Fluidized bed of circulating fluidized bed boiler

Abstract

The utility model relates to the technical field of circulating fluidized bed boilers, and discloses a circulating fluidized bed. The side surface of the air outlet pipeline is fixedly connected with a plurality of bearing vertical plates, a sliding groove, a T-shaped sliding rod, an operating handle, an L-shaped connecting rod, a traction cross rod, a filter plate outer frame, a filter bottom plate, an airflow through hole, a rotating shaft and a lifting plate. An operator pumps out reacted gas with tomato particles upwards through a gas outlet pipeline, bears a T-shaped sliding rod and an L-shaped connecting rod through a bearing vertical plate and a sliding groove, and operates and drives a traction transverse rod, a filter plate outer frame and a filter bottom plate to move forwards and backwards through an operation handle; the traction cross rod, the filter plate outer frame and the filter bottom plate can be alternately inserted in the side surface of the air outlet pipeline for use, the air flow through holes are used for air to pass through, meanwhile, the turning plate is driven to turn up and down through the rotation of the rotating shaft, and backflow of particles is avoided.

Description

Technical Field

[0001] The present application belongs to the technical field of circulating fluidized bed boilers, and specifically relates to a fluidized bed of a circulating fluidized bed boiler. Background Art

[0002] Circulating fluidized bed is often used in food processing because it can fully contact with particles and use high-speed airflow to keep the whole process dry. In particular, the processing of tomato powder is more frequent because tomatoes have more juice and are prone to corruption in the traditional drying process. It is necessary to quickly dry it into particles, so the fluidized bed is used more frequently.

[0003] For example, publication number: CN216205117U discloses a drying fluidized bed for food processing, which relates to the field of food processing equipment. The utility model includes a processing box, in which a pressure-maintaining chamber, a fluidizing chamber and an exhaust chamber are arranged in sequence from bottom to top, the pressure-maintaining chamber is separated from the fluidizing chamber by a first plate, the fluidizing chamber and the pressure-maintaining chamber are connected through a connecting pipe installed on the first plate, a solenoid valve is installed in the connecting pipe, an electric heating pipe is arranged in the pressure-maintaining chamber, and the bottom surface of the pressure-maintaining chamber is connected to a pressure blower through an air inlet pipe; so as to solve the problem that the existing aerated drying fluidized bed cannot be effectively preheated due to excessive gas velocity during aeration.

[0004] However, the application did not take into account that during use, because the input of airflow is used to take out the processed particles, but the unstable output of airflow may cause a certain degree of particle backflow. If the return air is too small during operation, the material in the returner will stop fluidizing or flowing, causing the returner to be blocked. Therefore, the return of particles can easily block the outlet, thereby breaking the airflow suspension state inside the fluidized bed, causing the production process of the entire device to stop. Therefore, in order to ensure the production status, the return particles need to be cleaned up in time. Utility Model Content

[0005] The purpose of the present application is to provide a fluidized bed of a circulating fluidized bed boiler in order to solve the above-mentioned problem of timely cleaning of returned material particles.

[0006] The technical solution adopted in the present application is as follows: a fluidized bed of a circulating fluidized bed boiler, wherein an air outlet pipe is fixedly inserted on the upper surface of an inner shell of the fluidized bed, and a plurality of bearing vertical plates are fixedly connected to the side surfaces of the bearing vertical plates, a sliding groove is provided on the side surfaces of the bearing vertical plates, a T-shaped sliding rod is slidably inserted in the sliding groove through the provided hole groove, an operating handle is fixedly inserted on the side surface of the T-shaped sliding rod, an L-shaped connecting rod is fixedly connected to the side surface of the T-shaped sliding rod, an end of the L-shaped connecting rod relative to the T-shaped sliding rod is fixedly connected to a traction cross rod, the side surface of the traction cross rod is fixedly connected to a filter plate outer frame, the side surface of the filter plate outer frame is fixedly connected to a filter bottom plate, a plurality of air flow through holes are provided on the side surface of the filter bottom plate, a plurality of rotating shafts are rotatably connected to the side surface of the filter bottom plate, and a tilting plate is fixedly connected to the side surface of the rotating shaft.

[0007] By adopting the above technical solution, the operator uses the outlet pipe to draw upward the reacted gas containing tomato particles, uses the supporting vertical plate and the sliding groove to carry the T-shaped sliding rod and the L-shaped connecting rod, and uses the operating handle to drive the traction cross bar, the filter plate outer frame, and the filter bottom plate to move forward and backward, so that the traction cross bar, the filter plate outer frame, and the filter bottom plate can be alternately plugged and used on the side surface of the outlet pipe, and the air flow perforations are used for gas to pass through. At the same time, the rotation of the rotating shaft is used to drive the tilting plate to flip up and down to avoid the backflow of particles.

[0008] The fluidized bed inner shell serves as a containment structure for the fluidized bed, and the gas outlet pipe is mainly used to discharge the fine particle suspension that has fully reacted upward.

[0009] The bearing vertical plate and the sliding groove serve as structures for bearing and accommodating the T-shaped sliding rod. In addition to providing support for the T-shaped sliding rod and connecting it to the main device, the sliding groove also limits the movement process of the T-shaped sliding rod, so that the movement process can be maintained in the same direction vector, making the operation smoother and more stable, saving time and effort.

[0010] The operating handle is used to allow the operator to operate directly, the L-shaped connecting rod is used to connect the T-shaped sliding rod and the traction cross bar, and the traction cross bar, the filter plate frame, and the filter bottom plate form a basic filter layer structure.

[0011] The structure formed by the traction cross bar, the filter plate frame and the filter bottom plate has two identical filter layer structures placed in a mirror-image arrangement. Its usefulness is that it can be pulled out repeatedly so that the filter layers can be used alternately. The greatest effect of alternating use is that it can clean the tomato particles in time and multiple times without affecting the use.

[0012] The air flow perforations are mainly used as passages to allow airflow with suspended particles to pass through. The combined structure formed by the rotating shaft, the tilting plate and the air flow perforations can achieve the goal of pushing the tilting plate open when the airflow moves from bottom to top, thereby allowing the airflow to pass through. When the airflow weakens, the tilting plate flips downward to cover the air flow perforations, allowing the particles to remain on the surface of the filter bottom plate and not fall downward.

[0013] Through the above structure, the operator can block, collect and regularly clean the possible tomato granular suspended matter without affecting the overall production process, thereby ensuring the safety of the overall device and making the operation simple, time-saving and labor-saving.

[0014] In a preferred embodiment, the inner side surface of the fluidized bed inner shell is fixedly connected to a fluidized bed bottom plate, and the side surface of the fluidized bed bottom plate is provided with a high temperature resistant metal mesh.

[0015] By adopting the above technical solution, the operator uses the high temperature resistant metal mesh as the supporting structure to prevent the particles in the inner shell of the fluidized bed from falling to the bottom of the outer shell and causing danger. The grid structure of the bottom plate of the fluidized bed provides a spatial passage for the blowing of airflow.

[0016] In a preferred embodiment, an air inlet chamber is fixedly connected to a side surface of one end of the fluidized bed bottom plate relative to the fluidized bed inner shell.

[0017] By adopting the above technical solution, the air inlet chamber is used as the air flow blowing structure of the fluidized bed. The air inlet chamber is also used to effectively separate the blower and the fluidized bed by a certain distance, thereby protecting the blower from being affected by high temperature.

[0018] In a preferred embodiment, an air supply pipe is fixedly connected to the side surface of the air inlet chamber.

[0019] By adopting the above technical solution, the air supply pipeline is used as the supply pipeline of the air flow.

[0020] In a preferred embodiment, a blower housing is fixedly connected to one end of the air supply pipe opposite to the air inlet chamber.

[0021] By adopting the above technical solution, the blower casing is used as a protective device for the blower and the blower is connected to the overall device.

[0022] In a preferred embodiment, a blower base is fixedly connected to the inner side surface of the blower housing, and a blower is fixedly connected to the side surface of the blower base.

[0023] By adopting the above technical solution, the blower base is used to place and fix the blower to prevent the device from being misplaced during the process of airflow agitation.

[0024] In a preferred embodiment, a perlite insulation layer is connected to the outer side surface of the fluidized bed inner shell.

[0025] By adopting the above technical solution, the perlite insulation layer is used as a temperature insulation layer.

[0026] In a preferred embodiment, the perlite insulation layer is fixedly connected to the fluidized bed outer shell on one side surface of the fluidized bed inner shell.

[0027] By adopting the above technical solution, the fluidized bed shell is used as the supporting structure of the entire device.

[0028] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are:

[0029] In the present application, the fluidized bed inner shell serves as a containment structure for the fluidized bed, and the gas outlet pipe is mainly used to guide the fine particle suspension that has fully reacted upward.

[0030] The bearing vertical plate and the sliding groove serve as structures for bearing and accommodating the T-shaped sliding rod. In addition to providing support for the T-shaped sliding rod and connecting it to the main device, the sliding groove also limits the movement process of the T-shaped sliding rod, so that the movement process can be maintained in the same direction vector, making the operation smoother and more stable, saving time and effort.

[0031] The operating handle is used to allow the operator to operate directly, the L-shaped connecting rod is used to connect the T-shaped sliding rod and the traction cross bar, and the traction cross bar, the filter plate frame, and the filter bottom plate form a basic filter layer structure.

[0032] The structure formed by the traction cross bar, the filter plate frame and the filter bottom plate has two identical filter layer structures placed in a mirror-image arrangement. Its usefulness is that it can be pulled out repeatedly so that the filter layers can be used alternately. The greatest effect of alternating use is that it can clean the tomato particles in time and multiple times without affecting the use.

[0033] The air flow perforations are mainly used as passages to allow airflow with suspended particles to pass through. The combined structure formed by the rotating shaft, the tilting plate and the air flow perforations can achieve the goal of pushing the tilting plate open when the airflow moves from bottom to top, thereby allowing the airflow to pass through. When the airflow weakens, the tilting plate flips downward to cover the air flow perforations, allowing the particles to remain on the surface of the filter bottom plate and not fall downward.

[0034] Through the above structure, the operator can block, collect and regularly clean the possible tomato granular suspended matter without affecting the overall production process, thereby ensuring the safety of the overall device and making the operation simple, time-saving and labor-saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 This is a schematic diagram of the overall device structure of this application;

[0036] Figure 2 A detailed schematic diagram of the inner shell of the fluidized bed in this application;

[0037] Figure 3 A detailed schematic diagram of the gas outlet pipe in this application;

[0038] Figure 4 A detailed schematic diagram of the filter base plate in this application;

[0039] Figure 5 It is a cross-sectional schematic diagram of the blower housing in this application.

[0040] Markings in the figure: 1. Fluidized bed inner shell; 2. Air outlet pipe; 3. Load-bearing vertical plate; 4. Sliding groove; 5. T-shaped sliding rod; 6. Operating handle; 7. L-shaped connecting rod; 8. Traction cross bar; 9. Filter plate outer frame; 10. Filter bottom plate; 11. Air flow perforation; 12. Rotating shaft; 13. Tilting plate; 14. Fluidized bed bottom plate; 15. High-temperature resistant metal mesh; 16. Air inlet chamber; 17. Air supply pipe; 18. Blower casing; 19. Blower base; 20. Blower; 21. Perlite insulation layer; 22. Fluidized bed casing. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0042] Reference Figure 1-5 ,

[0043] Embodiment: A fluidized bed of a circulating fluidized bed boiler, an air outlet pipe 2 is fixedly inserted on the upper surface of an inner shell 1 of the fluidized bed, a plurality of bearing upright plates 3 are fixedly connected to the side surface of the air outlet pipe 2, a sliding groove 4 is provided on the side surface of the bearing upright plate 3, a T-shaped sliding rod 5 is slidably inserted into the sliding groove 4 through the provided hole groove, an operating handle 6 is fixedly inserted on the side surface of the T-shaped sliding rod 5, an L-shaped connecting rod 7 is fixedly connected to the side surface of the T-shaped sliding rod 5, a traction cross bar 8 is fixedly connected to the side surface of the traction cross bar 8, a filter plate outer frame 9 is fixedly connected to the side surface of the traction cross bar 8, a filter plate outer frame 9 is fixedly connected to the side surface of the filter plate outer frame 9, a filter bottom plate 10 is fixedly connected to the side surface of the filter bottom plate 10, a plurality of air flow through holes 11 are provided on the side surface of the filter bottom plate 10, a plurality of rotating shafts 12 are rotatably connected to the side surface of the filter bottom plate 10, a tilting plate 13 is fixedly connected to the side surface of the rotating shaft 12.

[0044] The operator uses the fluidized bed inner shell 1 as the fluidized bed structure of the boiler, and uses the outlet pipe 2 to draw the tomato particles that have reacted upward, uses the supporting vertical plate 3 and the sliding groove 4 to carry the T-shaped sliding rod 5 and the L-shaped connecting rod 7, and uses the operating handle 6 to drive the traction cross bar 8, the filter plate outer frame 9, and the filter bottom plate 10 to move forward and backward, so that the traction cross bar 8, the filter plate outer frame 9, and the filter bottom plate 10 can be alternately plugged and used on the side surface of the outlet pipe 2, and the air flow perforation 11 is used for gas to pass through. At the same time, the rotation of the rotating shaft 12 is used to drive the tilting plate 13 to flip up and down to avoid the backflow of particles.

[0045] The fluidized bed inner shell 1 serves as a containment structure for the fluidized bed, and the gas outlet pipe 2 is mainly used to guide the fine particle suspension that has fully reacted upward.

[0046] The supporting vertical plate 3 and the sliding groove 4 serve as structures for supporting and accommodating the T-shaped sliding rod 5. In addition to providing support for the T-shaped sliding rod 5 and connecting it to the main device, the sliding groove 4 also limits the movement process of the T-shaped sliding rod 5, so that the movement process can be maintained in the same direction vector, making the operation smoother and more stable, saving time and effort.

[0047] The operating handle 6 is used for the operator to directly operate, and the L-shaped connecting rod 7 is used to connect the T-shaped sliding rod 5 and the traction cross bar 8. The traction cross bar 8, the filter plate outer frame 9, and the filter bottom plate 10 form a basic filter layer structure.

[0048] The structure formed by the traction cross bar 8, the filter plate outer frame 9, and the filter bottom plate 10 has two identical filter layer structures arranged in a mirror image. Its usefulness lies in that it can be pulled out repeatedly so that the filter layers can be used alternately. The greatest effect of alternating use is that it can clean the tomato particles in time and multiple times without affecting the use, thereby minimizing the risk of particles clogging the outlet and causing backflow.

[0049] The air flow through hole 11 is mainly used as a passage for allowing air flow with suspended particles to pass through. The combined structure formed by the rotating shaft 12, the tilting plate 13 and the air flow through hole 11 can realize that when the air flow moves from bottom to top, the tilting plate 13 can be pushed open to allow the air flow to pass through. When the air flow weakens, the tilting plate 13 flips downward to cover the air flow through hole 11, so that the particles can stay on the surface of the filter base plate 10 and will not fall downward.

[0050] Through the above structure, the operator can block, collect and regularly clean the possible tomato granular suspended matter without affecting the overall production process, thereby ensuring the safety of the overall device and making the operation simple, time-saving and labor-saving.

[0051] The inner side surface of the fluidized bed inner shell 1 is fixedly connected with a fluidized bed bottom plate 14, and the side surface of the fluidized bed bottom plate 14 is provided with a high temperature resistant metal mesh 15. The operator uses the high temperature resistant metal mesh 15 as a supporting structure to prevent the particles in the fluidized bed inner shell 1 from falling to the bottom of the outer shell and causing danger. The grid structure of the fluidized bed bottom plate 14 provides a space passage for the blowing of airflow.

[0052] The fluidized bed bottom plate 14 is fixedly connected to an air inlet chamber 16 on one side surface of the fluidized bed inner shell 1. The air inlet chamber 16 is used as an air flow blowing structure for the fluidized bed, and the air inlet chamber 16 is also used to effectively separate the blower from the fluidized bed by a certain distance, thereby protecting the blower from being affected by high temperature.

[0053] An air supply pipe 17 is fixedly connected to the side surface of the air inlet chamber 16. The air supply pipe 17 is used as a supply pipe for the air flow.

[0054] A blower housing 18 is fixedly connected to one end of the air supply pipe 17 relative to the air inlet chamber 16. The blower housing 18 is used as a protective device for the blower and connects the blower to the overall device.

[0055] The inner side surface of the blower housing 18 is fixedly connected with a blower base 19, and the side surface of the blower base 19 is fixedly connected with a blower 20. The blower base 19 is used to place and fix the blower 20 to prevent it from being misplaced during the airflow agitation process.

[0056] The outer side surface of the fluidized bed inner shell 1 is connected with a perlite insulation layer 21. The perlite insulation layer 21 is used as a thermal insulation layer.

[0057] The perlite insulation layer 21 is fixedly connected to a fluidized bed outer shell 22 on one side surface of the fluidized bed inner shell 1. The fluidized bed outer shell 22 is used as a supporting structure of the entire device.

[0058] The implementation principle of the fluidized bed embodiment of a circulating fluidized bed boiler of the present application is as follows: the operator uses the fluidized bed inner shell 1 as the fluidized bed structure of the boiler, and uses the outlet pipe 2 to draw the tomato particles that have reacted upward, uses the supporting vertical plate 3 and the sliding groove 4 to carry the T-shaped sliding rod 5 and the L-shaped connecting rod 7, and uses the operating handle 6 to drive the traction cross bar 8, the filter plate outer frame 9, and the filter bottom plate 10 to move forward and backward, so that the traction cross bar 8, the filter plate outer frame 9, and the filter bottom plate 10 can be alternately plugged and used on the side surface of the outlet pipe 2, and the air flow perforation 11 is used for gas to pass through. At the same time, the rotation of the rotating shaft 12 is used to drive the tilting plate 13 to flip up and down to avoid the backflow of particles.

[0059] The fluidized bed inner shell 1 serves as a containment structure for the fluidized bed, and the gas outlet pipe 2 is mainly used to guide the fine particle suspension that has fully reacted upward.

[0060] The supporting vertical plate 3 and the sliding groove 4 serve as structures for supporting and accommodating the T-shaped sliding rod 5. In addition to providing support for the T-shaped sliding rod 5 and connecting it to the main device, the sliding groove 4 also limits the movement process of the T-shaped sliding rod 5, so that the movement process can be maintained in the same direction vector, making the operation smoother and more stable, saving time and effort.

[0061] The operating handle 6 is used for the operator to directly operate, and the L-shaped connecting rod 7 is used to connect the T-shaped sliding rod 5 and the traction cross bar 8. The traction cross bar 8, the filter plate outer frame 9, and the filter bottom plate 10 form a basic filter layer structure.

[0062] The structure formed by the traction cross bar 8, the filter plate outer frame 9, and the filter bottom plate 10 has two identical filter layer structures placed in a mirror-image arrangement. Its usefulness is that it can be repeatedly pulled out and the filter layers can be used alternately. The greatest effect of alternating use is that it can clean tomato particles in time and multiple times without affecting the use, minimizing the risk of particles clogging the outlet and causing backflow.

[0063] The air flow through hole 11 is mainly used as a passage for allowing air flow with suspended particles to pass through. The combined structure formed by the rotating shaft 12, the tilting plate 13 and the air flow through hole 11 can realize that when the air flow moves from bottom to top, the tilting plate 13 can be pushed open to allow the air flow to pass through. When the air flow weakens, the tilting plate 13 flips downward to cover the air flow through hole 11, so that the particles can stay on the surface of the filter base plate 10 and will not fall downward.

[0064] Through the above structure, the operator can block, collect and regularly clean the possible tomato granular suspended matter without affecting the overall production process, thereby ensuring the safety of the overall device and making the operation simple, time-saving and labor-saving.

[0065] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A fluidized bed of a circulating fluidized bed boiler, comprising a fluidized bed inner shell (1), characterized in that: An air outlet pipe (2) is fixedly plugged into the upper surface of the fluidized bed inner shell (1), a plurality of supporting upright plates (3) are fixedly connected to the side surface of the air outlet pipe (2), a sliding groove (4) is provided on the side surface of the supporting upright plate (3), a T-shaped sliding rod (5) is slidably plugged into the sliding groove (4) through the hole groove, an operating handle (6) is fixedly plugged into the side surface of the T-shaped sliding rod (5), an L-shaped connecting rod (7) is fixedly connected to the side surface of the T-shaped sliding rod (5), and the L-shaped connecting rod (7) is fixedly connected to the side surface of the T-shaped sliding rod (5). One end of the rod (7) relative to the T-shaped sliding rod (5) is fixedly connected to a traction cross bar (8); the side surface of the traction cross bar (8) is fixedly connected to a filter plate outer frame (9); the side surface of the filter plate outer frame (9) is fixedly connected to a filter bottom plate (10); a plurality of air flow holes (11) are provided on the side surface of the filter bottom plate (10); a plurality of rotating shafts (12) are rotatably connected to the side surface of the filter bottom plate (10); and a tilting plate (13) is fixedly connected to the side surface of the rotating shaft (12).

2. The fluidized bed of a circulating fluidized bed boiler according to claim 1, characterized in that: The inner side surface of the fluidized bed inner shell (1) is fixedly connected to a fluidized bed bottom plate (14), and the side surface of the fluidized bed bottom plate (14) is provided with a high temperature resistant metal mesh (15).

3. The fluidized bed of a circulating fluidized bed boiler according to claim 2, characterized in that: An air inlet chamber (16) is fixedly connected to a side surface of one end of the fluidized bed bottom plate (14) relative to the fluidized bed inner shell (1).

4. The fluidized bed of a circulating fluidized bed boiler according to claim 3, characterized in that: An air supply pipe (17) is fixedly plugged into the side surface of the air inlet chamber (16).

5. The fluidized bed of a circulating fluidized bed boiler according to claim 4, characterized in that: A blower housing (18) is fixedly plugged into one end of the air supply pipe (17) opposite to the air inlet chamber (16).

6. The fluidized bed of a circulating fluidized bed boiler according to claim 5, characterized in that: A blower base (19) is fixedly connected to the inner side surface of the blower housing (18), and a blower (20) is fixedly connected to the side surface of the blower base (19).

7. The fluidized bed of a circulating fluidized bed boiler according to claim 1, characterized in that: The outer side surface of the fluidized bed inner shell (1) is connected to a perlite thermal insulation layer (21).

8. The fluidized bed of a circulating fluidized bed boiler according to claim 7, characterized in that: The perlite thermal insulation layer (21) is fixedly connected to a fluidized bed outer shell (22) on a side surface of one end opposite to the fluidized bed inner shell (1).

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