CN2789760Y - Fumes discharging continuous monitoring instrument - Google Patents

Fumes discharging continuous monitoring instrument Download PDF

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Publication number
CN2789760Y
CN2789760Y CN 200520025272 CN200520025272U CN2789760Y CN 2789760 Y CN2789760 Y CN 2789760Y CN 200520025272 CN200520025272 CN 200520025272 CN 200520025272 U CN200520025272 U CN 200520025272U CN 2789760 Y CN2789760 Y CN 2789760Y
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China
Prior art keywords
circular tube
metal circular
gas
convex lens
monitoring instrument
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Expired - Fee Related
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CN 200520025272
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Chinese (zh)
Inventor
段卫国
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TIANJIN LANYU TECHNOLOGY Co Ltd
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TIANJIN LANYU TECHNOLOGY Co Ltd
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Abstract

The utility model provides a fume discharging continuous monitoring instrument, which is characterized in that the front end of a metal circular tube is provided with a flange connected with the side wall of a flue, the middle part of the metal circular tube is provided with a fume monitoring zone in a shape of a rectangular slotted hole which penetrates the metal circular tube up and down, the front end inside the metal circular tube is provided with a pre-positioned convex lens and a deuterium lamp which emits continuous ultraviolet spectrums, the rear end inside the metal circular tube is provided with a rearmounted convex lens and an optical fiber with a metal protective tube, and an air curtain generator used for protecting the convex lenses is also installed in the metal circular tube. The other end of the optical fiber is also provided with a spectrometer and a computer. The fume discharging continuous monitoring instrument is also provided with a calibrating device, that is to say, the outlet of a standard gas bottle is connected in series with a throttle valve, a gas flowmeter, a pressure gauge, a thermometer, and four standard gas pools which are connected in series through flexible tubes. The proportion of length of the four standard gas pools is 1: 2: 4: 8. The utility model solves the problems of complicated structure and inconvenient installation and operation existing in the current monitoring instrument, has simple structure, and improves the efficiency and precision. In addition, the utility model also has the advantages of short response time, wet basis measurement, multiple constituent monitoring support, and no need for closedown at the time of blowing in and blowing out.

Description

Discharging continuous flue gas monitoring instrument
Technical field
The utility model relates to a kind of monitoring instrument to pollutant in the flue discharging flue gas, especially a kind of discharging continuous flue gas monitoring instrument.
Background technology
Along with developing rapidly of China's industry, the atmospheric pollution situation is on the rise in the city, and the sulphuric dioxide in the atmosphere, nitrogen dioxide, flue dust etc. are harmful to the person, and is therefore just very important to the monitoring and the control of the smoke discharge amount of factory, enterprise.
Using the most general a kind of method both at home and abroad at present is the dilution sampling method, this method is to extract flue gas out at flue or chimney specified altitude place, send to processing such as filter on ground, drying, dilution by pipeline, carry out analyzing and processing with analytic system then, this method is complex structure not only, and dilution ratio control is bad can influence measuring accuracy, and pipeline easily stops up when blow-on and blowing out in addition; Another kind is complete sampling method, this method only adapts to external discharging flue gas, monitoring of environmental that dust concentration is lower, but about continuous working 3 months, if use under the high density pollution condition at home, then need often cleaning filtrator, thereby have that maintenance is big, susceptible to plugging problem when leakage contribution precision, blow-on and blowing out easily take place pipeline, more than two kinds of monitoring methods must be equipped with corresponding analytic system to every kind of smoke composition, thereby cost is very high when various ingredients gas measured.
Summary of the invention
The utility model provides a kind of discharging continuous flue gas monitoring instrument simple in structure, easy to install for solving the technical matters that exists in the known technology.
The technical scheme that the utility model is taked for the technical matters that exists in the solution known technology is:
A kind of discharging continuous flue gas monitoring instrument, by monitoring probe, the spectrometer that is connected with monitoring probe optical fiber, the industrial computer that is electrically connected with spectrometer, and the caliberating device that monitor is demarcated is formed, described monitoring probe is that a front end is shaped on to be connected with flue sidewall and sends out a blue metal circular tube, the middle part of metal circular tube is shaped on the rectangle slotted hole monitoring section that flue gas passes through that is used for of up/down perforation, preposition convex lens are installed and send out continuous the deuterium lamp of ultraviolet spectrum in the metal circular tube interior forward end, the inner rear end of metal circular tube is equipped with rearmounted convex lens and has the optical fiber of metal protecting tube, on the metal circular tube sidewall of preposition convex lens back and rearmounted convex lens front the purification of compressed air input pipe is installed.
The utility model can also adopt following technical measures:
Also be equipped with in the described metal circular tube and corresponding two air curtain generators of the purification of compressed air input mouth of pipe, described two air curtain generators are circular, and its cylindrical is shaped on ring shaped slot, is evenly equipped with six pores to each identical inclination angle of convex lens direction in the ring shaped slot.
Described caliberating device is a calibrating gas bottle, its delivery outlet is serially connected with throttling valve, gas meter, tensimeter, thermometer and four gas ponds that are serially connected, described each gas pond is a cylindrical shape, and diameter is identical, the length ratio in each gas pond is 1: 2: 4: 8, the two-port in each gas pond is sealed with quartz window, all be shaped on intake interface on the side in each gas pond and the interface and successively at the intake interface in each gas pond with give vent to anger and be connected with flexible pipe between the interface, the interface of giving vent to anger in the gas pond of rearmost end is connected with gas outlet of giving vent to anger.
Described metal circular tube, metal protecting tube and purification of compressed air input pipe are coated with the heatproof acid resistant coating.
Advantage and the good effect that the utlity model has are: because deuterium lamp, preposition convex lens, rearmounted convex lens and the optical fiber of sending out ultraviolet light of this probe are all installed, are positioned in the metal circular tube, thereby have good light path element installation collimation performance; This probe is directly installed in the tested flue by the flange of self in addition, and is not only easy for installation, and saved the pipeline of pumping flue gas from flue earthward, makes its structure simpler.Because the length ratio in four gas ponds of this caliberating device is 1: 2: 4: 8, thus can obtain equaling 0/15,1/15 of monitoring section length, 2/15 ..., 14/15,15/15 gas pond group length, i.e. 16 calibration values make the staking-out work of this monitor convenient, accurate.In addition the utility model also have the response time short, wet basis is measured, need not when supporting the monitoring of many components, blow-on and blowing out to shut down and advantage that monitoring accuracy is high.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a caliberating device structural representation of the present utility model.
Among the figure: 1, have metal protecting tube optical fiber; 2, rearmounted convex lens; 3, metal circular tube; 4, rectangle slotted hole monitoring section; 5, purification of compressed air input pipe; 6, air curtain generator; 7, preposition convex lens; 8, flange; 9, ultraviolet source deuterium lamp; 10, monitoring probe; 11, spectrometer; 12, computing machine; 13, calibrating gas bottle; 14, throttling valve; 15, gas meter; 16, tensimeter; 17, thermometer; 18, flexible pipe; 19, gas outlet; 20, gas pond group; 21, pore.
Embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
See also Fig. 1, the front end of metal circular tube 3 is shaped on the flange 8 that is connected with flue sidewall, the stage casing of metal circular tube 3 is shaped on the rectangle slotted hole monitoring section 4 of a up/down perforation, be used for by tested flue gas, in the metal circular tube interior forward end preposition convex lens 7 and ultraviolet source deuterium lamp 9 are installed, rearmounted convex lens 2 are installed and have metal protecting tube optical fiber 1 in the inner rear end of metal circular tube, the other end of optical fiber is connected with spectrometer 11 and computing machine 12.In order to prevent that preposition convex lens and rearmounted convex lens are by smoke contamination, in the metal circular tube of the front of the back of preposition convex lens and rearmounted convex lens, two air curtain generators 6 are installed, two air curtain generators are circular, its cylindrical is shaped on ring shaped slot, the uniform pore 21 that is shaped on six to each identical inclination angle of convex lens direction in the groove.Pressurized air after two air curtain generators 6 are purified by 5 inputs of the purification of compressed air input pipe on the metal circular tube, its pressurized air produces the air curtain of protection convex lens by six pores 21 of two air curtain generators 6.In order regularly this monitor to be demarcated, also preparation has caliberating device, as shown in Figure 2.Delivery outlet at calibrating gas bottle 13 is serially connected with throttling valve 14, gas meter 15, tensimeter 16 and thermometer 17, the other end at thermometer is connected with four tubular gas ponds 20 that are serially connected, four gas pond diameters are identical, the length difference, the length ratio in each gas pond is 1: 2: 4: 8, can obtain the calibrating gas of 16 kinds of concentration like this by different permutation and combination, thereby obtain 16 calibration values of this monitor, the two ends in each gas pond are all with O-ring seal and quartz window sealing, all be shaped on intake interface on each side, gas pond and the interface of giving vent to anger, the gas pond intake interface of each serial connection and giving vent to anger between the interface all with flexible pipe 18 connections, the gas pond intake interface of front end is connected with temperature meter base with flexible pipe, and gas pond, the rear end interface of giving vent to anger is connected with gas outlet 19.
Principle of work:
Monitoring probe 10 is installed in the walling of flue by sending out blue 8.Be blown into purification of compressed air by purification of compressed air input pipe 5 to metal circular tube inside, and produce the air curtain of protection convex lens by air curtain generator 6 backs.When the flue gas in the flue passes the rectangle slotted hole monitoring section 4 at metal circular tube middle part, ultraviolet source deuterium lamp 9 pointolites become directional light through preposition convex lens 7, pass the flue gas of monitoring section 4, the light beam of decaying after smoke absorption focuses on optical fiber 1 through rearmounted convex lens 2 and imports spectrometer 11 into, after opto-electronic conversion and A/D conversion, signal imports computing machine 12 computings, output SO into 2, NO XConcentration.

Claims (4)

1. one kind is discharged the continuous flue gas monitoring instrument, by monitoring probe, the spectrometer that is connected with monitoring probe optical fiber, the industrial computer that is electrically connected with spectrometer, and the caliberating device that monitor is demarcated is formed, it is characterized in that: described monitoring probe is that a front end is shaped on to be connected with flue sidewall and sends out a blue metal circular tube, the middle part of metal circular tube is shaped on the rectangle slotted hole monitoring section that flue gas passes through that is used for of up/down perforation, preposition convex lens are installed and send out continuous the deuterium lamp of ultraviolet spectrum in the metal circular tube interior forward end, the inner rear end of metal circular tube is equipped with rearmounted convex lens and has the optical fiber of metal protecting tube, on the metal circular tube sidewall of preposition convex lens back and rearmounted convex lens front the purification of compressed air input pipe is installed.
2. discharging continuous flue gas monitoring instrument according to claim 1, it is characterized in that: also be equipped with in the described metal circular tube and corresponding two air curtain generators of the purification of compressed air input mouth of pipe, described two air curtain generators are circular, its cylindrical is shaped on ring shaped slot, is evenly equipped with six pores to each identical inclination angle of convex lens direction in the ring shaped slot.
3. discharging continuous flue gas monitoring instrument according to claim 1 and 2, it is characterized in that: described caliberating device is a calibrating gas bottle, its delivery outlet is serially connected with throttling valve, gas meter, tensimeter, thermometer and four gas ponds that are serially connected, described each gas pond is a cylindrical shape, and diameter is identical, the length ratio in each gas pond is 1: 2: 4: 8, the two-port in each gas pond is sealed with quartz window, all be shaped on intake interface on the side in each gas pond and the interface and successively at the intake interface in each gas pond with give vent to anger and be connected with flexible pipe between the interface, the interface of giving vent to anger in the gas pond of rearmost end is connected with gas outlet of giving vent to anger.
4. discharging continuous flue gas monitoring instrument according to claim 1 and 2 is characterized in that: described metal circular tube, metal protecting tube and purification of compressed air input pipe are coated with the heatproof acid resistant coating.
CN 200520025272 2005-02-05 2005-02-05 Fumes discharging continuous monitoring instrument Expired - Fee Related CN2789760Y (en)

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CN 200520025272 CN2789760Y (en) 2005-02-05 2005-02-05 Fumes discharging continuous monitoring instrument

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Application Number Priority Date Filing Date Title
CN 200520025272 CN2789760Y (en) 2005-02-05 2005-02-05 Fumes discharging continuous monitoring instrument

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CN2789760Y true CN2789760Y (en) 2006-06-21

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101221124B (en) * 2007-01-12 2012-06-27 仕富梅集团公司 Probe
CN102778433A (en) * 2012-07-30 2012-11-14 天津市蓝宇科工贸有限公司 Normal position zero gas back-blowing type CEMS (continuous emission monitoring system) probe on-line calibration method and device
CN104483284A (en) * 2014-12-31 2015-04-01 苏州奥德克光电有限公司 Optical system and detection device for flue gas monitor
CN107621454A (en) * 2017-10-20 2018-01-23 杭州希玛诺光电技术股份有限公司 A kind of multi-parameter water quality rapid assay methods of parallel/serial row multiplexing

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101221124B (en) * 2007-01-12 2012-06-27 仕富梅集团公司 Probe
CN102778433A (en) * 2012-07-30 2012-11-14 天津市蓝宇科工贸有限公司 Normal position zero gas back-blowing type CEMS (continuous emission monitoring system) probe on-line calibration method and device
CN102778433B (en) * 2012-07-30 2014-07-23 天津市蓝宇科工贸有限公司 Normal position zero gas back-blowing type CEMS (continuous emission monitoring system) probe on-line calibration method and device
CN104483284A (en) * 2014-12-31 2015-04-01 苏州奥德克光电有限公司 Optical system and detection device for flue gas monitor
CN107621454A (en) * 2017-10-20 2018-01-23 杭州希玛诺光电技术股份有限公司 A kind of multi-parameter water quality rapid assay methods of parallel/serial row multiplexing

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Granted publication date: 20060621

Termination date: 20120205