CN206523423U - A kind of spectral device of sulfur dioxide in flue gas content measurement - Google Patents

A kind of spectral device of sulfur dioxide in flue gas content measurement Download PDF

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Publication number
CN206523423U
CN206523423U CN201621256441.9U CN201621256441U CN206523423U CN 206523423 U CN206523423 U CN 206523423U CN 201621256441 U CN201621256441 U CN 201621256441U CN 206523423 U CN206523423 U CN 206523423U
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CN
China
Prior art keywords
sampling gun
inlet pipe
air inlet
spectral device
gas chamber
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Expired - Fee Related
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CN201621256441.9U
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Chinese (zh)
Inventor
王斌
徐晓轩
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Tianjin Bonner Technology Co Ltd
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Tianjin Bonner Technology Co Ltd
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Priority to CN201621256441.9U priority Critical patent/CN206523423U/en
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Abstract

The utility model provides a kind of spectral device of sulfur dioxide in flue gas content measurement, including gas sampling gun and sealed gas chamber, heating tape is provided with sealed gas chamber outer wall, sealed gas chamber is provided with air inlet pipe, air inlet pipe and sampling gun are detachably connected, sampling gun includes filter, moisture trap, handle and airway tube, filter is arranged at the end of the sampling gun, moisture trap is arranged between the filter and handle, airway tube and the gas circuit of exhaust tube connection use heat tracing pipeline, the air inlet pipe of sealed gas chamber and the airway tube of sampling gun can be joined directly together, it can also be connected by anti-corrosive heat sampling composite tube.The beneficial effects of the utility model are:Constant temperature is kept in measurement apparatus, prevents sulfur dioxide to be dissolved in aqueous water;Sampling gun can be put into flue, whole device can be put into again in flue during measurement, easy to use, measured value is more accurate.

Description

A kind of spectral device of sulfur dioxide in flue gas content measurement
Technical field
The utility model is related to a kind of spectral device, more particularly to a kind of spectrum of sulfur dioxide in flue gas content measurement is filled Put.
Background technology
Because sulfur dioxide gas is soluble in water, therefore de- for sulfur dioxide in flue gas content measurement, especially desulfurization Water vapour content is more than 8% in flue gas after nitre, flue gas, and content of sulfur dioxide is low, if temperature is low in measurement apparatus, high temperature cigarette Gas enters vapor after measurement apparatus and liquefied, and sulfur dioxide gas is dissolved in after aqueous water, causes measurement result inaccurate.
Sulfur dioxide in flue gas content measurement device in the market, or including sampling gun, pretreatment system sum According to analysis process system, the sampling gun of such a content of sulfur dioxide measurement apparatus is not provided with heater, in low-temperature condition, flue gas In vapor liquefaction absorbed portion gas, cause measurement result inaccurate, and the apparatus structure is complicated, volume is larger, analysis Room can not be directly placed at sampling in flue, be unfavorable for using during in-site measurement;Or including sampling gun and Data Analysis Services System, this device air chamber is directly arranged in sampling gun, and sampling gun outer wall sets heating tape, without being separately provided pretreatment system System, measurement apparatus small volume can be directly placed into flue measurement, but water vapour content is high in flue gas, still have part water steaming Gas liquefaction, causes measurement inaccurate, and sulfur dioxide is dissolved in the internal structure of the acid solution meeting corrosion analysis instrument obtained after water.
The content of the invention
In this regard, the purpose of this utility model is to provide one kind titanium dioxide in sampling gun and main frame flue gas dimerous The spectral device of sulfur content measurement, the wherein airway tube of sampling gun use corrosion resistant heat traced pipeline, and sampling gun can lead to main frame The connection of corrosion resistant heat tracing pipeline is crossed, and heating tape is set in gas chamber outer wall, the gas circuit of exhaust tube connection also uses corrosion resistant heat tracing pipeline, So that flue gas keeps constant temperature by gas circuit, and only sampling gun can be put into flue, also may be used according to actual measurement request Easy to use so that whole device is put into flue, measured value is accurate.
In order to solve the above technical problems, the technical solution adopted in the utility model is:Including gas sampling gun and closed gas Heating tape is provided with room, sealed gas chamber outer wall, air chamber is provided with air inlet pipe, and air inlet pipe and sampling gun are detachably connected, sampled Rifle includes filter, moisture trap, handle and the airway tube being sequentially connected, and filter is arranged at the end of the sampling gun, Moisture trap is arranged between the filter and handle.
In above-mentioned technical proposal, it is preferred that the airway tube of sampling gun uses corrosion resistant heat tracing pipeline.
In above-mentioned technical proposal, it is preferred that air chamber also includes exhaust tube, the gas circuit of exhaust tube connection is used
Corrosion resistant heat tracing pipeline.
In above-mentioned technical proposal, it is preferred that air inlet pipe and gas sampling gun are directly connected to.
In above-mentioned technical proposal, it is preferred that the airway tube of air inlet pipe and the sampling gun is connected by corrosion resistant heat tracing pipeline.
The good effect that the utility model has is:The utility model provides one kind and is made up of sampling gun and main frame two parts Sulfur dioxide in flue gas content measurement spectral device, by sampling gun set moisture trap, can be in flue gas Most of water is removed, using corrosion resistant heat tracing pipeline as gas transmission pipeline in sampling gun, and sets heating tape in gas chamber outer wall, So that flue-gas temperature keeps constant temperature in transmitting procedure, prevent the vapor that is not removed in former flue gas and other compounds in low temperature Flue forms absorption because of condensation, influences the measurement result of sulfur dioxide;The exhaust tube of sampling gun and sealed gas chamber is can be straight Connect and can be connected by corrosion resistant heat tracing pipeline in succession, easy to use, measured value is more accurate.
Brief description of the drawings
Fig. 1 represents the Data Analysis Services system structure diagram of the utility model embodiment.
Fig. 2 represents the structural representation of the sampling gun of the utility model embodiment.
In figure, 1, sampling gun 101, filter 102, moisture trap 103, handle 104, airway tube 2, closed gas Room 21, cylinder 22, diversing lens 23, collector lens 24, lid 25, heating tape 211, air inlet pipe 212, exhaust tube 3, Fibre optical sensor 4, spectrometer 5, temperature sensor 6, processing unit 7, display screen 8, aspiration pump 9, power supply 10, light source 11st, exhaust outlet
Embodiment
In order that technical problem to be solved in the utility model, technical scheme and beneficial effect are more clearly understood, under A kind of embodiment of the present utility model is made with reference to accompanying drawing and being illustrated in face.
As shown in figure 1, a kind of spectral device of sulfur dioxide in flue gas content measurement of the present embodiment, including flue gas sampling Rifle 1 and data analysis process system, the end of gas sampling gun 1 are provided with filter 101, moisture trap 102, handle 103 With airway tube 104, the filter 101 of gas sampling gun is gauze filter, and Data Analysis Services system includes ultraviolet light source 10th, sealed gas chamber 2, spectrometer 4, processing unit 6, display screen 8 and power supply 9.The front end of sealed gas chamber 2 is fixedly installed ultraviolet Light source 12, ultraviolet light source 12 uses LED/light source, and sealed gas chamber 2 includes cylinder 21, diversing lens 22, the optically focused of upper and lower opening Lens 24 and lid 24, the two ends of cylinder 21 set divergent lens 22 and collector lens 23 respectively, and divergent lens 22 is positioned close to One end of light source 10, the outside of collector lens 23 is provided with end cap 24, and fibre optical sensor 3, Fibre Optical Sensor are installed on end cap 24 Device 3 is connected with spectrometer 4, and cylinder 21 is provided with air inlet pipe 211 and exhaust tube 212, and air inlet pipe 211 and gas sampling gun 1 are led Tracheae 104 is connected, and exhaust tube 212 connects temperature inductor 5 by gas circuit, and temperature inductor 5 connects aspiration pump 8 by gas circuit, Aspiration pump 8 is communicated to exhaust outlet 11 by gas circuit.Processing unit 6 connects simultaneously with spectrometer 4, temperature inductor 5 and display screen 7 Connect, power supply is connected simultaneously with ultraviolet light source 10, spectrometer 4, aspiration pump 8, temperature inductor 5, processing unit 6 and display screen 7.
The filter 101 of the termination of sampling gun 1 preferably with the metal sintered filter of more than 2um particulate matters can be filtered out, Sampling gun 1 sets moisture trap 102 to remove most vapor in flue gas, the gas that airway tube 104 and exhaust tube 212 are connected Road uses corrosion resistant heat tracing pipeline, the temperature of all flue gas transmission pipelines is kept constant, can prevent the water in former flue gas from steaming Gas and other compounds form absorption because of condensation in low temperature flue, influence the measurement result of sulfur dioxide;Sampling gun 1 and air inlet Pipe 211 can be directly connected to connect by corrosion resistant heat tracing pipe, whole measurement apparatus can be both put into flue measurement, Only sampling gun 1 can be put into flue and measured.
The outer wall of sealed gas chamber 2 sets in heating tape 25, sampling gun 1 and controls constant temperature in sealed gas chamber 2.Before sealed gas chamber The light source 10 being fixedly installed is held to use LED/light source, the scattered light that LED/light source is sent is converted to directional light by divergent lens 22, so Enter sealed gas chamber afterwards, collector lens 23 passes to fibre optical sensor 3 after the directional light of sealed gas chamber is converted into focusing light, led to The absorption cross-section of analysis sulfur dioxide is crossed, selection 250-320nm is as research wave band, further according to the feature of light source led, selection The concentration of 291-311nm band detection sulfur dioxide gas.
The present embodiment is when in use, different according to the shape height of the chimney of detection or pollution sources, sampling gun 1 and closed gas The air inlet pipe 21 of room 2 is placed in measurement in flue after being joined directly together, after can also being connected by corrosion resistant heat traced pipeline, sampling Rifle 1 is placed in measurement in flue;Detection means is powered after preheating, and aspiration pump 8 drives high-temperature flue gas by sampling gun 1, in sampling gun 1 It is transported to after impurity screening and removing vapor in sealed gas chamber 2, after flue gas is by ultraviolet light source shines in sealed gas chamber 2 Discharged after exhaust tube 212 and temperature sensor 5 by exhaust outlet 11.Flue-gas temperature and the spectrum letter after being absorbed by sulfur dioxide Breath is transferred into processing unit 6, is as a result shown on display screen 7.
Spectral device in embodiment described above, by setting moisture trap on sampling gun, using heat tracing pipe Road sets heating tape as guide pipeline in sampling gun, and in gas chamber outer wall so that flue-gas temperature keeps permanent in transmitting procedure Temperature, prevents the vapor in former flue gas and other compounds from forming absorption because of condensation in low temperature flue, influence sulfur dioxide Measurement result;Sampling gun is that can be directly connected to and can be connected by corrosion resistant heat tracing pipe with main frame, and easy to use, measured value is more Accurately.
One embodiment of the present utility model is described in detail above, but the content is only of the present utility model Preferred embodiment, it is impossible to be considered as being used to limit practical range of the present utility model.It is all to be made according to present utility model application scope Equivalent change with improve etc., all should still belong within patent covering scope of the present utility model.

Claims (7)

1. a kind of spectral device of sulfur dioxide in flue gas content measurement, including sampling gun and data analysis process system, described Data Analysis Services system includes light source, sealed gas chamber, spectrometer, processing unit, display screen and power supply, and the light source is located at institute Sealed gas chamber front end is stated, the processing unit is electrically connected with the spectrometer and the display screen, it is characterised in that:It is described Heating tape is provided with sealed gas chamber outer wall, the sealed gas chamber includes air inlet pipe, and the air inlet pipe and the sampling gun are removable Connection is unloaded, the sampling gun includes filter, moisture trap, handle and airway tube, and the filter is arranged at the sampling The end of rifle.
2. spectral device according to claim 1, it is characterised in that:The airway tube of the sampling gun uses corrosion resistant heat tracing pipe Road.
3. the spectral device according to any one of claim 1 to 2, it is characterised in that:The air chamber also includes exhaust tube, The gas circuit of the exhaust tube connection uses corrosion resistant heat tracing pipeline.
4. the spectral device according to any one of claim 1 to 2, it is characterised in that:The air inlet pipe of the air chamber and institute The airway tube for stating sampling gun is connected by corrosion resistant heat tracing pipeline.
5. spectral device according to claim 3, it is characterised in that:The air inlet pipe of the air chamber and the sampling gun are led Tracheae is connected by corrosion resistant heat tracing pipeline.
6. the spectral device according to any one of claim 1 to 2, it is characterised in that:The air inlet pipe of the air chamber and institute The airway tube for stating sampling gun is directly connected to.
7. spectral device according to claim 3, it is characterised in that:The air inlet pipe of the air chamber and the sampling gun are led Tracheae is directly connected to.
CN201621256441.9U 2016-11-18 2016-11-18 A kind of spectral device of sulfur dioxide in flue gas content measurement Expired - Fee Related CN206523423U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621256441.9U CN206523423U (en) 2016-11-18 2016-11-18 A kind of spectral device of sulfur dioxide in flue gas content measurement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621256441.9U CN206523423U (en) 2016-11-18 2016-11-18 A kind of spectral device of sulfur dioxide in flue gas content measurement

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CN206523423U true CN206523423U (en) 2017-09-26

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109884246A (en) * 2019-01-10 2019-06-14 铜陵有色金属集团股份有限公司金冠铜业分公司 Measure SO in anode furnace2, CO content device and smelting control method
CN110018124A (en) * 2018-01-08 2019-07-16 高利通科技(深圳)有限公司 Argoshield spectral analysis device and spectrochemical analysis for gases system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110018124A (en) * 2018-01-08 2019-07-16 高利通科技(深圳)有限公司 Argoshield spectral analysis device and spectrochemical analysis for gases system
CN109884246A (en) * 2019-01-10 2019-06-14 铜陵有色金属集团股份有限公司金冠铜业分公司 Measure SO in anode furnace2, CO content device and smelting control method

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170926

Termination date: 20191118

CF01 Termination of patent right due to non-payment of annual fee