CN111179898A - Noise control method for water injection pump room - Google Patents
Noise control method for water injection pump room Download PDFInfo
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- CN111179898A CN111179898A CN202010103634.5A CN202010103634A CN111179898A CN 111179898 A CN111179898 A CN 111179898A CN 202010103634 A CN202010103634 A CN 202010103634A CN 111179898 A CN111179898 A CN 111179898A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 114
- 238000002347 injection Methods 0.000 title claims abstract description 109
- 239000007924 injection Substances 0.000 title claims abstract description 109
- 238000000034 method Methods 0.000 title claims abstract description 67
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- 238000005086 pumping Methods 0.000 description 2
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- 206010011878 Deafness Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 231100000895 deafness Toxicity 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
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- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1785—Methods, e.g. algorithms; Devices
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
- G10K11/1781—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
Abstract
The invention provides a noise control method for a water injection pump room, which comprises the following steps: step S1, testing the noise inside the water injection pump room by adopting a grid distribution method, and testing the exposure sound level of staff working contact by adopting a tracking method to obtain the noise data of the water injection pump room; step S2, the noise data of the water injection pump room obtained in the step S1 are sorted and analyzed to obtain the current noise situation; step S3, judging whether the noise value meets the factory boundary environmental noise emission standard and occupational health requirements; if yes, finishing; if not, determining the corresponding superscalar, and designing a noise reduction scheme. The control method can effectively control the noise aiming at the actual running condition of the water injection pump room of the oil field, so that the noise of the water injection pump room can reach the factory discharge standard and meet the requirements of occupational health.
Description
Technical Field
The invention belongs to the technical field of noise control, and particularly relates to a noise control method for a water injection pump room in an oil field.
Background
The water injection pump room of the oil field comprises a water injection pump unit, a water pump room, a control room and the like, is an important facility for implementing a water injection process, has important significance for realizing stable production of an oil well, and therefore needs to be on duty by workers and needs to be periodically overhauled or maintained. However, most water injection pump units in the water injection pump room have high power, and the noise value is between 90dB (A) and 100dB (A) during operation, so that the physical and psychological health of operators on duty and maintenance personnel is seriously damaged, and the surrounding environment is influenced. According to statistical investigation, the incidence of noise deafness of pump station workers accounts for 4.8%, and mainly comprises overhaul or maintenance workers, so that the problem of noise pollution needs to be solved urgently for occupational health and environmental protection.
Therefore, the noise control method for the water injection pump room of the oil field is provided.
Disclosure of Invention
The invention aims to provide a noise control method for a water injection pump room, which can effectively control noise according to the actual running condition of the water injection pump room of an oil field, and can ensure that the noise of the water injection pump room can reach the factory discharge standard and meet the requirement of occupational health.
In order to achieve the technical effect, the technical scheme adopted by the invention is as follows:
a noise control method for a water injection pump room comprises the following steps:
step S1, testing the noise inside the water injection pump room by adopting a grid distribution method, and testing the exposure sound level of staff working contact by adopting a tracking method to obtain the noise data of the water injection pump room;
step S2, the noise data obtained in the step S1 are sorted and analyzed to obtain the current noise situation;
step S3, judging whether the noise value meets the factory boundary environmental noise emission standard and occupational health requirements;
if yes, finishing;
if not, determining the corresponding superscalar, and designing a noise reduction scheme.
As an embodiment, step S1 includes: in the site investigation, a grid point distribution method is adopted to test the noise inside the water injection pump room, points are distributed around the equipment in the water injection pump room to test the noise value of the equipment, a tracking method is adopted to test the exposed sound level of polling contact of workers aiming at occupational health, and noise measuring points are arranged outside the plant and on the wall of the plant boundary in a row to test the noise outside the plant and the noise of the plant boundary.
As an embodiment, the step S1 includes: and testing the noise values of corresponding plant boundaries of the water injection pump unit, the water pump room, the duty room and the water injection pump room by using a sound level meter, and determining the emission standard of the noise plant boundary and the occupational health requirement executed in the region.
Preferably, the sound level meter employs a real-time signal analyzer.
As an embodiment, the step S2 classifies the obtained noise data of the flooding pumping room into equipment noise, occupational health, in-plant noise, out-of-plant noise, and plant-wide noise.
The noise of the equipment is the noise values of different positions around the equipment, the occupational health is the noise of an inspection path and an equipment inspection and maintenance position, and the factory boundary noise is the noise of a water injection pump room corresponding to the factory boundary.
As an embodiment, the step S2 includes: and (4) the noise data obtained in the step (S1) is sorted, the noise spectrum characteristic is analyzed, and the current noise situation of the main sound source of the water injection pump room is analyzed.
Specifically, as an embodiment, the step S2 includes:
step S21, classifying the obtained noise data of the water injection pump room into equipment noise, occupational health, noise inside the plant, noise outside the plant and factory boundary noise;
step S22, the exposure sound level and factory boundary noise value of the staff working contact to be tested and the water injection
Comparing the national standard values executed in the area where the pump room is located;
step S23, comparing the noise value inside the plant with the noise value outside the plant, and evaluating the water injection pump
Sound insulation of walls and doors and windows of the house;
step S24, arranging the noise value inside the water injection pump room on the gridding divided plane of the water injection pump room
And drawing a sound map in the water injection pump room on the layout map.
The water injection pump room noise control method combines and analyzes the technical means of measuring the exposure sound level by using the tracking method and measuring and drawing the sound map in the water injection pump room by using the grid method, is convenient for pertinently adopting noise control, and is more accurate and effective.
Further, the analysis includes the current noise situation of the inspection and maintenance area, the duty room and the factory boundary between the water pumps of the water injection pump room.
Further, the step S3 includes analyzing the noise spectrum characteristics and selecting the noise reduction material from a preset database of noise reduction materials for the device noise when the noise reduction scheme is designed.
As an embodiment, one third octave is selected for analyzing the noise spectral characteristics, the analysis frequency is in the audible range of human ears, and the analysis is more accurate by adopting one third octave.
As an embodiment, if step S3 determines that at least the noise value fails to meet the occupational health requirement, a corresponding superscalar is determined according to the occupational health requirement, and a first noise reduction scheme is established.
As an embodiment, the step S3 includes building a three-dimensional simulation computation model for the first noise reduction scheme, and predicting and analyzing the noise reduction effect of the first noise reduction scheme.
Further, the method for predicting and analyzing the noise reduction effect of the first noise reduction scheme comprises the following steps: establishing a three-dimensional simulation calculation model according to parameters including field equipment and room overall dimensions, inputting a first sound source parameter, verifying and correcting, adding a noise reduction measure in the model after the model is available, and calculating a prediction result;
if the prediction result meets the occupational health requirement executed in the area where the water injection pump room is located, taking the noise reduction measure as a first noise reduction scheme; otherwise, adjusting the noise reduction measure until the corresponding prediction result meets the occupational health requirement executed in the area where the water injection pump house is located.
Specifically, as an embodiment of the present invention, the first sound source parameter includes a device noise value and an external size.
Further, if the noise value after the step S3 predictive analysis of the first noise reduction scheme does not meet the occupational health requirement, noise reduction measures are added, and the design of the first noise reduction scheme is continued.
As a specific implementation, on the basis of the first noise reduction scheme, the added noise reduction measures are: the sound leakage point is blocked, and the sound insulation quantity of doors, windows or walls is increased or the combination of a plurality of types of sound leakage points is increased.
As an embodiment, the step S3 includes determining whether the noise value meets the occupational health requirement, and if so, completing the process; if not, determining the corresponding superscalar according to the emission standard of the noise factory boundary, and making a second noise reduction scheme.
Further, the step S3 includes building a three-dimensional simulation computation model for the second noise reduction scheme, and predicting and analyzing the noise reduction effect of the second noise reduction scheme.
As an embodiment, the predicting and analyzing the noise reduction effect of the second noise reduction scheme in step S3 includes: establishing a three-dimensional simulation calculation model according to parameters including the overall dimensions of a factory building, a door, a window and a ventilation opening, inputting second sound source parameters, verifying and correcting, adding noise reduction measures in the model after the model is available, and calculating a prediction result;
if the emission standard meets the factory discharge standard executed in the area where the water injection pump room is located, taking the noise reduction measure as a second noise reduction scheme; otherwise, adjusting the noise reduction measure until the corresponding prediction result meets the factory discharge standard executed in the area where the water injection pump room is located.
Specifically, as an embodiment of the present invention, the second sound source parameters include equivalent noise values of plant internal noise, plant external noise, and plant boundary noise, and a physical dimension.
As an embodiment, the method for verifying is as follows: and performing prediction calculation on the model of the preliminary input parameters, and comparing the prediction calculation result with the measured data in the step S1.
As an embodiment, the method for correcting is as follows: and modifying parameters in the model according to the verified comparison result until the error between the predicted value and the actually measured data is less than or equal to 1dB (A).
As a specific implementation case, the method for controlling noise of the water injection pump room comprises the following steps:
step S1, performing site investigation, namely testing the noise inside the water injection pump room by adopting a grid distribution method, and testing the exposure sound level of worker working contact by adopting a tracking method to obtain the noise data of the water injection pump room;
step S2, the noise data of the water injection pump room obtained in the step S1 is sorted and analyzed to obtain the current noise situation;
step S3 includes:
s31, judging whether the noise value meets the occupational health requirement;
if not, go to step S32; if yes, go to step S33;
step S32, determining a corresponding superscalar according to occupational health requirements, and designing a first noise reduction scheme;
step S321, predicting and analyzing the noise reduction effect of the first noise reduction scheme, and judging whether the occupational health requirement is met;
if yes, go to step S33;
if not, go to step S32;
step S33, judging whether the noise value meets the factory boundary noise emission standard;
if yes, finishing;
if not, go to step S34;
step S34, determining a corresponding prediction superscalar according to the emission standard of the noise factory boundary, and designing a second noise reduction scheme;
step S341, predicting and analyzing the noise reduction effect of the second noise reduction scheme, and judging whether the noise reduction effect meets the emission standard of the noise factory boundary;
if yes, finishing;
if not, step S34 is executed.
Compared with the closest prior art, the technical scheme provided by the invention has the following excellent effects:
1. the noise control method for the water injection pump room is reasonable and comprehensive in design flow, systematically solves a plurality of problems needing to be considered in noise control of the water injection pump room of an oil field, and ensures that the problems of noise factory discharge and occupational health are solved at one time;
2. the invention adopts the design sequence from inside to outside, gives priority to the problem of occupational health, evaluates and solves the problem of factory noise emission on the basis of solving the problem of occupational health, and ensures that noise reduction measures are simplified and effective;
3. the invention adopts professional indoor acoustic simulation prediction analysis software and outdoor acoustic simulation prediction analysis software to carry out prediction analysis, establishes a main noise source module and a building module, is tightly combined with the actual situation on site, greatly improves the progress and the precision of the prediction analysis, and provides correct guidance for establishing a scientific and effective noise control design scheme.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. Wherein:
fig. 1 is a flowchart of a water injection pump room noise control method according to an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
Examples
The invention relates to a noise control method for a water injection pump room, which comprises the following steps:
step S1, testing the noise inside the water injection pump room by adopting a grid distribution method, and testing the exposure sound level of staff working contact by adopting a tracking method to obtain the noise data of the water injection pump room;
step S2, the noise data of the water injection pump room obtained in the step S1 is sorted and analyzed to obtain the current noise situation;
step S3, judging whether the noise value meets the factory boundary environmental noise emission standard and occupational health requirements;
if yes, finishing;
if not, determining the corresponding superscalar, and designing a noise reduction scheme.
The control method adopts a grid point arrangement method to test the noise inside the water injection pump room and a tracking method to test the exposure sound level of working contact of staff, combines the grid point arrangement method and the tracking method to obtain the noise data in the water injection pump room, is convenient to accurately grasp the real noise current situation, and provides a powerful basis for pertinently providing a scheme for controlling the noise.
The tracking method of the invention refers to tracking and monitoring the noise data on the route in real time according to the actual working route of the staff, for example, the noise data is monitored and recorded in real time at a plurality of position points or in the whole route according to the routing inspection or maintenance execution route of the staff.
As an embodiment, the method for controlling noise of a water injection pump room comprises a step of collating and analyzing the obtained noise data, wherein the collating and analyzing comprises: and (3) arranging the noise value in the water injection pump room obtained by adopting the grid point arrangement method on a plane arrangement diagram of the water injection pump room, and drawing a sound map in the water injection pump room.
The control method for drawing the sound map in the water injection pump room has the following beneficial effects that:
1. if the exposure sound level (including the inspection exposure sound level in an actual working scene) of the working contact of the staff exceeds the standard, the contribution of the noise area to the exposure sound level is judged according to the length of the stay time of the inspection route and the inspection point, and the contribution of each area is different in size, so that the noise source can be diagnosed accurately, and measures can be taken pertinently;
2. when partial area in the water injection pump room needs to be overhauled, an area with less harm to staff can be selected according to the sound map, and the health damage to the staff is reduced.
As an embodiment, step S1 specifically includes:
the method comprises the steps of carrying out site investigation, testing the noise inside a water injection pump room by adopting a grid point distribution method, distributing points around a water injection pump unit in the water injection pump room to test the noise value of equipment, testing the exposed sound level of inspection and inspection contact of workers by adopting a tracking method aiming at occupational health, and arranging noise measurement points in a row at the outer part of a factory building and the boundary wall of the factory building to test the noise outside the factory building and the noise of the factory building.
In one embodiment, in step S1, the noise meter is used to test the noise values of the plant boundaries corresponding to the water injection pump unit, the water pump room, the duty room and the water injection pump room, and determine the emission standard and the occupational health requirement of the noise plant boundary executed in the area.
In particular, a real-time signal analyzer is adopted as a sound level meter to carry out testing in the implementation process.
As an embodiment, the step S2 classifies the obtained noise data of the flooding pumping room into equipment noise, occupational health, in-plant noise, out-of-plant noise, and plant-wide noise.
It should be noted that the noise of the equipment in the invention is the noise values of different positions around the equipment, the occupational health is the noise of the inspection path and the equipment inspection and maintenance position, the factory noise is the noise of the corresponding factory boundary of the water injection pump room, and the noise outside the factory boundary is the noise outside the water injection pump room.
The device noise in the invention generally refers to noise emitted by the device itself (mainly a water injection pump unit in the embodiment), and the noise in the plant includes reverberation caused by the device noise and the back and forth reflection of the device noise in the plant.
As an embodiment, the step S2 includes: and (4) the noise data obtained in the step (S1) is sorted, the noise spectrum characteristic is analyzed, and the current noise situation of the main sound source of the water injection pump room is analyzed.
In combination with the above technical content, as an embodiment, the step S2 specifically includes the following steps:
step S21, classifying the obtained noise data of the water injection pump room into equipment noise, occupational health, noise inside a factory building, noise outside the factory building and noise in the factory;
step S22, exposure sound of the staff working contact (including contact in the routing inspection route) of the test
Comparing the level and factory boundary noise values with national standard values executed in the area where the water injection pump room is located, and analyzing the current situations of noise of a maintenance area, a duty room and a factory boundary between water pumps of the water injection pump room;
step S23, comparing the noise value inside the plant with the noise value outside the plant, and evaluating the sound insulation of the wall and the door and window of the water injection pump room;
step S24, arranging the noise value inside the water injection pump room on the gridding divided plane of the water injection pump room
And drawing a sound map in the water injection pump room on the layout map.
The water injection pump room noise control method combines and analyzes the technical means of measuring the exposure sound level by using the tracking method and measuring and drawing the sound map in the water injection pump room by using the grid method, is convenient for pertinently adopting noise control, and has accurate and effective control.
Further, the step S3 includes analyzing the noise spectrum characteristics and selecting the noise reduction material from a preset database of noise reduction materials (the preset database includes parameters such as specification and model of the noise reduction material) for the device noise when designing the noise reduction scheme.
As an embodiment, one third octave is selected for analyzing the noise spectral characteristics, the analysis frequency is in the audible range of human ears, and the analysis is more accurate by adopting one third octave.
As an embodiment, if step S3 determines that at least the noise value fails to meet the occupational health requirement, a corresponding superscalar is determined according to the occupational health requirement, and a first noise reduction scheme is established.
Further, as a preferred embodiment, the step S3 includes building a three-dimensional simulation calculation model for the first noise reduction scheme, and predicting and analyzing the noise reduction effect of the first noise reduction scheme.
Further, as an embodiment, the method for predicting and analyzing the noise reduction effect of the first noise reduction scheme includes: according to parameters including field devices and room overall dimensions, a Raynoise software is adopted to establish a three-dimensional simulation calculation model, a first sound source parameter is input, verification and correction are carried out, after the model is available, noise reduction measures are added to the model, and calculation and prediction are carried out.
Specifically, the model of the first noise reduction scheme of the present invention is an indoor model, and the first sound source parameter includes an equipment noise value and an external dimension.
Further, the step S3 continues the first noise reduction scheme formulation according to the noise reduction effect of the first noise reduction scheme of the predictive analysis, so as to revise the first noise reduction scheme.
Further, if the noise value after the step S3 predictive analysis of the first noise reduction scheme does not meet the occupational health requirement, the first noise reduction scheme is continuously executed, and noise reduction measures are added on the basis of the first noise reduction scheme.
Specifically, in an embodiment of the present invention, on the basis of the first noise reduction scheme, the added noise reduction measures are one or a combination of several of plugging of a sound leakage point and increasing sound insulation of a door window or a wall.
As an embodiment, the step S3 is to determine whether the noise value meets the occupational health requirement, and if so, complete the process; if not, determining the corresponding superscalar according to the emission standard of the noise factory boundary, and making a second noise reduction scheme.
In one embodiment, the step S3 builds a three-dimensional simulation calculation model for the second noise reduction scheme, and predicts and analyzes the noise reduction effect of the second noise reduction scheme.
As an embodiment, the method for predicting and analyzing the noise reduction effect of the second noise reduction scheme includes: according to parameters including the overall dimensions of a factory building, a door, a window and a ventilation opening, Cadna/A or SoundPLAN software is adopted to establish a three-dimensional simulation calculation model, second sound source parameters are input, verification and correction are carried out, after the model is available, noise reduction measures are added to the model, and calculation and prediction are carried out.
Specifically, the model of the second noise reduction scheme of the present invention is an outdoor model, and the second sound source parameters include equivalent noise of plant internal noise, plant external noise and plant boundary noise, and a physical dimension.
As an embodiment, the method for verifying is as follows: and performing prediction calculation on the model of the preliminary input parameters, and comparing the prediction calculation result with the measured data in the step S1.
As an embodiment, the method for correcting is as follows: and modifying parameters in the model according to the verified comparison result until the error between the predicted value and the actually measured data is less than or equal to 1dB (A).
The Cadna/A or SoundPLAN software is noise simulation and control software which is based on an ISO9613 standard method in Germany and takes WINDOWS as an operating platform, and can be widely applied to the work of prediction, evaluation, engineering design and research of various noise sources, urban noise planning and the like, wherein the work comprises industrial facilities, roads and railways, airports and other noise equipment. The software interface input adopts a mode of directly scanning an electronic map or a graph, the defined graph proportion is set as required, objects which are influenced by radiation and propagation of a noise source can be defined, an output file graph is compiled according to a standard calculation result, and a noise contour map and a color noise distribution graph are displayed.
By adopting the software, the noise values radiated by the water injection pump unit (main equipment in the water injection pump room) through the door and window, the ventilation opening and the factory building wall can be simulated and calculated, so that the door and window, the ventilation opening and the factory building wall can be conveniently and accurately judged, and the noise reduction measures are respectively and correspondingly required to be taken, and the specific decibel reduction is required. In addition, the specific effect which can be achieved after the noise reduction measures are taken can be predicted.
Referring to fig. 1, as a specific implementation flow example, the method for controlling noise of a water injection pump room includes the following steps:
step S1, performing site investigation, namely testing the noise inside the water injection pump room by adopting a grid distribution method, and testing the exposure sound level of worker working contact by adopting a tracking method to obtain the noise data of the water injection pump room;
step S2, the noise data of the water injection pump room obtained in the step S1 are sorted and analyzed to obtain the current noise situation;
step S3 includes:
s31, judging whether the noise value meets the occupational health requirement;
if not, go to step S32; if yes, go to step S33;
step S32, determining a corresponding superscalar according to occupational health requirements, and designing a first noise reduction scheme;
step S321, predicting and analyzing the noise reduction effect of the first noise reduction scheme, and judging whether the occupational health requirement is met;
if yes, go to step S33;
if not, go to step S32;
step S33, judging whether the noise value meets the factory boundary noise emission standard;
if yes, finishing;
if not, go to step S34;
step S34, determining a corresponding prediction superscalar according to the emission standard of the noise factory boundary, and designing a second noise reduction scheme;
step S341, predicting and analyzing the noise reduction effect of the second noise reduction scheme, and judging whether the noise reduction effect meets the emission standard of the noise factory boundary;
if yes, finishing;
if not, step S34 is executed.
In the above flow, more specific embodiments of step S2 have been described in the foregoing, and are not described herein again.
The technical scheme provided by the invention has the following excellent effects:
1. the noise control method for the water injection pump room is reasonable and comprehensive in design flow, systematically solves a plurality of problems needing to be considered in noise control of the water injection pump room of an oil field, and ensures that the problems of noise factory discharge and occupational health are solved at one time;
2. the invention adopts the design sequence from inside to outside, gives priority to the problem of occupational health, evaluates and solves the problem of factory noise emission on the basis of solving the problem of occupational health, and ensures that noise reduction measures are simplified and effective;
3. the invention adopts professional indoor acoustic simulation prediction analysis software and outdoor acoustic simulation prediction analysis software to carry out prediction analysis, establishes a main noise source module and a building module, is tightly combined with the actual situation on site, greatly improves the progress and the precision of the prediction analysis, and provides correct guidance for establishing a scientific and effective noise control design scheme.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The method for controlling the noise of the water injection pump room is characterized by comprising the following steps of:
step S1, testing the noise inside the water injection pump room by adopting a grid distribution method, and testing the exposure sound level of staff working contact by adopting a tracking method to obtain the noise data of the water injection pump room;
step S2, the noise data of the water injection pump room obtained in the step S1 is sorted and analyzed to obtain the current noise situation;
step S3, judging whether the noise value meets the factory boundary environmental noise emission standard and occupational health requirements;
if yes, finishing;
if not, determining the corresponding superscalar, and designing a noise reduction scheme.
2. The method for controlling noise of a water injection pump house according to claim 1, wherein the step S2 classifies the obtained noise data of the water injection pump house into equipment noise, occupational health, in-plant noise, out-of-plant noise, and factory noise.
3. The water injection pump house noise control method according to claim 2, wherein the step S2 includes:
step S21, classifying the obtained noise data of the water injection pump room into equipment noise, occupational health, noise inside a factory building, noise outside the factory building and factory boundary noise;
step S22, comparing the exposure sound level and the factory noise value of the working contact of the tested staff with the national standard value of the area where the water injection pump house is located;
step S23, comparing the noise value inside the plant with the noise value outside the plant, and evaluating the sound insulation of the wall and the door and window of the water injection pump room;
and step S24, arranging the noise value inside the water injection pump room on a floor plan map divided by the water injection pump room in a gridding manner, and drawing a sound map in the water injection pump room.
4. The water injection pump house noise control method according to claim 3, wherein the step S3 includes: when the noise reduction scheme is designed, aiming at the equipment noise, analyzing the noise spectrum characteristics and selecting the noise reduction material from a preset database of the noise reduction material.
5. The water injection pump room noise control method according to any one of claims 1 to 4, wherein if it is determined in step S3 that at least the noise value does not meet occupational health requirements, a corresponding superscalar is determined according to the occupational health requirements, and a first noise reduction scheme is established.
6. The water injection pump house noise control method according to claim 5, wherein the step S3 includes: aiming at the first noise reduction scheme, establishing a three-dimensional simulation calculation model, and predicting and analyzing the noise reduction effect of the first noise reduction scheme;
preferably, a three-dimensional simulation calculation model is established according to parameters including field devices and room overall dimensions, a first sound source parameter is input for verification and correction, after the model is available, noise reduction measures are added to the model, and a prediction result is calculated;
if the prediction result meets the occupational health requirement executed in the area where the water injection pump room is located, taking the noise reduction measure as a first noise reduction scheme; otherwise, adjusting the noise reduction measure until the corresponding prediction result meets the occupational health requirement executed in the area where the water injection pump house is located.
7. The water injection pump house noise control method according to claim 6, wherein the step S3 includes: after the noise value meets the occupational health requirement, judging whether the noise value meets the emission standard of a noise factory boundary, if so, finishing; if not, determining the corresponding superscalar according to the emission standard of the noise factory boundary, and making a second noise reduction scheme.
8. The water injection pump house noise control method according to claim 7, wherein the step S3 includes: and aiming at the second noise reduction scheme, establishing a three-dimensional simulation calculation model, and predicting and analyzing the noise reduction effect of the second noise reduction scheme.
9. The water injection pump house noise control method of claim 8, wherein the predictive analysis of the noise reduction effect of the second noise reduction scheme in step S3 comprises: establishing a three-dimensional simulation calculation model according to parameters including the overall dimensions of a factory building, a door, a window and a ventilation opening, inputting second sound source parameters, verifying and correcting, adding noise reduction measures in the model after the model is available, and calculating a prediction result;
if the emission standard meets the factory discharge standard executed in the area where the water injection pump room is located, taking the noise reduction measure as a second noise reduction scheme; otherwise, adjusting the noise reduction measure until the corresponding prediction result meets the factory discharge standard executed in the area where the water injection pump room is located.
10. The water injection pump house noise control method according to any one of claims 1 to 4, wherein the step S3 includes:
s31, judging whether the noise value meets the occupational health requirement;
if not, go to step S32; if yes, go to step S33;
step S32, determining a corresponding superscalar according to occupational health requirements, and designing a first noise reduction scheme;
step S321, predicting and analyzing the noise reduction effect of the first noise reduction scheme, and judging whether the occupational health requirement is met;
if yes, go to step S33;
if not, go to step S32;
step S33, judging whether the noise value meets the factory boundary noise emission standard;
if yes, finishing;
if not, go to step S34;
step S34, determining a corresponding prediction superscalar according to the emission standard of the noise factory boundary, and designing a second noise reduction scheme;
step S341, predicting and analyzing the noise reduction effect of the second noise reduction scheme, and judging whether the noise reduction effect meets the emission standard of the noise factory boundary;
if yes, finishing;
if not, step S34 is executed.
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