CN218939239U

CN218939239U - Boiler exhaust silencer for thermal power plant

Info

Publication number: CN218939239U
Application number: CN202223021712.0U
Authority: CN
Inventors: 谢其志; 谢庆杰; 武猛; 张同千; 韩占松
Original assignee: Lianyungang Jiu Cheng Power Auxiliary Machinery Co ltd
Current assignee: Lianyungang Jiu Cheng Power Auxiliary Machinery Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-04-28
Anticipated expiration: 2032-11-11

Abstract

The utility model relates to the technical field of boiler silencers, and discloses a boiler exhaust silencer for a thermal power plant, which comprises a protection mechanism, a silencing mechanism, an internal mechanism, a supporting mechanism and a limiting mechanism, wherein the silencing mechanism is positioned in the protection mechanism, the internal mechanism is positioned at the inner end of the silencing mechanism, the supporting mechanism is positioned below the inner end of the protection mechanism, and the limiting mechanism is positioned at the upper end of the supporting mechanism; the supporting mechanism comprises a supporting seat, an adjusting groove, an anti-slip rubber block and a supporting push rod, wherein the supporting seat is fixedly arranged below the inner end of the protecting mechanism, the adjusting groove is fixedly arranged at the upper end of the supporting seat, and the anti-slip rubber block is movably arranged at the upper end of the adjusting groove. This boiler exhaust silencer for thermal power plant, when needs are maintained, are detected and are adjusted it, but drive accuse inner structure is rationally released the muffler, and mechanical support promotes and is difficult for rocking and damage structure, can avoid appearing being difficult to the problem of disassembly maintenance because of the muffler weight base is big.

Description

Boiler exhaust silencer for thermal power plant

Technical Field

The utility model relates to the technical field of boiler silencers, in particular to a boiler exhaust silencer for a thermal power plant.

Background

The boiler muffler is fully called as a boiler exhaust muffler, namely an ignition exhaust muffler, is mainly used in the fields of thermal power plants, textiles, chemical industry and the like, can reduce noise of exhaust emission of a steam boiler, and reduces the influence of noise on human ears.

The boiler silencer is one kind of device to prevent sound from spreading and to allow airflow to pass through, and is one important measure to eliminate dynamic noise of steam exhaust.

Because of the too big weight of muffler, and the structure is complicated, arouse the reason that is bulky and the mechanism is complicated when need maintain and clear up the muffler, be difficult to disassemble the maintenance to it, also cause the collision damage to bulky muffler easily in the dismantlement handling, the maintenance degree of difficulty is big and the security is low.

Disclosure of Invention

(one) solving the technical problems

The utility model aims to provide a boiler exhaust silencer for a thermal power plant, which aims to solve the problems that the silencer is large in size and weight, difficult to overhaul, likely to damage a structure and high in operation difficulty in maintenance and disassembly in the background technology.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a boiler exhaust silencer for thermal power plant, includes protection mechanism, amortization mechanism, internal mechanism, supporting mechanism and stop gear, amortization mechanism is located the inside of protection mechanism, internal mechanism is located the inner of amortization mechanism, supporting mechanism is located the below of protection mechanism inner, stop gear is located the upper end of supporting mechanism;

the supporting mechanism comprises a supporting seat, an adjusting groove, an anti-skid rubber block and a supporting push rod, wherein the supporting seat is fixedly arranged below the inner end of the protecting mechanism, the adjusting groove is fixedly arranged at the upper end of the supporting seat, the anti-skid rubber block is movably arranged at the upper end of the adjusting groove, and the supporting push rod is fixedly arranged at the lower end of the anti-skid rubber block.

Preferably, the protection machanism is including protecting urceolus, supporting legs post, sign piece and shield cover, supporting legs post fixed mounting is in the below of protecting the urceolus outer end, sign piece fixed mounting is in the front end of protecting the urceolus, shield cover fixed mounting is in the upper end of protecting the urceolus, and the protecting the urceolus is supported through the supporting legs post, and including taking in the amortization structure protection through the shield cover, the outside is equipped with the sign piece and makes things convenient for people to acquire device information.

Preferably, the silencing mechanism comprises an inner silencing cylinder, a supporting block and injection small holes, the inner silencing cylinder is located in the protective outer cylinder, the supporting block is fixedly arranged at the left end and the right end of the inner silencing cylinder, the injection small holes are fixedly arranged at the outer end of the inner silencing cylinder, air flow is finally sprayed out through the injection small holes at the outer end of the inner silencing cylinder, the sound power of each frequency doubling band after spraying is reduced, and the inner silencing cylinder is in supporting connection with the external protective structure through the supporting block.

Preferably, the internal mechanism comprises a silencing sound-blocking sheet, a honeycomb silencing inner cylinder and a filter screen, wherein the silencing sound-blocking sheet is fixedly arranged below the inner end of the inner silencing cylinder, the honeycomb silencing inner cylinder is fixedly arranged above the inner end of the inner silencing cylinder, the filter screen is fixedly arranged at the lower end of the silencing sound-blocking sheet and the upper end of the honeycomb silencing inner cylinder, firstly, noise enters the silencing sound-blocking sheet through the filter screen to be split and diffused, noise power and airflow rate are greatly weakened, and the primary noise-reducing sound is continuously divided into more branches of the honeycomb silencing inner cylinder to be subjected to secondary noise reduction.

Preferably, the limiting mechanism comprises a sliding block, a silica gel positioning block and a limiting push rod, wherein the sliding block is movably arranged at the inner end of the protective outer cylinder, the silica gel positioning block is movably arranged at the inner side of the sliding block, the limiting push rod is fixedly arranged at the outer end of the silica gel positioning block, and the remote control limiting push rod pushes the silica gel positioning block to concentrate inwards to extrude, fit and limit the sound absorption structure.

Preferably, the supporting shoe is located the upper end of silica gel locating piece, the supporting shoe is symmetrical distribution, and this setting makes the structure adaptation install in protective structure, and both sides carry out stable support, and operating stability is good.

Compared with the prior art, the utility model has the beneficial effects that:

1. the boiler exhaust silencer for the thermal power plant can be reasonably supported and protected inside the structure, when the silencer is required to be maintained, detected and regulated, the silencer is reasonably pushed out by the controllable inner structure, the structure is not easy to shake and damage due to mechanical support pushing, the problem that disassembly and overhaul are difficult to occur due to large weight base of the silencer can be avoided, and the operation flexibility and the safety are good;

2. according to the boiler exhaust silencer for the thermal power plant, the sliding block is flexibly connected with the external protection structure through the sliding groove sliding block, and is naturally attached to the supporting structure under the action of gravity under normal conditions, so that the connection is stable, and the sliding block can be flexibly pushed to move up and down integrally;

3. this boiler exhaust silencer for thermal power plant, stop gear can be with amortization structure further stable, has improved amortization structure's stability in use, and but the structure remote control breaks away from spacingly, and amortization structure and protective structure of being convenient for install and dismantle, the maintenance work of being convenient for is convenient carries out.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic perspective view of a protective mechanism according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 5 is an enlarged schematic view of the structure of FIG. 2B according to the present utility model;

fig. 6 is an enlarged view of fig. 2 at C.

In the figure: 1. a protective mechanism; 2. a silencing mechanism; 3. an internal mechanism; 4. a support mechanism; 5. a limiting mechanism; 101. a protective outer cylinder; 102. supporting leg columns; 103. identifying the block; 104. a protective cover; 201. an inner silencing barrel; 202. a support block; 203. injecting small holes; 301. a sound attenuation and blocking sheet; 302. honeycomb silencing inner cylinder; 303. a filter screen; 401. a support base; 402. an adjustment tank; 403. an anti-skid rubber block; 404. supporting the push rod; 501. a sliding block; 502. a silica gel positioning block; 503. and limiting the push rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides a boiler exhaust silencer for thermal power plant, includes protection machanism 1, amortization mechanism 2, inside mechanism 3, supporting mechanism 4 and stop gear 5, and amortization mechanism 2 is located the inside of protection machanism 1, and inside mechanism 3 is located the inner of amortization mechanism 2, and supporting mechanism 4 is located the below of protection machanism 1 inner, and stop gear 5 is located the upper end of supporting mechanism 4;

the supporting mechanism 4 comprises a supporting seat 401, an adjusting groove 402, an anti-skid rubber block 403 and a supporting push rod 404, wherein the supporting seat 401 is fixedly arranged below the inner end of the protection mechanism 1, the adjusting groove 402 is fixedly arranged at the upper end of the supporting seat 401, the anti-skid rubber block 403 is movably arranged at the upper end of the adjusting groove 402, and the supporting push rod 404 is fixedly arranged at the lower end of the anti-skid rubber block 403; the protection mechanism 1 comprises a protection outer cylinder 101, supporting legs 102, a marking block 103 and a protection cover 104, wherein the supporting legs 102 are fixedly arranged below the outer end of the protection outer cylinder 101, the marking block 103 is fixedly arranged at the front end of the protection outer cylinder 101, the protection cover 104 is fixedly arranged at the upper end of the protection outer cylinder 101, the sound-absorbing structure can be protected through the installation of the protection mechanism 1 outside, the sound-absorbing structure is prevented from being influenced and interfered by external acting force, the protection effect is good, the protection outer cylinder 101 is supported by the supporting legs 102, the sound-absorbing structure is stored and protected inside through the protection cover 104, and the marking block 103 is arranged outside to facilitate people to acquire device information;

the silencing mechanism 2 comprises an inner silencing barrel 201, supporting blocks 202 and injection small holes 203, the inner silencing barrel 201 is positioned in the protective outer barrel 101, the supporting blocks 202 are fixedly arranged at the left end and the right end of the inner silencing barrel 201, the injection small holes 203 are fixedly arranged at the outer end of the inner silencing barrel 201, exhaust gas flow is stored in the inner silencing barrel through the silencing mechanism 2, after the internal silencing and flow dividing structure of the air flow carries out substantial noise reduction and noise absorption, the air flow is finally sprayed out through the injection small holes 203 at the outer end of the inner silencing barrel 201, the sound power of each frequency doubling band after spraying is reduced, the silencing efficiency is good, the inner silencing barrel 201 is in supporting connection with an external protective structure through the supporting blocks 202, and the working stability is good; the internal mechanism 3 comprises a sound-damping and noise-blocking sheet 301, a honeycomb sound-damping inner cylinder 302 and a filter screen 303, wherein the sound-damping and noise-blocking sheet 301 is fixedly arranged below the inner end of the inner sound-damping cylinder 201, the honeycomb sound-damping inner cylinder 302 is fixedly arranged above the inner end of the inner sound-damping cylinder 201, the filter screen 303 is fixedly arranged at the lower end of the sound-damping and noise-blocking sheet 301 and the upper end of the honeycomb sound-damping inner cylinder 302, the internal mechanism 3 is arranged inside the structure, the noise is damped and reduced in a multistage throttling and depressurization mode, the noise is firstly split and diffused through the filter screen 303 when the exhaust is carried out, low-pressure steam is formed to be sprayed out, the noise power and the airflow rate are greatly weakened, the sound subjected to primary noise reduction is continuously split into more branched honeycomb sound-damping inner cylinders 302 for secondary noise reduction, the sound-damping effect is effectively improved, and the exhaust noise of the boiler is low; the limiting mechanism 5 comprises a sliding block 501, a silica gel positioning block 502 and a limiting push rod 503, wherein the sliding block 501 is movably arranged at the inner end of the protective outer cylinder 101, the silica gel positioning block 502 is movably arranged at the inner side of the sliding block 501, the limiting push rod 503 is fixedly arranged at the outer end of the silica gel positioning block 502, the silencing structure can be further stabilized in structure by being provided with the limiting mechanism 5, the use stability of the silencing structure is improved, the structure can be remotely controlled to be separated from the limiting structure, the silencing structure and the protective structure are convenient to install and detach, the overhaul work is convenient and fast, the sliding block 501 and the external protective structure are flexibly connected through a sliding groove sliding block, the sliding block 501 is naturally attached to the supporting structure under the action of gravity under the normal condition, the connection is stable, the sliding block can be flexibly pushed to move up and down, the silica gel positioning block 503 pushes the silica gel positioning block 502 to concentrate inwards during limiting, the silencing structure is extruded and attached to limit, the silica gel positioning block 502 is of an elastic structure, the shape of the silencing structure can be matched and attached to the silencer structure, the silencing structure is compact, the silencing structure is good in effect, and the silencing structure is convenient to work stably and reasonably;

the supporting blocks 202 are positioned at the upper end of the silica gel positioning block 502, the supporting blocks 202 are symmetrically distributed, the structure can be adaptively arranged in the protective structure by the arrangement, the two sides are stably supported, the operation stability is good, and the silencing work of the boiler is stable; the adjusting groove 402 is movably connected with the anti-skid rubber block 403 through the supporting push rod 404, and the sliding block 501 is movably connected with the silica gel positioning block 502 through the limiting push rod 503; the supporting mechanism 4 is symmetrically distributed, the limiting mechanism 5 is symmetrically distributed, the structural distribution is reasonable due to the arrangement, supporting work is facilitated, and the supporting stability of the structure is further improved by the auxiliary limiting structure.

Working principle: the device is a boiler exhaust silencer for a thermal power plant, when the boiler exhaust silencer is required to be maintained, detected and regulated, the silencer is reasonably pushed out by a controllable inner structure, the mechanical support is used for pushing the silencer to be difficult to shake and damage the structure, the problem that disassembly and overhaul are difficult to occur due to the large weight base of the silencer can be avoided, the protective outer cylinder 101 is supported by the supporting leg column 102, the silencing structure is stored and protected in the protective cover 104, the silencing structure falls into the supporting seat 401 through the supporting block 202 to be stably supported, after the supporting connection, at the moment, the silica gel positioning block 502 is pushed to be concentrated inwards by the remote control limiting push rod 503, the silencing structure is extruded and attached to be limited, the limiting of silencing work is completed, the structural stability is improved, and when the silencer is used for silencing, firstly noise enters the silencing and sound blocking piece 301 through the filter screen 303 to be split and diffused, the low-pressure steam is formed to be sprayed out, noise power and air flow rate are greatly weakened, the sound of preliminary noise reduction is continuously divided into more branches, secondary noise reduction is carried out in the honeycomb type noise reduction inner cylinder 302, after the noise reduction and noise absorption are carried out on the air flow inside noise reduction diversion structure, the air flow is finally sprayed out through the spraying small holes 203 at the outer end of the inner noise reduction cylinder 201, the sound power of each sprayed-out octave band is reduced, if the maintenance is needed, the noise is separated from the limit, then the remote control support push rod 404 pushes the anti-slip rubber block 403 in the adjusting groove 402 to move upwards continuously, the noise reduction structure of the inner support is pushed upwards, people can maintain and overhaul the noise reduction structure conveniently, manual disassembly and transportation are not needed, the noise reduction structure with large weight base is not easy to damage, and the operation is convenient.

Finally, it should be noted that the above description is only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and that the simple modification and equivalent substitution of the technical solution of the present utility model can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. The utility model provides a boiler exhaust silencer for thermal power plant, includes protection machanism (1), amortization mechanism (2), internal mechanism (3), supporting mechanism (4) and stop gear (5), its characterized in that: the silencing mechanism (2) is positioned in the protecting mechanism (1), the inner mechanism (3) is positioned at the inner end of the silencing mechanism (2), the supporting mechanism (4) is positioned below the inner end of the protecting mechanism (1), and the limiting mechanism (5) is positioned at the upper end of the supporting mechanism (4);

supporting mechanism (4) are including supporting seat (401), adjustment tank (402), anti-skidding rubber piece (403) and supporting push rod (404), supporting seat (401) fixed mounting is in the below of the inner of protection machanism (1), adjustment tank (402) fixed setting is in the upper end of supporting seat (401), anti-skidding rubber piece (403) movable mounting is in the upper end of adjustment tank (402), supporting push rod (404) fixed mounting is in the lower extreme of anti-skidding rubber piece (403).

2. The boiler exhaust silencer for a thermal power plant according to claim 1, wherein: the protection mechanism (1) comprises a protection outer cylinder (101), a supporting leg (102), a marking block (103) and a protection cover (104), wherein the supporting leg (102) is fixedly arranged below the outer end of the protection outer cylinder (101), the marking block (103) is fixedly arranged at the front end of the protection outer cylinder (101), and the protection cover (104) is fixedly arranged at the upper end of the protection outer cylinder (101).

3. A boiler exhaust silencer for a thermal power plant according to claim 2, characterized in that: the silencing mechanism (2) comprises an inner silencing barrel (201), a supporting block (202) and an injection small hole (203), wherein the inner silencing barrel (201) is located inside the protective outer barrel (101), the supporting block (202) is fixedly arranged at the left end and the right end of the inner silencing barrel (201), and the injection small hole (203) is fixedly arranged at the outer end of the inner silencing barrel (201).

4. A boiler exhaust silencer for a thermal power plant according to claim 3, characterized in that: the inner mechanism (3) comprises a silencing sound blocking sheet (301), a honeycomb type silencing inner barrel (302) and a filter screen (303), wherein the silencing sound blocking sheet (301) is fixedly arranged below the inner end of the inner silencing barrel (201), the honeycomb type silencing inner barrel (302) is fixedly arranged above the inner end of the inner silencing barrel (201), and the filter screen (303) is fixedly arranged at the lower end of the silencing sound blocking sheet (301) and the upper end of the honeycomb type silencing inner barrel (302).

5. The boiler exhaust silencer for a thermal power plant according to claim 4, wherein: the limiting mechanism (5) comprises a sliding block (501), a silica gel positioning block (502) and a limiting push rod (503), wherein the sliding block (501) is movably installed at the inner end of the protection outer cylinder (101), the silica gel positioning block (502) is movably installed at the inner side of the sliding block (501), and the limiting push rod (503) is fixedly installed at the outer end of the silica gel positioning block (502).

6. The boiler exhaust silencer for a thermal power plant according to claim 5, wherein: the support blocks (202) are positioned at the upper ends of the silica gel positioning blocks (502), and the support blocks (202) are symmetrically distributed.

7. The boiler exhaust silencer for a thermal power plant according to claim 6, wherein: the adjusting groove (402) is movably connected with the anti-skid rubber block (403) through a supporting push rod (404), and the sliding block (501) is movably connected with the silica gel positioning block (502) through a limiting push rod (503).

8. The boiler exhaust silencer for a thermal power plant according to claim 7, wherein: the supporting mechanisms (4) are symmetrically distributed, and the limiting mechanisms (5) are symmetrically distributed.