CN101898083A - Method and device for preparing dry desulfurizing agent by using carbide slag - Google Patents
Method and device for preparing dry desulfurizing agent by using carbide slag Download PDFInfo
- Publication number
- CN101898083A CN101898083A CN2010102431032A CN201010243103A CN101898083A CN 101898083 A CN101898083 A CN 101898083A CN 2010102431032 A CN2010102431032 A CN 2010102431032A CN 201010243103 A CN201010243103 A CN 201010243103A CN 101898083 A CN101898083 A CN 101898083A
- Authority
- CN
- China
- Prior art keywords
- carbide slag
- dry
- desulphurizer
- weighing
- humidity
- 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.)
- Granted
Links
Images
Abstract
The invention discloses a method and a device for preparing a dry desulfurizing agent by using carbide slag, and relates to a dry desulfurizing agent. The invention provides a dry desulfurizing agent preparation device with low equipment investment, low running cost and pollution avoidance and a preparation method for the dry desulfurizing agent. The device is provided with a carbide slag weighing device, a carbide slag conveying device, a calcined lime weighing device, a calcined lime conveying device, a pre-mixing crushing device and a humidity setting device; the discharge hole of the carbide slag weighing device is connected with the feeding hole of the carbide slag conveying device, and the discharge hole of the carbide slag conveying device is connected with the feeding hole of the pre-mixing crushing device; the discharge hole of the calcined lime weighing device is connected with the feeding hole of the calcined lime conveying device, and the discharge hole of the calcined lime conveying device is connected with the feeding hole of the pre-mixing crushing device; and the discharge hole of the pre-mixing crushing device is connected with the feeding hole of the humidity setting device, the bottom of the humidity setting device is provided with a slaked lime discharge hole, and the top of the humidity setting device is provided with an exhaust port. Carbide slag and calcined lime powder are premixed to obtain a solid mixture, and carbide slag humidity setting and calcined lime digestion are performed to obtain slaked lime powder.
Description
Technical field
The present invention relates to a kind of dry-desulphurizer, especially relate to a kind of method and apparatus that utilizes carbide slag to prepare dry-desulphurizer.
Background technology
Polyvinyl chloride (PVC) is one of five big general synthetic resins, and PVC production mainly contains carbide and two kinds of preparation technologies of ethylene process, and based on carbide, its output accounts for about 70% of PVC total output in China.According to the statistics made by the departments concerned, China PVC production capacity was 1,581 ten thousand tons in 2008,8,820,000 tons of output.The carbide slag main component is Ca (OH)
2, be the trade waste that carbide is produced PVC, consume calcium carbide 1.5～1.6t by 1 ton of PVC product of the every production of experience, calcium carbide simultaneously per ton produces 1.2t carbide slag (butt).Normally with the wet basis discharging, easy to leak pollutes the road surface to carbide slag in transit, and long-term accumulation not only takies a large amount of soils, and there are serious erosion and contamination in soil and water body.China will discharge more than 1,000 ten thousand tons of carbide slags (butt) every year, and about 40% carbide slag has obtained integrated treatment, and still to store up or landfill, the environment bearing pressure is big for all the other.
At present, carbide slag is mainly used in cement industry, adopts replacing carbide slag with lime stone to produce cement, but because the water content height of carbide slag, cause in the production process hear rate to yield poorly than high and kiln, the while water vapour content of kiln tail is big, influences the result of use and the life-span of follow-up deduster.The carbide slag flue gas desulfurization of studying is used and is mainly contained two kinds of technologies: carbide slag-gypsum wet sulfur removal technology and dry acetylene sludge powder dry desulfurizing process.The former causes system's burn into fouling, obstruction, equipment attrition fault rate height because carbide slag slurry pH value is difficult to regulate and the chlorine ion concentration height; And the latter will cause that in the carbide slag drying course absorbent quality descends, and drying system energy consumption height, system complex, less economical.
Notification number provides a kind of method of utilizing carbide slag slurries to produce solid desulfurating agent for the patent of invention of CN101168117A, by processing such as purification, separation, modified, oven dry, grinding, selection by winnowing, packings, produce active high, desulphurizing ability is strong, the desulfurizing agent of fine size.Method and device that notification number provides a kind of carbide slag to produce lime for the patent of invention of CN101157471A, its method are earlier the reaction residue of calcium carbide and water to be removed solids impurity such as ferrosilicon, the pig iron by natural subsidence, obtain emulsion; The above various solid impurities of 100 orders are removed in the removal of impurities of again the gained emulsion being removed slag; The emulsion that obtains is carried out Separation of Solid and Liquid, obtain solids and clear water; The solids that obtains is carried out air purge, obtain the calcium hydroxide crystal.
Summary of the invention
The object of the present invention is to provide that a kind of equipment investment is less, operating cost is lower, can avoid the pollution of carbide slag, can reduce the dry-desulphurizer preparation facilities of desulfurization operation cost environment.
Another object of the present invention is to provide a kind of preparation method of dry-desulphurizer.
Described dry-desulphurizer preparation facilities is provided with carbide slag weighing-appliance, carbide slag conveying equipment, quick lime weighing-appliance, quick lime conveying equipment, premixed disintegrating apparatus and the humidity equipment of adjusting; The discharging opening of carbide slag weighing-appliance connects the charging aperture of carbide slag conveying equipment, and the discharging opening of carbide slag conveying equipment connects the charging aperture of premixed disintegrating apparatus; The deliver a child charging aperture of lime conveying equipment of the discharging opening of quick lime weighing-appliance, the discharging opening of quick lime conveying equipment connects the charging aperture of premixed disintegrating apparatus; The discharging opening of premixed disintegrating apparatus connects the adjust charging aperture of equipment of humidity, and the adjust bottom of equipment of humidity is provided with the calcium hydroxide discharging opening, and the adjust top of equipment of humidity is provided with exhaust outlet.
Described carbide slag weighing-appliance can adopt the carbide slag constant feeder; Described carbide slag conveying equipment can adopt carbide slag belt conveyor or carbide slag bucket elevator; Described quick lime weighing-appliance can adopt quick lime belt weighing machine; Described quick lime conveying equipment can be provided with quick lime storehouse and quick lime screw(-type) feeder; Described premixed disintegrating apparatus can adopt the twin shaft stirring conveyor; The described humidity equipment of adjusting can be provided with one-level mixer, secondary mixer, bottom ash ejector and exhaust sack cleaner, the secondary mixer is located at one-level mixer bottom, the bottom ash ejector is located at secondary mixer bottom, and the exhaust sack cleaner is connected with one-level mixer, secondary mixer and the top vent of bottom ash ejector.
The preparation method of described dry-desulphurizer uses the dry-desulphurizer preparation facilities, may further comprise the steps:
1) carbide slag and calcium lime powder are carried out premixed, get carbide slag and calcium lime powder solid mixture;
2) carbide slag that step 1) is obtained and calcium lime powder solid mixture carry out carbide slag humidity and adjust and quicklime slaking in humidity is adjusted equipment, get calcium hydroxide powder, i.e. slaked lime powder.
In step 1), described carbide slag and calcium lime powder can be carbide slag by mass ratio: calcium lime powder=1: (0.4～1).
Compare with existing carbide slag desulfurization application process, the present invention has following outstanding advantage and technique effect:
1) carbide slag utilization rate height need not increase complicated carbide slag treatment facility; 2) technological process is simple, only needs that carbide slag after premixed and the back fragmentation and calcium lime powder fixed body mixture are carried out humidity and adjusts and digest, and system equipment is few, control simply, floor space is little; 3) construction investment is few, and operating cost and desulfurizing agent production cost are low; 4) energy-conservation, water saving, the treatment of wastes with processes of wastes against one another realizes recycling economy.
Description of drawings
Fig. 1 is that the structure of dry-desulphurizer preparation facilities embodiment of the present invention is formed schematic diagram.
In Fig. 1, respectively be labeled as: 1, carbide slag constant feeder, 2, the carbide slag belt conveyer, 3, the quick lime storehouse, 4, quick lime screw(-type) feeder, 5, quick lime belt weighing machine, 6, the premixed disintegrating machine, 7, the carbide slag humidity machine of adjusting, 8, one-level mixer, 9, secondary mixer, 10, the bottom ash ejector, 11, the exhaust sack cleaner.
The specific embodiment
As shown in Figure 1, dry-desulphurizer preparation facilities embodiment of the present invention is provided with carbide slag weighing-appliance (adopt carbide slag constant feeder 1), carbide slag conveying equipment (adopting carbide slag belt conveyer 2), quick lime weighing-appliance (adopting quick lime storehouse 3 and quick lime screw(-type) feeder 4), quick lime conveying equipment (adopting quick lime belt weighing machine 5), premixed disintegrating apparatus (adopting premixed disintegrating machine 6) and the humidity equipment (employing carbide slag humidity adjust machine 7) of adjusting; The discharging opening of carbide slag constant feeder 1 connects the charging aperture of carbide slag belt conveyer 2, and the discharging opening of carbide slag belt conveyer 2 connects the charging aperture of premixed disintegrating machine 6.The deliver a child charging aperture of lime screw(-type) feeder 4 of quick lime storehouse 3 discharging openings of quick lime weighing-appliance, the deliver a child charging aperture of lime belt weighing machine 5 of the discharging opening of quick lime screw(-type) feeder 4, the discharging opening of quick lime belt weighing machine 5 connects the charging aperture of premixed disintegrating machine 6; The discharging opening of premixed disintegrating machine 6 connects the adjust charging aperture of one-level mixer 8 of machine 7 of carbide slag humidity, secondary mixer 9 is located at one-level mixer 8 bottoms, the charging aperture of secondary mixer 9 connects the discharging opening of one-level mixer 8, bottom ash ejector 10 is located at secondary mixer 9 bottoms, the charging aperture of bottom ash ejector 10 connects the discharging opening of secondary mixer 8, and exhaust sack cleaner 11 is connected with one-level mixer 8, secondary mixer 9 and the top vent of bottom ash ejector 10.The bottom of bottom ash ejector 10 is provided with calcium hydroxide discharging opening C.In Fig. 1, A is the carbide slag charging aperture, and B is the calcium lime powder charging aperture, and M is a motor.
Described premixed disintegrating machine 6 can adopt the twin shaft stirring conveyor.
In Fig. 1,
Below provide the preparation method embodiment of described dry-desulphurizer, use the dry-desulphurizer preparation facilities, may further comprise the steps:
1) carbide slag and calcium lime powder are carried out premixed, get carbide slag and calcium lime powder solid mixture; Described carbide slag and calcium lime powder can be carbide slag by mass ratio: calcium lime powder=1: (0.4～1).
2) carbide slag that step 1) is obtained and calcium lime powder solid mixture carry out carbide slag humidity and adjust and quicklime slaking in humidity is adjusted equipment, get calcium hydroxide powder, i.e. slaked lime powder.
Embodiment 1: the quality of carbide slag is: Ca (OH)
2Content 66%, water content 30%; The quality of calcium lime powder is: CaO content is 65%, particle diameter≤1mm; The proportioning of carbide slag and calcium lime powder is 1: 1.Carbide slag enters constant feeder by charging hopper and weighs, and sends into premixer by belt conveyor and tentatively mix and fragmentation with the quick lime that quantitatively adds behind quick lime storehouse, screw(-type) feeder and belt weighing machine after weighing.Material after mixing enters the carbide slag humidity machine of adjusting.Carry out in humidity is adjusted machine that carbide slag humidity is adjusted and quicklime slaking reaction 60min after, obtain slaked lime powder, its quality is: 90% calcium hydroxide particle diameter is less than 125um, water content 1.52%, Ca (OH)
2Content 80%.
Embodiment 2: the quality of carbide slag is: Ca (OH)
2Content 60%, water content 35%; The quality of calcium lime powder is: CaO content is 85%, particle diameter≤1mm; The proportioning of carbide slag and calcium lime powder is 1: 0.4.
Carbide slag enters constant feeder by charging hopper and weighs, and sends into premixer by belt conveyor and tentatively mix and fragmentation with the quick lime that quantitatively adds behind quick lime storehouse, screw(-type) feeder and belt weighing machine after weighing.Material after mixing enters the carbide slag humidity machine of adjusting.Carry out in humidity is adjusted machine that carbide slag humidity is adjusted and quicklime slaking reaction 60min after, the slaked lime powder that obtains, its quality is: 95% calcium hydroxide particle diameter is less than 125um, water content 0.27%, Ca (OH)
2Content 90%.
Embodiment 3: similar to Example 1, its difference is that the proportioning of carbide slag and calcium lime powder is 1: 0.8.
Embodiment 4: similar to Example 2, its difference is that the proportioning of carbide slag and calcium lime powder is 1: 0.6.
Claims (9)
1. dry-desulphurizer preparation facilities is characterized in that being provided with carbide slag weighing-appliance, carbide slag conveying equipment, quick lime weighing-appliance, quick lime conveying equipment, premixed disintegrating apparatus and the humidity equipment of adjusting; The discharging opening of carbide slag weighing-appliance connects the charging aperture of carbide slag conveying equipment, and the discharging opening of carbide slag conveying equipment connects the charging aperture of premixed disintegrating apparatus; The deliver a child charging aperture of lime conveying equipment of the discharging opening of quick lime weighing-appliance, the discharging opening of quick lime conveying equipment connects the charging aperture of premixed disintegrating apparatus; The discharging opening of premixed disintegrating apparatus connects the adjust charging aperture of equipment of humidity, and the adjust bottom of equipment of humidity is provided with the calcium hydroxide discharging opening, and the adjust top of equipment of humidity is provided with exhaust outlet.
2. dry-desulphurizer preparation facilities as claimed in claim 1 is characterized in that described carbide slag weighing-appliance is the carbide slag constant feeder.
3. dry-desulphurizer preparation facilities as claimed in claim 1 is characterized in that described carbide slag conveying equipment is carbide slag belt conveyor or carbide slag bucket elevator.
4. dry-desulphurizer preparation facilities as claimed in claim 1 is characterized in that described quick lime weighing-appliance is a quick lime belt weighing machine.
5. dry-desulphurizer preparation facilities as claimed in claim 1 is characterized in that described quick lime conveying equipment is provided with quick lime storehouse and quick lime screw(-type) feeder.
6. dry-desulphurizer preparation facilities as claimed in claim 1 is characterized in that described premixed disintegrating apparatus is the twin shaft stirring conveyor.
7. dry-desulphurizer preparation facilities as claimed in claim 1, it is characterized in that the described humidity equipment of adjusting is provided with one-level mixer, secondary mixer, bottom ash ejector and exhaust sack cleaner, the secondary mixer is located at one-level mixer bottom, the bottom ash ejector is located at secondary mixer bottom, and the exhaust sack cleaner is connected with one-level mixer, secondary mixer and the top vent of bottom ash ejector.
8. the preparation method of dry-desulphurizer is characterized in that, uses dry-desulphurizer preparation facilities as claimed in claim 1, and described preparation method may further comprise the steps:
1) carbide slag and calcium lime powder are carried out premixed, get carbide slag and calcium lime powder solid mixture;
2) carbide slag that step 1) is obtained and calcium lime powder solid mixture carry out carbide slag humidity and adjust and quicklime slaking in humidity is adjusted equipment, get calcium hydroxide powder, i.e. slaked lime powder.
9. the preparation method of dry-desulphurizer as claimed in claim 8 is characterized in that in step 1), and described carbide slag and calcium lime powder are carbide slag by mass ratio: calcium lime powder=1: 0.4～1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102431032A CN101898083B (en) | 2010-07-30 | 2010-07-30 | Method and device for preparing dry desulfurizing agent by using carbide slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102431032A CN101898083B (en) | 2010-07-30 | 2010-07-30 | Method and device for preparing dry desulfurizing agent by using carbide slag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101898083A true CN101898083A (en) | 2010-12-01 |
| CN101898083B CN101898083B (en) | 2012-09-26 |
Family
ID=43224207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102431032A Active CN101898083B (en) | 2010-07-30 | 2010-07-30 | Method and device for preparing dry desulfurizing agent by using carbide slag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101898083B (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102068898A (en) * | 2010-12-04 | 2011-05-25 | 宁夏大学 | Composite calcium-based solid desulfurizer and production method thereof |
| CN102423624A (en) * | 2011-10-24 | 2012-04-25 | 浙江菲达脱硫工程有限公司 | Apparatus and method for preparing high-activity calcium hydroxide by using carbide slag alkali residue |
| CN102976639A (en) * | 2012-11-06 | 2013-03-20 | 镇江市电站辅机厂有限公司 | Quicklime slaking system |
| CN103752147A (en) * | 2014-01-21 | 2014-04-30 | 福建龙净脱硫脱硝工程有限公司 | Dry desulfurization agent and preparation method thereof |
| CN103880056A (en) * | 2014-02-26 | 2014-06-25 | 钟文庭 | Preparation method for preparing calcium hydroxide through carbide slag |
| CN104437023A (en) * | 2014-12-05 | 2015-03-25 | 阜康市莱蒙钙业有限公司 | Method for producing calcium hydroxide desulfurizer by utilizing waste acetylene sludge |
| CN105669053A (en) * | 2016-04-15 | 2016-06-15 | 范洪喜 | Industrial grade calcium hydroxide production equipment and technology |
| CN106512696A (en) * | 2016-10-31 | 2017-03-22 | 内蒙古包钢钢联股份有限公司 | A circulating-fluidized-bed-method flue gas desulphurization process and a circulating-fluidized-bed-method flue gas desulphurization system |
| CN107213779A (en) * | 2017-06-19 | 2017-09-29 | 青海盐湖工业股份有限公司 | A kind of production system and production technology of carbide slag desulfurizing agent |
| CN108249465A (en) * | 2018-01-23 | 2018-07-06 | 辽宁邦加钙业有限公司 | The production equipment and its production technology of calcium hydroxide are produced using carbide slag |
| CN108423683A (en) * | 2018-03-30 | 2018-08-21 | 新疆蓝山屯河能源有限公司 | The method for producing carbide raw material lime ball using dry acetylene sludge |
| CN108622674A (en) * | 2017-03-15 | 2018-10-09 | 上海洋野流体设备有限公司 | A kind of transport system applied to desulfurizing agent in dry desulfurization |
| CN112125537A (en) * | 2020-09-28 | 2020-12-25 | 辽宁鑫钙环保科技有限公司 | Industrial preparation technology of calcium hydroxide |
| CN113149467A (en) * | 2021-03-15 | 2021-07-23 | 西安西矿环保科技有限公司 | Quicklime slaking pulping system for semidry flue gas desulfurization |
| CN114011834A (en) * | 2021-10-15 | 2022-02-08 | 江苏中圣园科技股份有限公司 | Carbide slag calcines reduction retrieval and utilization carbide stove coproduction desulfurizer system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5226374A (en) * | 1975-08-25 | 1977-02-26 | Mitsui Miike Mach Co Ltd | Process for removal of sulfur oxides in exhaust gases |
| JPS5330995A (en) * | 1976-09-03 | 1978-03-23 | Mitsubishi Heavy Ind Ltd | Catalyst for treating of exhaust gas |
| CN1110713A (en) * | 1995-03-25 | 1995-10-25 | 柳州市东风化工厂 | Mixed sweetening agent |
| CN1248483A (en) * | 1999-10-14 | 2000-03-29 | 王晋宁 | Flue gas desulfurizing agent and method |
| CN1248614A (en) * | 1999-10-22 | 2000-03-29 | 郑春雷 | Method for reducing carbon content in flyash by adding additives in coal and products |
| CN101168117A (en) * | 2007-08-30 | 2008-04-30 | 宁夏英力特电力集团股份有限公司 | Method for preparing high-performance solid desulfurizing agent by carbide slag slurry |
| CN101532072A (en) * | 2009-04-14 | 2009-09-16 | 中冶实久建设有限公司 | A desulfurizing agent and method for preparing same |
| CN101705133A (en) * | 2009-11-30 | 2010-05-12 | 浙江大学 | Efficient coal-fired combustion-supporting desulfurization additive and preparation method thereof |
| CN101732957A (en) * | 2008-11-24 | 2010-06-16 | 胡小平 | Desulphurization system of circulating fluidized bed boiler |
-
2010
- 2010-07-30 CN CN2010102431032A patent/CN101898083B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5226374A (en) * | 1975-08-25 | 1977-02-26 | Mitsui Miike Mach Co Ltd | Process for removal of sulfur oxides in exhaust gases |
| JPS5330995A (en) * | 1976-09-03 | 1978-03-23 | Mitsubishi Heavy Ind Ltd | Catalyst for treating of exhaust gas |
| CN1110713A (en) * | 1995-03-25 | 1995-10-25 | 柳州市东风化工厂 | Mixed sweetening agent |
| CN1248483A (en) * | 1999-10-14 | 2000-03-29 | 王晋宁 | Flue gas desulfurizing agent and method |
| CN1248614A (en) * | 1999-10-22 | 2000-03-29 | 郑春雷 | Method for reducing carbon content in flyash by adding additives in coal and products |
| CN101168117A (en) * | 2007-08-30 | 2008-04-30 | 宁夏英力特电力集团股份有限公司 | Method for preparing high-performance solid desulfurizing agent by carbide slag slurry |
| CN101732957A (en) * | 2008-11-24 | 2010-06-16 | 胡小平 | Desulphurization system of circulating fluidized bed boiler |
| CN101532072A (en) * | 2009-04-14 | 2009-09-16 | 中冶实久建设有限公司 | A desulfurizing agent and method for preparing same |
| CN101705133A (en) * | 2009-11-30 | 2010-05-12 | 浙江大学 | Efficient coal-fired combustion-supporting desulfurization additive and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 贾汉忠等: "电石渣/生石灰复合物流动性及脱硫性能", 《化工进展》 * |
| 贾汉忠等: "电石渣/生石灰复合脱硫剂脱硫性能研究", 《化学工程》 * |
| 贾汉忠等: "电石渣在密相塔脱硫中的应用", 《环境工程》 * |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102068898A (en) * | 2010-12-04 | 2011-05-25 | 宁夏大学 | Composite calcium-based solid desulfurizer and production method thereof |
| CN102068898B (en) * | 2010-12-04 | 2013-07-17 | 宁夏博浩环保技术有限公司 | Composite calcium-based solid desulfurizer and production method thereof |
| CN102423624A (en) * | 2011-10-24 | 2012-04-25 | 浙江菲达脱硫工程有限公司 | Apparatus and method for preparing high-activity calcium hydroxide by using carbide slag alkali residue |
| CN102976639A (en) * | 2012-11-06 | 2013-03-20 | 镇江市电站辅机厂有限公司 | Quicklime slaking system |
| CN103752147A (en) * | 2014-01-21 | 2014-04-30 | 福建龙净脱硫脱硝工程有限公司 | Dry desulfurization agent and preparation method thereof |
| CN103880056A (en) * | 2014-02-26 | 2014-06-25 | 钟文庭 | Preparation method for preparing calcium hydroxide through carbide slag |
| CN103880056B (en) * | 2014-02-26 | 2016-03-02 | 钟文庭 | A kind of carbide slag prepares the preparation method of calcium hydroxide |
| CN104437023A (en) * | 2014-12-05 | 2015-03-25 | 阜康市莱蒙钙业有限公司 | Method for producing calcium hydroxide desulfurizer by utilizing waste acetylene sludge |
| CN105669053A (en) * | 2016-04-15 | 2016-06-15 | 范洪喜 | Industrial grade calcium hydroxide production equipment and technology |
| CN106512696A (en) * | 2016-10-31 | 2017-03-22 | 内蒙古包钢钢联股份有限公司 | A circulating-fluidized-bed-method flue gas desulphurization process and a circulating-fluidized-bed-method flue gas desulphurization system |
| CN108622674A (en) * | 2017-03-15 | 2018-10-09 | 上海洋野流体设备有限公司 | A kind of transport system applied to desulfurizing agent in dry desulfurization |
| CN107213779A (en) * | 2017-06-19 | 2017-09-29 | 青海盐湖工业股份有限公司 | A kind of production system and production technology of carbide slag desulfurizing agent |
| CN108249465A (en) * | 2018-01-23 | 2018-07-06 | 辽宁邦加钙业有限公司 | The production equipment and its production technology of calcium hydroxide are produced using carbide slag |
| CN108249465B (en) * | 2018-01-23 | 2023-12-05 | 辽宁邦加钙业有限公司 | Production equipment and production process for preparing calcium hydroxide by using carbide slag |
| CN108423683A (en) * | 2018-03-30 | 2018-08-21 | 新疆蓝山屯河能源有限公司 | The method for producing carbide raw material lime ball using dry acetylene sludge |
| CN108423683B (en) * | 2018-03-30 | 2021-09-14 | 新疆蓝山屯河能源有限公司 | Method for producing calcium carbide raw material lime balls by using dry acetylene carbide slag |
| CN112125537A (en) * | 2020-09-28 | 2020-12-25 | 辽宁鑫钙环保科技有限公司 | Industrial preparation technology of calcium hydroxide |
| CN113149467A (en) * | 2021-03-15 | 2021-07-23 | 西安西矿环保科技有限公司 | Quicklime slaking pulping system for semidry flue gas desulfurization |
| CN114011834A (en) * | 2021-10-15 | 2022-02-08 | 江苏中圣园科技股份有限公司 | Carbide slag calcines reduction retrieval and utilization carbide stove coproduction desulfurizer system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101898083B (en) | 2012-09-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101898083B (en) | Method and device for preparing dry desulfurizing agent by using carbide slag | |
| CN111717916B (en) | Method and device for producing active calcium oxide as calcium carbide raw material by wet method calcium carbide slag | |
| CN101503208B (en) | Process for preparing high concentration milky calcium hydroxide | |
| CN204779369U (en) | In ardealite and purification treatment system | |
| CN105000585A (en) | Ardealite neutralizing and purifying processing technology | |
| CN209378922U (en) | A kind of desulfurizer slurry preparation facilities | |
| CN102816925A (en) | Method and system for recycling iron-containing sludge | |
| CN102512919A (en) | Carbide slag powdering process and system | |
| CN207769990U (en) | It is broken that a kind of efficient thunder of non-metallic mineral resource comprehensive utilization covers pendulum-type milling | |
| CN109734337A (en) | A method of high-quality steel-making slag powder is produced based on desulfurized gypsum | |
| CN213596170U (en) | Production line for producing cement clinker by solid-waste blending | |
| CN102039085A (en) | Method for clean burning of coal burning boiler of circulating fluidized bed | |
| CN202898238U (en) | Ore dreg separating system | |
| CN205517234U (en) | Desulfurizer device | |
| CN204746088U (en) | Carbide slag and lime stone desulfurizer exchange device among wet flue gas desulfurization | |
| CN102154047A (en) | Batching production line for producing anthracite coal briquettes | |
| CN114057415A (en) | Multi-solid waste gel material, multi-solid waste filling material based on gel material, and preparation method and application of multi-solid waste filling material | |
| CN104107832B (en) | A kind of processing method of pulp mill white clay industrial residue | |
| CN103157652A (en) | Method for preparing desulfurizer from solid waste generated in soda ash plant industry | |
| CN107185384A (en) | The method that dry powder-shaped fume desulfurizing agent is produced using discarded marble | |
| CN208055034U (en) | A kind of system preparing water treating softener agent using chemical plant carbide slag | |
| CN113549758A (en) | Sintered ore containing waste activated carbon and preparation method thereof | |
| CN206408126U (en) | A kind of energy-conserving and environment-protective lime kiln | |
| CN202427332U (en) | Carbide slag powder-making system | |
| CN215439703U (en) | System for production calcium hydroxide is retrieved to carbide lime, lime sediment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |