A high-conversion and low-energy consumption methanol cracking hydrogen prizing device

Abstract

The present application relates to a kind of high conversion rate low energy consumption methanol cracking hydrogen prying device, it is related to methanol cracking hydrogen technical field.The main body is included, the catalyst bed top end is fixed with compression spring symmetrically, the fixed rod is provided with cleaning assembly outside, multiple scrapers are provided with in the cleaning assembly isometrically, the catalyst bed top end is provided with scattering assembly, the scattering assembly both sides are fixed with wobble plate, the present application is scraped by scraper rotation connection on the outer periphery of rotating part, with rotating part together around reactor axis circle motion, the outer edge of scraper is close to reactor inner wall, along the circumferential scraping of pipe wall in revolution, revolution ensures that scraper is scraped along the whole circumference of pipe wall, scraping force is directly applied to carbon deposition layer, scraper revolves around the connecting point of itself and rotating part, revolving makes the cutting edge of scraper constantly change cutting angle, and the hard and dense carbon deposition layer is formed by the complex effect of grinding and scraping.

Description

Technical Field

[0001] This invention relates to the field of methanol cracking for hydrogen production technology, specifically to a high-conversion-rate, low-energy-consumption methanol cracking for hydrogen production skid-mounted device. Background Technology

[0002] The high-conversion-rate, low-energy-consumption methanol cracking hydrogen production skid-mounted unit is an integrated modular device that integrates feedstock transportation, heat exchange vaporization, catalytic cracking, waste heat recovery, gas purification, and intelligent electrical control all on a skid-mounted base. Relying on a high-performance copper-based catalyst and a layered reaction chamber, the methanol-water mixed feedstock completes steam reforming and cracking under suitable temperature conditions. The unit is equipped with a multi-stage waste heat recovery structure to fully recover reaction waste heat for preheating the feedstock, reducing heating power consumption. The overall operating energy consumption is significantly lower than that of traditional equipment. The entire set of equipment has a compact footprint, is easy to install and debug, and has a rapid start-up and shutdown response. The control system regulates the reaction temperature, pressure, and feedstock ratio in real time and is adaptable to multiple load adjustments. The produced mixed gas can be purified into high-purity hydrogen through pressure swing adsorption. It can realize distributed hydrogen production on-site and is suitable for various hydrogen-using conditions such as hydrogen refueling stations, fine chemicals, and metallurgical processing. It has outstanding advantages such as stable operation, resistance to carbon buildup, simple maintenance, and low overall hydrogen production cost.

[0003] However, in existing methanol cracking hydrogen production skid units, due to the high pipe wall temperature and the excessive residence time of methanol near the wall surface, methanol molecules directly dehydrogenate and carbonize on the high-temperature wall surface, forming carbon deposits. These carbon deposits prevent the heat transfer oil from reaching the catalyst bed, thus preventing the reaction temperature from reaching the target level. To maintain the reaction temperature, the heat transfer oil temperature must be increased, resulting in a significant increase in heating power. This ultimately leads to catalyst sintering. Furthermore, since most catalyst particles are cylindrical with flat end faces, they can easily become stuck together, forming bridging phenomena. In bridging areas, the resistance is low, and the gas flow is concentrated. In other areas, the catalyst is dense, resulting in high resistance, and the gas flow deflects around it. Most of the gas flow passes through only a small portion of the catalyst, significantly reducing the effective reaction volume and lowering the conversion rate.

[0004] To address the aforementioned issues, there is an urgent need for innovative design based on the existing high-conversion-rate, low-energy-consumption methanol cracking hydrogen production skid-mounted unit. Summary of the Invention

[0005] The present invention addresses the problem of overly simplistic solutions in existing technologies by providing a significantly different solution. Specifically, the present invention aims to provide a high-conversion-rate, low-energy-consumption methanol cracking hydrogen production skid-mounted unit to solve the problems mentioned in the background.

[0006] To achieve the above objective, the present invention provides the following technical solution: a skid-mounted device for methanol cracking to produce hydrogen with high conversion rate and low energy consumption, comprising a main body, wherein a reactor is arranged in the main body, a catalyst bed layer is slidably connected in the reactor, compression springs are symmetrically and fixedly connected to the top end of the catalyst bed layer, a fixed rod is arranged at the bottom of the compression springs, a cleaning assembly is arranged outside the fixed rod, a plurality of scraping plates are arranged in the cleaning assembly at equal angles, and the scraping plates are driven by the cleaning assembly to clean the inner wall of the reactor, a fixing disc is arranged at the bottom end of the cleaning assembly, connecting plates are symmetrically and fixedly connected to the outer wall of the fixing disc, a connecting shaft is rotationally connected to the central axis of the catalyst bed layer in a limiting manner, a breaking-up assembly is arranged at the top end of the catalyst bed layer, shaking plates are fixedly connected to both sides of the breaking-up assembly, and the breaking-up assembly drives the shaking plates to break up the bridging area.

[0007] Preferably, one end of each compression spring is fixedly connected to the catalyst bed layer, the other end of each compression spring is fixedly connected to a convex block on the inner wall of the reactor, the fixed rod is fixedly connected to the inner wall of the reactor, the connecting plates are fixedly connected to the catalyst bed layer, and the connecting shaft penetrates the catalyst bed layer.

[0008] Preferably, the cleaning assembly comprises a rotating column rotationally connected to the fixed rod, a rotating member is fixedly connected to the top end of the rotating column, the top end of the rotating member is fixedly connected to the connecting shaft, a plurality of cavities are formed on the inner wall of the rotating member at equal angles, the inner wall of the cavity is rotationally connected to the scraping plate in a limiting manner, a rotating plate is fixedly connected to one side of the scraping plate, two sliding columns are symmetrically and fixedly connected to one side of the rotating plate, the sliding columns are slidably connected to a fixing member, a plurality of guide frames are fixedly connected to the inner top end of the fixing member at equal angles, and a connecting column is fixedly connected to the central axis of the inner top end of the fixing member.

[0009] Preferably, the guide frame is composed of an "L"-shaped frame and a triangular arc block, the fixing member is provided with a cavity matched with the triangular arc block of the guide frame, and the cross-section of the cavity is in a herringbone shape.

[0010] Preferably, the rotating column penetrates the fixing member and the connecting column, the fixing member is located at the internal cavity of the rotating member, the connecting column is rotationally connected to the rotating column in a limiting manner, and the outer wall of the connecting column is fixedly connected to the fixing disc.

[0011] Preferably, the top end of the rotating member is rotationally connected to the catalyst bed layer in a limiting manner, the bottom end of the rotating member is rotationally connected to the fixing disc in a limiting manner, and a spiral groove for matching with the activity of the convex block on the outer wall of the fixed rod is formed in the rotating column.

[0012] Preferably, the sliding column is slidably connected to the bottom end of the fixing member, and the sliding column slides in the herringbone cavity formed by the fixing member and the guide frame.

[0013] Preferably, the dispersing assembly includes a rotating frame fixed to the outer wall of the connecting shaft, a rotating seat rotatably connected inside the rotating frame, a swing column rotatably connected inside the rotating seat, a swing rod fixed inside the swing column, and a fixed frame through which the swing rod passes.

[0014] Preferably, the fixing frame is fixedly connected to the top of the catalyst bed, and both ends of the swing rod are fixedly connected to the shaking plate.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. This invention uses a scraper rotatably connected to the outer circumference of a rotating component. The scraper moves in a circular motion around the reactor axis along with the rotating component. The outer edge of the scraper is in close contact with the inner wall of the reactor. During its revolution, the scraper scrapes circumferentially along the tube wall. Simultaneously, the scraper moves axially with the rise and fall of the bed, forming a spiral motion trajectory of rotation and rise and fall. The revolution ensures that the scraper scrapes along the entire circumference of the tube wall. The scraper is in close contact with the tube wall, and the scraping force acts directly on the carbon deposit layer, effectively removing hard and dense carbon deposits. The scraper rotates around its connection point with the rotating component, causing the cutting edge of the scraper to continuously change its cutting angle, creating a combined grinding and scraping effect on the hard and dense carbon deposit layer. Simultaneously, the rotation ensures that the entire circumferential cutting edge of the scraper participates in cutting evenly, resulting in uniform wear and preventing rapid dulling of the cutting edge on one side.

[0016] 2. This invention utilizes a rotating component to transform continuous rotational motion into the reciprocating oscillation of a swaying plate through a crank-rocker mechanism consisting of a rotating frame, rotating seat, swaying column, and swaying rod. After the swaying plate disperses the particles, they are re-accumulated evenly, resulting in better bed density consistency, more uniform airflow distribution, and reduced flow deviation and localized carbon buildup. Simultaneously, the oscillation of the swaying plate creates continuous localized mechanical disturbance to the particles in the upper part of the bed, which, combined with the inertial bridging effect of the overall up-and-down movement of the bed, forms a dual bridging effect of overall turbulence and localized agitation, significantly improving the ability to break up stubborn bridging and localized compaction. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the main body of the present invention; Figure 2 This is a three-dimensional structural diagram of the internal parts of the reactor of the present invention; Figure 3 This is a schematic diagram showing the connection between the catalyst bed and the compression spring of the present invention; Figure 4 This is a three-dimensional structural diagram of the cleaning component of the present invention; Figure 5 This is a schematic unfolded view of the three-dimensional structure of the cleaning component of the present invention; Figure 6 This is a three-dimensional structural schematic diagram of the cleaning component from another perspective of the present invention; Figure 7This is a structural schematic diagram showing the connection between the rotating and fixing components of the present invention; Figure 8 This is a structural schematic diagram showing the connection between the fixing plate and the connecting plate of the present invention; Figure 9 This is a three-dimensional structural diagram of the cleaning component from another perspective of the present invention; Figure 10 This is a three-dimensional structural diagram of the disintegration component of the present invention; Figure 11 This is a schematic unfolded view of the three-dimensional structure of the disintegration component of the present invention; Figure 12 This is a structural schematic diagram showing the connection between the fixed rod and the rotating column of the present invention.

[0018] In the diagram: 1. Main body; 2. Reactor; 3. Catalyst bed; 4. Compression spring; 5. Fixed rod; 601. Rotating column; 602. Rotating component; 603. Rotating plate; 604. Sliding column; 605. Guide frame; 606. Fixed component; 607. Connecting column; 7. Scraper; 8. Fixed plate; 9. Connecting plate; 10. Connecting shaft; 111. Rotating frame; 112. Rotating seat; 113. Swinging column; 114. Swinging rod; 115. Fixed frame; 12. Shaking plate. Detailed Implementation

[0019] Please see Figures 1 to 12 This invention provides a technical solution: a high-conversion-rate, low-energy-consumption methanol cracking hydrogen production skid-mounted device, comprising a main body 1, a reactor 2 disposed within the main body 1, a catalyst bed 3 slidably connected within the reactor 2, compression springs 4 symmetrically fixed at the top of the catalyst bed 3, a fixing rod 5 disposed at the bottom of the compression springs 4, a cleaning assembly disposed outside the fixing rod 5, multiple scrapers 7 disposed at equal angles within the cleaning assembly, and the cleaning assembly drives the scrapers 7 to clean the inner wall of the reactor 2, a fixing plate 8 disposed at the bottom of the cleaning assembly, connecting plates 9 symmetrically fixed on the outer wall of the fixing plate 8, a connecting shaft 10 rotatably connected at the central axis of the catalyst bed 3, a dispersing assembly disposed at the top of the catalyst bed 3, shaking plates 12 fixed on both sides of the dispersing assembly, and the dispersing assembly drives the shaking plates 12 to disperse the bridging area.

[0020] In specific implementation, the main body 1 is equipped with a reactor 2 inside, and a catalyst bed 3 is slidably connected inside the reactor 2. A compression spring 4 is provided at the top of the catalyst bed 3, and a fixing rod 5 is arranged below the compression spring 4. A cleaning component is installed on the outside of the fixing rod 5. Multiple scrapers 7 are set at equal angles on the cleaning component. The cleaning component drives the scrapers 7 to move, thereby cleaning the carbon deposits on the inner wall of the reactor 2. A fixing plate 8 is provided at the bottom of the cleaning component. A connecting plate 9 is symmetrically fixed on the outer wall of the fixing plate 8. A rotating connecting shaft 10 limits the position of the central axis of the catalyst bed 3. A dispersing component is installed at the top of the catalyst bed 3. A shaking plate 12 is fixed on both sides of the dispersing component. The dispersing component can drive the shaking plate 12 to disperse the particles in the catalyst bridging area.

[0021] As a further embodiment of the present invention, one end of the compression spring 4 is fixedly connected to the catalyst bed 3, the other end of the compression spring 4 is fixedly connected to the protrusion on the inner wall of the reactor 2, the fixing rod 5 is fixedly connected to the inner wall of the reactor 2, the connecting plate 9 is fixedly connected to the catalyst bed 3, and the connecting shaft 10 passes through the catalyst bed 3.

[0022] In specific implementation, one end of the compression spring 4 is fixedly connected to the catalyst bed 3, the other end of the compression spring 4 is fixed to the protrusion on the inner wall of the reactor 2, the fixing rod 5 is fixedly installed on the inner wall of the reactor 2, the connecting plate 9 is fixedly connected to the catalyst bed 3, and the connecting shaft 10 is arranged through the catalyst bed 3.

[0023] As a further embodiment of the present invention, the cleaning component includes a rotating column 601 rotatably connected to the fixed rod 5, a rotating component 602 fixed at the top of the rotating column 601, the top of the rotating component 602 fixedly connected to the connecting shaft 10, a plurality of cavities are opened at equal angles on the inner wall of the rotating component 602, the inner wall of the cavity is rotatably connected to the scraper 7, a rotating plate 603 is fixed on one side of the scraper 7, two sliding columns 604 are symmetrically fixed on one side of the rotating plate 603, a fixing component 606 is slidably connected to the sliding column 604, a plurality of guide frames 605 are fixed at equal angles at the top of the fixing component 606, and a connecting column 607 is fixed at the central axis of the top of the fixing component 606.

[0024] In practice, the assembly relies on the rotating column 601 and the fixed rod 5. When the catalyst bed 3 is raised and lowered, it can drive the rotating column 601 to move along the outer wall of the fixed rod 5 and rotate. The rotating column 601 drives the rotating part 602 connected to the top to rotate synchronously. The rotating part 602 drives the connecting shaft 10 to rotate together. The inner cavity of the rotating part 602 is equipped with a scraper 7. The scraper 7 is attached with a fixed rotating plate 603. The rotating plate 603 is equipped with two sets of sliding columns 604. The sliding columns 604 slide along the bottom of the fixed part 606. The fixed part 606 is installed and positioned by the connecting column 607. The guide frame 605 inside the fixed part 606 can squeeze the sliding columns 604, driving the rotating plate 603 and the scraper 7 to rotate. The scraper 7, in conjunction with the revolution and rotation, completes the scraping operation of the carbon deposits on the inner wall of the reactor 2.

[0025] As a further embodiment of the present invention, the guide frame 605 is composed of an "L"-shaped frame and a triangular arc block, and the fixing member 606 is provided with a cavity that matches with the triangular arc block of the guide frame 605, and the cross-section of the cavity is herringbone-shaped.

[0026] In specific implementation, the guide frame 605 is formed by combining an L-shaped frame and a triangular arc block. The fixing member 606 is provided with a cavity with a herringbone cross-section, and the cavity can cooperate with the triangular arc block of the guide frame 605. When the sliding post 604 slides along the circumference of the bottom end of the fixing member 606 into the cavity, the inclined surface of the triangular arc block can push the sliding post 604 to shift its position, thereby driving the rotating plate 603 and the scraper 7 to complete the rotation movement.

[0027] As a further embodiment of the present invention, the rotating post 601 penetrates through the fixing member 606 and the connecting post 607, the fixing member 606 is located at the inner cavity of the rotating member 602, the connecting post 607 is in limit rotating connection with the rotating post 601, and the outer wall of the connecting post 607 is fixedly connected with the fixed disk 8.

[0028] In specific implementation, the rotating post 601 penetrates through the fixing member 606 and the connecting post 607, the fixing member 606 is disposed in the inner cavity of the rotating member 602, limit rotating assembly is implemented between the connecting post 607 and the rotating post 601, and the outer outer wall of the connecting post 607 is fixed with the fixed disk 8. When the catalyst bed layer 3 drives the fixed disk 8, the connecting post 607 and the fixing member 606 to move up and down, the rotating post 601 generates axial displacement relative to the fixing member 606, so as to trigger subsequent rotation transmission, and drive the rotating member 602 and the scraper 7 to perform revolution-rotation tube wall carbon removal work.

[0029] As a further embodiment of the present invention, the top end of the rotating member 602 is in limit rotating connection with the catalyst bed layer 3, the bottom end of the rotating member 602 is in limit rotating connection with the fixed disk 8, and a spiral groove for the projection on the outer wall of the fixed rod 5 to move in cooperation is opened in the rotating post 601.

[0030] In specific implementation, the top end of the rotating member 602 is in limit rotating connection with the catalyst bed layer 3, and the bottom end of the rotating member 602 is in limit rotating connection with the fixed disk 8. A spiral groove is formed inside the rotating post 601 that moves up and down along with the catalyst bed layer 3, and the spiral groove cooperates with the projection on the outer wall of the fixed rod 5. When the rotating post 601 moves up and down in the axial direction, the projection presses the spiral groove to drive the rotating post 601 to rotate, thereby driving the rotating member 602 to rotate synchronously, providing a power source for the subsequent revolution operation of the scraper 7.

[0031] As a further embodiment of the present invention, the sliding post 604 is slidably connected with the bottom end of the fixing member 606, and the sliding post 604 slides in the herringbone-shaped cavity formed by the fixing member 606 and the guide frame 605.

[0032] In practice, the sliding column 604 slides in a circular motion against the bottom end of the fixing member 606. As the rotating plate 603 continues to rotate, the sliding column 604 slides into the herringbone-shaped cavity formed by the fixing member 606 and the guide frame 605. The triangular arc block inside the cavity guides and deflects the sliding column 604, causing the rotating plate 603 and the scraper 7 to deflect and rotate. This allows the scraper 7 to achieve a compound scraping motion of revolution and rotation, cleaning the carbon deposits attached to the inner wall of the reactor 2.

[0033] As a further embodiment of the present invention, the disintegration component includes a rotating frame 111 fixed to the outer wall of the connecting shaft 10, a rotating seat 112 rotatably connected inside the rotating frame 111, a swing column 113 rotatably connected inside the rotating seat 112, a swing rod 114 fixed inside the swing column 113, and a fixing frame 115 passing through the swing rod 114.

[0034] In practice, when the rotating component 602 is in operation, it will drive the connecting shaft 10 to rotate. The connecting shaft 10 will drive the rotating frame 111 fixed on the outer wall to rotate together. The rotating frame 111 drives the rotating seat 112 to make a circular motion, and then transmits it to the swing rod 114 through the swing column 113. The swing rod 114 completes the reciprocating swing by relying on the fixed frame 115 as the fulcrum, and finally drives the shaking plate 12 to disturb the particles inside the catalyst bed 3, breaking the bridging agglomerates that appear in the catalyst.

[0035] As a further embodiment of the present invention, the fixed frame 115 is fixedly connected to the top of the catalyst bed 3, and both ends of the swing rod 114 are fixedly connected to the shaking plate 12.

[0036] In practice, the fixed frame 115 is fixedly installed at the top of the catalyst bed 3 to provide a swing fulcrum for the swing rod 114. Both ends of the swing rod 114 are fixedly installed with shaking plates 12. When the connecting shaft 10 drives the entire set of dispersing components to operate, the swing rod 114 swings back and forth around the fixed frame 115, and simultaneously drives the shaking plates 12 on both sides to stir the particles inside the catalyst bed 3, disperse the particles and eliminate the catalyst bridging phenomenon.

[0037] Working Principle: When using this high-conversion, low-energy-consumption methanol cracking hydrogen production skid-mounted unit, after a period of use, the carbon buildup on the pipe walls of reactor 2 in the main body 1 and catalyst bridging will increase the bed pressure difference. A pressure difference-driven pulse gas chamber is located at the bottom of reactor 2. The inlet of the chamber connects to the high-pressure gas from the reactor 2 outlet, and the outlet of the chamber is connected to the bottom of the catalyst bed 3 via a pulse valve. The opening and closing of the pulse valve is controlled by the pressure difference between the upper and lower parts of the bed. When the pressure difference is small, the valve is closed; when the pressure difference reaches a set threshold, the valve automatically opens. After the valve opens, the high-pressure gas flows backward from the bottom of reactor 2 into the bottom layer of the catalyst bed 3, forming a primary flow. Pulse backflushing causes the catalyst bed 3 to move upward via gas. At this time, the compression spring 4 between the catalyst bed 3 and the inner wall protrusion of the reactor 2 is compressed. When the pulse ends, the compression spring 4 releases its elasticity, causing the catalyst bed 3 to move downward and reset. The catalyst bed 3 is lifted upward and then falls back down. The catalyst particles gain upward acceleration. The arch structure formed by bridging collapses under the action of inertial force, and the particles rearrange themselves, effectively eliminating bridging voids and flow deviation channels, restoring the uniformity of the bed. At the same time, the pulse backflushing airflow passes through the bed from bottom to top, which can blow away the carbon debris and dust accumulated between the catalyst particles and reduce the bed resistance. The catalyst bed 3 moves synchronously with the fixed plate 9, which is fixedly connected to it. This causes the rotating component 602, which is located between the catalyst bed 3 and the fixed plate 8 and is rotatably connected to both the catalyst bed 3 and the fixed plate 8, to move synchronously. As the rotating component 602 moves, the rotating column 601 fixed to it moves accordingly. Since the rotating column 601 has a threaded groove that matches the outer wall protrusion of the fixed rod 5, the rotating column 601 rotates synchronously when it moves, which in turn causes the rotating component 602 fixed to the rotating column 601 to rotate synchronously. When the rotating component 602 rotates, it causes the scraper 7, which is rotatably connected to it, to rotate synchronously around the axis of the reactor 2 (i.e., the scraper 7 revolves around the center of the reactor 2, and at this time the scraper 7 moves up and down and makes a circular motion on the inner wall of the reactor 2). When the scraper 7 rotates, it drives the rotating plate 603, which is fixed to it, to rotate synchronously. Since the fixing member 606 is fixedly connected to the fixed plate 8 through the connecting column 607, the sliding column 604 fixed to the rotating plate 603 slides circumferentially along the bottom end of the fixing member 606 when rotating. When the sliding column 604 rotates to the "V"-shaped cavity opened at the bottom end of the fixing member 606 and cooperating with the triangular arc block of the guide frame 605, one of the sliding columns 604 fixed on one side of the rotating plate 603 first slides into the cavity. Through one of the inclined surfaces of the triangular arc block of the guide frame 605, the sliding column 604 slides into the cavity slot. Through one of the inclined surfaces of the triangular arc block of the guide frame 605, the sliding column 604 is forced to slide into the cavity slot. As the sliding column 604... 4. Continue to rotate, forcing the rotating plate 603 to rotate. Another sliding column 604 fixed on one side of the rotating plate 603 rotates at the bottom of the guide frame 605 until it re-contacts the bottom surface of the fixing part 606. As the sliding column 604 continues to rotate, the sliding column 604 in the slot slides out from the other inclined surface of the triangular arc block of the guide frame 605. At this time, the scraper 7 rotates around its connection point with the rotating part 602 (i.e., rotates on its own axis). Thus, while the scraper 7 moves up and down inside the reactor 2, it simultaneously revolves around the axis of the reactor 2 and rotates on its own axis, forming a spiral compound scraping motion. The revolution ensures that the scraper 7 scrapes along the pipe wall for a full circumference, and the rotation causes the cutting edge of the scraper 7 to continuously change the cutting angle, forming a compound action of grinding and scraping on the hard and dense carbon deposit layer. During the up-and-down movement of the catalyst bed 3, the entire bed is thrown upwards and then falls back down, giving the catalyst particles an upward acceleration. The arch structure originally formed by bridging collapses under the action of inertial force, and the particles rearrange themselves. In this process, the rotating component 602 rotates, simultaneously driving the connecting shaft 10 at its top to rotate synchronously, which in turn drives the rotating frame 111, which is fixed to the connecting shaft 10, to rotate. Since the rotating frame 111 is rotatably connected to the rotating seat 112, the rotating frame 111 drives the rotating seat 112 to rotate around the axis of the connecting shaft 10. Furthermore, the rotating seat 112 is rotatably connected to the swing column 113, causing the swing column 113 to rotate through the rotation of the rotating seat 112. The swing rod 114, which is fixed to the swing column 113, swings around the connection point between the swing rod 114 and the fixed frame 115, thereby causing the shaking plate 12, which is fixed to the swing rod 114, to swing synchronously. The shaking plate 12 continuously disperses the catalyst particles in the upper part of the bed. The swing of the shaking plate 12 creates a continuous disturbance to the particles in the upper part of the bed. Combined with the inertial bridging effect of the overall up-and-down shaking of the bed, a dual bridging effect of overall shaking and local stirring is formed, which greatly improves the ability to break stubborn bridging and local caking. At the same time, after the shaking plate 12 disperses the particles, the particles are re-evenly piled up, resulting in better bed density consistency, more uniform airflow distribution, and reduced flow deviation and local carbon deposition.

[0038] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present invention. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention are within the scope of the present invention.

Claims

1. A high-conversion-rate, low-energy-consumption methanol cracking hydrogen production skid-mounted unit, comprising a main body (1), characterized in that: A reactor (2) is arranged in the main body (1), a catalyst bed layer (3) is slidably connected in the reactor (2), compression springs (4) are symmetrically and fixedly fixed at the top end of the catalyst bed layer (3), a fixed rod (5) is arranged at the bottom of the compression springs (4), a cleaning assembly is arranged outside the fixed rod (5), a plurality of scrapers (7) are arranged at equal angles in the cleaning assembly, and the cleaning assembly drives the scrapers (7) to clean the inner wall of the reactor (2). A fixed disc (8) is arranged at the bottom end of the cleaning assembly, connecting plates (9) are symmetrically fixed on the outer wall of the fixed disc (8), a connecting shaft (10) is in limit rotational connection at the central axis of the catalyst bed layer (3), a scattering assembly is arranged at the top end of the catalyst bed layer (3), shaking plates (12) are fixed on both sides of the scattering assembly, and the scattering assembly drives the shaking plates (12) to scatter the bridging area.

2. The high-conversion-rate, low-energy-consumption methanol cracking hydrogen production skid-mounted unit according to claim 1, characterized in that: One end of the compression spring (4) is fixedly connected with the catalyst bed layer (3), the other end of the compression spring (4) is fixedly connected with the convex block on the inner wall of the reactor (2), the fixed rod (5) is fixedly connected with the inner wall of the reactor (2), the connecting plate (9) is fixedly connected with the catalyst bed layer (3), and the connecting shaft (10) penetrates through the catalyst bed layer (3).

3. The high-conversion-rate, low-energy-consumption methanol cracking hydrogen production skid-mounted unit according to claim 1, characterized in that: The cleaning assembly comprises a rotating column (601) rotatably connected with the fixed rod (5), a rotating part (602) is fixed at the top end of the rotating column (601), the top end of the rotating part (602) is fixedly connected with the connecting shaft (10), a plurality of cavities are formed at equal angles on the inner wall of the rotating part (602), the inner wall of the cavity is in limit rotational connection with the scraper (7), a rotating plate (603) is fixed on one side of the scraper (7), two sliding columns (604) are symmetrically fixed on one side of the rotating plate (603), the sliding columns (604) are slidably connected with a fixing part (606), a plurality of guide frames (605) are fixed at equal angles on the inner top end of the fixing part (606), and a connecting column (607) is fixed at the central axis of the inner top end of the fixing part (606).

4. The high-conversion-rate, low-energy-consumption methanol cracking hydrogen production skid-mounted unit according to claim 3, characterized in that: The guide frame (605) is composed of an L-shaped frame and a triangular arc block, the fixing member (606) is provided with a cavity matched with the triangular arc block of the guide frame (605), and the cross section of the cavity is herringbone-shaped.

5. A high-conversion, low-energy-consumption methanol cracking hydrogen production skid-mounted unit according to claim 3, characterized in that: The rotating column (601) penetrates through the fixing member (606) and the connecting column (607), the fixing member (606) is located at the inner cavity of the rotating member (602), the connecting column (607) is in limit rotational connection with the rotating column (601), and the outer wall of the connecting column (607) is fixedly connected with the fixed disc (8).

6. A high-conversion, low-energy-consumption methanol cracking hydrogen production skid-mounted unit according to claim 3, characterized in that: The top end of the rotating member (602) is in limit rotational connection with the catalyst bed layer (3), the bottom end of the rotating member (602) is in limit rotational connection with the fixed disc (8), and a spiral groove matched with the convex block on the outer wall of the fixed rod (5) for movement is formed in the rotating column (601).

7. A high-conversion, low-energy-consumption methanol cracking hydrogen production skid-mounted unit according to claim 3, characterized in that: The sliding column (604) is slidably connected with the bottom end of the fixing member (606), and the sliding column (604) slides in the herringbone-shaped cavity formed by the fixing member (606) and the guide frame (605).

8. A high-conversion, low-energy-consumption methanol cracking hydrogen production skid-mounted unit according to claim 1, characterized in that: The dispersing assembly includes a rotating frame (111) fixed to the outer wall of the connecting shaft (10), a rotating seat (112) rotatably connected inside the rotating frame (111), a swing column (113) rotatably connected inside the rotating seat (112), a swing rod (114) fixed inside the swing column (113), and a fixed frame (115) penetratingly connected to the swing rod (114).

9. A high-conversion, low-energy-consumption methanol cracking hydrogen production skid-mounted unit according to claim 8, characterized in that: The fixed frame (115) is fixedly connected to the top of the catalyst bed (3), and both ends of the swing rod (114) are fixedly connected to the shaking plate (12).

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