CN215004860U - Online monitoring system of multi-parameter raise dust value - Google Patents
Online monitoring system of multi-parameter raise dust value Download PDFInfo
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- CN215004860U CN215004860U CN202120897413.XU CN202120897413U CN215004860U CN 215004860 U CN215004860 U CN 215004860U CN 202120897413 U CN202120897413 U CN 202120897413U CN 215004860 U CN215004860 U CN 215004860U
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Abstract
The utility model discloses an on-line monitoring system of multi-parameter dust raising value, which comprises a common pipe, a valve device, a dust detector, an air sampling pump and at least two collecting heads, wherein each collecting head is respectively used for collecting dust; the inlet of the common pipe is respectively communicated with the outlet of each collecting head; the valve device is arranged at the joint of the common pipe and each collecting head so as to control the collecting heads to be alternately communicated with the common pipe; one end of the dust detector is communicated with the outlet of the common pipe, and the other end of the dust detector is communicated with the air sampling pump; the utility model provides an online dust monitoring system based on light scattering method among the prior art need install many sets of monitoring facilities because of the dust value of monitoring different particle diameters, lead to equipment fixing cost height, maintain that to consume greatly, the space occupies big technical problem, realized that the part is few, simple structure, purchase and maintenance cost are low, save installation space's beneficial effect.
Description
Technical Field
The utility model relates to an environmental monitoring technical field especially relates to the on-line monitoring system of multi-parameter raise dust value.
Background
Dust (dusting) refers to solid particles suspended in air, and the international organization for standardization specifies that a solid suspension with a particle size of less than 75 μm is defined as dust. Dust is a natural enemy of human health in life and work, and is a major cause of various diseases.
Dust monitoring systems can monitor dust concentration in real time, and often require monitoring of different types of dust emission data, such as TSP (Total Suspended Particulate), PM2.5 (Particulate matter with an aerodynamic equivalent diameter of 2.5 microns or less), PM10 (Particulate matter with a particle size of 10 microns or less).
Light scattering methods are often used for on-line dust monitoring, and different air cutting heads and matched flow control are required for different types of dust light scattering. Therefore, in order to monitor dust values of different types, a user needs to install a plurality of sets of monitoring equipment, and the problems of high equipment installation cost, large maintenance consumption, large occupied space and the like are caused.
Therefore, the above prior art has at least the following technical problems: in the prior art, an online dust monitoring system based on a light scattering method needs to be provided with a plurality of sets of monitoring equipment for monitoring dust values of different types, so that the equipment is high in installation cost, large in maintenance consumption and large in occupied space.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides an on-line monitoring system of multi-parameter raise dust value, and solves the technical problems that in the prior art, because of monitoring dust values of different types, a plurality of sets of monitoring equipment are required to be installed in an on-line dust monitoring system based on a light scattering method, the equipment installation cost is high, the maintenance consumption is large, and the space occupation is large.
In order to solve the above problem, an embodiment of the present application provides an online monitoring system for a multi-parameter raise dust value, where the online monitoring system includes:
the at least two collecting heads are respectively used for collecting dust with different particle sizes;
the inlet of the common pipe is communicated with the outlet of each collecting head respectively;
the valve device is arranged at the joint of the common pipe and each collecting head so as to control the collecting heads to be alternately communicated with the common pipe;
one end of the dust detector is communicated with the outlet of the common pipe;
and the air sampling pump is communicated with the other end of the dust detector.
Further, the online monitoring system further includes:
a housing having an interior cavity, wherein the common tube, the valve arrangement, the dust detector, and the air sampling pump are all located within the interior cavity; the outlet of the collecting head is positioned in the inner cavity, and the inlet of the collecting head is exposed out of the shell.
Further, the valve device includes:
the at least two valves are arranged on the collecting head one by one;
and one side of the connecting pipe is respectively communicated with the outlet of the collecting head, and the other side of the connecting pipe is communicated with the inlet of the common pipe.
Further, the on-line monitoring system comprises three pick heads, and the inlets of two of the pick heads are respectively provided with a first air cutting head.
Further, the connecting pipe is perpendicular to each collecting head.
Furthermore, the collecting heads are arranged at equal intervals along the connecting pipe, and the collecting heads are arranged along the radial direction of the connecting pipe and are communicated with the connecting pipe.
Further, the inlet of the common pipe is communicated with the middle of the connecting pipe along the axial direction, and the common pipe is arranged along the radial direction of the connecting pipe and is communicated with the connecting pipe.
Furthermore, the valve device is a multi-way ball valve, the multi-way ball valve at least comprises three ports, and each port is respectively communicated with an outlet of the collecting head and an inlet of the common pipe;
the flow rate of the air sampling pump is adjustable and can be controlled by a program.
Further, the online monitoring system comprises two collecting heads, and a second air cutting head is connected to one of the collecting heads.
Further, the valve device is a three-way ball valve, and ports of the three-way ball valve are respectively communicated with outlets of the two collecting heads and an inlet of the common pipe.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
(1) the embodiment of the application is provided with a common pipe, a valve device, a dust detector, an air sampling pump and at least two collecting heads, wherein each collecting head is respectively used for collecting different types of dust, the valve device is arranged at the joint of the common pipe and each collecting head to control the collecting heads to be alternately communicated with the common pipe, when the dust concentration of a certain type needs to be detected, the valve device is adjusted to ensure that the collecting heads used for collecting the dust concentration of the type are communicated with the common pipe, the dust of the type finally enters the dust detector for concentration detection under the power action of the air sampling pump, only one set of detection equipment and a plurality of collecting heads need to be arranged in the embodiment of the application, and the problem that an online dust monitoring system based on a light scattering method in the prior art monitors different types of dust values is solved, the technical problems of high equipment installation cost, large maintenance consumption and large occupied space caused by the fact that a plurality of sets of monitoring equipment are required to be installed are solved, and the beneficial effects of few parts, simple structure, low purchasing and maintenance cost and installation space saving are achieved.
(2) The online monitoring system in the embodiment further simplifies the structure, so that the installation space is smaller, and the gas path is simple and easy to clean.
Drawings
FIG. 1 is a schematic structural diagram of an online monitoring system for multi-parameter dust emission values according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of another online monitoring system for multi-parameter dust emission values in an embodiment of the present application.
Detailed Description
The embodiment of the application provides an on-line monitoring system of multi-parameter raise dust value, and solves the technical problems that in the prior art, because of monitoring dust values of different types, a plurality of sets of monitoring equipment are required to be installed in an on-line dust monitoring system based on a light scattering method, the equipment installation cost is high, the maintenance consumption is large, and the space occupation is large.
In order to solve the technical problems, the general idea of the embodiment of the application is as follows:
the embodiment of the application is provided with a common pipe, a valve device, a dust detector, an air sampling pump and at least two collecting heads, wherein each collecting head is respectively used for collecting different types of dust, the valve device is arranged at the joint of the common pipe and each collecting head to control the collecting heads to be alternately communicated with the common pipe, when the dust concentration of a certain type needs to be detected, the valve device is adjusted to ensure that the collecting heads used for collecting the dust concentration of the type are communicated with the common pipe, the dust of the type finally enters the dust detector for concentration detection under the power action of the air sampling pump, only one set of detection equipment and a plurality of collecting heads need to be arranged, the problem that an online dust monitoring system based on a light scattering method in the prior art needs to install a plurality of sets of monitoring equipment due to the monitoring of the dust values of different types is solved, the technical problems of high equipment installation cost, large maintenance consumption and large occupied space are solved, and the beneficial effects of fewer parts, simple structure, low purchasing and maintenance cost and installation space saving are achieved.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Example one
Fig. 1 is an on-line monitoring system for multi-parameter dust emission values according to an embodiment of the present disclosure, as shown in fig. 1, the on-line monitoring system includes a common pipe 150, a valve device, a dust detector 160, an air sampling pump 170, and at least two collecting heads 120.
The pick heads 120 are each a pick port for collecting dust, and can be used to collect different types of dust, for example, when there are three pick heads 120 in the online monitoring system, they can be used to collect TSP, PM2.5, and PM10, respectively. The inlet of the common conduit 150 communicates with the outlet of each pick head 120. The valve means is disposed at the junction of the common conduit with each of the pick heads 120 to control the alternate communication of the pick heads 120 with the common conduit 150. One end of the dust detector 160 is communicated with the outlet of the common pipe 150, and the other end of the dust detector 160 is communicated with the air sampling pump 170.
Specifically, the dust detector 160 is a light scattering dust detector for detecting the dust concentration. The air sampling pump 170 is powered to force air from the pick head 120 into the common tube 150 and thus into the dust detector 160 for concentration detection.
The embodiment of the application is provided with a common pipe 150, a valve device, a dust detector 160, an air sampling pump 170 and at least two collecting heads 120, wherein each collecting head 120 is respectively used for collecting different types of dust, the valve device is arranged at the joint of the common pipe and each collecting head 120 to control the collecting heads 120 to be alternately communicated with the common pipe 150, when certain type of dust concentration needs to be detected, the valve device is adjusted to enable the collecting heads 120 used for collecting the type of dust concentration to be communicated with the common pipe 150, the type of dust finally enters the dust detector 160 for concentration detection under the power action of the air sampling pump 170, only one set of detection equipment (namely the dust detector 160) and a plurality of collecting heads 120 need to be arranged in the embodiment of the application, and the problem that an online dust monitoring system based on a light scattering method in the prior art monitors different types of dust values is solved, the technical problems of high equipment installation cost, large maintenance consumption and large occupied space caused by the fact that a plurality of sets of monitoring equipment are required to be installed are solved, and the beneficial effects of few parts, simple structure, low purchasing and maintenance cost and installation space saving are achieved.
In this embodiment, the online monitoring system includes three pick heads 120, and the inlets of two of the pick heads 120 are respectively equipped with first air cutting heads 121, 122 (also called particulate matter samplers, particulate matter cutters) for separating and collecting dust with corresponding particle sizes, for example, adjusting the air cutting head to PM2.5 gear is used for collecting particulate matter with aerodynamic equivalent diameter less than or equal to 2.5 microns. In this embodiment, the first air cutting head 121 is used for collecting PM2.5 samples; the other first air cutting head 122 is used to collect a sample of PM10 and since the TCP values contain dust of all particle sizes, the other pick head 120 does not require the first air cutting heads 121, 122 to be mounted.
Specifically, in this embodiment, the valve device includes three valves 130 and a connecting tube 140, one valve 130 is disposed on each collecting head 120, and the valves 130 are ball valves. The connecting tubes 140 are respectively connected at one side to the outlets of the pick heads 120 and at the other side to the inlets of the common tubes 150.
The pick heads 120 are equally spaced along the connecting tube 140, and the pick heads 120 are radially disposed along and in communication with the connecting tube 140. The inlet of the common pipe 150 communicates with the middle of the connection pipe 140 in the axial direction, and the common pipe 150 is disposed in the radial direction of the connection pipe 140 and communicates with the connection pipe 140.
The online monitoring system further comprises a housing 110, the housing 110 having an interior cavity, wherein the common tube 150, the valve arrangement, the dust detector 160, and the air sampling pump 170 are all located within the interior cavity; the outlet of the pick head 120 is positioned within the interior cavity and the inlet of the pick head 120 is exposed to the housing 110.
This application embodiment the on-line monitoring system adopts different gas circuit cooperations to correspond to the raise dust of different particle sizes first air cutting head 121, 122 carry out the collection of sample, and the system during operation keeps another one to open through closing arbitrary two in the ball valve and then can carry out the collection of the raise dust data that corresponds with it. In addition, each ball valve of the embodiment of the application can be provided with a controller for automatic control.
Example two
The difference between this embodiment and the first embodiment is: the valve arrangement is not identical in construction and the air sampling pump 170 is an adjustable flow air sampling pump.
The monitoring system that this application embodiment provided the valving is the ball valve that leads to more, the ball valve that leads to more includes three port at least, and each port respectively with the delivery head 120 the entry intercommunication of public pipe 150, the flow of air sampling pump 170 is adjustable.
Specifically, the online monitoring system of this embodiment includes two pick heads 120, and one of the pick heads 120 is connected to a second air cutting head 123, and the other pick head 120 is not provided with an air cutting head. The valve device is a three-way ball valve 180, and three ports of the three-way ball valve 180 are respectively communicated with the outlets of the two collecting heads 120 and the inlet of the common pipe 150.
When air needs to be cut, the three-way ball valve 180 is adjusted, the collecting head 120 provided with the second air cutting head 123 is communicated with the common pipe 150, and according to the particle size of dust needing to be collected, the gear of the second air cutting head 123 and the flow of the air sampling pump 170 are adjusted, so that the measurement of the dust concentration of the corresponding particle size can be performed, for example, when a PM2.5 concentration value is collected, the flow of the air sampling pump 170 is reduced, and when a PM10 concentration value 170 is collected, the flow of the air sampling pump 170 is increased.
When the TSP value needs to be collected, the three-way ball valve 180 is adjusted, the collecting head 120 without the air cutting head is communicated with the common pipe 150, the flow of the air sampling pump 170 is adjusted, and the concentration of the TSP can be detected.
The online monitoring system in the embodiment further simplifies the structure, so that the installation space is smaller, and the gas path is simple and easy to clean.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages:
(1) the embodiment of the application is provided with a common pipe 150, a valve device, a dust detector 160, an air sampling pump 170 and at least two collecting heads 120, wherein each collecting head 120 is respectively used for collecting different types of dust, the valve device is arranged at the joint of the common pipe and each collecting head 120 to control the collecting heads 120 to be alternately communicated with the common pipe 150, when certain type of dust concentration needs to be detected, the valve device is adjusted to enable the collecting heads 120 used for collecting the type of dust concentration to be communicated with the common pipe 150, so that the type of dust finally enters the dust detector 160 for concentration detection under the power action of the air sampling pump 170, only one set of detection equipment and a plurality of collecting heads 120 need to be arranged in the embodiment of the application, and the problem that an online dust monitoring system based on a light scattering method in the prior art monitors different types of dust values is solved, the technical problems of high equipment installation cost, large maintenance consumption and large occupied space caused by the fact that a plurality of sets of monitoring equipment are required to be installed are solved, and the beneficial effects of few parts, simple structure, low purchasing and maintenance cost and installation space saving are achieved.
(2) The online monitoring system in the embodiment further simplifies the structure, so that the installation space is smaller, and the gas path is simple and easy to clean.
It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element may be termed a second element, and, similarly, a second element may be termed a first element, without departing from the scope of example embodiments.
The terms of orientation, outer, intermediate, inner, etc., as referred to or as may be referred to in the specification are defined relative to the configuration shown in the drawings, and are relative terms, and thus may be changed according to the position and the use state of the structure. Therefore, these and other directional terms should not be construed as limiting terms.
While the foregoing is directed to the preferred embodiment of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. Those skilled in the art can make various changes, modifications and equivalent arrangements to those skilled in the art without departing from the spirit and scope of the present application; moreover, any equivalent alterations, modifications and variations of the above-described embodiments according to the spirit and techniques of this application are intended to be within the scope of the claims of this application.
Claims (10)
1. An on-line monitoring system for multi-parameter dust emission values, the on-line monitoring system comprising:
the at least two collecting heads are respectively used for collecting dust with different particle sizes;
the inlet of the common pipe is communicated with the outlet of each collecting head respectively;
the valve device is arranged at the joint of the common pipe and each collecting head so as to control the collecting heads to be alternately communicated with the common pipe;
one end of the dust detector is communicated with the outlet of the common pipe;
and the air sampling pump is communicated with the other end of the dust detector.
2. The on-line monitoring system of multi-parameter dusting values of claim 1, characterized in that it further comprises:
a housing having an interior cavity, wherein the common tube, the valve arrangement, the dust detector, and the air sampling pump are all located within the interior cavity; the outlet of the collecting head is positioned in the inner cavity, and the inlet of the collecting head is exposed out of the shell.
3. The system for on-line monitoring of multi-parameter dusting values of claim 1, wherein the valve means comprises:
the at least two valves are arranged on the collecting head one by one;
and one side of the connecting pipe is respectively communicated with the outlet of the collecting head, and the other side of the connecting pipe is communicated with the inlet of the common pipe.
4. A multi-parameter dusting value on-line monitoring system as claimed in claim 3 wherein said on-line monitoring system comprises three pick heads and wherein the inlets of two of said pick heads are each fitted with a first air cutting head.
5. The system for online monitoring of multiparameter dust values of claim 4, wherein the connecting tube is perpendicular to each pick head.
6. An on-line multi-parameter dusting value monitoring system according to claim 5 wherein each pick head is equally spaced along the connecting tube and wherein the pick heads are radially disposed along the connecting tube and communicate with the connecting tube.
7. The multi-parameter dust emission value on-line monitoring system according to claim 3, wherein the inlet of the common pipe is communicated with the middle of the connection pipe in the axial direction, and the common pipe is arranged along the radial direction of the connection pipe and is communicated with the connection pipe.
8. The system for on-line monitoring of multi-parameter dusting values of claim 1 wherein said valve means is a multi-way ball valve, said multi-way ball valve comprising at least three ports, each port being in communication with an outlet of the pick head and an inlet of said common pipe, respectively; the air sampling pump is an air sampling pump with adjustable flow.
9. An on-line multi-parameter dusting value monitoring system according to claim 8 characterised in that it comprises two pick heads and a second air cutting head is connected to one of the pick heads.
10. An on-line multi-parameter dusting value monitoring system according to claim 9 wherein the valve means is a three-way ball valve having ports communicating with the outlets of the two pick heads and the inlet of the common pipe, respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120897413.XU CN215004860U (en) | 2021-04-28 | 2021-04-28 | Online monitoring system of multi-parameter raise dust value |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120897413.XU CN215004860U (en) | 2021-04-28 | 2021-04-28 | Online monitoring system of multi-parameter raise dust value |
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| CN215004860U true CN215004860U (en) | 2021-12-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114955169A (en) * | 2022-05-24 | 2022-08-30 | 科赛乐科技(上海)有限公司 | Filling type multi-dust sampling box and dust monitoring equipment using same |
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2021
- 2021-04-28 CN CN202120897413.XU patent/CN215004860U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114955169A (en) * | 2022-05-24 | 2022-08-30 | 科赛乐科技(上海)有限公司 | Filling type multi-dust sampling box and dust monitoring equipment using same |
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