Silencing box for diesel generating set

By setting up a thermal conduction mechanism and purification mechanism in the silencer of diesel generator sets, the problem of degradation of heat exchange performance caused by existing silencers is solved, and more efficient heat dissipation and noise silence effects are achieved.

CN222615439UActive Publication Date: 2025-03-14TAIZHOU KEHUA MARINE TECH CO LTD
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Patent Information

Application Number
CN202421440759.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-24
Publication Date
2025-03-14
Estimated Expiration
2034-06-24

AI Technical Summary

Technical Problem

While reducing noise, the existing diesel generator set silencers lead to compression of the ventilation opening area, thereby reducing the heat exchange performance of the unit, resulting in excessive temperature rise and vicious shutdown.

Method used

A silencer for diesel generator sets is designed. By setting up a thermal conduction mechanism and a purification mechanism, the thermal conduction mechanism includes a spring shock absorber and a thermal conduction block, and the purification mechanism includes a treatment box and an activated carbon filter. The cooling fan and cooling plate are used to speed up the air flow rate and cooling effect, and improve the heat dissipation effect.

Benefits of technology

It effectively improves the heat exchange performance of diesel generator sets, reduces temperature rise, avoids vicious shutdown, and enhances the noise cancellation effect.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222615439U_ABST
Patent Text Reader

Abstract

The utility model discloses a silencing box for a diesel generating set, which relates to the technical field of silencing of the diesel generating set and comprises a supporting table, a silencing cover sleeved on the top of the supporting table and a cooling fan arranged on the lateral portion of the supporting table, and the supporting table and the silencing cover are connected through a connecting mechanism. The heat conduction mechanism is connected with the side wall of the supporting table, and the purification mechanism is connected with the silencing cover; the heat conduction mechanism comprises a spring shock absorber fixedly connected to the top of the supporting table and a mounting base fixedly connected to the top of the spring shock absorber and used for mounting the diesel generator. The purification mechanism comprises a treatment box fixedly connected to the outer side wall of the silencing cover and a conveying pump fixedly connected to the top of the silencing cover and used for conveying tail gas in the silencing cover into the treatment box. According to the silencing box for the diesel generating set, the heat dissipation fan is started, so that the flow speed of air near the heat conduction block is increased, and the heat dissipation effect on the heat conduction block is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of noise elimination of diesel generator sets, in particular to a muffler box for a diesel generator set. Background Art

[0002] With the rapid development of industrial production, environmental pollution has become increasingly serious, and noise pollution is one of them. In particular, diesel generator sets are high-intensity noise equipment. In order to reduce the noise generated by diesel generator sets to the outside world, a muffler box is installed on the diesel generator set.

[0003] In order to reduce noise, the existing sound insulation box increases the shielding area, thereby compressing the area of the ventilation opening, and further reducing the heat exchange performance of the unit. When the unit is running, the temperature of the sound insulation box reaches above 60-80 °C, resulting in too high temperature rise and forced shutdown and damage to mechanical parts; while increasing the ventilation area increases the area of direct noise radiation to the outside, making the sound insulation box ineffective. Content of the Utility Model

[0004] The main purpose of the utility model is to provide a muffler box for a diesel generator set, which solves the problem of reducing the heat exchange performance of the unit by compressing the area of the ventilation opening through the arranged heat conduction mechanism and purification mechanism.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A muffler box for a diesel generator set includes a support platform, a muffler cover sleeved on the top of the support platform, and a cooling fan arranged on the side of the support platform. The support platform and the muffler cover are connected by a connecting mechanism. It also includes a heat conduction mechanism connected to the side wall of the support platform and a purification mechanism connected to the muffler cover;

[0007] The heat conduction mechanism includes a spring shock absorber fixedly connected to the top of the support platform and a mounting seat fixedly connected to the top of the spring shock absorber for installing a diesel generator;

[0008] The purification mechanism includes a treatment box fixedly connected to the outer side wall of the muffler cover and a delivery pump fixedly connected to the top of the muffler cover for delivering the exhaust gas inside the muffler cover to the inside of the treatment box.

[0009] Preferably, the heat conduction mechanism further includes two rectangular through holes opened on the top of the support platform. The mounting seat is in the shape of "冂", and the end face of the vertical plate of the mounting seat extends to the bottom surface of the support platform through the rectangular through holes.

[0010] Preferably, the heat conduction mechanism further includes a heat conduction block fixedly connected to the bottom of the mounting seat and expansion holes opened on the outer side wall of the heat conduction block. The number of the expansion holes is several and is distributed in a rectangular array.

[0011] Preferably, the purification mechanism further comprises a sealing door hinged to the outer side wall of the treatment box, a guide rod fixedly connected to the inner side wall of the treatment box, and an activated carbon filter screen sleeved on the outer surface of the guide rod.

[0012] Preferably, the purification mechanism further comprises a partition fixedly connected to the inner side wall of the processing box, and a coil-shaped tube fixedly connected to the partition.

[0013] Preferably, the purification mechanism further comprises a cooling fin penetrating through the side wall of the processing box, and a right-angle tube fixedly connected to the bottom of the processing box, wherein the horizontal end of the right-angle tube extends through the interior of the muffler cover.

[0014] Preferably, the connection mechanism further comprises a positioning frame fixedly connected to the top of the support platform, and fixing bolts penetrating through the side wall of the silencer cover and threadedly connected to the side wall.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. In the utility model, the silencer cover is sleeved on the outer surface of the positioning frame, and then the silencer cover is fixed to the top of the support platform by fixing bolts, so that the silencer cover is used to silence the diesel generator, wherein the positioning frame can improve the sealing effect of the silencer cover, thereby improving the silencer effect of the diesel generator, when the diesel generator generates heat during operation, the heat is transferred to the heat conductive block through the mounting base, and then the cooling fan is started to accelerate the air flow rate near the heat conductive block, thereby achieving the effect of heat dissipation of the heat conductive block, wherein the contact area between the heat conductive block and the air is increased by the expansion hole, thereby improving the heat dissipation effect of the heat conductive block.

[0017] 2. In the utility model, the exhaust gas inside the silencer is transported to the inside of the treatment box through a delivery pump, and is adsorbed and purified by an activated carbon filter. During this process, the refrigeration plate is in a working state, thereby cooling the inside of the treatment box to cool the air. Finally, the purified and cooled air will pass through the disc pipe and the right-angle pipe in turn and be transported to the inside of the silencer to blow on the diesel generator, thereby accelerating the air flow rate inside the silencer, thereby further improving the heat dissipation effect on the diesel generator. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the utility model when the silencer cover is removed;

[0020] Figure 3 This is a schematic diagram of the longitudinal section structure of the silencer cover of the utility model;

[0021] Figure 4 is a front structure schematic diagram of the present utility model Figure 3 ;

[0022] Figure 5 is an enlarged schematic diagram of structure A in the present utility model Figure 4 ;

[0023] In the figure: 1, support platform; 2, sound insulation cover; 3, cooling fan; 401, positioning frame; 402, fixing bolt; 501, spring shock absorber; 502, mounting seat; 503, heat conduction block; 504, expansion hole; 601, delivery pump; 602, treatment box; 603, sealing door; 604, guide rod; 605, activated carbon filter screen; 606, partition board; 607, coil pipe; 608, refrigeration sheet; 609, right-angle pipe. Specific embodiments

[0024] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0025] Embodiment 1: As Figure 1-5 shown, a sound insulation box for a diesel generator set includes a support platform 1, a sound insulation cover 2 sleeved on the top of the support platform 1, and a cooling fan 3 arranged on the side of the support platform 1. The support platform 1 and the sound insulation cover 2 are connected by a connecting mechanism, and further includes a heat conduction mechanism connected to the side wall of the support platform 1 and a purification mechanism connected to the sound insulation cover 2;

[0026] The heat conduction mechanism includes a spring shock absorber 501 fixedly connected to the top of the support platform 1 and a mounting seat 502 fixedly connected to the top of the spring shock absorber 501 for installing a diesel generator. The mounting seat 502 is made of metal copper. When the diesel generator is fixed on the top of the mounting seat 502, the diesel generator will be in contact with the mounting seat 502 at this time, so as to conduct the heat generated during the operation of the diesel generator;

[0027] The purification mechanism includes a treatment box 602 fixedly connected to the outer side wall of the sound insulation cover 2 and a delivery pump 601 fixedly connected to the top of the sound insulation cover 2 for delivering the tail gas inside the sound insulation cover 2 to the inside of the treatment box 602.

[0028] The heat conduction mechanism further includes two rectangular through holes opened on the top of the support platform 1. The shape of the mounting seat 502 is "冂"-shaped, and the vertical plate end face of the mounting seat 502 extends to the bottom surface of the support platform 1 through the rectangular through hole. The number of the spring shock absorbers 501 is several and is distributed in a rectangular array, and the diesel generator is shock-absorbed by the spring shock absorbers 501.

[0029] The heat conduction mechanism also includes a heat conduction block 503 fixedly connected to the bottom of the mounting base 502, and an expansion hole 504 opened on the outer wall of the heat conduction block 503. There are several expansion holes 504, which are distributed in a rectangular array. The expansion holes 504 will penetrate the heat conduction block 503, and the opening is directly facing the air outlet of the cooling fan 3. The contact area between the heat conduction block 503 and the air is increased by the expansion holes 504, thereby improving the heat dissipation effect of the heat conduction block 503.

[0030] The connection mechanism also includes a positioning frame 401 fixedly connected to the top of the support platform 1, and a fixing bolt 402 that passes through the side wall of the silencer 2 and is threadedly connected to the side wall, wherein the outer wall of the positioning frame 401 fits the inner wall of the silencer 2, and the outer wall of the positioning frame 401 is provided with a threaded hole.

[0031] The diesel generator is fixed on the top of the mounting base 502, and then the silencer 2 is sleeved on the outer surface of the positioning frame 401, and then the silencer 2 is fixed to the top of the support platform 1 by the fixing bolts 402, so that the silencer 2 is used to silence the diesel generator, wherein the positioning frame 401 can improve the sealing effect of the silencer 2, thereby improving the silencer effect of the diesel generator. When the diesel generator generates heat during operation, the heat is transferred to the heat conductive block 503 through the mounting base 502, and then the cooling fan 3 is started to accelerate the air flow rate near the heat conductive block 503, thereby achieving the effect of heat dissipation of the heat conductive block 503, wherein the contact area between the heat conductive block 503 and the air is increased by the expansion hole 504, thereby improving the heat dissipation effect of the heat conductive block 503.

[0032] Embodiment 2: Figure 1-5 As shown, a muffler box for a diesel generator set includes a support platform 1, a muffler cover 2 sleeved on the top of the support platform 1, and a heat dissipation fan 3 arranged on the side of the support platform 1. The support platform 1 and the muffler cover 2 are connected by a connecting mechanism, and also include a heat conduction mechanism connected to the side wall of the support platform 1, and a purification mechanism connected to the muffler cover 2;

[0033] The heat conduction mechanism includes a spring shock absorber 501 fixedly connected to the top of the support platform 1, and a mounting seat 502 fixedly connected to the top of the spring shock absorber 501 for mounting the diesel generator, wherein the mounting seat 502 is made of metal copper. When the diesel generator is fixed on the top of the mounting seat 502, the diesel generator will fit with the mounting seat 502, thereby conducting the heat generated when the diesel generator is working;

[0034] The purification mechanism includes a treatment box 602 fixedly connected to the outer side wall of the muffler cover 2 , and a delivery pump 601 fixedly connected to the top of the muffler cover 2 for delivering the exhaust gas inside the muffler cover 2 to the inside of the treatment box 602 .

[0035] The purification mechanism also includes a sealing door 603 hinged to the outer wall of the treatment box 602, a guide rod 604 fixedly connected to the inner wall of the treatment box 602, and an activated carbon filter 605 sleeved on the outer surface of the guide rod 604, wherein there are two guide rods 604, and the side wall end face of the activated carbon filter 605 is provided with a through hole whose size matches the guide rod 604.

[0036] The purification mechanism also includes a partition 606 fixedly connected to the inner wall of the processing box 602 and a disc-shaped tube 607 fixedly connected to the partition 606, wherein the partition 606 is located below the activated carbon filter 605, and one end of the disc-shaped tube 607 is opened and extends to the top of the partition 606.

[0037] The purification mechanism also includes a cooling plate 608 that passes through the side wall of the processing box 602, and a right-angle tube 609 fixedly connected to the bottom of the processing box 602. The horizontal end of the right-angle tube 609 extends through the interior of the silencer 2, and the interior of the processing box 602 is connected to the interior of the silencer 2 through the right-angle tube 609.

[0038] When the diesel generator is working, the exhaust gas inside the silencer 2 is transported to the inside of the treatment box 602 through the delivery pump 601, and the exhaust gas is adsorbed and purified through the activated carbon filter 605. During this process, the refrigeration plate 608 is in working state, thereby cooling the inside of the treatment box 602 to cool the air. Finally, the purified and cooled air will pass through the disc pipe 607 and the right-angle pipe 609 in turn and be transported to the inside of the silencer 2 to blow on the diesel generator, so as to speed up the air flow rate inside the silencer 2, thereby further improving the heat dissipation effect of the diesel generator.

Claims

1. A muffler box for a diesel generator set, comprising a support platform (1), a muffler cover (2) sleeved on the top of the support platform (1), and a cooling fan (3) arranged on the side of the support platform (1), wherein the support platform (1) and the muffler cover (2) are connected by a connecting mechanism, characterized in that: It further includes a heat conduction mechanism connected to the side wall of the support platform (1), and a purification mechanism connected to the sound insulation cover (2); The heat conduction mechanism includes a spring shock absorber (501) fixedly connected to the top of the support platform (1), and a mounting seat (502) fixedly connected to the top of the spring shock absorber (501) for mounting a diesel generator; The purification mechanism includes a treatment box (602) fixedly connected to the outer side wall of the sound insulation cover (2), and a delivery pump (601) fixedly connected to the top of the sound insulation cover (2) for delivering the tail gas inside the sound insulation cover (2) to the inside of the treatment box (602).

2. A muffler box for a diesel generator set according to claim 1, characterized in that: The heat conduction mechanism further includes two rectangular through holes opened on the top of the support platform (1). The shape of the mounting seat (502) is "冂”-shaped, and the end face of the vertical plate of the mounting seat (502) extends to the bottom surface of the support platform (1) through the rectangular through hole.

3. A muffler box for a diesel generator set according to claim 2, characterized in that: The heat conduction mechanism further includes a heat conduction block (503) fixedly connected to the bottom of the mounting seat (502), and an expansion hole (504) opened on the outer side wall of the heat conduction block (503). The number of the expansion holes (504) is several and they are distributed in a rectangular array.

4. A muffler box for a diesel generator set according to claim 3, characterized in that: The purification mechanism further includes a sealing door (603) hinged to the outer side wall of the treatment box (602), a guide rod (604) fixedly connected to the inner side wall of the treatment box (602), and an activated carbon filter mesh (605) sleeved on the outer surface of the guide rod (604).

5. A muffler box for a diesel generator set according to claim 4, characterized in that: The purification mechanism further includes a partition plate (606) fixedly connected to the inner side wall of the treatment box (602), and a disc-shaped pipe (607) fixedly connected to the partition plate (606).

6. A muffler box for a diesel generator set according to claim 5, characterized in that: The purification mechanism further includes a Peltier element (608) penetrating the side wall of the treatment box (602), and a right-angle pipe (609) fixedly connected to the bottom of the treatment box (602). The horizontal end of the right-angle pipe (609) penetrates and extends inside the sound insulation cover (2).

7. A muffler box for a diesel generator set according to claim 6, characterized in that: The connection mechanism further includes a positioning frame (401) fixedly connected to the top of the support platform (1), and a fixing bolt (402) penetrating the side wall of the sound insulation cover (2) and threadedly connected to the side wall.