CN107308808A - A kind of combustion gas furnace desulphurization system - Google Patents
A kind of combustion gas furnace desulphurization system Download PDFInfo
- Publication number
- CN107308808A CN107308808A CN201710624556.1A CN201710624556A CN107308808A CN 107308808 A CN107308808 A CN 107308808A CN 201710624556 A CN201710624556 A CN 201710624556A CN 107308808 A CN107308808 A CN 107308808A
- Authority
- CN
- China
- Prior art keywords
- blender
- burner hearth
- air entraining
- pulverized limestone
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000567 combustion gas Substances 0.000 title claims abstract description 13
- 235000019738 Limestone Nutrition 0.000 claims abstract description 31
- 239000006028 limestone Substances 0.000 claims abstract description 31
- 239000007789 gas Substances 0.000 claims abstract description 9
- 239000003517 fume Substances 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims description 9
- HUAUNKAZQWMVFY-UHFFFAOYSA-M sodium;oxocalcium;hydroxide Chemical compound [OH-].[Na+].[Ca]=O HUAUNKAZQWMVFY-UHFFFAOYSA-M 0.000 claims description 6
- 239000004575 stone Substances 0.000 claims description 5
- 235000002918 Fraxinus excelsior Nutrition 0.000 claims description 2
- 239000002956 ash Substances 0.000 claims description 2
- 239000003546 flue gas Substances 0.000 abstract description 24
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 17
- 238000006477 desulfuration reaction Methods 0.000 abstract description 7
- 239000007921 spray Substances 0.000 abstract description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 8
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/508—Sulfur oxides by treating the gases with solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/027—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using cyclone separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/606—Carbonates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/346—Controlling the process
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
Abstract
The present invention relates to a kind of combustion gas furnace desulphurization system, including burner hearth, end flue, cyclone separator and blender, the burner hearth is connected with the end flue, and is integrally formed；The input of the cyclone separator is connected by fume pipe with the end flue, the output of the cyclone separator is connected by air entraining pipe with the input of the blender, blower fan is provided with the air entraining pipe, the blower fan accelerates the hot gas in the air entraining pipe to enter in blender；The blender is connected with the burner hearth；The upper end of the blender is provided with pulverized limestone warehouse, and the output end of the pulverized limestone warehouse is connected with the blender.Compared with the prior art, the present invention can make fire box temperature stable by being recycled to high-temperature flue gas, lift desulfuration efficiency；Furthermore pulverized limestone sprays into burner hearth, burnt below burner hearth, can control to expect bed flameholding, reduce risk.
Description
Technical field
The present invention relates to technical field of desulfurization, more particularly to a kind of combustion gas furnace desulphurization system.
Background technology
At present, coal-burning boiler end flue gas SO2Concentration often exceeds discharging standards, it is necessary to carry out desulfurization fume SO2It is dense
Degree processing, is exactly+external desulfurzation method in stove using more method, desulfuration in furnace method, which is substantially, uses lime at present
Stone (CaCO3) powder, in burner hearth under hot conditions, lime stone (CaCO3) decompose generation lime (CaO) and CO2, CaO and SO2Instead
Should, so, the SO in flue gas2Just adsorbed and remove by CaO, so as to reach SO in reduction flue gas2The purpose of concentration.Taken off in this stove
Sulphur method is, it is necessary to using the air of elevated pressures by desulfurizing agent (CaCO3) be injected in burner hearth, in burner hearth high temperature heat radiation by
It is thermally decomposed into (CaO) and CO2, while spraying into stone flour due to air blower, also and then bring significant component of cold air into, so
Fire box temperature can be caused to decline, on the other hand, agstone sprays into burner hearth, is burnt below burner hearth, can be difficult to material bed burning
Control is stable, it may occur that the risk of material bed sinking coking, moreover, without SO2Detect SO in automaton, flue gas2Concentration does not have
Have in tracking in time, without adjustment pulverized limestone (CaO) amount in time, cause SO2The excessive danger of concentration, is unfavorable for flue gas SO2Concentration
Control stably reaching standard discharge.
The content of the invention
It is an object of the invention to provide a kind of combustion gas furnace desulphurization system, technical problem to be solved is：On the one hand due to
While air blower sprays into stone flour, also and then bring significant component of cold air into, can so cause fire box temperature to decline；It is another
Aspect agstone sprays into burner hearth, is burnt below burner hearth, and material bed burning can be made to be difficult to control to stabilization, it may occur that material bed sinks to tying
Burnt risk.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of combustion gas furnace desulphurization system, including burner hearth, end
Flue, cyclone separator and blender, the burner hearth are connected with the end flue, and are integrally formed；The cyclone separator
Input connected by fume pipe with the end flue, the output of the cyclone separator is mixed by air entraining pipe with described
Blower fan is provided with the input connection of device, the air entraining pipe, the blower fan accelerates the hot gas in the air entraining pipe to enter mixing
In device；The blender is connected with the burner hearth；The upper end of the blender is provided with pulverized limestone warehouse, the pulverized limestone warehouse
Output end connected with the blender.
The beneficial effects of the invention are as follows：By being recycled to high-temperature flue gas, fire box temperature can be made stable, lifting is de-
Sulphur efficiency；Furthermore pulverized limestone sprays into burner hearth, burnt below burner hearth, can control to expect bed flameholding, reduce risk.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, it is provided with SO on the air entraining pipe between the blower fan and the blender2Detector, the SO2Detector
Test side stretch into the air entraining pipe.
Beneficial effect using above-mentioned further scheme is：SO2Detector can detect the SO in backflow high-temperature gas in real time2
Desulfuration efficiency in concentration, regulation and control burner hearth of being easy to take measures.
Further, the output of the pulverized limestone warehouse is provided with electronic blow-off valve, the electronic blow-off valve regulation and control institute
State the output quantity of pulverized limestone warehouse sodalime powder.
Beneficial effect using above-mentioned further scheme is：Electronic blow-off valve is easy to automatically control the lime of pulverized limestone warehouse
The output quantity of powder, lifts convenience.
Further, in addition to PLC, the input of the PLC and the SO2Detector is connected by circuit
Connect, the output end of the PLC passes through connection with the electronic blow-off valve；The SO2Draw described in detector detection
The SO of tracheal strips gas2Concentration, generates SO2Concentration signal is transmitted to PLC, and the PLC is to SO2Concentration signal
Handled, generation adjustment signal is transmitted to electronic blow-off valve, and the electronic blow-off valve adjusts the lime according to adjustment signal
The output quantity of powder warehouse sodalime powder.
Beneficial effect using above-mentioned further scheme is：Pass through SO2Detector detects SO in real time2The situation of concentration, PLC
Controller controls the output quantity of pulverized limestone, pulverized limestone and SO by electronic blow-off valve in real time2Hybrid reaction according to a certain percentage, from
Dynamic control SO2Concentration reach discharge standard requirement.
Further, in addition to deduster, air-introduced machine and chimney, the input of the deduster is defeated with the end flue
Go out end connection, the output end of the deduster connected by blast pipe with the input of the air-introduced machine, the air-introduced machine it is defeated
Go out end to connect with the chimney by blast pipe.
Beneficial effect using above-mentioned further scheme is：Deduster can carry out dedusting to the flue gas that end flue is exported,
Flue gas after dedusting is expelled in chimney by air-introduced machine by blast pipe, discharges flue gas through chimney, reduces smoke pollution.
Brief description of the drawings
Fig. 1 is a kind of structural representation of combustion gas furnace desulphurization system of the invention.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, burner hearth, 2, end flue, 3, cyclone separator, 4, blender, 5, fume pipe, 6, air entraining pipe, 7, blower fan, 8, stone
Ashes warehouse, 9, SO2Detector, 10, electronic blow-off valve, 11, PLC, 12, deduster, 13, air-introduced machine, 14, chimney.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in figure 1, a kind of combustion gas furnace desulphurization system, including burner hearth 1, end flue 2, cyclone separator 3 and blender
4, the burner hearth 1 is connected with the end flue 2, and is integrally formed；The input of the cyclone separator 3 passes through fume pipe 5
Connected with the end flue 2, the output of the cyclone separator 3 is connected by the input of air entraining pipe 6 and the blender 4
It is logical, blower fan 7 is provided with the air entraining pipe 6, the blower fan 7 accelerates the hot gas in the air entraining pipe 6 to enter in blender 4；Institute
Blender 4 is stated to connect with the burner hearth 1；The upper end of the blender 4 is provided with pulverized limestone warehouse 8, the pulverized limestone warehouse 8
Output end is connected with the blender 4.
Pulverized limestone is utilized in burner hearth 1 by the SO in flue gas2SO in absorption, reduction flue gas2Concentration；Flue gas passes through end flue
Exclude, while blower fan 7 carries out exhausting, the flue gas in end flue 2 is introduced into cyclone separator 3 by fume pipe 5 and removed
Dirt, obtains clean high-temperature flue gas, and high-temperature flue gas enters blender 4 by air entraining pipe 6 and blower fan 7, and pulverized limestone warehouse 8 is to mixing
Pulverized limestone is added in device 4, blender sprays into the middle part of burner hearth 1, mixed with flue gas together after mixing high-temperature flue gas and pulverized limestone, will
SO in flue gas2Absorption, reaches SO in reduction flue gas2Concentration purpose, by being recycled to high-temperature flue gas, can make burner hearth
Temperature stabilization, lifts desulfuration efficiency；Furthermore pulverized limestone sprays into burner hearth 1, burnt below burner hearth 1, can control to expect bed flameholding,
Reduce risk.
In above-described embodiment, SO is provided with the air entraining pipe 6 between the blower fan 7 and the blender 42Detector 9, institute
State SO2The test side of detector 9 is stretched into the air entraining pipe 6.SO2Detector 9 can detect the SO in backflow high-temperature gas in real time2
Desulfuration efficiency in concentration, regulation and control burner hearth 1 of being easy to take measures.
In above-described embodiment, the output of the pulverized limestone warehouse 8 is provided with electronic blow-off valve 10, the electronic discharge
Valve 10 regulates and controls the output quantity of the sodalime powder of pulverized limestone warehouse 8.Electronic blow-off valve 10 is easy to automatically control pulverized limestone warehouse 8
The output quantity of pulverized limestone, lifts convenience.
In above-described embodiment, in addition to PLC 11, input and the SO of the PLC 112Detector
9 pass through connection by connection, the output end of the PLC 11 with the electronic blow-off valve 10；The SO2Inspection
Survey the SO that instrument 9 detects gas in the air entraining pipe 62Concentration, generates SO2Concentration signal is transmitted to PLC 11, the PLC controls
Device 11 processed is to SO2Concentration signal is handled, and generation adjustment signal is transmitted to electronic blow-off valve 10, the electronic blow-off valve 10
The output quantity of the sodalime powder of pulverized limestone warehouse 8 is adjusted according to adjustment signal.
Pass through SO2Detector 9, PLC 11 and the coordinate operation of electronic blow-off valve 10, pass through SO2Detector is detected in real time
SO2The situation of concentration, PLC 11 controls the output quantity of pulverized limestone, pulverized limestone and SO by electronic blow-off valve 10 in real time2Press
Certain ratio hybrid reaction, automatically controls SO2Concentration reach discharge standard requirement.
In above-described embodiment, in addition to deduster 12, air-introduced machine 13 and chimney 14, the input of the deduster 12 and institute
The output end connection of end flue 2 is stated, the output end of the deduster 12 passes through blast pipe and the input of the air-introduced machine 13
Connection, the output end of the air-introduced machine 13 is connected by blast pipe with the chimney 14.
Deduster 12, air-introduced machine 13 and the coordinate operation of chimney 14, deduster 12 can be carried out to the flue gas that end flue 2 is exported
Flue gas after dedusting is expelled in chimney 14 by dedusting, air-introduced machine 13 by blast pipe, discharges flue gas through chimney 14.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (5)
1. a kind of combustion gas furnace desulphurization system, it is characterised in that：Including burner hearth (1), end flue (2), cyclone separator (3) and mixed
Clutch (4), the burner hearth (1) connects with the end flue (2), and is integrally formed；The input of the cyclone separator (3)
Connected by fume pipe (5) with the end flue (2), the output of the cyclone separator (3) by air entraining pipe (6) with it is described
Blower fan (7) is provided with the input connection of blender (4), the air entraining pipe (6), the blower fan (7) accelerates the air entraining pipe
(6) hot gas in enters in blender (4)；The blender (4) connects with the burner hearth (1)；The upper end of the blender (4)
Pulverized limestone warehouse (8) is provided with, the output end of the pulverized limestone warehouse (8) is connected with the blender (4).
2. a kind of combustion gas furnace desulphurization system according to claim 1, it is characterised in that：The blower fan (7) and the blender
(4) SO is provided with the air entraining pipe (6) between2Detector (9), the SO2The air entraining pipe is stretched into the test side of detector (9)
(6) in.
3. a kind of combustion gas furnace desulphurization system according to claim 2, it is characterised in that：The output of the pulverized limestone warehouse (8)
Electronic blow-off valve (10) is provided with end, the electronic blow-off valve (10) regulates and controls the defeated of pulverized limestone warehouse (8) the sodalime powder
Output.
4. a kind of combustion gas furnace desulphurization system according to claim 3, it is characterised in that：Also include PLC (11), it is described
The input of PLC (11) and the SO2Detector (9) passes through connection, the output end of the PLC (11)
Pass through connection with the electronic blow-off valve (10)；The SO2Detector (9) detects the SO of the interior gas of the air entraining pipe (6)2
Concentration, generates SO2Concentration signal is transmitted to PLC (11), and the PLC (11) is to SO2At concentration signal
Reason, generation adjustment signal is transmitted to electronic blow-off valve (10), and the electronic blow-off valve (10) adjusts the stone according to adjustment signal
The output quantity of ashes warehouse (8) sodalime powder.
5. according to a kind of any one of Claims 1-4 combustion gas furnace desulphurization system, it is characterised in that：Also include deduster
(12), air-introduced machine (13) and chimney (14), the input of the deduster (12) and the output end of the end flue (2) connect
Logical, the output end of the deduster (12) is connected by blast pipe with the input of the air-introduced machine (13), the air-introduced machine
(13) output end is connected by blast pipe with the chimney (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710624556.1A CN107308808A (en) | 2017-07-27 | 2017-07-27 | A kind of combustion gas furnace desulphurization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710624556.1A CN107308808A (en) | 2017-07-27 | 2017-07-27 | A kind of combustion gas furnace desulphurization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107308808A true CN107308808A (en) | 2017-11-03 |
Family
ID=60175053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710624556.1A Pending CN107308808A (en) | 2017-07-27 | 2017-07-27 | A kind of combustion gas furnace desulphurization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107308808A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2512493Y (en) * | 2000-12-07 | 2002-09-25 | 淄博矿务局岭子煤矿 | Circulation fluidized bed boiler dry method desulfurizing and calcium spray device |
| CN104629809A (en) * | 2015-01-04 | 2015-05-20 | 华中科技大学 | System for preparing high-caloric-value biomass gasified gas by using high-temperature flue gas of oxygen-enriched combustion boiler |
| US20150139882A1 (en) * | 2013-11-15 | 2015-05-21 | Babcock & Wilcox Power Generation Group, Inc. | Integrated sorbent injection and flue gas desulfurization system |
| CN204865530U (en) * | 2015-08-29 | 2015-12-16 | 顾云国 | Spout calcium desulfurization low temperature denitrification facility in coal fired boiler flue gas stove |
| CN106402912A (en) * | 2016-08-30 | 2017-02-15 | 上海交通大学 | Method for alleviating stains on flue heating surface of boiler and reducing acid dew point of flue gas |
| CN206304565U (en) * | 2016-12-02 | 2017-07-07 | 云南欣城防水科技有限公司 | Asphalt flue gas treatment device |
| CN207137683U (en) * | 2017-07-27 | 2018-03-27 | 广西农垦糖业集团红河制糖有限公司 | A kind of combustion gas furnace desulphurization system |
-
2017
- 2017-07-27 CN CN201710624556.1A patent/CN107308808A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2512493Y (en) * | 2000-12-07 | 2002-09-25 | 淄博矿务局岭子煤矿 | Circulation fluidized bed boiler dry method desulfurizing and calcium spray device |
| US20150139882A1 (en) * | 2013-11-15 | 2015-05-21 | Babcock & Wilcox Power Generation Group, Inc. | Integrated sorbent injection and flue gas desulfurization system |
| CN104629809A (en) * | 2015-01-04 | 2015-05-20 | 华中科技大学 | System for preparing high-caloric-value biomass gasified gas by using high-temperature flue gas of oxygen-enriched combustion boiler |
| CN204865530U (en) * | 2015-08-29 | 2015-12-16 | 顾云国 | Spout calcium desulfurization low temperature denitrification facility in coal fired boiler flue gas stove |
| CN106402912A (en) * | 2016-08-30 | 2017-02-15 | 上海交通大学 | Method for alleviating stains on flue heating surface of boiler and reducing acid dew point of flue gas |
| CN206304565U (en) * | 2016-12-02 | 2017-07-07 | 云南欣城防水科技有限公司 | Asphalt flue gas treatment device |
| CN207137683U (en) * | 2017-07-27 | 2018-03-27 | 广西农垦糖业集团红河制糖有限公司 | A kind of combustion gas furnace desulphurization system |
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| PB01 | Publication | ||
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Application publication date: 20171103 |
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