CN201031196Y - Fine material conveying and blowing device used for float glass kiln - Google Patents
Fine material conveying and blowing device used for float glass kiln Download PDFInfo
- Publication number
- CN201031196Y CN201031196Y CNU2007200847691U CN200720084769U CN201031196Y CN 201031196 Y CN201031196 Y CN 201031196Y CN U2007200847691 U CNU2007200847691 U CN U2007200847691U CN 200720084769 U CN200720084769 U CN 200720084769U CN 201031196 Y CN201031196 Y CN 201031196Y
- Authority
- CN
- China
- Prior art keywords
- powder
- fluidisation
- winding
- pipeline
- float glass
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a powder conveying blowing device for a float-glass kiln, belonging to the application in the float-glass kiln, and is characterized in that a dust feed pipeline (1) is connected with a pollen cabin (3), a fluidizer (23) is installed on the pollen cabin (3), the pollen cabin (3) is connected with a powder eccentricity screen (6) through a first blanking pipe (5), the powder eccentricity screen (6) is connected with a powder blowing tank (9) through a second blanking pipe (7), the bottom of the powder blowing tank (9) is connected with a dusting pipeline (11) through a fluidization conveyer (10), the other end of the dusting pipeline (11) is connected with a powder distributor (16), the other end of the powder distributor (16) is connected with a powder blowing pipe (17), and an outlet of the powder blowing pipe (17) is connected with a powder blow gun (18). The powder conveying system of the device is stable in blowing, the powder is evenly mixed with air and is fully burnt, the power of each blow gun is evenly distributed, and the fire-invasion length of the powder in the float-glass kiln can be adjusted.
Description
Technical field
The utility model relates to sheet glass and makes the field, particularly relates to the application in float glass furnace.
Background technology
Present domestic float glass furnace mainly is a winding-up heavy oil heating kiln, and for energy-saving and cost-reducing, the demestic user is seeking coal dust always, petroleum coke powder replaces heavy oil.The equipment of winding-up powder mainly adopts storage powder storehouse, powder winding-up jar, and a screw feeder is established in a powder winding-up jar bottom, and by the winding-up pipeline powder of jetting in float glass furnace, a winding-up house steward is divided into several winding-up arms and distributes powder with gas blower.When this technology is jetted powder in float glass furnace, the winding-up process is discontinuous, unstable, easily produce pulse, powder operational throughput size is wayward, every the rifle amount of dusting maldistribution, powder can not mix fully with combustion air, the uncontrollable finished glass downgrade that causes of temperature in powder incomplete combustion and the glass melter.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of powder that is used for float glass furnace to carry blowing device, the powder delivery system winding-up of this device is stable, powder and air mixed evenly, the sunken adjustable length of powder fire in powder sufficient combustion, each spray gun powder distributed uniform and the float glass furnace.
The technical solution of the utility model is: this device comprises pulverized coal feed pipe 1, storage powder storehouse 3, first tremie pipe 5, second tremie pipe 7, powder winding-up jar 9, pipeline 11 dusts, winding-up arm 17 and powder material spray gun 18, it is characterized in that: pulverized coal feed pipe 1 is connected to storage powder storehouse 3, be equipped with fluidizer 23 on the storage powder storehouse 3, first tremie pipe 5 that passes through in storage powder storehouse 3 is connected to powder eccentric screen 6, powder eccentric screen 6 is connected to powder winding-up jar 9 by second tremie pipe 7, powder winding-up jars 9 is connected to the pipeline 11 that dusts by fluidisation handling machinery 10, the other end of pipeline 11 of dusting is connected to powder distributor 16, the other end of powder distributor 16 is connected to powder winding-up pipe 17, and the outlet of powder winding-up pipe 17 is connected to powder material spray gun 18.
In this device, described powder distributor 16 and dusting is connected to mixing tank 28 and device 15 at the uniform velocity between the pipeline 11.
In this device, the geometrical length of the described arm 17 of respectively jetting equates, is connected to fire on the winding-up arm 17 and falls into length adjustment pipeline 26.
With the systematic comparison of traditional float glass furnace winding-up powder, the major advantage of this device:
(1) powder adopts the suspension fluidization to carry, the powder delivery system winding-up is continuous, stable, pulse free, powder in the fluidisation handling machinery with delivery medium (pressurized air or nitrogen) thorough mixing, according to the amount of the dusting size adjustment fluidized gas scale of construction, guarantee powder and air mixed adjustable ratio, powder is good in float glass furnace internal combustion performance, the powder sufficient combustion.
(2) powder adopts positive delivery in the winding-up arm, regulates compressed air require and can regulate the combustion flame length of powder in float glass furnace.
(3) the fluidisation facility is established in storage tapering, powder storehouse, and the powder blanking is smooth and easy, and not arch camber is not stopped up.
(4) the powder eccentric screen is established in storage bottom, powder storehouse, screens out foreign material in the powder, prevents to stop up the pipeline that dusts.
(5) the powder injection system adopts at the uniform velocity device, powder distributor and the equal measure of arm geometric distance that guarantees respectively to jet, and makes each spray gun powder distribute winding-up evenly.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Number in the figure explanation: 1. pulverized coal feed pipe, 2. top, storehouse filter collector, 3. storage powder storehouse, 4. store powder storehouse fluidisation pipeline, 5. first tremie pipe, 6. powder eccentric screen, 7. second tremie pipe, 8. rubber compensator, 9. powder winding-up jar, 10. fluidisation handling machinery, 11. pipelines that dust, 12. pressurising pipelines, 13. the fluidisation pipeline, 14. diffuse channels, 15. devices at the uniform velocity, 16. powder distributor, 17. winding-up arms, 18. powder material spray guns, 19. diffuse strainer, 20. fluidisation mouths, 23. fluidizers, 24. LOAD CELLS, 25. the purging pipeline, 26. fire fall into length adjustment pipeline, 27. safety valve strainers, 28 mixing tanks, 32 float glass furnaces.
Fig. 2 is a top discharge fluidisation structure for conveying synoptic diagram.
Fig. 3 is a bottom discharge fluidisation structure for conveying synoptic diagram.
Fig. 4 is mixing tank 28 structural representations.
Embodiment
The constitutional features that is used for the powder conveying blowing device of float glass furnace:
As shown in Figure 1, this device comprises pulverized coal feed pipe 1, storage powder storehouse 3, first tremie pipe 5, second tremie pipe 7, powder winding-up jar 9, pipeline 11 dusts, winding-up arm 17 and powder material spray gun 18, it is characterized in that: pulverized coal feed pipe 1 is connected to storage powder storehouse 3, be equipped with fluidizer 23 on the storage powder storehouse 3, first tremie pipe 5 that passes through in storage powder storehouse 3 is connected to powder eccentric screen 6, powder eccentric screen 6 is connected to powder winding-up jar 9 by second tremie pipe 7, powder winding-up jars 9 is connected to the pipeline 11 that dusts by fluidisation handling machinery 10, the other end of pipeline 11 of dusting is connected to powder distributor 16, the other end of powder distributor 16 is connected to powder winding-up pipe 17, and the outlet of powder winding-up pipe 17 is connected to powder material spray gun 18.
The explanation of each equipment in this device:
Structure steel fabrication is adopted in storage powder storehouse 3, inner wall smooth, and safety anti-explosive valve interface and maintenance hand-hole are established in top.
Fluidizer 23 is installed in the hypocone in storage powder storehouse 3, and the effect of fluidizer 23 is to make powder be fluidized state, helps powder and falls the powder winding-up jar 9 from storage powder storehouse 3.Two ports of fluidisation pipe 4 are connected to the bottom in fluidizer 23 and storage powder storehouse 3 respectively.The main effect of fluidisation pipe 4 is to eliminate storage powder storehouse canopy coal.
The top in storage powder storehouse 3 can be provided with dust removal filter 2, and dust removal filter 2 comprises housing, pulse blowing valve, dust removal filter cloth, keel and pipe arrangement.Dust removal filter 2 can be removed the dust of powder effectively.
Powder eccentric screen 6 comprises housing, screen cloth, excentric shaft, transmission mechanism and hand hole.Main effect is the foreign material of removing in the powder such as wood chip, prevents the line clogging of dusting.
Can connect rubber compensator 8 between second tremie pipe 7 and the powder winding-up jar 9, rubber compensator 8 can be eliminated pipeline blind plate power, and is accurate to guarantee weighing.
Powder winding-up jars 9 belongs to pressurized vessels, and tank body top is equipped with pressurising pipeline 12, diffuses strainer 19, safety valve strainer 27, and the hypocone of powder winding-up jars 9 is equipped with fluidisation mouth 20, and fluidisation mouth 20 links to each other with fluidisation pipeline 13.Fluidizing agent is delivered into fluidisation mouth 20 by fluidisation pipeline 13, makes powder winding-up jar 9 interior powders be in suspended state, helps the conveying of powder.Diffusing strainer 19 tops links to each other with storage powder storehouse 3 by diffuse channel 14.Safety valve strainer 27, the effect of diffusing strainer 19 are the content that reduces powder in the emission gases, help environment protection.The tank body upper limb of powder winding-up jar 9 also is equipped with LOAD CELLS 24.
Fluidisation handling machinery 10 comprises powders flowing purification bed, gas distributing device and pipe arrangement.The main effect of fluidisation handling machinery is to make powder form suspended state, help to jet smoothly powder, in addition, fluidisation handling machinery 10 is according to the structure formation difference, be divided into the structure that two kinds of fluidisations of top discharge and bottom discharge are carried again: the structure that the top discharge fluidisation is carried as shown in Figure 2, the upper interface 29 of fluidisation handling machinery tank body 21 links to each other with powder winding-up jar 9 bottoms, the middle part or the top of fluidisation handling machinery tank body 21 are equipped with powder outlet 30, powder outlet 30 links to each other with the pipeline 11 that dusts, the bottom of fluidisation handling machinery tank body 21 is equipped with compressed air inlet 31, and compressed air inlet 31 links to each other with fluidisation transfer lime 13; The structure that bottom discharge is carried as shown in Figure 3, the upper interface 29 of fluidisation handling machinery tank body 21 links to each other with powder winding-up jar 9 bottoms, the bottom of fluidisation handling machinery tank body 22 is equipped with powder outlet 30, powder outlet 30 links to each other with the pipeline 11 that dusts, the middle part of fluidisation handling machinery tank body 22 is equipped with compressed air inlet 31, and compressed air inlet 31 links to each other with fluidisation transfer lime 13.
It is smooth and easy that the structure that the top discharge fluidisation is carried has defeated powder, the transportation concentration advantages of higher, but device height is higher relatively, and arrangement space is had certain requirement; The equipment that structure adopted that the bottom discharge fluidisation is carried is simpler, and it is little to take up room, and be easy to arrange, but defeated powder stability is poor slightly, can adopt supplementary means to solve.Powder in fluidisation handling machinery 10 with delivery medium (pressurized air or nitrogen) thorough mixing, according to the amount of the dusting size adjustment fluidized gas scale of construction, guarantee powder and air mixed adjustable ratio, powder is good in float glass furnace internal combustion performance, the powder sufficient combustion.
Purge pipeline 25 and be connected on the pipeline 11 that dusts, the main effect that purges pipeline 25 is to prevent that pulverized coal feed pipe from stopping up or eliminating line clogging.The source of the gas that adopts is pressurized air or nitrogen.
Powder distributor 16 adopts wear-resistant material to make, and inside is provided with powder uniformly distributing awl, the ceramic wear-resisting pipe is installed on top, and the assignment accuracy of the arm that guarantees respectively to jet is distributed error≤± 5%.
Dusting to connect mixing tank 28 and device 15 at the uniform velocity between pipeline 11 and the powder distributor 16, mixing tank 28 can promote the thorough mixing of powder, and at the uniform velocity device 15 can improve the powder flow state, helps even winding-up, eliminates pulsation.The structure of mixing tank 28 as shown in Figure 4.Mixing tank 28 is provided with opening for feed 33, discharge port 34 and inlet mouth 35, and mixing tank 28 inside are provided with the fluidisation air chamber, play the secondary mixing effect, and the may command flow that dusts.
Fire falls into length adjustment pipeline 26 and directly is connected with winding-up arm 17, and pressurized air is regulated pipeline 26 by the length of flame and entered winding-up arm 17.Powder adopts positive delivery in winding-up arm 17, can regulate the combustion flame length of powder in float glass furnace by regulating compressed-air actuated flow.The geometrical length of all winding-up arms 17 equates.
Powder material spray gun 18: adopt blast furnace dust the wear-resistant ceramic spray gun or the stainless steel tube spray gun of usefulness.
Principle of work:
As shown in Figure 1, coal dust carries powder to storage powder storehouse 3 by pulverized coal feed pipe 1, carries gas to discharge by top, storehouse filter collector 2.After powder in the storage powder storehouse 3 is store tapering, powder storehouse fluidizer fluidisation, be discharged to powder eccentric screen 6 by first tremie pipe 5, powder filters the back through powder eccentric screen 6 and is discharged to powder winding-up jar 9 by second tremie pipe 7 and rubber compensator 8, powder in the powder winding-up jar 9 is after 12 pressurisings of pressurising pipeline and fluidisation handling machinery 10 fluidisations by its bottom, again by dust pipeline 11 and on mixing tank 28, at the uniform velocity device 15 is transported to powder distributor 16, to each winding-up arm 17, each arm 17 length of jetting is identical with the powder uniformly distributing for powder distributor 16.Powder is sprayed onto in the float glass furnace 32 by winding-up arm 17 and powder material spray gun 18 then, and every jar of powder was jetted 20 minutes.After winding-up finished, powder winding-up jar passed through diffuse channel 14 pressure releases, charging again, pressurising, wait, winding-up after pressure release finishes, and systemic circulation is worked continuously.Principle of work when powder is petroleum coke powder and the situation of powder are identical.
This system adopts the storage powder storehouse of sealing and powder winding-up jar, is transported to the injection system powder all the time airtight environment from powder, and top, storehouse filter collector emission concentration is less than 30mg/m on the storage powder storehouse
3, system can adopt nitrogen or compressed air spraying, does not have other obnoxious flavoures in the production and enters in the atmosphere, and environmental protection effect is good.
Claims (10)
1. the powder that is used for float glass furnace is carried blowing device, comprise pulverized coal feed pipe (1), storage powder storehouse (3), first tremie pipe (5), second tremie pipe (7), powder winding-up jar (9), pipeline (11) dusts, winding-up arm (17) and powder material spray gun (18), it is characterized in that: pulverized coal feed pipe (1) is connected to storage powder storehouse (3), be equipped with fluidizer (23) on the storage powder storehouse (3), storage powder storehouse (3) is connected to powder eccentric screen (6) by first tremie pipe (5), powder eccentric screen (6) is connected to powder winding-up jar (9) by second tremie pipe (7), powder winding-up jar (a 9) bottom is connected to the pipeline that dusts (11) by fluidisation handling machinery (10), the other end of pipeline (11) of dusting is connected to powder distributor (16), the other end of powder distributor (16) is connected to powder winding-up pipe (17), and the outlet of powder winding-up pipe (17) is connected to powder material spray gun (18).
2. the powder that is used for float glass furnace as claimed in claim 1 is carried blowing device, and it is characterized in that: top, described storage powder storehouse (3) is equipped with top, storehouse filter collector (2).
3. the powder that is used for float glass furnace as claimed in claim 1 is carried blowing device, it is characterized in that: be connected to rubber compensator (8) between described second tremie pipe (7) and the powder winding-up jar (9).
4. the powder that is used for float glass furnace as claimed in claim 1 is carried blowing device, it is characterized in that: described fluidizer (23) is installed in the hypocone in storage powder storehouse (3), and two ports of fluidisation pipe (4) are connected to the bottom in fluidizer (23) and storage powder storehouse (3) respectively.
5. the powder that is used for float glass furnace as claimed in claim 1 is carried blowing device, it is characterized in that: be equipped with pressurising pipeline (12) in the described powder winding-up jar (9), diffuse strainer (19), safety valve strainer (27), LOAD CELLS (24), fluidisation mouth 20, diffuse strainer (19) and receive storage powder storehouse (3) by diffuse channel (14), fluidisation mouth (20) links to each other with fluidisation pipeline (13).
6. the powder that is used for float glass furnace according to claim 1 is carried blowing device, it is characterized in that: be connected to mixing tank (28) and device (15) at the uniform velocity between described powder distributor (16) and the pipeline that dusts (11).
7. the powder that is used for float glass furnace according to claim 1 is carried blowing device, it is characterized in that: be connected on the described pipeline that dusts (11) and purge pipeline (25).
8. the powder that is used for float glass furnace according to claim 1 is carried blowing device, it is characterized in that: the geometrical length of the described arm (17) of respectively jetting equates, is connected to fire on the winding-up arm (17) and falls into length adjustment pipeline (26).
9. the powder that is used for float glass furnace according to claim 1 is carried blowing device, it is characterized in that, the structure that described fluidisation handling machinery (10) adopts the top discharge fluidisation to carry, the upper interface (29) of fluidisation handling machinery tank body (21) links to each other with powder winding-up jar (a 9) bottom, the middle part of fluidisation handling machinery tank body (21) or top are equipped with powder outlet (30), powder outlet (30) links to each other with the pipeline that dusts (11), the bottom of fluidisation handling machinery tank body (21) is equipped with compressed air inlet (31), and compressed air inlet (31) link to each other with fluidisation transfer lime (13).
10. the powder that is used for float glass furnace according to claim 1 is carried blowing device, it is characterized in that, the structure that described fluidisation handling machinery (10) adopts the bottom discharge fluidisation to carry, the upper interface (29) of fluidisation handling machinery tank body (22) links to each other with powder winding-up jar (a 9) bottom, the bottom of fluidisation handling machinery tank body (22) is equipped with powder outlet (30), powder outlet (30) links to each other with the pipeline that dusts (11), the middle part of fluidisation handling machinery tank body (22) is equipped with compressed air inlet (31), and compressed air inlet (31) link to each other with fluidisation transfer lime (13).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007200847691U CN201031196Y (en) | 2007-05-17 | 2007-05-17 | Fine material conveying and blowing device used for float glass kiln |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007200847691U CN201031196Y (en) | 2007-05-17 | 2007-05-17 | Fine material conveying and blowing device used for float glass kiln |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201031196Y true CN201031196Y (en) | 2008-03-05 |
Family
ID=39163090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2007200847691U Expired - Fee Related CN201031196Y (en) | 2007-05-17 | 2007-05-17 | Fine material conveying and blowing device used for float glass kiln |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201031196Y (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102140009A (en) * | 2010-11-25 | 2011-08-03 | 张家港华汇特种玻璃有限公司 | Powder supply device for production of float glass |
CN101761934B (en) * | 2010-01-08 | 2011-09-28 | 武汉华尔顺冶金工程技术有限公司 | Burning method for pulverized solid fuels transferred by dilute phase pneumatic in tunnel kiln and dilute phase pneumatic transferring system |
CN102398685A (en) * | 2010-09-07 | 2012-04-04 | 烟台市金河保险粉厂有限公司 | Sodium hydrosulfite packaging method |
CN102944007A (en) * | 2012-11-28 | 2013-02-27 | 佛山市沛沣科技有限公司 | Multi-temperature-zone powder combustion control system |
CN103849700A (en) * | 2012-11-30 | 2014-06-11 | 西林钢铁集团有限公司 | Technology for long-distance direct injection of pulverized coal |
CN104140860A (en) * | 2014-07-15 | 2014-11-12 | 首钢总公司 | Coking ash blended fuel, and preparation system, preparation method, application system and application method thereof |
CN109678355A (en) * | 2019-03-05 | 2019-04-26 | 南通职业大学 | A kind of novel glass powder blower and its working method |
CN109897923A (en) * | 2019-04-10 | 2019-06-18 | 中冶赛迪技术研究中心有限公司 | A kind of streaming tank, coal powder injection apparatus of blast furnace, system and control method |
CN109897923B (en) * | 2019-04-10 | 2024-04-30 | 中冶赛迪技术研究中心有限公司 | Control method of blast furnace coal injection device |
-
2007
- 2007-05-17 CN CNU2007200847691U patent/CN201031196Y/en not_active Expired - Fee Related
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101761934B (en) * | 2010-01-08 | 2011-09-28 | 武汉华尔顺冶金工程技术有限公司 | Burning method for pulverized solid fuels transferred by dilute phase pneumatic in tunnel kiln and dilute phase pneumatic transferring system |
CN102398685A (en) * | 2010-09-07 | 2012-04-04 | 烟台市金河保险粉厂有限公司 | Sodium hydrosulfite packaging method |
CN102140009A (en) * | 2010-11-25 | 2011-08-03 | 张家港华汇特种玻璃有限公司 | Powder supply device for production of float glass |
CN102140009B (en) * | 2010-11-25 | 2013-07-10 | 华尔润玻璃产业股份有限公司 | Powder supply device for production of float glass |
CN102944007A (en) * | 2012-11-28 | 2013-02-27 | 佛山市沛沣科技有限公司 | Multi-temperature-zone powder combustion control system |
CN103849700A (en) * | 2012-11-30 | 2014-06-11 | 西林钢铁集团有限公司 | Technology for long-distance direct injection of pulverized coal |
CN104140860A (en) * | 2014-07-15 | 2014-11-12 | 首钢总公司 | Coking ash blended fuel, and preparation system, preparation method, application system and application method thereof |
CN109678355A (en) * | 2019-03-05 | 2019-04-26 | 南通职业大学 | A kind of novel glass powder blower and its working method |
CN109897923A (en) * | 2019-04-10 | 2019-06-18 | 中冶赛迪技术研究中心有限公司 | A kind of streaming tank, coal powder injection apparatus of blast furnace, system and control method |
CN109897923B (en) * | 2019-04-10 | 2024-04-30 | 中冶赛迪技术研究中心有限公司 | Control method of blast furnace coal injection device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201031196Y (en) | Fine material conveying and blowing device used for float glass kiln | |
CN201962257U (en) | Dry coal powder pressurizing and dense-phase transporting system | |
CN105347040B (en) | A kind of pressure sending type high pressure dense-phase pneumatic conveying device and pneumatic conveying method | |
CN102179171A (en) | Multi-stage themolysis coupled denitration method using front flow field uniformizing device and device thereof | |
CN201416899Y (en) | Solid fuel feeder for nonmetallic industrial furnace | |
CN207514929U (en) | A kind of grey recycling injection incineration system of the closed purification of calcium carbide | |
CN102134005B (en) | Double-type air-distribution plate and single pipe discharging sending tank | |
CN201158666Y (en) | Multifunctional regulation blowing tank | |
CN103816795A (en) | Semi-dry process desulfurization dust-removing technique and device | |
CN201448862U (en) | Fuel feed system of ceramic kiln adopting dilute phase pneumatic conveying | |
CN207418781U (en) | System is sprayed using the blast-furnace coal powder system of system negative pressure prevention pulverized coal bin fire | |
CN1030531C (en) | Transport method for concentrate phase coal spray in blast furnace | |
CN1376761A (en) | Method and equipment for charging dried coal powder in its pressurized gasification | |
CN212758021U (en) | Boiler flue gas circulating fluidized bed desulphurization unit | |
CN207193317U (en) | Pulverized coal injection pulverized coal distributor device | |
CN201232046Y (en) | Special blowing tank for float glass furnace coal fines or refinery coke powder and mixing powder spraying system | |
CN212091673U (en) | Front-mounted dry desulphurization CFB desulphurization device | |
CN210392931U (en) | Coke powder blowing and conveying system | |
CN210796511U (en) | Blast furnace gas ash comprehensive utilization device | |
CN208124280U (en) | A kind of circulating fluidized bed boiler agstone transportation system is with blowing stifled wind apparatus | |
CN103318648B (en) | Converter gas dry-method dedusting cinder pneumatic conveying method | |
CN207980853U (en) | A kind of flue gas desulfurization and denitrification equipment | |
CN110529871A (en) | A kind of coal dust dynamic allocator device and its working method | |
CN217265571U (en) | Pulverized coal conveying device | |
CN217795476U (en) | Low-energy-consumption semi-dry desulfurization system capable of being accurately controlled |
Legal Events
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 |
Granted publication date: 20080305 Termination date: 20150517 |
|
EXPY | Termination of patent right or utility model |