Silencing device of waste heat power generation main steam drain pipeline

Abstract

The utility model discloses a silencer of a waste heat power generation main steam drain pipeline, and relates to the technical field of silencers. The device comprises a flash tank and a cylindrical steel screen, a buffer mechanism is arranged on the flash tank, and a plurality of first fixing blocks are fixedly connected to the inner wall of the cylindrical steel screen. Impact force borne by the partition plate is buffered through the buffering mechanism, so that noise interference can be remarkably reduced, the noise intensity is reduced by effectively absorbing and converting steam and water impact energy and destroying the regularity of sound transmission, a quiet and comfortable working environment is created for workers, and the working efficiency is improved. Meanwhile, the impact force borne by the equipment can be greatly relieved, part abrasion caused by impact is reduced, the overall service life of the equipment is prolonged, the maintenance frequency and the replacement frequency are reduced, the maintenance cost is effectively controlled, long-term stable operation of the system is ensured, and the production efficiency and economic benefits are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of silencer, especially, relate to a waste heat power generation main steam drainage pipeline's silencer. BACKGROUND

[0002] The related technology discloses a waste heat power generation main steam drainage pipeline's silencer with the announcement number CN217874775U, the device sets up sound insulation cotton, first grid frame and barrier cloth bag, reaches the effect of reducing the noise produced when the pipeline drains by slowing down the flow rate of liquid, separating liquid and gas and using sound insulation cotton.

[0003] The above-mentioned device is inconvenient to buffer the impact force received by the first grid frame during use, and the large energy in the steam directly impacts the first grid frame, resulting in a working environment filled with high-decibel noise, and the powerful impact force directly acts on the equipment components, causing intense friction between the components, accelerating component wear, and greatly shortening the service life of the equipment. UTILITY MODEL CONTENT

[0004] The utility model discloses a waste heat power generation main steam drainage pipeline's silencer, buffer mechanism is set up, solve the problem that the above-mentioned device is inconvenient to buffer the impact force received by the first grid frame during use.

[0005] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0006] The utility model discloses a waste heat power generation main steam drainage pipeline's silencer, buffer mechanism and pressure relief mechanism are set up on the expansion vessel,

[0007] The inner wall of the cylindrical steel sheet net is fixedly connected with a plurality of fixed blocks one, a sliding rod is fixedly connected between two corresponding fixed blocks one among the plurality of fixed blocks one, a sliding plate is slidably connected on the plurality of sliding rods, a spring one is wound on the plurality of sliding rods, a plurality of light holes are formed in the sliding plate, and the pressure relief mechanism comprises two pressure relief pipes fixedly connected to the top of the expansion vessel.

[0008] Further, one end of the plurality of spring ones is fixedly connected with the corresponding fixed block one, and the other end of the plurality of spring ones is fixedly connected with the sliding plate.

[0009] Further, the top of the expansion vessel is fixedly connected with a water inlet, the bottom of the expansion vessel is fixedly connected with a drain, and the expansion vessel and the cylindrical steel sheet net are fixedly connected with a sound insulation board.

[0010] Further, the inner wall of the two pressure relief pipes is fixedly connected with a second fixed block, and the second fixed block is provided with a pressure relief groove.

[0011] Further, the inner wall of the two pressure relief grooves is slidably connected with a sealing block, and the top of the sealing block is fixedly connected with a moving plate.

[0012] Further, the inner wall of the two pressure relief pipes is provided with a plurality of T-shaped sliding grooves, the inner wall of the T-shaped sliding groove is slidably connected with a T-shaped sliding block, and the side of the T-shaped sliding block away from the corresponding T-shaped sliding groove is fixedly connected with the corresponding moving plate.

[0013] Further, the inner wall of the two pressure relief pipes is fixedly connected with a fixed plate, and the fixed plate is fixedly connected with the corresponding moving plate through a second spring.

[0014] The utility model has the following beneficial effects:

[0015] 1. By setting the buffer mechanism, when the steam and water with pressure and noise enter the expansion vessel from the water inlet, the steam and water flow impact on the baffle, the baffle slides on the slide rod, and the spring one is compressed or stretched at the same time, and the water and steam pass through the light hole, the impact force of the baffle is buffered through the buffer mechanism, so that the noise interference can be significantly reduced, the steam and water impact energy are effectively absorbed and converted, the regularity of sound propagation is destroyed, and then the noise intensity is reduced, a quiet and comfortable working environment is created for the staff, the influence on the surrounding residents is reduced, the impact force borne by the equipment can be greatly relieved, the part wear caused by impact is reduced, the overall service life of the equipment is prolonged, the maintenance frequency and replacement frequency are reduced, the maintenance cost is effectively controlled, the system is ensured long-term stable operation, and the production efficiency and economic benefit are improved.

[0016] 2. By setting the pressure relief mechanism, when the pressure in the expansion vessel rises to a certain degree, the pressure drives the sealing block to move, the sealing block drives the moving plate to move when moving, the moving plate drives the T-shaped sliding block to slide in the T-shaped sliding groove when moving, and the moving plate drives the second spring to contract when moving, the expansion vessel is relieved through the pressure relief mechanism, so that the steam pressure in the waste heat power generation system can be accurately controlled, the original condition that the steam is directly discharged without pressure reduction is completely changed, after pressure reduction, the steam pressure is greatly reduced, the risk of hot water splashing injury caused by water accumulation is effectively avoided, the personal safety of passing pedestrians is ensured, and it can reduce the steam discharge pressure, reduce the spreading range of water vapor, avoid the influence of steam diffusion on the vision of pedestrians, eliminate potential traffic safety hazards, create safe and orderly traffic conditions for the surrounding environment, and ensure that the waste heat power generation system does not threaten the normal activities of surrounding pedestrians during operation.

[0017] Of course, any product implementing the present application does not necessarily need to achieve all the advantages mentioned above simultaneously. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed for the description of the embodiments will be briefly introduced. Obviously, the drawings described below are only some of the embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0020] Figure 2 It is a schematic diagram of the front view cross-sectional structure of the present application.

[0021] Figure 3 It is a schematic diagram of the structure of the slide rod of the present application.

[0022] Figure 4 It is a schematic diagram of the structure of the pressure relief pipe of the present application.

[0023] Figure 5 It is a schematic diagram of the structure of the sealing block of the present application.

[0024] In the drawings, the component list represented by each reference numeral is as follows:

[0025] 1, the expansion vessel; 2, the buffer mechanism; 3, the pressure relief mechanism; 21, the cylindrical steel mesh; 22, the fixed block one; 23, the slide rod; 24, the partition; 25, the spring one; 26, the light hole; 27, the water inlet; 28, the drain; 29, the soundproof board; 31, the pressure relief pipe; 32, the fixed block two; 33, the pressure relief groove; 34, the sealing block; 35, the moving plate; 36, the T-shaped slide groove; 37, the T-shaped slide block; 38, the fixed plate; 39, the spring two. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] Please refer to Figures 1-5As shown, the utility model is a kind of waste heat power generation main steam drainage pipeline's silencer, including expansion vessel 1 and cylindrical steel sheet net 21, expansion vessel 1 is provided with buffer mechanism 2 and pressure relief mechanism 3, the inner wall of cylindrical steel sheet net 21 is fixedly connected with several fixed blocks one 22, several fixed blocks one 22 corresponding two are all fixedly connected with slide bar 23, several slide bars 23 are slidably connected with baffle 24, several slide bars 23 are all wound with spring one 25, several light holes 26 are formed in baffle 24, pressure relief mechanism 3 includes two pressure relief pipes 31 fixedly connected in the top of expansion vessel 1, one end of several spring one 25 is fixedly connected with corresponding fixed block one 22, the other end of several spring one 25 is fixedly connected with baffle 24, the top of expansion vessel 1 is fixedly connected with water inlet 27, the bottom of expansion vessel 1 is fixedly connected with drain 28, expansion vessel 1 and cylindrical steel sheet net 21 are fixedly connected with soundproof board 29 between, the impact force that baffle 24 is received is buffered to buffer mechanism 2, to be able to significantly reduce noise interference, by the effective absorption and conversion of steam and water impact energy, the regularity of sound propagation is destroyed, and then the noise intensity is reduced, a quiet and comfortable working environment is created for staff, while reducing the impact on the surrounding residents, while it can also greatly relieve the impact force borne by equipment, reduce the component wear caused by impact, prolong the overall service life of equipment, reduce the maintenance frequency and replacement frequency, effectively control maintenance cost, ensure long-term stable operation of system, improve production efficiency and economic benefit;The inner wall of two pressure relief pipes 31 is fixedly connected with fixed block two 32, two fixed block two 32 are all provided with pressure relief groove 33, the inner wall of two pressure relief grooves 33 is slidably connected with sealing block 34, the top of two sealing blocks 34 is fixedly connected with moving plate 35, the inner wall of two pressure relief pipes 31 is provided with several T-shaped sliding grooves 36, the inner wall of several T-shaped sliding grooves 36 is slidably connected with T-shaped sliding block 37, the side of several T-shaped sliding blocks 37 away from corresponding T-shaped sliding groove 36 is fixedly connected with corresponding moving plate 35, the inner wall of two pressure relief pipes 31 is fixedly connected with fixed plate 38, two fixed plates 38 are fixedly connected with spring two 39 between corresponding moving plate 35, expansion vessel 1 is relieved by pressure relief mechanism 3, so that the steam pressure in waste heat power generation system can be accurately controlled, the original steam is directly discharged without pressure reduction condition is completely changed, after pressure reduction treatment, steam pressure is greatly reduced, the risk of hot water splashing injury caused by water accumulation is effectively avoided, the personal safety of passing pedestrians is guaranteed, and it can reduce steam discharge pressure, reduce the spread range of water vapor, avoid the influence of steam diffusion on pedestrian vision, eliminate potential traffic safety hazards, create safe and orderly traffic conditions for the surrounding environment, and ensure that the normal activities of the surrounding pedestrians are not threatened during the operation of the waste heat power generation system.

[0028] One specific application of the embodiment is that when the device is used, the expansion vessel 1 is connected with the steam pipe through the water inlet 27, when the steam in the steam pipe enters the expansion vessel 1 through the water inlet 27, because the inner diameter of the expansion vessel 1 is larger than the inner wall diameter of the steam pipe, when the steam enters the expansion vessel 1, the steam will rapidly spread because the space suddenly becomes large, according to the physical properties of the gas, the volume increases and the pressure decreases under the condition that the temperature is unchanged, so as to realize the preliminary pressure relief of the steam, when the steam enters the expansion vessel 1, the steam will impact the baffle 24, so that the baffle 24 slides in the fixed block one 22, and then drives the spring one 25 to contract, at the same time, when the steam passes through the light hole 26 on the baffle 24, the flow direction and speed of the steam will change, part of the energy is consumed, which plays a role in buffering and preliminary sound insulation, the sound insulation board 29 can further block the noise from spreading outward, at the same time, the spring one 25 plays a buffering role, reduces the impact force of the steam and water on the baffle 24, avoids that the baffle 24 and the cylindrical steel mesh 21 generate a large friction force and impact force, which is easy to cause the wear and damage of the components.

[0029] When the pressure in the expansion vessel 1 rises to a certain degree, the steam pressure acts on the sealing block 34, when the pressure exceeds the elastic force of the spring two 39, the sealing block 34 slides upward in the pressure relief groove 33, drives the moving plate 35 to move, the T-shaped sliding block 37 slides in the T-shaped sliding groove 36 to play a guiding role, so that the moving process of the moving plate 35 is more stable, and at the same time, it is ensured that the sealing block 34 can be aligned with the pressure relief groove 33, at this time, the pressure relief pipe 31 is communicated with the inside of the expansion vessel 1, the steam is discharged through the pressure relief pipe 31, and the pressure relief is realized, when the pressure in the expansion vessel 1 decreases to a certain degree, the elastic force of the spring two 39 makes the sealing block 34 slide downward, reseals the pressure relief groove 33, and stops the pressure relief.

[0030] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0031] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A sound attenuation device for a main steam drain of a waste heat power plant, characterized in that: Including expansion vessel (1) and cylindrical steel sheet (21), the expansion vessel (1) is provided with buffer mechanism (2) and pressure relief mechanism (3); The inner wall of the cylindrical steel sheet (21) is fixedly connected with a plurality of fixed blocks (22), a plurality of the fixed blocks (22) are fixedly connected with a sliding rod (23) between the corresponding two, a plurality of the sliding rods (23) are slidably connected with a partition plate (24), a plurality of the sliding rods (23) are wound with a spring (25), the partition plate (24) is provided with a plurality of light holes (26), and the pressure relief mechanism (3) comprises two pressure relief pipes (31) fixedly connected at the top of the expansion vessel (1).

2. A sound attenuation device for a main steam drain of a waste heat power plant according to claim 1, characterized in that One end of a plurality of the springs (25) is fixedly connected with the corresponding fixed blocks (22), and the other end of a plurality of the springs (25) is fixedly connected with the partition plate (24).

3. A sound attenuation device for a main steam drain of a waste heat power plant according to claim 2, characterized in that The top of the expansion vessel (1) is fixedly connected with a water inlet (27), the bottom of the expansion vessel (1) is fixedly connected with a drain (28), and the expansion vessel (1) and the cylindrical steel sheet (21) are fixedly connected with a soundproof board (29).

4. A sound attenuation device for a main steam drain of a waste heat power plant according to claim 3, characterized in that The inner wall of the two pressure relief pipes (31) is fixedly connected with a fixed block (32), and the two fixed blocks (32) are provided with a pressure relief groove (33).

5. A sound attenuation device for a main steam drain of a waste heat power plant according to claim 4, characterized in that The inner wall of the two pressure relief grooves (33) is slidably connected with a sealing block (34), and the top of the two sealing blocks (34) is fixedly connected with a moving plate (35).

6. A sound attenuation device for a main steam drain of a waste heat power plant according to claim 5, characterized in that The inner wall of the two pressure relief pipes (31) is provided with a plurality of T-shaped sliding grooves (36), the inner wall of a plurality of the T-shaped sliding grooves (36) is slidably connected with a T-shaped sliding block (37), and the side of a plurality of the T-shaped sliding blocks (37) away from the corresponding T-shaped sliding groove (36) is fixedly connected with the corresponding moving plate (35).

7. A sound attenuation device for a main steam drain of a waste heat power plant according to claim 6, characterized in that The inner wall of the two pressure relief pipes (31) is fixedly connected with a fixed plate (38), and the two fixed plates (38) are fixedly connected with the corresponding moving plate (35) through a spring (39).

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