oil-containing sludge subjected to thermal desorption enters the discharging device, so that the treatment efficiency and the treatment quality are improved.
Description
Technical Field
The invention belongs to the technical field of oil sludge (oily sludge) treatment equipment, and particularly relates to a continuous rotary pyrolysis desorption system.
Background
According to the properties of the oily sludge material, the liquid oil sludge and the semi-solid oil sludge are subjected to spiral propulsion type thermal desorption during pyrolysis desorption treatment, and the high-solid oil sludge is subjected to continuous rotation pyrolysis desorption equipment. And the pyrolysis desorption system (device) is used for heating the oily sludge conveyed from the feeding device, volatilizing and pyrolyzing pollutants in the oily sludge into gaseous state, conveying the gaseous state to the spray washing tower, harmlessly recovering heat energy and purifying the gaseous state by the tail gas treatment device, and feeding the thermally desorbed reduced soil into the discharging device for subsequent treatment after coming out of the thermal desorption device. The continuous rotary pyrolysis desorption system in the prior art has the disadvantages of complex structure, high cost and poor reliability
Disclosure of Invention
The technical problem to be solved by the invention is as follows: to prior art's not enough, provide a simple structure, can conveniently reliably heat the oily sludge who carries into, make the pollutant among the oily sludge volatilize, the pyrolysis becomes the gaseous state, the subsequent processing of being convenient for makes the native entering discharging device of the reduction in the oily sludge after the thermal desorption simultaneously to convenient high-efficient completion pyrolysis desorption is handled, reduce cost improves the continuous rotation pyrolysis desorption system of treatment effeciency and treatment quality.
To solve the technical problems, the invention adopts the technical scheme that:
the invention relates to a continuous rotary pyrolysis desorption system, which comprises a shell furnace tank, wherein a desorption reactor is positioned in the shell furnace tank, the desorption reactor comprises a reactor shell, a material guide piece is arranged in the reactor shell, one end of the reactor shell is provided with an oil sludge pyrolysis desorption inlet, the other end of the reactor shell is provided with an oil sludge pyrolysis desorption outlet, a pyrolysis desorption oil sludge conveying channel is formed between the reactor shell and the material guide piece, a high-temperature flue gas channel is arranged between the reactor shell and the shell furnace tank, one end of the high-temperature flue gas channel is a flue gas inlet, the other end of the high-temperature flue gas channel is a flue gas outlet, the oil sludge pyrolysis desorption inlet and the flue gas outlet are positioned on the same side, the oil sludge pyrolysis desorption outlet and the flue gas inlet are positioned on the same side, the material guide piece comprises a front drive shaft close to the oil sludge pyrolysis desorption inlet and, the guide chain is provided with a plurality of guide plates according to gaps, the front drive shaft is connected with the motor, the pyrolysis desorption oil sludge conveying channel is communicated with the pyrolysis gas treatment part, the oil sludge pyrolysis desorption outlet is communicated with the discharging part, and when the pyrolysis desorption oil sludge is treated by the pyrolysis desorption oil sludge conveying channel, the pressure in the pyrolysis desorption oil sludge conveying channel is in a negative pressure state ranging from-50 Pa to-150 Pa.
When the pyrolysis desorption oil sludge is processed through the pyrolysis desorption oil sludge conveying channel, the time of the pyrolysis desorption oil sludge passing through the pyrolysis desorption oil sludge conveying channel is controlled within the range of 50min-120min, and when the pyrolysis desorption oil sludge is processed through the pyrolysis desorption oil sludge conveying channel, the temperature of the oil sludge subjected to pyrolysis desorption treatment when the oil sludge is discharged from an oil sludge pyrolysis desorption outlet is controlled within the range of 250 ℃ to 550 ℃.
Pyrolysis desorption fatlute transfer passage pass through gas transmission pipeline and pyrolysis gas processing part intercommunication, pyrolysis desorption fatlute transfer passage sets up explosion-proof relief valve with gas transmission pipeline connecting portion.
The reactor shell be the tank structure of horizontal arrangement, the reactor front end of reactor shell sets up preceding baffle perpendicularly, the reactor rear end of reactor shell sets up the backplate perpendicularly, preceding baffle level is higher than the guide plate level on the water conservancy diversion chain that is located the lower part, the backplate level is higher than the level of the guide plate on the water conservancy diversion chain that is located the lower part, the motor opens with the control unit who controls the motor and open and stop and the rotational speed and be connected.
The high-temperature flue gas channel is communicated with the combustion chamber, the combustion chamber is positioned below the shell furnace tank, the pyrolysis gas treatment part is communicated with the oil product cooling and recycling part, the pyrolysis gas treatment part is simultaneously communicated with the non-combustible gas purification part, and the non-combustible gas purification part is communicated with the combustion chamber.
The outer glass fiber heat preservation that sets up of shell stove jar, the glass fiber heat preservation includes cotton layer of stereoplasm heat preservation and soft heat preservation surface course, when pyrolysis desorption fatlute was handled through pyrolysis desorption fatlute transfer passage, the temperature control of shell stove jar surface is below 60 ℃.
The tolerance temperature of the glass fiber heat-insulating layer is controlled between 1000 ℃ and 1280 ℃.
The reactor shell outer wall from top to bottom set up multiunit convex fin subassembly, every group fin subassembly includes a plurality of fins, and a plurality of fins of every group fin subassembly are arranged according to the clearance along reactor shell outer wall a week.
By adopting the technical scheme of the invention, the following beneficial effects can be obtained:
the continuous rotary pyrolysis desorption system adopts a jacket indirect heating structure and mainly comprises a shell furnace tank and a desorption reactor, wherein the core of the reactor is a material guide piece which has the function of pushing and conveying materials, so that the materials are conveyed in a pyrolysis desorption oil sludge conveying channel from an inlet to an outlet, and the oil sludge realizes repeated movement in the conveying process in the reactor, absorbs the heat of high-temperature flue gas in a high-temperature flue gas channel and is gradually heated. And the oily sludge is in countercurrent indirect contact with the high-temperature flue gas in the conveying process, namely the oily sludge and the high-temperature flue gas are not in direct contact, the conveying directions of the oily sludge and the high-temperature flue gas are opposite, the retention time of the oily sludge in a projector of a pyrolysis desorption system is 20-120 min, the discharging temperature is 250-550 ℃, and both the discharging temperature and the retention time of the oily sludge can be adjusted within the ranges. Meanwhile, the desorption reactor works in a micro negative pressure state of-50 to-150 Pa, a front driving shaft of the material guide piece is driven by a motor to achieve adjustable rotating speed, a rear driving shaft can be a driven shaft driven by the motor or a rear driving shaft synchronous with the front driving shaft, and when the rear driving shaft is used as the rear driving shaft, the other motor is arranged to synchronously drive the rear driving shaft. Thus, the pyrolysis stripping treatment can be efficiently and high-quality completed. The continuous rotary type pyrolysis desorption system provided by the invention has a simple structure, can conveniently and reliably heat the conveyed oily sludge, volatilizes and pyrolyzes pollutants in the oily sludge into a gaseous state, is convenient for subsequent treatment, and simultaneously enables the reduced soil in the thermally desorbed oily sludge to enter the discharging device, so that the pyrolysis desorption treatment can be conveniently and efficiently completed, the cost is reduced, and the treatment efficiency and the treatment quality are improved.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a schematic structural diagram of a continuous rotary pyrolysis desorption system according to the present invention;
in the drawings, the reference numbers are respectively: 1. a shell furnace tank; 2. a desorption reactor; 3. a reactor shell; 4. a material flow guide member; 5. an oil sludge pyrolysis desorption inlet; 6. an oil sludge pyrolysis desorption outlet; 7. a pyrolysis desorption oil sludge conveying channel; 8. a high temperature flue gas channel; 9. a flue gas inlet; 10. a flue gas outlet; 11. spraying a washing tower; 12. a discharge member; 13. a motor; 14. a control component; 15. a gas delivery conduit; 16. an explosion-proof pressure relief valve; 17. a glass fiber heat-insulating layer; 18. a hard thermal insulation cotton layer; 19. a soft heat-insulating surface layer; 20. a fin member; 21. ribs; 22. a front drive shaft; 23. a rear drive shaft; 24. a flow guide chain; 25. a baffle; 26. a reactor front end; 27. a front baffle; 28. a reactor rear end; 29. a tailgate; 30. a combustion chamber; 31. an oil product cooling and recovering component; 32. a noncombustible gas purifying member.
Detailed Description
The following detailed description of the embodiments of the present invention, such as the shapes and structures of the components, the mutual positions and connection relations among the components, the functions and operation principles of the components, will be made by referring to the accompanying drawings and the description of the embodiments:
as shown in fig. 1, the present invention relates to a continuous rotary pyrolysis desorption system, which comprises a shell furnace tank 1, a desorption reactor 2 is located in the shell furnace tank 1, the desorption reactor 2 comprises a reactor shell 3, a material flow guide member 4 is arranged in the reactor shell 3, one end of the reactor shell 3 is provided with an oil sludge pyrolysis desorption inlet 5, the other end of the reactor shell 3 is provided with an oil sludge pyrolysis desorption outlet 6, a pyrolysis desorption oil sludge conveying channel 7 is formed between the reactor shell 3 and the material flow guide member 4, a high temperature flue gas channel 8 is arranged between the reactor shell 3 and the shell furnace tank 1, one end of the high temperature flue gas channel 8 is a flue gas inlet 9, the other end of the high temperature flue gas channel 8 is a flue gas outlet 10, the oil sludge pyrolysis desorption inlet 5 and the flue gas outlet 10 are located on the same side, the oil sludge pyrolysis desorption outlet 6 and the flue gas inlet 9 are located on the same side, the material flow guide member 4 comprises a front drive shaft 22 close The shaft 23, the front driving shaft 22 and the rear driving shaft 23 are sleeved with the flow guide chain 24, the flow guide chain 24 is provided with a plurality of flow guide plates 25 according to gaps, the front driving shaft 22 is connected with the motor 13, the pyrolysis desorption oil sludge conveying channel 7 is communicated with the pyrolysis gas treatment part 11, the oil sludge pyrolysis desorption outlet 6 is communicated with the discharge part 12, and when pyrolysis desorption oil sludge is treated through the pyrolysis desorption oil sludge conveying channel 7, the pressure in the pyrolysis desorption oil sludge conveying channel 7 is in a negative pressure state ranging from-50 Pa to-150 Pa. Above-mentioned structure, continuous rotation pyrolysis desorption system (desorption reactor) adopts the structure of pressing from both sides cover indirect heating, mainly constitute by shell stove jar and desorption reactor (reactor), wherein the core of reactor is material water conservancy diversion spare 4, material water conservancy diversion spare 4 has the function of propelling movement material transport, make the material remove the transport to the export direction from the entry in pyrolysis desorption fatlute transfer passage 7, and fatlute realizes the motion repeatedly in carrying out the transportation process in the reactor, absorb the heat of the high temperature flue gas in the high temperature flue gas passageway 8, by heating gradually. And the oily sludge is in countercurrent indirect contact with the high-temperature flue gas in the conveying process, namely the oily sludge and the high-temperature flue gas are not in direct contact, the conveying directions of the oily sludge and the high-temperature flue gas are opposite, the retention time of the oily sludge in a projector of a pyrolysis desorption system is 20-120 min, the discharging temperature is 250-550 ℃, and both the discharging temperature and the retention time of the oily sludge can be adjusted within the ranges. Meanwhile, the desorption reactor works in a micro negative pressure state of-50 to-150 Pa, a front driving shaft of the material guide part 4 is driven by a motor to achieve adjustable rotating speed, a rear driving shaft can be a driven shaft driven by the motor or a rear driving shaft synchronous with the front driving shaft, and when the rear driving shaft is used as the rear driving shaft, the other motor is arranged to synchronously drive the rear driving shaft. Thus, the pyrolysis stripping treatment can be efficiently and high-quality completed. The continuous rotary type pyrolysis desorption system provided by the invention has a simple structure, can conveniently and reliably heat the conveyed oily sludge, volatilizes and pyrolyzes pollutants in the oily sludge into a gaseous state, is convenient for subsequent treatment, and simultaneously enables the reduced soil in the thermally desorbed oily sludge to enter the discharging device, so that the pyrolysis desorption treatment is conveniently and efficiently completed, the cost is reduced, and the treatment efficiency and the treatment quality are improved.
When the pyrolysis desorption oil sludge is processed through the pyrolysis desorption oil sludge conveying channel 7, the time of the pyrolysis desorption oil sludge passing through the pyrolysis desorption oil sludge conveying channel 7 is controlled within the range of 50min-120min, and when the pyrolysis desorption oil sludge is processed through the pyrolysis desorption oil sludge conveying channel 7, the temperature of the oil sludge subjected to pyrolysis desorption treatment when being discharged from the oil sludge pyrolysis desorption outlet 6 is controlled within the range of 250 ℃ to 550 ℃. Above-mentioned structure controls fatlute through pyrolysis desorption fatlute transfer passage's time, controls the heating temperature of the fatlute through pyrolysis desorption fatlute transfer passage 7 simultaneously for the temperature control of fatlute 6 exhaust fatlute of fatlute pyrolysis desorption export is in optimum temperature range, and such time and temperature make pyrolysis desorption effect, efficiency best.
Pyrolysis desorption fatlute transfer passage 7 pass through gas transmission pipeline 15 and pyrolysis gas processing part 11 intercommunication, pyrolysis desorption fatlute transfer passage 7 sets up explosion-proof relief valve 16 with gas transmission pipeline 15 connecting portion. By the structure, the explosion-proof pressure release valve ensures safe operation of the system.
The reactor shell 3 is a tank structure arranged horizontally, a front baffle 27 is vertically arranged at the front end 26 of the reactor shell 3, a rear baffle 29 is vertically arranged at the rear end 28 of the reactor shell 3, the horizontal height of the front baffle 27 is higher than that of a guide plate 25 on a guide chain 24 at the lower part, the horizontal height of the rear baffle 29 is higher than that of the guide plate 29 on the guide chain 24 at the lower part, and the motor 13 is connected with a control part 14 for controlling the starting, the stopping and the rotating speed of the motor. Above-mentioned structure, when control unit control motor rotated, the motor drove the rotation of front drive axle, the epaxial gear engagement of front drive drives the reciprocal rotation of diversion chain 24, and at the reciprocal rotation in-process of diversion chain 24, the guide plate is used in the fatlute, promote fatlute removal and carry, and be located the guide plate on upper portion, promote fatlute and remove the transport from the entry to the export direction, stir the fatlute simultaneously, be located the guide plate of lower part, stir promotion fatlute from the lower part, and the setting of preceding baffle and backplate, make the fatlute of lower part stirring, with higher speed the heat absorption, and can not tumble to upper portion, can not influence the promotion of upper portion guide plate to fatlute.
The high-temperature flue gas channel 8 is communicated with a combustion chamber 30, the combustion chamber 30 is positioned below the shell furnace tank 1, the pyrolysis gas treatment part 11 is communicated with an oil product cooling and recovering part 31, the pyrolysis gas treatment part 11 is simultaneously communicated with a non-combustible gas purification part 32, and the non-combustible gas purification part 32 is communicated with the combustion chamber 30. According to the structure, the combustion chamber generates high-temperature flue gas through burning fuel, and the high-temperature flue gas is conveyed to the high-temperature flue gas channel to carry out pyrolysis desorption treatment on a heat source. The pyrolysis gas treatment unit 11 cools and recovers the recovered oil, and the pyrolysis gas treatment unit 11 purifies the noncombustible gas by the noncombustible gas purification unit 32, and recovers and burns the noncombustible gas.
1 outer layer of shell retort set up glass fiber heat preservation 17, glass fiber heat preservation 17 includes cotton layer 18 of stereoplasm heat preservation and soft heat preservation surface course 19, when pyrolysis desorption fatlute was handled through pyrolysis desorption fatlute transfer passage 7, the temperature control of 1 surface of shell retort is below 60 ℃. The tolerance temperature of the glass fiber heat-insulating layer 17 is controlled between 1000 ℃ and 1280 ℃. Above-mentioned structure, for effectively reducing heat loss, 1 outer strata of shell stove jar set up glass fiber and keep warm, including cotton layer 18 of stereoplasm heat preservation and outer soft heat preservation surface course 19, glass fiber heat preservation parcel shell stove jar 1, through the design of heat preservation mechanism, the outside temperature of shell stove jar 1 (stove jar shell) is no longer than 60 ℃ (ambient temperature < 25 ℃, under the condition that non-sunshine penetrates directly). Meanwhile, enough anchoring pieces with proper shapes and materials are designed between the glass fiber heat-insulating layer 17 and the outer layer of the shell furnace tank 1, so that the heat-insulating surface layer is not easy to fall off.
The outer wall of the reactor shell 3 is provided with a plurality of groups of convex rib assemblies 20 from top to bottom, each group of rib assemblies 20 comprises a plurality of ribs 21, and the plurality of ribs 21 of each group of rib assemblies 20 are arranged along the periphery of the outer wall of the reactor shell 3 in a clearance manner. Above-mentioned structure for strengthening the heat transfer effect of fatlute and reactor shell wall, sets up a series of fins of arranging in order at reactor shell outer wall to on the basis of strengthening the heat transfer effect, ensure to press from both sides cover air current and temperature distribution even.
The continuous rotary pyrolysis desorption system adopts a jacket indirect heating structure and mainly comprises a shell furnace tank and a desorption reactor, wherein the core of the reactor is a material guide piece which has the function of pushing and conveying materials, so that the materials are conveyed in a pyrolysis desorption oil sludge conveying channel from an inlet to an outlet, and the oil sludge realizes repeated movement in the conveying process in the reactor, absorbs the heat of high-temperature flue gas in a high-temperature flue gas channel and is gradually heated. And the oily sludge is in countercurrent indirect contact with the high-temperature flue gas in the conveying process, namely the oily sludge and the high-temperature flue gas are not in direct contact, the conveying directions of the oily sludge and the high-temperature flue gas are opposite, the retention time of the oily sludge in a projector of a pyrolysis desorption system is 20-120 min, the discharging temperature is 250-550 ℃, and both the discharging temperature and the retention time of the oily sludge can be adjusted within the ranges. Meanwhile, the desorption reactor works in a micro negative pressure state of-50 to-150 Pa, a front driving shaft of the material guide piece is driven by a motor to achieve adjustable rotating speed, a rear driving shaft can be a driven shaft driven by the motor or a rear driving shaft synchronous with the front driving shaft, and when the rear driving shaft is used as the rear driving shaft, the other motor is arranged to synchronously drive the rear driving shaft. Thus, the pyrolysis stripping treatment can be efficiently and high-quality completed. The continuous rotary type pyrolysis desorption system provided by the invention has a simple structure, can conveniently and reliably heat the conveyed oily sludge, volatilizes and pyrolyzes pollutants in the oily sludge into a gaseous state, is convenient for subsequent treatment, and simultaneously enables the reduced soil in the thermally desorbed oily sludge to enter the discharging device, so that the pyrolysis desorption treatment can be conveniently and efficiently completed, the cost is reduced, and the treatment efficiency and the treatment quality are improved.
The present invention has been described in connection with the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments disclosed, but is intended to cover various modifications, changes and equivalents of the embodiments of the invention, and its application to other applications without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a continuous rotation pyrolysis desorption system which characterized in that: comprises a shell furnace pot (1), a desorption reactor (2) is positioned in the shell furnace pot (1), the desorption reactor (2) comprises a reactor shell (3), a material diversion piece (4) is arranged in the reactor shell (3), one end of the reactor shell (3) is provided with an oil sludge pyrolysis desorption inlet (5), the other end of the reactor shell (3) is provided with an oil sludge pyrolysis desorption outlet (6), a pyrolysis desorption oil sludge conveying channel (7) is formed between the reactor shell (3) and the material diversion piece (4), a high-temperature flue gas channel (8) is arranged between the reactor shell (3) and the shell furnace pot (1), one end of the high-temperature flue gas channel (8) is a flue gas inlet (9), the other end of the high-temperature flue gas channel (8) is a flue gas outlet (10), the pyrolysis desorption inlet (5) and the oil sludge outlet (10) are positioned on the same side, the oil sludge pyrolysis desorption outlet (6) and the flue gas inlet (9, the material flow guide piece (4) comprises a front driving shaft (22) close to the oil sludge pyrolysis desorption inlet (5) and a rear driving shaft (23) close to the oil sludge pyrolysis desorption outlet (6), a flow guide chain (24) is sleeved on the front driving shaft (22) and the rear driving shaft (23), a plurality of flow guide plates (25) are arranged on the flow guide chain (24) according to gaps, the front driving shaft (22) is connected with the motor (13), the pyrolysis desorption oil sludge conveying channel (7) is communicated with the pyrolysis gas treatment part (11), the oil sludge pyrolysis desorption outlet (6) is communicated with the discharging part (12), and when pyrolysis desorption oil sludge is treated through the pyrolysis desorption oil sludge conveying channel (7), the pressure in the pyrolysis desorption oil sludge conveying channel (7) is in a negative pressure state between-50 Pa and-150 Pa.
2. The continuous rotary pyrolysis desorption system of claim 1, wherein: when the pyrolysis desorption oil sludge is processed through the pyrolysis desorption oil sludge conveying channel (7), the time of the pyrolysis desorption oil sludge passing through the pyrolysis desorption oil sludge conveying channel (7) is controlled within the range of 50min-120min, and when the pyrolysis desorption oil sludge is processed through the pyrolysis desorption oil sludge conveying channel (7), the temperature of the oil sludge subjected to pyrolysis desorption processing and discharged from the oil sludge pyrolysis desorption outlet (6) is controlled within the range of 250 ℃ -550 ℃.
3. The continuous rotary pyrolysis desorption system of claim 1 or 2, wherein: pyrolysis desorption fatlute transfer passage (7) pass through gas transmission pipeline (15) and pyrolysis gas processing part (11) intercommunication, pyrolysis desorption fatlute transfer passage (7) and gas transmission pipeline (15) connecting portion set up explosion-proof relief valve (16).
4. The continuous rotary pyrolysis desorption system of claim 1 or 2, wherein: reactor casing (3) be the tank body structure of horizontal arrangement, reactor front end (26) of reactor casing (3) set up preceding baffle (27) perpendicularly, reactor rear end (28) of reactor casing (3) set up backplate (29) perpendicularly, preceding baffle (27) level is higher than guide plate (25) level on the water conservancy diversion chain (24) that are located the lower part, backplate (29) level is higher than the level of guide plate (29) on the water conservancy diversion chain (24) that are located the lower part, motor (13) are connected with control unit (14) that control motor opens and stops and the rotational speed.
5. The continuous rotary pyrolysis desorption system of claim 1 or 2, wherein: the high-temperature flue gas channel (8) is communicated with the combustion chamber (30), the combustion chamber (30) is positioned below the shell furnace tank (1), the pyrolysis gas treatment part (11) is communicated with the oil product cooling and recovering part (31), the pyrolysis gas treatment part (11) is simultaneously communicated with the non-combustible gas purification part (32), and the non-combustible gas purification part (32) is communicated with the combustion chamber (30).
6. The continuous rotary pyrolysis desorption system of claim 1 or 2, wherein: the outer glass fiber heat preservation (17) that sets up of shell stove jar (1), glass fiber heat preservation (17) include cotton layer (18) of stereoplasm heat preservation and soft heat preservation surface course (19), when pyrolysis desorption fatlute was handled through pyrolysis desorption fatlute transfer passage (7), the temperature control of shell stove jar (1) surface is below 60 ℃.
7. The continuous rotary pyrolysis desorption system of claim 6, wherein: the tolerance temperature of the glass fiber heat-insulating layer (17) is controlled between 1000 ℃ and 1280 ℃.
8. The continuous rotary pyrolysis desorption system of claim 1 or 2, wherein: the reactor shell (3) outer wall from top to bottom set up multiunit convex fin subassembly (20), every group fin subassembly (20) include a plurality of fins (21), a plurality of fins (21) of every group fin subassembly (20) are arranged according to the clearance along reactor shell (3) outer wall a week.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113264648A (en) * | 2021-05-28 | 2021-08-17 | 安洁士环保（上海）股份有限公司 | Continuous fused salt heat conduction oil sludge thermal desorption device |
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