CN113181840A - Synthetic cracking reaction kettle capable of adaptively adjusting material viscosity and yield change - Google Patents

Synthetic cracking reaction kettle capable of adaptively adjusting material viscosity and yield change Download PDF

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Publication number
CN113181840A
CN113181840A CN202011623172.6A CN202011623172A CN113181840A CN 113181840 A CN113181840 A CN 113181840A CN 202011623172 A CN202011623172 A CN 202011623172A CN 113181840 A CN113181840 A CN 113181840A
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section
stirring
stirring shaft
kettle
spiral
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CN113181840B (en
Inventor
张冰
彭涛
暴利军
林宏
丁时康
罗博文
于洋
汤帅
鲁文龙
李大鹏
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Inner Mongolia Synthetic Chemical Research Institute
Beijing University of Chemical Technology
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Inner Mongolia Synthetic Chemical Research Institute
Beijing University of Chemical Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J6/00Heat treatments such as Calcining; Fusing ; Pyrolysis
    • B01J6/008Pyrolysis reactions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0053Details of the reactor
    • B01J19/0066Stirrers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18Stationary reactors having moving elements inside
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18Stationary reactors having moving elements inside
    • B01J19/20Stationary reactors having moving elements inside in the form of helices, e.g. screw reactors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049Controlling or regulating processes
    • B01J2219/00051Controlling the temperature
    • B01J2219/00054Controlling or regulating the heat exchange system
    • B01J2219/00056Controlling or regulating the heat exchange system involving measured parameters
    • B01J2219/00058Temperature measurement
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/10Biofuels, e.g. bio-diesel

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Abstract

A synthetic cracking reaction kettle capable of adaptively adjusting material viscosity and yield change belongs to the field of polymer preparation, can control stirring height aiming at special materials, realizes central point position temperature detection and variable viscosity detection, and saves energy. The device is mainly characterized by comprising a conical power type kettle wall structure, a dynamic stirring adjusting mechanism, an electric brush temperature acquisition device, a spiral-conical power type stirring paddle structure and a telescopic viscosity detection structure. The conical power type kettle wall structure solves the problem that the viscosity of the variable material quantity cannot be detected; the stirring dynamic adjusting mechanism solves the problem of adaptability of the stirring paddle in the stirring reaction process of variable material quantity; the electric brush temperature acquisition device can detect the temperature of the central position of the material in the reaction kettle; the spiral-conical power type stirring paddle structure is matched with the conical power type kettle wall structure, so that the stirring process is more efficient; the telescopic viscosity detection structure provides the possibility of detecting the viscosity of different materials. The stirring height of the stirring dynamic adjusting device is adjusted, so that the material quantity adaptation is realized, and the application range is wide.

Description

Synthetic cracking reaction kettle capable of adaptively adjusting material viscosity and yield change
Technical Field
The invention belongs to the field of polymer material reaction preparation, is particularly applied to the processes of molecular weight change and viscosity change of materials such as synthesis and cracking, and relates to a novel synthesis and cracking integrated reaction kettle capable of adaptively adjusting the viscosity and yield change of materials.
Background
In recent years, with the rapid development of cracking reaction technology, synthesis and cracking integrated reaction kettle equipment is increasingly widely applied, but aiming at the variable change requirements of material viscosity, treatment capacity and the like in the material synthesis and cracking reaction processes, a traditional reaction kettle needs to be specially designed according to different process requirements, and the self-adaptive regulation and control capability of the reaction kettle aiming at the reaction working condition and the process requirement change is low, so that the adjustment is needed.
At present, the cracking device has some defects in temperature detection and adaptive control. The multipoint is temperature detection and the material yield self-adaptive multipoint position viscosity detection are realized through the structure in the text.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides the synthesis and cracking integrated reaction kettle equipment capable of adaptively adjusting the viscosity and yield change of materials, can adjust and control the position and the rotating direction of a stirring paddle according to the physical properties and yield requirements of different materials, and realizes multi-point temperature detection and viscosity multi-point position displacement detection based on a central shaft, thereby realizing adaptive process adjustment and control, improving the product quality and realizing energy conservation and efficiency improvement.
The invention adopts the following technical scheme for realizing the invention:
a synthetic cracking reaction kettle capable of adaptively adjusting material viscosity and yield change is characterized in that: the device comprises a conical power type kettle wall structure, a dynamic stirring adjusting mechanism, an electric brush temperature collecting device, a spiral-conical power type stirring paddle structure and a telescopic viscosity detection structure.
The stirring motor (1) is connected with the gear reduction box (3) through the first coupler (2), the output shaft of the gear reduction box (3) is connected with the stirring shaft (8) through the second coupler (4), the stirring shaft (8) is connected with the motor support (7) through the sliding seal (6), and the lower end of the stirring shaft (8) is provided with the spiral-conical power type stirring paddle (13). The stirring shaft (8) is a hollow shaft, a temperature sensor (29) is arranged in the shaft, and the temperature sensor (29) completes temperature acquisition and transmission through a data receiving brush ring (23), a contact (24), a data transmission brush ring (25) and a data transmission line (26). The upper end of a hydraulic cylinder (5) is connected with a gear reduction box (3), the lower end of the hydraulic cylinder (5) is connected with a motor support (7), a sliding seal (6) is fixed on the motor support (7), and the motor support (7) is fixed with an upper seal head (10). The feeding port (9) is fixed on the upper end enclosure (10), the upper end enclosure (10) is connected with the conical kettle wall (16) through the kettle opening flange (11), the conical kettle wall (16) is externally provided with a jacket (17), a heat conduction oil outlet (14) is arranged above the jacket (17), and a heat conduction oil inlet (21) is arranged below the jacket (17). The discharge port (20) is arranged right below the kettle wall (18) with the power function section through the jacket (17), and the viscometer (19) is obliquely arranged on one side of the kettle wall (18) with the power function section through the jacket (17) and forms an included angle of 17 degrees to 19 degrees with the horizontal position.
An upper end enclosure (10) is welded with an upper kettle mouth flange (11), the upper kettle mouth flange (11) and a lower kettle mouth flange (12) are respectively connected with the upper surface and the lower surface of a sealing washer (15), the lower kettle mouth flange (12) is welded with a conical kettle wall (16), the lower end of the conical kettle wall (16) is welded with the upper end of a power function curved surface kettle wall (18), the kettle wall profile of the power function curved surface kettle wall (18) is matched with a formula 1,
y2x/128 … … … … … … … … … … … equation 1
The advantage of using the power function curved surface kettle body is that when the material yield is 7-10% of the total yield and the volume is 3-6L, the liquid level height of the material in the reaction kettle can cover the detection height of a viscometer, and normal use production is realized. The power function curved surface kettle wall (18) has the function of a lower end socket, the total volume of the power function curved surface kettle wall (18) is 3-6L, so that the viscosity detection can still be carried out when the material is less than 3-6L, and the problem that the viscosity of low-yield materials of a common kettle body is difficult to detect is solved. The included angle between the conical kettle wall (16) and the vertical direction is 15-18 degrees, the height of the conical kettle wall (18) is 3/4 of the total height L of the kettle wall, when the conical kettle wall (16) is adopted, the volume above the power function curved surface kettle wall (18) is rapidly increased, and when the maximum diameter of the kettle wall is 650mm, the volume of a kettle body can reach 100L, so that the method is suitable for the condition of high-yield materials.
In the process of material synthesis reaction, the viscosity of the material is continuously increased along with the increase of molecular weight; during the cracking process, the viscosity of the material decreases with the decrease of the molecular weight. Therefore, in the synthesis and cracking integrated reaction, the slurry type design needs to play a good role in different material viscosity areas. The existing paddle type is difficult to adapt to all the changes of the cracking reaction process. Therefore, the stirring device is divided into four parts, namely an upper spiral section (31), a conical wall scraping stirring section (32), a stirring radial mixing section (33) and a small spiral section (34) with a dead zone at the bottom. The initial height position of the upper spiral section (31) is the same as the highest height position of the conical kettle wall, the length of the upper spiral section (31) is 0.9-0.95 times of the total height of the kettle wall, the maximum outer diameter of the upper spiral section (31) is 3.5-4 times of the outer diameter of the stirring shaft (8), the upper spiral section (31) is a conical spiral, the spiral angle is 20-25 degrees, the spiral outer diameter of the initial position of the upper spiral section (31) is the maximum, the spiral of the final position is the minimum, and the taper is 1:45-1: 50; the lower end of the upper spiral section (31) is provided with a stirring radial mixing section (33), the stirring radial mixing section (33) is a power function, the outer diameter profile is matched with the formula 2,
y2x/144 … … … … … … … … … … … … equation 2
Not only provides the installation space for the viscometer, but also ensures that the full stirring effect can be provided under the condition that the yield is 7-10% of the designed yield, and the length of the stirring radial mixing section (33) is 0.1-0.15 time of the length of the stirring shaft (8); the position with the maximum diameter of the stirring radial mixing section (33) is welded with the conical wall scraping stirring section (32), the length of the conical wall scraping stirring section (32) is 0.3-0.4 times of the length of the stirring shaft (8), and the included angle between the conical wall scraping stirring section (32) and the vertical direction is 15-18 degrees; the bottom spiral section (34) is a tapered thread, the bottom spiral section (34) starts from the lower end of the stirring radial mixing section (33), the length of the bottom spiral section (34) is 0.1-0.15 times of the length of the stirring shaft (8), the outer diameter of the starting position of the bottom spiral section (34) is the smallest, the largest outer diameter of the bottom spiral section (34) is 2-2.5 times of the diameter of the stirring shaft, and the taper of the bottom spiral section (34) is 1:10-1: 15.
Inside the material passes through feed inlet (9) and gets into reation kettle, the conduction oil passes through conduction oil import (21) and gets into the clamp cover, flow through conduction oil export (14) and press from both sides the cover, realize preheating of the inside material of reation kettle, the material forms under stirring rake upper portion spiral section (31) effect and flows in the axial that is close to the agitator shaft position, upper portion spiral section (31) oar type is the taper thread, upper portion spiral section (31) initial position external diameter of spiral is the biggest, the final position spiral is minimum, the tapering is 1: 45-1:50. The axial flow of the material in the area is mainly downward axial flow, so that the problem that a large number of dead zones exist at the position close to the stirring shaft of the large-diameter blade is solved.
The material forms axial flow close to the position of the stirring shaft under the action of a bottom spiral section (34), the bottom reverse spiral section (34) is a tapered thread, the bottom spiral section (34) starts from the lower end of a stirring radial mixing section (33), the length of the bottom spiral section (34) is 0.1-0.15 times of the length of the stirring shaft (8), the outer diameter of the starting position of the bottom reverse spiral section (34) is minimum, the maximum outer diameter of the bottom reverse spiral section (34) is 2-2.5 times of the diameter of the stirring shaft, and the taper of the bottom reverse spiral section (34) is 1:10-1: 15. A spiral-conical power type stirring paddle structure is adopted, when the stirring shaft rotates clockwise, the bottom spiral section (34) enables materials to flow downwards, and the materials are discharged in an accelerated manner; when the stirring shaft rotates anticlockwise, the upper spiral section (31) enables surrounding materials to flow downwards, the bottom spiral section (34) enables the surrounding materials to flow upwards, stirring and mixing are promoted, and the dead zone range at the bottom of the kettle body is reduced.
The materials are conveyed to a stirring radial mixing section (33) under the action of an upper spiral section (31) and a bottom reverse spiral section (34), the stirring radial mixing section (33) is a power function, the outer diameter profile is matched with a formula 2,
y2x/144 … … … … … … … … … … equation 2
The length of the stirring radial mixing section (33) is 0.1-0.15 times of the length of the stirring shaft (8). The high-efficiency mixing and cracking of the materials are realized under the action of radial stirring and mixing of the materials in the area. The largest diameter position of the stirring radial mixing section (33) is welded with the conical wall scraping stirring section (32), the length of the conical wall scraping stirring section (32) is 0.3-0.4 times of the length of the stirring shaft (8), and the included angle between the conical wall scraping stirring section (32) and the vertical direction is 15-18 degrees. Under the stirring and scraping action of the conical wall scraping stirring section (32), materials adhered to the wall of the conical kettle slide down to the stirring radial mixing section (33) to realize high-efficiency mixing and cracking.
4-5 temperature measuring thermal resistors (43-47) are arranged on the stirring shaft (8), detection signals are transmitted through the electric brush temperature acquisition device, the upper section solid stirring shaft (22) of the stirring shaft (8) is connected with the data receiving electric brush ring (23) through a sealing pipe thread, the data receiving electric brush ring (23) is connected with the lower section hollow stirring shaft (22) through a sealing pipe thread, the length of the lower section hollow stirring shaft (22) is 0.8-0.9 times of the total length of the stirring shaft (8), and the inner diameter of the hollow part is 0.5-0.6 times of the radius of the stirring shaft (8). Install temperature sensor (29) in lower segment hollow stirring shaft (28), temperature sensor (29) lower extreme passes through seal structure (30) and lower segment hollow stirring shaft (28) cooperation, it is fixed that location screw thread (27) are passed through to temperature sensor (29) upper end, pass through data line (26) between temperature sensor (29) and contact (23) and be connected, temperature sensor (29) data pass through data transmission line (26) and transmit to contact (24), data receiving brush ring (23) are passed into in rethread contact (24), data rethread data receiving brush ring (23) are passed into data transmission brush ring (24), data transmission brush ring (24) link together with gear reduction box (3).
The motor (1) is connected with the gear reduction box (3) through the first coupler (2), the gear reduction box (3) is connected with the stirring shaft (8) through the second coupler (4), the hydraulic cylinder (5) is fixed between the gear reduction box (3) and the motor support (7), and the stirring shaft (8) is matched with the motor support (7) through the sliding seal (6) to form a shaft seal. The height of the hydraulic cylinder (5) is set within an adjustable range of 0-100 mm. The adjustment of the temperature detection position and the adaptability adjustment of the stirring paddles for materials with different volumes can be realized.
The viscosity detection probe (35) is connected with a viscometer extension section (36) and extends into the reaction kettle body, the viscometer extension section (35) is connected with a telescopic limiting section (38) through a sliding seal (37), the telescopic limiting section (38) is connected with a transmission connection section (40), the telescopic limiting section (38) and the transmission connection section (40) are matched and fixed with a tubular taper thread (39), the lower part of the length position of the transmission connection section (40)1/2 is connected with a viscometer junction box (41), the rear end of the transmission connection section (40) is connected with a telescopic control hydraulic plunger (42), and the telescopic control hydraulic plunger (42) has a telescopic control quantity of 0-30 mm.
Drawings
FIG. 1 is a schematic view of a reactor with adaptive viscosity and yield regulation according to the present invention;
FIG. 2 is a schematic view of a dynamic adjustment mechanism;
FIG. 3 is a schematic view of the internal structure of the stirring shaft;
FIG. 4 is a schematic view of a brush temperature collection device;
fig. 5a is a front view of the blade structure. Figure 5b is a side view of the blade structure.
Fig. 6 is a schematic view of a retractable viscosity detection structure.
FIG. 7 is a schematic diagram of the ratio of the structure of the tank wall and the position of the production.
FIG. 8 is a schematic view of the flow direction in the tank during clockwise rotation.
FIG. 9 is a schematic view of the flow in the tank during counterclockwise rotation.
Fig. 10 is a schematic view of a temperature measurement point.
Detailed Description
The invention is further described below with reference to the accompanying drawings and two examples.
Example one
When the yield is 100%, the materials enter the reaction kettle from the feed inlet (6), the heat conduction oil enters the jacket through the heat conduction oil inlet and flows out of the jacket through the heat conduction oil outlet, and the preheating of the materials in the reaction kettle is realized.
Starting stirring, the stirring shaft rotates anticlockwise, and materials form axial flow close to the stirring shaft under the action of the spiral section (31) at the upper part of the stirring paddle. The axial flow of the material in the area is mainly downward axial flow, so that the problem that a large number of dead zones exist at the position close to the stirring shaft of the large-diameter blade is solved. The material forms axial flow close to the position of the stirring shaft under the action of the bottom reverse spiral section (34), the axial flow of the material in the region is mainly upward axial flow, and the problem that a large number of dead zones exist at the bottom of the stirring shaft by the blades is greatly reduced. Under the stirring and scraping action of the conical wall scraping stirring section (32), the materials adhered to the conical kettle wall slide down to the stirring radial mixing section (33) to realize high-efficiency mixing and cracking. The materials are conveyed to the stirring radial mixing section (33) under the action of the upper spiral section (31) and the bottom reverse spiral section (34), and the materials are stirred and mixed efficiently in the radial mixing section.
The temperature in the reaction vessel during the reaction is measured by a temperature sensor (29), and the viscosity is measured by a viscometer (19).
After mixing and cracking, the stirring shaft rotates clockwise, the materials flow out through a discharge valve (20),
example two
When the yield is 20%, the material volume is 6L, the heat conduction oil in the material enters the reaction kettle from the feed inlet (6), enters the jacket through the heat conduction oil inlet, and flows out of the jacket through the heat conduction oil outlet, so that the preheating of the material in the reaction kettle is realized. The stirring shaft rotates anticlockwise, materials can only reach the L/4 position of the kettle wall at the moment, the materials can still be effectively stirred and mixed under the action of the spiral-cone power type stirring paddle structure, and the main motion of the stirring shaft is up-and-down tumbling motion under the action of a bottom reverse spiral section (34) and wall shearing along the stirring action of a conical wall scraping stirring section (32).
The temperature in the reaction kettle is obtained by measuring through a temperature sensor (29) in the reaction process, at the moment, the temperature sensor (29) can still measure the temperature of the central position of the material because the height of the stirring shaft (8) is reduced, the data in the temperature sensor (29) is transmitted to a contact (24) through a data transmission line (26), then is transmitted into a data receiving brush ring (23) through the contact (24), the data is transmitted into the data transmitting brush ring (24) through the data receiving brush ring (23), and the viscosity is obtained by measuring through a viscometer (19), because the kettle wall is the power function cross section kettle wall (18), the viscosity of 6L materials can be measured all the time by the mounting position of the viscometer (19), the problem of variable volume monitoring viscosity is solved, and the viscosity of the materials with smaller volume can be detected by the viscometer (19) under the telescopic control quantity of the telescopic viscosity detection structure of 0-30 mm.
After the reaction is finished, the stirring shaft rotates clockwise, and the material flows out from the discharge valve (20) in an accelerated manner.

Claims (6)

1. A synthetic cracking reaction kettle equipment capable of adaptively adjusting material viscosity and yield change is characterized in that: the device comprises a conical power type kettle wall structure, a dynamic adjusting mechanism, an electric brush temperature acquisition device, a spiral-conical power type stirring paddle structure and a telescopic viscosity detection structure;
the cone power type kettle wall structure comprises: the device comprises a feed inlet (9), an upper seal head (10), an upper kettle opening flange (11), a lower kettle opening flange (12), a spiral-cone power type stirring paddle (13), a heat-conducting oil outlet (14), a sealing gasket (15), a conical kettle wall (16), a jacket (17), a power function curved kettle wall (18), a viscometer (19), a discharge valve (20) and a heat-conducting oil inlet (21);
the spiral-cone power type stirring paddle structure comprises: the stirring device is divided into four parts, namely an upper spiral section (31), a conical wall scraping stirring section (32), a stirring radial mixing section (33) and a bottom spiral section (34);
the dynamic adjustment mechanism includes: the device comprises a stirring motor (1), a first coupler (2), a gear reduction box (3), a second coupler (4), a hydraulic cylinder (5), a sliding seal (6), a motor support (7), a stirring shaft (8) and a spiral-cone power type stirring paddle (13);
the electric brush temperature acquisition device is characterized in that: the stirring shaft (8), the upper-section solid stirring shaft (22), the data receiving brush ring (23), the contact (24), the data transmission brush ring (25), the data transmission line (26), the positioning screw thread (27), the lower-section hollow stirring shaft (28), the temperature sensor (29) and the seal (30);
retractable viscosity detects structure includes: the viscosity detection device comprises a viscosity detection probe (35), a viscometer extending section (36), a sliding seal (37), a telescopic limiting section (38), a tubular taper thread (39), a transmission connecting section (40), a viscometer junction box (41) and a telescopic control hydraulic plunger (42);
the stirring motor (1) is connected with the gear reduction box (3) through a first coupler (2), an output shaft of the gear reduction box (3) is connected with the stirring shaft (8) through a second coupler (4), the stirring shaft (8) is connected with the motor support (7) through a sliding seal (6), and the lower end of the stirring shaft (8) is provided with a spiral-conical power type stirring paddle (13); the stirring shaft (8) is a hollow shaft, a temperature sensor (29) is arranged in the shaft, and the temperature sensor (29) completes temperature acquisition and transmission through a data receiving brush ring (23), a contact (24), a data transmission brush ring (25) and a data transmission line (26); the upper end of the hydraulic cylinder (5) is connected with the gear reduction box (3), the lower end of the hydraulic cylinder (5) is connected with the motor support (7), the sliding seal (6) is fixed on the motor support (7), and the motor support (7) is fixed with the upper end enclosure (10); the feeding port (9) is fixed on an upper seal head (10), the upper seal head (10) is connected with a power function section kettle wall (16) through a kettle mouth flange (11), a jacket (17) is arranged outside the power function section kettle wall (16), a heat conduction oil outlet (14) is arranged above the jacket (17), and a heat conduction oil inlet (21) is arranged below the jacket (17); the discharge port (20) is arranged right below the kettle wall (18) with the power function section through the jacket (17), and the viscometer (19) is obliquely arranged on one side of the kettle wall (18) with the power function section through the jacket (17) and forms an included angle of 17-19 degrees with the horizontal direction.
2. The apparatus of claim 1, wherein the conical power reactor wall structure is: an upper end enclosure (10) is welded with an upper kettle mouth flange (11), the upper kettle mouth flange (11) and a lower kettle mouth flange (12) are respectively connected with the upper surface and the lower surface of a sealing washer (15), the lower kettle mouth flange (12) is welded with a conical kettle wall (16), the lower end of the conical kettle wall (16) is welded with the upper end of a power function curved surface kettle wall (18), the outline of the power function curved surface kettle wall (18) is matched with a formula,
y2x/128 … … … … … … … … … … equation 1
The included angle between the conical kettle wall (16) and the vertical direction is 15-18 degrees, and the height of the power function curved surface kettle wall (18) is 1/4 of the total height L of the kettle wall.
3. A synthetic cracking reactor apparatus adaptive to material viscosity and yield variation according to claim 1, characterized in that the screw-cone power type stirring paddle structure comprises an upper screw section (31), a cone wall scraping stirring section (32), a stirring radial mixing section (33), and a bottom screw section (34); the upper spiral section (31) is of a conical spiral structure, the spiral angle is 20-25 degrees, the spiral outer diameter at the initial position is the largest, the spiral at the final position is the smallest, and the taper is 1:45-1: 50; the initial height position is the same as the highest height position of the conical kettle wall, the length is 0.9-0.95 times of the total height of the kettle wall, and the maximum outer diameter is 3.5-4 times of the outer diameter of the stirring shaft (8); the length of the conical wall scraping stirring section (32) is 0.3-0.4 times of the length of the stirring shaft (8), and an included angle between the conical wall scraping stirring section (32) and the vertical direction is 15-18 degrees; the stirring radial mixing section (33) is a power function, the outer diameter profile is matched with the formula 2,
y2x/144 … … … … … … … … … … equation 2
The length of the stirring radial mixing section (33) is 0.1-0.15 times of the length of the stirring shaft (8); the conical bottom spiral section (34) is of a conical thread structure, the rotating direction is opposite to that of the upper spiral, the bottom spiral section (34) starts from the lower end of the stirring radial mixing section (33), the length of the bottom spiral section (34) is 0.1-0.15 times of the length of the stirring shaft (8), the spiral angle is 20-25 degrees, the outer diameter of the starting position of the bottom spiral section (34) is the minimum, the maximum outer diameter of the bottom spiral section (34) is 2-2.5 times of the diameter of the stirring shaft, and the taper of the bottom spiral section (34) is 1:10-1: 15.
4. The apparatus of claim 1, wherein the dynamic stirring adjustment mechanism comprises: the motor (1) is connected with the gear reduction box (3) through the first coupler (2), the gear reduction box (3) is connected with the stirring shaft (8) through the second coupler (4), the hydraulic cylinder (5) is fixed between the gear reduction box (3) and the motor support (7), the stirring shaft (8) is matched with the motor support (7) through the sliding seal (6) to form a shaft seal, and the vertical direction of the dynamic adjusting mechanism is provided with an adjustable range of 0-100 mm.
5. The apparatus of claim 1, wherein 4-5 thermal resistors are disposed on the stirring shaft (8), and the detection signal is transmitted through the electric brush temperature acquisition device, and the apparatus has a structure that: the upper section of the solid stirring shaft (22) is connected with a data receiving electric brush ring (23) through a sealing pipe thread, the data receiving electric brush ring (23) is connected with a lower section of the hollow stirring shaft (28) through a sealing pipe thread, the length of the lower section of the hollow stirring shaft (28) is 0.8-0.9 times of the total length of the stirring shaft (8), and the inner diameter of the hollow part is 0.5-0.6 times of the radius of the stirring shaft (8); install temperature sensor (29) in lower segment hollow stirring shaft (28), temperature sensor (29) lower extreme passes through seal structure (30) and lower segment hollow stirring shaft (28) cooperation, it is fixed that location screw thread (27) are passed through to temperature sensor (29) upper end, be connected through data line (26) between temperature sensor (29) and the contact, data transmit to contact (24) through data transmission line (26) in temperature sensor (29), data receipt brush ring (23) are passed into in rethread contact (24), data transmit data brush ring (24) are passed into through data receipt brush ring (23) again, data transmission brush ring (24) link together with gear reduction box (3).
6. The apparatus of claim 1, wherein the retractable viscosity detection structure comprises: the viscosity detection probe (35) is connected with a viscometer extension section (36) and extends into the reaction kettle body, the viscometer extension section (36) is connected with a telescopic limiting section (38) through a sliding seal (37), the telescopic limiting section (38) is connected with a transmission connection section (40), the telescopic limiting section (38) and the transmission connection section (40) are matched and fixed with a tubular taper thread (39), the lower part of the length position of the transmission connection section (40)1/2 is connected with a viscometer junction box (41), the rear end of the transmission connection section (40) is connected with a telescopic control hydraulic plunger (42), and the telescopic control hydraulic plunger (42) has a telescopic control quantity of 0-30 mm.
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