CN219104852U - Efficiency monitoring system for adsorption method industrial organic waste gas treatment facility - Google Patents
Efficiency monitoring system for adsorption method industrial organic waste gas treatment facility Download PDFInfo
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- CN219104852U CN219104852U CN202223019730.5U CN202223019730U CN219104852U CN 219104852 U CN219104852 U CN 219104852U CN 202223019730 U CN202223019730 U CN 202223019730U CN 219104852 U CN219104852 U CN 219104852U
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Abstract
The utility model relates to the field of waste gas treatment equipment monitoring, and provides an adsorption method industrial organic waste gas treatment facility efficiency monitoring system, which comprises a monitoring box, an inlet sampling device and an outlet sampling device, wherein the inlet sampling device is connected with the monitoring box; the detection equipment is respectively connected with the inlet sampling device and the outlet sampling device; the monitoring box comprises a shell, a first gas transmission pipeline and a second gas transmission pipeline are distributed in the shell, and the first gas transmission pipeline is connected with a sampling hole of the inlet sampling device; the second gas transmission pipeline is connected with a sampling hole of the outlet sampling device; the inlet sampling device is also provided with an air return hole and a wind speed and flow rate detection hole, and a wind speed sensor and a flow rate sensor are fixed in the wind speed and flow rate detection hole; the first gas transmission pipeline and the second gas transmission pipeline are respectively connected with the differential pressure sensor, and the first gas transmission pipeline and the second gas transmission pipeline are respectively connected with the air chamber, the VOC sensor and the temperature and humidity sensor; the on-line real-time monitoring of the running condition of the organic waste gas treatment facility is realized.
Description
Technical Field
The utility model belongs to the technical field of waste gas treatment equipment monitoring, and particularly relates to an adsorption method industrial organic waste gas treatment facility efficiency monitoring system.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The VOC of industrial organic waste gas is an important air pollution index for important control in environmental protection departments, is a precursor for ozone generation, and the excessive emission of the VOC can seriously affect the ecological environment. The adsorption method industrial organic waste gas treatment facility is a VOC treatment scheme which is most widely applied in China at present and is suitable for most small and medium-sized VOC emission enterprises, the national aspect also has clear technical specification requirements, but the compliance of the industrial organic waste gas treatment facility is usually checked on site only in the newly-built environment-friendly acceptance stage of the enterprises, and an effective on-line monitoring means is lacked for whether the treatment facility operates according to the specification requirements in the production process of the enterprises.
At present, the emission standard is formulated for the VOC gas emission of enterprises, countries and places, the supervision means is mainly to detect whether the emission exceeds the standard through VOC on-line monitoring instruments, the VOC on-line monitoring equipment approved by the national standard at present adopts FID detectors, the precision is very high, but the selling price is different from hundreds of thousands to hundreds of thousands, and the VOC on-line monitoring equipment cannot be popularized in small and medium-sized sewage enterprises. The VOC on-line monitoring equipment adopting the PID sensor has larger difference between the precision and the FID, more monitoring values are used as early warning references, the whole equipment is over tens of thousands yuan, the burden of middle and small sewage enterprises is still heavier, and the popularization is difficult.
The VOC emission standard is a "minimum requirement" of regulation and is also the highest red line of enterprise emissions, and once out of regulation will face law or violation. Under the condition that the tail end emission does not exceed the standard, the operating efficiency of the pollution control facility is not up to standard, and if the operating efficiency of the pollution control facility can be ensured to meet the national regulation requirement, the enterprise emission is further reduced, and great contribution is made to the prevention of the atmospheric pollution.
The existing efficiency monitoring to the waste gas treatment facilities can be completed by adopting the mutual matching of various instruments and equipment, the complex connection and the large construction difficulty among various equipment are caused by the large number of instruments and equipment, and the monitoring precision is reduced due to the difference among the equipment.
Disclosure of Invention
In order to solve the problems, the utility model provides an efficiency monitoring system for an industrial organic waste gas treatment facility by an adsorption method, and the utility model integrates three types of equipment, namely a traditional VOC on-line monitoring instrument, a temperature and pressure flow and other working condition parameter instrument and an environment-friendly data acquisition instrument, into a box body, thereby simplifying the connection complexity and construction difficulty between the equipment and realizing the comprehensive monitoring function of the operation efficiency of the treatment facility.
According to some embodiments, the utility model provides an adsorption method industrial organic waste gas treatment facility efficiency monitoring system, which adopts the following technical scheme:
an adsorption method industrial organic waste gas treatment facility efficiency monitoring system comprises a monitoring box, an inlet sampling device and an outlet sampling device; the detection equipment is respectively connected with the inlet sampling device and the outlet sampling device;
the monitoring box comprises a shell, a first gas transmission pipeline and a second gas transmission pipeline are distributed in the shell, and the first gas transmission pipeline is connected with a sampling hole of the inlet sampling device; the second gas transmission pipeline is connected with a sampling hole of the outlet sampling device; the inlet sampling device is also provided with an air return hole and a wind speed and flow rate detection hole, and a wind speed sensor and a flow rate sensor are fixed in the wind speed and flow rate detection hole;
the outlet side of the first gas transmission pipeline and the outlet side of the second gas transmission pipeline are respectively connected with a differential pressure sensor, and the inlet end of the first gas transmission pipeline and the inlet end of the second gas transmission pipeline are respectively connected with the air chamber, the VOC sensor and the temperature and humidity sensor; the air chamber is connected with the VOC sensor and the temperature and humidity sensor through a sampling pump and an electromagnetic valve which are sequentially connected with an air return hole on the inlet sampling device.
Further, the first gas transmission pipeline, the second gas transmission pipeline, the air chamber, the VOC sensor, the temperature and humidity sensor, the sampling pump and the electromagnetic valve inside the monitoring box are all in a sealing design, so that gas leakage is prevented in the process of waste gas transmission.
Further, a controller is fixed in the shell of the monitoring box, a touch display screen is also fixed on the shell, and the touch display screen is electrically connected with the controller.
Further, the controller comprises a communication module and a microprocessor module, wherein the microprocessor module is in wireless communication with an upper computer through the communication module, and the upper computer transmits data collected by the monitoring box to the enterprise-side efficiency monitoring system.
Further, the inlet sampling device is communicated with an inlet pipeline of the activated carbon adsorption box of the on-site monitoring equipment through an air duct and an electric wire.
Further, the outlet sampling device is communicated with an outlet pipeline of the activated carbon adsorption box of the on-site monitoring equipment through an air duct and an electric wire.
Further, the monitoring box further comprises a current and voltage sampling device, and the current and voltage sampling device is connected with a desorption fan of the on-site monitoring equipment through an electric wire.
Further, the current and voltage sampling device is also connected with an adsorption fan of the on-site monitoring equipment through an electric wire.
Further, the first gas transmission pipeline comprises a first electromagnetic valve and a first gas pipeline tee joint which are sequentially connected; the first electromagnetic valve and the air chamber are connected with the VOC sensor and the temperature and humidity sensor; the first air passage tee joint is connected with the differential pressure sensor.
Further, the second gas transmission pipeline comprises a second electromagnetic valve and a second gas path tee joint which are sequentially connected; the second electromagnetic valve and the air chamber are connected with the VOC sensor and the temperature and humidity sensor; the second gas path tee joint is connected with the differential pressure sensor.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model integrates the traditional VOC on-line monitoring instrument, the temperature and pressure flow and other working condition parameter instrument and the environment-friendly data acquisition instrument into one box body, realizes the comprehensive monitoring function of the operation efficiency of the treatment facility, saves the equipment cost and simplifies the connection complexity and the construction difficulty between the equipment; therefore, the current situation that the traditional technology can only monitor the terminal emission through the monitoring equipment adopting the sensor with higher precision, and the terminal emission monitoring needs to strive for accurate data to lead to higher equipment price and difficult popularization in small and medium enterprises is changed.
The utility model adopts a double-gas-path design, integrates and seals the detection of the gas inlet and the gas outlet of the waste gas treatment facility in a monitoring box, and various sensors are also sealed and arranged in the box, and only gas exchange is carried out through the gas inlet and the gas outlet of the gas chamber, thereby not only ensuring that the monitoring is not influenced by external environment, but also simplifying the connection complexity between various traditional devices.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a schematic diagram of an equipment gas circuit of an adsorption industrial organic waste gas treatment facility efficiency monitoring system in an embodiment of the utility model;
FIG. 2 is a schematic diagram of a device circuit of an adsorption industrial organic waste gas treatment facility performance monitoring system according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of an installation of equipment on site of an adsorption industrial organic waste gas treatment facility performance monitoring system in accordance with an embodiment of the present utility model;
FIG. 4 is a schematic diagram showing the overall measurement of an adsorption industrial organic waste gas treatment facility performance monitoring system according to an embodiment of the present utility model.
The specific embodiment is as follows:
the utility model will be further described with reference to the drawings and examples.
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
In the present utility model, terms such as "fixedly attached," "connected," "coupled," and the like are to be construed broadly and refer to either a fixed connection or an integral or removable connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in the present utility model can be determined according to circumstances by a person skilled in the relevant art or the art, and is not to be construed as limiting the present utility model.
Examples
As shown in fig. 1, the embodiment provides an adsorption industrial organic waste gas treatment facility efficiency monitoring system, which comprises a monitoring box, an inlet sampling device and an outlet sampling device; the detection equipment is respectively connected with the inlet sampling device and the outlet sampling device;
the monitoring box comprises a shell, a first gas transmission pipeline and a second gas transmission pipeline are distributed in the shell, and the first gas transmission pipeline is connected with a sampling hole of the inlet sampling device; the second gas transmission pipeline is connected with a sampling hole of the outlet sampling device; the inlet sampling device is also provided with an air return hole and a wind speed and flow rate detection hole, and a wind speed sensor and a flow rate sensor are fixed in the wind speed and flow rate detection hole;
the outlet side of the first gas transmission pipeline and the outlet side of the second gas transmission pipeline are respectively connected with a differential pressure sensor, and the inlet end of the first gas transmission pipeline and the inlet end of the second gas transmission pipeline are respectively connected with the air chamber, the VOC sensor and the temperature and humidity sensor; the air chamber is connected with the VOC sensor and the temperature and humidity sensor through a sampling pump and an electromagnetic valve which are sequentially connected with an air return hole on the inlet sampling device.
The first gas transmission pipeline, the second gas transmission pipeline, the gas chamber, the VOC sensor, the temperature and humidity sensor, the sampling pump and the electromagnetic valve inside the monitoring box are all in a sealing design, so that gas leakage is prevented in the waste gas transmission process.
The monitoring box comprises a shell, a controller, a touch display screen and a controller, wherein the controller is fixed in the shell of the monitoring box, the touch display screen is further fixed on the shell, and the touch display screen is electrically connected with the controller.
The controller comprises a communication module and a microprocessor module, wherein the microprocessor module is in wireless communication with an upper computer through the communication module, and the upper computer transmits data acquired by the monitoring box to the enterprise-side efficiency monitoring system.
The inlet sampling device is communicated with an inlet pipeline of an activated carbon adsorption box of the on-site monitoring equipment through an air duct and an electric wire. The outlet sampling device is communicated with an outlet pipeline of the activated carbon adsorption box of the on-site monitoring equipment through an air duct and an electric wire.
The monitoring box further comprises a current and voltage sampling device, and the current and voltage sampling device is connected with a desorption fan of the on-site monitoring equipment through an electric wire. The current and voltage sampling device is also connected with an adsorption fan of the on-site monitoring equipment through an electric wire.
Specifically, as shown in fig. 4, the operation efficiency monitoring system of the enterprise pollution control facility is a software system, and the B/S architecture is generally deployed on an internet cloud server, can be deployed in a local area network, is mainly used for displaying, inquiring, analyzing, early warning and other functions of monitoring data, has multi-level user authority management, and is suitable for the service management requirements of an ecological environment department on-line monitoring system. It should be noted that, the existing treatment process for the operation efficiency is adopted for the treatment process of the enterprise-side monitoring system, but the improvement of the procedure is not involved in the embodiment, and the focus of the embodiment is on the collection and transmission of the exhaust emission.
The implementation data receiving software (upper computer software) is a receiving software system for the data landing of the Internet of things equipment, supports multiple concurrency, and supports the data storage of a time sequence database and a relational database. The cloud terminal is generally deployed on an Internet cloud server, and can be deployed in a local area network. And operating a set of database system together with the upper-layer enterprise pollution control facility operation efficiency monitoring system. The application to the upper computer is also the application to the upper computer in the prior art, and the improvement of the internal processing program of the upper computer is not related.
The equipment installed at the site end of the enterprise is equipment for monitoring the operation efficiency of the pollution control facility by an adsorption method, and the whole equipment adopts an integrated box body design. The monitoring equipment is characterized in that a set of sensors such as an internal pressure difference, an inlet and outlet VOC concentration, a temperature and humidity and a three-phase alternating current energy metering chip are arranged outside each complete activated carbon adsorption box body, the sensors are arranged inside the same box body, the wind speed and the wind discharge quantity are external sensors, the sensors are required to be perforated on a flue and are arranged in the flue, and a power supply and data line are connected inside the box body. The current of the adsorption induced draft fan and the current of the desorption induced draft fan are measured and collected on the power supply lines by using an opening type current transformer, and the voltage is directly connected to the terminal of the measuring chip.
The monitoring equipment is provided with a touch screen and a data storage unit, a central microprocessor collects all sensor data on site, then stores the sensor data, displays the sensor data on the touch screen, and then reports real-time data receiving software uniformly. Meanwhile, the central control and operation module is responsible for sending control signals to complete gas circuit switching and measurement behaviors. The data reporting can all adopt NBIOT, 4G or 5G communication chips, and data transmission is carried out through protocols such as mqtt or HJ 212. It should be noted that, the storage of the sensor data and the display of the touch screen by the central microprocessor are all performed by adopting the prior art, and the improvement of the specific program is not involved.
FIG. 3 is a schematic structural diagram of a complete set of industrial organic waste gas treatment facilities by adsorption. The black dots are specific positions where the gas circuit sampling device and the current and voltage sampling device of the system described in the patent are required to be installed. The gas circuit sampling device needs a gas guide pipe and a wire to be connected with efficiency monitoring equipment (hereinafter referred to as field end monitoring equipment) of the pollution control facility by an adsorption method, and the current and voltage sampling device only needs the wire to be connected with the field end monitoring equipment. The field end monitoring equipment is fixed at a proper position which is convenient for electricity taking and gas circuit connection by using a floor bracket or a hanging bracket.
As shown in fig. 1, the device is an independent box structure, and the structure is connected with the sampling device and the external sensor. The box body is mainly divided into two parts, wherein one part is a data communication, display and control part. The communication module is included, wherein the communication chip of the data reporting module can adopt NBIOT, 4G or 5G, and communicates with cloud real-time data receiving software (an upper computer system) through mqtt protocol or HJ212 and other protocols. The system also comprises a touch display screen and a central control and operation module, wherein the touch display screen runs an embedded interface interaction system and mainly completes functions of displaying real-time data of all monitoring devices on site, inquiring historical data, configuring parameters and the like. The central control module runs control and data interaction programs to complete control of all electric control equipment (pumps and valves) of the measurement part and data interaction and reading work of all sensors, and is also responsible for floor storage of data on a local storage chip.
The other part is a measuring part, and the air chamber, the VOC sensor and the temperature and humidity sensor adopt a sealing design and exchange air only through an air inlet and an air outlet of the air chamber. The VOC sensor can use a PID sensor, an electrochemical sensor or a semiconductor sensor, and the temperature and humidity sensor is used for measuring environmental parameters and participates in temperature and humidity compensation operation of the measured value of the VOC sensor. As the detected gas has untreated industrial waste gas, all the components from the sampling hole end to the inside of the device, such as sensors, pumps, valves and the like, adopt a full-flow airtight design, and no exhaust port or leakage point exists between the gas and the outside air.
The sampling device needs to be provided with 3 holes on an inlet air duct of the activated carbon box, the A, B holes need to be sealed when the air passage is led out, and the C holes need to be sealed after being used for installing an inserted wind speed and flow sensor, and the wind speed sensor can be a leather-tutor type or a thermosensitive wind speed sensor. Wherein, the A hole is used for collecting an untreated gas sample, and the B hole is used for returning the detected sample gas into the pipeline. And a sampling hole D is needed to be drilled on the outlet air duct of the activated carbon box and sealing treatment is carried out, so that a treated gas sample is extracted.
It should be noted that the main purpose of the arrangement of three holes on the inlet duct is that hole a is used for air extraction, and holes B Kong Huiqi and C are used for inserting an anemometer. The three holes are all sealed, so that the sealing is realized by matching with accessories such as flange air guide pipes.
And (3) punching a hole at the air outlet of the activated carbon box, extracting the treated gas, detecting the B passing through the inlet, and discharging the gas back to the flue. The two position holes are mainly used for sampling and inserting the probe, and no complex equipment and parts exist.
The connection relation of the gas paths of the whole measuring device is shown by the arrow in the figure, and the arrow is the gas flowing direction. The operating logic of the measuring device and the air path control device is shown in table 1 below:
TABLE 1 operation logic of adsorption process industrial organic waste gas treatment facility effectiveness monitoring system
The circuit connection relation of the equipment is shown in fig. 2, the central control module is the core of equipment control and data storage, and the central control module is respectively connected with the touch display screen and the communication module and is used for data communication. The sampling pump and the electromagnetic valve are connected by control signals or power supply, and various sensors and the three-phase alternating current energy metering chip are connected by signal lines to acquire data. The wind speed and displacement sensor is an external sensor and is connected with the equipment case through a signal wire. The open-type transformer is used for measuring power supply lines of the adsorption induced draft fan and the desorption induced draft fan and is connected with a three-phase alternating current energy metering chip response interface in the case through wires.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
While the foregoing description of the embodiments of the present utility model has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the utility model, but rather, it is intended to cover all modifications or variations within the scope of the utility model as defined by the claims of the present utility model.
Claims (10)
1. The utility model provides an adsorption method industrial organic waste gas treatment facility efficiency monitoring system which is characterized by comprising a monitoring box, an inlet sampling device and an outlet sampling device; the monitoring box is respectively connected with the inlet sampling device and the outlet sampling device;
the monitoring box comprises a shell, a first gas transmission pipeline and a second gas transmission pipeline are distributed in the shell, and the first gas transmission pipeline is connected with a sampling hole of the inlet sampling device; the second gas transmission pipeline is connected with a sampling hole of the outlet sampling device; the inlet sampling device is also provided with an air return hole and a wind speed and flow rate detection hole, and a wind speed sensor and a flow rate sensor are fixed in the wind speed and flow rate detection hole;
the outlet side of the first gas transmission pipeline and the outlet side of the second gas transmission pipeline are respectively connected with a differential pressure sensor, and the inlet end of the first gas transmission pipeline and the inlet end of the second gas transmission pipeline are respectively connected with the air chamber, the VOC sensor and the temperature and humidity sensor; the air chamber is connected with the VOC sensor and the temperature and humidity sensor through a sampling pump and an electromagnetic valve which are sequentially connected with an air return hole on the inlet sampling device.
2. The system for monitoring the efficiency of an industrial organic waste gas treatment facility by an adsorption method according to claim 1, wherein the first gas transmission pipeline, the second gas transmission pipeline, the gas chamber, the VOC sensor, the temperature and humidity sensor, the sampling pump and the electromagnetic valve in the monitoring box are all in a sealing design so as to prevent gas leakage in the waste gas transmission process.
3. The system for monitoring the efficiency of an adsorption industrial organic waste gas treatment facility according to claim 1, wherein a controller is fixed in a shell of the monitoring box, a touch display screen is further fixed on the shell, and the touch display screen is electrically connected with the controller.
4. The system for monitoring the performance of an adsorption industrial organic waste gas treatment facility according to claim 3, wherein the controller comprises a communication module and a microprocessor module, the microprocessor module is in wireless communication with an upper computer through the communication module, and the upper computer transmits data collected by the monitoring box to the enterprise performance monitoring system.
5. The system for monitoring the efficiency of an adsorption industrial organic waste gas treatment facility according to claim 1, wherein the inlet sampling device is communicated with an inlet pipeline of an activated carbon adsorption box of the on-site monitoring equipment through an air duct and an electric wire.
6. The system for monitoring the efficiency of an adsorption industrial organic waste gas treatment facility according to claim 1, wherein the outlet sampling device is communicated with an outlet pipeline of an activated carbon adsorption tank of the on-site monitoring equipment through an air duct and an electric wire.
7. The system for monitoring the effectiveness of an industrial organic waste gas treatment facility by an adsorption method according to claim 1, wherein the monitoring box further comprises a current and voltage sampling device, and the current and voltage sampling device is connected with a desorption fan of on-site monitoring equipment through an electric wire.
8. The system for monitoring the efficiency of an adsorption industrial organic waste gas treatment facility according to claim 7, wherein the current and voltage sampling device is further connected with an adsorption fan of the on-site monitoring equipment through an electric wire.
9. The system for monitoring the efficiency of an adsorption industrial organic waste gas treatment facility according to claim 1, wherein the first gas transmission pipeline comprises a first electromagnetic valve and a first gas pipeline tee joint which are connected in sequence; the first electromagnetic valve and the air chamber are connected with the VOC sensor and the temperature and humidity sensor; the first air passage tee joint is connected with the differential pressure sensor.
10. The system for monitoring the efficiency of an adsorption industrial organic waste gas treatment facility according to claim 1, wherein the second gas transmission pipeline comprises a second electromagnetic valve and a second gas path tee joint which are connected in sequence; the second electromagnetic valve and the air chamber are connected with the VOC sensor and the temperature and humidity sensor; the second gas path tee joint is connected with the differential pressure sensor.
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