CN214404126U - Low-noise centrifugal pump - Google Patents
Low-noise centrifugal pump Download PDFInfo
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- CN214404126U CN214404126U CN202023339828.XU CN202023339828U CN214404126U CN 214404126 U CN214404126 U CN 214404126U CN 202023339828 U CN202023339828 U CN 202023339828U CN 214404126 U CN214404126 U CN 214404126U
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- centrifugal pump
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Abstract
The utility model relates to a centrifugal pump field discloses a low noise centrifugal pump, including the centrifugal pump main part, the lower extreme of centrifugal pump main part is provided with the centrifugal pump fixed plate, centrifugal pump fixed plate lower extreme is provided with shock attenuation sound-proof structure, shock attenuation sound-proof structure includes fixed baseplate and shock attenuation puigging, fixed baseplate is provided with the concave station of installation shock attenuation puigging, the centrifugal pump fixed plate is fixed on the shock attenuation puigging, be provided with the sound-proof housing that covers the centrifugal pump main part on the shock attenuation puigging, effectively give sound insulation, improve the operation environment, reduced the noise pollution to outside.
Description
Technical Field
The utility model relates to a centrifugal pump, in particular to low noise centrifugal pump.
Background
The centrifugal pump can be widely used for conveying slurry containing solid particles in the industries of electric power, metallurgy, coal, building materials and the like. Such as hydraulic ash removal in thermal power plants, ore pulp transportation in metallurgical dressing plants, coal slurry and dense medium transportation in coal washing plants, and the like. When the centrifugal pump works, the pump needs to be placed on the land, the water suction pipe is placed in water, and the pump needs to be filled and started. Due to the structural limitation of the slurry pump and the submerged centrifugal pump, the motor needs to be placed above the water surface during operation, and the pump is placed in water and therefore needs to be fixed. In the use process of the centrifugal pump, the operation of the impeller and the vibration sound caused by the operation of the impeller are relatively loud, and the noise pollution is caused to the nearby environment.
SUMMERY OF THE UTILITY MODEL
The technical problem solved by the utility model is to provide a low noise centrifugal pump.
The utility model provides a technical scheme that its technical problem adopted is: a low-noise centrifugal pump comprises a centrifugal pump main body, wherein a liquid inlet pipeline in the horizontal direction and a liquid outlet pipeline in the vertical direction are arranged on the centrifugal pump main body, a centrifugal pump fixing plate is arranged at the lower end of the centrifugal pump main body, a damping sound insulation structure is arranged at the lower end of the centrifugal pump fixing plate and comprises a fixing base plate and a damping sound insulation layer, the fixing base plate is provided with a concave platform for installing the damping sound insulation layer, the centrifugal pump fixing plate is fixed on the damping sound insulation layer, a sound insulation cover for covering the centrifugal pump main body is arranged on the damping sound insulation layer, a first mounting hole and a second mounting hole for the liquid inlet pipeline and the liquid outlet pipeline to pass through are respectively arranged on the sound insulation cover corresponding to the positions of the liquid inlet pipeline and the liquid outlet pipeline, annular elastic voice coil spacers are arranged in the first mounting hole and the second mounting hole, and the maximum effective inner diameter of each voice coil is larger than the thickest outer diameter of the liquid inlet pipeline and the liquid outlet pipeline, elasticity separates the voice coil loudspeaker voice coil natural state under the internal diameter be less than the finest external diameter of liquid inlet pipe way and liquid outlet pipe way, the motor fan thermovent that centrifugal pump main part was gone up to the sound-proof housing corresponds the position and sets up the louvre, the top of sound-proof housing is provided with a plurality of vertical first abatvoix, first abatvoix upper end is provided with horizontally second abatvoix perpendicularly, the first abatvoix both sides of sound-proof housing top correspond the position with the second abatvoix and are provided with the air exchange hole. The sound insulation is effectively realized, the working environment is improved, and the noise pollution to the outside is reduced.
Further, the method comprises the following steps: the sound-proof housing is including the vertical acoustic celotex board that is located the feed liquor pipeline one side of centrifugal pump main part and the crossing combination acoustic celotex board of perpendicular that is located other four directions of shock attenuation puigging top centrifugal pump main part, first abatvoix, second abatvoix and combination acoustic celotex board structure as an organic whole, first mounting hole and second mounting hole are located vertical acoustic celotex board and combination acoustic celotex board respectively. Simple structure and convenient installation.
Further, the method comprises the following steps: the damping and sound insulation layer is provided with a third sound-absorbing plate horizontally connected with the lower end of the sound-proof cover, the third sound-absorbing plate is provided with a fourth sound-absorbing plate on one side of the sound-proof cover away from the heat-emitting holes, the fourth sound-absorbing plate is parallel to the outer surface of one side of the sound-proof cover with the heat-emitting holes, and the first sound-absorbing plate, the second sound-absorbing plate, the combined sound-proof plate, the third sound-absorbing plate and the fourth sound-absorbing plate are of an integrated structure. And silencing the sound emitted by the heat dissipation holes.
Further, the method comprises the following steps: and lower air circulation holes are formed in the lower sides of the positions, corresponding to the heat dissipation holes, of the fourth sound absorption plates. The heat dissipation is convenient.
Further, the method comprises the following steps: the lower end of the fixed base plate is provided with a plurality of damping shock absorbers fixedly supporting the fixed base plate. And further damping treatment is carried out, so that the noise is reduced.
Drawings
Fig. 1 is a schematic front view of the present invention with part of the sound-proof housing removed.
Labeled as: the centrifugal pump comprises a centrifugal pump body 100, a liquid inlet pipeline 101, a liquid outlet pipeline 102, a centrifugal pump fixing plate 110, a fixing base plate 210, a vibration-damping sound-insulating layer 220, a sound-insulating cover 300, heat dissipation holes 310, a first sound-absorbing plate 321, a second sound-absorbing plate 322, a third sound-absorbing plate 323, a fourth sound-absorbing plate 324, an air flow through hole 325, an air exchange hole 330, an elastic sound-insulating coil 400 and a damping shock absorber 500.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1, a low noise centrifugal pump includes a centrifugal pump main body 100, a liquid inlet pipe 101 in a horizontal direction and a liquid outlet pipe 102 in a vertical direction are provided on the centrifugal pump main body 100, a centrifugal pump fixing plate 110 is provided at a lower end of the centrifugal pump main body 100, a vibration-damping and sound-insulating structure is provided at a lower end of the centrifugal pump fixing plate 110, the vibration-damping and sound-insulating structure includes a fixing substrate 210 and a vibration-damping and sound-insulating layer 220, the fixing substrate 210 is provided with a concave platform for mounting the vibration-damping and sound-insulating layer 220, the centrifugal pump fixing plate 110 is fixed on the vibration-damping and sound-insulating layer 220, a sound-insulating cover 300 for covering the centrifugal pump main body 100 is provided on the sound-insulating cover 300, a first mounting hole and a second mounting hole for the liquid inlet pipe 101 and the liquid outlet pipe 102 to pass through are respectively provided on positions corresponding to the liquid inlet pipe 101 and the liquid outlet pipe 102, and annular elastic voice coils 400 are provided in the first mounting hole and the second mounting hole, elasticity separates the biggest effective internal diameter of voice coil 400 and is greater than the thickest department external diameter of inlet fluid pipeline 101 and liquid outlet pipeline 102, elasticity separates the voice coil 400 internal diameter under the natural state and is less than the thinnest department external diameter of inlet fluid pipeline 101 and liquid outlet pipeline 102, the motor fan thermovent of centrifugal pump main part 100 sets up louvre 310 on sound-proof housing 300 corresponds the position, the top of sound-proof housing 300 is provided with a plurality of vertical first abatvoix 321, first abatvoix 321 upper end is provided with horizontally second abatvoix 322 perpendicularly, the first abatvoix 321 both sides in sound-proof housing 300 top correspond the position with second abatvoix 322 and are provided with air exchange hole 330. In specific implementation, the shock-absorbing and sound-insulating layer 220 is a buffer rubber plate, the sound-insulating cover 300, the first sound-absorbing plate 321 and the second sound-absorbing plate 322 are damping and sound-insulating plates, the elastic sound-insulating ring 400 is elastic sound-absorbing cotton, and the shock-absorbing and sound-insulating layer 220, the sound-insulating cover 300, the first sound-absorbing plate 321, the second sound-absorbing plate 322 and the elastic sound-insulating ring 400 can also be made of other sound-insulating materials meeting the requirements; firstly, fixing a centrifugal pump main body 100 on a centrifugal pump fixing plate 110 through screws, pasting a damping sound-insulating layer 220 in a concave table on a fixing substrate 210 by glue and fixing the damping sound-insulating layer by screws to ensure complete lamination, and then fixing the centrifugal pump fixing plate 110 and a sound-insulating cover 300 on the damping sound-insulating layer 220 through screws; the sound-proof cover 300, the first sound-absorbing plate 321, the second sound-absorbing plate 322 and the shock-absorbing sound-proof layer 220 are used for carrying out coating type sound-proof and noise-reduction on the centrifugal pump main body 100, and the shock-absorbing sound-proof layer 220 can also reduce noise generated by working type vibration of the centrifugal pump main body 100; the sound insulation is effectively realized, the working environment is improved, and the noise pollution to the outside is reduced.
On the basis of the above, as shown in fig. 1, the soundproof cover 300 includes a vertical soundproof plate located on the inlet duct 101 side of the centrifugal pump main body 100 and a combined soundproof plate located above the vibration damping soundproof layer 220 and perpendicularly intersecting with each other in four other directions of the centrifugal pump main body 100, the first sound absorbing plate 321, the second sound absorbing plate 322 and the combined soundproof plate are of an integral structure, and the first mounting hole and the second mounting hole are located on the vertical soundproof plate and the combined soundproof plate, respectively. In the concrete implementation, when installing sound-proof housing 300, pass inlet channel 101 with the first mounting hole on the vertical sound-proof board, the elasticity that first mounting hole was hindered separates the voice coil loudspeaker voice coil 400 shrink cover and establishes on inlet channel 101, the fixed vertical sound-proof board of counterpoint again, pass outlet channel 102 with the second mounting hole on the combination sound-proof board, the elasticity that the second mounting hole was hindered separates the voice coil loudspeaker voice coil 400 shrink cover and establishes on outlet channel 102, the fixed combination sound-proof board of counterpoint again to with vertical sound-proof board fixed together can, moreover, the steam generator is simple in structure, and convenient for installation.
On the basis, as shown in fig. 1, a third sound-absorbing plate 323 horizontally connected with the lower end of the soundproof cover 300 is arranged on one side of the heat dissipation hole 310 on the shock-absorbing soundproof layer 220, a fourth sound-absorbing plate 324 is arranged on one side of the third sound-absorbing plate 323 away from the heat dissipation hole 310, the fourth sound-absorbing plate 324 is parallel to the outer surface of one side of the heat dissipation hole 310 on the soundproof cover 300, and the first sound-absorbing plate 321, the second sound-absorbing plate 322, the combined soundproof plate, the third sound-absorbing plate 323 and the fourth sound-absorbing plate 324 are of an integrated structure. The sound emitted from the heat dissipation holes 310 is muffled.
In addition to the above, as shown in fig. 1, the fourth sound-absorbing panel 324 is provided with lower air flow holes 325 at positions corresponding to the heat radiation holes 310. The heat dissipation is convenient.
In addition to the above, as shown in fig. 1, a plurality of damping dampers 500 are fixedly supported on the lower end of the fixed base plate 210. And further damping treatment is carried out, so that the noise is reduced.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. The utility model provides a low noise centrifugal pump, includes centrifugal pump main part (100), be provided with horizontal direction's inlet pipe (101) and vertical direction's play liquid pipeline (102) on centrifugal pump main part (100), its characterized in that: the lower extreme of centrifugal pump main part (100) is provided with centrifugal pump fixed plate (110), centrifugal pump fixed plate (110) lower extreme is provided with shock attenuation sound-proof structure, shock attenuation sound-proof structure includes fixed baseplate (210) and shock attenuation puigging (220), fixed baseplate (210) are provided with the concave station of installation shock attenuation puigging (220), centrifugal pump fixed plate (110) are fixed on shock attenuation puigging (220), be provided with on shock attenuation puigging (220) and cover sound-proof housing (300) of centrifugal pump main part (100), it is provided with first mounting hole and second mounting hole that confession inlet pipe way (101) and outlet pipe way (102) pass through respectively to correspond inlet pipe way (101) and outlet pipe way (102) position on sound-proof housing (300), all be provided with annular elasticity in first mounting hole and the second mounting hole and separate voice coil loudspeaker voice coil (400), the biggest effective internal diameter that elasticity separates voice coil (400) is greater than inlet pipe way (101) and the coarsest of outlet pipe way (102) Department external diameter, elasticity separates the thinnest department external diameter that voice coil (400) internal diameter is less than inlet fluid pipeline (101) and goes out liquid pipeline (102) under the natural state, the motor fan thermovent of centrifugal pump main part (100) on sound-proof housing (300) corresponds position and sets up louvre (310), the top of sound-proof housing (300) is provided with a plurality of vertical first abatvoix (321), first abatvoix (321) upper end is provided with horizontally second abatvoix (322) perpendicularly, first abatvoix (321) both sides in sound-proof housing (300) top correspond the position with second abatvoix (322) and are provided with air exchange hole (330).
2. A low noise centrifugal pump according to claim 1, wherein: the sound-proof housing (300) is including the vertical acoustic celotex board that is located liquid inlet pipeline (101) one side of centrifugal pump main part (100) and the perpendicular crossing combination acoustic celotex board that is located other four directions of shock attenuation puigging (220) top centrifugal pump main part (100), first abatvoix (321), second abatvoix (322) and combination acoustic celotex board structure as an organic whole, first mounting hole and second mounting hole are located vertical acoustic celotex board and combination acoustic celotex board respectively.
3. A low noise centrifugal pump according to claim 2, wherein: louvre (310) one side is provided with third abatvoix (323) that links to each other with sound-proof housing (300) lower extreme level on shock attenuation puigging (220), louvre (310) one side is kept away from in third abatvoix (323) is provided with fourth abatvoix (324), the surface parallel of louvre (310) one side is gone up with sound-proof housing (300) in fourth abatvoix (324), first abatvoix (321), second abatvoix (322), combination acoustic celotex, third abatvoix (323) and fourth abatvoix (324) structure as an organic whole.
4. A low noise centrifugal pump according to claim 3, wherein: and lower air circulation holes (325) are formed in the fourth sound-absorbing board (324) at the lower sides of the positions corresponding to the heat dissipation holes (310).
5. A low noise centrifugal pump according to claim 1, wherein: the lower end of the fixed base plate (210) is provided with a plurality of damping shock absorbers (500) which are fixedly supported on the fixed base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023339828.XU CN214404126U (en) | 2020-12-31 | 2020-12-31 | Low-noise centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023339828.XU CN214404126U (en) | 2020-12-31 | 2020-12-31 | Low-noise centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214404126U true CN214404126U (en) | 2021-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023339828.XU Active CN214404126U (en) | 2020-12-31 | 2020-12-31 | Low-noise centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214404126U (en) |
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2020
- 2020-12-31 CN CN202023339828.XU patent/CN214404126U/en active Active
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