CN-121988235-A - Fluidized bed structure with external support

Abstract

The invention discloses a fluidized bed structure with external support, which belongs to the field of fluidized bed equipment and comprises a fluidized bed body, a supporting ring, a plurality of clamping parts, a plurality of lower supporting parts and a plurality of lower supporting parts, wherein the fluidized bed body is in a circular truncated cone shape and has a full cone angle of 8-10 degrees, the supporting ring is connected with an upper platform and sleeved on the upper side of the fluidized bed body, the clamping parts are arranged on the supporting ring and uniformly distributed along the circumferential direction of the supporting ring, the lower supporting parts are connected with a lower platform and uniformly distributed around the lower side of the fluidized bed body, the fluidized bed body is higher in production efficiency and better in fluidization quality, the fluidization state is optimized, the technical problems of nonuniform fluidization, gas short circuit and serious particle entrainment of a traditional cylindrical fluidized bed are effectively solved, the external support with omni-directional stability is realized through the upper and lower cooperation of the clamping parts of the supporting ring, the continuous vibration generated during operation of the fluidized bed is effectively dissipated, the rigid impact is avoided, the operation stability is greatly improved, and the service life is greatly prolonged.

Inventors

• WANG YUE
• QIN HAOCHEN
• ZHANG WEI
• XU HAO
• An Jinxuan
• GAO ZHAN
• ZHAO JUNBO
• ZHOU SHAOQIANG
• ZHONG XIONG
• Zhi Hongqiang

Assignees

• 中核第七研究设计院有限公司

Dates

Publication Date

20260508

Application Date

20260331

Claims (10)

1. 1. A fluidized bed structure having an outer support, comprising: The fluidized bed body (1) is in a round table shape and has a full cone angle of 8-10 degrees; The support ring (2) is connected with the upper platform, and the support ring (2) is sleeved on the upper side of the fluidized bed body (1); The clamping components (3) are arranged on the supporting ring (2) and are uniformly distributed along the circumferential direction of the supporting ring (2) and used for clamping and supporting the upper side of the fluidized bed body (1); and the lower supporting parts (4) are connected with the lower platform, and the lower supporting parts (4) are uniformly distributed around the lower side of the fluidized bed body (1) and are used for clamping and supporting the lower side of the fluidized bed body (1).
2. 2. A fluidized bed structure with external support according to claim 1, characterized in that the clamping member (3) comprises: the radial limiting blocks (31) and the upper cushion blocks (32) are respectively arranged on the inner side and the outer side of the supporting ring (2), and sliding columns (33) are connected inside the radial limiting blocks (31) in a sliding manner; one end of the sliding column (33) is provided with a first bolt rod (34) which can elastically stretch out and draw back, the other end of the sliding column is connected with an upper supporting block (36), and through holes matched with the first bolt rod (34) are formed in the radial limiting block (31), the upper cushion block (32) and the supporting ring (2); and a locking piece (35) which is matched with the upper cushion block (32) and locks the position of the first bolt rod (34).
3. 3. A fluidized bed structure with external support according to claim 2, characterized in that the interior of the slide column (33) is provided with an inner cavity (5) slidingly connected with the inner end of the first bolt rod (34), a first elastic member (6) being arranged between the inner wall of the inner cavity (5) and the inner end of the first bolt rod (34).
4. 4. A fluidized bed structure with external support according to claim 3, characterized in that the inner end of the sliding column (33) is provided with a second elastic member (7), the other end of the second elastic member (7) being connected to the radial stopper (31).
5. 5. A fluidized bed structure with external support according to claim 2, characterized in that the lower support member (4) comprises: a lower support base (41) is connected with a sliding seat (42) in a sliding manner, one end of the sliding seat (42) is provided with a second bolt rod (43) which can elastically stretch out and draw back, and the other end of the sliding seat is connected with a lower support block (45); The lower support base (41) is provided with a lower cushion block (44) and a locking piece (35), and the locking piece (35) is used for being matched with the lower cushion block (44) and locking the position of the second bolt rod (43).
6. 6. A fluidized bed structure with external support according to claim 5, characterized in that the interior of the slide (42) is provided with a slide cavity (8) slidingly connected with one end of the second bolt bar (43), a third elastic member (9) being provided between the inner wall of the slide cavity (8) and the end of the second bolt bar (43).
7. 7. A fluidized bed structure with external support according to claim 6, characterized in that a fourth elastic member (10) is arranged between the slide (42) and the lower support base (41), and the fourth elastic member (10) is sleeved outside the second bolt rod (43).
8. 8. The fluidized bed structure with external support according to claim 5, characterized in that a plurality of locking holes (11) distributed in a ring shape are formed on each of the upper cushion block (32) and the lower cushion block (44); the locking piece (35) comprises a locking nut (351), the first bolt rod (34) and the second bolt rod (43) are in threaded fit with the locking nut (351), and the locking nut (351) is in threaded connection with a threaded bolt (352) matched with the locking hole (11).
9. 9. The fluidized bed structure with external support according to claim 5, characterized in that two support plates (12) are arranged at the other end of the sliding seat (42), a connecting rod (13) is rotatably connected between the two support plates (12), and the external end of the connecting rod (13) is connected with the lower support block (45); The connecting rod (13) is provided with a limiting component (14) which is used for being matched with the support plate (12) to lock the angle of the connecting rod (13).
10. 10. The fluidized bed structure with external support according to claim 9, characterized in that the support plate (12) is provided with an arc-shaped groove (15), the limiting assembly (14) comprises a screw rod (141) arranged on the connecting rod (13), the screw rod (141) is in sliding fit with the arc-shaped groove (15), and a fastening nut (142) is connected to the screw rod (141) in a threaded manner.

Description

Fluidized bed structure with external support Technical Field The invention relates to the technical field of fluidized bed equipment, in particular to a fluidized bed structure with an external support. Background A fluidized bed is an engineering device in which a solid particulate material (typically a powder or small particles) is packed to exhibit fluid-like behaviour under the influence of a fluid (gas or liquid). In particular, when a fluid (gas or liquid) passes through a solid particle layer accumulated in a fluidized bed from bottom to top at a certain speed, the drag force of the fluid on the particles gradually counteracts the gravity of the particles as the speed of the fluid increases. When the flow rate reaches a critical value, the solid particles start to be suspended in the fluid and move freely throughout the bed. At this point, the bed of solid particles acquires certain properties of the fluid (such as flowability, transfer characteristics), a condition known as fluidization. The fluidized bed technology is widely applied to particle treatment processes in the industries of chemical engineering, energy, pharmacy and the like. When the traditional cylindrical fluidized bed is used for treating materials which are widely screened, are easy to raise and separate or have serious particle agglomeration, the problems of uneven fluidization, short gas circuit, serious particle entrainment and the like often occur, so that the reaction efficiency is low and the operation is unstable, meanwhile, the problems of equipment foundation loosening, weld joint cracking, inner member failure and the like are easily caused by the rigid support of the traditional fluidized bed under the continuous vibration due to the continuous vibration caused by the severe pulsation, bubble cracking, fan excitation and the like of gas-solid two-phase flow when the fluidized bed is operated, the operation stability and the service life of equipment are seriously influenced, and even structural safety accidents can be possibly caused. Accordingly, there is a need to provide a fluidized bed structure with an external support that solves the above-mentioned technical problems. Disclosure of Invention The invention aims to provide a fluidized bed structure with an external support so as to solve the technical problems. In order to achieve the above purpose, the present invention adopts the following technical scheme: a fluidized bed structure having an outer support, comprising: the fluidized bed body is in a shape of a circular table and has a full cone angle of 8-10 degrees; The support ring is connected with the upper platform and sleeved on the upper side of the fluidized bed body; The clamping parts are arranged on the supporting ring, are uniformly distributed along the circumferential direction of the supporting ring and are used for clamping and supporting the upper side of the fluidized bed body; And the lower supporting parts are connected with the lower platform and uniformly distributed around the lower side of the fluidized bed body and are used for clamping and supporting the lower side of the fluidized bed body. Further, the clamping member includes: The radial limiting block and the upper cushion block are respectively arranged at the inner side and the outer side of the supporting ring, and the inner part of the radial limiting block is connected with a sliding column in a sliding way; One end of the sliding column is provided with a first bolt rod which can elastically stretch out and draw back, the other end of the sliding column is connected with an upper supporting block, and the radial limiting block, the upper cushion block and the supporting ring are provided with through holes which are matched with the first bolt rod; and the locking piece is used for being matched with the upper cushion block and locking the position of the first bolt rod. Further, an inner cavity in sliding connection with the inner end of the first bolt rod is formed in the sliding column, and a first elastic piece is arranged between the inner wall of the inner cavity and the inner end of the first bolt rod. Further, a second elastic piece is arranged at the inner end of the sliding column, and the other end of the second elastic piece is connected with the radial limiting block. Further, the lower support member includes: The lower support base is connected with a sliding seat in a sliding manner, one end of the sliding seat is provided with a second bolt rod which can stretch out and draw back elastically, and the other end of the sliding seat is connected with a lower support block; the lower support base is provided with a lower cushion block and a locking piece, and the locking piece is used for being matched with the lower cushion block and locking the position of the second bolt rod. Further, a sliding cavity in sliding connection with one end of the second bolt rod is formed in the sliding seat, and a third elastic piec