TWM633770U - Cracking reaction device with molten salt heating structure - Google Patents

Abstract

The new model relates to a pyrolysis reaction device with a molten salt heating structure, which includes a cracking furnace, a stirring piece arranged inside the cracking furnace, and a power assembly for driving the stirring piece to rotate; the cracking furnace includes an inner shell sequentially from the inside to the outside body, a corrosion-resistant casing, a thermal insulation casing and an outer casing, a molten salt storage chamber is left between the corrosion-resistant casing and the outer wall of the inner casing; a molten salt storage sphere is arranged inside the inner casing cavity, The upper and lower ends of the molten salt storage sphere are connected with a molten salt storage pipeline. The new type is used to store the heated molten salt by setting a molten salt storage chamber, a molten salt storage pipeline and a molten salt storage sphere, and the heat of the heated molten salt can be transferred to the material, so that the material is evenly heated and cracked inside the inner shell , to avoid coking of the material inside the inner casing.

Description

A cracking reaction device with molten salt heating structure

The invention belongs to the technical field of plastic cracking, in particular to a cracking reaction device with a molten salt heating structure.

In the prior art, the heating structure of the cracking furnace used for heating and cracking plastic materials mostly adopts fixed-point or fixed-area heating, and the temperature of the inner wall of the entire cracking furnace will have a difference. The material is easily coked during thermal cracking, and the interior of the cracking furnace is easily damaged after long-term use. Therefore, a cracking reaction device with a molten salt heating structure is designed to solve the above problems.

The purpose of this model is to provide a cracking reaction device with a molten salt heating structure with a simple structure and a reasonable design in order to solve the above problems.

The present invention realizes above-mentioned purpose through following technical scheme:

A cracking reaction device with a molten salt heating structure, comprising a cracking furnace, a stirring member arranged inside the cracking furnace, and a power assembly for driving the stirring member to rotate; The cracking furnace shell sequentially includes an inner shell, an anti-corrosion shell, an insulating shell and an outer shell from the inside to the outside, and a molten salt storage chamber is left between the anti-corrosion shell and the outer wall of the inner shell; A molten salt storage sphere is provided inside the cavity of the inner shell, and the upper and lower ends of the molten salt storage sphere are connected with molten salt storage pipes, and the molten salt storage pipe at the upper end of the molten salt storage sphere extends out of the outer shell, and the molten salt storage sphere is connected to the outer shell. The molten salt storage pipe at the lower end of the salt storage sphere is trifurcated and extends into the molten salt storage chamber; The cracking furnace is provided with a molten salt input pipeline and a molten salt discharge pipeline in communication with the molten salt storage chamber.

Further, the upper and lower ends of the molten salt storage pipeline are both covered with insulation pipelines.

Further, the agitating member includes a plurality of agitating frames arranged inside the inner casing, the outer walls of the insulation pipes at the upper and lower ends of the molten salt storage pipeline are connected to the connecting cylinder through bearings, and the agitating frames are connected to the connecting cylinder through the connecting plate. cylinder connected.

Further, the shape of the stirring frame near the molten salt storage pipeline and the molten salt storage sphere is designed according to the shapes of the molten salt storage pipeline and the molten salt storage sphere.

Further, the power element includes a motor, a pulley sleeved on the output shaft of the motor and the outer wall of the connecting cylinder, and a belt for connecting the two pulleys, the bottom of the output shaft of the motor is connected to the mounting seat through a bearing, and the The mounting base is installed on the top of the cracking furnace, and the fuselage of the motor is fixedly connected with the mounting base.

Further, the cracking furnace is provided with a material input pipe and a slag discharge pipe communicating with the inner cavity of the inner casing.

Further, a plurality of support rods are installed on the outer wall of the cracking furnace, and a bottom support base is installed on the bottom of the support rods.

The beneficial effects of the present invention are: The heat of the heated molten salt can be transferred to the material by setting the molten salt storage chamber, the molten salt storage pipeline and the molten salt storage sphere to store the heated molten salt, and a stirring member for stirring the material is provided to make the material inside The inside of the shell is evenly heated and cracked to avoid coking of the material inside the inner shell.

The application will be described in further detail below in conjunction with the accompanying drawings. It is necessary to point out that the following specific embodiments are only used to further illustrate the application and cannot be interpreted as limiting the scope of protection of the application. The above application content makes some non-essential improvements and adjustments to this application.

As shown in Fig. 1 to Fig. 4, a kind of cracking reaction device with molten salt heating structure comprises cracking furnace 1, the stirrer that is located at cracker 1 inside and is used to drive the power assembly that stirrer rotates;

The shell of the cracking furnace 1 includes an inner shell 105, an anti-corrosion shell 103, an insulating shell 102 and an outer shell 101 from the inside to the outside. Salt storage cavity 104, there is a molten salt storage cavity 104 between the anti-corrosion shell 103 and the outer wall of the inner shell 105, the thermal insulation shell 102 is for heat preservation, and the corrosion-resistant shell 103 is in direct contact with the molten salt. In this embodiment, the anti-corrosion shell 103 is made of MA956 alloy material, but not limited to this material, it can protect the heat-insulating shell 102 and resist corrosion;

The inner cavity of the inner housing 105 is provided with a molten salt storage sphere 3, and the upper and lower ends of the molten salt storage sphere 3 are connected with a molten salt storage pipeline 2, and the molten salt storage pipeline 2 at the upper end of the molten salt storage sphere 3 extends Out of the outer casing 101, the molten salt storage pipe 2 at the lower end of the molten salt storage sphere 3 is trident-shaped and extends into the molten salt storage chamber 104, and the molten salt storage pipe 2 and the molten salt storage sphere 3 are arranged in the inner casing 105 In the cavity, the heated molten salt is transported into the molten salt storage pipe 2 and the molten salt storage sphere 3, and the heat of the molten salt can be transferred to the material through the molten salt storage pipe 2 and the molten salt storage sphere 3, so that the material can be replaced For thermal cracking, the molten salt storage pipeline 2 is connected to the molten salt storage chamber 104, and the molten salts also flow mutually, so that the temperature can be kept as consistent as possible;

The cracking furnace 1 is provided with a molten salt input pipeline 5 and a molten salt discharge pipeline 6 communicating with the molten salt storage chamber 104, the molten salt input pipeline 5 is used to transport molten salt, and the molten salt discharge pipeline 6 is used to discharge molten salt.

Further, the upper and lower ends of the molten salt storage pipeline 2 are provided with insulation pipelines 4, which can play a role of heat preservation and reduce heat loss.

In this embodiment, the agitating member includes a plurality of agitating frames 7 arranged inside the inner casing 105, and the outer walls of the heat preservation pipeline 4 at the upper and lower ends of the molten salt storage pipeline 2 are connected to the connecting cylinder 9 through bearing rotation, so The stirring frame 7 is connected with the connecting cylinder 9 through the connecting plate 8, the stirring frame 7 is used for stirring materials, the connecting plate 8 is used for connecting the stirring frame 7 and the connecting cylinder 9, and the connecting cylinder 9 is rotationally connected with the heat preservation pipeline 4. Driven by the power element, it is easy to rotate and has good stability.

Preferably, the shape of the stirring frame 7 near the molten salt storage pipeline 2 and the molten salt storage sphere 3 is designed according to the shapes of the molten salt storage pipeline 2 and the molten salt storage sphere 3, through which the sticky The material attached to the molten salt storage pipeline 2 and the outer wall of the molten salt storage sphere 3 is scraped off to avoid coking.

In this embodiment, the power element includes a motor 10, a pulley 11 sleeved on the output shaft of the motor 10 and the outer wall of the connecting cylinder 9, and a belt 12 for connecting the two pulleys 11. The bottom of the output shaft of the motor 10 penetrates Bearing rotation is connected with mount 13, and described mount 13 is installed on cracking furnace 1 top, and the fuselage of described motor 10 is fixedly connected with mount 13, and motor 10 work can drive the pulley 11 that is sleeved on the output shaft of motor 10 Rotate, the rotation of the pulley 11 will drive the transmission of the belt 12, and the transmission of the belt 12 will drive another pulley 11 and the connecting cylinder 9 to rotate, thereby driving the connecting plate 8 and the stirring frame 7 connected to the connecting cylinder 9 to rotate, and the stirring frame 7 will rotate. The material inside the inner casing 105 can be stirred so that the material is fully heated.

In this embodiment, the cracking furnace 1 is provided with a material input pipeline 14 and a slag discharge pipeline 15 that communicate with the inner cavity of the inner casing 105, and the material input pipeline 14 is used to transport materials into the inner casing 105. , The slag discharge pipe 15 is used to discharge the slag inside the inner casing 105 .

In this embodiment, a plurality of support rods 16 are installed on the outer wall of the cracking furnace 1 , and a bottom support base 17 is installed on the bottom of the support rods 16 , and the cracking furnace 1 is supported through the support rods 16 and the bottom support base 17 .

The specific implementation of the present application is as follows: the material is transported to the interior of the inner shell 105 through the material input pipeline 14, and the heated molten salt is transported to the interior of the molten salt storage chamber 104 through the molten salt input pipeline 5, and the molten salt is transported through the molten salt storage pipeline. 2. Transport the heated molten salt to the inside of the molten salt storage pipe 2 and the molten salt storage sphere 3. The molten salt inside the molten salt storage chamber 104 transfers heat to the material through the inner shell 105. The molten salt storage pipe 2 and the molten salt The molten salt inside the storage sphere 3 transfers heat to the material through the molten salt storage pipe 2 and the molten salt storage sphere 3, and the molten salt storage pipe 2 and the molten salt storage sphere 3 are connected with the molten salt storage chamber 104, so the molten salt is also in circulation Yes, the consistency of the temperature at each position can be kept as much as possible, so that the material undergoes a cracking reaction during the uniform heating process. When the heating cracks, the motor 10 needs to be started, and the motor 10 will drive the output shaft sleeved on the motor 10. The pulley 11 on the top rotates, and the rotation of the pulley 11 will drive the transmission of the belt 12, and the transmission of the belt 12 drives the rotation of another pulley 11 and the connecting cylinder 9, thereby driving the connecting plate 8 and the stirring frame 7 connected with the connecting cylinder 9 to rotate, stirring When the frame 7 rotates, the materials inside the inner housing 105 can be stirred, so that the materials are fully heated. The material is scraped off to avoid coking. The new model is used to store the heated molten salt by setting the molten salt storage chamber 104, the molten salt storage pipe 2 and the molten salt storage sphere 3. The heat of the heated molten salt can be transferred to the material. And a stirring member for stirring the material is provided, so that the material is evenly heated and cracked inside the inner casing 105 to avoid coking of the material inside the inner casing 105 .

The above-mentioned embodiments only express several implementation modes of the present invention, and the description thereof is relatively specific and detailed, but it should not be construed as limiting the patent scope of the present invention. It should be noted that, for those skilled in the art, multiple modifications and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention.

1: cracking furnace 101: Outer shell 102: insulation shell 103: Anti-corrosion shell 104: molten salt storage chamber 105: Inner shell 2: molten salt storage pipeline 3: Molten Salt Storage Sphere 4: Insulation pipe 5: Molten salt input pipeline 6: Molten salt discharge pipe 7: Stirring box 8: Connecting board 9: Connection cylinder 10: Motor 11: pulley 12: belt 13: Mounting seat 14: Material input pipeline 15: Slag discharge pipe 16: support rod 17: Bottom support seat

Fig. 1 is a schematic diagram of the overall structure of the present invention. Fig. 2 is a schematic cross-sectional structure diagram of the new cracking furnace. Fig. 3 is a front view of the new molten salt storage pipeline, molten salt storage sphere and thermal insulation pipeline. Fig. 4 is a front view of the stirring frame, connecting plate and connecting cylinder of the present invention.

1: cracking furnace

4: Insulation pipe

5: Molten salt input pipeline

6: Molten salt discharge pipe

9: Connection cylinder

10: Motor

11: pulley

12: belt

13: Mounting seat

14: Material input pipeline

15: Slag discharge pipe

16: support rod

17: Bottom support seat

Claims (7)

A cracking reaction device with a molten salt heating structure, which includes: a cracking furnace, a stirrer installed inside the cracking furnace, and a power assembly for driving the stirrer to rotate; the shell of the cracking furnace is from the inside to the outside It includes an inner shell, an anti-corrosion shell, a thermal insulation shell and an outer shell in turn, a molten salt storage chamber is left between the anti-corrosion shell and the outer wall of the inner shell; the inner cavity of the inner shell is provided with a A molten salt storage sphere, the upper and lower ends of the molten salt storage sphere are connected with a molten salt storage pipe, the molten salt storage pipe at the upper end of the molten salt storage sphere extends out of the outer casing, and the molten salt storage pipe at the lower end of the molten salt storage sphere The pipe is trident and extends into the molten salt storage chamber; and the cracking furnace is provided with a molten salt input pipe and a molten salt discharge pipe connected with the molten salt storage chamber. As for the pyrolysis reaction device with molten salt heating structure described in Claim 1, the upper and lower ends of the molten salt storage pipeline are both sleeved with an insulation pipeline. As for the pyrolysis reaction device with molten salt heating structure described in claim 2, the stirring member includes a plurality of stirring frames arranged inside the inner shell, and the outer walls of the heat preservation pipe at the upper and lower ends of the molten salt storage pipe pass through bearings A connecting cylinder is connected in rotation, and the stirring frame is connected with the connecting cylinder through a connecting plate. According to the cracking reaction device with molten salt heating structure described in claim 3, the shape of the side of the stirring frame close to the molten salt storage pipeline and the molten salt storage sphere depends on the distance between the molten salt storage pipeline and the molten salt storage sphere shape to design. As the cracking reaction device with molten salt heating structure described in claim 3, the power element includes a motor, two pulleys sleeved on the output shaft of the motor and the outer wall of the connecting cylinder, to And a belt for connecting two pulleys, the bottom of the output shaft of the motor is rotatably connected to a mounting base through a bearing, the mounting base is installed on the top of the cracking furnace, and the fuselage of the motor is fixedly connected with the mounting base. As for the pyrolysis reaction device with molten salt heating structure described in Claim 1, a material input pipe and a slag discharge pipe communicated with the inner cavity of the inner shell are provided on the pyrolysis furnace. As for the pyrolysis reaction device with molten salt heating structure described in claim 1, a plurality of support rods are installed on the outer wall of the cracking furnace, and a bottom support seat is installed at the bottom of the support rods.

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