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CN-224215310-U - Novel supporting structure steam generator

CN224215310UCN 224215310 UCN224215310 UCN 224215310UCN-224215310-U

Abstract

The utility model relates to a novel support structure steam generator, and belongs to the technical field of steam generators. The heat exchange tube comprises two tube plates, heat exchange tubes and a supporting cylinder, wherein the two tube plates are arranged at two ends of the supporting cylinder, the heat exchange tubes are arranged in the supporting cylinder, the heat exchange tube further comprises at least one group of grid-shaped first supporting rings formed by crossing of a first vertical plate and a first transverse plate, at least one group of grid-shaped second supporting rings formed by crossing of a second vertical plate and a second transverse plate, the first supporting rings and the second supporting rings are arranged in the supporting cylinder and are arranged at intervals along the axial direction of the supporting cylinder, grids formed by the first supporting rings and the second supporting rings are arranged in the first supporting rings and the second supporting rings in a staggered mode, a pull rod is used for connecting and fixing the tube plates, the first supporting rings and the second supporting rings, and a stop block is arranged on the inner wall of the supporting cylinder and used for fixing the pull rod and the supporting cylinder. The utility model reduces the vibration of the heat exchange tube, reduces the abrasion and fatigue fracture risk of the heat exchange tube caused by the vibration, and prolongs the service life of the equipment.

Inventors

  • YANG HAIYAN
  • LIU FANG
  • ZHOU JINTIAN

Assignees

  • 山东美陵博德化工机械有限公司

Dates

Publication Date
20260508
Application Date
20250423

Claims (8)

  1. 1. The utility model provides a novel bearing structure steam generator, includes two tube sheet (1), heat exchange tube (2) and support section of thick bamboo (7), and support section of thick bamboo (7) both ends are arranged in to two tube sheet (1), and support section of thick bamboo (7) are arranged in heat exchange tube (2), a serial communication port, still includes At least one group of grid-shaped first support rings (3) formed by intersecting first vertical plates (302) and first transverse plates (301), at least one group of grid-shaped second support rings (4) formed by intersecting second vertical plates (402) and second transverse plates (401), wherein the first support rings (3) and the second support rings (4) are arranged in a support cylinder (7) and are axially arranged at intervals along the support cylinder (7), grids formed by the first support rings (3) and the second support rings (4) are arranged in a staggered manner, and heat exchange tubes (2) are arranged in the first support rings (3) and the second support rings (4); The pull rod (5) is used for connecting and fixing the tube plate (1), the first support ring (3) and the second support ring (4); The stop block (8) is arranged on the inner wall of the supporting cylinder (7) and is used for fixing the pull rod (5) and the supporting cylinder (7).
  2. 2. The novel support structure steam generator of claim 1 wherein the front ends of the first vertical plate (302) and the first transverse plate (301) facing the direction of flow of the medium form a wedge-shaped flow guiding structure.
  3. 3. The novel support structure steam generator of claim 2 wherein the front ends of the second vertical plate (402) and the second transverse plate (401) facing the direction of flow of the medium form a wedge-shaped flow guiding structure.
  4. 4. A novel support structure steam generator according to claim 3, wherein the first vertical plate (302), the first transverse plate (301), the second vertical plate (402) and the second transverse plate (401) are all made of stainless steel.
  5. 5. The novel support structure steam generator of claim 4, wherein the first vertical plate (302), the first transverse plate (301) and the support cylinder (7) are welded together, and the second vertical plate (402) and the second transverse plate (401) are welded together with the support cylinder (7).
  6. 6. The novel support structure steam generator according to claim 5, wherein the tie rod (5) is fixedly connected with the second support ring (4) through a nut (6).
  7. 7. A novel support structure steam generator according to any of claims 1-6, characterized in that four shock absorbing rods (9) are provided around each heat exchange tube (2) for filling and fixing.
  8. 8. The novel support structure steam generator of claim 7, wherein the shock absorbing rod (9) is made of rubber.

Description

Novel supporting structure steam generator Technical Field The utility model relates to a novel support structure steam generator, and belongs to the technical field of steam generators. Background A steam generator is a common heat exchange device, and is mainly used for transferring heat of a high-temperature fluid to water on the other side so as to enable the water to be vaporized to generate steam. The core structure of the heat exchanger consists of a plurality of tubes which are arranged in parallel, high-temperature fluid flows in the tube pass, heated water flows in the shell pass, and heat exchange is carried out through the tube wall. However, in the process of generating steam by water evaporation, two-phase flow induced vibration is easily induced, so that the heat exchange tube is worn, fatigued and even broken, and the service life and the operation stability of the steam generator are seriously affected. Disclosure of utility model The utility model aims to solve the technical problems of overcoming the defects of the prior art, providing the novel steam generator with the support structure, reducing the vibration of the heat exchange tube, reducing the abrasion and fatigue fracture risks of the heat exchange tube caused by the vibration, and prolonging the service life of equipment. The utility model relates to a novel support structure steam generator, which comprises two tube plates, heat exchange tubes, a support cylinder, a heat exchange tube and a support cylinder, wherein the two tube plates are arranged at two ends of the support cylinder, the heat exchange tube is arranged in the support cylinder, and the novel support structure steam generator also comprises At least one group of grid-shaped first support rings formed by crossing the first vertical plates and the first transverse plates, at least one group of grid-shaped second support rings formed by crossing the second vertical plates and the second transverse plates, the first support rings and the second support rings are arranged in the support cylinder and are arranged at intervals along the axial direction of the support cylinder, grids formed by the first support rings and the second support rings are arranged in a staggered manner, and the heat exchange tubes are arranged in the first support rings and the second support rings; The pull rod is used for connecting and fixing the tube plate, the first support ring and the second support ring; the stop block is arranged on the inner wall of the supporting cylinder and used for fixing the pull rod with the supporting cylinder. The front ends of the first vertical plate and the first transverse plate, which are right opposite to the medium flowing direction, form a wedge-shaped flow guiding structure. The wedge-shaped flow guiding structure can smoothly guide fluid flow, reduce flow resistance, disperse fluid impact force, reduce vibration risk and prolong the service life of the steam generator. And the front ends of the second vertical plate and the second transverse plate, which are right opposite to the medium flowing direction, form a wedge-shaped flow guiding structure. The wedge-shaped flow guiding structure can smoothly guide fluid flow, reduce flow resistance, disperse fluid impact force, reduce vibration risk and prolong the service life of the steam generator. The first vertical plate, the first transverse plate, the second vertical plate and the second transverse plate are made of stainless steel. Stainless steel has excellent corrosion resistance and can be stable under a variety of chemical media and environmental conditions. This feature allows the heat exchanger to remain in long-term stable operation while handling corrosive fluids, reducing equipment damage and maintenance costs due to corrosion. The first vertical plate, the first transverse plate and the supporting cylinder are connected in a welded mode, and the second vertical plate, the second transverse plate and the supporting cylinder are connected in a welded mode. The welded connection can ensure firm and reliable connection among the first vertical plate, the first transverse plate, the second vertical plate and the second transverse plate and the supporting cylinder. The firm connection can effectively prevent loosening or displacement during fluid impact or equipment operation, thereby improving the stability of the whole structure. The pull rod is fixedly connected with the second support ring through a nut. The nut connection is convenient to detach, so that the equipment is more convenient to maintain or replace parts. This design allows easy removal of the tie rod and the second support ring for inspection, cleaning or replacement without damaging the components. Four shock-absorbing rods are arranged on the periphery of each heat exchange tube and are filled and fixed. The vibration energy generated in the operation process of the heat exchange tube can be effectively absorbed by the vibratio