CN205067454U - Element sulphur morphological analysis monitoring devices - Google Patents
Element sulphur morphological analysis monitoring devices Download PDFInfo
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- CN205067454U CN205067454U CN201520796336.3U CN201520796336U CN205067454U CN 205067454 U CN205067454 U CN 205067454U CN 201520796336 U CN201520796336 U CN 201520796336U CN 205067454 U CN205067454 U CN 205067454U
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- flue gas
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Abstract
The utility model provides an element sulphur morphological analysis monitoring devices, including the flue gas sampling rifle that is used for gathering the flue gas, be used for the condensation handle the flue gas and to handle condensation collector that the liquid drop that produces goes on collecting, be used for surveing the flue gas in gaseous state sulfur dioxide content the flue gas tester, be used for collecting the flue gas in solid particles solid particles thing collector and the aspiration pump A of power is provided for flue gas flow in the whole device. The utility model discloses but the live synchronization carries out liquid drop and solid particles's categorised collection and gaseous state sulfur dioxide's survey in the flue gas, has quick, convenient characteristics, the liquid drop and the solid particles that collect can be used to the analysis of further survey to obtain the concentration level and the distribution situation data of the element sulphur of different existence forms, so as to more comprehensively, accurately evaluatees desulfurization effect.
Description
Technical field:
The utility model relates to the element sulphur form monitoring field in Thermal Power Generation Industry stationary pollution source flue gas, particularly relates to a kind of element sulphur morphological analysis monitoring device that can carry out field monitoring or categorised collection to the distribution situation of different shape element sulphur in coal steam-electric plant smoke and concentration.
Background technology:
The emphasis that sulphuric dioxide reduces discharging as China's current contamination, its emission control more and more comes into one's own.In every profession and trade, the coal-fired SO2 emissions produced account for more than 90% of national total release, and the fuel coal of Thermal Power Generation Industry is the important component part that coal in China consumes always, are also the emphasis that national energy-saving reduces discharging.
At present; be equipped with in the coal-burning power plant of desulfurizer in China; limestone/gypsum wet flue gas desulphurization technology because its technological process is simple, stable and reliable operation, desulfuration efficiency be high; become the first-selected technique of China's coal fired power plant flue gas desulfurization; but in actual mechanical process, wet limestone-gypsum FGD technique still can produce the tiny gypsum particle of a large amount of sulfur-bearing, sulphate particle or drop.Therefore, traditional wet desulfurizing process still a lot of sulphur-containing substance to airborne release in actual moving process.These sulphur-containing substances can enter air along with fine particle in flue gas and drop, form secondary pollutant, the sulphuric dioxide only measuring gaseous state causes the extreme weather phenomenons such as PM2.5 pollution and haze, so can not represent and cause the true discharge capacity of the sulphur of atmospheric pollution.Monitoring method (GB) at present for sulphuric dioxide in stationary pollution source discharging waste gas mainly contains three kinds: constant potentiometric electrolysis, non-dispersion infrared absorption process and iodimetric titration.Wherein, first two is instrument direct-reading method, for the flue gas that water capacity is larger be dehumidifying after carry out sulphuric dioxide test again, the sulphur contribution margin in solid granulates and drop is not taken into account, is unfavorable for comprehensive assessment desulfurized effect; Iodimetric titration measures the sulfur dioxide concentration integrated value in a period of time, can represent the mean concentration of sulphuric dioxide in this time; Sulphur contribution margin in solid granulates and drop is not taken into account by the method equally, and easily by the impact of flue negative pressure during sampling, and to accuracy of instrument require higher, method is loaded down with trivial details, easy generation operability error.
Summary of the invention:
For the problems referred to above existed in current monitoring method, the purpose of this utility model is to provide a kind of element sulphur morphological analysis monitoring device, categorised collection and detection can be carried out to the sulphur-containing substance of existing forms different in coal steam-electric plant smoke, thus obtain concentration level and the distribution situation data of the element sulphur of different existence form.
The technical solution of the utility model is as follows:
Described element sulphur morphological analysis monitoring device comprises: for extract from sampled point the gas sampling gun of flue gas, the condensing collector collected for condensation process flue gas and to the drop that process produces, for measure gaseous sulfur dioxide content in flue gas smoke detecting instrument, for collecting the particulate solid collector of solid granulates in flue gas and providing the aspiration pump A of power for flow of flue gas in whole device.Wherein, condensing collector by for holding low-temperature liquid medium low temperature bath and be placed in low temperature bath, form for the receiving flask A and receiving flask B collecting flue gas drop, receiving flask A and receiving flask B is airtight, and the two conduit by bottleneck is communicated with; When carrying out flue gas condensing and drop collects, be marked with cryogenic liquid medium in described low temperature bath, the bottle of receiving flask A and receiving flask B immerses in cryogenic liquid medium; The bottleneck of described receiving flask A is also provided with draft tube, and it is inner that receiving flask A is stretched in draft tube one end, and the other end is communicated with the wireway (gas outlet) of gas sampling gun; The bottleneck of described receiving flask B is also provided with gas outlet, and one end that gas outlet is positioned at receiving flask B outside is communicated with smoke detecting instrument, particulate solid collector and aspiration pump A by branch air path simultaneously; Flue gas can enter receiving flask A and receiving flask B successively by gas sampling gun under the effect of aspiration pump A, and can continue through gas outlet and flow to smoke detecting instrument and particulate solid collector.
When using the utility model carry out the categorised collection of flue gas sulphur-containing substance and measure, gas sampling gun is inserted sampled point and opens the collection that aspiration pump A carries out flue gas.In gatherer process, flue gas is first by the receiving flask A of gas sampling gun successively in condensing collector and receiving flask B, and the flue gas drop that condensation produces in receiving flask A and receiving flask B is stayed in two bottles; The flue gas of being discharged by described gas outlet flows to smoke detecting instrument and particulate solid collector respectively through branch air path, wherein, smoke detecting instrument directly can measure the gaseous sulfur dioxide in flue gas, and the drop collected by condensing collector and particulate solid collector and solid granulates can supply determination and analysis subsequently.
The atmosphere particulate matter sampler that can gather the suspended particulate substance in surrounding air selected by described particulate solid collector.In order to more effectively separated and collected can be carried out to the particle that aerodynamic diameter in flue gas particles is less than or equal to 2.5 μm, preferably, described particulate solid collector is made up of PM2.5 whirlwind cutter and aspiration pump B matching used with it, aspiration pump B is connected to the downstream gas circuit of PM2.5 whirlwind cutter, and flue gas can be made to enter the sample inlet of described PM2.5 whirlwind cutter with constant rate.
Affect drop in order to avoid the gas in gas sampling gun, before entering condensing collector, condensation occurs as far as possible and collect result, the preferred hot type sampling gun of described gas sampling gun, flue gas at least can be heated to 120 DEG C, thus make all substances in flue gas enter into condensing collector with the form of complete gaseous state.
Conduit path between described receiving flask A and receiving flask B can also set up some receiving flasks, the receiving flask group that all receiving flasks are communicated with by conduit serial connection formation one, with the condensation process time of this prolong smoke in receiving flask, thus guarantee condensation collecting effect further.
The air intake opening place of described smoke detecting instrument can connection traffic meter A; The air intake opening place of described particulate solid collector can connection traffic meter B, so that carry out Real-Time Monitoring when device works to the charge flow rate of flue gas.The bleeding point place of described aspiration pump A can connection traffic meter C and pressure gauge, so that carry out the enforcement monitoring of extraction flow.
The beneficial effects of the utility model are: this device on-the-spot can synchronously carry out the categorised collection of drop and solid granulates and the mensuration of gaseous sulfur dioxide in flue gas, have fast, feature easily; The drop collected and solid granulates can be used for further determination and analysis, to obtain concentration level and the distribution situation data of the element sulphur of different existence form, thus can assess desulfurized effect more comprehensively, exactly.
Accompanying drawing illustrates:
Fig. 1 is the structural drawing of the utility model element sulphur morphological analysis monitoring device.
Embodiment:
Embodiment 1
Below in conjunction with accompanying drawing, the utility model is specifically described.As shown in Figure 1, element sulphur morphological analysis monitoring device described in the utility model comprises: for extract from sampled point the gas sampling gun 1 of flue gas, the condensing collector 2 collected for condensation process flue gas and to the drop that process produces, for measure gaseous sulfur dioxide content in flue gas smoke detecting instrument 3, for collecting the particulate solid collector 4 of solid granulates in flue gas and providing the aspiration pump A5 of power for flow of flue gas in whole device.Condensing collector 2 by for holding low-temperature liquid medium low temperature bath 21 and be placed in low temperature bath 21, form for the receiving flask A22 and receiving flask B23 collecting flue gas drop, receiving flask A22 and receiving flask B23 is airtight, and the two is communicated with by the conduit 26 of bottleneck, when carrying out flue gas condensing and drop collects, be marked with cryogenic liquid medium in described low temperature bath 21, the bottle of receiving flask A22 and receiving flask B23 immerses in cryogenic liquid medium; The bottleneck of receiving flask A22 is also provided with draft tube 24, and it is inner that receiving flask A22 is stretched in draft tube 24 one end, and the other end is communicated with the gas outlet of gas sampling gun 1; The bottleneck of receiving flask B23 is also provided with gas outlet 25, and one end of gas outlet 25 is communicated with receiving flask B23 inside, and the other end is communicated with smoke detecting instrument 3, particulate solid collector 4 and aspiration pump A5 by branch air path simultaneously; Flue gas can enter receiving flask A22 and receiving flask B23 successively by gas sampling gun 1 under the effect of aspiration pump A5, and can continue to flow to smoke detecting instrument 3 and particulate solid collector 4 through gas outlet 25.
Described particulate solid collector 4 is made up of PM2.5 whirlwind cutter 41 and aspiration pump B42 matching used with it, aspiration pump B42 is connected to the downstream gas circuit of PM2.5 whirlwind cutter 41, and flue gas can be made to enter the sample inlet of described PM2.5 whirlwind cutter 41 with constant rate.PM2.5 whirlwind cutter 41 can carry out separated and collected to the particle that aerodynamic diameter in flue gas particles is less than or equal to 2.5 μm more effectively.
Flue gas preferably at least can be heated to the hot type sampling gun of 120 DEG C by described gas sampling gun 1, to make all substances in flue gas enter into condensing collector 2 with the form of complete gaseous state, thus avoid flue gas, before entering condensing collector 2, condensation occurs and affect drop collection result.
The air intake opening place connection traffic meter A31 of described smoke detecting instrument 3; The air intake opening place connection traffic meter B43 of described particulate solid collector 4; The bleeding point place connection traffic meter C51 of described aspiration pump A5 and pressure gauge 52, so that when device works, carry out Real-Time Monitoring to the flue gas flow in above-mentioned each gas circuit.
When carrying out the categorised collection of flue gas sulphur-containing substance and measuring, gas sampling gun 1 is inserted categorised collection and mensuration that sampled point carries out flue gas.In fume collection and mensuration process, aspiration pump A5 and aspiration pump B42 is in opening, flue gas first enters receiving flask A22 in condensing collector 2 and receiving flask B23 by gas sampling gun by draft tube 24 successively, and the flue gas drop collection that condensation produces in receiving flask A22 and receiving flask B23 is stayed in bottle; The flue gas of discharging through gas outlet 25 flows to smoke detecting instrument 3 and PM2.5 whirlwind cutter 41 respectively by branch air path, wherein, smoke detecting instrument 3 directly can measure the gaseous sulfur dioxide in flue gas, and the solid granulates collected of the drop collected by receiving flask A22 and receiving flask B23 and condensing collector 2 and PM2.5 whirlwind cutter 41 can for determination and analysis subsequently.In fume collection and mensuration process, by flowmeter A31, flowmeter B43, flowmeter C51 and pressure gauge 52, Real-Time Monitoring is carried out to the flue gas flow in corresponding gas circuit, and by aspiration pump A5 and aspiration pump B42, flue gas flow is regulated where necessary.
Embodiment 2
Embodiment 2 is substantially identical with the structure of embodiment 1, difference is the conduit path between described receiving flask A22 and receiving flask B23 also has additional 3 receiving flasks, the receiving flask group that 5 receiving flasks are communicated with by conduit serial connection formation one, when carrying out fume collection and measuring, flue gas can enter receiving flask A22 by draft tube 24, and one by one by middle 3 receiving flasks set up, finally enter receiving flask B23, and flow to downstream gas circuit by gas outlet 25.The above-mentioned receiving flask group be connected in series by conduit effectively can extend the condensation process time to flue gas, thus guarantees condensation collecting effect further.
Above-mentioned embodiment is only for illustration of the utility model; wherein the structure of each parts and connection to arrange etc. and can change to some extent; every equivalents of carrying out on the basis of technical solutions of the utility model and improvement, all should not get rid of outside protection domain of the present utility model.
Claims (5)
1. an element sulphur morphological analysis monitoring device: it is characterized in that comprising: for extract from sampled point the gas sampling gun (1) of flue gas, the condensing collector (2) collected for condensation process flue gas and to the drop that process produces, for measure gaseous sulfur dioxide content in flue gas smoke detecting instrument (3), for collecting the particulate solid collector (4) of solid granulates in flue gas and providing the aspiration pump A (5) of power for flow of flue gas in whole device; Wherein, condensing collector (2) by for holding low-temperature liquid medium low temperature bath (21) and be placed in low temperature bath (21), form for the receiving flask A (22) and receiving flask B (23) collecting flue gas drop, receiving flask A (22) and receiving flask B (23) is airtight, and the two conduit by bottleneck (26) is communicated with; When carrying out flue gas condensing and drop collects, be marked with cryogenic liquid medium in described low temperature bath (21), the bottle of receiving flask A (22) and receiving flask B (23) immerses in cryogenic liquid medium; The bottleneck of receiving flask A (22) is also provided with draft tube (24), and receiving flask A (22) inside is stretched in one end of draft tube (24), and the other end is communicated with the gas outlet of gas sampling gun (1); The bottleneck of receiving flask B (23) is also provided with gas outlet (25), and one end that gas outlet (25) is positioned at receiving flask B (23) outside is communicated with smoke detecting instrument (3), particulate solid collector (4) and aspiration pump A (5) by branch air path simultaneously; Flue gas can enter receiving flask A (22) and receiving flask B (23) successively by gas sampling gun (1) under the effect of aspiration pump A (5), and can continue through gas outlet (25) and flow to smoke detecting instrument (3) and particulate solid collector (4).
2. element sulphur morphological analysis monitoring device according to claim 1, is characterized in that: described particulate solid collector (4) is made up of PM2.5 whirlwind cutter (41) and aspiration pump B matching used with it (42).
3. element sulphur morphological analysis monitoring device according to claim 1, is characterized in that: described gas sampling gun (1) is flue gas to be at least heated to the hot type sampling gun of 120 DEG C.
4. element sulphur morphological analysis monitoring device according to claim 1, is characterized in that: air intake opening place connection traffic meter A (31) of described smoke detecting instrument (3); Air intake opening place connection traffic meter B (43) of particulate solid collector (4); Bleeding point place connection traffic meter C (51) of aspiration pump A (5) and pressure gauge (52).
5. element sulphur morphological analysis monitoring device according to claim 1, it is characterized in that: the conduit path between described receiving flask A (22) and receiving flask B (23) is also provided with some receiving flasks, the receiving flask group that all receiving flasks are communicated with by conduit serial connection formation one.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520796336.3U CN205067454U (en) | 2015-10-15 | 2015-10-15 | Element sulphur morphological analysis monitoring devices |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520796336.3U CN205067454U (en) | 2015-10-15 | 2015-10-15 | Element sulphur morphological analysis monitoring devices |
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| CN205067454U true CN205067454U (en) | 2016-03-02 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645057A (en) * | 2016-11-17 | 2017-05-10 | 云南民族大学 | Cigarette smoke cadmium form determination method |
| CN108692997A (en) * | 2018-05-07 | 2018-10-23 | 西安交通大学 | A kind of flue gas droplet content test system and its flue gas drop sampler |
| CN109164025A (en) * | 2018-11-15 | 2019-01-08 | 中建材环保研究院（江苏）有限公司 | A kind of thermal power plant PM2.5 test device and method |
| CN110926883A (en) * | 2019-11-13 | 2020-03-27 | 山东大学 | Portable cloud and mist particle collection equipment and collection method |
| CN112945887A (en) * | 2021-03-11 | 2021-06-11 | 西安交通大学 | Flue gas in-situ monitoring system and method |
-
2015
- 2015-10-15 CN CN201520796336.3U patent/CN205067454U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645057A (en) * | 2016-11-17 | 2017-05-10 | 云南民族大学 | Cigarette smoke cadmium form determination method |
| CN106645057B (en) * | 2016-11-17 | 2019-02-26 | 云南民族大学 | A kind of measuring method of cigarette smoke Cd fractionation |
| CN108692997A (en) * | 2018-05-07 | 2018-10-23 | 西安交通大学 | A kind of flue gas droplet content test system and its flue gas drop sampler |
| CN109164025A (en) * | 2018-11-15 | 2019-01-08 | 中建材环保研究院（江苏）有限公司 | A kind of thermal power plant PM2.5 test device and method |
| CN110926883A (en) * | 2019-11-13 | 2020-03-27 | 山东大学 | Portable cloud and mist particle collection equipment and collection method |
| CN112945887A (en) * | 2021-03-11 | 2021-06-11 | 西安交通大学 | Flue gas in-situ monitoring system and method |
| CN112945887B (en) * | 2021-03-11 | 2023-12-19 | 西安交通大学 | Flue gas in-situ monitoring system and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20161015 |
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| CF01 | Termination of patent right due to non-payment of annual fee |