CN204789275U - Test sprays experimental system to sulfur dioxide corrosive effects influence - Google Patents
Test sprays experimental system to sulfur dioxide corrosive effects influence Download PDFInfo
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- CN204789275U CN204789275U CN201520443904.1U CN201520443904U CN204789275U CN 204789275 U CN204789275 U CN 204789275U CN 201520443904 U CN201520443904 U CN 201520443904U CN 204789275 U CN204789275 U CN 204789275U
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Abstract
The utility model discloses a test sprays experimental system to sulfur dioxide corrosive effects influence, including the experimental box, the contrast case, SO2 air inlet pipeline and tail gas discharge line, the experimental box sets up with the contrast case is parallelly connected, the carbon steel tube bank has been put with the contrast incasement to the experimental box, the experimental box still is linked together with water jet equipment and thick liquid introducing device, electric heater has been set gradually along gas flow direction on the SO2 air inlet pipeline, SO2 detector and thermocouple, SO2 air inlet pipeline branch forms two pipelines, article one, the pipeline is linked together with the experimental box, another pipeline is linked together with the contrast case, the experimental box assembles in the tail gas discharge line with the exit end of contrast case, warm and humid acidimeter has been set gradually along gas flow direction on the tail gas discharge line, manometer and fan. This experimental system is through the situation of change of comparative experiments case with contrast incasement carbon steel pipe, and the test spraying the influence to corrosive effects, provides the experiment foundation for the selection of lime stone - gypsum method desulfurization system equipment and materials.
Description
Technical field
The utility model belongs to sulfur dioxide corrosion experimental facilities, specifically refers to a kind ofly to test the experimental system of spray to sulfur dioxide corrosion function influence.
Background technology
Sulphuric dioxide is the main source factor of acid rain, and in the process that China's industrial production technology constantly promotes, the discharge capacity of sulphuric dioxide just constantly increases, and this also makes acid rain phenomenon also more and more frequent, brings serious environmental hazard.No matter be become important influence factor from economic development or social development sulfur dioxide pollution.
The current coal-fired SO2 emissions of China account for more than 90% of sulfur dioxide (SO2) emissions total amount, and in the discharge of this part, the sulphuric dioxide of coal-burning power plant's discharge has accounted for a big chunk, so strengthening coal fired power plant flue gas desulfurization is the key improving domestic atmospheric environment.
In numerous flue gas desulfurization techniques, limestone-gypsum method is as the technique of wet desulphurization, reacted by sulphuric dioxide contained in lime washing agent or lime stone and flue gas, in cleansing solution, its reaction product calcium sulphate can precipitate, and can be undertaken reclaiming or abandoning by gypsum mode after being separated.
Contrast traditional handicraft, limestone-gypsum method not only has higher desulfuration efficiency and absorbing agent is originated comparatively horn of plenty, better economy; And its secondary product can carry out making full use of, reclaiming, and therefore receives widespread use.In the process of desulfurization method of limestone-gypsum, some sweeteners can be subject to the corrosion of different situations, select different materials also to become the key of equipment use, judge the impact of spray lime water on corrosion with regard to needing means by experiment.
Utility model content
The purpose of this utility model is to provide a kind ofly tests the experimental system of spray to sulfur dioxide corrosion function influence, this experimental system is by comparative experiments case and the situation of change contrasting carbon steel pipe in case, test spray affects situation, for the selection of desulfurization method of limestone-gypsum system equipment material provides certain experimental basis to sulfur dioxide corrosion effect.
Above-mentioned purpose of the present utility model realizes by following technical solution: a kind ofly test the experimental system of spray to sulfur dioxide corrosion function influence, it is characterized in that: described experimental system comprises experimental box, contrast case, SO
2air inlet pipeline and exhaust emission tube road, described experimental box and contrast case are arranged in parallel, the carbon steel tube bank that experimental box is identical with being all built-in with structure in contrast case, experimental box is also connected with water injector and slurries introducing device, and water injector has nozzle, nozzle is positioned at experimental box, for spraying tap water to the carbon steel tube bank in experimental box, slurries introducing device also has nozzle, and nozzle is also positioned at experimental box, for spraying lime stone slurry, described SO to the carbon steel tube bank in experimental box
2air inlet pipeline is disposed with electric heater, SO along gas flow direction
2detector and thermopair, be also connected with temperature controller between electric heater and thermopair, described SO
2air inlet pipeline forms two pipelines in the branch of entrance point place near experimental box and contrast case, article one, pipeline is connected with the entrance point of experimental box, another pipeline is connected with the entrance point contrasting case, these two pipelines are provided with valve, the endpiece of experimental box and contrast case converges at the entrance point on described exhaust emission tube road respectively by a pipeline, exhaust emission tube way outlet end is connected with exhaust gas processing device, and described exhaust emission tube road is disposed with Hygrothermograph, tensimeter, valve and blower fan along gas flow direction.
In the utility model, described slurries introducing device comprises slurries introduction pipeline, slush pump and serum pot, and slurries delivery side of pump is connected with slurries introduction pipeline, and input end is connected with serum pot, is also built-in with stirrer in described serum pot.
In the utility model, described stirrer is fixed stirrer.
In the utility model, described thermopair is armoured thermocouple.
In the utility model, described experimental box and contrast case are provided with outage in bottom, and outage is connected with discharging tube, and discharging tube is provided with valve.
In the utility model, described exhaust emission tube road has one section of bending pipeline section on the pipeline section between entrance point and Hygrothermograph, and this bending pipeline section is the elbow that catchments.
The SO that experimental system is used
2pass through SO
2air inlet tube passes into the SO of experimental system
2air inlet pipeline, then enters in experimental box and contrast case, works as SO
2detector detects SO
2when concentration reaches 800ppm, close SO
2the valve of air inlet tube; Open blower fan, make to add SO
2air flow in experimental system; All support is installed in experimental box and contrast case, for supporting experiment carbon steel pipe used, the lime stone slurry that mass percent is about about 40% is sprayed by spray equipment, spray equipment sprayed once by nozzle every one hour in experimental box, was sprayed once after slurries spray when ten minutes with tap water by nozzle.Slurries introducing device is used for lime stone slurry used for experiment to introduce in experimental box.The lower surface of experimental box and contrast case is all provided with tapping valve for discharging the hydrops in casing.
Electric heater is by the gas-heated in pipeline, the gas temperature at armoured thermocouple experiments of measuring case and contrast tank inlet place, start heating when the temperature measured controls electric heater lower than temperature controller when 55 degree, stop heating when the temperature measured controls electric heater higher than temperature controller when 65 degree.Gas flows through the elbow that catchments after flowing out experimental box and contrast case, and the elbow that catchments, for collecting the condensate water of condensing, gets rid of the condensate water of collecting after a while by the valve under the elbow that catchments.When experiment stops, by pipeline, gas is caused exhaust gas processing device.
When this experimental system is tested, be mixed with SO
2air flow in experimental system, electric heater is to SO
2gas heats, SO
2gas causes corrosive attack to the carbon steel tube bank in case when flowing through experimental box and contrast case, spray lime stone slurry and tap water in experimental box, then gas is directed to exhaust gas processing device and processes, test to spray by comparative experiments case and the situation of change contrasting carbon steel pipe in case and situation is affected, for the selection of desulfurization method of limestone-gypsum system equipment material provides certain experimental basis to corrosive attack.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
Fig. 1 is the one-piece construction schematic diagram of the utility model test spray to the experimental system of sulfur dioxide corrosion function influence.
Description of reference numerals:
1-experimental box, 2-contrasts case, 3-electric heater, 4-SO
2detector, 5-thermopair, 6-temperature controller,
7-SO
2air inlet tube, 8-SO
2reserved adapter, 9-discharging tube, 10-water injector, 11-slurries introduction pipeline,
12-slush pump, 13-serum pot, 14-stirrer, 15-Hygrothermograph, 16-tensimeter, 17-blower fan,
18-exhaust gas processing device, 101-SO
2air inlet pipeline, 102-exhaust emission tube road, 102a-catchments elbow,
Embodiment
As shown in Figure 1 a kind of tests the experimental system of spray to sulfur dioxide corrosion function influence, this experimental system for desulfurization method of limestone-gypsum devices in system Material selec-tion problem and propose, for the selection of desulfurization method of limestone-gypsum system equipment material provides certain experimental basis.
This experimental system comprises experimental box 1, contrast case 2, SO
2air inlet pipeline 101 and exhaust emission tube road 102, experimental box 1 and contrast case 2 are arranged in parallel, experimental box 1 and contrast case 2 are provided with outage in bottom, outage is connected with discharging tube 9, discharging tube 9 is provided with valve, the carbon steel tube bank that experimental box 1 is identical with being all built-in with structure in contrast case 2, experimental box 1 is also connected with water injector 10 and slurries introducing device, water injector 10 has nozzle, nozzle is positioned at experimental box 1, for spraying tap water to the carbon steel tube bank in experimental box 1, slurries introducing device also has nozzle, nozzle is also positioned at experimental box 1, for spraying lime stone slurry to the carbon steel tube bank in experimental box 1, SO
2air inlet pipeline 101 and SO
2air inlet tube 7 is connected, SO
2air inlet pipeline 101 also with two-way SO
2reserved adapter 8 is connected, SO
2reserved adapter 8 is as SO
2supplementing of air inlet, this road SO
2air inlet tube 7 and two-way SO
2reserved adapter 8 is provided with valve.
SO
2air inlet pipeline 101 is disposed with electric heater 3, SO along gas flow direction
2detector 4 and thermopair 5, thermopair 5 is armoured thermocouple, is also connected with temperature controller 6, SO between electric heater 3 and thermopair 5
2air inlet pipeline 101 forms two pipelines in the branch of entrance point place near experimental box 1 and contrast case 2, article one, pipeline is connected with the entrance point of experimental box 1, another pipeline is connected with the entrance point contrasting case 2, these two pipelines are provided with valve, the endpiece of experimental box 1 and contrast case 2 converges at the entrance point on exhaust emission tube road 102 respectively by a pipeline, the endpiece on exhaust emission tube road 102 is connected with exhaust gas processing device 18.
Exhaust emission tube road 102 is disposed with Hygrothermograph 15, tensimeter 16, valve and blower fan 17 along gas flow direction, exhaust emission tube road 102 has one section of bending pipeline section on the pipeline section between entrance point and Hygrothermograph 15, this bending pipeline section is the elbow 102a that catchments, catchmenting elbow 102a for collecting the condensate water of condensing, being got rid of the condensate water of collecting after a while by the valve under the elbow 102a that catchments.
The lime stone slurry reacting required in experimental box is introduced by slurries introducing device, this slurries introducing device comprises slurries introduction pipeline 11, slush pump 12 and serum pot 13, the output terminal of slush pump 12 is connected with slurries introduction pipeline, input end is connected with serum pot 13, also be built-in with stirrer 14 in serum pot 13, this stirrer 14 is fixed stirrer.The discharging tube 9 of experimental box 1 is for the ponding that may will exist in case and SO
2draw with the reacted slurries of lime stone, the discharging tube 9 of contrast case 2 is for drawing the ponding that may exist in contrast case 2.
When this experimental system is tested, be mixed with SO
2air from SO
2air inlet pipeline 101 enters, and flows in experimental system, and electric heater is to SO
2gas heats, SO
2gas causes corrosive attack to the carbon steel tube bank in case when flowing through experimental box and contrast case, spray lime stone slurry and tap water in experimental box, then gas is directed to exhaust gas processing device and processes, test to spray by comparative experiments case and the situation of change contrasting carbon steel pipe in case and situation is affected, for the selection of desulfurization method of limestone-gypsum system equipment material provides certain experimental basis to corrosive attack.
Above-described embodiment of the present utility model is not the restriction to the utility model protection domain; embodiment of the present utility model is not limited thereto; all this kind is according to foregoing of the present utility model; according to ordinary technical knowledge and the customary means of this area; do not departing under the utility model above-mentioned basic fundamental thought prerequisite; to the amendment of other various ways that the utility model said structure is made, replacement or change, all should drop within protection domain of the present utility model.
Claims (6)
1. test the experimental system of spray to sulfur dioxide corrosion function influence, it is characterized in that: described experimental system comprises experimental box (1), contrast case (2), SO
2air inlet pipeline (101) and exhaust emission tube road (102), described experimental box (1) and contrast case (2) are arranged in parallel, the carbon steel tube bank that experimental box (1) is identical with being all built-in with structure in contrast case (2), experimental box (1) is also connected with water injector (10) and slurries introducing device, water injector (10) has nozzle, nozzle is positioned at experimental box (1), for spraying tap water to the carbon steel tube bank in experimental box (1), slurries introducing device also has nozzle, nozzle is also positioned at experimental box (1), for spraying lime stone slurry to the carbon steel tube bank in experimental box (1), described SO
2air inlet pipeline (101) is disposed with electric heater (3), SO along gas flow direction
2detector (4) and thermopair (5), be also connected with temperature controller (6), described SO between electric heater (3) and thermopair (5)
2air inlet pipeline (101) forms two pipelines in the branch of entrance point place near experimental box (1) and contrast case (2), article one, pipeline is connected with the entrance point of experimental box (1), another pipeline is connected with the entrance point contrasting case (2), these two pipelines are provided with valve, the endpiece of experimental box (1) and contrast case (2) converges at the entrance point of described exhaust emission tube road (102) respectively by a pipeline, the endpiece on exhaust emission tube road (102) is connected with exhaust gas processing device (18), described exhaust emission tube road (102) is disposed with Hygrothermograph (15) along gas flow direction, tensimeter (16), valve and blower fan (17).
2. the experimental system of test spray according to claim 1 to sulfur dioxide corrosion function influence, it is characterized in that: described slurries introducing device comprises slurries introduction pipeline (11), slush pump (12) and serum pot (13), the output terminal of slush pump (12) is connected with slurries introduction pipeline, input end is connected with serum pot (13), is also built-in with stirrer (14) in described serum pot (13).
3. the experimental system of test spray according to claim 2 to sulfur dioxide corrosion function influence, is characterized in that: described stirrer (14) is fixed stirrer.
4. the experimental system of test spray according to claim 1 to sulfur dioxide corrosion function influence, is characterized in that: described thermopair (5) is armoured thermocouple.
5. the experimental system of test spray according to claim 1 to sulfur dioxide corrosion function influence, it is characterized in that: described experimental box (1) and contrast case (2) are provided with outage in bottom, outage is connected with discharging tube (9), and (9) are provided with valve to discharging tube.
6. the experimental system of test spray according to claim 1 to sulfur dioxide corrosion function influence, it is characterized in that: described exhaust emission tube road (102) pipeline section between entrance point and Hygrothermograph (15) has one section of bending pipeline section being positioned at, and this bending pipeline section is the elbow that catchments (102a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520443904.1U CN204789275U (en) | 2015-06-24 | 2015-06-24 | Test sprays experimental system to sulfur dioxide corrosive effects influence |
Applications Claiming Priority (1)
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|---|---|---|---|
| CN201520443904.1U CN204789275U (en) | 2015-06-24 | 2015-06-24 | Test sprays experimental system to sulfur dioxide corrosive effects influence |
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|---|---|
| CN204789275U true CN204789275U (en) | 2015-11-18 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515191A (en) * | 2017-09-12 | 2017-12-26 | 国网天津市电力公司电力科学研究院 | Power transmission and transforming equipment atmospheric corrosion of metal materials evaluating apparatus |
| CN109283023A (en) * | 2018-11-06 | 2019-01-29 | 华北电力大学（保定） | The experimental provision and application method that simulated flue gas content influences sulfur trioxide concentration |
| CN113295602A (en) * | 2021-05-13 | 2021-08-24 | 上海长肯试验设备有限公司 | Agricultural bottom film comprehensive aging test device |
| CN113466118A (en) * | 2021-07-02 | 2021-10-01 | 兰州城市学院 | Corrosion test device for petroleum conveying equipment |
-
2015
- 2015-06-24 CN CN201520443904.1U patent/CN204789275U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515191A (en) * | 2017-09-12 | 2017-12-26 | 国网天津市电力公司电力科学研究院 | Power transmission and transforming equipment atmospheric corrosion of metal materials evaluating apparatus |
| CN109283023A (en) * | 2018-11-06 | 2019-01-29 | 华北电力大学（保定） | The experimental provision and application method that simulated flue gas content influences sulfur trioxide concentration |
| CN109283023B (en) * | 2018-11-06 | 2024-04-16 | 华北电力大学（保定） | Experimental device for simulating influence of smoke content on sulfur trioxide concentration and application method |
| CN113295602A (en) * | 2021-05-13 | 2021-08-24 | 上海长肯试验设备有限公司 | Agricultural bottom film comprehensive aging test device |
| CN113466118A (en) * | 2021-07-02 | 2021-10-01 | 兰州城市学院 | Corrosion test device for petroleum conveying equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 |