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Title:
AN INTEGRATED AMBIENT AIR QUALITY SYSTEM
Document Type and Number:
WIPO Patent Application WO/2016/147098
Kind Code:
A1
Abstract:
Exemplary embodiment of the present disclosure is directed towards an integrated system for monitoring ambient air quality. The integrated system includes a respirable dust air sampler, a high volume air sampler, a first suction brush less blower, a fine dust air sampler, a gaseous sampler, a second suction brush less blower, a weather station, a general packet radio service unit and a monitoring unit. The monitoring unit used to monitor the speed of the ambient air, direction of the ambient air, ambient temperature, relative humidity, respirable dust air sampler, differential pressure of the respirable dust air sampler, high volume sampler flow rate, differential pressure of the high volume sampler, fine dust air sampler flow rate, fine dust air sampler filter temperature and latitude and longitude of the ambient air through a data logging unit

Inventors:
SADASIVAN SURESH KUMAR (IN)
Application Number:
PCT/IB2016/051423
Publication Date:
September 22, 2016
Filing Date:
March 12, 2016
Export Citation:
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Assignee:
KOTHA SURYA (IN)
International Classes:
G01N33/00; F24F11/00
Domestic Patent References:
WO2002063294A22002-08-15
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Claims:
CLAIMS:

1. An integrated electronic system for monitoring ambient air quality, comprising: a respirable dust air sampler configured with cyclone attachment to measure the pollutant concentrations upto 10 micron size through a corresponding respirable dust air sampler filter paper at a set sampling flow rate, whereby the respirable dust sampler filter paper incorporated within the respirable dust air sampler separates the pollutant concentrations from the received ambient air; and retain the pollutant concentrations upto 10 micron size; a high volume air sampler configured to measure the pollutant concentrations in the ambient air through a filter paper at a predetermined high sampling flow rate, whereby the large filter paper incorporated within the high volume air sampler separates the pollutant concentrations from the ambient air; and determine the extent of pollution at a particular location. a first suction brush less blower coupled with an alternating current motor for sucking the sampled ambient air from the first environmental air sampler; and the high volume air sampler to push out the sampled air; a fine dust air sampler configured to measure the pollutant concentrations upto 2.5 micron size through a corresponding fine dust air sampler filter paper at a set sampling flow rate, whereby the fine dust air sampler filter paper incorporated within the fine dust air sampler for separating the pollutant concentrations from the received ambient air; and retain the dust concentrations smaller than 2.5 micron size; a gaseous sampler coupled to the fine dust air sampler to analyze the pollutant concentrations in the ambient air at an actuated ambient pressure; and temperature conditions over an actual sampling time; a volatile organic compounds configured to determine non-aerated samples from the ambient air for measuring of volatile organic compounds; and a second suction brush less blower coupled with the alternating current motor for sucking of sampled ambient air from the second environmental air sampler; the gaseous sampler; and volatile organic compounds sampler to push out the sampled air; a weather station configured to detect at least one of: relative humidity; air temperature; wind speed; and wind direction of the ambient atmosphere; a general packet radio service unit configured to detect latitude; and longitude ambient air; a monitoring unit configured to monitor at least one of the: speed of the ambient air; direction of the ambient air; ambient temperature; relative humidity; respirable dust sampler flow rate; differential pressure of the respirable dust sampler; high volume sampler flow rate; differential pressure of the high volume sampler; fine dust air sampler flow rate; fine dust air sampler filter temperature; and latitude and longitude of the ambient air through a data logging unit.

2. The integrated system of claim 1, wherein an electronic control module controls the operations of at least one of: respirable dust sampler; high volume air sampler; fine dust air sampler; and the volatile organic compounds.

3. The integrated system of claim 1, wherein a gaseous sampler coupled to the fine dust air sampler for monitoring gaseous and pollutants in the ambient air to analyze the inorganic gases provided for regulation of monitoring the ambient air.

4. The integrated system of claim 1, wherein the monitoring unit enabled to compute the sampling flow rate at actual ambient pressure; and temperature conditions over the actual sampling run time.

5. The integrated system of claim 1, wherein a time totalizer unit configured to indicate the true time of sampled ambient air based on the operating conditions of at least one of: the first suction brush less blower; and second suction brush less blower.

6. The integrated system of claim 1, wherein the monitoring unit enabled to monitor the respirable dust sampler for analyzing the respirable dust sampler flow rate; and respirable dust sampler differential pressure of the received ambient air.

7. The integrated system of claim 1, wherein the monitoring unit enabled to monitor the fine dust air sampler for analyzing the fine dust air sampler flow rate and the second environmental air sampler differential pressure of the received ambient air.

8. The integrated system of claim 1, wherein the electronic control module controls the operations of: the first suction brush less blower; and second suction brush less blower for restoring the sampling parameters in the case of power interruptions.

9. The integrated system of claim 1, wherein the monitoring unit enable to display the various parameters of the ambient sampled air through a communication with the electronic control module.

10. The integrated system of claim 1, wherein a rota-meter coupled with adnustable manifold for adjusting the required flow rate of the ambient air.

11. The integrated system of claim 1, wherein two velocity sensors configured to measure the flow rate of sampling air.

12. The integrated system of claim 1, wherein the ambient air sampled at the fine dust air sampler transmitted to the gaseous sampler; and the second suction brush less blower with the predetermined flow rate.

Description:
AN INTEGRATED AMBIENT AIR QUALITY SYSTEM

TECHNICAL FIELD

[001] The present disclosure generally relates to a field of ambient air quality monitoring systems. More particularly the present disclosure relates to an integrated ambient air quality monitoring system.

BACKGROUND

[002] Generally, the ambient air quality monitoring system instrument are used in the different locations of industries to measure the pollutant concentrations dispersed from industries. The typical approach to provide satisfactory ambient air quality level in the specified locations or residential places is to measure pollutants emitting either from the industries, vehicular emissions or any other sources of emissions. The ambient air quality will be in the form of either gaseous or particulate, the particulate measurement to be conducted by gravimetric technique and gaseous pollutions to be measured by either absorption and or adsorption techniques. The measured values are then compared with safe or recommended National Ambient Air Quality Monitoring (NAAQM) guidelines specified as per MoEF . However, to measure this requires complex set of instruments with skilled persons.

[003] In the light of aforementioned discussion there exists a need of an integrated ambient air quality system.

BRIEF SUMMARY

[004] The following presents a simplified summary of the disclosure in order to provide a basic understanding to the reader. This summary is not an extensive overview of the disclosure and it does not identify key/critical elements of the disclosure or delineate the scope of the disclosure. Its sole purpose is to present some concepts disclosed herein in a simplified form as a prelude to the more detailed description that is presented later. [005] A more complete appreciation of the present disclosure and the scope thereof can be obtained from the accompanying drawings which are briefly summarized below and the following detailed description of the presently preferred embodiments.

[006] Exemplary embodiments of the present disclosure are directed towards an integrated ambient air quality monitoring equipment. According to a first aspect, the integrated system includes a respirable dust air sampler with cyclone attachment configured to measure the pollutant concentrations upto 10 micron size through a corresponding respirable dust air sampler filter paper at a set sampling flow rate of 1.2 to 1.6 m3/minute. The respirable dust air sampler filter paper incorporated within the respirable dust air sampler separates the pollutant concentrations from the received ambient air and retain the pollutant concentrations upto 10 micron size (0 - 10μ).

[007] According to the first aspect, the integrated system includes a high volume air sampler configured to measure the pollutant concentrations in the ambient air through a filter paper at a set flow rate of 1.2 to 1.6 m3/minute as respirable dust sampler but without cyclone separator configured to measure the pollutant concentrations upto 40 micron size.. The filter paper incorporated within the high volume air sampler separates the pollutant concentrations from the ambient air and determine the extent of pollution at that particular location. .

[008] According to the first aspect, the integrated system includes a first suction brush less blower coupled with an alternating current motor for sucking the sampled ambient air from the respirable dust sampler and the high volume air sampler to push out the sampled air.

[009] According to the first aspect, the integrated system includes a fine dust air sampler configured to measure the pollutant concentrations upto 2.5 micron size (o - 2.5μ) through a corresponding fine dust air sampler filter paper at a set sampling flow rate of 16.7 liters per minute. The fine dust air sampler filter paper incorporated within the second fine dust air sampler for separating the pollutant concentrations from the received ambient air and retaining the dust concentrations smaller than 2.5 micron size.

[0010] According to the first aspect, the integrated system includes a gaseous sampler (impinger box containing 4 impingers) coupled to the fine dust air sampler to analyze the gaseous pollutants in the ambient air at an actuated ambient pressure and temperature conditions over an actual sampling time.

[0011] According to the first aspect, the integrated system includes a volatile organic compounds sampling facility as per the approved international methods with the flow rate of 0.5 litere per minute.

[0012] According to the first aspect, the integrated system includes a second suction brush less blower coupled with the alternating current motor for sucking of sampled ambient air from the fine dust air sampler, the gaseous sampler and volatile organic compounds to push out the sampled air. The ambient air sampled at the fine dust air sampler transmitted to the gaseous sampler and the second suction brush less blower with the set flow rate.

[0013] According to the first aspect, the integrated system includes a weather station configured to detect air temperature, relative humidity, and wind speed and wind direction of the ambient atmosphere. .

[0014] According to the first aspect, the integrated system includes a general packet radio service unit configured to detect latitude and longitude of ambient air.

[0015] According to the first aspect, the integrated system includes a monitoring unit configured to monitor at least wind speed, wind direction, temperature, relative humidity, respirable dust air sampler flow rate, differential pressure of the respirable dust air sampler, high volume sampler flow rate, differential pressure of the high volume sampler, fine dust air sampler flow rate, fine dust air sampler filter temperature and latitude and longitude through a data logging unit. The monitoring unit enabled to compute the sampling flow rate at actual ambient pressure and temperature conditions over the actual sampling run time. The monitoring unit enabled to monitor the respirable dust air sampler for analyzing the respirable air sampler flow rate and the respirable dust air sampler differential pressure of the received ambient air. The monitoring unit enabled to monitor the fine dust air sampler for analyzing the fine dust air sampler flow rate and the fine dust air sampler differential pressure of the received ambient air. The monitoring unit enables to display the various parameters of the ambient sampled air through a communication with the electronic control module. [0016] According to the first aspect, the integrated system includes an electronic control module controls the operations of at least one of respirable dust air sampler, high volume air sampler, fine dust air sampler and the volatile organic compounds. The electronic control module controls the operations of the first suction brush less blower and second suction brush less blower for restoring the sampling parameters in the case of power interruptions.

[0017] According to the first aspect, the integrated system includes a gaseous sampler coupled to the fine dust air sampler for monitoring gaseous pollutants in the ambient air to analyze the inorganic gases provided for regulation of monitoring the ambient air.

[0018] According to the first aspect, the integrated system includes a time totalizer unit configured to indicate the true time of sampled ambient air based on the operating conditions of at least one of the first suction brush less blower and second suction brush less blower.

[0019] According to the first aspect, the integrated system includes a rotameter coupled with adjustable manifold for adjusting the required flow rate of the ambient air.

[0020] According to the first aspect, the integrated system includes two velocity sensors configured to measure the flow rate of sampling air very accurately. .

BRIEF DESCRIPTION OF DRAWINGS

[0021] Other objects and advantages of the present disclosure will become apparent to those skilled in the art upon reading the following detailed description of the preferred embodiments, in conjunction with the accompanying drawings, wherein like reference numerals have been used to designate like elements, and wherein:

[0022] FIG. 1 illustrates a block diagram of an integrated ambient air quality system.

[0023] FIG. 2 illustrates a diagram depicting an assembly of ambient air sampling unit.

[0024] FIG. 3 illustrates a diagram depicting an assembly of a PM2.5 environmental air sampler. [0025] FIG. 4 illustrates a diagram depicting an assembly of a PM10 environmental air sampler.

DETAIL DESCRIPTION

[0026] It is to be understood that the present disclosure is not limited in its application to the details of construction and the arrangement of components set forth in the following description or illustrated in the drawings. The present disclosure is capable of other embodiments and of being practiced or of being carried out in various ways. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting.

[0027] The use of "including", "comprising" or "having" and variations thereof herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. The terms "a" and "an" herein do not denote a limitation of quantity, but rather denote the presence of at least one of the referenced item. Further, the use of terms "first", "second", and "third", and the like, herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.

[0028] Figure 1 illustrates a block diagram 100 of an integrated ambient air quality system. The system 100 includes an respirable dust sampler 102, a high volume air sampler 104, a first suction brush less blower 106, a fine dust air sampler 108, a gaseous sampler 110, an volatile organic compounds 112, a second suction brush less blower 114, and a weather station 120 a general packet radio service unit 122 and a monitoring unit 126. The respirable dust sampler 102 may include but not limited to a particulate matter sampler, suspended particulate matter (SPM) sampler, repairable suspended particle sampler (RSPM) sampler, PM10 environmental air sampler and the like. The respirable dust samplerl02 may be referred as a PM10 environmental air sampler. The respirable dust sampler 102 is configured for separating the pollutant concentrations form the ambient air received from the environment and retain the pollutant concentrations greater than 10 micron size. The pollutant concentrations may include but not limited to ozone (03), nitrogen dioxide (N02), sulfur dioxide (S02) and the like. [0029] As shown in Figure 1, the high volume air sampler 104 is incorporated with a large filter paper for measuring the pollutant concentrations in the ambient air. The pollutant concentrations measured from the ambient air are separated at a set sampling flow rate to determine the extent of pollution and identify the source of emission at regular intervals of time. The first suction brush less blower 106 is coupled to the PM10 environmental air sampler 102 and the high volume air sampler 104 with an altering current motor for sucking the sampled ambient air. Then the sampled ambient air is pushed out to the environment.

[0030] As further shown in Figure 1, the fine dust air sampler 108 may be referred as a PM2.5 environmental air sampler. The PM2.5 environmental air sampler 108 incorporated with a PM2.5 environmental air sampler a filter paper for measuring the pollutant concentrations smaller than 2.5 micron size in the ambient air. The measured pollutant concentrations received from the ambient air are separated and the pollutant concentrations smaller than 2.5 micron size are retained. The PM2.5 environmental air sampler 108 may include but not limited to a particulate matter sampler, suspended particulate matter (SPM) sampler, respirable suspended particle sampler (RSPM) sampler, fine particulate sampler and the like. The ambient air sampled at the PM2.5 environmental air sampler 108 is transmitted to the second suction brush less blower 114 which is coupled with the alternating current motor. The second suction brush less blower 114 is used to suck the sampled ambient air from the PM2.5 environmental air sampler 108 to push out the sampled air to the environment.

[0031] Moreover, as shown in Figure 1, the pushed out sampled air is transmitted to the gaseous sampler 110 directly coupled to the PM2.5 environmental air sampler 108 to analyze the gaseous particles in the sampled air at an actuated ambient pressure and temperature conditions over an actual sampling time. Then the sampled ambient air is transmitted to the volatile organic compounds 112 integrated in the ambient air sampling unit 124 for determining the non-aerated samples in the ambient air for measuring the volatile organic compounds. Though not depicted in Figure 1, the first suction brush less blower 106 and the second suction brush less blower 114 are coupled with a time totalizer unit for indicating the true time of sampled ambient air based on the operating conditions of the first suction brush less blower 106 and the second suction brush less blower 114. [0032] Further, the ambient air sampling unit 124 integrated with the weather station 120 may be comprising with a hydrometer and a temperature sensor configured to detect air temperature, relative humidity, wind state and wind direction and the like without limiting the scope of the disclosure. Further, the ambient air sampling unit 124 communicates with a monitoring unit 126 for monitoring the speed of the ambient air, direction of the ambient air, ambient temperature, relative humidity, PM10 environmental air sampler flow rate, differential pressure of the PM10 environmental air sampler, high volume sampler flow rate, differential pressure of the high volume sampler, PM2.5 environmental air sampler flow rate, PM2.5 environmental air sampler filter temperature, and latitude and longitude of the ambient air through a data logging unit.

[0033] Figure 2 illustrates a diagram 200 depicting an assembly of ambient air sampling unit. The system 200 includes a PM10 environmental air sampler 202, a high volume air sampler 204, a first suction brush less blower 206, a PM2.5 environmental air sampler 208, a gaseous sampler 210, a second suction brush less blower 214, a temperature sensor 216, a weather station 220, velocity sensors 228a and 228b and a cyclone unit cone 230. The PM10 environmental air sampler 202 incorporated with a PM10 environmental air sampler filter paper for separating the pollutant concentrations form the ambient air received from environment and retain the pollutant concentrations greater than 10 micron size. The sampled ambient air then transmitted to the cyclone unit 230 to extract the purified air by removing unwanted particles from the sampled ambient air and further the purified air is transmitted to the first suction brush less blower 206 for pushing out the sampled air into the environment. Though not depicted in Figure 2, an electronic control module communicates with the PM10 environmental air sampler 202 for controlling the operations of the first suction brush less blower 206. The first suction brush less blower 206 further coupled with the high volume air sampler 204, which is incorporated with a large filter paper for measuring the pollutant concentrations in the ambient air and push out the sampled ambient air into the environment. The large filter paper is used to separate the pollutant concentrations measured from the ambient air at a set high sampling flow rate to determine the extent of pollution and identify the source of emission at regular intervals of time. One end of the PM10 environmental air sampler 202 and the high volume air sampler 204 coupled to the velocity sensors 228a and 228b for detecting the change in positions of the PM10 environmental air sampler 202 and the high volume air sampler 204. [0034] As shown in Figure 2, the PM2.5 environmental air sampler 208 is incorporated with a PM2.5 environmental air sampler filter paper for measuring the pollutant concentrations smaller than 2.5 micron size in the ambient air. The PM2.5 environmental air sampler filter paper is used for separating the pollutant concentrations from the received ambient air and retaining the pollutant concentrations smaller than 2.5 micron size. The PM2.5 environmental air sampler 208 further coupled to the temperature sensor 216 for detecting an ambient temperature. The sampled ambient air is transmitted to the gaseous sampler 210 from the fine dust air sampler 208 to analyze the fine particles in the ambient air at an actuated ambient pressure and temperature conditions over an actual sampling time. Then the sampled ambient air is transmitted to the second suction brush less blower 214. Though not depicted in Figure 2, the electronic control module communicates with the PM2.5 environmental air sampler 208 for controlling the operations of the second suction brush less blower 214 and restoring the sampling parameters in the case of power interruptions.

[0035] As further shown in Figure 2, the PM2.5 environmental air sampler 208 further coupled to gaseous sampler for monitoring gaseous and particulate pollutants in the ambient air to analyze the inorganic gases provided for regulation of monitoring the ambient air. The gaseous pollutants may include but not limited to sulfur dioxide (S02), nitrogen dioxide (N02), benzene, carbon dioxide (C02), carbon monoxide (CO) and the like. Though not depicted in Figure 2, a rota-meter coupled to needle valves of the gaseous sampler for adjusting the required flow rate of the ambient air.

[0036] Figure 3 illustrates a diagram 300 depicting an assembly of a PM2.5 environmental air sampler. According to a non limiting exemplary embodiment of the present disclosure, the PM2.5 environmental air sampler 308 is incorporated with a PM2.5 environmental air sampler filter paper for measuring the pollutant concentrations smaller than 2.5 micron size in the ambient air. The PM2.5 environmental air sampler filter paper is used for separating the pollutant concentrations from the received ambient air and retaining the pollutant concentrations smaller than 2.5 micron size. The PM2.5 environmental air sampler 308 further coupled to the temperature sensor 316 for detecting an ambient temperature. The sampled ambient air is transmitted to the gaseous sampler 310 from the PM2.5 environmental air sampler 308 to analyze the fine particles in the ambient air at an actuated ambient pressure and temperature conditions over an actual sampling time. Then the sampled ambient air is transmitted to the second suction brush less blower 314. Though not depicted in Figure 3, the electronic control module communicates with the PM2.5 environmental air sampler 308 for controlling the operations of the second suction brush less blower 314 and restoring the sampling parameters in the case of power interruptions.

[0037] As further shown in Figure 3, the PM2.5 environmental air sampler 308 further coupled to gaseous sampler for monitoring gaseous and particulate pollutants in the ambient air to analyze the inorganic gases provided for regulation of monitoring the ambient air. The gaseous pollutants may include but not limited to sulfur dioxide (S02), nitrogen dioxide (N02), benzene, carbon dioxide (C02), carbon monoxide (CO) and the like. Though not depicted in Figure 3, a rota-meter coupled to needle valves of the gaseous sampler for adjusting the required flow rate of the ambient air.

[0038] Figure 4 illustrates a diagram 400 depicting an assembly of a PM10 environmental air sampler. According to a non limiting exemplary embodiment of the present disclosure, the PM10 environmental air sampler 402 incorporated with a PM10 environmental air sampler filter paper for separating the pollutant concentrations form the ambient air received from environment and retain the pollutant concentrations greater than 10 micron size. The sampled ambient air is then transmitted to the cyclone unit 430 to extract the purified air by removing unwanted particles from the sampled ambient air and further the purified air is transmitted to the first suction brush less blower 406 for pushing out the sampled air into the environment. Though not depicted in Figure 4, an electronic control module communicates with the PM10 environmental air sampler 402 for controlling the operations of the first suction brush less blower 406. The first suction brush less blower 406 further coupled with the high volume air sampler 404, which is incorporated with a large filter paper for measuring the pollutant concentrations in the ambient air and push out the sampled ambient air into the environment. The large filter paper is used to separate the pollutant concentrations measured from the ambient air at a set high sampling flow rate to determine the extent of pollution and identify the source of emission at regular intervals of time. Though not depicted in Figure 4, one end of the PM10 environmental air sampler 402 and the high volume air sampler 404 coupled to the velocity sensors for detecting the change in positions of the PM10 environmental air sampler 402 and the high volume air sampler 404.

[0039] Also, those skilled in the art can appreciate from the foregoing description that the present disclosure can be implemented in the variety of forms. Therefore, while the embodiments of this disclosure have been described in connection with particular examples thereof, the true scope of the embodiments of the disclosure should not be so limited since other modifications will be apparent to the skilled practitioner upon a study of the drawings and following claims.