CN112275782B - Fly ash washing device and method based on carbon dioxide tempering - Google Patents
Fly ash washing device and method based on carbon dioxide tempering Download PDFInfo
- Publication number
- CN112275782B CN112275782B CN202011191004.4A CN202011191004A CN112275782B CN 112275782 B CN112275782 B CN 112275782B CN 202011191004 A CN202011191004 A CN 202011191004A CN 112275782 B CN112275782 B CN 112275782B
- Authority
- CN
- China
- Prior art keywords
- carbon dioxide
- stirring
- hollow
- fly ash
- tank body
- 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.)
- Active
Links
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 156
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 78
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 78
- 239000010881 fly ash Substances 0.000 title claims abstract description 48
- 238000005406 washing Methods 0.000 title claims abstract description 25
- 238000005496 tempering Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000003756 stirring Methods 0.000 claims abstract description 131
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 230000001502 supplementing effect Effects 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000005587 bubbling Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 claims description 2
- 238000010791 quenching Methods 0.000 claims 5
- 230000000171 quenching effect Effects 0.000 claims 5
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000004090 dissolution Methods 0.000 abstract description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052791 calcium Inorganic materials 0.000 abstract description 2
- 239000011575 calcium Substances 0.000 abstract description 2
- 125000001309 chloro group Chemical class Cl* 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000005728 strengthening Methods 0.000 abstract 1
- 239000004568 cement Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- 238000010612 desalination reaction Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 229910001424 calcium ion Inorganic materials 0.000 description 2
- 150000003841 chloride salts Chemical class 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010813 municipal solid waste Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006298 dechlorination reaction Methods 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 238000009270 solid waste treatment Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
- C04B7/28—Cements from oil shales, residues or waste other than slag from combustion residues, e.g. ashes or slags from waste incineration
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/38—Preparing or treating the raw materials individually or as batches, e.g. mixing with fuel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B2101/00—Type of solid waste
- B09B2101/30—Incineration ashes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Processing Of Solid Wastes (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a fly ash washing device and a fly ash washing method based on carbon dioxide tempering, wherein the device comprises a stirring tank body and a stirring device arranged in the stirring tank body, and the stirring device comprises: hollow puddler and hollow stirring paddle, hollow puddler is the hollow shaft body, its bottom with hollow stirring paddle is linked together, hollow stirring paddle's quantity is a plurality of, centers on hollow puddler's bottom is followed hollow puddler's circumference evenly sets up, gas pocket, drain pipe and jet pipe have been seted up on hollow stirring paddle's the blade, the outside of agitator tank body still is provided with carbon dioxide circulation pipeline. According to the fly ash washing device and method based on carbon dioxide tempering, the pH of water is reduced by utilizing carbon dioxide, the dissolution of chlorine salt with low water solubility is promoted, the dissolution of heavy metals and calcium is reduced, and the effects of saving energy consumption and strengthening component separation are achieved.
Description
Technical Field
The invention relates to the field of solid waste treatment, in particular to a device and a method for washing fly ash based on carbon dioxide tempering.
Background
The incineration technology can realize the rapid volume reduction and energy utilization of the garbage, and is widely used at present, however, the fly ash generated in the garbage incineration process contains heavy metals, dioxin and the like, belongs to dangerous wastes and constitutes serious threat to the environment. The incineration fly ash is directly safely buried with high cost and is difficult to bear.
At present, the temporary disposal method is to carry out low-cost sanitary landfill after solidification and stabilization treatment, but with the shortage of landfill sites and the doubt of long-term stability of solidification and stabilization fly ash, how to better dispose of the fly ash becomes an urgent need at present. The cement kiln is adopted to cooperatively treat the fly ash, so that the incineration fly ash can be recycled, the heavy metal can be solidified and the dioxin can be decomposed, and meanwhile, the fly ash is large in consumption, so that the method has a very good application prospect.
However, the incineration fly ash contains chloride salt, which is easy to reduce the quality of clinker and cause problems such as skinning of a cement kiln, so that the mixing amount of the incineration fly ash is low and the content of chloride salt for the fly ash entering the kiln is high. Therefore, the pretreatment of the desalination of the fly ash is more friendly to the collaborative treatment of a cement kiln, the water washing is a simple technology for the desalination of the fly ash, the limited application of the technology is realized at present, and the popularization of the technology is limited mainly because the energy consumption for extracting salt by evaporating and crystallizing filtrate after the water washing is high, so that the cost of the desalination of the fly ash is high.
Therefore, the invention aims to provide a fly ash washing device and a fly ash washing method based on carbon dioxide tempering, which are used for ensuring that the liquid-solid ratio is reduced and the water consumption is reduced in a washing process, so that the subsequent filtrate evaporation amount is reduced.
Disclosure of Invention
The invention aims to provide a fly ash washing device and method based on carbon dioxide tempering, which solve the problems of high water content and high energy consumption of subsequent evaporation of the existing fly ash washing device through the tempering effect of carbon dioxide on slurry.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the device comprises a stirring tank body and a stirring device arranged in the stirring tank body, wherein the stirring device comprises: hollow puddler and hollow stirring paddle, hollow puddler is the hollow shaft body, its bottom with hollow stirring paddle is linked together, hollow stirring paddle's quantity is a plurality of, centers on hollow puddler's bottom is followed hollow puddler's circumference evenly sets up, gas pocket, drain pipe and jet pipe have been seted up on hollow stirring paddle's the blade, the outside of agitator tank body still is provided with carbon dioxide circulation pipeline, carbon dioxide circulation pipeline one end with the inner chamber intercommunication of agitator tank body, the other end with hollow stirring paddle intercommunication, carbon dioxide supplementing port has been seted up on the carbon dioxide circulation pipeline, carbon dioxide booster pump is still connected on the carbon dioxide circulation pipeline.
Preferably, the agitation tank body includes: the stirring tank comprises a stirring tank body and a stirring tank cover, wherein the stirring tank cover is arranged above the stirring tank body and is detachably connected with the stirring tank body through a flange.
Preferably, the stirring tank cover is provided with a fly ash inlet and a water inlet, and the bottom of the stirring tank body is provided with a discharge hole.
Preferably, a motor is further arranged above the stirring tank body, and the motor driving shaft is connected with the hollow stirring rod through a gear.
Preferably, the stirring tank cover is further provided with a heating resistor, the heating resistor is inserted into the stirring tank body, and the outer wall of the stirring tank body is further covered with an insulating layer.
Preferably, a bracket is fixedly connected below the stirring tank body.
In another aspect, a fly ash water washing method based on carbon dioxide conditioning comprises the steps of: adding fly ash into the stirring tank body, adding water into the stirring tank body, introducing carbon dioxide into the hollow stirring rod through a carbon dioxide supplementing port, and bubbling out from the air hole after the carbon dioxide enters the hollow stirring blade;
the hollow stirring rod is rotated, the rotation direction is consistent with the direction of the arc-shaped bulge of the blade of the hollow stirring blade, and in the reaction, liquid entering the blade of the hollow stirring blade is discharged from the drain pipe;
after the reaction, the carbon dioxide which is not absorbed by the water is pressurized by the carbon dioxide booster pump and then returns to the hollow stirring rod through the carbon dioxide circulating pipeline, and the carbon dioxide supplementing port can be used for supplementing the carbon dioxide absorbed by the water to ensure the carbon dioxide content;
after stirring for 10-30min, stirring and bubbling of carbon dioxide are stopped, and the fly ash and water are discharged.
The beneficial effects of the invention are as follows:
according to the fly ash washing device and method based on carbon dioxide tempering, carbon dioxide is introduced into water, so that the pH of slurry can be reduced, insoluble chloride in the fly ash is dissolved out, carbonate, heavy metal and calcium ions are combined to generate precipitate, the dissolution of heavy metal and calcium is avoided, and the pressure of subsequent filtrate treatment is reduced;
after the carbon dioxide promotes the precipitation of heavy metal ions and calcium ions, the Na2CO3 consumption of the subsequent washing filtrate is reduced, and the cost of the subsequent treatment medicament is reduced;
carbon dioxide is introduced into the hollow stirring blade, and the spraying and floating of carbon dioxide bubbles are utilized to assist in stirring fly ash in water, so that stirring energy consumption is reduced;
carbon dioxide overflowing from the water surface is collected, replenished and pressurized and then is pumped into the blade again, so that the use of the carbon dioxide is saved, the carbon dioxide can be derived from a cement kiln flue gas purification product, and the carbon dioxide emission reduction effect is achieved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a specific structure of a hollow stirring rod and a hollow stirring blade;
in the figure: 1. the device comprises a motor, 2, a gear, 3, a fly ash inlet, 4, a water inlet, 5, an insulating layer, 6, a hollow stirring rod, 7, a hollow stirring blade, 701, an air hole, 702, a drain pipe, 703, a jet pipe, 8, a bracket, 9, an exhaust port, 10, a heating resistor, 11, a discharge port, 12 and a carbon dioxide booster pump.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Unless the directions indicated by the individual definitions are used, the directions of up, down, left, right, front, rear, inner and outer are all directions of up, down, left, right, front, rear, inner and outer in the drawings shown in the present invention, and are described herein together.
The invention provides a fly ash washing device based on carbon dioxide tempering as shown in fig. 1 and 2, which comprises a stirring tank body and a stirring device arranged in the stirring tank body, wherein the stirring device comprises: the hollow stirring rod 6 and the hollow stirring blade 7, the hollow stirring rod 6 is a hollow shaft body, the bottom end of the hollow stirring rod 6 is communicated with the hollow stirring blade 7, the number of the hollow stirring blades 7 is multiple, the hollow stirring rod 6 is uniformly arranged around the bottom end of the hollow stirring rod 6 along the circumferential direction of the hollow stirring rod 6, the blades of the hollow stirring blade 7 are provided with an air hole 701, a drain pipe 702 and a spray pipe 703, the outside of the stirring tank body is also provided with a carbon dioxide circulation pipeline 9, one end of the carbon dioxide circulation pipeline 9 is communicated with the inner cavity of the stirring tank body, the other end of the carbon dioxide circulation pipeline 9 is communicated with the hollow stirring rod 6, a carbon dioxide supplementing port is formed in the carbon dioxide circulation pipeline 9, the carbon dioxide circulation pipeline is also connected with a carbon dioxide booster pump 12, the hollow stirring blade 7 and the connecting part of the hollow stirring rod 6 extend outwards along an arc, the cross section is a trapezoid, the arc convex side is the short side of the trapezoid cross section of the hollow stirring rod, the arc concave side is the long side of the trapezoid cross section of the hollow stirring rod, the hollow stirring blade and the horizontal plane has an included angle of 5-10 DEG, the aperture is 2-5mm, the aperture is 10-20mm, the distance is 5-20 mm, the distance between the drain pipe and the diameter is 5-10mm and the spray pipe is 40 mm.
Specifically, the agitator tank body includes: the stirring tank body and stirring tank cover, the stirring tank cover sets up stirring tank body's top, through the flange with stirring tank body detachable connection, stirring tank body is the cylinder structure, and its diameter is about 1000mm, highly about 1200mm.
Specifically, fly ash inlet 3 and water inlet 4 have been seted up on the agitator tank lid, discharge gate 11 has been seted up to the agitator tank body bottom.
Specifically, still be provided with motor 1 above the agitator tank body, motor 1 drive shaft pass through gear 2 with hollow puddler 6 connects.
Specifically, the stirring tank cover is further provided with a heating resistor 10, the heating resistor is inserted into the stirring tank body, and the outer wall of the stirring tank body is further covered with a heat preservation layer 5.
Specifically, support 8 has still been linked firmly to stirring jar body below, the quantity of support is three.
Specifically, fly ash is added into the stirring tank body from the fly ash inlet 3, water is added into the stirring tank body from the water inlet 4, the liquid-solid ratio is 2-6L/kg, carbon dioxide is introduced into the hollow stirring rod 6 from the carbon dioxide supplementing port, after entering the hollow stirring blade 7, the hollow stirring rod is bubbled out from the air hole 701, the flow rate of the carbon dioxide corresponding to each liter of water is 100-500mL/min, the motor 1 is started, the hollow stirring rod 6 is driven, the rotating speed of the hollow stirring rod 6 is 3-6r/min, the rotating direction is consistent with the arc-shaped protruding direction of the blade of the hollow stirring blade 7, in the reaction, the liquid entering the blade of the hollow stirring blade 7 is discharged from the water discharge pipe 702, the stirring tank body ensures that the water temperature in the stirring tank body is not lower than 10 ℃ through the heating resistor 10 and the heat preservation layer 5, the motor 1 is stopped to work after stirring for 10-30min, stirring and bubbling of carbon dioxide are stopped, fly ash and water are discharged from the discharge hole 11, after reaction, carbon dioxide which is not absorbed by water is pressurized 12 through the carbon dioxide booster pump and then returns to the hollow stirring rod 6 through the carbon dioxide circulating pipeline, meanwhile, for the carbon dioxide absorbed by water, the carbon dioxide supplementing port can be used for supplementing the carbon dioxide content, the water content of a filter cake of the water-washed fly ash after filter pressing is 10%, the water content in the filter cake after drying is 2%, and the chlorine content is lower than 5% of the chlorine content in the original fly ash. The dechlorination effect is better from the viewpoints of single-stage water washing and 2L/kg of liquid-solid ratio.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (5)
1. The utility model provides a fly ash washing device based on carbon dioxide quenching and tempering, fly ash washing device includes agitator tank body and sets up agitator tank body is inside, the agitator tank body includes: stirring jar body and stirring tank cover, the stirring tank cover sets up stirring jar body's top is through the flange with stirring jar body detachable connection, agitating unit includes:
a hollow stirring rod and a hollow stirring blade;
the hollow stirring rod is a hollow shaft body, and the bottom end of the hollow stirring rod is communicated with the hollow stirring blade;
the number of the hollow stirring paddles is multiple, the hollow stirring paddles are uniformly arranged around the bottom end of the hollow stirring rod along the circumferential direction of the hollow stirring rod, and the blades of the hollow stirring paddles are provided with air holes, a drain pipe and a jet pipe;
the outside of the stirring tank body is also provided with a carbon dioxide circulating pipeline;
one end of the carbon dioxide circulating pipeline is communicated with the inner cavity of the stirring tank body, the other end of the carbon dioxide circulating pipeline is communicated with the hollow stirring rod, a carbon dioxide supplementing port is formed in the carbon dioxide circulating pipeline, and the carbon dioxide circulating pipeline is also connected with a carbon dioxide booster pump;
also included is a method of a fly ash water washing apparatus based on carbon dioxide conditioning, the method comprising the steps of:
adding fly ash into the stirring tank body, adding water into the stirring tank body, introducing carbon dioxide into the hollow stirring rod through a carbon dioxide supplementing port, and bubbling out from the air hole after the carbon dioxide enters the hollow stirring blade;
the hollow stirring rod is rotated, the rotation direction is consistent with the direction of the arc-shaped bulge of the blade of the hollow stirring blade, and in the reaction, liquid entering the blade of the hollow stirring blade is discharged from the drain pipe;
after the reaction, the carbon dioxide which is not absorbed by the water is pressurized by the carbon dioxide booster pump and then returns to the hollow stirring rod through the carbon dioxide circulating pipeline, and the carbon dioxide supplementing port can be used for supplementing the carbon dioxide absorbed by the water to ensure the carbon dioxide content;
after stirring for 10-30min, stirring and bubbling of carbon dioxide are stopped, and the fly ash and water are discharged.
2. The fly ash washing device based on carbon dioxide quenching and tempering as claimed in claim 1, wherein: the stirring tank cover is provided with a fly ash inlet and a water inlet, and the bottom of the stirring tank body is provided with a discharge hole.
3. The fly ash washing device based on carbon dioxide quenching and tempering as claimed in claim 1, wherein: the stirring tank is characterized in that a motor is further arranged above the stirring tank body, and a motor driving shaft is connected with the hollow stirring rod through a gear.
4. The fly ash washing device based on carbon dioxide quenching and tempering as claimed in claim 1, wherein: the stirring tank cover is also provided with a heating resistor, the heating resistor is inserted into the stirring tank body, and the outer wall of the stirring tank body is also covered with an insulating layer.
5. The fly ash washing device based on carbon dioxide quenching and tempering as claimed in claim 1, wherein: and a bracket is fixedly connected below the stirring tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011191004.4A CN112275782B (en) | 2020-10-30 | 2020-10-30 | Fly ash washing device and method based on carbon dioxide tempering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011191004.4A CN112275782B (en) | 2020-10-30 | 2020-10-30 | Fly ash washing device and method based on carbon dioxide tempering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112275782A CN112275782A (en) | 2021-01-29 |
| CN112275782B true CN112275782B (en) | 2023-12-05 |
Family
ID=74352461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011191004.4A Active CN112275782B (en) | 2020-10-30 | 2020-10-30 | Fly ash washing device and method based on carbon dioxide tempering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112275782B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113264730A (en) * | 2021-05-24 | 2021-08-17 | 盐城工学院 | Graphene-cement-based conductive composite material and preparation method thereof |
| CN113426237A (en) * | 2021-07-06 | 2021-09-24 | 桂林金山新材料有限公司 | Carbon dioxide treatment equipment and treatment method for calcium carbonate production |
| CN113953311A (en) * | 2021-08-31 | 2022-01-21 | 江西盖亚环保科技有限公司 | Fly ash washing process for carbon dioxide modified multistage reverse pulping |
| CN113957260B (en) * | 2021-08-31 | 2023-05-16 | 江西盖亚环保科技有限公司 | Heavy metal recovery process of fly ash |
| CN114147047B (en) * | 2021-08-31 | 2023-08-25 | 江西盖亚环保科技有限公司 | Resource recovery process for fly ash water-washing slag |
| CN113523929A (en) * | 2021-09-16 | 2021-10-22 | 江苏上融新能源科技有限公司 | Intelligent machine tool for grinding |
| CN113735468A (en) * | 2021-09-18 | 2021-12-03 | 江苏梵坤环保科技发展股份有限公司 | Waste incineration fly ash recycling treatment system and method coupled with waste incineration |
| CN115193863B (en) * | 2022-05-30 | 2023-09-15 | 江苏省环境工程技术有限公司 | Device and method for dechlorinating fly ash by carbon dioxide-assisted three-stage countercurrent washing |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09314088A (en) * | 1996-05-28 | 1997-12-09 | Mitsubishi Heavy Ind Ltd | Treatment of fly ash |
| JP2000317421A (en) * | 1999-05-14 | 2000-11-21 | Mitsubishi Materials Corp | Treatment of fly ash |
| JP2007007598A (en) * | 2005-07-01 | 2007-01-18 | Taiheiyo Cement Corp | Apparatus and method for diffusing gas into calcium-containing water |
| CN101182144A (en) * | 2007-11-21 | 2008-05-21 | 清华大学 | Cement kiln calcining resource method for domestic waste burning fly ash |
| CN101817650A (en) * | 2010-05-04 | 2010-09-01 | 北京市琉璃河水泥有限公司 | Method for treating incinerated fly ash of domestic garbage with cooperation of cement kiln |
| CN102448885A (en) * | 2009-07-23 | 2012-05-09 | 日立造船株式会社 | Device and method for separating and extracting sodium and potassium |
| CN102825059A (en) * | 2012-09-05 | 2012-12-19 | 沈阳航空航天大学 | Safe pretreatment method for resource utilization of incinerated fly ash |
| CN203079850U (en) * | 2012-12-25 | 2013-07-24 | 重庆立洋绿色产业发展有限公司 | Fly ash recycling pretreatment system |
| CN104529011A (en) * | 2015-01-05 | 2015-04-22 | 北京建筑材料科学研究总院有限公司 | Device and method for reducing hardness and pH value of waste incineration fly ash washing liquid |
| CN104671717A (en) * | 2015-02-06 | 2015-06-03 | 哈尔滨工业大学深圳研究生院 | Hazardous waste carbonization/solidification treatment technique |
| CN107570528A (en) * | 2017-10-31 | 2018-01-12 | 青岛理工大学 | A kind of stabilizing fly ash makeup is put |
| CN206882385U (en) * | 2017-03-15 | 2018-01-16 | 神雾科技集团股份有限公司 | The system for handling house refuse |
| CN108640543A (en) * | 2018-04-11 | 2018-10-12 | 西安交通大学 | A kind of the incineration of refuse flyash recycling treatment system and method for coupling waste incineration |
| CN109748525A (en) * | 2019-02-27 | 2019-05-14 | 北控城市(北京)环境科技有限公司 | A kind of preprocess method of cement kiln synergic processing flying dust |
| CN214417279U (en) * | 2020-10-30 | 2021-10-19 | 南京师范大学 | Flying dust washing device based on carbon dioxide tempering |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7736430B2 (en) * | 2006-03-16 | 2010-06-15 | William Marsh Rice University | Compositions and methods for controlling the setting behavior of cement slurries using carbonated fly ash |
-
2020
- 2020-10-30 CN CN202011191004.4A patent/CN112275782B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09314088A (en) * | 1996-05-28 | 1997-12-09 | Mitsubishi Heavy Ind Ltd | Treatment of fly ash |
| JP2000317421A (en) * | 1999-05-14 | 2000-11-21 | Mitsubishi Materials Corp | Treatment of fly ash |
| JP2007007598A (en) * | 2005-07-01 | 2007-01-18 | Taiheiyo Cement Corp | Apparatus and method for diffusing gas into calcium-containing water |
| CN101182144A (en) * | 2007-11-21 | 2008-05-21 | 清华大学 | Cement kiln calcining resource method for domestic waste burning fly ash |
| CN102448885A (en) * | 2009-07-23 | 2012-05-09 | 日立造船株式会社 | Device and method for separating and extracting sodium and potassium |
| CN101817650A (en) * | 2010-05-04 | 2010-09-01 | 北京市琉璃河水泥有限公司 | Method for treating incinerated fly ash of domestic garbage with cooperation of cement kiln |
| CN102825059A (en) * | 2012-09-05 | 2012-12-19 | 沈阳航空航天大学 | Safe pretreatment method for resource utilization of incinerated fly ash |
| CN203079850U (en) * | 2012-12-25 | 2013-07-24 | 重庆立洋绿色产业发展有限公司 | Fly ash recycling pretreatment system |
| CN104529011A (en) * | 2015-01-05 | 2015-04-22 | 北京建筑材料科学研究总院有限公司 | Device and method for reducing hardness and pH value of waste incineration fly ash washing liquid |
| CN104671717A (en) * | 2015-02-06 | 2015-06-03 | 哈尔滨工业大学深圳研究生院 | Hazardous waste carbonization/solidification treatment technique |
| CN206882385U (en) * | 2017-03-15 | 2018-01-16 | 神雾科技集团股份有限公司 | The system for handling house refuse |
| CN107570528A (en) * | 2017-10-31 | 2018-01-12 | 青岛理工大学 | A kind of stabilizing fly ash makeup is put |
| CN108640543A (en) * | 2018-04-11 | 2018-10-12 | 西安交通大学 | A kind of the incineration of refuse flyash recycling treatment system and method for coupling waste incineration |
| CN109748525A (en) * | 2019-02-27 | 2019-05-14 | 北控城市(北京)环境科技有限公司 | A kind of preprocess method of cement kiln synergic processing flying dust |
| CN214417279U (en) * | 2020-10-30 | 2021-10-19 | 南京师范大学 | Flying dust washing device based on carbon dioxide tempering |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112275782A (en) | 2021-01-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112275782B (en) | Fly ash washing device and method based on carbon dioxide tempering | |
| CN106976949A (en) | A kind of oxidation treatment method of Leachate site biological treatment water outlet | |
| CN108996753A (en) | A kind of coal chemical industrial waste water purifying treatment method | |
| CN214417279U (en) | Flying dust washing device based on carbon dioxide tempering | |
| CN213865425U (en) | Clean and environment-friendly papermaking equipment capable of recycling sewage | |
| CN206955829U (en) | A kind of pharmaceutical production wastewater ocean disposal device | |
| CN213294870U (en) | Carbon dioxide waste water reduces hardness processing system | |
| CN110643492B (en) | Material stirring device and method for producing biogas through anaerobic fermentation | |
| CN208038272U (en) | What Hydrodynamic cavitation cooperateed with micro- alkali process biochemical sludge subtracts mud machine and processing system | |
| CN105417631A (en) | Forward-osmosis treatment device for high-salinity wastewater | |
| CN208022730U (en) | A kind of chromium-electroplating waste water processing unit | |
| CN207483545U (en) | A kind of sewage disposal mud discharging device | |
| CN201704407U (en) | Acid etching waste liquid acid replacement and absorption device of circuit board | |
| CN218811161U (en) | Full-quantization treatment device for percolate of household garbage landfill | |
| CN212396348U (en) | Energy-concerving and environment-protective type purifying column | |
| CN219652773U (en) | Dangerous useless burning furnace wet deacidification circulating water desalination device that burns | |
| CN208762335U (en) | High-concentration hardly-degradable waste water processing system with high salt | |
| CN219072572U (en) | Chlorine recovery device in tail gas | |
| CN207957899U (en) | The aerobic tank for the treatment of of dyeing wastewater | |
| CN216024146U (en) | Electrodialysis desalination equipment for amino acid separation | |
| CN215327051U (en) | Stirring mechanism for waste liquid evaporator | |
| CN207845391U (en) | A kind of reverse osmosis concentrated water recycling freezing and crystallizing Zero emission device | |
| CN216703923U (en) | A exhaust treatment device for renewable resources retrieves | |
| CN215657007U (en) | Garbage pretreatment device | |
| CN219885735U (en) | Combined alkali-making ammonia distillation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |