CN208010452U - Generator smoke exhaust silencer - Google Patents

Abstract

The utility model discloses a generator smoke discharging and silencing device, which comprises a silencer, a buffer frame and a plurality of dampers, wherein the silencer is fixed on the buffer frame, the buffer frame is hoisted below a floor slab through the dampers, the dampers comprise a fixed seat fixedly connected with the floor slab, a suspender and a spring arranged between the suspender and the fixed seat, and the lower end of the suspender is fixedly connected with the buffer frame; the buffer frame is provided with at least one hoop which is sleeved on the silencer; the silencer includes the tobacco inlet pipe, baffle and the play tobacco pipe that set gradually along the air current direction, opens on the baffle and makes and has a plurality of bloop, is provided with a plurality of bloop pipes on the baffle. The utility model effectively plays the noise reduction effect through two-stage noise reduction treatment; the vibration that the muffler produced absorbs through the bumper shock absorber, has a fine buffering cushioning effect to buffering frame and muffler, stabilizes the equilibrium of buffering frame and muffler, and the guard action is strong, avoids producing the abnormal sound simultaneously.

Description

Generator smoke exhaust silencer

technical field

The utility model relates to the technical field of generator noise reduction, in particular to a generator smoke exhaust noise reduction device.

Background technique

Diesel generator sets are widely used in ports, factories, enterprises, hotels, residential areas, mines, and tunnels to provide users with emergency or conventional power supply. During operation, diesel generator sets will produce a lot of black smoke and Oil particle molecules, the black smoke flow emitted by the diesel generator set is pulsed and has sound waves at the same time, causing the exhaust system of the diesel generator set to vibrate violently, making the connection structure between the exhaust systems very unstable. Stable, abnormal noise will occur, and it is easy to cause the connection to fall off. At the same time, the sound wave carried by the black smoke emitted is noise. Under the social situation of increasingly serious noise pollution, it is necessary to reduce the noise of the black smoke emitted by diesel generator sets .

Utility model content

The technical problem solved by the utility model is to provide a generator smoke exhaust and silencer device to solve the problems raised in the above-mentioned background technology in view of the defects in the above-mentioned prior art.

In order to solve the above technical problems, the technical solution adopted by the utility model is as follows: a generator smoke exhaust silencer, including a silencer, a buffer frame and a plurality of shock absorbers, the silencer is fixed on the buffer frame, the buffer The frame is hoisted below the floor through a shock absorber, the shock absorber includes a fixed seat fixed to the floor, a boom and a spring arranged between the boom and the fixed seat, and the lower end of the boom is fixed to the buffer frame; The buffer frame is provided with at least one hoop, and the hoop is set on the muffler; the muffler includes a smoke inlet pipe, a baffle plate, a partition and a smoke outlet pipe arranged in sequence along the airflow direction, and the Both the baffle plate and the baffle are arranged perpendicular to the axis of the muffler, and the baffle is formed with a plurality of silencing holes, and the baffle is provided with a plurality of silencing tubes, and the axis of each silencing tube is in line with that of the muffler. axis parallel.

As a further elaboration to the above-mentioned technical scheme:

In the above technical solution, the buffer frame includes two beams and a bracket fixed between the two beams, and the muffler is fixed on the bracket through hoops; the beam is arranged vertically to the axis of the muffler, and the beam The two ends of the two shock absorbers are respectively connected to the suspension rods; the lower end of the suspension rod is provided with a fixed assembly for fixing the beam, and the fixed assembly includes a first fixed nut and a second fixed nut sleeved on the suspension rod, The first fixing nut and the second fixing nut are located on the upper and lower sides of the beam.

In the above technical solution, the upper end of the suspender is installed on the fixed seat, and a cap is fixed on the upper end of the suspender, the spring is arranged between the cap and the fixed seat, and the spring and the fixed seat A rubber pad is arranged between them, and a positioning nut for adjusting the amount of expansion and contraction of the spring is arranged under the fixing seat, and the positioning nut is sleeved on the boom, and a flat washer is arranged between the positioning nut and the fixing seat.

In the above technical solution, the section of the fixing seat is U-shaped, the lower end is set as a connecting part, the upper end of the suspension rod passes through the connecting part, and the upper surface of the connecting part is connected to the lower end of the spring; The upper end of the fixing seat extends horizontally with a fixing part, and the fixing part is formed with a fixing hole, and an expansion screw fixed to the floor is inserted in the fixing hole.

In the above technical solution, the sum of the areas of the plurality of sound-absorbing holes is 1-1.5 times the area of the mouth of the smoke inlet pipe.

Wherein, the number of the sound-absorbing holes is seven, and the seven sound-absorbing holes are arranged on the baffle in an equiangular ring with the axis of the silencer as the center.

In the above technical solution, the sum of the mouth areas of the plurality of sound-absorbing pipes is 1-1.5 times the area of the mouth of the smoke outlet pipe.

Wherein, the number of the silencer pipes is four, and the four silencer pipes are arranged on the partition plate in an equiangular ring with the axis of the silencer as the center.

Compared with the prior art, the beneficial effect of the utility model is that: the utility model performs the first-level noise reduction treatment through the seven sound-absorbing holes of the baffle plate, and then performs the second-level noise reduction treatment through four sound-absorbing pipes, and through the two-stage noise reduction treatment, Effectively play a noise reduction effect; the vibration generated by the muffler is transmitted to the shock absorber through the buffer frame, and the vibration is absorbed through the spring's downward pressure and rebound, which has a good buffering and shock absorption effect on the buffer frame and the muffler. The balance of the buffer frame and the muffler is stabilized, the protection effect is strong, and abnormal noise is avoided at the same time.

Description of drawings

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

Fig. 2 is a schematic diagram of the internal structure of the silencer of the present utility model;

Fig. 3 is A-A' sectional structure schematic diagram among Fig. 2;

Fig. 4 is a schematic diagram of the B-B' sectional structure in Fig. 2 .

In the figure: 1, muffler; 11, smoke inlet pipe; 12, baffle; 13, silencer hole; 14, silencer pipe; 15, clapboard; 16, smoke outlet pipe; 2, fixed seat; 21, fixed hole; 22, rubber pad; 23, flat washer; 24, positioning nut; 3, suspension rod; 31, cap; 4, beam; 41, the first fixed nut; 42, the second fixed nut; 43, gasket; 5, Support; 51, hoop; 6, spring; 7, expansion screw; 8, floor.

Detailed ways

Below in conjunction with accompanying drawing 1 to accompanying drawing 4 the utility model is described in further detail.

The embodiments described by referring to the figures are exemplary and are intended to explain the present application and should not be construed as limiting the present application. In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation or position indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, therefore It should not be construed as a limitation of the application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of this application, "several" and "plurality" mean two or more, unless otherwise specifically defined. In this application, unless otherwise clearly specified and limited, the terms "installation", "connection", "connection", "fixation" and other terms should be interpreted in a broad sense, for example, it can be a fixed connection or a detachable connection , or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific situations. In this application, unless otherwise expressly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, or include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. "Below", "under" and "under" the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature has a lower horizontal height than the second feature.

As shown in Figure 1-4, a generator smoke exhaust muffler device includes a muffler 1, a buffer frame and four shock absorbers, the muffler 1 is fixed on the buffer frame, and the buffer frame is hoisted on the floor 8 through the shock absorber Below, the shock absorber includes a fixed seat 2 fixed to the floor 8, a suspender 3, and a spring 6 arranged between the suspender 3 and the fixed seat 2, and the lower end of the suspender 3 is affixed to the buffer frame; the buffer frame is provided with Two hoops 51, the hoop 51 is sleeved on the muffler 1; the muffler 1 includes a smoke inlet pipe 11, a baffle plate 12, a partition 15 and a smoke outlet pipe 16, a baffle plate 12 and a partition arranged in sequence along the airflow direction. The plates 15 are arranged vertically to the axis of the muffler 1. Seven silencing holes 13 are formed on the baffle plate 12. Four silencing tubes 14 are arranged on the partition 15. The axis of each silencing tube 14 is parallel to the axis of the muffler 1. .

The buffer frame includes two beams 4 and a bracket 5 fixed between the two beams 4, the muffler 1 is fixed on the bracket 5 through a hoop 51; the beam 4 is arranged perpendicular to the axis of the muffler 1, and the two ends of the beam 4 are respectively The suspenders 3 of the two shock absorbers are connected; the lower end of the suspender 3 is provided with a fixed assembly for fixing the beam 4, and the fixed assembly includes a first fixed nut 41 and a second fixed nut 42 sleeved on the suspender 3. The first fixed The nut 41 and the second fixing nut 42 are located on the upper and lower sides of the beam 4 . Washers 23 are provided between the first fixing nut 41 and the beam 4 , and between the second fixing nut 42 and the beam 4 .

The upper end of the suspender 3 is installed on the fixed seat 2, the upper end of the suspender 3 is fixed with a cap 31, the spring 6 is arranged between the cap 31 and the fixed seat 2, and a rubber pad is arranged between the spring 6 and the fixed seat 2 22. A positioning nut 24 for adjusting the telescopic amount of the spring 6 is arranged under the fixing seat 2, and the positioning nut 24 is sleeved on the boom 3, and a flat washer 23 is arranged between the positioning nut 24 and the fixing seat 2. Through the positioning nut 24, the expansion and contraction of the spring 6 can be adjusted on site according to the vibration frequency of the exhaust gas of different generators, so as to improve the effect of shock absorption. The suspender 3 is provided with external threads connected with the positioning nut 24 , the first fixing nut 41 and the second fixing nut 42 .

The cross-section of the fixed seat 2 is U-shaped, and the lower end is set as a connecting part, the upper end of the suspender 3 passes through the connecting part, and the upper surface of the connecting part is connected with the lower end of the spring 6; the upper end of the fixed seat 2 extends horizontally with a fixed part, and the fixed part A fixing hole 21 is formed, and an expansion screw 7 affixed to the floor 8 is inserted in the fixing hole 21 .

As shown in FIG. 3 , there are seven sound-absorbing holes 13 , and the sum of the areas of the seven sound-absorbing holes 13 is 1.5 times the area of the mouth of the smoke inlet pipe 11 . Seven sound-absorbing holes 13 are arranged on the baffle plate 12 in an equiangular ring with the axis of the silencer 1 as the center.

As shown in FIG. 4 , the number of silencer pipes 14 is four, and the sum of the nozzle areas of the four silencer pipes 14 is 1.5 times the nozzle area of the smoke outlet pipe 16 . Four muffler pipes 14 are arranged on the partition plate 15 in an equiangular ring with the axis of the muffler 1 as the center. The length of the muffler pipe 14 located at the side of the dividing plate 15 close to the smoke inlet pipe 11 is longer, and the length of the muffler pipe 14 located at the side of the dividing plate 15 close to the smoke inlet pipe 11 is two times the length of the side of the side near the smoke outlet pipe 16 of the dividing plate 15. times.

The shock absorption principle of the shock absorber is to absorb the elasticity of different deflection values of the spring 6, and improve it according to the required deflection index. At the same time, the buffer frame connected to the boom 3 and the muffler 1 have a good buffering and shock absorption effect, and the balance of the buffer frame and the muffler 1 is stabilized, and the protection effect is strong.

Working principle: After the black smoke (exhaust gas) emitted by the diesel generator is purified (removing oil and sulfur), it enters the muffler 1 through the smoke inlet pipe 11, and performs primary silencing treatment through the seven silencing holes 13 of the baffle 12 , and then carry out secondary silencing treatment through four silencing pipes 14, and discharge to the outside of the muffler 1 through the smoke exhaust pipe. During the working process, the vibration generated by the muffler 1 is transmitted to the shock absorber through the buffer frame, and the vibration is absorbed by the downward pressure and rebound of the spring 6 to play the role of shock absorption.

The above is not any limitation to the technical scope of the present utility model, and any modification, equivalent change and modification made to the above embodiments according to the technical essence of the present utility model still belong to the scope of the technical solution of the present utility model.

Claims (8)

1. A generator smoke exhaust silencer, characterized in that: comprise a silencer, a buffer frame and a plurality of shock absorbers, the silencer is fixed on the buffer frame, and the buffer frame is hoisted below the floor by the shock absorber , the shock absorber includes a fixed seat fixed to the floor, a suspender and a spring arranged between the suspender and the fixed seat, the lower end of the suspender is fixed to the buffer frame; the buffer frame is provided with at least one The hoop, the hoop is set on the muffler; the muffler includes a smoke inlet pipe, a baffle, a partition and a smoke outlet pipe arranged in sequence along the airflow direction, and the baffle and the partition are vertical to the muffler If the baffle is provided with a plurality of sound-absorbing holes, and the partition plate is provided with a plurality of sound-absorbing pipes, the axis of each sound-absorbing pipe is parallel to the axis of the silencer. 2. A generator smoke exhaust and muffler device according to claim 1, characterized in that, the buffer frame includes two beams and a bracket fixed between the two beams, and the muffler is fixed on the on the bracket; the crossbeam is arranged vertically to the axis of the muffler, and the two ends of the crossbeam are respectively connected to the suspenders of the two shock absorbers; The first fixing nut and the second fixing nut are arranged on the suspender, and the first fixing nut and the second fixing nut are located on the upper and lower sides of the beam. 3. A generator smoke exhaust and muffler device according to claim 1, characterized in that, the upper end of the suspender is mounted on the fixing seat, a cap is fixed on the upper end of the suspender, and the spring is set Between the cap and the fixed seat, a rubber pad is arranged between the spring and the fixed seat, and a positioning nut for adjusting the expansion and contraction of the spring is arranged under the fixed seat, and the positioning nut is sleeved on the suspension rod. A flat washer is arranged between the positioning nut and the fixing seat. 4. A generator smoke exhaust and muffler device according to claim 1, characterized in that, the section of the fixing seat is U-shaped, the lower end is set as a connecting part, and the upper end of the boom passes through the connecting part. However, the upper surface of the connecting part is connected to the lower end of the spring; the upper end of the fixing seat extends horizontally with a fixing part, and the fixing part is formed with a fixing hole, and the expansion hole fixed to the floor is inserted in the fixing hole. screw. 5. A generator smoke exhaust and muffler device according to claim 1, characterized in that the sum of the areas of the plurality of muffler holes is 1-1.5 times the area of the mouth of the smoke inlet pipe. 6. A generator smoke exhaust and muffler device according to claim 1, characterized in that, the number of the muffler holes is seven, and the seven muffler holes are arranged in an equiangular ring around the axis of the muffler. board. 7. A generator smoke exhaust and muffler device according to claim 1, characterized in that the sum of the orifice areas of the plurality of muffler pipes is 1-1.5 times the orifice area of the smoke outlet pipe. 8. A generator smoke exhaust and muffler device according to claim 1, characterized in that the number of the muffler pipes is four, and the four muffler pipes are arranged in an equiangular ring around the muffler axis as the center board.