CN205182388U - Online high -precision flanking fire type leak hunting device of certainly putting of bag collector - Google Patents
Online high -precision flanking fire type leak hunting device of certainly putting of bag collector Download PDFInfo
- Publication number
- CN205182388U CN205182388U CN201520788339.2U CN201520788339U CN205182388U CN 205182388 U CN205182388 U CN 205182388U CN 201520788339 U CN201520788339 U CN 201520788339U CN 205182388 U CN205182388 U CN 205182388U
- Authority
- CN
- China
- Prior art keywords
- subsystem
- optical signal
- detection apparatus
- leakage detection
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 claims abstract description 28
- 238000012545 processing Methods 0.000 claims abstract description 20
- 230000003287 optical effect Effects 0.000 claims description 76
- 238000001514 detection method Methods 0.000 claims description 44
- 238000000605 extraction Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 229910000673 Indium arsenide Inorganic materials 0.000 claims description 3
- 229910000661 Mercury cadmium telluride Inorganic materials 0.000 claims description 3
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 claims description 3
- CYRGZAAAWQRSMF-UHFFFAOYSA-N aluminium selenide Chemical compound [Al+3].[Al+3].[Se-2].[Se-2].[Se-2] CYRGZAAAWQRSMF-UHFFFAOYSA-N 0.000 claims description 3
- DLISVFCFLGSHAB-UHFFFAOYSA-N antimony arsenic Chemical compound [As].[Sb] DLISVFCFLGSHAB-UHFFFAOYSA-N 0.000 claims description 3
- MCMSPRNYOJJPIZ-UHFFFAOYSA-N cadmium;mercury;tellurium Chemical compound [Cd]=[Te]=[Hg] MCMSPRNYOJJPIZ-UHFFFAOYSA-N 0.000 claims description 3
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000003909 pattern recognition Methods 0.000 claims description 3
- 229910002058 ternary alloy Inorganic materials 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 27
- 239000002131 composite material Substances 0.000 abstract 2
- 238000009434 installation Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 19
- 239000013307 optical fiber Substances 0.000 description 12
- 239000000843 powder Substances 0.000 description 10
- 239000004744 fabric Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- 229920001903 high density polyethylene Polymers 0.000 description 4
- 239000004700 high-density polyethylene Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 206010020852 Hypertonia Diseases 0.000 description 1
- 229920000914 Metallic fiber Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005250 beta ray Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- WPYVAWXEWQSOGY-UHFFFAOYSA-N indium antimonide Chemical compound [Sb]#[In] WPYVAWXEWQSOGY-UHFFFAOYSA-N 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004848 nephelometry Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses an online high -precision flanking fire type leak hunting device of certainly putting of bag collector, including light signal emission subsystem, light signal reception subsystem, signal processing subsystem, signal display subsystem and composite control subsystem, wherein: the sub - ystem installation of light signal emission is on the lateral wall of the card top of bag collector box for send the light signal, light signal reception subsystem is installed perpendicularly on the lateral wall adjacent with the light signal emission subsystem for receive the light signal that the light signal emission subsystem sent, signal processing subsystem, signal display subsystem and composite control subsystem all are unlikely to outside the dust remover. The utility model discloses a leak hunting apparatus and method for is the position of the accurate damaged filter bag in location fast to in time change.
Description
Technical field
The utility model belongs to field of Environment Protection, is specifically related to Powder gas purification and collection technique field, more specifically, is certainly put Quartering shot type leakage detection apparatus about a kind of sack cleaner is high-precision online.
Background technology
While China's economic development, the dust pollution that all trades and professions produce also is on the rise.At present, in the production process of the industry such as food, building, chemical industry, metallurgy, glass, cement, waste incineration, electric power, all a large amount of dust can be produced.In order to purify or collect these dust, all trades and professions devise various deduster.Wherein sack cleaner is high with its distinctive arresting efficiency, operation is continuous, operating load changes strong adaptability, processes the features such as large-minded, can to process dust kind is many, obtains and uses widely.
Filter bag is in longtime running, there will be breakage in various degree, trace it to its cause: the intensity of filter bag when weaving differs, the dropped stitch of filter bag when making, filter bag is damaged by the hook that keel sting when mounted, filter bag is the excessive or pulse air hypertonia of air cloth ratio or the too high and strain that produces of the frequency operationally, and filter bag is aging etc. under high temperature, high mill, corrosion.How to diagnose at demand pairs thousand filter bags, be the difficult problem be not always solved.
Existing method or device mainly contain following several: the first kind is bag house outlet gas dust content detection method, as multi-path laser method, MESA method, nephelometry, β ray method, piezoelectric vibration method etc., be all with exit gas dust-laden total amount to judge in sack cleaner, whether filter bag exists breakage, but damaged position cannot be located; Equations of The Second Kind is locellus detection method, as charge method, differential pressure method, capacitance method, laser method etc., all to judge in sack cleaner, which locellus has filter bag damage, but the accurate location of damaged filter bag cannot be located, after finding locellus filter bag damage, can only shut down and hundreds of filter bags in this room are extracted out one by one, carry out hand inspection, take a lot of work, time-consuming, effort; 3rd class is detection method one by one, as weight method, the Light-guiding Method etc. of bleeding, namely each cloth sack is all equipped with test point, and this sack cleaner pulse backblowing being housed for routine is a huge obstacle, and device is complicated, it is high to invest, applicable surface is narrow, so be difficult to promote in practice.
For this reason, working out the online fixed point leakage detection apparatus of a class with universality, and be applied to various sack cleaner, is urgent problem in gas purification and assembling sphere.
Utility model content
The purpose of this utility model solves with regard to being the problem being difficult to carry out the deduster of a large amount of filter bag on-line monitoring in prior art, thus provides a kind of sack cleaner high-precision certainly some Quartering shot type leakage detection apparatus online.
For achieving the above object, sack cleaner of the present utility model online high-precision Quartering shot type leakage detection apparatus of certainly putting comprises optical signal launch subsystem, optical signal receiving subsystem, signal processing subsystem, Signal aspects subsystem and Comprehensive Control subsystem, wherein:
On sidewall above the card that described optical signal launch subsystem is installed on sack cleaner casing, for sending optical signal;
Described optical signal receiving subsystem is installed vertically on the sidewall adjacent with optical signal launch subsystem, for the optical signal that receiving optical signals transmitting subsystem sends;
Described signal processing subsystem for receiving the optical signal from optical signal receiving subsystem, and processes the optical signal received, and to judge whether that the situation of leaking occurs filter bag, and result is sent to Signal aspects subsystem;
Described Signal aspects subsystem for showing the result from signal processing subsystem, and is that filter bag has during leakage and gives the alarm in result;
Comprehensive Control subsystem communicates with aforementioned each subsystem respectively, and for carrying out Collaborative Control to each subsystem, the instruction in single system sequential and space controls.
According to the utility model, described optical signal launch subsystem is electro-optical signal transmitter, and its optical signal sent comprises visible ray and near infrared light.
According to the utility model, described Signal reception subsystem is the receiver corresponding to electro-optical signal transmitter, comprise CCD, COMS sensor of photodiode array composition, and vulcanized lead, aluminum selenide, indium arsenide, antimony arsenide, mercury cadmium telluride ternary alloy three-partalloy, germanium silicon compound sensor.
According to the utility model, described signal processing subsystem is a processor, and it comprises denoising, feature extraction, Fuzzy Pattern Recognition to the process of the optical signal from optical signal receiving subsystem and leaks judgement.
According to the utility model, described signal processing subsystem comprises DPS, FPGA, miniature PC and single board computer.
According to the utility model, described Signal aspects subsystem comprises display screen and acoustic-optic alarm, to show the running status of sack cleaner and to send audible and visible alarm when there is leakage.
According to the utility model, described Comprehensive Control subsystem is programmable logic controller (PLC).
According to a preferred embodiment of the present utility model, described signal is launched subsystem and is comprised several light sources with the row or column number respective amount of filter bag.
As the interchangeable scheme of one, described signal is launched subsystem and is comprised that be arranged at can along of a track horizontal slip light source on guide rail.
In the utility model, described optical signal launch subsystem is installed on inner side or the outside of sidewall.
According to a preferred embodiment of the present utility model, described optical signal receiving subsystem comprises several sensors with the row or column number respective amount of filter bag.
As the interchangeable scheme of one, described Signal reception subsystem comprises that be arranged at can along of a guide rail horizontal slip light source on guide rail.
In the utility model, described optical signal receiving subsystem is installed on inner side or the outside of sidewall.
Sack cleaner of the present utility model online high-precision Quartering shot type leakage detection apparatus of certainly putting has following beneficial effect:
(1) general applicability: be suitable for various sack cleaner.
(2) discovery property timely: once there have filter bag to occur to be damaged, can be found.
(3) accuracy of locating: overcome the overlapping erroneous judgement caused of ranks that damaged filter bag occurs.
(4) agility of searching for: only need patrol and examine a time, just can locate damaged filter bag, and the used time be very short.
(5) the easily property purchased of device: most component market can be purchased, and by force substituting.
(6) convenience of reequiping, installing, overhauling: very convenient in dismounting.
Accompanying drawing explanation
Fig. 1 is the sack cleaner of the present utility model high-precision composition schematic diagram certainly putting Quartering shot type leakage detection apparatus online.
Fig. 2 is the schematic diagram of embodiment 1.
Fig. 3 is the optical signal launch subsystem of embodiment 3 and the schematic diagram of optical signal receiving subsystem.
Detailed description of the invention
Below in conjunction with accompanying drawing, with specific embodiment, to sack cleaner of the present utility model, high-precision certainly some Quartering shot type leakage detection apparatus and leak hunting method thereof are described in further detail online.Should be understood that following examples only for illustration of the utility model but not for limiting scope of the present utility model.
Term illustrates:
1, reflection effect: " three lines are coplanar, two line separations, and two jiaos equal ", light on irregular dust surface, light echo can occur when moving ahead, and namely occurs reverberation at the opposite side of normal angle equity, thus defines reflection effect.
2, diffuse effect: due to the rough of dust surface and irregular feature, light forms multidirectional reflection on each surface of dust simultaneously, thus defines diffuse effect.
3, refraction effect: " three lines are coplanar, two line separations, and two jiao three becomes ", dust to light, has part light to pass dust interface and to appear from another interface, thus defines refraction effect except having reflection effect and diffuse effect.
4, scattering effect: due to the heterogencity of dust internal structure, after dust accepts the energy of light, its energy reflected is that solid is dispersed, thus defines scattering effect.Scattering effect comprises, Tyndall effect, Rayleigh effect, Michaelis effect, Ramam effect, Compton effect, inverse Compton effect, brillouin effect etc.
Embodiment 1
As shown in Figure 1, sack cleaner of the present utility model (filter, dust arrester) is high-precision online certainly puts Quartering shot type leakage detection apparatus, comprise optical signal launch subsystem, optical signal receiving subsystem, signal processing subsystem, Signal aspects subsystem and Comprehensive Control subsystem, wherein:
As shown in Figure 2, above the card 14 that described optical signal launch subsystem 11 is installed on sack cleaner casing 13 (upper box) sidewall on, for sending optical signal;
Described optical signal receiving subsystem 12 is installed vertically on adjacent sidewall, for the optical signal that receiving optical signals transmitting subsystem 11 sends;
Described signal processing subsystem, Signal aspects subsystem and signal RACS are arranged in outside sack cleaner, wherein:
Described signal processing subsystem for receiving the optical signal from optical signal receiving subsystem 12, and processes the optical signal received, and to judge whether that the situation of leaking occurs filter bag, and result is sent to Signal aspects subsystem;
Described Signal aspects subsystem for showing the result from signal processing subsystem, and is that filter bag has during leakage and gives the alarm in result;
Comprehensive Control subsystem communicates with aforementioned each subsystem respectively, and for carrying out Collaborative Control to each subsystem, the instruction in single system sequential and space controls.
Described optical signal launch subsystem 11 is preferably electro-optical signal transmitter, and its optical signal sent comprises visible ray, near infrared light etc.;
Described Signal reception subsystem 12 is preferably the receiver corresponding to electro-optical signal transmitter, comprise CCD (charge-coupled image sensor), COMS (complementary metal oxide semiconductors (CMOS)) sensor of photodiode array composition, vulcanized lead, aluminum selenide, indium arsenide, antimony arsenide, mercury cadmium telluride ternary alloy three-partalloy, germanium silicon compound sensor etc.;
Described signal processing subsystem is a processor, it comprises denoising, feature extraction, fuzzy (statistics, cluster) pattern-recognition to the process of the optical signal from optical signal receiving subsystem 12 and leaks judgement, described processor is DPS (digital pixel system), FPGA (field programmable gate array) such as, miniature PC, single board computer etc.;
Described Signal aspects subsystem comprises display screen and acoustic-optic alarm, to show the running status of sack cleaner and to send audible and visible alarm when there is leakage;
Described Comprehensive Control subsystem can adopt programmable logic controller (PLC) (PLC).
In the present embodiment, described optical signal launch subsystem 11 can comprise several light sources with the row or column number respective amount of filter bag, also only can adopt that be arranged at can along of a track horizontal slip light source on guide rail; Optical signal launch subsystem 11 is installed on inner side or the outside of sidewall 13;
Similar with it, described optical signal receiving subsystem 12 can comprise several sensors with the row or column number respective amount of filter bag, also only can adopt that be arranged at can along a light source of guide rail 15 horizontal slip on guide rail 15 as shown in Figure 2; Optical signal receiving subsystem 12 is installed on inner side or the outside of sidewall 13.
The high-precision online operating process of certainly putting Quartering shot type leakage detection apparatus of the present embodiment is:
First, send enabled instruction by operating personnel, open all subsystems.Then, operating personnel can select detection mode: the intensive full room of all standing/line by line, column are detected, by room/line by line, column detection, the detection of sparse type emphasis row, column formula etc.This device can be patrolled and examined automatically according to instruction: such as the intensive full room of all standing/line by line, column are detected, each room traveling optical signal is launched subsystem and is sent light source, light is with all filter pocket mouths of this row of line direction direct projection, the column signal receiving subsystem that side is installed, the change of each filter pocket mouths light of this row of detection by column and light granule density, and through light-electricity conversion, become the signal of telecommunication and deliver to signal processing subsystem.Detect complete when this row often arranges, then continue next line, until whole row, complete the detection of whole sack cleaner.
When certain filter bag occurs damaged, the dust having increment is gushed out, and different reflections, diffusion, refraction, scattering effect occur, and the optical signal receiver of side can experience the increase of light and light granule density, and through light-electricity conversion, become the signal of telecommunication and deliver to signal processing subsystem.Ambient noise, equipment (transmitter, receiver, processor self and conduction auxiliary) noise, algorithm noise etc. are eliminated by signal processing subsystem, genuine and believable data are extracted, threshold value is given by fuzzy assessment process, statistical estimation method, clustering procedure etc., identify this filter bag and occur damaged also record, Signal aspects subsystem shows the location of damaged filter bag and reports to the police on screen.
Adopt the leakage detection apparatus of the present embodiment only need patrol and examine one time, just can locate damaged filter bag, and just can complete patrolling and examining of one-period within several minutes, rapidly and efficiently.
Embodiment 2
Be illustrated in figure 3 sack cleaner of the present utility model (filter, dust arrester) high-precision second embodiment certainly putting Quartering shot type leakage detection apparatus online, the difference of itself and embodiment 1 is: described signal is launched subsystem 11 and comprised light source 6 and the optical fiber 7 with optional optical splitter, and described Signal reception subsystem 12 comprises sensor 8 and the optical fiber 9 with optional optical splitter; Described light source 6 adopts near infrared light.
When detection the 1st row, the near-infrared light that light source 6 sends selects the 1st row through optional optical splitter, and light is totally reflected to the 1st row through optical fiber 7, and launch near infrared light, the sensor 8 of the optical fiber 9 of its correspondence receives near infrared light; When detection the 2nd row, the selected 2nd row light path of optional optical splitter is opened, and near infrared light is totally reflected through optical fiber 7 to be launched to the 2nd row, and the sensor 8 of the optical fiber 9 of the 2nd row of its correspondence receives near infrared light; Same as above, detect to last column complete line by line; Detect by column as above more subsequently.When detecting that the logical light quantity of certain row or column changes, namely identify by Signal analysis subsystem, and then determine the row or column that damaged filter bag place occurs; Finally, implement location by ranks alternating method to there are damaged one or more filter bags and shown by Signal aspects subsystem and report to the police.
Application Example 1
Sack cleaner of the present utility model (filter, dust arrester) is the high-precision abrasive particle workshop section of certainly putting Quartering shot type leakage detection apparatus and being used for Chinese medicine production leading portion online, the leak detection of powder cloth envelop collector filter bag is inhaled in grinding, optical signal launch subsystem and optical signal receiving subsystem are arranged in cloth envelop collector upper box, adopt built-in filter bag leakage detection apparatus shown in Fig. 2.
Inhale powder cloth envelop collector, process is 80000m containing powder gas flow
3/ h, gas temperature is 40 DEG C, is 3.7g/Nm containing powder concentration
3.Pulse blowing type selected by cloth envelop collector, and filter bag material is non-woven fabrics, establishes 4 rooms altogether, the filter bag of each 256 Φ 110 × 4000 in room, totally 1024 filter bags.Cloth envelop collector outlet dust concentration is 100mg/Nm
3, inhale powder efficiency 97.3%.
Such as: the 2nd Room the 11st row the 3rd arranges, the 3rd Room the 7th row the 9th arranges and the 3rd Room the 11st row the 9th row occur filter bag damage simultaneously, start horizontal high voltage mercury lamp emission device 11 and the CCD optical sensor 12 of each room, the beam emissions of the first row, the ccd image device of row receives the light quantity of light side direction by column along guide rail, the first row all row in each room detect complete, optical transmitting set is capable along guide rail to the second, and optical receiver receives the light quantity of light side direction more by column along guide rail.In like manner, during to the 7th row, when the 3rd Room optical receiver is again along guide rail to the 9th row, discovery image spot is glimmered, signal processor is delivered in A/D conversion, and after denoising, feature extraction, enhanced contrast, Classification and Identification goes out the 3rd Room the 7th row the 9th and shows filter bag damage storage and sound, light warning on a display screen; Continue each room to the 11st row, arrange in the 2nd Room the 3rd and find hot spot flicker, patrol to the 9th row, find again the 3rd Room the 11st row the 9th row hot spot flicker, thus locking the 2nd Room the 11st row the 3rd arranges, the 3rd Room the 7th row the 9th arranges and the 3rd Room the 11st row the 9th lists existing filter bag damage, store on record and submit display, the red bounce flash that on screen, appearance the 2nd Room the 11st row the 3rd row, the 3rd Room the 7th row the 9th row and the 3rd Room the 11st row the 9th arrange, prompting is changed.
Application Example 2
Sack cleaner of the present utility model (filter, dust arrester) online high-precision Quartering shot type leakage detection apparatus of certainly putting is used for 1 500t/d garbage incinerating tail gas cleaning cloth bag dust collector filter bag leak detection, light source adopts LED, be arranged on outside sack cleaner upper box, adopt the external filter bag leakage detection apparatus shown in Fig. 2.
500t/d incinerator tail flue gas amount is 90000Nm
3/ h, flue-gas temperature is 80 DEG C, and dust concentration is 5g/Nm
3.Pulse blowing type selected by sack cleaner, establishes 6 rooms altogether, the filter bag of each 196 Φ 150 × 4000 in room, totally 1176 filter bags.Sack cleaner outlet dust concentration is 20mg/Nm
3, efficiency of dust collection 99.6%.
6 rooms are divided into two rows, often arrange each 3 rooms, and side of being expert at, each room arranges visible light source LED 11, settles COMS industrial sensor 12 outside sack cleaner.Open row LED, detected by column by COMS, operating personnel watch video in OPS, and show sidelight flicker when certain room row of discovery and increase blast, this filter bag damage is described, filter bag is changed in the prompting that gives the alarm subsequently.
Application Example 3
Sack cleaner of the present utility model (filter, dust arrester) online high-precision Quartering shot type leakage detection apparatus of certainly putting is hunted leak for the bag collector filter bag of petrochemical industry separation containing high density polyethylene (HDPE) powder gas, light source adopts infrared light, be arranged on outside bag collector upper box, adopt the external filter bag leakage detection apparatus shown in Fig. 2, optical signal launch subsystem and optical signal receiving subsystem then adopt the form of the optical fiber with optional optical splitter shown in Fig. 3.
Its air quantity of impulse bag dust arrester is 40000Nm
3/ h, temperature is 600C, and polyethylene powder mass concentration is 15 ~ 20g/Nm
3, powder average diameter is 0.1mm, and minimum grain size is 0.02mm.Geldart-D particle contains high density polyethylene (HDPE) powder, first through cyclone dust collectors one-level prefiltration, more carefully filters through bag collector secondary.Bag collector filter bag is Φ 140 × 2200mm totally 840 filter bags, and filter bag material is that polypropylene fibre adds metallic fiber synthesis.Bag collector outlet dust concentration is 120mg/Nm
3, clearance is 98.8 ~ 99.4%.
Bag collector is divided into 4 rooms to line up two rows, often arranges each 2 rooms, and row × 14, every room 15 arrange, and the 1st, Room 3 establish optical fiber 7 with optional optical splitter, and establish infrared light supply 6; Establish the optical fiber 9 with optional optical splitter between Room 1st and the 2nd, between Room the 3rd and the 4th, and establish infrared sensor 8; 2nd, the optical fiber 7 with optional optical splitter is established in Room 4, and establishes infrared light supply 6.
Open the 1st, 2,3, the row infrared lamp 6 of Room 4 and InSb light quantity subtype infrared sensor 8, sent the instruction of which row of which room by control system.When detecting certain room the 1st row, infrared light selects the 1st row through optional optical splitter, and light is totally reflected to the 1st row through optical fiber 7, and launch infrared light, the sensor 9 of its correspondence receives infrared light; When detection the 2nd row, the selected 2nd row light path of optional optical splitter is opened, and infrared light is totally reflected through optical fiber 7 to be launched to the 2nd row, and the 2nd line sensor 9 of its correspondence receives infrared light; Same as above, detect to the 15th row complete line by line.Generally can detect two room, opposite simultaneously.Such as, when the 2nd Room the 10th row the 7th row filter bag occurs damaged, 2nd Room the 10th row the 7th lists the increase of existing light, signal processor is delivered to by CCD, the threshold value of temperature compensated, denoising, feature extraction, image, Classification and Identification goes out the 2nd Room the 10th row the 7th and shows filter bag damage, store on record and submit display, the red bounce flash of appearance the 2nd Room the 10th row the 7th row on screen, prompting is changed.
Claims (13)
1. sack cleaner is high-precision online certainly puts a Quartering shot type leakage detection apparatus, it is characterized in that comprising optical signal launch subsystem, optical signal receiving subsystem, signal processing subsystem, Signal aspects subsystem and Comprehensive Control subsystem, wherein:
On sidewall above the card that described optical signal launch subsystem is installed on sack cleaner casing, for sending optical signal;
Described optical signal receiving subsystem is installed vertically on the sidewall adjacent with optical signal launch subsystem, for the optical signal that receiving optical signals transmitting subsystem sends;
Described signal processing subsystem for receiving the optical signal from optical signal receiving subsystem, and processes the optical signal received, and to judge whether that the situation of leaking occurs filter bag, and result is sent to Signal aspects subsystem;
Described Signal aspects subsystem for showing the result from signal processing subsystem, and is that filter bag has during leakage and gives the alarm in result;
Comprehensive Control subsystem communicates with aforementioned each subsystem respectively, and for carrying out Collaborative Control to each subsystem, the instruction in single system sequential and space controls.
2. leakage detection apparatus as claimed in claim 1, it is characterized in that: described optical signal launch subsystem is electro-optical signal transmitter, its optical signal sent comprises visible ray and near infrared light.
3. leakage detection apparatus as claimed in claim 1, it is characterized in that: described Signal reception subsystem is the receiver corresponding to electro-optical signal transmitter, comprise CCD, COMS sensor of photodiode array composition, and vulcanized lead, aluminum selenide, indium arsenide, antimony arsenide, mercury cadmium telluride ternary alloy three-partalloy, germanium silicon compound sensor;
4. leakage detection apparatus as claimed in claim 1, is characterized in that: described signal processing subsystem is a processor, and it comprises denoising, feature extraction, Fuzzy Pattern Recognition to the process of the optical signal from optical signal receiving subsystem and leaks judgement.
5. leakage detection apparatus as claimed in claim 4, is characterized in that: described signal processing subsystem comprises DPS, FPGA, miniature PC and single board computer.
6. leakage detection apparatus as claimed in claim 1, is characterized in that: described Signal aspects subsystem comprises display screen and acoustic-optic alarm, to show the running status of sack cleaner and to send audible and visible alarm when there is leakage.
7. leakage detection apparatus as claimed in claim 1, is characterized in that: described Comprehensive Control subsystem is programmable logic controller (PLC).
8. leakage detection apparatus as claimed in claim 1, is characterized in that: described signal is launched subsystem and comprised several light sources with the row or column number respective amount of filter bag.
9. leakage detection apparatus as claimed in claim 1, is characterized in that: described signal is launched subsystem and comprised that be arranged at can along of a track horizontal slip light source on guide rail.
10. leakage detection apparatus as claimed in claim 1, is characterized in that: described optical signal launch subsystem is installed on inner side or the outside of sidewall.
11. leakage detection apparatus as claimed in claim 1, is characterized in that: described optical signal receiving subsystem comprises several sensors with the row or column number respective amount of filter bag.
12. leakage detection apparatus as claimed in claim 1, is characterized in that: described Signal reception subsystem comprises that be arranged at can along of a guide rail horizontal slip light source on guide rail.
13. leakage detection apparatus as claimed in claim 1, is characterized in that: described optical signal receiving subsystem is installed on inner side or the outside of sidewall.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520788339.2U CN205182388U (en) | 2015-10-12 | 2015-10-12 | Online high -precision flanking fire type leak hunting device of certainly putting of bag collector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201520788339.2U CN205182388U (en) | 2015-10-12 | 2015-10-12 | Online high -precision flanking fire type leak hunting device of certainly putting of bag collector |
Publications (1)
Publication Number | Publication Date |
---|---|
CN205182388U true CN205182388U (en) | 2016-04-27 |
Family
ID=55775427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201520788339.2U Expired - Fee Related CN205182388U (en) | 2015-10-12 | 2015-10-12 | Online high -precision flanking fire type leak hunting device of certainly putting of bag collector |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN205182388U (en) |
-
2015
- 2015-10-12 CN CN201520788339.2U patent/CN205182388U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN204831979U (en) | Double-channel atmospheric dust on-line monitoring equipment | |
CN206725466U (en) | Cover-plate glass defect detecting device based on multi-angle combination dark field imaging | |
CN105126479B (en) | Sack cleaner pinpoints direct light type leakage detection apparatus and leak hunting method online | |
CN101135630B (en) | Particle detector and the method improvement and smoke detector | |
CN102496236B (en) | Direct-injection type flame detector with self-checking light source and flame detection method | |
CN105148632A (en) | On-line high-precision fixed point side emitting type leak detection device and leak detection method for bag type dust remover | |
CN202006068U (en) | Bag-leaking positioning device of pulse dust remover | |
CN203376271U (en) | Machine vision-based non-continuous product online detection system | |
CN109941783B (en) | Intelligent transfer system of adhesive tape machine | |
CN109941700A (en) | Coal handling system Intelligent unattended cruising inspection system | |
CN114104653A (en) | Intelligent inspection detection method for coal belt conveyor in coal conveying bin area | |
CN206569654U (en) | A kind of conveyer belt longitudinal ripping detecting device | |
CN104438226A (en) | Mask plate cleaning system | |
CN103256620A (en) | Multi-information-fusion intelligent flame detecting device and detecting method thereof | |
CN101673404A (en) | Target detection method and device | |
CN107036984A (en) | A kind of automotive emission telemetry system | |
CN101750022A (en) | Sintering paving material thickness online detection method | |
CN205055664U (en) | Bag collector direct projection type leak hunting device of fixing a point on line | |
CN203518957U (en) | Detection system of laser scribing morphology | |
CN102967542A (en) | Method and device for identifying and measuring smoke particles | |
CN202372654U (en) | Optical rainfall sensing system | |
CN205182388U (en) | Online high -precision flanking fire type leak hunting device of certainly putting of bag collector | |
CN201897572U (en) | Detecting system for glass broken edge | |
CN111000286A (en) | Anti-interference cigarette appearance quality online detection device and method | |
CN205027638U (en) | On -line monitoring device of PM2. 5 industry flue gas |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 |