CN207703683U - A kind of wet desulphurization chimney simulation test apparatus - Google Patents
A kind of wet desulphurization chimney simulation test apparatus Download PDFInfo
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- CN207703683U CN207703683U CN201720975878.6U CN201720975878U CN207703683U CN 207703683 U CN207703683 U CN 207703683U CN 201720975878 U CN201720975878 U CN 201720975878U CN 207703683 U CN207703683 U CN 207703683U
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- wet desulphurization
- simulation test
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Abstract
The utility model belongs to thermal power generation flue gas harmless treatment research field, is related to a kind of wet desulphurization chimney simulation test apparatus.Including fume extractor, airflow apparatus, spray equipment, waste gas collection device, condensation liquor collecting device and central control system；The fume extractor includes the horizontal flue and vertical gas pass of inside lining anti-corrosive material, and the vertical gas pass is vertically installed in the end of horizontal flue, for simulating practical chimney；The airflow apparatus is set to the initiating terminal of horizontal flue, including pneumatic box, and the pneumatic box is mixed to form simulation air-flow with air and is conveyed to fume extractor for generating sulfur oxide gas；The wet desulphurization chimney simulation test apparatus of the utility model, it is simple in structure, smoke transportation of the coal-fired flue-gas in power plant after wet desulphurization can be simulated, emulation investigation corrosion for chimney lining anti-corrosion material, it also is used as research on environmental issues caused by coal-fired flue-gas, including gas pollution, water pollution, heavy metal pollution etc. simultaneously.
Description
Technical field
The utility model belongs to thermal power generation flue gas harmless treatment research field, is related to a kind of wet desulphurization chimney emulation
Experimental rig.
Background technology
The wet desulfurizing process of power-plant flue gas changed dramatically humiture and ambient condition in chimney.By FGD wet methods
After desulfurization, about 90%~99% SO2 is removed from flue gas in flue gas, but due to being introduced in the flue gas after desulfurization
A large amount of moisture, and flue-gas temperature is down to 50 DEG C or so.Inner wall of stack under this operating mode generates condensed water, therefore claims
For " Wet chimney ".There are washing to corrode two technical barriers with chimney emission cylinder liner under misty rain, the former protects Wet chimney from environment
Shield limitation, the latter is from the requirement of chimney stack safety and durability.Both of these problems solution is bad, may be raw in environmental assessment or safety
Thermal power plant's project, which can not check and accept, in terms of production puts into operation.So all carrying out in-depth study and practice to both of these problems both at home and abroad.
All it is needle generally for the investigation corrosion of chimney lining anti-corrosion material due to experimental condition is limited etc.
Smaller test block is carried out, the actual conditions of material large-area applications in the more difficult true engineering of reflection of test result；And
And experiment is carried out using certain single corrosive medium mostly, is not consistent with the etching condition of Practical Project.
In view of the small test block test of above-mentioned material has limitation, the problems such as chimney lining material antiseptic and chimney rain
Research, researcher must not less than in each operation or maintenance in chimney go the work that conducts a research on the spot.This method expense
It is high, inconvenient, dangerous；In addition the chimney service condition of different engineerings is different, so the data being collected into are difficult to be compared
It analyzes, therefore the theoretical research value based on these data is low, persuades force difference.
Utility model content
For the above deficiency, the wet desulphurization chimney simulation test apparatus of the utility model can simulate the combustion in power plant
Smoke transportation (flow velocity, pressure etc.) of the flue-gas after wet desulphurization, the emulation corrosion examination for chimney lining anti-corrosion material
Research is tested, while also being used as research on environmental issues caused by coal-fired flue-gas, including gas pollution, water pollution, heavy metal pollution etc..
The technical solution of the utility model is：
A kind of wet desulphurization chimney simulation test apparatus, including fume extractor, airflow apparatus, spray equipment, gas sampling
Device, condensation liquor collecting device and central control system；The fume extractor includes the horizontal flue of inside lining anti-corrosive material and vertical cigarette
Road, the vertical gas pass are vertically installed in the end of horizontal flue, for simulating practical chimney；The airflow apparatus is set to water
The initiating terminal of flat flue, including pneumatic box, the pneumatic box are mixed to form mould for generating sulfur oxide gas with air
Quasi- air-flow is conveyed to fume extractor；The spray equipment is set to the top of the close initiating terminal of horizontal flue, including tank body and
Spray tube, the tank body are used to desulfurizing agent making simulation air-flow to simulation air-flow sprinkling for storing desulfurizing agent, the spray tube
Desulfurization；The waste gas collection device is set to the upper end of the vertical gas pass, including exhaust gas collector, for collecting simulation air-flow
The exhaust gas of generation after desulfurization；The condensation liquor collecting device is set to the lower end of the vertical gas pass, including pipeline is connected
Catch tray and collecting tank, the condensate liquid for collecting the generation after simulating airflow desulphurization；The monitoring system includes monitoring device
And controller, the monitoring device be it is multiple, be respectively arranged on the inner wall of horizontal flue and vertical gas pass, and with controller phase
Even, the parameters for monitoring set position, and monitored results are transferred to the controller, the controller is for connecing
Receive simultaneously display monitoring data.
The airflow apparatus further includes wind turbine, and the wind turbine is for promoting the simulation air-flow in horizontal flue and vertical cigarette
It is flowed in road.
The monitoring device includes flowmeter, thermometer, pressure gauge, and the controller is PLC controller.
The controller is also connected with airflow apparatus and spray equipment, and pneumatic box is automatically adjusted according to the monitored results
The spray rate for simulating air-flow conveying speed, the running speed of wind turbine and spray tube, by gas flow rate, temperature, pressure in flue
Control is within the scope of certain parameter.
The parameter area is gas flow rate 15m/s-30m/s, and temperature is 40-50 DEG C, pressure 200kPa-
1000kPa。
Pneumatic box gas processed by the way of sulfur burning, gas obtained are SO2 and SO3.
The vertical gas pass height and actual stack height ratio are 1: 40, the vertical gas pass and horizontal flue diameter and reality
Border Diameter of chimney ratio is 1: 3.
The vertical gas pass height is 5 meters, a diameter of 2 meters of vertical gas pass and horizontal flue.
The vertical gas pass top is provided with vibration fan.
The exhaust gas collector is connected with pneumatic box, and the exhaust gas of collection is reused for forming simulation gas back to pneumatic box
Stream.
The technical solution of the utility model has the following advantages：
1. excellent corrosion research platform：After coal-fired flue-gas humidifying, acid condensate liquid is formed, the corruption for cylinder material of discharging fume
Erosion is very serious.After China has occurred and that a lot of smoke exhaust barrels are corroded, strength deterioration leads to the accident collapsed.For smoke exhaust barrel
Anti-corrosion methods, China also form upsurge, and various technical methods emerge in large numbers one after another, but most of actual effect one
As.With high costs, or effect is bad or even cost high effect is also bad.Main problem be most researchers and
Chemical Problem in the excessive attention corrosion of the producer, and ignore the physical problem in corrosion.The complex working condition of chimney is to lead
Cause the immediate cause of most of anti-corrosion measure failures.And this simulator can provide relatively straightforward anti-corrosion certificate authenticity,
It is an excellent corrosion research platform.It can carry out all kinds of Wet chimney correlation corrosion protection system experimental studies.
2. multipurpose：The simulator is mainly used for the emulation investigation corrosion of chimney lining anti-corrosion material, simultaneously
It also is used as research on environmental issues caused by coal-fired flue-gas, including gas pollution, water pollution, heavy metal pollution etc..
3. feasibility, convenience, economy：The simulator passes through micro, not only has simulation quality, but also be easily placed,
So that l-G simulation test more safely, conveniently, has been greatly reduced testing expenses.
4. device flexibility：It simulates air-flow in the simulator to require to allocate according to different tests, chimney internal cylinder is anti-
Rotten liner scheme is replaced also according to test requirements document, therefore can meet very more test requirements documents, has flexibility.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model wet desulphurization chimney simulation test apparatus.
Specific implementation mode
The technique effect of the design of the utility model, concrete structure and generation is made furtherly below with reference to attached drawing
It is bright, to be fully understood from the purpose of this utility model, feature and effect.
Fig. 1 is the embodiments of the present invention.
With reference to figure 1, the wet desulphurization chimney simulation test apparatus of the utility model, including fume extractor, airflow apparatus, spray
Shower device, waste gas collection device, condensation liquor collecting device and central control system.
The fume extractor includes the horizontal flue 21 and vertical gas pass 22 of inside lining anti-corrosive material, and the vertical gas pass 22 hangs down
The straight end for being set to horizontal flue 21, for simulating practical chimney；22 height of vertical gas pass is 1 with actual stack height ratio:
40, the vertical gas pass 22 and 21 diameter of horizontal flue and practical Diameter of chimney ratio are 1: 3.For example, common chimney actual height
It it is 200 meters, a diameter of 6 meters, then 22 height of vertical gas pass is 5 meters, a diameter of 2 meters of vertical gas pass 22 and horizontal flue 21.It hangs down
Straight 22 top of flue is provided with vibration fan 23, and vibration fan 23 generates vibration, simulates horizontal when practical chimney wind-engaging or earthquake
The operating mode of oscillating or vibrating, to generate the operating mode of more proper head.
The airflow apparatus is set to the initiating terminal of horizontal flue 21, including pneumatic box 11 and wind turbine 12, the pneumatic box
11 for generating sulfur oxide gas, and is mixed to form simulation air-flow with air and is conveyed to fume extractor, and pneumatic box 11 uses
The mode gas of sulfur burning, gas obtained are SO2 and SO3, and the wind turbine 12 is for promoting the simulation air-flow in level
Flowing in flue 21 and vertical gas pass 22.Simulated flue gas is the sulfur contained high temoperature flue gas simulated thermal power plant and generated.
The spray equipment is set to the top of the close initiating terminal of horizontal flue 21, including tank body 31 and spray tube 32,
The tank body 31 is used to keep simulation air-flow de- to simulation air-flow sprinkling desulfurizing agent for storing desulfurizing agent, the spray tube 32
Sulphur；Desulfurizing agent can use with thermal power plant same preparation, preferably to imitate the situation of flue gas after desulfurization, generally lime
The slurries of stone or lime, after desulfurization, about 90%~95% SO in high-temperature flue gas2It is removed from flue gas, temperature drop
To 50 ± 5 DEG C or so
The waste gas collection device is set to the upper end of the vertical gas pass 22, including exhaust gas collector 41, for collecting
Simulate the exhaust gas of the generation after airflow desulphurization；Due to still containing the SO not removed in time in exhaust gas2Gas, in order to avoid discharge
To causing environmental pollution, the exhaust gas collector 41 to be connected with pneumatic box 11 in air, the exhaust gas of collection is returned into pneumatic box
11 are reused for forming simulation air-flow.
The condensation liquor collecting device is set to the lower end of the vertical gas pass 22, including 51 He of catch tray that pipeline is connected
Collecting tank 52, the condensate liquid for collecting the generation after simulating airflow desulphurization, and measure condensate liquid gathering speed and efficiency.
The monitoring system includes monitoring device 61 and controller 62, the monitoring device 61 be it is multiple, including flowmeter,
Thermometer, pressure gauge are respectively arranged on the inner wall of horizontal flue 21 and vertical gas pass 22, and are connected with controller 62, are used for
The parameters at the set position of monitoring, and monitored results are transferred to the controller 62, the controller 62 controls for PLC
Device, for receiving simultaneously display monitoring data.
This monitoring system may be designed in Automatic monitoring systems, i.e., controller 62 also with airflow apparatus and spray equipment
It is connected, simulation air-flow conveying speed, the running speed of wind turbine 12 and the spray of pneumatic box 11 is automatically adjusted according to the monitored results
The spray rate of shower pipe 32, by gas flow rate, temperature, pressure control in flue within the scope of certain parameter.The parameter area
For gas flow rate 15m/s-30m/s, temperature is 40-50 DEG C, pressure 200kPa-1000kPa.
When the utility model wet desulphurization chimney simulation test apparatus operation after a period of time, can measure in flue
The anti-corrosion material thickness of lining, the degree and speed corroded with knowing desulfurization fume to it.The anti-corrosion material of flue lining can root
It is arranged according to demand or regularly replaces, compares the rate and degree that various anti-corrosion materials are corroded.
Disclosed above is only the embodiments of the present invention, and still, the utility model is not limited to this, any ability
What the technical staff in domain can think variation should all fall into the scope of protection of the utility model.
Claims (10)
1. a kind of wet desulphurization chimney simulation test apparatus, which is characterized in that including fume extractor, airflow apparatus, spray equipment,
Waste gas collection device, condensation liquor collecting device and central control system；The fume extractor includes the horizontal flue of inside lining anti-corrosive material
(21) and vertical gas pass (22), the vertical gas pass (22) is vertically installed in the end of horizontal flue (21), for simulating reality
Chimney；The airflow apparatus is set to the initiating terminal of horizontal flue (21), including pneumatic box (11), and the pneumatic box (11) is used for
Sulfur oxide gas is generated, and is mixed to form simulation air-flow with air and is conveyed to fume extractor；The spray equipment is set to
The top of the close initiating terminal of horizontal flue (21), including tank body (31) and spray tube (32), the tank body (31) is for storing
Desulfurizing agent, the spray tube (32) are used to desulfurizing agent making simulation airflow desulphurization to simulation air-flow sprinkling；The gas sampling dress
The upper end for being placed in the vertical gas pass (22), including exhaust gas collector (41) are installed, for collecting the production after simulating airflow desulphurization
Raw exhaust gas；The condensation liquor collecting device is set to the lower end of the vertical gas pass (22), including the catch tray that pipeline is connected
(51) and collecting tank (52), the condensate liquid for collecting the generation after simulating airflow desulphurization；Monitoring system includes monitoring device
(61) and controller (62), the monitoring device (61) are multiple, are respectively arranged at horizontal flue (21) and vertical gas pass (22)
Inner wall on, and be connected with controller (62), parameters for monitoring set position, and monitored results are transferred to institute
Controller (62) is stated, the controller (62) is for receiving simultaneously display monitoring data.
2. wet desulphurization chimney simulation test apparatus as described in claim 1, which is characterized in that the airflow apparatus further includes
Wind turbine (12), the wind turbine (12) is for promoting simulation air-flow flowing in horizontal flue (21) and vertical gas pass (22).
3. wet desulphurization chimney simulation test apparatus as described in claim 1, which is characterized in that monitoring device (61) packet
Flowmeter, thermometer, pressure gauge are included, the controller (62) is PLC controller.
4. wet desulphurization chimney simulation test apparatus as described in claim 1, which is characterized in that the controller (62) also with
Airflow apparatus is connected with spray equipment, according to the monitored results automatically adjust pneumatic box (11) simulation air-flow conveying speed,
The spray rate of the running speed and spray tube (32) of wind turbine (12), by gas flow rate, temperature, pressure control in flue certain
In parameter area.
5. wet desulphurization chimney simulation test apparatus as claimed in claim 4, which is characterized in that the parameter area is gas
Body flow velocity is 15m/s-30m/s, and temperature is 40-50 DEG C, pressure 200kPa-1000kPa.
6. wet desulphurization chimney simulation test apparatus as described in claim 1, which is characterized in that the pneumatic box (11) uses
The mode gas of sulfur burning, gas obtained are SO2And SO3。
7. wet desulphurization chimney simulation test apparatus as described in claim 1, which is characterized in that the vertical gas pass (22) is high
Degree is 1: 40 with actual stack height ratio, and the vertical gas pass (22) and horizontal flue (21) diameter are with practical Diameter of chimney ratio
1∶3。
8. wet desulphurization chimney simulation test apparatus as described in claim 1, which is characterized in that the vertical gas pass (22) is high
Degree is 5 meters, a diameter of 2 meters of vertical gas pass (22) and horizontal flue (21).
9. wet desulphurization chimney simulation test apparatus as described in claim 1, which is characterized in that vertical gas pass (22) top
End is provided with vibration fan (23).
10. wet desulphurization chimney simulation test apparatus as described in claim 1, which is characterized in that the exhaust gas collector
(41) it is connected with pneumatic box (11), the exhaust gas of collection is reused for forming simulation air-flow back to pneumatic box (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720975878.6U CN207703683U (en) | 2017-08-07 | 2017-08-07 | A kind of wet desulphurization chimney simulation test apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720975878.6U CN207703683U (en) | 2017-08-07 | 2017-08-07 | A kind of wet desulphurization chimney simulation test apparatus |
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| CN207703683U true CN207703683U (en) | 2018-08-07 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290273A (en) * | 2017-08-07 | 2017-10-24 | 中机国能电力工程有限公司 | A kind of wet desulphurization chimney simulation test apparatus |
| CN109324157A (en) * | 2018-11-15 | 2019-02-12 | 华电电力科学研究院有限公司 | Priming apparatus is used in a kind of simulated flue gas preparation method and simulated flue gas test |
| CN113295601A (en) * | 2021-05-13 | 2021-08-24 | 上海长肯试验设备有限公司 | Corrosion testing machine for chimney pipeline |
| CN114486944A (en) * | 2021-12-14 | 2022-05-13 | 中国原子能科学研究院 | Modular chimney gaseous effluent mixing uniformity research device |
-
2017
- 2017-08-07 CN CN201720975878.6U patent/CN207703683U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290273A (en) * | 2017-08-07 | 2017-10-24 | 中机国能电力工程有限公司 | A kind of wet desulphurization chimney simulation test apparatus |
| CN107290273B (en) * | 2017-08-07 | 2023-11-17 | 中机国能电力工程有限公司 | Wet flue gas desulfurization chimney simulation test device |
| CN109324157A (en) * | 2018-11-15 | 2019-02-12 | 华电电力科学研究院有限公司 | Priming apparatus is used in a kind of simulated flue gas preparation method and simulated flue gas test |
| CN109324157B (en) * | 2018-11-15 | 2023-08-18 | 华电电力科学研究院有限公司 | Simulated smoke preparation method and water adding device for simulated smoke test |
| CN113295601A (en) * | 2021-05-13 | 2021-08-24 | 上海长肯试验设备有限公司 | Corrosion testing machine for chimney pipeline |
| CN114486944A (en) * | 2021-12-14 | 2022-05-13 | 中国原子能科学研究院 | Modular chimney gaseous effluent mixing uniformity research device |
| CN114486944B (en) * | 2021-12-14 | 2023-11-10 | 中国原子能科学研究院 | Modularized chimney gaseous effluent mixing uniformity research device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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