Spanning type molten salt pump supporting steel platform and molten salt pump supporting method

A molten salt pump and steel platform technology is applied in the field of structures supporting large-scale vertical long-axis rotary pumps, which can solve the problems of complicated construction, long cantilever distance, and high engineering cost, and achieve beautiful appearance, reduce engineering cost, and shorten construction. The effect of the construction period

Pending Publication Date: 2020-09-18
POWERCHINA XIBEI ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Second, the support structures put into use at home and abroad are all cantilevered molten salt pump support platforms. This kind of support platform has a long cantilever distance. Structural system, resulting in complex construction and expensive project cost

Method used

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  • Spanning type molten salt pump supporting steel platform and molten salt pump supporting method
  • Spanning type molten salt pump supporting steel platform and molten salt pump supporting method
  • Spanning type molten salt pump supporting steel platform and molten salt pump supporting method

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Experimental program
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Effect test

Embodiment 1

[0040] This embodiment provides a supporting steel platform for a spanning molten salt pump, including a three-dimensional frame, a spanning truss structure, an equipment platform layer, and an intermediate transition layer. The three-dimensional frame and the spanning truss structure are rigidly connected by beams, and the spanning truss structure Across the roof of the molten salt storage tank 7, the space between the three-dimensional frame and the spanning truss structure is the equipment platform layer, and the intermediate transition layer is arranged below the equipment platform layer;

[0041] The equipment platform layer includes a special-shaped support beam 3 and a horizontal support system. The special-shaped support beam 3 includes a transverse support beam and a longitudinal support beam. The transverse support beam is arranged between the three-dimensional frame and the spanning truss structure , the longitudinal support beam is arranged between the transverse su...

Embodiment 2

[0044]On the basis of Embodiment 1, this embodiment provides a spanning molten salt pump supporting steel platform, the three-dimensional frame includes longitudinal beams, beams and steel-concrete composite structural columns-1, and the spanning truss structure includes trusses Beam and steel-concrete composite structure column 2 12, the truss beam and steel-concrete composite structure column 2 12 are rigidly connected; the truss beam includes an upper chord steel beam, a lower chord steel beam 4 and a web 5, and the web 5 is arranged on the upper chord steel Between the beam and the lower chord steel beam 4, the lower chord steel beam 4 is rigidly connected to the transverse support beam.

[0045] The steel-concrete composite structure column 1 and the steel-concrete composite structure column 2 12 ensure the vertical and horizontal rigidity and bearing capacity of the overall support structure, and transmit all internal forces to the foundation.

Embodiment 3

[0047] On the basis of Embodiment 1, this embodiment provides a spanning molten salt pump supporting steel platform, the horizontal support system includes a horizontal support member 1 and a horizontal support member 2 13, and the horizontal support member 1 is set Between the beams of the three-dimensional frame, the second horizontal support member 13 is arranged between the special-shaped support beams 3 , and the arrangement density of the second horizontal support member 13 is higher than that of the first horizontal support member 2 .

[0048] Such as figure 1 As shown, the horizontal supporting member 13 arranged on the equipment platform layer adopts the "encrypted small triangle" arrangement, and the horizontal supporting member 1 2 arranged on the three-dimensional frame adopts the principle of "diagonally spanning a large triangle". The torsional rigidity in the plane of the platform can be obviously improved, and the utility model has the advantages of strong inte...

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Abstract

The invention provides a spanning type molten salt pump supporting steel platform and a molten salt pump supporting method. The spanning type molten salt pump supporting steel platform comprises a three-dimensional frame, a spanning truss structure, an equipment platform layer and a middle transition layer, wherein the three-dimensional frame and the spanning truss structure are rigidly connectedthrough beams; the spanning truss structure spans the top of a molten salt storage tank which is arranged in the middle transition layer; and the space between the three-dimensional frame and the spanning truss structure is the equipment platform layer which comprises special-shaped support beams and horizontal supporting systems; the special-shaped support beams comprise transverse support beamsand longitudinal support beams; the transverse support beams are arranged between the three-dimensional frame and the spanning truss structure; the longitudinal support beams are arranged among the transverse support beams; the middle transition layer is arranged below the equipment platform layer; and the special-shaped support beams are fixedly provided with molten salt pump bases. According tothe spanning type molten salt pump supporting steel platform and the molten salt pump supporting method, the rigidity and bearing capacity in the vertical direction and horizontal direction of the integral supporting structure are ensured, all internal forces are transmitted to the foundation, and the vibration, bearing and deformation requirements of a plurality of molten salt pumps at a high rotating speed are met.

Description

technical field [0001] The invention belongs to the technical field of structures for supporting large vertical long-axis rotary pumps, and in particular relates to a steel platform for supporting a spanning molten salt pump and a method for supporting the molten salt pump. Background technique [0002] With the country's vigorous development and application of new energy technologies, especially the heat storage and exchange areas in tower-type photothermal power plants, an economical and reliable molten salt pump support structure is urgently needed to cooperate with molten salt storage tanks. At present, there are still difficulties and deficiencies in the design of the supporting platform of the vertical molten salt pump with molten salt as the medium, large flow rate and high lift: [0003] First, the large-flow, high-lift vertical molten salt pump puts forward strict rigidity requirements for its support structure: 1) The overall support structure must meet the transla...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/00E04B1/19F24S60/30F28D20/00
CPCE04B1/00E04B1/19F28D20/0034F28D2020/0047F24S60/30Y02E10/40Y02E60/14
Inventor 赵伟王迎春徐翔
Owner POWERCHINA XIBEI ENG
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