Catalytic cracking gasoline hydrogenation production device

Abstract

The utility model provides a catalytic cracking gasoline hydrogenation production device, and belongs to the technical field of gasoline production. The catalytic cracking gasoline hydrogenation production device comprises a mixing assembly and a cooling assembly, firstly, a scraper is driven to scrape the inner side wall of a reaction kettle when a stirring piece rotates, raw materials adhered to the inner side wall of the reaction kettle are scraped off for reaction synthesis, the raw materials are saved, and meanwhile, the interior of the reaction kettle is convenient to clean subsequently; scraping plates can be pushed to make contact with the inner side wall of the reaction kettle all the time through elastic force of elastic rods, the scraping effect can be improved, cooling liquid can circularly flow through a water pump and an annular water pipe, circulating refrigeration is conducted, meanwhile, the cooling effect of the cooling liquid can be accelerated through a cooling plate, and the cooling effect on the outer wall of the reaction kettle is further improved; the scraper blade can be pushed to be always in contact with the inner side wall of the reaction kettle, so that gaps between the scraper blade and the inner wall of the reaction kettle are prevented, the cooling effect is improved, and the practicability is improved.

Description

Technical Field

[0001] The present application relates to the field of gasoline production, and in particular to a catalytic cracking gasoline hydrogenation production device. Background Art

[0002] Catalytic gasoline hydrogenation technology is a method of using fixed bed technology to hydrogenate catalytic cracking gasoline to remove sulfur. Based on its advantages of mild operating conditions, high desulfurization rate and small octane number loss, this technology converts harmful impurities such as sulfur, oxygen, nitrogen in oil products into corresponding hydrogen sulfide, water, and ammonia under hydrogen pressure and catalyst to remove them, and hydrogenates olefins and diolefins and partially hydrogenates aromatics to improve the quality of oil products. In the process of gasoline hydrofining, a reactor is usually required to synthesize and process a variety of raw materials into intermediates as a catalyst to improve the efficiency of gasoline hydrofining. For example, a device for producing hydrogenated catalytic gasoline with Chinese patent application number CN202222151276.2 is aimed at the problem that when producing hydrogenated catalytic gasoline, the side wall of the reactor is prone to overheating, which is easy to damage the side wall of the reactor, shortening the service life, and the raw materials are easy to adhere to the inner wall of the reactor, wasting raw materials and not conducive to the subsequent cleaning of the inside of the reactor. The reactor includes a scraper mechanism fixed at one end of the stirring rod a away from the rotating shaft, and a cooling mechanism connected to the gear b is arranged on the outer wall of the reactor; the cooling mechanism is driven to rotate by the gear b, and the cooling mechanism comprehensively cools the side wall of the reactor when rotating, thereby avoiding the large amount of heat released by the reaction of the raw materials in the reactor causing the side wall of the reactor to heat up rapidly, and at the same time, the stirring rod a drives the scraper mechanism to scrape the inner wall of the reactor when rotating, saving raw materials and facilitating the subsequent cleaning of the inside of the reactor.

[0003] However, the above scheme still has certain defects: first, the scraper is prone to wear after scraping the inner wall of the reactor for a long time, resulting in gaps between the scraper and the inner wall of the reactor; secondly, the temperature of the coolant inside the liquid chamber will increase after long-term use, which reduces the cooling effect and thus reduces practicality. Utility Model Content

[0004] In order to make up for the above shortcomings, the present application provides a catalytic cracking gasoline hydrogenation production device, which aims to improve the phenomenon in the related technology that the scraper is prone to wear after scraping the inner wall of the reactor for a long time, resulting in gaps between the scraper and the inner wall of the reactor. Secondly, the temperature of the coolant inside the liquid chamber will increase after long-term use, which reduces the cooling effect and thus reduces the practicality.

[0005] An embodiment of the present application provides a catalytic cracking gasoline hydrogenation production device including a mixing component and a cooling component.

[0006] The mixing component includes a water tank, a reactor, a stirring member, an elastic rod and a scraper. The reactor is arranged on one side of the water tank, the stirring member is arranged inside the reactor, the elastic rod is correspondingly arranged on both sides of the stirring member, the scraper is fixedly connected to the elastic rod, and the scraper is in contact with the reactor. The cooling component includes a water pump, an annular water pipe and a heat sink. The water pump is connected to the water tank, the annular water pipe is arranged on the surface of the reactor, and the annular water pipes are connected to the water pump and the water tank. A plurality of heat sinks are arranged on the surface of the annular water pipe.

[0007] In a specific embodiment, a water inlet pipe is provided on one side of the water tank, and a water outlet pipe is provided on one side of the water tank.

[0008] In the above implementation process, a water inlet pipe is provided on one side of the water tank. The water inlet pipe can add coolant into the water tank, and the water outlet pipe can discharge the coolant.

[0009] In a specific embodiment, a feed port is provided on one side of the reactor.

[0010] In the above implementation process, a feed port is provided on one side of the reactor, and the feed port is provided to facilitate the addition of gasoline into the reactor.

[0011] In a specific embodiment, the stirring member includes a motor and a stirring rod, the stirring rod is rotatably connected to the reaction kettle, and the stirring rod is fixedly connected to the output end of the motor.

[0012] In the above implementation process, the user can start the motor, and the motor can drive the stirring rod to rotate, and the raw materials inside the reactor can be mixed through the stirring rod.

[0013] In a specific embodiment, the elastic rod includes a first support rod, a second support rod and a spring, the second support rod is slidably connected to the first support rod, the spring is arranged inside the first support rod, and the spring is fixedly connected to the second support rod.

[0014] In the above implementation process, the second support rod is pushed by the elastic force of the spring so that the scraper is always in contact with the inner wall of the reactor.

[0015] In a specific embodiment, a cavity is provided inside the first support rod, and the second support rod is slidably connected to the cavity.

[0016] In the above implementation process, a cavity is provided inside the first support rod, and the cavity can play a role of limiting.

[0017] In a specific embodiment, a first connecting pipe is provided on one side of the water pump, and the first connecting pipe is communicated with the water tank. A second connecting pipe is provided on one side of the water pump, and the second connecting pipe is communicated with the annular water pipe.

[0018] In the above implementation process, the first connecting pipe and the second connecting pipe can be provided to achieve the function of communication.

[0019] In a specific embodiment, a third connecting pipe is provided on one side of the annular water pipe, and the third connecting pipe is connected to the water tank.

[0020] In the above implementation process, a third connecting pipe is provided on one side of the annular water pipe, and the third connecting pipe can play a role of communication.

[0021] Compared with the prior art, the beneficial effects of the present application are as follows: first, the rotation of the stirring element drives the scraper to scrape the inner wall of the reactor, and the raw materials adhered to the inner wall of the reactor are scraped off for reaction synthesis, which saves raw materials and facilitates the subsequent cleaning of the inside of the reactor. The elastic force of the elastic rod can push the scraper to always contact the inner wall of the reactor, which can improve the scraping effect. Secondly, the coolant in the water tank is transported to the annular water pipe through a water pump, which can cool the reactor. The coolant can be circulated through the water pump and the annular water pipe for circulating refrigeration. At the same time, the heat dissipation effect of the coolant can be accelerated through the heat sink, and the cooling effect on the outer wall of the reactor is further improved. The scraper can be pushed to always contact the inner wall of the reactor to prevent gaps between the scraper and the inner wall of the reactor, while improving the cooling effect, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the implementation methods of the present application, the drawings required for use in the implementation methods will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 This is a schematic structural diagram of a catalytic cracking gasoline hydrogenation production device from a first perspective provided in an embodiment of the present application;

[0024] Figure 2 A schematic diagram of the annular water pipe structure provided for an implementation method of the present application;

[0025] Figure 3 A schematic diagram of the structure of a stirring element provided in an embodiment of the present application;

[0026] Figure 4This is a schematic structural diagram of the elastic rod from a second perspective provided in an embodiment of the present application.

[0027] In the figure: 100-mixing component; 110-water tank; 111-water inlet pipe; 112-water outlet pipe; 120-reactor; 121-feeding port; 130-stirring element; 131-motor; 132-stirring rod; 140-elastic rod; 141-first support rod; 1411-cavity; 142-second support rod; 143-spring; 150-scraper; 200-cooling component; 210-water pump; 211-first connecting pipe; 212-second connecting pipe; 220-annular water pipe; 221-third connecting pipe; 230-heat sink. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application.

[0029] In order to make the purpose, technical solutions and advantages of the implementation methods of this application clearer, the technical solutions in the implementation methods of this application will be clearly and completely described below in conjunction with the drawings in the implementation methods of this application. Obviously, the described implementation methods are part of the implementation methods of this application, not all of the implementation methods. Based on the implementation methods in this application, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0030] See also Figure 1-4 The present application provides a catalytic cracking gasoline hydrogenation production device including a mixing component 100 and a cooling component 200. By improving the selective hydrodesulfurization process, the full-fraction catalytic cracking gasoline is subjected to a pre-hydrogenation catalyst and a pre-hydrogenation reactor to remove diolefins, mercaptans, and sulfides. Then, the pre-hydrogenated product is subjected to selective hydrodesulfurization under the action of a hydrodesulfurization and isomerization catalyst, and straight-chain olefins are isomerized into single-branched olefins or single-branched alkanes to obtain ultra-low sulfur content clean gasoline. The light gasoline treated by the light gasoline desulfurization unit and the heavy gasoline treated by the heavy gasoline hydrodesulfurization unit are sent to the gasoline deep desulfurization unit for deep desulfurization treatment to further reduce the mercaptan sulfur in the gasoline and ensure the quality of the gasoline.

[0031] See also Figure 1-4The mixing assembly 100 includes a water tank 110, a reactor 120, a stirring member 130, an elastic rod 140 and a scraper 150. The reactor 120 is arranged on one side of the water tank 110, the stirring member 130 is arranged inside the reactor 120, the elastic rod 140 is correspondingly arranged on both sides of the stirring member 130, the scraper 150 is fixedly connected to the elastic rod 140, and the scraper 150 is in contact with the reactor 120. A water inlet pipe 111 is arranged on one side of the water tank 110, and a water outlet pipe 112 is arranged on one side of the water tank 110. The water inlet pipe 111 can add coolant to the inside of the water tank 110, and the water outlet pipe 112 can discharge the coolant. A feed port 121 is arranged on one side of the reactor 120, and the feed port 121 is arranged to facilitate the addition of gasoline into the reactor 120.

[0032] In some specific embodiments, the stirring member 130 includes a motor 131 and a stirring rod 132, the stirring rod 132 is rotatably connected to the reactor 120, and the stirring rod 132 is fixedly connected to the output end of the motor 131. The user can start the motor 131, and the motor 131 can drive the stirring rod 132 to rotate. The raw materials inside the reactor 120 can be mixed through the stirring rod 132. The elastic rod 140 includes a first support rod 141, a second support rod 142 and a spring 143. The second support rod 142 is slidably connected to the first support rod 141, and the spring 143 is arranged inside the first support rod 141. The spring 143 is fixedly connected to the second support rod 142. The second support rod 142 is pushed by the elastic force of the spring 143 so that the scraper 150 is always in contact with the inner wall of the reactor 120. A cavity 1411 is arranged inside the first support rod 141, and the second support rod 142 is slidably connected to the cavity 1411. The cavity 1411 can play a limiting role.

[0033] See also Figure 1 and Figure 2 The cooling component 200 includes a water pump 210, an annular water pipe 220 and a heat sink 230. The water pump 210 is connected to the water tank 110. The annular water pipe 220 is arranged on the surface of the reactor 120. The annular water pipes 220 are connected to the water pump 210 and the water tank 110. Several heat sinks 230 are arranged on the surface of the annular water pipe 220. A first connecting pipe 211 is arranged on one side of the water pump 210. The first connecting pipe 211 is connected to the water tank 110. A second connecting pipe 212 is arranged on one side of the water pump 210. The second connecting pipe 212 is connected to the annular water pipe 220. The first connecting pipe 211 and the second connecting pipe 212 can be connected. A third connecting pipe 221 is arranged on one side of the annular water pipe 220. The third connecting pipe 221 is connected to the water tank 110. The third connecting pipe 221 can be connected.

[0034] The working principle of the catalytic cracking gasoline hydrogenation production device is as follows: first, gasoline is added into the reactor 120 through the feed port 121, and then the motor 131 can drive the stirring rod 132 to rotate, and the stirring rod 132 can mix the raw materials in the reactor 120, and the stirring rod 132 drives the scraper 150 to scrape the inner wall of the reactor 120 when rotating, and the raw materials adhered to the inner wall of the reactor 120 are scraped off for reaction synthesis, which saves raw materials and facilitates the subsequent cleaning of the reactor 120. The second support rod 142 is pushed by the elastic force of the spring 143 so that the scraper 150 is always in contact with the reactor 1 20 inner wall can be contacted, which can improve the scraping effect. Secondly, the coolant in the water tank 110 is transported to the annular water pipe 220 through the water pump 210, which can cool the reactor 120. The coolant can be circulated through the water pump 210 and the annular water pipe 220 for circulating refrigeration. At the same time, the heat dissipation effect of the coolant can be accelerated through the heat sink 230, and the cooling effect of the outer wall of the reactor 120 can be further improved. The scraper 150 can be pushed to always contact the inner wall of the reactor 120 to prevent the scraper 150 from having a gap with the inner wall of the reactor 120, and at the same time the cooling effect is improved, thereby improving practicality.

[0035] It should be noted that the specific model specifications of the motor 131 and the water pump 210 need to be selected and determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in the field, so it will not be described in detail.

[0036] The power supply and principle of the motor 131 and the water pump 210 are clear to those skilled in the art and will not be described in detail here.

[0037] The above description is only an embodiment of the present application and is not intended to limit the scope of protection of the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0038] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A catalytic cracking gasoline hydrogenation production device, characterized in that: include A mixing assembly (100), the mixing assembly (100) comprising a water tank (110), a reaction kettle (120), a stirring member (130), an elastic rod (140) and a scraper (150), the reaction kettle (120) being arranged on one side of the water tank (110), the stirring member (130) being arranged inside the reaction kettle (120), the elastic rod (140) being arranged on both sides of the stirring member (130) respectively, the scraper (150) being fixedly connected to the elastic rod (140), and the scraper (150) being in contact with the reaction kettle (120); A cooling component (200), the cooling component (200) comprising a water pump (210), an annular water pipe (220) and a heat sink (230), the water pump (210) being in communication with the water tank (110), the annular water pipe (220) being arranged on the surface of the reaction kettle (120), the annular water pipe (220) being in communication with the water pump (210) and the water tank (110), and a plurality of heat sinks (230) being arranged on the surface of the annular water pipe (220).

2. A catalytic cracking gasoline hydrogenation production device according to claim 1, characterized in that: A water inlet pipe (111) is provided on one side of the water tank (110), and a water outlet pipe (112) is provided on one side of the water tank (110).

3. A catalytic cracking gasoline hydrogenation production device according to claim 1, characterized in that: A feed inlet (121) is provided on one side of the reaction kettle (120).

4. A catalytic cracking gasoline hydrogenation production device according to claim 1, characterized in that: The stirring member (130) comprises a motor (131) and a stirring rod (132); the stirring rod (132) is rotatably connected to the reaction kettle (120); and the stirring rod (132) is fixedly connected to an output end of the motor (131).

5. A catalytic cracking gasoline hydrogenation production device according to claim 1, characterized in that: The elastic rod (140) comprises a first support rod (141), a second support rod (142) and a spring (143); the second support rod (142) is slidably connected to the first support rod (141); the spring (143) is arranged inside the first support rod (141); and the spring (143) is fixedly connected to the second support rod (142).

6. A catalytic cracking gasoline hydrogenation production device according to claim 5, characterized in that: A cavity (1411) is provided inside the first support rod (141), and the second support rod (142) is slidably connected to the cavity (1411).

7. A catalytic cracking gasoline hydrogenation production device according to claim 1, characterized in that: A first connecting pipe (211) is provided on one side of the water pump (210), and the first connecting pipe (211) is connected to the water tank (110). A second connecting pipe (212) is provided on one side of the water pump (210), and the second connecting pipe (212) is connected to the annular water pipe (220).

8. A catalytic cracking gasoline hydrogenation production device according to claim 1, characterized in that: A third connecting pipe (221) is provided on one side of the annular water pipe (220), and the third connecting pipe (221) is connected to the water tank (110).

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