CN112191043A - Low-cost bag-type dust collector intelligent leakage detection monitoring system - Google Patents
Low-cost bag-type dust collector intelligent leakage detection monitoring system Download PDFInfo
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- 239000000428 dust Substances 0.000 title claims abstract description 62
- 238000012544 monitoring process Methods 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 title claims abstract description 16
- 239000013618 particulate matter Substances 0.000 claims abstract description 53
- 230000008054 signal transmission Effects 0.000 claims abstract description 18
- 239000004744 fabric Substances 0.000 claims abstract description 12
- 230000006855 networking Effects 0.000 claims abstract description 5
- 230000005611 electricity Effects 0.000 claims abstract description 4
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims description 23
- 239000002245 particle Substances 0.000 claims description 18
- 238000004891 communication Methods 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 3
- 238000009792 diffusion process Methods 0.000 abstract description 3
- 238000012216 screening Methods 0.000 abstract description 3
- 230000003068 static effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
- B01D46/0086—Filter condition indicators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
- B01D46/0095—Means acting upon failure of the filtering system, e.g. in case of damage of the filter elements; Failsafes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/38—Investigating fluid-tightness of structures by using light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/075—Investigating concentration of particle suspensions by optical means
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Abstract
The invention discloses an intelligent leakage detection monitoring system of a low-cost bag-type dust collector, which comprises a bag-type dust collector main body, wherein dust-containing gas enters a dust chamber from an air inlet, a bag is arranged in the dust chamber, and dust is collected under the actions of screening, inertia, adhesion, diffusion, static electricity and the like generated when the dust passes through filter cloth. The fixed stop is provided with a plurality of particulate matter concentration acquisition modules, and particulate matter concentration acquisition module gives the MCU module with data transmission, the MCU module is used for reading the dust concentration data that particulate matter concentration acquisition module transmitted, the MCU module passes through signal converter and is connected with 4G signal transmission module, signal converter converts the data of MCU module into the data that 4G signal transmission module can resolve. The 4G signal transmission module is connected with the extension antenna, and the collected particulate matter concentration data are uploaded to the cloud platform, so that a user can use a mobile phone or a computer or other networking terminals to read the particulate matter concentration data on the cloud platform in real time.
Description
Technical Field
The invention relates to the field of air purification, in particular to an intelligent leakage detection monitoring system of a low-cost bag-type dust remover.
Background
Along with the rapid development of national economy, the importance of environmental protection is increasingly prominent. The bag-type dust remover is widely used in the world, and the emission concentration of solid particles of the dust removing system adopting the bag-type dust removing technology is far lower than that of the dust removing system adopting other dust removing technologies.
The main component of the filter system of the bag type dust collector is a cloth bag. In the daily use process, the filter bag can be perforated due to the aging and abrasion of the cloth bag, and leakage can occur. The flue gas filtered by the bag type dust collector can be directly discharged into the atmosphere through a chimney, and if the filter bag of the bag type dust collector leaks, the environment is polluted. A dust chamber may have dozens or even hundreds of filter bags, and when the dust concentration of the air outlet of one chamber or the whole dust collector exceeds the standard, the filter bags of the chamber or the whole dust collector need to be checked. The conventional method for detecting the leakage of the cloth bag comprises the following steps: the differential pressure method detection and the manual observation method of the dust remover are adopted, but the judgment of whether the leakage occurs is low in precision; the method for installing the dust concentration transmitter on the multiple bin bodies can realize accurate diagnosis of filtration, has strong real-time performance, but has huge engineering quantity and high cost; the fluorescent powder method can realize accurate diagnosis of filtration, but has poor real-time performance and small engineering quantity.
Disclosure of Invention
The invention aims to overcome the existing monitoring defects of the prior bag-type dust remover and provides an intelligent leakage detection monitoring system of the low-cost bag-type dust remover. According to the invention, the particle concentration at each bag outlet is monitored by the low-cost particle concentration acquisition module, and the information can be obtained by wirelessly sending data to the equipment terminal through the console, so that an operator can know the normal operation condition of the bag-type dust collector in real time, and if abnormity occurs, the operator can quickly position and overhaul, thereby saving a large amount of manpower and material resources.
In order to achieve the purpose, the technical scheme is that the intelligent leakage detection monitoring system of the bag-type dust collector is characterized in that dust-containing gas enters a dust removing chamber from an air inlet, a bag is arranged in the dust removing chamber, and dust is collected under the actions of screening, inertia, adhesion, diffusion, static electricity and the like generated when the dust passes through filter cloth. Thereby reach the purpose of air-purifying, a plurality of sack are fixed in on the fixed stop, and the gas after the export purification of sack lets in the atmosphere through the air outlet. The fixed baffle is provided with a plurality of particulate matter concentration acquisition modules, and the particulate matter concentration acquisition modules utilize tinyThe scattering principle of the particles to the light forms scattering to the light when the tiny particles pass through the detection hole. And one part of the scattered light passes through the optical axis and is gathered to the photosensitive element through the lens, and the photosensitive element converts the optical signal into an electric signal to be output, so that the concentration of the particles in the detected air is obtained. Particulate matter concentration acquisition module has 4 pins VCC, GND, RXD, TXD, and wherein VCC and GND are the power supply pin, and RXD is UART data receiving port, and TXD is UART data transmitting port for the air quality after the monitoring purifies to this dust collection efficiency who examines the sack, 4 pins of particulate matter concentration acquisition module pass through the air cable and link to each other with equipment control box. The equipment control box is fixed in the dust removal distribution box, a power adapter, an MCU module, a 4G signal transmission module and an extension antenna are arranged in the equipment control box, the power adapter introduces 220V power from the dust removal control box and converts the power into 5V power which respectively supplies power for the MCU module and the 4G signal transmission module, the MCU module is connected with a wire of a particulate matter concentration acquisition module transmitted by an aviation cable, VCC and GND power pins can be directly connected with corresponding interfaces on the MCU module by utilizing DuPont wires, RXD on the particulate matter concentration acquisition module is connected with TXD on the MCU, the TXD on the particulate matter concentration acquisition module is connected with RXD on the MCU to realize data communication, the MCU module is used for reading dust concentration data transmitted by the particulate matter concentration acquisition module, the MCU module is connected with the 4G signal transmission module through a signal converter, the signal converter converts the data of the MCU module into data which can be analyzed by, in order to prevent electrostatic shielding signals in the metal cavity, the 4G signal transmission module is connected with the extension antenna, and the collected particulate matter concentration data is uploaded to the cloud platform, so that a user can use a mobile phone or a computer or other networking terminals to read the particulate matter concentration data on the cloud platform. When the user monitors that the concentration of the particulate matters gradually increases, for example, when the dust concentration measured by a certain particulate matter concentration acquisition module exceeds 30 mu g/m3And reminding workers to go to corresponding sensor positions before to overhaul whether the adjacent cloth bags have problems. The rapid positioning is realized, a large amount of manpower and material resources are saved, and the real-time monitoring is realized.
In order to avoid the dust remover wire casing too much, can cancel the air cable, the inside particulate matter concentration acquisition module of dust remover also can be wireless, can realize the wireless data acquisition of particulate matter concentration based on LORA spread spectrum technique. The particulate matter concentration acquisition module comprises 5V battery, particulate matter sensor, LORA sub-node. Through actual engineering test, LORA wireless transmission data is stable and reliable, supports low-power consumption power saving mode, and battery power supply occasion, a section of 5V battery can work for more than 10 years. 5V battery is particulate matter sensor and the power supply of LORA child node, the particulate matter sensor passes to the LORA child node with the data of gathering the LORA child node passes through the transparent transmission of wireless serial ports UART for the MCU module, and this place MCU module is LORA father's node.
The invention has the beneficial effects that:
the invention realizes real-time intelligent monitoring, can monitor each monitoring point in real time, enables workers to know the dust-containing condition of air particles purified by the bag-type dust remover at any time, can accurately position when air at the air outlet is abnormal, reminds the workers to go to local maintenance, saves a large amount of manpower and material resources, and is economical, practical and good in stability.
Drawings
FIG. 1 is a schematic view of a leak detection monitoring structure of a bag-type dust collector;
fig. 2 is a particulate matter concentration acquisition module floor plan: (a) wired data acquisition (b) wireless data acquisition;
fig. 3 is a block diagram of a wireless transmission system;
FIG. 4 is a schematic diagram of particle concentration wireless data acquisition based on the LORA spread spectrum technology;
reference numerals: 1 air intake, 2 collection dirt funnel, 3 sack, 4 clean rooms, 5 fixed stop, 6 particulate matter concentration acquisition module, 7 air cable, 8 extension antennas, 9 dust removal block terminals, 10 equipment control box, 11 air outlets, 12 power adapter, 13MCU module, 14 communication data converter, 154G signal transmission module, 16 cloud platform, 17 networking terminal
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
example 1:
as shown in fig. 1Dust-containing gas enters a dust removal chamber 4 from an air inlet 1, a cloth bag 3 is arranged in the dust removal chamber 4, and dust is collected under the action of screening, inertia, adhesion, diffusion, static electricity and the like generated when passing through filter cloth. Therefore, the purpose of purifying air is achieved, the cloth bags 3 are fixed on the fixed baffle 5, and the purified air from the cloth bag outlet is introduced into the atmosphere through the air outlet. The fixed baffle 5 is provided with a plurality of particulate matter concentration acquisition modules 6, and the arrangement mode is shown in figure 2. The particulate matter concentration acquisition module 6 utilizes the scattering principle of light by the tiny particulate matter, and forms scattering to the light when the tiny particulate matter passes through the detection hole. And one part of the scattered light passes through the optical axis and is gathered to the photosensitive element through the lens, and the photosensitive element converts the optical signal into an electric signal to be output, so that the concentration of the particles in the detected air is obtained. Particulate matter concentration acquisition module 6 has 4 pins VCC, GND, RXD, TXD, and wherein VCC and GND are the power supply pin, and RXD is the UART data receiving port, and TXD is UART data transmitting port for the air quality after the monitoring purifies to this dust collection efficiency who examines the sack, particulate matter concentration acquisition module's 4 pins pass through air cable 7 and link to each other with equipment control box 10. The equipment control box 10 is fixed in the dedusting distribution box, a power adapter 12 is arranged in the equipment control box 10, an MCU module 13, a communication data converter 14, a 4G signal transmission module 15 and an extension antenna 8 are arranged in the equipment control box 10, the power adapter 12 introduces 220V power from the dedusting distribution box 9 and converts the 220V power into 5V power to respectively supply power to the MCU module 13 and the 4G signal transmission module 15, the MCU module 13 is connected with an electric wire of a particulate matter concentration acquisition module transmitted by an aviation cable, VCC and GND power pins can be directly connected with corresponding interfaces on the MCU module by utilizing a DuPont wire, RXD on the particulate matter concentration acquisition module 6 is connected with TXD on an MCU, the TXD on the particulate matter concentration acquisition module 6 is connected with RXD on the MCU module 13 to realize data communication, the MCU module 13 is used for reading dust concentration data transmitted by the particulate matter concentration acquisition module 6, the MCU module, the signal converter converts the data of the MCU module 13 into data which can be analyzed by the 4G signal transmission module 15, in order to prevent electrostatic shielding signals in the metal cavity, the 4G signal transmission module is connected with the extension antenna 8, and collected particulate matter concentration data are uploaded to cloudThe platform 16, the user can use networking terminal 17 such as cell-phone or computer to read the particulate matter concentration data on the cloud platform. When the user monitors that the concentration of the particulate matters gradually increases, for example, when the dust concentration measured by a certain particulate matter concentration acquisition module exceeds 30 mu g/m3And the staff is reminded to go to correspond to the position of the sensor before to overhaul whether an adjacent cloth bag is out of order, so that the quick positioning is realized, a large amount of manpower and material resources are saved, and the real-time monitoring is realized.
The particulate matter concentration acquisition module can adopt a YW-51GJ dust sensor, the power adapter can adopt a 220 v-to-5 v switching power supply, the MCU module can adopt an STM32F103C8T6 singlechip, the communication data converter can adopt a TTL-to-485 module, and the 4G signal transmission module can adopt a 4G DTU with the model of HD-D603.
Example 2:
in order to avoid the dust remover wire casing too much, can cancel aviation cable 7, the inside particulate matter concentration acquisition module of dust remover also can be wireless, can realize the wireless data acquisition of particulate matter concentration based on LORA spread spectrum technique. As shown in fig. 4, the particulate matter concentration acquisition module 6 is composed of a 5V battery, a particulate matter sensor, and a LORA sub-node. Through actual engineering test, LORA wireless transmission data is stable and reliable, supports low-power consumption power saving mode, and battery power supply occasion, a section of 5V battery can work for more than 10 years. 5V battery is particulate matter sensor and the power supply of LORA child node, the particulate matter sensor passes to the LORA child node with the data of gathering the LORA child node passes through the transparent transmission of wireless serial ports UART for MCU module 13, and MCU module 13 is the LORA father node here.
The 5V battery can adopt the 5V lithium cell that steps up, particulate matter sensor can adopt YW-51GJ dust sensor, LORA child node and LORA father node can adopt the model to be the high-speed low-power consumption high performance LORA wireless module of HD-M805.
The above examples are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (4)
1. The utility model provides a low-cost sack cleaner intelligence leak hunting monitoring system which characterized in that: dirty gas gets into the clean room from the air intake, be equipped with the sack in the clean room, the dust is passed through the filter cloth and is catched, and on a plurality of sacks were fixed in fixed stop, the gas after purifying from the sack export let in the atmosphere through the air outlet, fixed stop is provided with a plurality of particulate matter concentration acquisition modules.
2. The low-cost intelligent leakage detection monitoring system for the bag-type dust collector according to claim 1, which is characterized in that: the particle concentration acquisition module directly uses a particle concentration sensor, when tiny particles pass through a detection hole in the particle concentration sensor, scattering is formed on the light rays, part of the scattered light rays pass through the light axis and are gathered to a photosensitive element through a lens, the photosensitive element converts light signals into electric signals to be output, and therefore the particle concentration in the detected air is obtained, the particle concentration sensor is provided with 4 pins VCC, GND, RXD and TXD, wherein VCC and GND are power supply pins, RXD is a UART data receiving port, TXD is a UART data transmitting port, the 4 pins of the particle concentration acquisition module are connected with an MVU module in an equipment control box through aviation cables, the VCC and GND power supply pins can be directly connected with corresponding interfaces on an MCU module through DuPont wires, wherein RXD on the particle concentration acquisition module is connected with TXD on an MCU, and TXD on the particle concentration acquisition module is connected with R, data communication is realized;
particulate matter concentration acquisition module also can constitute by 5V battery, particulate matter concentration sensor, LORA child node, the 5V battery supplies power for particulate matter sensor and LORA child node, particulate matter sensor gives the LORA child node with the data of gathering, the LORA child node passes through the transparent MCU module of transmitting in the equipment control box of wireless serial ports UART, and this place MCU module is LORA father node.
3. The low-cost intelligent leakage detection monitoring system for the bag-type dust collector according to claim 1, which is characterized in that: in the equipment control box was fixed in the dust removal block terminal, be provided with power adapter in the equipment control box, the MCU module, 4G signal transmission module, the extension antenna, power adapter introduced 220V electricity from the dust removal control box and turned into 5V and be MCU module and 4G signal transmission module power supply respectively, the MCU module is used for reading the dust concentration data that particulate matter concentration acquisition module passed, the MCU module passes through signal converter and is connected with 4G signal transmission module, signal converter converts the data of MCU module into the data that 4G signal transmission module can resolve, in order to prevent at the metal intracavity electrostatic shield signal, the extension antenna is connected to 4G signal transmission module, reaches the cloud platform on the particulate matter concentration data that will collect, realizes intelligent leak detection monitoring.
4. The low-cost intelligent leakage detection monitoring system for the bag-type dust collector according to claim 1, is characterized in that: when the intelligent leakage detection monitoring is performed, a user can use the networking terminal to read the particulate matter concentration data on the cloud platform.
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| CN202011125320.1A CN112191043A (en) | 2020-10-20 | 2020-10-20 | Low-cost bag-type dust collector intelligent leakage detection monitoring system |
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| CN202011125320.1A CN112191043A (en) | 2020-10-20 | 2020-10-20 | Low-cost bag-type dust collector intelligent leakage detection monitoring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113041727A (en) * | 2021-03-25 | 2021-06-29 | 包头钢铁（集团）有限责任公司 | Method for checking damage of dust removal cloth bag |
| CN116688658A (en) * | 2023-08-01 | 2023-09-05 | 苏州协昌环保科技股份有限公司 | Bag-leakage positioning method, device and medium for bag type dust collector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113041727A (en) * | 2021-03-25 | 2021-06-29 | 包头钢铁（集团）有限责任公司 | Method for checking damage of dust removal cloth bag |
| CN116688658A (en) * | 2023-08-01 | 2023-09-05 | 苏州协昌环保科技股份有限公司 | Bag-leakage positioning method, device and medium for bag type dust collector |
| CN116688658B (en) * | 2023-08-01 | 2023-10-13 | 苏州协昌环保科技股份有限公司 | Bag-leakage positioning method, device and medium for bag type dust collector |
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