CN205575471U - Reducing jar body hoisting device on power station desulfurization absorption tower - Google Patents

Abstract

The utility model relates to a variable-diameter tank lifting device for a desulfurization absorption tower of a power station, which includes a hydraulic lifting device, a hydraulic control system and an electrical center control cabinet. The hydraulic lifting device includes an expansion ring that is in close contact with the tank wall. The bottom is equiangularly distributed with a plurality of corresponding lifting anchor heads, and the lifting anchor heads are connected to corresponding hydraulic jacks through corresponding bearing rods, and corresponding oblique support rods are arranged in the middle of the bearing rods , every two corresponding bearing rods are connected to each other through corresponding section steel; the hydraulic control system includes a hydraulic oil pump station, and the hydraulic oil pump station is connected to a corresponding high-pressure hose through an annular oil separator, and each hydraulic jack passes through The corresponding branch pipe of the high-pressure rubber hose communicates with the reversing valve and is connected to the high-pressure rubber hose. The utility model can effectively control the stability and deformation of the tank body during the lifting process.

Description

A variable-diameter tank lifting device for a desulfurization absorption tower in a power station

technical field

The utility model relates to a lifting device for a variable-diameter tank body of a desulfurization absorption tower of a power station, which belongs to the technical field of production auxiliary equipment for the desulfurization absorption tower of a power station.

Background technique

With the requirements for environmental protection in recent years, every power plant has installed desulfurization equipment, and the absorption tower is the core equipment for desulfurization, and the construction method of flip-chip is generally used in construction. The tank body of the absorption tower is composed of three parts: the tank bottom, the wall plate, and the tank top. The height of the tank body is mainly composed of various wall plates. The procedure of the inversion method is: tank bottom → uppermost wall panel → lifting → secondary ring wall panel → tank top → lifting → lower layer wall panel of the second ring → lifting → each layer of wall panels. Due to the high tank body of the absorption tower, the different diameters of the upper and lower tank bodies, and the center of gravity is on the upper side, it is difficult to control the stability of the tank body during the lifting process of the inverted construction, and the amount of deformation is difficult to control, and the engineering volume is large. Therefore, it is the research purpose of this utility model to design a variable-diameter tank lifting device that can effectively reduce the engineering quantity and ensure effective control and reduction of tank stability and deformation.

Utility model content

Aiming at the deficiencies in the above-mentioned prior art, the utility model is to provide a variable-diameter tank lifting device for a desulfurization absorption tower of a power station, which can effectively solve the above-mentioned problems in the prior art.

The technical scheme of the utility model is as follows: a variable-diameter tank lifting device for a desulfurization absorption tower in a power station, including a hydraulic lifting device, a hydraulic control system, and an electrical center control cabinet. The hydraulic lifting device includes an expansion ring that is in close contact with the tank wall , the expansion ring is composed of no more than three sections of the expansion ring, each two sections of the expansion ring are tightly supported by a jack and welded with corresponding ribs; the bottom of the expansion ring is distributed at an equal angle A plurality of corresponding lifting anchor heads are connected, and the lifting anchor heads are all connected with corresponding hydraulic jacks through corresponding bearing rods. The bearing rods are connected to each other through corresponding section steel; the hydraulic control system includes a hydraulic oil pump station, and the hydraulic oil pump station is connected to a corresponding high-pressure rubber hose through an annular oil separator, and each hydraulic jack passes through a corresponding high-pressure rubber hose The branch pipe communicates with the reversing valve and is connected to the high-pressure rubber pipe, and the hydraulic system is connected to the electrical central control cabinet.

The bottom of the expansion ring is clamped with 24 corresponding lifting anchor heads according to an equiangular distribution of 15°, and the lifting anchor heads are connected to 24 corresponding hydraulic jacks through corresponding bearing rods.

Implementing the technical solution of the utility model has the following beneficial effects:

The expansion ring of the utility model is composed of no more than three sections of the expansion ring, and each two sections of the expansion ring are tightly supported by jacks and welded with corresponding ribs to effectively ensure the direction of the expansion ring towards the tank body. transmission force;

The bottom of the expansion ring of the utility model is equiangularly distributed and clamped with a plurality of corresponding lifting anchor heads, and the lifting anchor heads are connected with corresponding hydraulic jacks through corresponding bearing rods, and the middle positions of the bearing rods are provided with corresponding jacks. Diagonal support rods, every two corresponding bearing rods are connected to each other through corresponding section steel. This arrangement can not only make a single bearing rod have sufficient rigidity, but also make all the bearing rods form a closed system, which can be used during the lifting process. Fully ensure the effective control of the stability and deformation of the tank body; the utility model does not need to set up scaffolding or work platforms outside the tank body, and the main body construction is all ground operations, which is not only safe and efficient, but also saves cranes and scaffolding usage of.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Figure 2 is a schematic diagram of the structure of the expansion ring

Fig. 3 is a structural schematic diagram of the hydraulic lifting device.

detailed description

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings.

Referring to Figures 1-3, a variable-diameter tank lifting device for a desulfurization absorption tower in a power station includes a hydraulic lifting device 1, a hydraulic control system 2, and an electrical center control cabinet 3. The hydraulic lifting device 1 includes a tank that is in close contact with the tank wall The expansion ring 11 shown in Figure 2, the expansion ring 11 is composed of three expansion ring segments 111, each two expansion ring segments 111 are tightly supported by a jack 112 and welded with corresponding ribs plate 113; the bottom of the expansion ring 11 is clamped with 24 corresponding lifting anchor heads 12 according to 15° equiangular distribution, and the lifting anchor heads 12 are connected to 24 corresponding hydraulic jacks 14 through corresponding bearing rods 13, so Corresponding oblique support rods 4 are arranged on the middle positions of the bearing rods 13, and each two corresponding bearing rods 13 are connected to each other through corresponding section steels 5; the hydraulic control system 2 includes a hydraulic oil pump station 21, the The hydraulic oil pump station 21 is connected to the corresponding high-pressure rubber hose 23 through the annular oil separator 22, and each hydraulic jack 14 is connected to the high-pressure rubber hose 23 through the corresponding high-pressure rubber hose branch pipe 24 and the reversing valve 25. The hydraulic system 2 is connected to the electrical central control cabinet 3 .

The expansion ring 11 of the present utility model is composed of three expansion ring segments 111, and each two expansion ring segments 111 are tightly supported by jacks 112 and corresponding ribs 113 are welded to effectively ensure that the expansion ring 11 To the power transmission of tank body 6. The bottom of the expansion ring 11 is clamped with 24 corresponding lifting anchor heads 12 according to the equiangular distribution of 15°, and the lifting anchor heads 12 are connected to 24 corresponding hydraulic jacks 14 through the corresponding bearing rods 13, and the middle position of the bearing rods 13 Corresponding oblique support rods 4 are arranged on the top, and every two corresponding bearing rods 13 are connected to each other through corresponding section steel 5. This arrangement can not only make a single bearing rod 13 have sufficient rigidity, but also make all the bearing rods 13 have sufficient stiffness. The bearing rod 13 forms a closed system, which can fully ensure the effective control of the stability and deformation of the tank body 6 during the lifting process.

The above is only a preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made, these improvements and Retouching should also be regarded as the scope of protection of the present utility model.

Claims (2)

1. A variable-diameter tank lifting device for a desulfurization absorption tower in a power station, comprising a hydraulic lifting device, a hydraulic control system and an electrical center control cabinet, characterized in that: the hydraulic lifting device includes an expansion ring that is in close contact with the tank wall, and the The expansion ring is composed of no more than three sections of the expansion ring, and each two sections of the expansion ring are tightly supported by a jack and welded with corresponding ribs; the bottom of the expansion ring is distributed according to an equal angle. A plurality of corresponding lifting anchor heads, the lifting anchor heads are all connected with corresponding hydraulic jacks through corresponding bearing rods, and corresponding inclined support rods are arranged at the middle positions of the bearing rods, and every two corresponding bearing rods The hydraulic control system includes a hydraulic oil pump station, which is connected to a corresponding high-pressure rubber hose through an annular oil separator, and each hydraulic jack passes through a corresponding high-pressure rubber hose branch pipe. It communicates with the reversing valve and is connected to the high-pressure rubber hose, and the hydraulic system is connected to the electrical central control cabinet. 2. The variable-diameter tank lifting device of a desulfurization absorption tower of a power station according to claim 1, wherein: the bottom of the expansion ring is clamped with 24 corresponding lifting anchor heads at an equiangular distribution of 15°, The lifting anchor heads are all connected to 24 corresponding hydraulic jacks through corresponding bearing rods.