CN107188439A - Utilize the method and apparatus for cooling down clinker tail gas drying miberal powder - Google Patents
Utilize the method and apparatus for cooling down clinker tail gas drying miberal powder Download PDFInfo
- Publication number
- CN107188439A CN107188439A CN201710608912.0A CN201710608912A CN107188439A CN 107188439 A CN107188439 A CN 107188439A CN 201710608912 A CN201710608912 A CN 201710608912A CN 107188439 A CN107188439 A CN 107188439A
- Authority
- CN
- China
- Prior art keywords
- dryer
- miberal powder
- tail gas
- utilize
- ball mill
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
-
- 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
- C04B7/14—Cements containing slag
-
- 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
-
- 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
-
- 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
- Y02P40/121—Energy efficiency measures, e.g. improving or optimising the production methods
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention relates to a kind of using the method and apparatus for cooling down clinker tail gas drying miberal powder, equipment needed for implementation method includes kiln body, kiln hood, dryer, roll squeezer, blender, ball mill and homogenizer；The kiln body front end is installed by kiln hood；Exhaust column is connected on the kiln hood, the air inlet connection of the exhaust column and air exhauster, the air exhauster air outlet connects blast pipe, and the blast pipe is connected with dryer；The feed end of the dryer and the discharge end of roll squeezer are connected, and the discharge end of the dryer and the feed end of blender are connected, and the discharge end of the blender and the feed end of ball mill are connected, and the discharge end of the ball mill and the feed end of homogenizer are connected；The discharge end of the homogenizer is connected with repository.The present invention can make full use of the waste heat produced by kiln body kiln hood, and cement miberal powder is dried with this part of waste heat, larger raising ball mill milling speed；Realization makes full use of to the energy, the features such as reducing energy loss.
Description
Technical field
It is specifically that a kind of utilize cools down cement the present invention relates to the technical field that cement plant cools down clinker waste gas utilization
Clinker tail gas dries the method and apparatus of miberal powder.
Background technology
Cement has been each corner in going into the thick of life, such as the hardening of building, road surface, bridge etc. are required for using water
Mud, also has and is easily corroded as close to seashore, such as building building building with ordinary cement, this is accomplished by special Hai Gongshui
Mud.
Kiln body is to produce one of indispensable production equipment of cement, and kiln body refers to rotary calcining kiln (being commonly called as rotary kiln), belongs to and builds
Material equipment class.Kiln body can be divided into cement kiln, chemical metallurgy kiln and limekiln by processing material difference.Cement kiln is mainly used in calcining
Clinker, is divided to dry production cement kiln and the major class of wet production cement kiln two.Chemical metallurgy kiln is then mainly used in metallurgy industry
The poor iron ore magnetic roasting of steel plant；Chromium, josephinite oxidizing roasting；Refractory factory is calcined high-aluminium vanadine ore deposit and aluminium manufacturer's roasting is ripe
Material, aluminium hydroxide；Chemical plant is calcined the class mineral such as chrome ore and chromite ore fine.Limekiln (i.e. active lime kiln) is used to be calcined steel
Factory, the active lime and light dolomite of ferroalloy works.
For cement plant, kiln body is in calcination of cement clinker process, and at kiln hood position, more heat is not utilized, just
Kiln hood waste heat is formed, how this part of waste heat is effectively utilized, realizes and save the energy, be to need to constantly bring forth new ideas to technology, reach pair
Energy makes full use of.
The content of the invention
The purpose of the present invention is to be directed to drawbacks described above, and provides a kind of utilize and cool down the side that clinker tail gas dries miberal powder
Method and equipment, are to make full use of the waste heat produced by kiln body kiln hood, cement miberal powder are dried with this part of waste heat, larger drop
The water content of low cement miberal powder, can larger raising cement miberal powder be milled in ball mill speed；Realization makes full use of to the energy, drops
Low energy is lost.
To realize the purpose of the present invention, adopted the technical scheme that：
A kind of to utilize the method that clinker tail gas dries miberal powder that cools down, methods described includes following steps：
（1）Kiln hood on kiln body front end is connected with cooler, clinker is cooled down from kiln hood into cooler, produced cold
But tail gas；
（2）Cooler is connected with dryer by exhaust column, the exhaust column is connected with air exhauster, taken out by the air exhauster
Cooled exhaust gas is taken as dryer thermal source；
（3）Slag is rolled into fine powder by roll squeezer；Gained fine powder is dried by Belt Conveying to dryer；
（4）Fine powder after drying is delivered in blender, is sufficiently mixed, mixing material is made, it is standby；
（5）Mixing material is delivered in Inside sifter efficient ball mill, grinding is carried out, miberal powder is made, it is standby；
（6）Miberal powder is delivered to homogenizing in efficient homogenizer, the material obtained by homogenizing, repository, hermetically drying is delivered to
Storage, produces ordinary cement admixture.
Realize the above method, required equipment includes kiln body, kiln hood, dryer, roll squeezer, blender, ball mill and
Change device；Kiln hood is installed on the kiln body front end；The kiln hood connects connection exhaust column at the top of cooler, the cooler, described
The air inlet connection of exhaust column and air exhauster, the air exhauster air outlet connects blast pipe, and the blast pipe is connected with dryer；
The feed end of the dryer and the discharge end of roll squeezer are connected, and the discharge end of the dryer and the feed end of blender connect
Connect, the discharge end of the blender and the feed end of ball mill are connected, the discharge end of the ball mill and the feed end of homogenizer
Connection；The discharge end of the homogenizer is connected with repository.
Produced in the clinker that cooler cooling described above comes from kiln hood conveying, cooling procedure in cooler substantial amounts of
Cool down waste gas, as cooled exhaust gas, some is reclaimed into kiln the tail gas that early stage cooling is produced as hot-air, also some
Enter dore furnace from tertiary-air pipe, also some hot blast is used to generate electricity, and the hot blast temperature of this several part is higher；In follow-up cement
The tail gas produced during clinker cooling, temperature is relatively low, but also contains substantial amounts of heat in this partial tail gas, this partial tail gas
Temperature is about 200 DEG C, if directly outer arrange, it will cause wasting for this partial heat；In order to be able to fully by this part tail
Gas is reused, and is realized and is saved the energy, reduces the purpose of energy consumption, this partial tail gas can be used for into the drying or preheating to material
Deng.
Dryer described above and roll squeezer, dryer and blender, blender and ball mill, ball mill and homogenizer,
Conveyer belt is taken to connect between homogenizer and repository.
Conveyer belt material described above is fluorubber, the fluorubber (Fluorelastomer) refer to main chain or side chain
Synthesis macromolecular elastomer containing fluorine atom on carbon atom.Because C-F bond energys are big (every mole of 485 kJ), and fluorine atom is common
Valency radius is 0.064 nm, equivalent to the half of C-C bond distance, therefore fluorine atom can well shield C-C main chains,
The stability of C-C chains is ensure that, the incomparable excellent properties of other rubber, such as high temperature resistant, oil resistant, chemically-resistant are made it have
Medicine performance, good physical and mechanical properties and weatherability, electrical insulating property and radiation resistance etc., in all synthetic rubber its
Combination property is optimal, is commonly called as " rubber king ".
Deduster and valve are installed, valve can stop hot gas, be maintainer in maintenance on exhaust column described above
Safety guarantee is provided.
Screen pack is provided with deduster described above, screen pack can be removed and installed, changed in time.
Above-described air exhauster is high temperature resistant air exhauster.
Above-described slag is granulated blast-furnace slag, stainless steel waste residue, electrolytic manganese waste residue or the mixing more than two
Thing.
Above-described granulated blast-furnace slag is the height for being treated as granular solid matter in ironmaking processes through water or air quenching
Stove slag and water-granulated slag, its chemical composition are close with Portland clinker composition, according to raw material difference containing titanium dioxide
Silicon, alundum (Al2O3), calcium oxide, magnesia and its a small amount of metal oxide and some sulfide, through the ore deposit after water quenching chilling
Slag contains the more vitreum of content.
Above-described stainless steel waste residue is the stainless steel waste residue discharged in stainless steel surfaces process, and the slag contains
Fe, 42.35%, Cr, 9.67%, Ni, 5.1%, C, 4.7%, Si, 3.39%, the in addition member such as also a small amount of Mn, Mo, Cu, Ti
Element.
Described electrolytic manganese waste residue is by containing CaSO4·2H2O manganese slag carries out 102~115 DEG C of low temperature dryings and caused respectively
Water content is less than 15%, is then handled 0.5~1 hour in 300 DEG C of high-temperature calcinations, then substitutes gypsum and is used as retarder and enhancing
Agent.
Fine particle size in step described above is 50~100 mesh.
Substantive distinguishing features and marked improvement of the present invention with protrusion are：
1st, the tail gas progress drying miberal powder that the present invention is produced using later stage cooling clinker is clinker in cooler
When early stage is cooled down, the temperature of this part is higher, for returning kiln, decomposing the purposes such as stove heat, and during later stage cooling, produced tail
Temperature degree is relatively low, and cement miberal powder is dried with this partial tail gas, the moisture of larger reduction cement miberal powder, is carried so as to larger
The speed that high cement miberal powder is milled in ball mill, because of the miberal powder after drying, water content is low, produced by milling process
Quantity of steam is few, ball milling function efficient operation；The qualification rate of milling is improved, good condition, the utilization of waste heat are provided for efficiently homogenizing
Realization makes full use of to the energy, the additional energy source used in drying miberal powder is also saved, so as to reduce energy loss.
2nd, the exhaust temperature for being used to dry in the present invention is about 200 DEG C, is worked well for drying miberal powder；Water after drying
Mud miberal powder enters mill, and material moisture reduces by less than 3.0%, during production PO42.5 cement, more than output increased 8t/h；Produce PC32.5R
Cement, output increased 13t/h, reduction production more than power consumption 5kWh.
3rd, conveyer belt has resistance to elevated temperatures in the present invention, can bear the temperature of charge in each stage, take conveyer belt to convey
Cement-slag, without charging or discharging, the process for saving discharging and charging the time required to shortening baking operation, improves production effect
Rate, also with regard to energy consumption can be reduced.
4th, deduster and valve are installed on exhaust column in the present invention, deduster in time can be carried out the dust in hot blast
Elimination is removed, and the screen pack in deduster can be removed and installed, and screen pack is changed in time, it is ensured that drying work is just
Often carry out；Valve can be closed when overhauling or changing screen pack, can stop hot blast, overhaul or changing screen pack, it is ensured that
The safety of operating personnel.
Brief description of the drawings
Fig. 1 is a kind of structural representation using the method and apparatus for cooling down clinker tail gas drying miberal powder of the present invention；
Fig. 2 is operational flowchart of the invention；
Sequence number is corresponding entitled in figure：
Kiln body -1, kiln hood -2, dryer -3, conveyer belt -4, roll squeezer -5, blender -6, ball mill -7, homogenizer -8, storage
Storehouse -9, blast pipe -10, air exhauster -11, exhaust column -12, deduster -13, screen pack -14, valve -15, cooler -16.
Embodiment
In order that technical scheme and advantage are clearer, with reference to embodiments of the invention, to the present invention
Technical scheme be clearly and completely described.
A kind of to utilize the method that clinker tail gas dries miberal powder that cools down, methods described includes following steps：
（1）Kiln hood on kiln body front end is connected with cooler, clinker is cooled down from kiln hood into cooler, produced cold
But tail gas；
（2）Cooler is connected with dryer by exhaust column, the exhaust column is connected with air exhauster, taken out by the air exhauster
Cooled exhaust gas is taken as dryer thermal source；Cooled exhaust gas is oven-dried after machine utilization, is carried out dedusting through pipeline to dust-precipitator, is removed
The qualified heel row amplification gas of dirt；
（3）Slag is rolled into fine powder by roll squeezer；Gained fine powder is dried by Belt Conveying to dryer；
（4）Fine powder after drying is delivered in blender, is sufficiently mixed, mixing material is made, it is standby；
（5）Mixing material is delivered in Inside sifter efficient ball mill, grinding is carried out, miberal powder is made, it is standby；
（6）Miberal powder is delivered to homogenizing in efficient homogenizer, the material obtained by homogenizing, repository is delivered to, stores, produces
Ordinary cement admixture.
The above method is realized, required equipment includes kiln body 1, kiln hood 2, dryer 3, roll squeezer 5, blender 6, ball mill
7th, homogenizer 8 and cooler 16；Kiln hood 2 is installed on the front end of kiln body 1；The kiln hood 2 connects cooler 16, the cooler
16 tops connect exhaust columns 12, and exhaust column 12 is connected with the inside of cooler 16, and the exhaust column 12 enters with air exhauster 11
Air port is connected, and the air outlet of air exhauster 11 connects blast pipe 10, and the blast pipe 10 is connected with dryer 3；The dryer 3
Feed end be connected with the discharge end of roll squeezer 5, the discharge end of the dryer 3 is connected with the feed end of blender 6, described mixed
The discharge end of clutch 6 is connected with the feed end of ball mill 7, and the discharge end of the ball mill 7 is connected with the feed end of homogenizer 8；
The discharge end of the homogenizer 8 is connected with repository 9.
The dryer 3 and roll squeezer 5, dryer 3 and blender 6, blender 6 and ball mill 7, ball mill 7 and homogenizing
Conveyer belt 4 is taken to connect between device 8, homogenizer 8 and repository 9.
The material of conveyer belt 4 is the conveyer belt 4 connected between fluorubber, each equipment, and it is to drive electricity by conveyer belt
Machine is rotated as power source, driving conveyer belt 4 so that what conveyer belt 4 can be promptly and accurately is delivered to material corresponding each equipment.
It is provided with the exhaust column 12 in deduster 13 and valve 15, deduster 13 provided with the screen pack detachably installed
14, screen pack 14 can will be pumped through out of kiln hood 2 come hot blast carry out dedusting, can it is larger reduction hot blast in dust to air exhauster 11
Influence, also can the larger service life for extending air exhauster 11.
Described air exhauster 11 is high temperature resistant air exhauster, and the surrounding of air exhauster 11 adds guard rail, and is connected with air exhauster 11
Exhaust column 12 and blast pipe 10 tube wall on the outside of on carry out insulation, this can cause hot blast course of conveying heat damage
Consumption is reduced, and safety effect can be played again, it is to avoid is occurred operating personnel and is not intended to touch the risk that tube wall is burned.
Described slag is granulated blast-furnace slag, stainless steel waste residue, electrolytic manganese waste residue or the mixture more than two；I.e.
It can first pass through roll squeezer 5 with single kind of slag to carry out being rolled into fine powder, fine powder is delivered to drying machine 3 and dried, thin after drying
Powder is transported in blender 6 deposit or warehouse storage, wait when the fine powder of required slag is collected in blender 6 or wait by
The fine powder of required slag completes and is delivered to blender 6 again, starts blender 6 and works, various slag fine powders are mixed.
Can also carry out required slag by roll squeezer 5 together to be rolled into fine powder, drying machine 3 is dried, into mixed
Clutch 6 is sufficiently mixed.
Application Example：
The present invention is used in Hezhou City cement plant, and using effect is as follows：
Clinker cools down about 200 DEG C of waste gas after gathering dust, and is directly discharged to air, partial heat energy is not utilized effectively,
Simultaneously because EGT is high, the dust-collecting efficiency that easily influence electricity gathers dust, electric energy increase.Using after the present invention enter drying before containing about
Reached after the material drying of 30% moisture less than 2% moisture, meet cement grinding process requirement, go out the EGT of drying
Less than 80 DEG C are dropped to, the dust-collecting efficiency that electricity gathers dust is improved, multiple economic benefit is obtained.
Cement mill feed material moisture after drying drops to less than 2.0%；When producing PO42.5 cement, the production of cement grinding mill platform is improved
More than 8t/h；When producing PC32.5R cement, the production of cement grinding mill platform improves more than 13t/h；Reduction produces power consumption up to 5 more than kWh/t.
Described above is not limitation of the present invention, and the present invention is also not limited to examples detailed above, the art it is general
Logical technical staff, in the essential scope of the present invention, the variations, modifications, additions or substitutions made should all belong to the guarantor of the present invention
Protect scope.
Claims (9)
1. a kind of utilize the method for cooling down clinker tail gas drying miberal powder, it is characterised in that：Methods described includes following
Step：
（1）Kiln hood on kiln body front end is connected with cooler, clinker is cooled down from kiln hood into cooler, produced cold
But tail gas；
（2）Cooler is connected with dryer by exhaust column, the exhaust column is connected with air exhauster, taken out by the air exhauster
Cooled exhaust gas is taken as dryer thermal source；
（3）Slag is rolled into fine powder by roll squeezer；Gained fine powder is dried by Belt Conveying to dryer；
（4）Fine powder after drying is delivered in blender, is sufficiently mixed, mixing material is made, it is standby；
（5）Mixing material is delivered in Inside sifter efficient ball mill, grinding is carried out, miberal powder is made, it is standby；
（6）Miberal powder is delivered to homogenizing in efficient homogenizer, the material obtained by homogenizing, repository, hermetically drying is delivered to
Storage, produces ordinary cement admixture.
2. according to claim 1 utilize the method for cooling down clinker tail gas drying miberal powder, it is characterised in that：In realization
Method is stated, required equipment includes kiln body（1）, kiln hood（2）, dryer（3）, roll squeezer（5）, blender（6）, ball mill（7）、
Homogenizer（8）And cooler（16）；The kiln body（1）Kiln hood is installed on front end（2）；The kiln hood（2）Connect cooler（16）,
The cooler（16）Top connects exhaust column（12）, the exhaust column（12）With air exhauster（11）Air inlet connection, it is described
Air exhauster（11）Air outlet connects blast pipe（10）, the blast pipe（10）With dryer（3）Connection；The dryer（3）'s
Feed end and roll squeezer（5）Discharge end connection, the dryer（3）Discharge end and blender（6）Feed end connection, institute
State blender（6）Discharge end and ball mill（7）Feed end connection, the ball mill（7）Discharge end and homogenizer（8）'s
Feed end is connected；The homogenizer（8）Discharge end and repository（9）Connection.
3. according to claim 2 utilize the method for cooling down clinker tail gas drying miberal powder, it is characterised in that：It is described to dry
Dry machine（3）With roll squeezer（5）, dryer（3）With blender（6）, blender（6）With ball mill（7）, ball mill and homogenizer
（8）, homogenizer（8）With repository（9）Between take conveyer belt（4）Connection.
4. according to claim 3 utilize the method for cooling down clinker tail gas drying miberal powder, it is characterised in that：It is described defeated
Send band（4）Material is fluorubber.
5. according to claim 2 utilize the method for cooling down clinker tail gas drying miberal powder, it is characterised in that：It is described to take out
Airduct（12）On deduster is installed（13）And valve（15）.
6. according to claim 5 utilize the method for cooling down clinker tail gas drying miberal powder, it is characterised in that：It is described to remove
Dirt device（13）It is interior to be provided with screen pack（14）.
7. according to claim 1 or 2 utilize the method for cooling down clinker tail gas drying miberal powder, it is characterised in that：Institute
The air exhauster stated（11）For high temperature resistant air exhauster.
8. according to claim 1 utilize the method for cooling down clinker tail gas drying miberal powder, it is characterised in that：Described
Slag is granulated blast-furnace slag, stainless steel waste residue, electrolytic manganese waste residue or the mixture more than two.
9. according to claim 1 utilize the method for cooling down clinker tail gas drying miberal powder, it is characterised in that：The step
Suddenly（2）In fine particle size be 50~100 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710608912.0A CN107188439A (en) | 2017-07-25 | 2017-07-25 | Utilize the method and apparatus for cooling down clinker tail gas drying miberal powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710608912.0A CN107188439A (en) | 2017-07-25 | 2017-07-25 | Utilize the method and apparatus for cooling down clinker tail gas drying miberal powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107188439A true CN107188439A (en) | 2017-09-22 |
Family
ID=59884556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710608912.0A Pending CN107188439A (en) | 2017-07-25 | 2017-07-25 | Utilize the method and apparatus for cooling down clinker tail gas drying miberal powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107188439A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109127650A (en) * | 2018-07-26 | 2019-01-04 | 四川海沛环保科技有限公司 | A method of utilizing cement kiln intermediate product harmless treatment electrolytic manganese residues |
| CN112341107A (en) * | 2020-11-23 | 2021-02-09 | 广西云燕特种水泥建材有限公司 | Method for energy-saving production of composite high-strength cement by using various industrial wastes |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201704216U (en) * | 2010-03-11 | 2011-01-12 | 江山市何家山水泥有限公司 | Low-temperature exhaust-heat material drying system of cement dry-method rotary kiln |
| CN104030588A (en) * | 2014-06-24 | 2014-09-10 | 武汉市天沭科技发展有限公司 | Method for commonly and integrally milling green ecological industry solid waste and cement |
-
2017
- 2017-07-25 CN CN201710608912.0A patent/CN107188439A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201704216U (en) * | 2010-03-11 | 2011-01-12 | 江山市何家山水泥有限公司 | Low-temperature exhaust-heat material drying system of cement dry-method rotary kiln |
| CN104030588A (en) * | 2014-06-24 | 2014-09-10 | 武汉市天沭科技发展有限公司 | Method for commonly and integrally milling green ecological industry solid waste and cement |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109127650A (en) * | 2018-07-26 | 2019-01-04 | 四川海沛环保科技有限公司 | A method of utilizing cement kiln intermediate product harmless treatment electrolytic manganese residues |
| CN112341107A (en) * | 2020-11-23 | 2021-02-09 | 广西云燕特种水泥建材有限公司 | Method for energy-saving production of composite high-strength cement by using various industrial wastes |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2015389238B2 (en) | Dividing-wall rotary kiln device | |
| Saidur et al. | A review on kiln system modeling | |
| CN103771734B (en) | A kind of mass-producing calcination processing utilizes the method for electrolytic manganese residues | |
| CN108863114B (en) | Method for recycling waste heat in magnesite light burning process | |
| CN109306407B (en) | Device and method for treating and utilizing metallurgical zinc-containing dust | |
| CN103710551B (en) | Production method of rich-titanium material | |
| CN105731838B (en) | A kind of calciner and method that light calcined magnesia is prepared with giobertite | |
| CN103836948B (en) | A kind of fluidizing reactor of high-carbon molybdenum-nickel ore and system | |
| CN109055726A (en) | A kind for the treatment of process of rotary hearth furnace zinc-containing dust | |
| CN107188439A (en) | Utilize the method and apparatus for cooling down clinker tail gas drying miberal powder | |
| CN105314894A (en) | Rotary kiln device and method for indirectly producing lime and recycling carbon dioxide | |
| CN105236772A (en) | Shaft kiln-partition rotary kiln combination unit | |
| CN103276195B (en) | Stone coal vanadium ore shaft roasting method and system | |
| AU2022200483B1 (en) | Method for recovering valuable metal from high-zinc and high-lead smelting slag | |
| CN102127634B (en) | Molybdenite concentrate suspended-state roasting process and equipment | |
| CN113028827A (en) | Operation method of spodumene calcination conversion device | |
| CN205152076U (en) | Electrolytic manganese sediment utilization system | |
| CN205448721U (en) | Hot DRI cooling device of rotary hearth furnace | |
| CN104261700A (en) | Device and method for manufacturing dry ice by utilizing radiant heat to produce active lime | |
| CN214009940U (en) | Energy-saving suspension roasting coal gangue treatment system | |
| CN204625479U (en) | A kind of indirect calcination is produced lime, is reclaimed the rotary kiln device of carbonic acid gas | |
| CN104593596B (en) | A kind of microwave preroast and the method for mineral hot furnace Joint Production manganeisen | |
| CN210314424U (en) | Full hot charging production line for ferromanganese production | |
| CN104846194B (en) | Cooling method of chloridized roasted pellets | |
| CN210420084U (en) | System for processing low-grade tin raw material by reduction roasting |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170922 |
|
| RJ01 | Rejection of invention patent application after publication |