CN116971982A - Iron ore mortar pump house noise reduction system - Google Patents
Iron ore mortar pump house noise reduction system Download PDFInfo
- Publication number
- CN116971982A CN116971982A CN202310971668.XA CN202310971668A CN116971982A CN 116971982 A CN116971982 A CN 116971982A CN 202310971668 A CN202310971668 A CN 202310971668A CN 116971982 A CN116971982 A CN 116971982A
- Authority
- CN
- China
- Prior art keywords
- noise reduction
- pump house
- mortar pump
- iron ore
- reduction system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 52
- 230000009467 reduction Effects 0.000 title claims abstract description 32
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 29
- 238000013016 damping Methods 0.000 claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 239000002131 composite material Substances 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims description 22
- 238000002955 isolation Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000004630 mental health Effects 0.000 abstract description 4
- 230000008030 elimination Effects 0.000 abstract description 3
- 238000003379 elimination reaction Methods 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 description 9
- 239000011490 mineral wool Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/001—Noise damping
- F04B53/003—Noise damping by damping supports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/001—Noise damping
- F04B53/002—Noise damping by encapsulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/08—Cooling; Heating; Preventing freezing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention is suitable for the field of factory building noise reduction systems, and provides an iron ore mortar pump house noise reduction system, which comprises damping elements arranged on each mortar pump; the damping element is arranged between the concrete foundation and the profile steel base; the mortar pumps are a group, each group is externally provided with a composite noise elimination cover, and the damping element is a rubber vibration isolator or a damping spring vibration isolator or a rubber vibration isolator. Therefore, the invention can greatly reduce the influence of the noise of the mortar pump room on the environment of the surrounding working area, meets the requirement of environmental protection standard, and greatly improves the working environment of the pump room operators. The problem that the noise of the mortar pump room influences the normal work of operators is effectively solved, and the physical and mental health of workers in surrounding working areas is effectively improved; the engineering can also generate better social benefit after being built and put into operation.
Description
Technical Field
The invention relates to the field of factory building noise reduction systems, in particular to an iron ore mortar pump house noise reduction system.
Background
The main noise source of the pump room is noise generated during normal operation of the mortar pump units (6 mortar pumps are installed in each pump room in general), so that control measures are needed to be taken for the main noise source of the pump room, the noise generated by the mortar pumps reaches the environmental standard, the environmental quality in the surrounding area is ensured, and a quiet working environment is provided for surrounding staff.
Because the pump house has more noise sources, only a single noise reduction measure is difficult to meet the requirements, and comprehensive dust prevention measures of comprehensive treatment and control engineering, namely the combination of noise elimination, sound insulation and shock absorption, are required to be adopted. Meanwhile, as the overhauling traveling crane is arranged on the inner top of the pump room, the whole noise reduction treatment of the mortar pump is not easy to realize for the existing structure.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of Invention
Aiming at the defects, the invention aims to provide the iron ore mortar pump house noise reduction system which can greatly reduce the influence of the noise of the mortar pump house on the environment of a peripheral working area, meets the requirement of environmental protection standards and greatly improves the working environment of pump house operators. The problem that the noise of the mortar pump room influences the normal work of operators is effectively solved, and the physical and mental health of workers in surrounding working areas is effectively improved; the engineering can also generate better social benefit after being built and put into operation.
In order to achieve the above purpose, the invention provides a noise reduction system for an iron ore mortar pump house, comprising a damping element arranged on each mortar pump; the damping element is arranged between the concrete foundation and the profile steel base; the mortar pumps are in a group, and each group is externally provided with a composite muffler cover.
According to the iron ore mortar pump house noise reduction system, the damping element is a rubber vibration isolator or a damping spring vibration isolator or a rubber vibration isolator.
According to the iron ore mortar pump house noise reduction system, the damping spring vibration isolator is arranged on the iron ore mortar pump house.
According to the iron ore mortar pump house noise reduction system, the composite noise elimination cover comprises a fixed side surface arranged on at least one side, a detachable side surface connected with the fixed side surface and enclosing an inner space, and a top surface arranged on the top of the detachable side surface and the top of the fixed side surface; and an air inlet and an air outlet for installing the muffler are formed in the fixed side face.
According to the iron ore mortar pump house noise reduction system, the top surface is in a detachable structure.
According to the iron ore mortar pump house noise reduction system, a sound insulation wrapping is arranged outside the pipeline; a metal soft joint is arranged at the position of the pipeline penetrating through the wall body, a rubber vibration isolation pad is additionally arranged under the pipeline, and a gap is filled with flexible materials.
According to the iron ore mortar pump house noise reduction system, a window in a pump house is changed into a double-layer hollow glass sound insulation window.
According to the iron ore mortar pump house noise reduction system, the door of the pump house is changed into a sound insulation fireproof door.
According to the iron ore mortar pump house noise reduction system, a wall body on one side of a pump house window is made into a sound insulation wall, a supporting framework of the wall body is made of rectangular steel, and a composite sound insulation plate is fixed on the outer layer of the framework.
According to the iron ore mortar pump house noise reduction system, the semi-closed sliding type sound absorption and insulation screen is arranged near the pump body.
The invention provides a noise reduction system for an iron ore mortar pump house, which comprises damping elements arranged on each mortar pump, wherein the damping elements are selected according to factors such as pump model specifications, unit rotating speed, system quality and installation position, load values, frequency ratio requirements and the like, the damping elements are rubber vibration isolators or damping spring vibration isolators or rubber vibration isolators, in particular, in the implementation, the damping spring vibration isolators are selected, and 6 damping spring vibration isolators are arranged on each pump base; when in installation, the damping element is arranged between the concrete foundation and the profile steel base. The invention can greatly reduce the influence of the noise of the mortar pump room on the environment of the surrounding working area, meets the requirement of environmental protection standard, and greatly improves the working environment of pump room operators. The problem that the noise of the mortar pump room influences the normal work of operators is effectively solved, and the physical and mental health of workers in surrounding working areas is effectively improved; the engineering can also generate better social benefit after being built and put into operation.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is another angular schematic view of the present invention;
FIG. 3 is a schematic view of the structure of the top surface of the present invention;
in the figure, 1-damping elements, 2-concrete foundations, 3-section steel bases, 21-fixed side surfaces, 22-detachable side surfaces, 23-top surfaces, 24-air inlets, 25-air outlets, 26-bolts and 4-environment-friendly sound absorbing cotton.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and examples, it being understood that the specific examples described herein are for illustration only and are not intended to limit the present invention.
Referring to fig. 1, 2 and 3, the invention provides an iron ore mortar pump house noise reduction system, which comprises a damping element 1 arranged at the bottom of each mortar pump, wherein vibration isolation elements are selected according to factors such as pump model specification, unit rotating speed, system quality and installation position, load value, frequency ratio requirement and the like, the damping element 1 is a rubber vibration isolation pad or a damping spring vibration isolation pad or a rubber vibration isolator, in particular, in the implementation, the damping spring vibration isolation pad is selected, and 6 damping spring vibration isolation pads are arranged on each pump base; when installed, the damping element is arranged between the concrete foundation 2 and the profile steel base 3 (shown in figure 1).
In this embodiment, 3 mortar pumps are used as a group, and an independent composite muffler is arranged outside each group. The noise source is enclosed in a small space to reduce the external radiation noise. The composite muffler cover comprises a fixed side surface 21 arranged on at least one side, a detachable side surface 22 connected with the fixed side surface 21 and surrounding an inner space, and a top surface 23 arranged on the top of the detachable side surface 22 and the fixed side surface 21, wherein the fixed side surface 21 is adaptively arranged according to the number of wall surfaces in an installed pump room, for example, is arranged at a corner, and a cover body space is formed by two wall surfaces, a group of fixed side surfaces 21 and a group of detachable side surfaces 22; removable side 22 is provided for access by maintenance personnel; the fixed side surface 21 is provided with an air inlet 24 and an air outlet 25 for installing a muffler, and circulation of the inner space of the composite muffler cover is realized through the air inlet 24 and the air outlet 25, so that heat dissipation of equipment is realized.
The whole muffler cover shell is formed by adding 80kg/m to a 2mm steel plate 3 Is composed of rock wool and perforated aluminium plate of 0.5mm, and the sound damping sheet consists of 80kg/m 3 Is formed by adding 0.5mm perforated aluminum plate into rock wool.
By way of further illustration, the top surface 23 is configured as a removable structure, and the top surface 23 is attached to the other surfaces by means of bolts 26.
In addition, a sound insulation wrapping (10 mm or 25mm thick environment-friendly sound-absorbing cotton 4 is selected) is arranged outside the pipeline, and a detachable sound-absorbing and insulating module is arranged at the positions of the air valve, the soft joint and the like so as to conveniently protect and overhaul the fan normally; a metal soft joint is arranged at the position of the pipeline penetrating through the wall body, a rubber vibration isolation pad is additionally arranged under the pipeline, and gaps are filled with flexible materials (environment-friendly sound absorption cotton and the like are selected).
The mechanical transmission noise and aerodynamic noise generated by the mortar pump are reflected back through the air and the wall in the house to generate reverberant sound, the reverberant sound is directly transmitted out of the house through a door and window gap, the surrounding staff is greatly injured, and the sound is controlled to radiate outwards through sound insulation treatment measures, so that the pump house is transformed into a closed space.
Changing a window in a pump room into a double-layer hollow glass sound insulation window, wherein the size of the sound insulation window is designed into a single-opening sliding door according to the original building design size;
the door of the pump house is changed into a sound insulation fireproof door (the outer frame of the sound insulation door is formed by processing steel with the thickness of 2mm, rock wool with the middle filling density of 80kg/m < 3 > is used as sound absorption material, and the thickness of the rock wool is 100 mm).
For indoor reverberant sound, sound absorption treatment is required to be carried out in a workshop, a wall body (with the window area subtracted) at one side of a pump room window is made into a sound insulation wall, a supporting framework is made of 100 x 50 rectangular steel, and a composite sound insulation plate is fixed at the outer layer of the framework, and the plate thickness is 20mm; rock wool with the middle filling density of 80kg/m3 is used as sound absorption material, and the thickness of the rock wool is 100mm; the inner side is provided with a perforated aluminum plate as a sound absorption plate, the plate thickness is 0.5mm, the hole diameter is 5mm, and the perforation rate is more than or equal to 20 percent. (depending on the effect of the treatment).
A semi-closed sliding type sound absorbing and insulating screen is arranged near the pump body. The specific manufacturing method comprises the following steps: the sound insulation screen is provided with universal wheels. The supporting framework is made of 100 x 50 rectangular steel, a composite sound insulation plate is fixed on the outer layer of the framework, and the plate thickness is 20mm; rock wool with the middle filling density of 80kg/m3 is used as sound absorption material, and the thickness of the rock wool is 100mm; the inner side is provided with a perforated aluminum plate as a sound absorption plate, the plate thickness is 0.5mm, the hole diameter is 5mm, and the perforation rate is more than or equal to 20 percent. (depending on the effect of the treatment)
And according to the continuous adoption of the existing ventilation facilities, a muffler is arranged at the ventilation opening according to the situation.
Through the noise control measures, the sound pressure level of noise generated during normal operation in a pump room can be obviously reduced, and then the noise can be controlled through natural attenuation, so that the noise limit specified by class III region standard of sound environment quality standard (GB 3096-2008) is reached. And the noise in the pump room is controlled to be less than 85dB of limit specified in the industrial enterprise design sanitation standard (GBZ 1-2010).
In addition to the above control measures, operators must operate in accordance with regulations: i.e. the door and window must be closed during normal operation, preventing indoor noise from radiating outdoors.
The invention provides a noise reduction system for an iron ore mortar pump house, which comprises damping elements arranged on each mortar pump, wherein the damping elements are selected according to factors such as pump model specifications, unit rotating speed, system quality and installation position, load values, frequency ratio requirements and the like, the damping elements are rubber vibration isolators or damping spring vibration isolators or rubber vibration isolators, in particular, in the implementation, the damping spring vibration isolators are selected, and 6 damping spring vibration isolators are arranged on each pump base; when in installation, the damping element is arranged between the concrete foundation and the profile steel base. The invention can greatly reduce the influence of the noise of the mortar pump room on the environment of the surrounding working area, meets the requirement of environmental protection standard, and greatly improves the working environment of pump room operators. The problem that the noise of the mortar pump room influences the normal work of operators is effectively solved, and the physical and mental health of workers in surrounding working areas is effectively improved; the engineering can also generate better social benefit after being built and put into operation.
Of course, the present invention is capable of other various embodiments and its several details are capable of modification and variation in light of the present invention, as will be apparent to those skilled in the art, without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. The iron ore mortar pump house noise reduction system is characterized by comprising damping elements arranged at the bottom of each mortar pump; the damping element is arranged between the concrete foundation and the profile steel base;
the mortar pumps are in a group, and each group is externally provided with a composite muffler cover.
2. The iron ore mortar pump house noise reduction system of claim 1, wherein the shock absorbing element is selected from a rubber vibration isolator or a damping spring vibration isolator or a rubber vibration isolator.
3. The iron ore mortar pump house noise reduction system of claim 2 wherein the damping spring vibration isolator.
4. The iron ore mortar pump house noise reduction system according to claim 1, wherein the composite muffler cover comprises a fixed side surface arranged on at least one side, a detachable side surface connected with the fixed side surface and enclosing an inner space, and a top surface arranged on the top of the detachable side surface and the fixed side surface;
and an air inlet and an air outlet for installing the muffler are formed in the fixed side face.
5. The iron ore mortar pump house noise reduction system of claim 4 wherein the top surface is configured as a removable structure.
6. The iron ore mortar pump house noise reduction system according to claim 1, wherein a sound insulation wrapping is arranged outside the pipeline;
a metal soft joint is arranged at the position of the pipeline penetrating through the wall body, a rubber vibration isolation pad is additionally arranged under the pipeline, and a gap is filled with flexible materials.
7. The iron ore mortar pump house noise reduction system according to claim 1, wherein the window in the pump house is changed into a double-layer hollow glass sound insulation window.
8. The iron ore mortar pump house noise reduction system according to claim 1, wherein the door of the pump house is changed into a sound insulation fireproof door.
9. The iron ore mortar pump house noise reduction system according to claim 1 or 7, wherein the wall body at one side of the pump house window is made into a sound insulation wall, the supporting framework of the wall body is made of rectangular steel, and the composite sound insulation plate is fixed on the outer layer of the framework.
10. The iron ore mortar pump house noise reduction system according to claim 1, wherein a semi-closed sliding type sound absorbing and insulating screen is arranged near the pump body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310971668.XA CN116971982A (en) | 2023-08-03 | 2023-08-03 | Iron ore mortar pump house noise reduction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310971668.XA CN116971982A (en) | 2023-08-03 | 2023-08-03 | Iron ore mortar pump house noise reduction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116971982A true CN116971982A (en) | 2023-10-31 |
Family
ID=88476314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310971668.XA Pending CN116971982A (en) | 2023-08-03 | 2023-08-03 | Iron ore mortar pump house noise reduction system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116971982A (en) |
-
2023
- 2023-08-03 CN CN202310971668.XA patent/CN116971982A/en active Pending
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