Detachable steam turbine sound insulation cabin

Abstract

The utility model discloses a detachable steam turbine sound insulation cabin which comprises two parallel installation guide rails, arch-shaped sound insulation pieces and connecting semi-rings which are arranged at intervals are detachably installed between the two installation guide rails through bolts, and closed sound insulation plates are installed on the opposite sides of the arch-shaped sound insulation pieces at the two ends. And an opening and closing door is arranged on the closed sound insulation plate. The whole sound insulation cover is formed by splicing the connecting semi-rings and the arched sound insulation pieces in sequence, the two ports are sealed through the sealing sound insulation plates, opening and closing are achieved through the opening and closing doors, entering and exiting are convenient, and the modular structure is used for composition. And meanwhile, the mounting guide rails and the connecting semi-rings are convenient to independently disassemble and transport, so that the device has the advantages that each structure is convenient to independently disassemble and the mounting operation is convenient and simple by utilizing the modular design.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of steam turbine soundproof cabin, more specifically, relate to detachable steam turbine soundproof cabin. BACKGROUND

[0002] Steam turbine produces larger noise in the operation process, causes serious noise pollution to the working environment and surrounding area, influences the physical and mental health of operating personnel and the life of surrounding residents. In order to reduce the influence of steam turbine noise, usually adopts soundproof cabin to carry out noise reduction treatment.

[0003] However, the existing steam turbine soundproof cabin has some deficiencies. On the one hand, the traditional soundproof cabin is mostly of integral structure, which has many inconveniences in installation, transportation and maintenance. For example, the integral soundproof cabin is large in size, which may be restricted by road, bridge and other conditions in the transportation process, increasing the transportation cost and difficulty; in installation, large space and hoisting equipment are needed for integral hoisting, which has high requirement for installation site; and when the soundproof material or equipment inside the soundproof cabin needs to be maintained or replaced, the operation is difficult due to the limitation of integral structure. On the other hand, the existing soundproof cabin still needs to be improved in sound insulation effect, and the blocking and absorbing capacity for low-frequency noise generated by steam turbine is insufficient, resulting in unsatisfactory overall noise reduction effect. UTILITY MODEL CONTENT

[0004] In view of the problems in the prior art, the utility model aims at providing a detachable steam turbine soundproof cabin, which is modularized, so that each structure can be independently disassembled, and has the advantages of convenient and simple installation operation.

[0005] To solve the problems in the background art, the utility model adopts the following technical scheme:

[0006] The detachable steam turbine soundproof cabin comprises two parallel installation guide rails, and mutually spaced arch-shaped soundproof pieces and connecting half-rings are detachably installed between the two installation guide rails through bolts, and a closed sound insulation board is installed on the side opposite to the arch-shaped soundproof piece at both ends.

[0007] The arch-shaped soundproof piece comprises two sector-shaped sound insulation boards, two bottom blocks and two connecting plates, the top of each bottom block is fixedly connected with a sector-shaped sound insulation board, the top of each side of the sector-shaped sound insulation board opposite to each other is fixedly installed with a connecting plate, and the two connecting plates are connected through bolt locking.

[0008] As a further description of the above technical scheme: the connecting half-ring is an integrally formed ring, the two side edges of the connecting half-ring are fixedly connected with one end of the plug rod arranged at equal distances, and the other end of the plug rod is inserted into the inside of the adjacent sector-shaped sound insulation board.

[0009] As the further description of the above technical scheme: the top of the installation guide rail is provided with a straight sliding groove, and the bottom block and the bottom of the connecting half ring are slidably connected to the inside of the straight sliding groove.

[0010] As the further description of the above technical scheme: the inner side of the fan-shaped sound insulation board is fixedly connected with a sound-absorbing cotton layer, and the front and rear sides of the fan-shaped sound insulation board are fixedly connected with sealing pads.

[0011] As the further description of the above technical scheme: the closed sound insulation board is fixedly provided with two ear pieces, and the two ear pieces are respectively clamped into the outer sides of two adjacent connecting plates and locked by bolts.

[0012] As the further description of the above technical scheme: the two sides of the installation guide rail are fixedly provided with ear blocks arranged at equal distances, and the ear blocks are provided with threaded mounting holes.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The arch-shaped sound insulation piece cooperates with the installation guide rail, the connecting half ring and other modules to be combined and installed to form a sound insulation cabin, and the modular components are very convenient to assemble, disassemble and transport, the installation difficulty is reduced, and the device has the advantages that the modular design is used, each structure is conveniently and independently disassembled, and the installation operation is convenient and simple. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view cross-sectional structure schematic view of the utility model;

[0016] Figure 2 It is a top view structure schematic view of the utility model;

[0017] Figure 3 It is an arch-shaped sound insulation piece three-dimensional structure schematic view of the utility model;

[0018] Figure 4 It is a connecting half ring three-dimensional structure schematic view of the utility model.

[0019] Explanation of reference numerals in the drawing:

[0020] 1, installation guide rail; 2, arch-shaped sound insulation piece; 21, fan-shaped sound insulation board; 211, sound-absorbing cotton layer; 212, sealing pad; 22, bottom block; 23, connecting plate; 3, connecting half ring; 31, insertion rod; 4, closed sound insulation board; 41, ear piece; 5, opening and closing door; 6, straight sliding groove; 7, ear block; 8, threaded mounting hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0022] Please refer to Figures 1-4 The utility model discloses a detachable steam turbine soundproof cabin, including two parallel installation guide rail 1, two installation guide rail 1 between through bolt detachable installation mutually interval arrangement's arched sound insulation piece 2 and connecting half ring 3, the opposite side of two end arched sound insulation piece 2 all are installed with closed sound insulation board 4, is equipped with the door 5 of opening and closing on closed sound insulation board 4.

[0023] The arched sound insulation piece 2 includes two sector sound insulation boards 21, two bottom blocks 22 and two connecting plates 23, the top of the two bottom blocks 22 is fixedly connected with the two sector sound insulation boards 21 respectively, the top of the opposite side edge of the two sector sound insulation boards 21 is fixedly installed with the two connecting plates 23 respectively, and the two connecting plates 23 are connected by bolt locking.

[0024] In the utility model, two installation guide rails 1 are fixedly installed on the ground on the two sides of the steam turbine in parallel, then the arched sound insulation piece 2 is installed and spliced along the two installation guide rails 1 respectively, then the arched sound insulation piece 2 is folded and covered outside the steam turbine, then the connecting half ring 3 and the arched sound insulation piece 2 are installed in sequence to realize splicing into a whole soundproof cover, the two ports are closed by the closed sound insulation board 4, and the opening and closing are realized by the door 5, so that it is convenient to go in and out, the module type structure is utilized, the sector sound insulation board 21 in the arched sound insulation piece 2 is disassembled during transportation, the volume is small, transportation is facilitated, the installation guide rail 1 and the connecting half ring 3 are independently disassembled and transported, so that the device has the advantages that the modular design is utilized, each structure is independently disassembled, and the installation operation is convenient and simple, the traditional soundproof cabin in the prior art is mostly of the integral type structure, there are many inconveniences in the installation, transportation and maintenance processes, a large space and hoisting equipment are required for integral hoisting during installation, the installation site is required to be high, when the sound insulation material or equipment in the soundproof cabin needs to be maintained or replaced, the operation difficulty is large due to the limitation of the integral structure, the blocking and absorption capacity of low-frequency noise generated by the steam turbine is insufficient, and the overall noise reduction effect is not ideal.

[0025] Please refer to Figure 1 With Figure 4 Among them: the connecting half ring 3 is integrally formed, the two side edges of the connecting half ring 3 are fixedly connected with one end of the equidistantly arranged insertion rods 31, and the other end of the insertion rod 31 is inserted into the inside of the adjacent sector sound insulation board 21.

[0026] In the utility model, the insertion rod 31 makes the connecting half ring 3 and the adjacent sector sound insulation board 21 on the two sides butt joint more stably, and the structural stability is better.

[0027] Please refer to Figure 1 With Figure 2 Wherein: the top of the mounting rail 1 is provided with a linear sliding groove 6, and the bottom block 22 and the bottom of the connecting half ring 3 are slidably connected to the inside of the linear sliding groove 6.

[0028] In the utility model, through the cooperation of the bottom block 22 and the linear sliding groove 6, the fan-shaped sound insulation board 21 and the connecting half ring 3 are conveniently adjusted and docked, operation is more convenient and flexible, the size of the disassembled module is reduced, and the use of large hoisting equipment is reduced during installation.

[0029] Please refer to Figure 1 With Figure 3 Wherein: the inner side of the fan-shaped sound insulation board 21 is fixedly connected with a sound-absorbing cotton layer 211, and the front and rear sides of the fan-shaped sound insulation board 21 are fixedly connected with sealing pads 212.

[0030] In the utility model, the sound-absorbing cotton layer 211 cooperates with the sealing pad 212 to realize the sound insulation and sound absorption effect of the fan-shaped sound insulation board 21, and improve the combination and absorption capacity of the device as a whole for low-frequency noise.

[0031] Please refer to Figure 2 Wherein: the closed sound insulation board 4 is fixedly provided with two ear pieces 41, the two ear pieces 41 are respectively clamped into the outer sides of two adjacent connecting plates 23 and locked by bolts.

[0032] In the utility model, the ear piece 41 is convenient for connecting and fixing the closed sound insulation board 4 and the connecting plate 23, realizes the fixation of the closed sound insulation board 4, and makes the overall structure combination more stable.

[0033] Please refer to Figure 1 Wherein: the two sides of the mounting rail 1 are fixedly provided with ear blocks 7 arranged at equal distances, and the ear blocks 7 are provided with threaded mounting holes 8.

[0034] In the utility model, the ear block 7 cooperates with the threaded mounting hole 8 to conveniently install and fix the mounting rail 1.

[0035] The above is only a preferred specific embodiment of the utility model; however, the protection scope of the utility model is not limited to this. Any skilled person in the technical field according to the technical scheme and the improvement concept of the utility model within the technical range disclosed by the utility model can be equivalently replaced or changed, and all should be covered in the protection scope of the utility model.

Claims

1. A demountable acoustic cabin for steam turbines comprising two parallel mounting rails (1), characterised in that: Two mounting rails (1) are detachably mounted with mutually spaced arch-shaped sound insulation pieces (2) and connecting half-rings (3) by bolts, the opposite sides of the arch-shaped sound insulation pieces (2) at both ends are each provided with a closed sound insulation board (4), and the closed sound insulation board (4) is provided with a hinged door (5); The arch-shaped sound insulation piece (2) comprises two sector-shaped sound insulation boards (21), two bottom blocks (22) and two connecting plates (23), the top of each of the two bottom blocks (22) is fixedly connected with a sector-shaped sound insulation board (21), and the top of each of the two connecting plates (23) is fixedly installed on the opposite side of the sector-shaped sound insulation board (21).

2. The demountable soundproof casing for a steam turbine according to claim 1, characterized by: The connecting half-ring (3) is an integrally formed ring, one end of each of the equidistantly arranged insertion rods (31) fixedly connected to the two side edges of the connecting half-ring (3) is inserted into the inside of the adjacent sector-shaped sound insulation board (21).

3. The demountable soundproof casing for a steam turbine according to claim 1, characterized by: The top of the mounting rail (1) is provided with a linear sliding groove (6), and the bottom of the bottom block (22) and the connecting half-ring (3) is slidably connected to the inside of the linear sliding groove (6).

4. The dlsassemblable turbine acoustic booth of claim 1, wherein: The inside of the sector-shaped sound insulation board (21) is fixedly connected with a sound-absorbing cotton layer (211), and the front and rear side edges of the sector-shaped sound insulation board (21) are each fixedly connected with a sealing gasket (212).

5. The dlsassemblable turbine acoustic booth of claim 1, wherein: The closed sound insulation board (4) is fixedly provided with two ear pieces (41), the two ear pieces (41) are respectively clamped into the outside of the two connecting plates (23) adjacent thereto and locked by bolts.

6. The dlsassemblable turbine acoustic booth of claim 1, wherein: The two sides of the mounting rail (1) are each fixedly provided with equidistantly arranged ear blocks (7), and the ear block (7) is provided with a threaded mounting hole (8).

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