CN103505998A - SO2 and NOx gas absorption device for coal heating value test room - Google Patents
SO2 and NOx gas absorption device for coal heating value test room Download PDFInfo
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- CN103505998A CN103505998A CN201310484574.6A CN201310484574A CN103505998A CN 103505998 A CN103505998 A CN 103505998A CN 201310484574 A CN201310484574 A CN 201310484574A CN 103505998 A CN103505998 A CN 103505998A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
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Abstract
The invention relates to a SO2 and NOx gas absorption device for a coal heating value test room. The gas absorption device comprises a device box body, an observation window, an operating hole, a test cylinder which is placed at the inner bottom of the box body, a suspended hood which is arranged above the cylinder, an induced draft fan, a particulate filter, a water bath filter, an exhaust air duct, an exhaust valve, an induced draft fan pipeline, a gas storage tank which is connected with a gas guiding valve, a pressure gauge, a check valve, a liquid filter tank which is communicated with a gas storage tank pipeline, a pollution discharge bottle which is connected with a blowdown valve at the lower part of the liquid filter tank, a primary absorber and a secondary absorber, wherein the particulate filter and the water bath filter are connected between the suspended hood and the induced draft fan, the exhaust air duct and the exhaust valve are installed on the induced draft fan, the pressure gauge and the check valve are installed at the upper part of the gas storage tank, and the primary absorber and the secondary absorber are sequentially connected to the right side of the liquid filter tank through pipes and have the structures identical to the structure of the liquid filter tank. The SO2 and NOx gas absorption device can absorb the harmful gases generated by heating value test, and protect the personal safety of test personnel.
Description
Technical field
The invention belongs to the caloric value chamber SO of the thermal power generation depollution of environment technical field, particularly a kind of coal
2, NO
xdeng toxic and harmful absorption plant.
Background technology
Coal produces SO in combustion process
2, the pernicious gas such as NOx, flue dust and CO, wherein SO
2the SO the most serious to ambient influnence, concentration is higher
2healthy by harm humans, the quality of the out of stock effect of flue gas desulfurization, by directly affecting the quality of atmospheric environment, more and more receives people's concern.
Caloric value be of paramount importance coal characteristic index ，Shi Dui Ren every day of thermal power plant factory's coal and people's stove coal must survey project.The caloric value of coal is measured in oxygen bomb calorimeter.A certain amount of analytical sample is placed on to the oxygen bomb internal combustion that is filled with excessive oxygen.The thermal capacity that oxygen bomb calorimeter is put is determined by a certain amount of benchmark calorimetric thing benzoic acid that burns under close condition, the temperature rise producing according to Calorimetry system before and after sample burning, and after the additives such as ignition wire are proofreaied and correct, can try to achieve the heating quantity of bomb cylinder of sample.From heating quantity of bomb cylinder, deduct nitric acid Heat of Formation and sulfuric acid corrected value obtains high calorific power.
The laboratory that carries out heating-value determination meets the following conditions:
1) carry out the laboratory of heating-value determination, should be independent room, should in same room, not carry out other pilot projects simultaneously;
2) room temperature should keep relative stability, and each door is determined room temperature and do not changed and should surpass 1 ℃, and room temperature is to be advisable in (15-30 ℃) scope;
3) indoor should be without strong cross-ventilation, therefore do not have strong thermal source, low-temperature receiver and fan etc., should avoid door and window in process of the test;
4) laboratory is preferably exposed to the north, and to avoid solar radiation, otherwise calorimeter should be placed on the place that is not subject to direct sunlight.
Experimentation:, in combustion boat, the ignition wire ，Ba two ends of getting one section of known quality are connected on respectively on two electrode columns to take granularity < 0.2mm air-dried sample 0.9～1.lg (claiming accurate to 0.0002g), and crooked ignition wire approaches sample.In oxygen bomb, add people 10mL distilled water, carefully tighten bullet lid.In oxygen bomb, slowly fill people's oxygen, until pressure is to 2.8-3.0MPa, the oxygenation time must not be less than 15s.Oxygen bomb is put gently in the inner core of people's automatic water temperature regulation water yield, fastened cover.Calorimeter will enter people's experiment automatically.After experiment finishes, oxygen bomb is carried out to exhaust cleaning, gas comprises the SO that burning produces<sub TranNum="83">2</sub>, NO<sub TranNum="84">x</sub>deng gas, so just have a certain amount of SO<sub TranNum="85">2</sub>, NO<sub TranNum="86">x</sub>long-term existence, in the caloric value laboratory of coal, exists health to experimenter and exists certain harm.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of caloric value chamber SO2, NOx gas absorbing device of coal is provided.
The present invention solves its technical problem and takes following technical scheme to realize:
A kind of caloric value chamber SO of coal
2, NO
xgas absorbing device, comprise device box, leading flank top at casing has observation window, below observation window, be shaped with two handle holes, the installation that realizes internal unit left/closed by casing by rear door, in box house bottom surface, place caloric value test cylinder, above cylinder, be fixedly mounted with the suspended hood that Open Side Down, upper left side at suspended hood is fixedly mounted with air-introduced machine, at suspended hood, to the pipeline connecting between air-introduced machine, particulate filter and water-bath filter are installed successively, in air-introduced machine left side, be provided with and pass the discharge duct that casing left plate is connected with laboratory exhaust equipment, discharge duct termination is provided with discharging valve, on air-introduced machine top, be fixed with the air accumulator that pipeline and guide valve connect, after the top of air accumulator passes box top by pipeline respectively, Pressure gauge and non-return valve are installed, on the right side of air accumulator, be fixed with pipeline communication in the liquid filtering case of left side wall bottom, liquid filtering lower box part is connected with blowdown bottle by pipeline and blowoff valve, on liquid filtering Xiang right side, by pipeline, be connected with one-level absorber and the secondary absorber that structure is identical with liquid filtering case in turn.
And described particulate filter is equipped with the filter of filter screen in being.
And described water-bath filter is divided into two parts in left and right, its right-hand component is magnesium perchlorate solution, and left-hand component is silica gel, and gas is all to import from liquid level, from liquid level, derives.
And described air-introduced machine right side is also provided with air-introduced machine early gate.
And, in described liquid filtering case, caustic lye of soda body is housed, left side imports gas pipeline and is positioned under NaOH liquid level, and right side is derived gas pipeline and is positioned on NaOH liquid level.
And, NaOH liquid and sodium carbonate liquid are housed respectively in described single filter case and cascade filtration case, two Rose Box left sides import gas pipeline and are all positioned under liquid level, right side is derived gas pipeline and is all positioned on liquid level, simultaneously, top at two Rose Boxes is provided with sample valve by passing the pipeline of box top, on the box top above two Rose Boxes, be fixedly mounted with stirring motor, stirring motor arbor extends to two Rose Box middle parts through the end face of box top and two Rose Boxes straight down, and two arbor bottoms are all fixed with the stirring rod that is positioned at liquid level below.
And the top of described cascade filtration case is fixed with pH meter, pH meter detection head is positioned under cascade filtration case liquid level, and pH value detects meter reading and is partly positioned on box top.Advantage of the present invention and good effect are
Advantage of the present invention and good effect are
The present invention relates to the SO producing in the caloric value experimentation of coal
2, NO
xmonitoring, absorption cleaning, waste liquid neutralising arrangement, can meet the pernicious gas that thermal power plant's Dui Ren every day factory coal and people's stove calorific value of coal are measured the caloric value test generation that produces pernicious gas processing, absorption cleaning coal, protection test personnel's personal safety.
Accompanying drawing explanation
Fig. 1 is the structural representation of apparatus of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the embodiment of the present invention is further described, following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
A kind of caloric value chamber SO of coal
2, NO
xgas absorbing device, as shown in Figure 1, comprise device box 20, leading flank top at casing has observation window 10, below observation window, be shaped with two handle holes 21, the installation that realizes internal unit left/closed by casing by rear door, in box house bottom surface, place caloric value test cylinder 24, above cylinder, be fixedly mounted with the suspended hood 23 that Open Side Down, on the upper left side of suspended hood, be fixedly mounted with air-introduced machine 7, at suspended hood, to the pipeline connecting between air-introduced machine, particulate filter 22 and water-bath filter 9 are installed successively, in air-introduced machine left side, be provided with and pass the discharge duct 2 that casing left plate is connected with laboratory exhaust equipment, discharge duct termination is provided with discharging valve 1, on air-introduced machine top, be fixed with the air accumulator 5 that pipeline and guide valve 6 connect, after the top of air accumulator passes box top by pipeline respectively, Pressure gauge 3 and non-return valve 4 are installed, on the right side of air accumulator, be fixed with pipeline communication in the liquid filtering case 11 of left side wall bottom, liquid filtering lower box part is connected with blowdown bottle 19 by pipeline and blowoff valve 12, on liquid filtering Xiang right side, by pipeline, be connected with one-level absorber 15 and the secondary absorber 18 that structure is identical with liquid filtering case in turn.
In specific embodiment of the invention, described particulate filter is equipped with the filter of filter screen in being.
In specific embodiment of the invention, described water-bath filter is divided into two parts in left and right, and its right-hand component is magnesium perchlorate solution, and left-hand component is silica gel, and gas is all to import from liquid level, from liquid level, derives.
In specific embodiment of the invention, described air-introduced machine right side is also provided with air-introduced machine early gate 8.
In specific embodiment of the invention, in described liquid filtering case, caustic lye of soda body is housed, left side imports gas pipeline and is positioned under NaOH liquid level, and right side is derived gas pipeline and is positioned on NaOH liquid level.
In specific embodiment of the invention, NaOH liquid and sodium carbonate liquid are housed respectively in described single filter case and cascade filtration case, two Rose Box left sides import gas pipeline and are all positioned under liquid level, right side is derived gas pipeline and is all positioned on liquid level, simultaneously, top at two Rose Boxes is provided with sample valve 13 by passing the pipeline of box top, on the box top above two Rose Boxes, be fixedly mounted with stirring motor 14, stirring motor arbor extends to two Rose Box middle parts through the end face of box top and two Rose Boxes straight down, two arbor bottoms are all fixed with the stirring rod 16 that is positioned at liquid level below.
In specific embodiment of the invention, the top of described cascade filtration case is fixed with pH meter 17, and pH meter detection head is positioned under cascade filtration case liquid level, and pH value detects meter reading and is partly positioned on box top.
The course of work of device
Finishing the complete cylinder of caloric value, from caloric value instrument, take out, open absorption plant, device for opening door, cylinder is put into absorption plant, visit in pass, start air-introduced machine simultaneously, start after air-introduced machine, by form, observe, handle hole operation, slowly open cylinder, SO2, the toxic and harmfuls such as NOx by air-introduced machine from particulate filter, moisture filter device primary purifying enters into holding vessel, by observing holding vessel Pressure gauge, estimate of situation, also can measure internal gas concentration by valve simultaneously, when reaching 2.0MPa, open the valve between holding vessel and purifier, gas passes through water successively, NaOH liquid and sodium carbonate fluid purification, in purification process, open stirring motor and can accelerate reaction rate, in cascade filtration case, pH value of water solution reaches 6～9, think to purify and finish, open cascade filtration case blowoff valve, carry out blowdown, purify and finish.
Adopt portable many gas testers, carry out gas test, by purifying after absorption plant, caloric value laboratory does not detect the gases such as SO2, NOx.
Claims (7)
1. the caloric value chamber SO of a coal
2, NO
xgas absorbing device, it is characterized in that: comprise device box, leading flank top at casing has observation window, below observation window, be shaped with two handle holes, the installation that realizes internal unit left/closed by casing by rear door, in box house bottom surface, place caloric value test cylinder, above cylinder, be fixedly mounted with the suspended hood that Open Side Down, upper left side at suspended hood is fixedly mounted with air-introduced machine, at suspended hood, to the pipeline connecting between air-introduced machine, particulate filter and water-bath filter are installed successively, in air-introduced machine left side, be provided with and pass the discharge duct that casing left plate is connected with laboratory exhaust equipment, discharge duct termination is provided with discharging valve, on air-introduced machine top, be fixed with the air accumulator that pipeline and guide valve connect, after the top of air accumulator passes box top by pipeline respectively, Pressure gauge and non-return valve are installed, on the right side of air accumulator, be fixed with pipeline communication in the liquid filtering case of left side wall bottom, liquid filtering lower box part is connected with blowdown bottle by pipeline and blowoff valve, on liquid filtering Xiang right side, by pipeline, be connected with one-level absorber and the secondary absorber that structure is identical with liquid filtering case in turn.
2. the caloric value chamber SO of coal according to claim 1
2, NO
xgas absorbing device, is characterized in that: described particulate filter is equipped with the filter of filter screen in being.
3. the caloric value chamber SO of coal according to claim 1
2, NO
xgas absorbing device, is characterized in that: described water-bath filter is divided into two parts in left and right, and its right-hand component is magnesium perchlorate solution, and left-hand component is silica gel, and gas is all to import from liquid level, from liquid level, derives.
4. the caloric value chamber SO of coal according to claim 1
2, NO
xgas absorbing device, is characterized in that: described air-introduced machine right side is also provided with air-introduced machine early gate.
5. the caloric value chamber SO of coal according to claim 1
2, NO
xgas absorbing device, is characterized in that: in described liquid filtering case, caustic lye of soda body is housed, left side imports gas pipeline and is positioned under NaOH liquid level, and right side is derived gas pipeline and is positioned on NaOH liquid level.
6. the caloric value chamber SO of coal according to claim 1
2, NO
xgas absorbing device, it is characterized in that: NaOH liquid and sodium carbonate liquid are housed respectively in described single filter case and cascade filtration case, two Rose Box left sides import gas pipeline and are all positioned under liquid level, right side is derived gas pipeline and is all positioned on liquid level, simultaneously, top at two Rose Boxes is provided with sample valve by passing the pipeline of box top, on the box top above two Rose Boxes, be fixedly mounted with stirring motor, stirring motor arbor extends to two Rose Box middle parts through the end face of box top and two Rose Boxes straight down, two arbor bottoms are all fixed with the stirring rod that is positioned at liquid level below.
7. the caloric value chamber SO of coal according to claim 1
2, NO
xgas absorbing device, is characterized in that: the top of described cascade filtration case is fixed with pH meter, and pH meter detection head is positioned under cascade filtration case liquid level, and pH value detects meter reading and is partly positioned on box top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310484574.6A CN103505998B (en) | 2013-10-16 | 2013-10-16 | SO2 and NOx gas absorption device for coal heating value test room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310484574.6A CN103505998B (en) | 2013-10-16 | 2013-10-16 | SO2 and NOx gas absorption device for coal heating value test room |
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| Publication Number | Publication Date |
|---|---|
| CN103505998A true CN103505998A (en) | 2014-01-15 |
| CN103505998B CN103505998B (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310484574.6A Active CN103505998B (en) | 2013-10-16 | 2013-10-16 | SO2 and NOx gas absorption device for coal heating value test room |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106606913A (en) * | 2016-12-07 | 2017-05-03 | 南安达泰卫浴有限公司 | Dust purification equipment for furniture and building material production |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986005709A1 (en) * | 1985-04-06 | 1986-10-09 | Hoelter Heinz | Process for the cleansing of fumes |
| CN87212029U (en) * | 1987-08-24 | 1988-08-10 | 航天工业部第二研究院二一○所 | Constant-temperature type automatic calorimeter |
| CN1401998A (en) * | 2002-09-11 | 2003-03-12 | 长沙三德实业有限公司 | Improved constant temp calorimeter |
| CN202336289U (en) * | 2011-11-29 | 2012-07-18 | 中国神华能源股份有限公司 | Waste gas purifying device for laboratory oxygen bomb |
-
2013
- 2013-10-16 CN CN201310484574.6A patent/CN103505998B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986005709A1 (en) * | 1985-04-06 | 1986-10-09 | Hoelter Heinz | Process for the cleansing of fumes |
| CN87212029U (en) * | 1987-08-24 | 1988-08-10 | 航天工业部第二研究院二一○所 | Constant-temperature type automatic calorimeter |
| CN1401998A (en) * | 2002-09-11 | 2003-03-12 | 长沙三德实业有限公司 | Improved constant temp calorimeter |
| CN202336289U (en) * | 2011-11-29 | 2012-07-18 | 中国神华能源股份有限公司 | Waste gas purifying device for laboratory oxygen bomb |
Non-Patent Citations (1)
| Title |
|---|
| 闫蕙: "用恒温型自动量热仪测定煤的发热量的不确定度评定", 《煤质技术》, no. 34, 15 June 2007 (2007-06-15), pages 38 - 40 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106606913A (en) * | 2016-12-07 | 2017-05-03 | 南安达泰卫浴有限公司 | Dust purification equipment for furniture and building material production |
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| CN103505998B (en) | 2015-06-03 |
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