Efficient separator for improving bed material quality

By introducing a combination of filter elements and air inlet elements into the combustion furnace bed separator, the problem of small particulate ash particles in flue gas not being separated in the existing technology has been solved, achieving high efficiency in flue gas cleanliness and improved fuel utilization.

CN223570345UActive Publication Date: 2025-11-21PING HU RE DIAN CHANG
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Patent Information

Application Number
CN202423094258.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-11-21
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

The existing combustion furnace bed separator lacks a filter component at the flue gas outlet, resulting in the ineffective separation of small particulate ash in the flue gas and affecting the cleanliness of the flue gas.

Method used

A high-efficiency separator was designed, comprising a separator body, a filter element, and an air inlet element. The air inlet element guides the flue gas into the separator body. The combined structure of rotation and filter element enables the settling and filtration of solid particles in the flue gas. In particular, small particulate ash is removed by filtering through the mesh shell. A cleaning motor and vibration device are also provided to ensure filtration efficiency.

Benefits of technology

It effectively removes small particulate ash from the flue gas, ensuring the cleanliness of the separator's exhaust, extending the equipment's service life, and improving fuel utilization.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an efficient separator for improving bed material quality, and relates to the field of efficient separators. The device comprises a separator body, a filter part and an air inlet part, the separator body comprises a separation shell, the top of the outer wall of the separation shell is fixedly communicated with an air inlet end opening, the bottom end of the separation shell is vertically communicated with an ash discharging end opening, the filter part is vertically arranged at the top end of the separation shell in a penetrating mode, and the filter part comprises a filter shell cylinder; the filter shell cylinder is fixed to the top end face of the separation shell in a penetrating mode, the bottom face of the filter shell cylinder is provided with an opening, the top end of the filter shell cylinder vertically communicates with and is fixedly provided with an air outlet cylinder, a mesh cylinder shell is vertically arranged in the filter shell cylinder, and the top end of the mesh cylinder shell is provided with an opening. Small-particle ash materials existing in smoke are filtered by the mesh barrel shell and left in the separator body, the small-particle ash materials lacking in the smoke are filtered and removed through the filtering piece arranged at the smoke exhaust port of the separator, and the cleanliness of smoke exhaust of the separator is guaranteed.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of high-efficiency separators, and in particular to a high-efficiency separator for improving bed material quality. BACKGROUND

[0002] A combustion furnace bed material separator is an important component in a circulating fluidized bed boiler system, and its main function is to separate unburned particulate matter, i.e., bed material or ash, from flue gas and to send the particulate back to the combustion chamber to improve fuel utilization and combustion efficiency.

[0003] The existing patent with the patent number CN201555464U and the name of a regenerative fly ash separator is a volute outer cylinder and a cone connected in sequence; the regenerative fly ash separator is provided with a circular inner cylinder used as a gas outlet pipeline, the upper end of the circular inner cylinder is connected with the top end of the volute outer cylinder, and the lower end is suspended in the volute outer cylinder; wherein the volute outer cylinder and the cone are respectively three-layer structures, the outer layer is a thermal insulation material layer, the middle layer is a metal layer, and the inner layer is a regenerative material layer; the circular inner cylinder is a two-layer structure, the outer layer is a regenerative material layer, and the inner layer is a metal layer, which is more suitable for separating waste gas dust of a grate cooler, and in particular can adjust the temperature of waste gas entering a kiln head waste heat boiler. It can effectively reduce the fly ash concentration entering the kiln head waste heat boiler, so as to achieve the purpose of reducing the wear of the kiln head boiler and prolonging the service life of the kiln head waste heat boiler.

[0004] For the related technology in the above, the inventors find that the above-mentioned separator adopts a single-cylinder structure to separate the ash material in the flue gas, uses centrifugal force to separate the ash material in the flue gas, and directly discharges the separated flue gas from the exhaust gas outlet, but small-particle ash material exists in the flue gas, and the exhaust gas outlet of the separator lacks a filtering component, which affects the cleanliness of the exhaust gas of the separator. Practical new type content

[0005] In order to overcome the situation that the existing flue gas is directly discharged from the exhaust gas outlet, but small-particle ash material exists in the flue gas, and the exhaust gas outlet of the separator lacks a filtering component, which affects the cleanliness of the exhaust gas of the separator, the present application provides a high-efficiency separator for improving bed material quality.

[0006] The high-efficiency separator for improving bed material quality provided by the present application adopts the following technical solution:

[0007] The utility model provides a high -efficient separator of lifting bed material quality, including separator body, filter piece and air inlet spare, the separator body includes separation casing, the top of outside wall of separation casing is fixed and is communicated with air inlet port, and the bottom end of separation casing is vertically communicated and is seted up with the ash outlet port, the top end of separation casing is vertically through and is provided with filter piece, filter piece includes filter shell cylinder, filter shell cylinder is fixed on the top end surface of separation casing, and the bottom surface opening of filter shell cylinder is seted up, the top end of filter shell cylinder is vertically communicated and is fixed with the air outlet cylinder, and the inside of filter shell cylinder is vertically seted up with mesh hole cylinder shell, the top end opening of mesh hole cylinder shell is seted up, and the top end of mesh hole cylinder shell is fixed on the inner wall of filter shell cylinder, and the air inlet port is provided with air inlet spare.

[0008] Through adopting the above technical scheme, the flue gas is guided through the air inlet port of the separation casing by the air inlet spare and enters the separator body, the flue gas rotates in the separation casing of the separator body, the solid particles in the flue gas settle downward, and then the flue gas enters the filter piece upward, the flue gas flows through the mesh hole cylinder shell to remove impurities, and the flue gas is discharged from the air outlet cylinder, so that the small particle ash in the flue gas is filtered and retained in the separator body by the mesh hole cylinder shell, the filter piece arranged at the exhaust port of the separator removes the small particle ash in the flue gas, and the cleanliness of the flue gas discharged from the separator is ensured.

[0009] Optionally, a cleaning motor is vertically fixed to the inner bottom surface of the mesh hole cylinder shell, and the output end of the cleaning motor penetrates the bottom surface of the mesh hole cylinder shell.

[0010] Through the above technical scheme, the cleaning motor in the mesh hole cylinder shell is started, and the cleaning motor drives the scraper to remove the dust and impurities on the outer wall of the mesh hole cylinder shell.

[0011] Optionally, a cloth sleeve is vertically sleeved to the outer wall of the mesh hole cylinder shell, and the scraper is rotatably connected to the bottom surface of the mesh hole cylinder shell, and the scraper is fixedly connected to the output end of the cleaning motor.

[0012] Through the above technical scheme, the cleaning motor drives the scraper to rotate, the scraper abuts against the outer wall of the cloth sleeve, the rotating scraper scrapes off the impurities adhered to the outer wall of the cloth sleeve, and the filtering efficiency of the cloth sleeve is effectively ensured.

[0013] Optionally, the air inlet spare includes an air inlet shell pipe, the air inlet shell pipe is vertically arranged at the air inlet port of the separation casing, a plurality of turbulence plates are arranged on the vertical inner wall of the air inlet shell pipe in the vertical direction, and one end of the plurality of turbulence plates is fixedly arranged on the inner wall of the air inlet shell pipe in an inclined downward manner.

[0014] Through the above technical scheme, when the flue gas flows upward in the separation casing, the upward flowing flue gas is blocked by the plurality of turbulence plates, the flow rate of the flue gas is slowed down by the plurality of turbulence plates, and the dust in the flue gas falls into the air inlet shell pipe.

[0015] Optionally, the bottom end of the air inlet shell pipe is penetrated through and fixed with a dust collecting box, and the bottom end of the dust collecting box is open, and a plug is inserted into the dust collecting box.

[0016] By adopting the above technical scheme, the dust in the flue gas falls into the dust collecting box, the plug at the bottom end of the dust collecting box is pulled out, and the solid particles in the flue gas are collected.

[0017] Optionally, two supports are symmetrically arranged at the bottom of the air inlet shell pipe, and the bottom ends of the two supports are fixedly connected through fixing screws.

[0018] By adopting the above technical scheme, the supports are arranged on both sides of the air inlet shell pipe for bearing and supporting the air inlet shell pipe, and then the bottom ends of the supports are locked and fixed through the fixing screws.

[0019] Optionally, a plurality of springs are vertically fixed on the top surfaces of the two supports, the top ends of the plurality of springs are fixed at the bottom of the air inlet shell pipe, and a vibration motor is horizontally fixed on the upper side of the bottom of the air inlet shell pipe.

[0020] By adopting the above technical scheme, in order to accelerate the dust in the flue gas to fall into the dust collecting box, the vibration motor is started to drive the air inlet shell pipe to vibrate, the air inlet shell pipe vibrates under the support of the springs, and the dust in the flue gas quickly falls into the dust collecting box.

[0021] Optionally, a corrugated pipe is fixedly connected at the top end of the air inlet shell pipe, and the other end of the corrugated pipe is fixedly connected to the air inlet port.

[0022] By adopting the above technical scheme, in order to ensure the effectiveness of the vibration of the air inlet shell pipe, the corrugated pipe is fixedly connected at the air inlet port on the separation shell at the top end of the air inlet shell pipe, so as to facilitate the effectiveness of the air inlet of the air inlet shell pipe.

[0023] In summary, the present application has at least one of the following beneficial technical effects: in use, the flue gas is guided through the air inlet port on the separation shell of the separator body through the air inlet member and enters the separator body, the flue gas rotates in the separation shell of the separator body, the solid particles in the flue gas sink downward, and are reflowed to the sulfurization bed body through the ash falling port, then the flue gas enters the filter member upward, the flue gas flows upward and is filtered by the mesh hole cylinder shell to remove impurities, and the flue gas is discharged from the air outlet cylinder upward, so that the flue gas is discharged from the air outlet cylinder, the small particle ash in the flue gas is filtered by the mesh hole cylinder shell and remains in the separator body, and the filter member arranged at the smoke exhaust port of the separator filters and removes the small particle ash in the flue gas, thereby ensuring the cleanliness of the smoke exhaust of the separator. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a whole structure schematic diagram of the embodiment of the present application.

[0025] Figure 2is a structural schematic diagram of the whole embodiment of the present application in a disassembled state;

[0026] Figure 3 is a structural schematic diagram of the separator body of the embodiment of the present application in a disassembled state;

[0027] Figure 4 is a structural schematic diagram of the air inlet member of the embodiment of the present application in a disassembled state.

[0028] Reference signs: 1, separator body; 11, separation shell; 12, air inlet port; 13, ash outlet port; 2, filter member; 21, filter shell cylinder; 22, air outlet cylinder; 23, mesh cylinder shell; 24, cloth sleeve; 25, scraping frame; 26, cleaning motor; 3, air inlet member; 31, air inlet shell pipe; 32, corrugated pipe; 33, spoiler; 34, ash collection box; 35, plug; 36, bracket; 361, fixing screw; 37, spring; 38, vibration motor. DETAILED DESCRIPTION

[0029] The present application is further described in detail below with reference to the accompanying drawings.

[0030] The embodiment of the present application discloses a high-efficiency separator for improving the quality of bed materials. Referring to Figure 1 , Figure 2 , Figure 3 and Figure 4 , a high-efficiency separator for improving the quality of bed materials, comprising a separator body 1, a filter member 2 and an air inlet member 3, the separator body 1 comprises a separation shell 11, the outer wall of the separation shell 11 is fixedly connected with an air inlet port 12 at the top, and the bottom end of the separation shell 11 is vertically connected with an ash outlet port 13, the top end of the separation shell 11 is vertically provided with the filter member 2, the filter member 2 comprises a filter shell cylinder 21, the filter shell cylinder 21 is fixedly connected to the top end surface of the separation shell 11, and the bottom surface of the filter shell cylinder 21 is provided with an opening, the top end of the filter shell cylinder 21 is vertically connected with an air outlet cylinder 22, and the inside of the filter shell cylinder 21 is vertically provided with a mesh cylinder shell 23, the top end of the mesh cylinder shell 23 is provided with an opening, and the top end of the mesh cylinder shell 23 is fixed to the inner wall of the filter shell cylinder 21, and the air inlet port 12 is provided with the air inlet member 3.

[0031] By adopting the above technical scheme, the flue gas is guided to enter the separator body 1 through the gas inlet port 12 on the separation shell 11 by the gas inlet member 3, the flue gas rotates in the separation shell 11 of the separator body 1, the solid particles in the flue gas settle downward, and then flow back to the sulfurization bed body through the ash discharge port 13 for combustion, and then the flue gas enters the filter member 2 upward, the flue gas flows upward through the mesh cylinder shell 23 to remove impurities, and then the flue gas is discharged from the gas outlet cylinder 22, so that the flue gas is discharged from the gas outlet cylinder 22, the small particle ash in the flue gas is filtered and retained in the separator body 1 by the mesh cylinder shell 23, the filter member 2 arranged at the separator smoke outlet removes the small particle ash in the flue gas, and the cleanliness of the flue gas discharged from the separator is ensured.

[0032] With reference to Figure 3 , the inside bottom surface of the mesh cylinder shell 23 is vertically fixed with a cleaning motor 26, and the output end of the cleaning motor 26 penetrates through the bottom surface of the mesh cylinder shell 23. In use, the cleaning motor 26 in the mesh cylinder shell 23 is started to drive the scraper 25 to remove the dust and impurities on the outer wall of the mesh cylinder shell 23. The outer wall of the mesh cylinder shell 23 is vertically sleeved with a cloth sleeve 24, and the bottom surface of the mesh cylinder shell 23 is rotatably connected with the scraper 25, and the scraper 25 is fixedly connected with the output end of the cleaning motor 26. The cleaning motor 26 drives the scraper 25 to rotate, and the scraper 25 abuts against the outer wall of the cloth sleeve 24. The rotating scraper 25 scrapes off the impurities adhered to the outer wall of the cloth sleeve 24, effectively ensuring the filtering efficiency of the cloth sleeve 24.

[0033] With reference to Figure 4 , the gas inlet member 3 comprises a gas inlet shell pipe 31, which is vertically arranged at the gas inlet port 12 of the separation shell 11, and a plurality of turbulence plates 33 are arranged on the vertical inner wall of the gas inlet shell pipe 31 in the vertical direction, and one end of the plurality of turbulence plates 33 is fixedly inclined downward on the inner wall of the gas inlet shell pipe 31. In use, when the flue gas flows upward in the separation shell 11, the upward flowing flue gas is blocked by the plurality of turbulence plates 33, the flow rate of the flue gas is slowed down by the plurality of turbulence plates 33, and the dust in the flue gas falls into the gas inlet shell pipe 31. The bottom end of the gas inlet shell pipe 31 penetrates through a dust collecting box 34, the bottom end of the dust collecting box 34 is open, and a plug 35 is inserted into the dust collecting box 34. In use, the dust in the flue gas falls into the dust collecting box 34, the plug 35 at the bottom end of the dust collecting box 34 is pulled out, and the solid particles in the flue gas are collected.

[0034] With reference to Figure 4, the bottom of the air inlet shell pipe 31 is symmetrically provided with two supports 36 on both sides, and the bottom ends of the two supports 36 are fixedly connected through fixing screws 361. The support 36 is arranged on both sides of the air inlet shell pipe 31 and is used for bearing and supporting the air inlet shell pipe 31, and then the bottom end of the support 36 is locked and fixed through the fixing screw 361. A plurality of springs 37 are vertically fixed on the top surface of the two supports 36, and the top ends of the plurality of springs 37 are fixed at the bottom of the air inlet shell pipe 31. The bottom of the air inlet shell pipe 31 is horizontally fixed with a vibration motor 38. In order to accelerate the falling of dust in the flue gas into the dust collecting box 34, the vibration motor 38 is started to drive the air inlet shell pipe 31 to vibrate, and the air inlet shell pipe 31 vibrates under the support of the spring 37, so that the dust in the flue gas falls into the dust collecting box 34 quickly. The top end of the air inlet shell pipe 31 is fixedly connected with the corrugated pipe 32, and the other end of the corrugated pipe 32 is fixedly connected with the air inlet port 12. In use, in order to ensure the effectiveness of the vibration of the air inlet shell pipe 31, the air inlet shell pipe 31 is fixedly connected with the air inlet port 12 on the separation shell 11 through the corrugated pipe 32 at the top end of the air inlet shell pipe 31, so as to facilitate the effectiveness of the air inlet of the air inlet shell pipe 31.

[0035] The implementation principle of the high-efficiency separator for improving the quality of the bed material is as follows: in use, the flue gas is guided through the air inlet part 3 to enter the separator body 1 through the air inlet port 12 on the separation shell 11. The flue gas rotates in the separation shell 11 of the separator body 1, and the solid particles in the flue gas sink downward and reflow to the sulfurization bed body through the ash discharging port 13 for combustion. Then the flue gas enters the filter part 2 upward, and the upward flowing flue gas is filtered by the mesh hole cylinder shell 23 to remove impurities. The flue gas is discharged from the air outlet cylinder 22 upward, so that the flue gas is discharged from the air outlet cylinder 22. Small particle ash in the flue gas is filtered by the mesh hole cylinder shell 23 and remains in the separator body 1. When the flue gas flows upward in the separation shell 11, the upward flowing flue gas is blocked by the plurality of spoiler plates 33, the flow rate of the flue gas is slowed down by the plurality of spoiler plates 33, the dust in the flue gas falls in the air inlet shell pipe 31, and the dust in the flue gas falls into the dust collecting box 34. The plug 35 at the bottom of the dust collecting box 34 is pulled out to collect the solid particles in the flue gas.

[0036] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application. Therefore, any equivalent changes made on the basis of the structure, shape and principle of the present application should be covered by the protection scope of the present application.

Claims

1. A high efficiency separator for improving bed material quality, characterized in that, Including separator body (1), filter piece (2) and air inlet piece (3), the separator body (1) includes separation shell (11), the outer wall top of the separation shell (11) is fixedly connected with air inlet port (12), and the bottom end of the separation shell (11) is vertically communicated and is provided with ash outlet (13), the top end of the separation shell (11) is vertically provided with the filter piece (2), the filter piece (2) includes filter shell cylinder (21), the filter shell cylinder (21) is fixedly connected on the top end surface of separation shell (11), and the bottom surface of the filter shell cylinder (21) is open, the top end of the filter shell cylinder (21) is vertically communicated and is fixed with air outlet cylinder (22), and the inside of the filter shell cylinder (21) is vertically provided with mesh cylinder shell (23), the top end of the mesh cylinder shell (23) is open, and the top end of the mesh cylinder shell (23) is fixed on the inner wall of the filter shell cylinder (21), the air inlet port (12) is provided with the air inlet piece (3).

2. A high efficiency separator for improved bed material quality as claimed in claim 1 wherein: The inside bottom surface of the mesh cylinder shell (23) is vertically fixed with cleaning motor (26), and the output end of the cleaning motor (26) is arranged through the bottom surface of the mesh cylinder shell (23).

3. A high efficiency separator for improved bed material quality as claimed in claim 2 wherein: The outer wall of the mesh cylinder shell (23) is vertically sleeved with cloth sleeve (24), and the bottom surface of the mesh cylinder shell (23) is rotatably connected with scraper frame (25), and the scraper frame (25) is fixedly connected with the output end of the cleaning motor (26).

4. A high efficiency separator for improved bed material quality as claimed in claim 3 wherein: The air inlet piece (3) includes air inlet shell pipe (31), the air inlet shell pipe (31) is vertically arranged at the air inlet port (12) of the separation shell (11), and a plurality of spoiler plates (33) are arranged on the vertical inner wall of the air inlet shell pipe (31) in the vertical direction, one end of the plurality of spoiler plates (33) is fixedly inclined downward on the inner wall of the air inlet shell pipe (31).

5. A high efficiency separator for improved bed material quality as claimed in claim 4 wherein: The bottom end of the air inlet shell pipe (31) is fixedly provided with dust collecting box (34), and the bottom end of the dust collecting box (34) is open, and the dust collecting box (34) is inserted with plug (35).

6. A high efficiency separator for improved bed material quality as claimed in claim 5 wherein: The bottom of the air inlet shell pipe (31) is provided with two supports (36) on both sides, and the bottom ends of the two supports (36) are fixedly connected by fixing screws (361).

7. A high efficiency separator for improved bed material quality as claimed in claim 6 wherein: A plurality of springs (37) are fixedly arranged on the top surface of the two supports (36), and the top ends of the plurality of springs (37) are fixed on the bottom of the air inlet shell pipe (31), and a vibration motor (38) is horizontally fixed on the top of the bottom of the air inlet shell pipe (31).

8. A high efficiency separator for improved bed material quality as claimed in claim 7 wherein: The top end of the air inlet shell pipe (31) is fixedly connected with corrugated pipe (32), and the other end of the corrugated pipe (32) is fixedly connected on the air inlet port (12).

Citation Information

Patent Citations

  • Regenerative fly ash separator

    CN201555464U