CN203764128U - Spraying system for flue gas desulfurization accidents - Google Patents
Spraying system for flue gas desulfurization accidents Download PDFInfo
- Publication number
- CN203764128U CN203764128U CN201420187589.6U CN201420187589U CN203764128U CN 203764128 U CN203764128 U CN 203764128U CN 201420187589 U CN201420187589 U CN 201420187589U CN 203764128 U CN203764128 U CN 203764128U
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- Prior art keywords
- flue
- temperature
- absorption tower
- flue gas
- spray system
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- Expired - Fee Related
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 239000003546 flue gas Substances 0.000 title claims abstract description 74
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 30
- 230000023556 desulfurization Effects 0.000 title claims abstract description 30
- 238000005507 spraying Methods 0.000 title abstract 8
- 238000010521 absorption reaction Methods 0.000 claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 40
- 238000005259 measurement Methods 0.000 claims abstract description 7
- 239000007921 spray Substances 0.000 claims description 51
- 239000013505 freshwater Substances 0.000 claims description 46
- 239000000779 smoke Substances 0.000 claims description 39
- 239000007789 gas Substances 0.000 claims description 22
- 238000013459 approach Methods 0.000 claims description 21
- 230000005611 electricity Effects 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 14
- 238000005260 corrosion Methods 0.000 description 5
- 239000010440 gypsum Substances 0.000 description 4
- 229910052602 gypsum Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 235000019738 Limestone Nutrition 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000006028 limestone Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 102000005701 Calcium-Binding Proteins Human genes 0.000 description 1
- 108010045403 Calcium-Binding Proteins Proteins 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- 235000011132 calcium sulphate Nutrition 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920002338 polyhydroxyethylmethacrylate Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Chimneys And Flues (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model provides a spraying system for flue gas desulfurization accidents. The spraying system comprises a water spraying device, a control device, and a booster fan front flue, a booster fan, an absorption tower inlet flue, an absorption tower and an absorption tower outlet flue which are sequentially connected in series, wherein the water spraying device is connected with the absorption tower inlet flue; the control device comprises three flue gas temperature measurement devices and a distributed control system (DCS); the three flue gas temperature measurement devices are respectively arranged in the booster fan front flue or on a side wall thereof, in the absorption tower inlet flue or on a side wall thereof and in the absorption tower outlet flue or on a side wall thereof; signal output ends of the three temperature measurement devices are respectively connected with the DCS; the DCS is electrically connected with a water spraying device valve. The flue gas desulfurization accident spraying system has the beneficial effects that the flue gas temperatures at different flue positions is respectively measured by adopting the three flue gas measurement devices, the flue gas temperature is controlled through the water spraying device, the flue gas temperature in the flue can be accurately controlled, and the service life of a desulfurization tower is prolonged.
Description
Technical field
The utility model belongs to flue gas desulfurization field, especially relates to a kind of flue gas desulfurization accident spray system.
Background technology
Along with economy lasting development rapidly, atmosphere is day by day serious by the situation of sulfur dioxide severe contamination.Coal burning flue gas desulfurization (FGD) is unique approach that can reduce on a large scale sulfur dioxide (SO2) emissions now.The flue gas desulphurization system that the main thermal power plant of current China arranges adopts limestone/gypsum wet flue gas desulphurization mostly.The principle of wet flue gas desulfurization absorption tower is to utilize lime stone alkaline slurry to spray from the top down, flue gas flows from bottom to top, lime stone slurry drops in and in dropping process, absorbs the sulfur dioxide in flue gas, generate the byproducts such as gypsum, reach the object that removes the sulfur dioxide in flue gas, the flue gas of sloughing sulfur dioxide enters chimney and enters atmosphere.The sulfur dioxide taking off and water generate sulfite ion, after the oxidation wind oxidation that sulfite ion is sent into absorption tower through oxidation fan, generate sulfate ion, sulfate ion and calcium binding generate calcium sulfate, again in conjunction with two hydrones, generate calcium sulphate dihydrate crystal (gypsum crystal), after vacuum belt dewatering, send dry gypsum crystal.
For the safety that ensures boiler operatiopn is all provided with bypass, in the time that desulphurization system breaks down, flue gas can directly enter chimney by bypass and discharge, and can prevent that high-temperature flue gas from causing corrosion to desulfurizer.Current national environmental requirement increasingly stringent, according to the related request of national environmental protection portion, does not allow to arrange bypass flue when desulfurization system for thermal power plant design, and desulphurization system must be synchronizeed and carry out with main frame.General desulfurizer is provided with accident spray system to the high-temperature flue gas processing of lowering the temperature.When preventing that main frame or desulphurization system from breaking down high-temperature flue gas enter demister behind absorption tower and absorption tower and carrying out below antiseptic flue, cause anti-corrosion material to catch fire or demister burns.General desulfurizer is provided with accident spray system to the high-temperature flue gas processing of lowering the temperature.
Patent CN101125279A discloses a kind of high-temperature flue-gas controlling system of flue-gas desulfurizing engineering, be called for short FGD-HFGTC system, comprise the water spray system and the control device that are arranged in desulfurization island by-pass damper rear pass, water spray system is by water source feed pipe, electrically operated valve and sprinkler head, spray wastewater effluent pipe and outlet pipe electrically operated valve composition; Control device is programmable controller PLC or Distributed Control System DCS or other controller.Its flue gas temperature control method is, the safe temperature that can bear higher than anticorrosive coat when flue-gas temperature sets value, FGD-HFGTC system is received the external signal (instruction of desulfurization island control system or engine control system, system puts into operation automatically, control device instruction water spray system sprays water at low temperature to the high-temperature flue gas in flue, flue-gas temperature is reduced, to protect the anticorrosive coat of inner wall of stack; When external signal disappears, FGD-HFGTC system enters armed state.FGD-HFGTC system can also be protected the anticorrosive coat in desulfurization island by-pass damper rear pass simultaneously.
Utility model content
The purpose of this utility model be to provide a kind of simple in structure, reliability is high, the accurate flue gas desulfurization accident of flue-gas temperature control spray system.
The technical solution of the utility model is: flue gas desulfurization accident spray system, comprise water spray system, flue before the booster fan of control device and series connection successively, booster fan, absorption tower gas approach, absorption tower, absorption tower exhaust pass, absorption tower inner transverse is provided with cleaning solution shower, cleaning solution shower is positioned at the below of adsorption tower smoke outlet and is connected with the slurry pool of bottom, absorption tower by circulating pump, described water spray system is connected with absorption tower gas approach, wherein, described control device comprises the first smoke temperature measurement device, the second smoke temperature measurement device, the 3rd smoke temperature measurement device and DCS control system, described the first smoke temperature measurement device is arranged in the flue before booster fan or on sidewall, the second smoke temperature measurement device is arranged in the gas approach of absorption tower or on sidewall, the 3rd flue gas measurement mechanism is arranged in the exhaust pass of absorption tower or on sidewall, the first smoke temperature measurement device, the signal output part of the second smoke temperature measurement device and the 3rd temperature measuring equipment is connected with DCS control system respectively, described DCS control system is connected with water spray system valve electricity.
The utility model adopts three smoke temperature measurement devices to measure respectively flue-gas temperature in former flue-gas temperature, the absorption tower gas approach before booster fan and the flue-gas temperature in the exhaust pass of absorption tower, and measured temperature signal is passed to DCS control system.DCS control system is connected with water spray system valve, can control the switch of water spray system valve.DCS control system judges whether according to the temperature of detected three positions the spray equipment of fetching boiling water, and the temperature of any one position exceedes the setting value spray equipment valve of will fetching boiling water, and the reliability of whole flue gas desulfurization accident spray system is high.Can realize the accurate control to flue-gas temperature, prevent that high-temperature flue gas from entering absorption tower, demister and back-end ductwork and causing that anti-corrosion material or demister catch fire.
The first smoke temperature measurement device comprises three the first temperature-measuring elements, and described three the first temperature-measuring elements are arranged on the same sectional plane of flue, and the signal output part of the first temperature-measuring element is connected with DCS control system respectively.
Adopt three the first temperature-measuring elements better to improve security and the levels of precision of system.In three the first temperature-measuring elements, have two reach design temperature can open water spray equipment valve, high-temperature flue gas is sprayed to reduce to the temperature of high-temperature flue gas.Three temperature-measuring elements are arranged on the same sectional plane of flue, can detect the flue-gas temperature of flue same position, have improved the reliability of flue gas desulfurization accident spray system.
The second smoke temperature measurement device comprises three the second temperature-measuring elements, and described three the second temperature-measuring elements are arranged on the same sectional plane of flue, and the signal output part of the second temperature-measuring element is connected with DCS control system respectively.
The 3rd smoke temperature measurement device comprises three the 3rd temperature-measuring elements, and described three the 3rd temperature-measuring elements are arranged on the same sectional plane of flue, and the signal output part of the 3rd temperature-measuring element is connected with DCS control system respectively.
The first temperature-measuring element, the second temperature-measuring element and the 3rd temperature-measuring element are respectively thermal resistance temperature surveying element, the same sectional plane of flue sidewall before booster fan is provided with three the first installing holes, the absorption tower same sectional plane of gas approach sidewall is provided with three the second installing holes, the absorption tower same sectional plane of exhaust pass sidewall is provided with three the 3rd installing holes, thermal resistance temperature surveying element is arranged on respectively the first installing hole, on the second installing hole and the 3rd installing hole, the signal output part of thermal resistance measuring cell is connected with DCS control system respectively.
The first installing hole, the second installing hole and the 3rd installing hole are separately installed with sleeve pipe, one end of described sleeve pipe is connected with flue sidewall, the other end is provided with ring flange, the length of described sleeve pipe is less than the length of thermal resistance temperature surveying element, described thermal resistance temperature surveying element is provided with the flange mounting sleeve matching with ring flange, and between described ring flange and flange mounting sleeve, flange is connected.
Sleeve pipe can adopt the 316L material stainless steel of acid corrosion-resistant.Thermal resistance temperature surveying element stretches into flue by installing hole, and insertion depth 1100mm, to ensure the flue-gas temperature in Measurement accuracy flue.
Water spray system comprises fresh water (FW) pipeline, and described fresh water (FW) pipeline is connected to after booster fan on the flue before the entrance of absorption tower, and described fresh water (FW) pipeline is provided with fresh water (FW) valve, and described fresh water (FW) valve is connected with DCS control system electricity.
Described fresh water (FW) valve is operated pneumatic valve magnetic valve.
Water spray system also comprises fire water pipeline, and described fire water pipeline is connected to after booster fan on the flue before the entrance of absorption tower, and described fire water pipeline is provided with fire water valve, and described fire water valve is connected with DCS control system electricity.
Described fire water valve is operated pneumatic valve magnetic valve.
Water spray system comprises fresh water (FW) pipeline and fire water pipeline, can in the time that fresh water (FW) is not enough, adopt fire water pipeline, and that supplies water with guarantee accident spray is reliable.Operated pneumatic valve electromagnetic valve switch responsiveness can be adjusted, simple in structure, and easy care because of the damping characteristics of gas itself, is difficult for damaging because blocking in course of action, responds sensitive, safe and reliable.
Advantage and the good effect that the utlity model has are: owing to adopting technique scheme, the reliability of whole flue gas desulfurization accident spray system is high, the flue-gas temperature control of flue gas desulphurization system is more accurate, can effectively prevent that high-temperature flue gas from entering absorption tower absorption tower, demister and exhaust pass are caused to damage.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model flue gas desulfurization accident spray system
Fig. 2 is the structural representation of thermal resistance temperature surveying element
In figure:
1, the first temperature measuring equipment 2, the second temperature measuring equipment 3, the 3rd temperature measuring equipment
4, flue 5, absorption tower gas approach 6, absorption tower exhaust pass before booster fan
7, booster fan 8, absorption tower 9, fire water pipeline
10, fresh water (FW) pipeline 11, fresh water (FW) valve 12, fire water valve
13, the first temperature-measuring element 14, flange mounting sleeve 41, walling of flue
42, sleeve pipe 43, ring flange
Detailed description of the invention
As shown in Figure 1, the utility model flue gas desulfurization accident spray system, comprise water spray system, flue 4 before the booster fan of control device and series connection successively, booster fan 7, absorption tower gas approach 5, absorption tower 8, absorption tower exhaust pass 6, absorption tower 8 inner transverse are provided with cleaning solution shower, cleaning solution shower is positioned at the below of absorption tower 8 exhanst gas outlets and is connected with the slurry pool of 8 bottoms, absorption tower by circulating pump, water spray system is connected with absorption tower gas approach 6, control device comprises three smoke temperature measurement devices and DCS control system, three smoke temperature measurement devices are respectively the first smoke temperature measurement device 1, second smoke temperature measurement device 2 what the 3rd smoke temperature measurement device 3, the first smoke temperature measurement device arranges 1 before booster fan in flue 4 or on sidewall, the second smoke temperature measurement device 2 is arranged in absorption tower gas approach 5 or on sidewall, the 3rd flue gas measurement mechanism 3 is arranged in absorption tower exhaust pass 6 or on sidewall, the first smoke temperature measurement device 1, the signal output part of the second smoke temperature measurement device 2 and the 3rd temperature measuring equipment 3 is connected with DCS control system respectively, described DCS control system is connected with water spray system valve electricity.Described water spray system comprises fresh water (FW) pipeline 10 and fire water pipeline 9, fresh water (FW) pipeline 10 is connected with absorption tower gas approach 5 respectively with fire water pipeline 9, fresh water (FW) pipeline 10 is provided with fresh water (FW) valve 11, fire water pipeline 9 is provided with fire water valve 12, and fresh water (FW) valve 11 is connected with DCS control system electricity respectively with fire water valve 12.
The first smoke temperature measurement device 1 comprises three the first temperature-measuring elements 13 as shown in Figure 2, described three the first temperature-measuring elements 13 are arranged on the same sectional plane of flue, and the signal output part of each the first temperature-measuring element 13 is connected with DCS control system respectively.The first temperature-measuring element 13 can be thermal resistance temperature surveying element, before booster fan, the same sectional plane of walling of flue 41 of flue 4 is provided with three the first installing holes, the first installing hole is separately installed with sleeve pipe 42, one end of described sleeve pipe 42 is connected with walling of flue 41, the other end is provided with ring flange 43, the length of described sleeve pipe 42 is less than the length of thermal resistance temperature surveying element, described thermal resistance temperature surveying element is provided with the flange mounting sleeve 14 matching with ring flange 43, and between described ring flange 43 and flange mounting sleeve 14, flange is connected.The signal output part of thermal resistance temperature surveying element is connected with DCS control system respectively.
The set-up mode of the second smoke temperature measurement device 2 and the 3rd smoke temperature measurement device 3 is identical with the first smoke temperature measurement device 1.
The course of work of this example: when flue gas desulphurization system is started working, flue gas passes through the front flue 4 of booster fan, booster fan 7, absorption tower gas approach 5 successively, enters absorption tower 8, enters chimney discharge after 8 sprays of absorption tower by absorption tower exhaust pass 6.The first smoke temperature measurement device 1 and the second smoke temperature measurement device 2 are respectively used to measure before booster fan in flue 4 flue-gas temperature in flue-gas temperature and absorption tower gas approach 5, measurement result is uploaded to DCS control system, and DCS control system shows and the value judgement of transfiniting.When flue-gas temperature in flue before booster fan 4 exceedes 170 DEG C, time delay 10 minutes or higher than 180 DEG C, or in absorption tower gas approach 5, flue-gas temperature exceedes 160 DEG C, open fire water valve 12 or the fresh water (FW) valve 11 of the spray equipment in absorption tower gas approach 5, flue gas is lowered the temperature, prevent that the anti-corrosion material in absorption tower from catching fire.The 3rd smoke temperature measurement device 3 is for measuring the flue-gas temperature of absorption tower exhaust pass 6, measurement result is uploaded to DCS control system, DCS control system shows and the value judgement of transfiniting, if the flue-gas temperature in absorption tower exhaust pass 6 exceedes higher than 55 DEG C, DCS control system is sent instruction, automatically open fire water valve 12 or the fresh water (FW) valve 11 of spray equipment, flue gas is lowered the temperature, in case absorption tower 8 catches fire or demister burns.
Above an embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variation and improvement etc. of doing according to the utility model application range, within all should still belonging to patent covering scope of the present utility model.
Claims (10)
1. flue gas desulfurization accident spray system, comprise water spray system, flue before the booster fan of control device and series connection successively, booster fan, absorption tower gas approach, absorption tower, absorption tower exhaust pass, absorption tower inner transverse is provided with cleaning solution shower, cleaning solution shower is positioned at the below of adsorption tower smoke outlet and is connected with the slurry pool of bottom, absorption tower by circulating pump, described water spray system is connected with absorption tower gas approach, it is characterized in that: described control device comprises the first smoke temperature measurement device, the second smoke temperature measurement device, the 3rd smoke temperature measurement device and DCS control system, described the first smoke temperature measurement device is arranged in the front flue of booster fan or on sidewall, the second smoke temperature measurement device is arranged in the gas approach of absorption tower or on sidewall, the 3rd flue gas measurement mechanism is arranged in the exhaust pass of absorption tower or on sidewall, the first smoke temperature measurement device, the signal output part of the second smoke temperature measurement device and the 3rd temperature measuring equipment is connected with DCS control system respectively, described DCS control system is connected with water spray system valve electricity.
2. flue gas desulfurization accident spray system according to claim 1, it is characterized in that: described the first smoke temperature measurement device comprises three the first temperature-measuring elements, described three the first temperature-measuring elements are arranged on the same sectional plane of flue, and the signal output part of each the first temperature-measuring element is connected with DCS control system respectively.
3. flue gas desulfurization accident spray system according to claim 2, it is characterized in that: described the second smoke temperature measurement device comprises three the second temperature-measuring elements, described three the second temperature-measuring elements are arranged on the same sectional plane of flue, and the signal output part of each the second temperature-measuring element is connected with DCS control system respectively.
4. flue gas desulfurization accident spray system according to claim 3, it is characterized in that: described the 3rd smoke temperature measurement device comprises three the 3rd temperature-measuring elements, described three the 3rd temperature-measuring elements are arranged on the same sectional plane of flue, and the signal output part of each the 3rd temperature-measuring element is connected with DCS control system respectively.
5. flue gas desulfurization accident spray system according to claim 4, it is characterized in that: the first temperature-measuring element, the second temperature-measuring element and the 3rd temperature-measuring element are respectively thermal resistance temperature surveying element, the same sectional plane of flue sidewall before booster fan is provided with three the first installing holes, the absorption tower same sectional plane of gas approach sidewall is provided with three the second installing holes, the absorption tower same sectional plane of exhaust pass sidewall is provided with three the 3rd installing holes, thermal resistance temperature surveying element is arranged on respectively the first installing hole, on the second installing hole and the 3rd installing hole, the signal output part of thermal resistance temperature surveying element is connected with DCS control system respectively.
6. flue gas desulfurization accident spray system according to claim 5, it is characterized in that: described the first installing hole, the second installing hole and the 3rd installing hole are separately installed with sleeve pipe, one end of described sleeve pipe is connected with flue sidewall, the other end is provided with ring flange, the length of described sleeve pipe is less than the length of thermal resistance temperature surveying element, described thermal resistance temperature surveying element is provided with the flange mounting sleeve matching with ring flange, and between described ring flange and flange mounting sleeve, flange is connected.
7. flue gas desulfurization accident spray system according to claim 1, it is characterized in that: described water spray system comprises fresh water (FW) pipeline, described fresh water (FW) pipeline is connected with absorption tower gas approach, described fresh water (FW) pipeline is provided with fresh water (FW) valve, and described fresh water (FW) valve is connected with DCS control system electricity.
8. flue gas desulfurization accident spray system according to claim 7, is characterized in that: described fresh water (FW) valve is operated pneumatic valve magnetic valve.
9. flue gas desulfurization accident spray system according to claim 7, it is characterized in that: described water spray system also comprises fire water pipeline, described fire water pipeline is connected with absorption tower gas approach, described fire water pipeline is provided with fire water valve, and described fire water valve is connected with DCS control system electricity.
10. flue gas desulfurization accident spray system according to claim 9, is characterized in that: described fire water valve is operated pneumatic valve magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420187589.6U CN203764128U (en) | 2014-04-17 | 2014-04-17 | Spraying system for flue gas desulfurization accidents |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420187589.6U CN203764128U (en) | 2014-04-17 | 2014-04-17 | Spraying system for flue gas desulfurization accidents |
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| Publication Number | Publication Date |
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| CN203764128U true CN203764128U (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420187589.6U Expired - Fee Related CN203764128U (en) | 2014-04-17 | 2014-04-17 | Spraying system for flue gas desulfurization accidents |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107875814A (en) * | 2017-12-14 | 2018-04-06 | 芬欧汇川(中国)有限公司 | Absorption tower provided with emergency shower system |
| CN108662602A (en) * | 2018-03-13 | 2018-10-16 | 中国神华能源股份有限公司 | Method and system for the exhaust gas temperature for controlling boiler |
| CN109351157A (en) * | 2018-11-24 | 2019-02-19 | 浙江德创环保科技股份有限公司 | A kind of flue gas cool-down spray system accurately controlled |
| CN116966730A (en) * | 2023-08-18 | 2023-10-31 | 广东万引科技股份有限公司 | Accurate compound desulfurization automatic control system |
-
2014
- 2014-04-17 CN CN201420187589.6U patent/CN203764128U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107875814A (en) * | 2017-12-14 | 2018-04-06 | 芬欧汇川(中国)有限公司 | Absorption tower provided with emergency shower system |
| CN108662602A (en) * | 2018-03-13 | 2018-10-16 | 中国神华能源股份有限公司 | Method and system for the exhaust gas temperature for controlling boiler |
| CN109351157A (en) * | 2018-11-24 | 2019-02-19 | 浙江德创环保科技股份有限公司 | A kind of flue gas cool-down spray system accurately controlled |
| CN116966730A (en) * | 2023-08-18 | 2023-10-31 | 广东万引科技股份有限公司 | Accurate compound desulfurization automatic control system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20140813 |