Noise reduction device of powder concentrator

Abstract

The noise reduction device of the powder concentrator relates to the field of powder concentrators and comprises a main supporting shell, buckling channels are symmetrically formed in the top face and the bottom face of the main supporting shell, isolation rubber plates are horizontally and fixedly connected to the inner side edges of the buckling channels in a clamped mode, and an outer matching shell is horizontally connected to the outer side edge of the main supporting shell in a buckled mode. Matching grooves are symmetrically formed in the top face and the bottom face of the outer matching shell, sealing rubber plates are horizontally and fixedly connected to the inner side edges of the matching grooves in a clamped mode, a sound insulation inner layer is fixedly arranged on the inner side edge of the main supporting shell, a porous inner layer is fixedly arranged on the side edge of the sound insulation inner layer, and a sponge inner plate is fixedly arranged on the inner side edge of the porous inner layer. The outer side edge of the main supporting shell is horizontally and fixedly connected with a noise reduction hole plate in a clamped mode, one side edge of the noise reduction hole plate is fixedly connected with supporting sponge in an adhesive mode, a split wrapping type structure is adopted so that installation can be more convenient and efficient, and meanwhile the overall sound insulation and noise reduction effect can be better through a wrapping sound insulation structure.

Description

Technical Field

[0001] The utility model relates to the technical field of powder separators, in particular to a noise reduction device for a powder separator. Background Technique

[0002] Powder separators are widely used in coal mills, middle-discharge drying mills for raw materials and cement mill systems in new dry-process cement production lines. They can be divided into three categories: three-separation powder separators, centrifugal powder separators, and cyclone powder separators.

[0003] When the current powder separator is in use, since it is a single tank structure for the selection operation, the single tank structure cannot form the effect of noise reduction and noise elimination, resulting in a large noise when it starts and affects the surrounding environment. At the same time, the fixed structure of wrapping sound-absorbing cotton has a poor noise reduction effect. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a noise reduction device for a powder separator to solve the problems mentioned in the above background technique. When the current powder separator is in use, since it is a single tank structure for the selection operation, the single tank structure cannot form the effect of noise reduction and noise elimination, resulting in a large noise when it starts and affects the surrounding environment. At the same time, the fixed structure of wrapping sound-absorbing cotton has a poor noise reduction effect.

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

[0006] A noise reduction device for a powder separator includes a main support shell. Clamping grooves are symmetrically opened on the top surface and the bottom surface of the main support shell. An isolation rubber plate is horizontally and fixedly clamped on the inner side edge of the clamping groove. An outer mating shell is horizontally clamped on the outer side edge of the main support shell. Matching grooves are symmetrically opened on the top surface and the bottom surface of the outer mating shell. A sealing rubber plate is horizontally and fixedly clamped on the inner side edge of the matching groove. A sound insulation inner layer is fixedly arranged on the inner side edge of the main support shell. A porous inner layer is fixedly arranged on the side of the sound insulation inner layer. A sponge inner plate is fixedly arranged on the inner side edge of the porous inner layer. A sound absorption hole plate is horizontally and fixedly clamped on the outer side edge of the main support shell. A support sponge is fixedly bonded to one side of the sound absorption hole plate. Side jacks are symmetrically opened on the outer side edge of the main support shell. A snap hole is opened on the inner side edge of the side jack. Mounting plate strips are horizontally and symmetrically welded on the bottom surface of the main support shell. Mounting holes are evenly opened on the side of the mounting plate strip. Insertion blocks are symmetrically welded on the inner side edge of the outer mating shell. A clamping inclined block is clamped on one side of the insertion block. An isolation inner layer is fixedly arranged on the inner side edge of the outer mating shell. A clamping hole is opened on one side of the insertion block. A support spring is clamped on the inner side edge of the clamping hole.

[0007] As a preferred embodiment of the present utility model: the number of the main support shells is two, and both of the two main support shells are arranged in a semi-circular shape. The buckling channel is opened at the center position of the straight edges of the top surface and the bottom surface of the main support shell, and the inside of the buckling channel is kept connected with the inside of the main support shell.

[0008] As a preferred embodiment of the present utility model: the isolation rubber plate is made of soft rubber material. The number of the outer matching shells is four, and all of the four outer matching shells are buckled and arranged on the outer side edges of the main support shell in an annular shape. The matching grooves are symmetrically and penetratingly opened at the corner positions of the top surface and the bottom surface of the outer matching shell.

[0009] As a preferred embodiment of the present utility model: the sound insulation inner layer is made of sound insulation material and is fixedly arranged at the inner arc surface position of the main support shell. The sponge inner plate is fixedly arranged in a filling manner at the inner side edge of the porous inner layer. The sound absorption hole plate is horizontally and fixedly clamped in an arc shape at the position of the outer arc surface through groove of the main support shell.

[0010] As a preferred embodiment of the present utility model: the support sponge is fixedly arranged at the side edge of the sound absorption hole plate away from the sound insulation inner layer. The side jacks are symmetrically opened at the positions of the outer arc surface of the main support shell close to the top end and the bottom end. The mounting strips are horizontally and symmetrically fixedly arranged at the straight edge position of the bottom surface of the main support shell, and the side edges of the adjacent mounting strips are butted and arranged. The mounting holes are horizontally and equidistantly arranged in a line shape.

[0011] As a preferred embodiment of the present utility model: the plug-in blocks are symmetrically and fixedly arranged at the positions of the inner arc surface of the outer matching shell close to the top end and the bottom end, and one ends of the plug-in blocks are correspondingly inserted into the inner side edges of the side jacks. One end of the buckling inclined block is clamped in the inner side edge of the clamping hole, and the other end is correspondingly clamped in the inner side edge of the buckling hole. One end of the support spring is butted at the insertion end of the buckling inclined block.

[0012] Compared with the prior art, the beneficial effects of the present utility model are:

[0013] The utility model is characterized in that the main support shells are arranged in a buckled manner on the outer side of the classifier, so that the main support shells are arranged in a wrapped manner on the outer side of the central tank body of the classifier. After the side edges of the adjacent mounting strips are butted, bolts are passed through the mounting holes to fix and install the mounting strips. After the main support shells are installed, an isolation effect can be formed on the tank body at the center position. The porous inner layer and the sound insulation inner layer inside can form an isolation and sound insulation effect, and the sponge inner plate and the sound absorption hole plate further eliminate noise. A plurality of outer matching shells are buckled on the outer side of the main support shell, so that the outer matching shells are buckled on the outer sides of a plurality of tank bodies outside the main tank body. After the plug-in blocks on the side are correspondingly inserted into the inner sides of the side plug holes, the support springs abut against the buckling inclined blocks and extend and are clamped into the inner sides of the buckling holes for fixation, forming a fixed installation operation for the outer matching shells. Under the isolation of the outer matching shells, a wrapped isolation and sound insulation effect can be formed on the external tank body. The adoption of a split wrapped structure makes the installation more convenient and efficient, and at the same time, the wrapped sound insulation structure makes the overall sound insulation and noise reduction effect better. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Other features, objects and advantages of the present utility model will become more apparent by reading the detailed description of the non-limiting embodiments with reference to the following drawings:

[0015] Figure 1 FIG. is a three-dimensional structural diagram of a noise reduction device for a classifier;

[0016] Figure 2 FIG. is a structural diagram of the connection details of the front view section of the main support shell of a noise reduction device for a classifier;

[0017] Figure 3 FIG. is a structural diagram of the connection details of the top view section of the main support shell of a noise reduction device for a classifier;

[0018] Figure 4 FIG. is a structural diagram of the connection details of the top view of the outer matching shell of a noise reduction device for a classifier;

[0019] Figure 5 FIG. is a structural diagram of the connection details of the front view section of the outer matching shell of a noise reduction device for a classifier.

[0020] In the figure: 1, main support shell; 2, buckling channel; 3, isolation rubber plate; 4, outer matching shell; 5, matching groove; 6, sealing rubber plate; 7, sound insulation inner layer; 8, porous inner layer; 9, sponge inner plate; 10, sound absorption hole plate; 11, support sponge; 12, side plug hole; 13, buckling hole; 14, mounting strip; 15, mounting hole; 16, plug-in block; 17, buckling inclined block; 18, isolation inner layer; 19, clamping hole; 20, support spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Please refer to Figure 1 , in the embodiment of the present utility model, a noise reduction device for a powder separator includes a main support shell 1. Buckling groove channels 2 are symmetrically formed in the top and bottom surfaces of the main support shell 1. The number of the main support shell 1 is two, and both of the two main support shell 1 are arranged in a semi-circular shape. The buckling groove channels 2 are formed at the center positions of the straight edges of the top and bottom surfaces of the main support shell 1, and the interior of the buckling groove channels 2 is in communication with the interior of the main support shell 1. An isolation rubber plate 3 is horizontally and fixedly clamped on the inner side edge of the buckling groove channels 2. An outer fitting shell 4 is horizontally buckled on the outer side edge of the main support shell 1. Matching grooves 5 are symmetrically formed in the top and bottom surfaces of the outer fitting shell 4. The isolation rubber plate 3 is made of a soft rubber material. The number of the outer fitting shell 4 is four, and the four outer fitting shells 4 are all buckled on the outer side edge of the main support shell 1 in an annular shape. The matching grooves 5 are symmetrically and penetratingly formed at the corner positions of the top and bottom surfaces of the outer fitting shell 4. A sealing rubber plate 6 is horizontally and fixedly clamped on the inner side edge of the matching grooves 5;

[0022] Please refer to Figures 2 - 5, in the embodiment of the present utility model, a noise reduction device for a powder separator, wherein a sound insulation inner layer 7 is fixedly arranged on the inner side edge of the main support shell 1, a porous inner layer 8 is fixedly arranged on the side edge of the sound insulation inner layer 7, a sponge inner plate 9 is fixedly arranged on the inner side edge of the porous inner layer 8, a sound absorption hole plate 10 is horizontally and fixedly clamped on the outer side edge of the main support shell 1. The sound insulation inner layer 7 is made of sound insulation material and is fixedly arranged at the inner arc surface position of the main support shell 1. The sponge inner plate 9 is fixedly arranged in a filling shape on the inner side edge of the porous inner layer 8. The sound absorption hole plate 10 is horizontally and fixedly clamped in an arc shape at the outer arc surface through groove position of the main support shell 1. A support sponge 11 is fixedly bonded to one side edge of the sound absorption hole plate 10. Side jacks 12 are symmetrically opened on the outer side edge of the main support shell 1, and a snap hole 13 is opened on the inner side edge of the side jack 12. Installation strip plates 14 are horizontally and symmetrically welded on the bottom surface of the main support shell 1, and installation holes 15 are evenly opened on the side edges of the installation strip plates 14. The support sponge 11 is fixedly arranged at the position of one side edge of the sound absorption hole plate 10 away from the sound insulation inner layer 7. The side jacks 12 are symmetrically opened at the positions of the outer arc surface of the main support shell 1 near the top and bottom. The installation strip plates 14 are horizontally and symmetrically fixedly arranged at the straight edge position of the bottom surface of the main support shell 1, and the side edges of the adjacent installation strip plates 14 are arranged in butt joint. The installation holes 15 are horizontally arranged at equal intervals in a straight line. Plug-in blocks 16 are symmetrically welded on the inner side edge of the outer cooperation shell 4, a buckling inclined block 17 is clamped on one side edge of the plug-in block 16, an isolation inner layer 18 is fixedly arranged on the inner side edge of the outer cooperation shell 4, a clamping hole 19 is opened on one side edge of the plug-in block 16, and a support spring 20 is clamped on the inner side edge of the clamping hole 19. The plug-in blocks 16 are symmetrically and fixedly arranged at the positions of the inner arc surface of the outer cooperation shell 4 near the top and bottom, and one end of each plug-in block 16 is correspondingly inserted into the inner side edge of the side jack 12. One end of the buckling inclined block 17 is clamped in the inner side edge of the clamping hole 19, and the other end is correspondingly clamped in the inner side edge of the snap hole 13. One end of the support spring 20 is butt-jointed to the inserted end of the buckling inclined block 17.

[0023] The working principle of the present utility model is:

[0024] The main support shells 1 are arranged in a buckled state with each other on the outer side of the separator, so that the main support shells 1 are arranged in a wrapped state on the outer side of the central tank body of the separator. After the side edges of the adjacent mounting strips 14 are butted, bolts are passed through the mounting holes 15 to fix and install the mounting strips 14. After the main support shells 1 are installed, an isolation effect can be formed on the tank body at the center position. The porous inner layer 8 and the sound insulation inner layer 7 inside can form an isolation and sound insulation effect, and the sponge inner plate 9 and the sound absorption hole plate 10 further eliminate noise. A plurality of outer mating shells 4 are buckled on the outer side of the main support shell 1, so that the outer mating shells 4 are buckled on the outer sides of a plurality of tank bodies outside the main tank body. After the plug-in blocks 16 on the side are correspondingly plugged into the inner part of the side plug holes 12, the support springs 20 abut against the buckling inclined blocks 17 and extend and are clamped in the buckling holes 13 to be fixed, forming a fixed installation operation for the outer mating shells 4. Under the isolation of the outer mating shells 4, a wrapped isolation and sound insulation effect can be formed on the external tank body.

[0025] The above is only the preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, making equivalent substitutions or changes should be covered within the protection scope of the present invention.

Claims

1. A noise reduction device for a powder separator, comprising a main support shell (1), characterized in that, The top and bottom surfaces of the main support shell (1) are symmetrically provided with snap-in channels (2). The inner side edges of the snap-in channels (2) are horizontally and fixedly clamped with isolation rubber plates (3). The outer side edges of the main support shell (1) are horizontally snap-connected with an outer fitting shell (4). The top and bottom surfaces of the outer fitting shell (4) are symmetrically provided with fitting grooves (5). The inner side edges of the fitting grooves (5) are horizontally and fixedly clamped with sealing rubber plates (6). The inner side edges of the main support shell (1) are fixedly provided with a sound insulation inner layer (7). The side edges of the sound insulation inner layer (7) are fixedly provided with a porous inner layer (8). The inner side edges of the porous inner layer (8) are fixedly provided with a sponge inner plate (9). The outer side edges of the main support shell (1) are horizontally and fixedly clamped with a sound absorption hole plate (10). One side edge of the sound absorption hole plate (10) is fixedly bonded with a support sponge (11). The outer side edges of the main support shell (1) are symmetrically provided with side jacks (12). The inner side edges of the side jacks (12) are provided with snap holes (13). The bottom surface of the main support shell (1) is horizontally and symmetrically welded with mounting strip plates (14). The side edges of the mounting strip plates (14) are evenly provided with mounting holes (15). The inner side edges of the outer fitting shell (4) are symmetrically welded with plug-in blocks (16). One side edge of the plug-in block (16) is clamped with a snap-in inclined block (17). The inner side edges of the outer fitting shell (4) are fixedly provided with an isolation inner layer (18). One side edge of the plug-in block (16) is provided with a clamping hole (19). The inner side edges of the clamping hole (19) are clamped with a support spring (20).

2. The noise reduction device of a powder separator according to claim 1, characterized in that The number of the main support shells (1) is two, and the two main support shells (1) are both arranged in a semi-circular shape. The snap-in channels (2) are opened at the center positions of the straight edges of the top and bottom surfaces of the main support shell (1), and the inside of the snap-in channels (2) is kept connected with the inside of the main support shell (1).

3. The noise reduction device of a powder separator according to claim 1, characterized in that The isolation rubber plates (3) are made of soft rubber materials. The number of the outer fitting shells (4) is four, and the four outer fitting shells (4) are all snap-connected to the outer side edges of the main support shell (1) in a circular ring shape. The fitting grooves (5) are symmetrically and penetratingly opened at the corner positions of the top and bottom surfaces of the outer fitting shell (4).

4. The noise reduction device of a powder separator according to claim 1, characterized in that, The sound insulation inner layer (7) is made of sound insulation materials and is fixedly arranged at the inner arc surface position of the main support shell (1). The sponge inner plate (9) is fixedly arranged in a filling manner at the inner side edges of the porous inner layer (8). The sound absorption hole plate (10) is horizontally and fixedly clamped in an arc shape at the through groove position of the outer arc surface of the main support shell (1).

5. The noise reduction device of a powder separator according to claim 1, characterized in that, The support sponge (11) is fixedly arranged at the side edge position of the sound absorption hole plate (10) away from the sound insulation inner layer (7). The side jacks (12) are symmetrically opened at the positions near the top and bottom ends of the outer arc surface of the main support shell (1). The mounting strip plates (14) are horizontally and symmetrically fixedly arranged at the straight edge positions of the bottom surface of the main support shell (1), and the side edges of the adjacent mounting strip plates (14) are arranged in butt joint. The mounting holes (15) are arranged horizontally and equidistantly in a straight line shape.

6. The noise reduction device for a powder separator according to claim 1, characterized in that, The plug-in blocks (16) are symmetrically and fixedly arranged at positions near the top and bottom of the inner arc surface of the outer mating shell (4), and one end of each plug-in block (16) is correspondingly inserted into the inner side of the side jack (12). One end of the buckling inclined block (17) is clamped on the inner side of the clamping hole (19), and the other end is correspondingly clamped on the inner side of the buckling hole (13). One end of the support spring (20) is butt-jointed to the insertion end of the buckling inclined block (17).

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