CN208847648U - Dangerous waste processing system with laser oxygen analyzer - Google Patents
Dangerous waste processing system with laser oxygen analyzer Download PDFInfo
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- CN208847648U CN208847648U CN201821181887.9U CN201821181887U CN208847648U CN 208847648 U CN208847648 U CN 208847648U CN 201821181887 U CN201821181887 U CN 201821181887U CN 208847648 U CN208847648 U CN 208847648U
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- oxygen analyzer
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Abstract
A kind of dangerous waste processing system with laser oxygen analyzer, including dual firing chamber and the laser oxygen analyzer being arranged on the outlet conduit of the dual firing chamber, wherein the Laser Oxygen analyzer includes transmitting unit and receiving unit, the transmitting unit and the receiving unit are oppositely arranged, and are connected by cable.Laser oxygen analyzer in the utility model measures oxygen content to the absorption of spectrum by flue gas, and the response time is short, not will cause error upgrading, and equipment is free of cleaning, only needs periodic inspection to correct, will not have an impact to technique.
Description
Technical field
The utility model belongs to hazardous waste process field, and in particular to a kind of dangerous waste processing with laser oxygen analyzer
System is mainly used for the monitoring of oxygen content in the industries flue gases such as dangerous waste incineration processing.
Background technique
Burning is common method in hazardous waste processing, and capital equipment therein is incinerator.Incinerator is typically provided with
Two combustion chambers, i.e., one combustion room and dual firing chamber, using two-stage combustion mode, a combustion room burning solid, dual firing chamber's burning gases: danger
Dangerous waste passes through dry, anaerobism pyrolysis, after-flame after entering a combustion room under predetermined temperature；Gas caused by being pyrolyzed enters
Dual firing chamber's full combustion can effectively handle toxic and harmful gas therein.The heat contained in final tail gas can lead to
The equipment such as over-heat-exchanger are recycled.
Currently, the most common burning process of dangerous waste treatment industry is rotary kiln incineration technique, standard GB/T 18484 is bright
Really require flue gas oxygen content (dry gas) control 6%~10%.
If uniquely rely on be arranged on chimney CEMS monitoring oxygen content, due to the last one mend wind point be in dual firing chamber,
And export to chimney from dual firing chamber will be through devices such as over-heat-exchanger, chilling tower, deduster, extracting tower, heat exchangers, flue gas will be through
Spending a very long time could be detected in the CEMS on chimney, certainly will control lag, and be easy toning.If in two combustions
Room outlet setting measurement of oxygen content equipment, can adjust in time and mend air quantity to control flue gas oxygen content.
Traditional conventional measurement of oxygen content equipment is zirconia oxygen analyzer, it is that sensor is extend into flue gas to pass through
The oxygen concentration potential that directly detection compares that Standard Gases generate is converted into oxygen content.The temperature of the detected medium of zirconia oxygen analyzer
Higher, the response time is longer, and dual firing chamber's outlet temperature is at 1100 DEG C or more, and zirconia oxygen analyzer stably measured needs
1min；Secondly, the flue gas of dual firing chamber outlet has certain Dust Capacity, dust can be attached to sensing quickly without dust removal process
Device causes measured deviation increasing；In addition, because dust is also dangerous waste, and it is in high-temperature region, so maintenance cleaning also has
Dangerous property, and it is also very unreasonable for leading to blowing out economically because of cleaning sensor.
Utility model content
In order to solve the above-mentioned problems in the prior art, the utility model proposes one kind to have laser oxygen analyzer
Dangerous waste processing system, the response speed, measurement accuracy and reliability of measurement of oxygen content can be significantly improved.
In order to achieve the above object, the utility model uses following technical scheme:
A kind of dangerous waste processing system with laser oxygen analyzer, including dual firing chamber and the outlet that the dual firing chamber is arranged in
Laser oxygen analyzer on pipeline, wherein the Laser Oxygen analyzer includes transmitting unit and receiving unit, the transmitting unit
It is oppositely arranged with the receiving unit, and is connected by cable.
Preferably, the laser oxygen analyzer further includes purge unit, for purging the optical window of the transmitting unit,
The transmitting unit is fixedly connected with the purge unit, and the purge unit is mounted on the mounting flange on the outlet conduit
On.
Preferably, it is provided with adapter ring between the transmitting unit and the purge unit, and passes through installation nut phase
Even.
Preferably, the laser oxygen analyzer further includes purge unit, for purging the optical window of the receiving unit,
The receiving unit is fixedly connected with the purge unit, and the purge unit is mounted on the mounting flange on the outlet conduit
On.
Preferably, it is provided with adapter ring between the receiving unit and the purge unit, and passes through installation nut phase
Even.
Preferably, the purge unit includes filter, pressure reducing valve and constant-current stabilizer.
Preferably, range gas entrance is provided on the receiving unit.
Preferably, the dangerous waste processing system further includes heat exchanger, the outlet of the heat exchanger and the dual firing chamber
Pipeline is connected.
Preferably, the dangerous waste processing system further includes exhaust gas processing device, and the exhaust gas processing device and the heat are handed over
The exhanst gas outlet of parallel operation is connected.
Preferably, a combustion room of the dangerous waste processing system is rotary kiln.
Compared with prior art, the technical solution of the utility model has the advantages that
Laser oxygen analyzer measures oxygen content to the absorption of spectrum by flue gas first, unrelated with detection medium temperature,
Response time is very short, can achieve within 2s；Secondly laser oxygen analyzer be non-contact, through optical window by laser from
Transmitting terminal is mapped to receiving end, and cooling purging need to be only carried out to optical window, not will cause error upgrading；Equipment is free of cleaning,
It only needs periodic inspection to correct, technique will not be had an impact.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the dangerous waste processing system in the utility model embodiment；
Fig. 2 is the laser oxygen analyzer in the utility model embodiment.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with specific embodiment, and
Referring to attached drawing, the utility model is described in further detail.
In view of various drawbacks of zirconia oxygen analyzer, the utility model is using laser oxygen analyzer instead of traditional oxygen
Change zirconium oxygen analyzer, thoroughly solves problems of the prior art.Laser gas analyzer is using spectral absorption skill
Art is obtained the concentration of gas by analyzing laser by the selective absorbing of gas.Laser strong interference immunity, not by H2O and CO2
The influence of content measures more acurrate.Laser gas in-line analyzer is suitable for severe industrial environment application, can be utilized for continuous
Industrial process and gas discharge measuring.In-situ type laser gas analyzer is that laser emitting module and photoelectric sensing module is direct
It is mounted in process piping, on-line analysis directly is carried out to gas tested in pipeline.
Therefore, it when in the utility model using laser oxygen analyzer detection oxygen content, is not influenced, is compared by background gas
In zirconia oxygen analyzer, more resistant to the influence of dust pollution, and pressure, temperature can be corrected automatically to the shadow of measurement
It rings.Therefore, measurement accuracy is high, fast response time, high reliablity.
As shown in Figure 1, the dangerous waste processing system in the utility model embodiment includes: a combustion room 100, dual firing chamber 200, swashs
Photooxidation analyzer 300 and heat exchanger 400, wherein the setting of laser oxygen analyzer 300 dual firing chamber 200 and heat exchanger 400 it
Between pipeline on.
One combustion room 100 can be the burning facilities such as rotary kiln, be used for danger of combustion waste.In one embodiment, one
The temperature for firing room 100 is controlled at 850~950 DEG C, is burned removal rate and is greater than 99%.Danger wastes would generally generate when burning to be contained
There is the flue gas of a large amount of toxic and harmful gas ingredient, the flue gas of generation, which is introduced in dual firing chamber 200, further to burn, to remove
Toxic and harmful gas ingredient therein.
In order to decompose the substance that do not burn in flue gas including toxic and harmful gas ingredient thoroughly, dual firing chamber 200 is set
It is equipped with secondary air supply device 201, for guaranteeing that flue gas comes into full contact with oxygen at high temperature, while guaranteeing flue gas in dual firing chamber
200 residence time is simultaneously adjusted volume of air supply according to the oxygen content of 200 exiting flue gas of dual firing chamber.In one embodiment, two
The temperature control in room 200 is fired at 1000~1300 DEG C, and flue gas is greater than 2s in the residence time of dual firing chamber 200, makes flue gas two
It fires room 200 and sufficiently decomposes burning, to realize higher resolution ratio.Meanwhile large-sized dust can fall into dual firing chamber in flue gas
Complete primary dedusting in 200 bottom.The oxygen content of 200 exiting flue gas of dual firing chamber is monitored on-line by laser oxygen analyzer 300.
Heat rich in flue gas after dual firing chamber 200 burns, therefore, flue gas is introduced in heat exchanger 400
Middle carry out heat recovery, final tail gas can use tail gas treatment device and further purifies, to reach discharge standard requirement, example
Such as tail gas treatment device can be selected from one of Spray column, activated carbon adsorption, high-efficiency bag type dust remover or a variety of.
As shown in Fig. 2, laser oxygen analyzer 300 includes transmitting unit 301, receiving unit 315, the first purge unit 305
With the second purge unit 308, transmitting unit 301 includes and receiving unit 315 is oppositely arranged, and is connected by cable 318.Hair
Penetrating unit 301 includes laser, optical element, controller, man-machine interface etc., and man-machine interface can be a liquid crystal display 316, hair
Unit 301 is penetrated to be connected by feed cable 317 with a power supply.Receiving unit 315 includes photoelectric sensor, optical element, signal
Processor etc..First purge unit 305 and the second purge unit 308 include filter, pressure reducing valve and constant-current stabilizer etc..
Transmitting unit 301 and the first purge unit 305 are fixed by the first installation nut 302 and the first adapter ring 304
Connection is provided with purge gas entrance 307 in the first purge unit 305, can optical window 303 to transmitting unit 301 into
Row purging.First purge unit 305 is fixedly connected on the first mounting flange 306 of pipeline.
Receiving unit 315 and the second purge unit 308 are fixed by the second installation nut 313 and the second adapter ring 311
Connection is provided with purge gas entrance 310 in the second purge unit 308, can optical window 312 to receiving unit 315 into
Row purging.Second purge unit 308 is fixedly connected on the second mounting flange 309 of pipeline.Receiving unit 315 further includes an amount
Journey gas entrance 314.
The laser oxygen analyzer of the utility model measures oxygen content to the absorption of spectrum by flue gas, with detection medium temperature
Spend unrelated, the response time is very short, can achieve within 2s.Since laser oxygen analyzer is non-contact, through optical window
Laser is emitted to receiving unit from transmitting unit, cooling purging need to be only carried out to optical window, not will cause error liter
Grade.In addition, the equipment of the utility model only needs periodic inspection to correct, will not have an impact to technique without cleaning.
Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects
Step is described in detail, it should be understood that the foregoing is merely specific embodiment of the utility model, are not limited to this reality
With novel, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all include
It is within the protection scope of the utility model.
Claims (10)
1. a kind of dangerous waste processing system with laser oxygen analyzer, which is characterized in that including dual firing chamber and be arranged described two
The laser oxygen analyzer on the outlet conduit of room is fired, wherein the Laser Oxygen analyzer includes transmitting unit and receiving unit, institute
It states transmitting unit and the receiving unit is oppositely arranged, and be connected by cable.
2. dangerous waste processing system according to claim 1, which is characterized in that the laser oxygen analyzer further includes that purging is single
Member, for purging the optical window of the transmitting unit, the transmitting unit is fixedly connected with the purge unit, the purging
Unit is mounted on the mounting flange on the outlet conduit.
3. dangerous waste processing system according to claim 2, which is characterized in that the transmitting unit and the purge unit it
Between be provided with adapter ring, and be connected by installation nut.
4. dangerous waste processing system according to claim 1, which is characterized in that the laser oxygen analyzer further includes that purging is single
Member, for purging the optical window of the receiving unit, the receiving unit is fixedly connected with the purge unit, the purging
Unit is mounted on the mounting flange on the outlet conduit.
5. dangerous waste processing system according to claim 4, which is characterized in that the receiving unit and the purge unit it
Between be provided with adapter ring, and be connected by installation nut.
6. the dangerous waste processing system according to any one of claim 2-5, which is characterized in that the purge unit included
Filter, pressure reducing valve and constant-current stabilizer.
7. dangerous waste processing system according to claim 1, which is characterized in that be provided with range gas on the receiving unit and enter
Mouthful.
8. dangerous waste processing system according to claim 1, which is characterized in that the dangerous waste processing system further includes heat exchange
Device, the heat exchanger are connected with the outlet conduit of the dual firing chamber.
9. dangerous waste processing system according to claim 8, which is characterized in that the dangerous waste processing system further includes at tail gas
Device is managed, the exhaust gas processing device is connected with the exhanst gas outlet of the heat exchanger.
10. dangerous waste processing system according to claim 1, which is characterized in that a combustion room of the dangerous waste processing system is
Rotary kiln.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821181887.9U CN208847648U (en) | 2018-07-24 | 2018-07-24 | Dangerous waste processing system with laser oxygen analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821181887.9U CN208847648U (en) | 2018-07-24 | 2018-07-24 | Dangerous waste processing system with laser oxygen analyzer |
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| CN208847648U true CN208847648U (en) | 2019-05-10 |
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| CN201821181887.9U Active CN208847648U (en) | 2018-07-24 | 2018-07-24 | Dangerous waste processing system with laser oxygen analyzer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238167A (en) * | 2019-06-28 | 2019-09-17 | 北京琪玥环保科技股份有限公司 | Ac electrode Joule heat is accompanied plasma fusion danger wastes system |
| CN110749557A (en) * | 2018-07-24 | 2020-02-04 | 北京琪玥环保科技股份有限公司 | Useless processing system of danger with laser oxygen analysis appearance |
-
2018
- 2018-07-24 CN CN201821181887.9U patent/CN208847648U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110749557A (en) * | 2018-07-24 | 2020-02-04 | 北京琪玥环保科技股份有限公司 | Useless processing system of danger with laser oxygen analysis appearance |
| CN110238167A (en) * | 2019-06-28 | 2019-09-17 | 北京琪玥环保科技股份有限公司 | Ac electrode Joule heat is accompanied plasma fusion danger wastes system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Hazardous waste treatment system with laser oxygen analyzer Effective date of registration: 20201014 Granted publication date: 20190510 Pledgee: Beijing ustron Tongsheng financing Company limited by guarantee Pledgor: BEIJING QI YUE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2020990001207 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221121 Granted publication date: 20190510 Pledgee: Beijing ustron Tongsheng financing Company limited by guarantee Pledgor: BEIJING QI YUE ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Registration number: Y2020990001207 |