Reaction equipment for preparing aromatic hydrocarbon oil from liquefied gas

Abstract

The invention discloses reaction equipment for preparing aromatic hydrocarbon oil from liquefied gas, and relates to the technical field of chemical reactors, the reaction equipment comprises a reaction unit, a displacement unit, a limiting part arranged on a feeding pipe, a rotating part rotationally arranged on the limiting part, and a displacement part slidably arranged on the rotating part; and the disturbance unit comprises a mounting part arranged on the displacement part, a disturbance part arranged on the mounting part and a catalysis part. According to the reaction equipment for preparing the aromatic hydrocarbon oil from the liquefied gas, the displacement unit and the disturbance unit are arranged, the disturbance disc arranged on the disturbance unit is used for disturbing the surface of the reaction unit close to the catalysis part, the contact degree of molecules and a catalyst in the reaction bin is increased, and the displacement unit is used for driving the catalysis part to move in the reaction bin; therefore, the wall flow effect generated by the catalyst on the side wall of the reaction container and reactants is reduced, the thoroughness of the catalytic cracking reaction is ensured, and the reduction of the purity of the final product is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of chemical reactors, and in particular to a reaction device for producing aromatic hydrocarbon oil from liquefied petroleum gas. Background Art

[0002] The reaction process of producing aromatic hydrocarbon oil from liquefied petroleum gas mainly includes cracking, oligomerization, cyclization and dehydrogenation. At the same time, in the reaction process of producing aromatic hydrocarbon oil from liquefied petroleum gas, the catalyst plays a crucial role. In the reactor, the raw material liquefied petroleum gas of aromatic hydrocarbon oil is heated and contacts with the catalyst. The catalyst adsorbs and dissociates the raw material molecules, promoting the cracking reaction to occur.

[0003] Generally, in the reaction process of producing aromatic hydrocarbon oil from liquefied petroleum gas, molecular sieve catalysts are used. The contact area between the molecular sieve and the raw materials, as well as its bed layer distribution inside the reaction vessel, affect the production quality of aromatic hydrocarbon oil. When liquid or gas materials flow through the equipment, due to the action of various factors such as flow rate, pressure, and temperature, wall flow phenomena with relatively high local concentration or flow rate are formed near the equipment wall. This phenomenon easily leads to a shortened contact time between the raw materials of aromatic hydrocarbon oil and the catalyst, and a decrease in the purity of the end product. Summary of the Invention

[0004] In view of the problems existing in the above-mentioned existing reaction devices for producing aromatic hydrocarbon oil from liquefied petroleum gas, the present invention is proposed.

[0005] Therefore, the present invention provides a reaction device for producing aromatic hydrocarbon oil from liquefied petroleum gas, and its purpose is to solve the technical problem that when liquid or gas materials flow through the equipment, due to the action of various factors such as flow rate, pressure, and temperature, wall flow phenomena with relatively high local concentration or flow rate are formed near the equipment wall. This phenomenon easily leads to a shortened contact time between the raw materials of aromatic hydrocarbon oil and the catalyst, and a decrease in the purity of the end product.

[0006] To solve the above technical problems, the present invention provides the following technical solution: A reaction device for producing aromatic hydrocarbon oil from liquefied petroleum gas, comprising a reaction unit, a displacement unit and a disturbance unit.

[0007] Among them, the reaction unit includes a feed pipe, a reaction chamber provided on the feed pipe, and a pressure-controlled discharge pipe provided on the reaction chamber; the displacement unit includes a limiting portion provided on the feed pipe, a rotating portion rotatably provided on the limiting portion, and a displacement portion slidably provided on the rotating portion; the disturbance unit includes a mounting portion provided on the displacement portion, a disturbance portion provided on the mounting portion, and a catalytic portion provided on the mounting portion and located between multiple groups of the disturbance portions.

[0008] As a preferred embodiment of the reaction device for producing aromatic hydrocarbons from liquefied gas according to the present invention, wherein: the limiting portion includes an upper limiting seat provided on the reaction chamber and a lower limiting seat provided on the reaction chamber; The rotating portion includes a rotating block rotatably provided on the upper limiting seat and the lower limiting seat, and a displacement rail provided on the rotating block; the displacement portion includes an adsorbing member provided at one end of the displacement rail and a displacement member slidably provided on the displacement rail.

[0009] As a preferred embodiment of the reaction device for producing aromatic hydrocarbons from liquefied gas according to the present invention, wherein: the adsorbing member includes an adsorption seat mounting rod provided at one end of the displacement rail, an adsorption seat provided on the adsorption seat mounting rod, and an electromagnet module provided on the adsorption seat; the displacement member includes a sliding rod slidably provided on the displacement rail and a magnetic seat provided on the sliding rod.

[0010] As a preferred embodiment of the reaction device for producing aromatic hydrocarbons from liquefied gas according to the present invention, wherein: a rotation guiding groove is provided on the upper limiting seat, and the rotating block is rotatably provided on the rotation guiding groove; a sliding guiding groove is provided on the displacement rail, and the sliding rod is slidably provided on the sliding guiding groove.

[0011] As a preferred embodiment of the reaction device for producing aromatic hydrocarbons from liquefied gas according to the present invention, wherein: the mounting portion includes a connecting seat provided on the magnetic seat, a propelling member provided on the connecting seat, a disturbing disc mounting seat provided on the propelling member, and a guiding frame provided on the disturbing disc mounting seat; the disturbing portion includes a connecting rod assembly provided on the disturbing disc mounting seat, an upper disturbing disc provided on the connecting rod assembly, a linkage assembly connected to the upper disturbing disc and located on the guiding frame, and a lower disturbing disc provided on the linkage assembly.

[0012] As a preferred embodiment of the reaction device for producing aromatic hydrocarbons from liquefied gas according to the present invention, wherein: the propelling member includes a propelling rod provided between the connecting seat and the disturbing disc mounting seat, and a propelling spring sleeved on the propelling rod; the disturbing disc mounting seat includes an upper disturbing disc mounting seat provided with the upper disturbing disc and a lower disturbing disc mounting seat provided with the lower disturbing disc.

[0013] As a preferred embodiment of the reaction device for producing aromatic hydrocarbon oil from liquefied gas according to the present invention, wherein: the connecting rod assembly includes a rotating rod rotatably arranged on the upper disturbance disk mounting seat, an upper disturbance disk rotating seat rotatably connected to the rotating rod, arranged on the upper disturbance disk mounting seat, and having the upper disturbance disk rotatably arranged thereon, and a connecting rod with one end rotatably arranged on the upper disturbance disk and the other end rotatably arranged on the lower disturbance disk; the linkage assembly includes a linkage frame rotatably connected to the connecting rod and rotatably arranged on the lower disturbance disk mounting seat, a first linkage gear rotatably arranged on the linkage frame, a large gear rotatably arranged on the linkage frame and meshed with the first linkage gear, a second linkage gear rotatably arranged on the linkage frame and meshed with the large gear, a sliding gear slidably arranged relative to the guide frame and meshed with the second linkage gear, and multiple groups of third linkage gears rotatably arranged on the guide frame and meshed with the sliding gear.

[0014] As a preferred embodiment of the reaction device for producing aromatic hydrocarbon oil from liquefied gas according to the present invention, wherein: a first rotating seat rotatably connected to the rotating rod is arranged on the upper disturbance disk mounting seat; a second rotating seat rotatably connected to the linkage frame is arranged on the lower disturbance disk mounting seat.

[0015] As a preferred embodiment of the reaction device for producing aromatic hydrocarbon oil from liquefied gas according to the present invention, wherein: the catalytic part includes a molecular sieve bin cover arranged on the lower disturbance disk mounting seat and located between multiple groups of the guide frames, and a molecular sieve bin detachably arranged on the molecular sieve bin cover; catalytic through holes are arranged on the molecular sieve bin.

[0016] The beneficial effects of the present invention: By arranging a displacement unit and a disturbance unit, the disturbance disk arranged on the disturbance unit is used to disturb the surface of the reaction unit close to the catalytic part, improving the contact degree between molecules and the catalyst in the reaction chamber and prolonging the contact time. At the same time, the displacement unit is used to drive the catalytic part provided with catalytic molecular sieves to displace inside the reaction chamber, thereby reducing the wall flow effect generated by the catalyst and the reactants on the side wall of the reaction container, thus ensuring the thoroughness of the catalytic cracking reaction and avoiding the decrease in the purity of the end product. Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0018] Figure 1 It is a schematic diagram of the overall structure of the reaction device for producing aromatic hydrocarbon oil from liquefied gas according to the present invention.

[0019] Figure 2 This is a cross-sectional view of the reaction chamber, which is the reaction equipment for producing aromatic hydrocarbon oil from liquefied gas in the present invention.

[0020] Figure 3 This is a cross-sectional view of the feed pipe, which is the reaction equipment for producing aromatic hydrocarbon oil from liquefied gas in the present invention.

[0021] Figure 4 This is a schematic structural view of the displacement unit of the reaction equipment for producing aromatic hydrocarbon oil from liquefied gas in the present invention.

[0022] Figure 5 This is a schematic structural view of the perturbation unit of the reaction equipment for producing aromatic hydrocarbon oil from liquefied gas in the present invention.

[0023] Figure 6 This is a top view of the perturbation unit of the reaction equipment for producing aromatic hydrocarbon oil from liquefied gas in the present invention.

[0024] Figure 7 This is a schematic structural view of the installation part in the perturbation unit of the reaction equipment for producing aromatic hydrocarbon oil from liquefied gas in the present invention.

[0025] Explanation of reference numerals: 100, reaction unit; 101, feed pipe; 102, reaction chamber; 103, pressure-controlled discharge pipe; 200, displacement unit; 201, limiting part; 201a, upper limit seat; 201a-1, sliding guide groove; 201b, lower limit seat; 202, rotating part; 202a, displacement rail; 202b, rotating block; 203, displacement part; 203a, adsorbing part; 203a-1, adsorption seat mounting rod; 203a-2, adsorption seat; 203a-3, electromagnet module; 203b, displacement member; 203b-1, sliding rod; 203b-2, magnetic seat; 300, perturbation unit; 301, installation part; 301a, connecting seat; 301b, pushing member; 301b-1, pushing rod; 301b-2, pushing spring; 301c, perturbation disc mounting seat; 301c-1, upper perturbation disc mounting seat; 301c-11, rotating seat one; 301c-2, lower perturbation disc mounting seat; 301c-21, rotating seat two; 301d, guide frame; 302, perturbation part; 302a, connecting rod assembly; 302a-1, upper perturbation disc rotating seat; 302a-2, rotating rod; 302a-3, connecting rod; 302b, upper perturbation disc; 302c, lower perturbation disc; 302d, linkage assembly; 302d-1, linkage gear one; 302d-2, linkage frame; 302d-3, large gear; 302d-4, linkage gear two; 302d-5, sliding gear; 302d-6, linkage gear three; 303, catalytic part; 303a, molecular sieve chamber cover; 303b, molecular sieve chamber; 303b-1, catalytic through hole. Detailed implementation manners

[0026] To make the above objects, features and advantages of the present invention more obvious and understandable, the following detailed description of the specific embodiments of the present invention will be given in conjunction with the accompanying drawings of the specification.

[0027] In the following description, many specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention may be practiced in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

[0028] Secondly, the so-called "one embodiment" or "embodiment" herein refers to a specific feature, structure or characteristic that may be included in at least one implementation manner of the present invention. The "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it an individual or selectively exclusive embodiment with other embodiments.

[0029] Furthermore, the present invention will be described in detail in conjunction with schematic diagrams. When detailing the embodiments of the present invention, for the convenience of description, the cross-sectional views showing the device structure will be enlarged locally out of the general proportion, and the schematic diagrams are only examples and should not limit the scope of protection of the present invention herein. In addition, in actual production, three-dimensional spatial dimensions including length, width and depth should be included.

[0030] Example 1, referring to Figures 1 - 3 , which is the first embodiment of the present invention, provides a reaction device for producing aromatic hydrocarbons from liquefied gas. This device includes a reaction device for producing aromatic hydrocarbons from liquefied gas, including a reaction unit 100, a displacement unit 200, and a perturbation unit 300.

[0031] Among them, the reaction unit 100 includes a feed pipe 101, a reaction chamber 102 provided on the feed pipe 101, and a pressure-controlled discharge pipe 103 provided on the reaction chamber 102; the material to be reacted passes through the feed pipe 101 and directly contacts the displacement unit 200 and the perturbation unit 300 provided in the feed pipe 101, and contacts the catalyst provided in the perturbation unit 300, and then undergoes a catalytic cracking reaction. Usually, in the reaction process of producing aromatic hydrocarbons from liquefied gas, a molecular sieve catalyst such as ZSM-5 zeolite molecular sieve is used. This catalyst has good sulfur and nitrogen resistance and can operate at a lower pressure, reducing the need for deep processing of raw materials.

[0032] The displacement unit 200 includes a limiting part 201 arranged on the feed pipe 101, a rotating part 202 rotatably arranged on the limiting part 201, and a displacement part 203 slidably arranged on the rotating part 202; the rotating part 202 can rotate relative to the limiting part 201, thereby further driving the displacement part 203 arranged on the rotating part 202 to rotate relative to the reaction unit 100, improving the disturbance effect of the disturbance unit 300 located on the displacement part 203 inside the reaction chamber 102 and on the reaction materials to be reacted inside the reaction chamber 102, thereby promoting the contact degree between the molecules and the catalyst in the reaction chamber, prolonging the contact time between the reactant molecules and the catalyst, and at the same time driving the catalytic molecular sieve to displace inside the reaction chamber 102 by using the displacement unit 200, thereby reducing the wall flow effect generated by the catalyst and the reactants on the side wall of the reaction chamber 102, realizing the maximization of the contact area between the catalyst and the reactants, thereby ensuring the thoroughness of the catalytic cracking reaction and avoiding the decrease in the purity of the end product.

[0033] The disturbance unit 300 includes a mounting part 301 arranged on the displacement part 203, a disturbance part 302 arranged on the mounting part 301, and a catalytic part 303 arranged on the mounting part 301 and located between multiple groups of disturbance parts 302. The catalyst required for the catalytic cracking reaction is arranged in the catalytic part 303, and the mounting part 301 arranged on the displacement part 203 drives the disturbance part 302 and the catalytic part 303 to move inside the reaction chamber 102, reducing the wall flow effect generated by the catalyst and the reactants on the side wall of the reaction chamber 102, realizing the maximization of the contact area between the catalyst and the reactants, thereby ensuring the thoroughness of the catalytic cracking reaction and avoiding the decrease in the purity of the end product.

[0034] During the use process, after the materials to be reacted pass through the feed pipe 101, they directly contact the displacement unit 200 and the disturbance unit 300 arranged in the feed pipe 101, and contact the catalyst arranged in the disturbance unit 300, and then a catalytic cracking reaction occurs. Usually, during the reaction of producing aromatic hydrocarbons from liquefied gas, molecular sieve catalysts are used, such as ZSM-5 zeolite molecular sieve. This catalyst has good sulfur and nitrogen resistance and can operate at a lower pressure, reducing the need for deep processing of raw materials. The rotating part 202 can rotate relative to the limiting part 201, driving the displacement part 203 to rotate relative to the reaction unit 100, improving the disturbance effect of the disturbance unit 300 inside the reaction chamber 102 and on the materials to be reacted located inside the reaction chamber 102, thereby promoting the contact degree between the molecules and the catalyst in the reaction chamber, prolonging the contact time between the reactant molecules and the catalyst. At the same time, the displacement unit 200 is used to drive the catalytic molecular sieve to displace inside the reaction chamber 102, and the catalyst required for the catalytic cracking reaction is arranged in the catalytic part 303. The mounting part 301 arranged on the displacement part 203 drives the disturbance part 302 and the catalytic part 303 to move inside the reaction chamber 102, thereby reducing the wall flow effect generated by the catalyst and the reactants on the side wall of the reaction chamber 102, maximizing the contact area between the catalyst and the reactants, ensuring the thoroughness of the catalytic cracking reaction, and avoiding the decrease in the purity of the end product.

[0035] Example 2, referring to Figures 1 - 7 , which is the second embodiment of the present invention. The difference between this embodiment and the first embodiment is that the limiting part 201 includes an upper limiting seat 201a arranged on the reaction chamber 102 and a lower limiting seat 201b arranged on the reaction chamber 102. The rotating part 202 and the displacement part 203 can displace between the upper limiting seat 201a and the lower limiting seat 201b. The rotating part 202 and the displacement part 203 can perform active displacement and can also perform passive displacement. The passive displacement means that the rotating part 202 and the displacement part 203 displace under the disturbance of the reaction materials. The active displacement means that a driving member is arranged to drive the rotation of the rotating part 202 and the displacement part 203.

[0036] Preferably, the rotating part 202 includes a rotating block 202b rotatably arranged on the upper limiting seat 201a and the lower limiting seat 201b, and a displacement rail 202a arranged on the rotating block 202b. The rotating part 202 and the displacement part 203 can displace between the upper limiting seat 201a and the lower limiting seat 201b driven by the displacement rail 202a.

[0037] Compared with Embodiment 1, further, the displacement part 203 includes an adsorbing member 203a disposed at one end of the displacement rail 202a, and a displacement member 203b slidably disposed on the displacement rail 202a. The active displacement is to set a driving member to drive the rotation part 202 and the displacement part 203 for displacement. In this embodiment, the adsorbing member 203a can be set as an electromagnet, and a magnetic structure is disposed on the displacement member 203b. When the staff activates the electromagnet, after the electromagnet is energized, it can adsorb the displacement member 203b, thereby driving the displacement member 203b to displace between the upper limit seat 201a and the lower limit seat 201b.

[0038] Preferably, the adsorbing member 203a includes an adsorption seat mounting rod 203a-1 disposed at one end of the displacement rail 202a, an adsorption seat 203a-2 disposed on the adsorption seat mounting rod 203a-1, and an electromagnet module 203a-3 disposed on the adsorption seat 203a-2. When the electromagnet module 203a-3 is activated, the electromagnet module 203a-3 drives the displacement member 203b to approach the adsorption seat 203a-2, and the physical phenomenon of opposite poles attracting each other occurs, and it will not affect the normal chemical reaction inside the reaction chamber 102. When the electromagnet module 203a-3 is turned off, the electromagnet module 203a-3 drives the displacement member 203b to move away from the adsorption seat 203a-2 under the drive of gravity or the fluid force of the reactants, thereby achieving the effect of driving the perturbation unit 300 to slide inside the reaction chamber 102.

[0039] Preferably, the displacement member 203b includes a sliding rod 203b-1 slidably disposed on the displacement rail 202a, and a magnetic seat 203b-2 disposed on the sliding rod 203b-1. The magnetic seat 203b-2 can slide inside the reaction chamber 102 under the action of the electromagnet module 203a-3.

[0040] Further, a rotation guiding groove 201a-1 is disposed on the upper limit seat 201a, and the rotation block 202b is rotatably disposed on the rotation guiding groove 201a-1. The setting of the rotation guiding groove 201a-1 can guide the rotation of the rotation guiding groove 201a-1 on the upper limit seat 201a.

[0041] Preferably, a sliding guiding groove 202a-1 is disposed on the displacement rail 202a, and the sliding rod 203b-1 is slidably disposed on the sliding guiding groove 202a-1. The setting of the sliding guiding groove 202a-1 can guide the sliding of the sliding rod 203b-1 on the displacement rail 202a.

[0042] Compared with Embodiment 1, further, the installation part 301 includes a connecting seat 301a arranged on the magnetic seat 203b-2, a propulsion member 301b arranged on the connecting seat 301a, a disturbance disk mounting seat 301c arranged on the propulsion member 301b, and a guide frame 301d arranged on the disturbance disk mounting seat 301c. Arranging the installation part 301 facilitates arranging the disturbance part 302 on the displacement unit 200.

[0043] Preferably, the disturbance part 302 includes a connecting rod assembly 302a arranged on the disturbance disk mounting seat 301c, an upper disturbance disk 302b arranged on the connecting rod assembly 302a, a linkage assembly 302d connected to the upper disturbance disk 302b and located on the guide frame 301d, and a lower disturbance disk 302c arranged on the linkage assembly 302d.

[0044] Further, the propulsion member 301b includes a propulsion rod 301b-1 arranged between the connecting seat 301a and the disturbance disk mounting seat 301c. The propulsion rod 301b-1 is slidably connected to the link seat 301a, and a propulsion spring 301b-2 is sleeved on the propulsion rod 301b-1. By arranging the propulsion member 301b, when the propulsion spring 301b-2 is in a static equilibrium state, a safety distance is ensured between the end of the disturbance disk mounting seat 301c closest to the connecting seat 301a and the connecting seat 301a. When feeding occurs at the feed pipe 101, a hydrodynamic force on the disturbance disk mounting seat 301c is generated, which then pushes the entire disturbance disk mounting seat 301c to move away from the connecting seat 301a, thereby driving the entire connecting rod assembly 302a, the upper disturbance disk 302b, and the lower disturbance disk 302c away from the installation part 301.

[0045] Preferably, the disturbance disk mounting seat 301c includes an upper disturbance disk mounting seat 301c-1 provided with the upper disturbance disk 302b and a lower disturbance disk mounting seat 301c-2 provided with the lower disturbance disk 302c.

[0046] Further, the connecting rod assembly 302a includes a rotating rod 302a-2 rotatably arranged on the upper disturbance disk mounting seat 301c-1, an upper disturbance disk rotating seat 302a-1 rotatably connected to the rotating rod 302a-2, arranged on the upper disturbance disk mounting seat 301c-1, and provided with the upper disturbance disk 302b rotatably, and a connecting rod 302a-3 with one end rotatably arranged on the upper disturbance disk 302b and the other end rotatably arranged on the lower disturbance disk 302c.

[0047] Preferably, the linkage assembly 302d includes a linkage frame 302d-2 rotatably connected to the link 302a-3 and rotatably disposed on the lower perturbation disk mounting seat 301c-2, a first linkage gear 302d-1 rotatably disposed on the linkage frame 302d-2, a large gear 302d-3 rotatably disposed on the linkage frame 302d-2 and meshed with the first linkage gear 302d-1, a second linkage gear 302d-4 rotatably disposed on the linkage frame 302d-2 and meshed with the large gear 302d-3, a sliding gear 302d-5 slidably disposed relative to the guide frame 301d and meshed with the second linkage gear 302d-4, and multiple groups of third linkage gears 302d-6 rotatably disposed on the guide frame 301d and meshed with the sliding gear 302d-5.

[0048] The setting of the linkage assembly 302d and the link assembly 302a can drive the positions of the upper perturbation disk 302b and the lower perturbation disk 302c to change relative to the mounting portion 301. When feeding occurs at the feed pipe 101, a hydrodynamic force on the perturbation disk mounting seat 301c is generated, which pushes the entire perturbation disk mounting seat 301c to move away from the connection seat 301a. Further, it drives the entire link assembly 302a, as well as the upper perturbation disk 302b and the lower perturbation disk 302c, away from the mounting portion 301, thereby enabling the catalytic portion 303 to enter the reaction chamber 102, increasing the contact area between the fluid and the catalytic portion 303. At the same time, the link assembly 302a connected to the upper perturbation disk 302b and the lower perturbation disk 302c will rotate on the perturbation disk mounting seat 301c, and the linkage frame 302d-2 in the linkage assembly 302d will also drive the sliding gear 302d-5 to mesh with multiple groups of third linkage gears 302d-6 located on the guide frame 301d, thus preventing the separation between the lower perturbation disk 302c and the mounting portion 301. When the propulsion spring 301b-2 maintains a static equilibrium state, under the action of the adsorbing member 203a, the catalytic portion 303 is located inside the feed pipe 101, preventing the catalytic portion 303 from being inside the reaction chamber 102 for a long time and reducing the activity of the catalyst.

[0049] Further, a first rotating seat 301c-11 rotatably connected to the rotating rod 302a-2 is provided on the upper perturbation disk mounting seat 301c-1; a second rotating seat 301c-21 rotatably connected to the linkage frame 302d-2 is provided on the lower perturbation disk mounting seat 301c-2. This facilitates the rotational connection between the link assembly 302a and the linkage assembly 302d and the mounting portion 301.

[0050] During the use process, after the material to be reacted passes through the feed pipe 101, it directly contacts the displacement unit 200 and the disturbance unit 300 arranged in the feed pipe 101, and contacts the catalyst arranged in the disturbance unit 300, and then a catalytic cracking reaction occurs. Usually, during the reaction of liquefied gas to aromatic hydrocarbon oil, a molecular sieve catalyst is used, such as ZSM-5 zeolite molecular sieve. This catalyst has good sulfur and nitrogen resistance and can operate at a lower pressure, reducing the need for deep processing of raw materials. The rotating part 202 can rotate relative to the limiting part 201, driving the displacement part 203 to rotate relative to the reaction unit 100, improving the disturbance effect of the disturbance unit 300 inside the reaction chamber 102 and on the material to be reacted located inside the reaction chamber 102, thereby promoting the contact degree between the molecules and the catalyst in the reaction chamber, extending the contact time between the reactant molecules and the catalyst. At the same time, the displacement unit 200 drives the catalytic molecular sieve to displace inside the reaction chamber 102, and the catalyst required for the catalytic cracking reaction is arranged in the catalytic part 303. The mounting part 301 arranged on the displacement part 203 drives the disturbance part 302 and the catalytic part 303 to move inside the reaction chamber 102, thereby reducing the wall flow effect generated by the catalyst and the reactants on the side wall of the reaction chamber 102, maximizing the contact area between the catalyst and the reactants, ensuring the thoroughness of the catalytic cracking reaction, and avoiding the decrease in the purity of the end product. At the same time, the linkage assembly 302d and the connecting rod assembly 302a are set up to drive the position change between the upper disturbance disk 302b and the lower disturbance disk 302c and the mounting part 301, thereby reducing the wall flow effect generated by the catalyst and the reactants on the side wall of the reaction chamber 102, enabling the catalyst to be suspended inside the reaction chamber 102, maximizing the contact area between the catalyst and the reactants, ensuring the thoroughness of the catalytic cracking reaction, and avoiding the decrease in the purity of the end product. The linkage assembly 302d and the connecting rod assembly 302a are set up to drive the position change between the upper disturbance disk 302b and the lower disturbance disk 302c and the mounting part 301. When feeding at the feed pipe 101, a hydrodynamic force is generated on the disturbance disk mounting seat 301c, which then pushes the entire disturbance disk mounting seat 301c to move away from the connecting seat 301a, further driving the entire connecting rod assembly 302a and the upper disturbance disk 302b and the lower disturbance disk 302c away from the mounting part 301, and then enabling the catalytic part 303 to enter the reaction chamber 102, thereby increasing the contact area between the fluid and the catalytic part 303. At the same time, the connecting rod assembly 302a connected to the upper disturbance disk 302b and the lower disturbance disk 302c will rotate on the disturbance disk mounting seat 301c, and the linkage frame 302d-2 in the linkage assembly 302d will also drive the sliding gear 302d-5 to mesh with multiple groups of linkage gears three 302d-6 located on the guide frame 301d, thereby preventing the separation between the lower disturbance disk 302c and the mounting part 301.When the propulsion spring 301b-2 maintains a static equilibrium state, under the action of the adsorption part 203a, the catalytic part 303 is located inside the feed pipe 101, preventing the catalytic part 303 from being located inside the reaction chamber 102 for a long time and reducing the activity of the catalyst.

[0051] The remaining structures are the same as those in Embodiment 1.

[0052] Embodiment 3, referring to Figures 1 - 7 , is the third embodiment of the present invention. The difference between this embodiment and the second embodiment is that the catalytic part 303 includes a molecular sieve chamber cover 303a disposed on the lower perturbation disk mounting seat 301c-2 and located between multiple sets of guide frames 301d, and a molecular sieve chamber 303b detachably disposed on the molecular sieve chamber cover 303a; a catalytic through hole 303b-1 is provided on the molecular sieve chamber 303b.

[0053] Preferably, the displacement unit 200 is located inside the transition container 102b-1, and the perturbation unit 300 is located inside the reaction container 102b-2. The perturbation unit 300 includes the catalytic part 303, so that when the material passes through the perturbation unit 300, it can fully contact and react with the catalyst.

[0054] During use, the material to be reacted, after passing through the feed pipe 101, directly contacts the displacement unit 200 and the perturbation unit 300 provided in the feed pipe 101, and contacts the catalyst provided in the perturbation unit 300, and then undergoes a catalytic cracking reaction. Usually, in the reaction process of producing aromatic oil from liquefied gas, a molecular sieve catalyst, such as ZSM-5 zeolite molecular sieve, is used. This catalyst has good sulfur and nitrogen resistance and can operate at a lower pressure, reducing the need for deep processing of raw materials. The rotating part 202 can rotate relative to the limiting part 201, driving the displacement part 203 to rotate relative to the reaction unit 100, improving the perturbation effect of the perturbation unit 300 inside the reaction chamber 102 and on the material to be reacted located inside the reaction chamber 102, thereby promoting the contact degree between the molecules and the catalyst in the reaction chamber, prolonging the contact time between the reactant molecules and the catalyst. At the same time, the displacement unit 200 is used to drive the catalytic molecular sieve to displace inside the reaction chamber 102, and the catalyst required for the catalytic cracking reaction is provided in the catalytic part 303. The mounting part 301 provided on the displacement part 203 drives the perturbation part 302 and the catalytic part 303 to move inside the reaction chamber 102, thereby reducing the wall flow effect generated by the catalyst and the reactants on the side wall of the reaction chamber 102, maximizing the contact area between the catalyst and the reactants, ensuring the thoroughness of the catalytic cracking reaction, and preventing the decrease in the purity of the end product. The molecular sieve chamber 303b is detachably disposed on the lower perturbation disk mounting seat 301c-2 through the molecular sieve chamber cover 303a, facilitating the staff to disassemble the molecular sieve chamber 303b, thereby realizing the update of the catalyst.

[0055] The remaining structure is the same as that of Embodiment 2.

[0056] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered by the scope of the claims of the present invention.

Claims

1. A reaction device for preparing aromatic oil from liquefied gas, characterized in that: include, A reaction unit (100) comprising a feed pipe (101), a reaction chamber (102) arranged on the feed pipe (101), and a pressure-controlled discharge pipe (103) arranged on the reaction chamber (102); The displacement unit (200) comprises a limiting portion (201) disposed on the reaction chamber (102), a rotating portion (202) rotatably disposed on the limiting portion (201), and a displacement portion (203) slidably disposed on the rotating portion (202); The disturbance unit (300) comprises a mounting portion (301) disposed on the displacement portion (203), a disturbance portion (302) disposed on the mounting portion (301), and a catalytic portion (303) disposed on the mounting portion (301) and located between a plurality of groups of the disturbance portions (302).

2. The reaction equipment for preparing aromatic oil from liquefied gas according to claim 1, characterized in that: The limiting portion (201) comprises an upper limiting seat (201a) arranged on the feeding pipe (101), and a lower limiting seat (201b) arranged on the reaction chamber (102); The rotating part (202) comprises a rotating block (202b) rotatably arranged on the upper limit seat (201a) and the lower limit seat (201b), and a displacement rail (202a) arranged on the rotating block (202b); The displacement part (203) comprises an adsorption member (203a) arranged at one end of the displacement rail (202a), and a displacement member (203b) slidably arranged on the displacement rail (202a).

3. The reaction equipment for preparing aromatic oil from liquefied gas according to claim 2, characterized in that: The adsorption member (203a) comprises an adsorption seat mounting rod (203a-1) arranged at one end of the displacement rail (202a), an adsorption seat (203a-2) arranged on the adsorption seat mounting rod (203a-1), and an electromagnet module (203a-3) arranged on the adsorption seat (203a-2); The displacement member (203b) comprises a sliding rod (203b-1) slidably arranged on the displacement rail (202a), and a magnetic seat (203b-2) arranged on the sliding rod (203b-1).

4. The reaction equipment for producing aromatic oil from liquefied gas according to claim 3, characterized in that: The upper limit seat (201a) is provided with a rotation guide groove (201a-1), and the rotation block (202b) is rotationally arranged on the rotation guide groove (201a-1); The displacement rail (202a) is provided with a sliding guide groove (202a-1), and the sliding rod (203b-1) is slidably arranged on the sliding guide groove (202a-1).

5. The reaction equipment for preparing aromatic oil from liquefied gas according to claim 3, characterized in that: The mounting portion (301) comprises a connecting seat (301a) arranged on the magnetic seat (203b-2), a pushing member (301b) arranged on the connecting seat (301a), a disturbance disk mounting seat (301c) arranged on the pushing member (301b), and a guide frame (301d) arranged on the disturbance disk mounting seat (301c); The disturbance part (302) comprises a connecting rod assembly (302a) arranged on the disturbance disk mounting seat (301c), an upper disturbance disk (302b) arranged on the connecting rod assembly (302a), a linkage assembly (302d) connected to the upper disturbance disk (302b) and located on the guide frame (301d), and a lower disturbance disk (302c) arranged on the linkage assembly (302d).

6. The reaction equipment for producing aromatic oil from liquefied gas according to claim 5, characterized in that: The propulsion member (301b) comprises a propulsion rod (301b-1) arranged between the connection seat (301a) and the disturbance disk mounting seat (301c), and a propulsion spring (301b-2) sleeved on the propulsion rod (301b-1); The disturbance disk mounting seat (301c) comprises an upper disturbance disk mounting seat (301c-1) provided with the upper disturbance disk (302b), and a lower disturbance disk mounting seat (301c-2) provided with the lower disturbance disk (302c).

7. The reaction equipment for producing aromatic oil from liquefied gas according to claim 6, characterized in that: The connecting rod assembly (302a) comprises a rotating rod (302a-2) rotatably arranged on the upper disturbance disk mounting seat (301c-1), an upper disturbance disk rotating seat (302a-1) rotatably connected to the rotating rod (302a-2), arranged on the upper disturbance disk mounting seat (301c-1) and rotatably arranged with the upper disturbance disk (302b), and a connecting rod (302a-3) having one end rotatably arranged on the upper disturbance disk (302b) and the other end rotatably arranged on the lower disturbance disk (302c); The linkage assembly (302d) comprises a linkage frame (302d-2) rotatably connected to the connecting rod (302a-3) and rotatably arranged on the lower disturbance disk mounting seat (301c-2), a linkage gear 1 (302d-1) rotatably arranged on the linkage frame (302d-2), a large gear (302d-3) rotatably arranged on the linkage frame (302d-2) and meshingly connected to the linkage gear 1 (302d-1), and a rotationally arranged A linkage gear 2 (302d-4) is disposed on the linkage frame (302d-2) and meshed with the large gear (302d-3), a sliding gear (302d-5) is slidably disposed relative to the guide frame (301d) and meshed with the linkage gear 2 (302d-4), and a plurality of linkage gear 3 (302d-6) are rotatably disposed on the guide frame (301d) and meshed with the sliding gear (302d-5).

8. The reaction equipment for producing aromatic oil from liquefied gas according to claim 7, characterized in that: The upper disturbance disk mounting seat (301c-1) is provided with a rotating seat 1 (301c-11) rotatably connected to the rotating rod (302a-2); The lower disturbance disk mounting seat (301c-2) is provided with a second rotating seat (301c-21) rotatably connected to the linkage frame (302d-2).

9. The reaction device for preparing aromatic oil from liquefied gas according to any one of claims 5 to 8, characterized in that: The catalytic part (303) comprises a molecular sieve compartment cover (303a) arranged on the disturbance disk mounting seat (301c) and located between the multiple groups of guide frames (301d), and a molecular sieve compartment (303b) that is detachably arranged on the molecular sieve compartment cover (303a); a catalytic through hole (303b-1) is arranged on the molecular sieve compartment (303b).

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