CN107487994A - A kind of chamotte cooler waste heat recovery rotary kiln oxygen system - Google Patents
A kind of chamotte cooler waste heat recovery rotary kiln oxygen system Download PDFInfo
- Publication number
- CN107487994A CN107487994A CN201710714709.1A CN201710714709A CN107487994A CN 107487994 A CN107487994 A CN 107487994A CN 201710714709 A CN201710714709 A CN 201710714709A CN 107487994 A CN107487994 A CN 107487994A
- Authority
- CN
- China
- Prior art keywords
- rotary kiln
- cylinder
- clinker
- curing
- kiln cylinder
- 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.)
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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
- C04B7/44—Burning; Melting
- C04B7/4492—Inhibiting the formation of or eliminating incrustations in the cement kiln
-
- 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
- C04B7/44—Burning; Melting
- C04B7/4407—Treatment or selection of the fuel therefor, e.g. use of hazardous waste as secondary fuel ; Use of particular energy sources, e.g. waste hot gases from other processes
- C04B7/4415—Waste hot gases
-
- 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
- C04B7/47—Cooling ; Waste heat management
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of chamotte cooler waste heat recovery rotary kiln oxygen system, including curing rotary kiln cylinder and the gas combustion heating cylinder being arranged in the curing rotary kiln cylinder, the downstream connection pulverized coal air mixed pipe line of the gas combustion heating cylinder, the downstream connection clinker cooling storehouse of the curing rotary kiln cylinder；The upstream end connection clinker cooling blast pipe of the clinker cooling storehouse, the dust input of the downstream connection clinker electrostatic (electric dust) precipitator of the clinker cooling storehouse, the tail gas outlet side of the clinker electrostatic (electric dust) precipitator connect the pulverized coal air mixed pipe line.The invention provides a kind of chamotte cooler waste heat recovery rotary kiln oxygen system, cement slurry can be heated evenly, so as to reduce the energy consumption of cement curing rotary kiln, and the waste heat for the calcining tail gas that can cure rotary kiln to cement is fully recycled.
Description
Technical field
The present invention relates to a kind of cement production process equipment technical field, particularly a kind of chamotte cooler waste heat recovery rotation
Kiln oxygen system.
Background technology
Firstly the need of according to processing compound blended cement raw material in the production process of cement, then cement slurry is put into
In cement rotary kiln, clinker is made in the calcining of cement mixing raw material；Therefore cement curing rotary kiln is cement production process
In one of nucleus equipment, while cement curing rotary kiln is also the procedure of energy consumption highest one in cement production process.It is existing
Cement rotary kiln in technology.Cement mixing raw material in cement rotary kiln of the prior art easily occur in calcination process
Lump attachment phenomenon so that cement burning during oversaturated situation of being heated be present, therefore add cement slurry
Heat consumption is calcined, and makes the uneven heating of cement slurry even, adds the energy consumption of cement curing rotary kiln.
In addition the waste heat of the calcining tail gas of cement curing rotary kiln recycles and reduced at present the main of rotary kiln energy consumption
Method and primary study project.It is therefore desirable to design a kind of new cement to cure rotary kiln, cement slurry can be made to be heated
Uniformly, so as to reduce the energy consumption of cement curing rotary kiln, and the waste heat for the calcining tail gas that can cure rotary kiln to cement enters
Row fully recycles.
The content of the invention
For overcome the deficiencies in the prior art, the invention provides a kind of oxygen supply of chamotte cooler waste heat recovery rotary kiln to be
System, can be heated evenly cement slurry, so as to reduce the energy consumption of cement curing rotary kiln, and cement can be cured and turned round
The waste heat of the calcining tail gas of kiln is fully recycled.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of chamotte cooler waste heat recovery rotary kiln oxygen system, including cure rotary kiln cylinder and be arranged at described cure back
Gas combustion heating cylinder in rotary kiln cylinder, the downstream connection pulverized coal air mixed pipe line of the gas combustion heating cylinder are described
Cure the downstream connection clinker cooling storehouse of rotary kiln cylinder；The upstream end connection clinker cooling of the clinker cooling storehouse
Blast pipe, the dust input of the downstream connection clinker electrostatic (electric dust) precipitator of the clinker cooling storehouse, the cement are ripe
Expect that the tail gas outlet side of electrostatic (electric dust) precipitator connects the pulverized coal air mixed pipe line.
As the further improvement of above-mentioned technical proposal, the upstream end connection heating tail gas row of the gas combustion heating cylinder
Go out pipeline, the pulverized coal air mixed pipe line connection Pulverized Coal input funnel and combustion blower, the Pulverized Coal input
It is provided with Pulverized Coal in funnel to feed intake screw rod, the Pulverized Coal input funnel and the Pulverized Coal screw rod that feeds intake are vertical
Set；Air outlet one end of the combustion blower connects the pulverized coal air mixed pipe line, the air intake of the combustion blower
Mouth one end connects the tail gas outlet side of the clinker electrostatic (electric dust) precipitator.
As the further improvement of above-mentioned technical proposal, the axial both ends open of the curing rotary kiln cylinder, and it is described ripe
The upstream end for changing rotary kiln cylinder is provided with rotary kiln upstream mounting seat, and the downstream of the curing rotary kiln cylinder is provided with rotary kiln
Downstream mounting seat, cement slurry dog-house, the rotary kiln downstream installation are provided with the top of the mounting seat of the rotary kiln upstream
The bottom of seat is provided with clinker discharge gate.
As the further improvement of above-mentioned technical proposal, cement slurry throwing is provided with above the cement slurry dog-house
Hopper, the clinker discharge gate are connected at the top of the upstream end of the clinker cooling storehouse；The clinker cooling blast pipe
One end connects the clinker cooling storehouse, the other end connection clinker cooling air blower of the clinker cooling blast pipe.
As the further improvement of above-mentioned technical proposal, kiln cylinder revolving support is provided with the outside of the curing rotary kiln cylinder
Ring, the kiln cylinder revolving support ring is between rotary kiln upstream mounting seat and rotary kiln downstream mounting seat, and institute
Kiln cylinder revolving support ring coaxial package is stated on the curing rotary kiln cylinder, if being provided with the inside of the kiln cylinder revolving support ring
Dry kiln cylinder revolution driving wheel, the roll surface of some kiln cylinder revolution driving wheels are close to the lateral surface of the curing rotary kiln cylinder,
And the axis of some kiln cylinder revolution driving wheels is each parallel to the axis of the curing rotary kiln cylinder.
As the further improvement of above-mentioned technical proposal, in addition to it is arranged at the curing rotary kiln cylinder and gas combustion
The calcining conveyor screw blade between cartridge heater is burnt, the gas combustion heating cylinder is coaxially disposed with the curing rotary kiln cylinder,
And the external diameter of the calcining conveyor screw blade is equal with the internal diameter of the curing rotary kiln cylinder, the calcining conveyor screw blade
Internal diameter it is equal with the external diameter of the gas combustion heating cylinder, it is described calcining conveyor screw blade be fixedly installed on described cure back
On the madial wall of rotary kiln cylinder.
Compared with prior art, the beneficial effects of the invention are as follows：
A kind of chamotte cooler waste heat recovery rotary kiln oxygen system provided by the present invention, conveyor screw leaf is calcined by setting
Piece, calcining conveyor screw blade can avoid cement mixing raw material from going out in calcination process with curing rotary kiln cylinder synchronous rotary
Now lump the phenomenon of attachment, reduce the calcining heat consumption of cement slurry, be heated evenly cement slurry, so as to reduce cement curing
The energy consumption of rotary kiln；And, can by the way that the tail gas outlet side of clinker electrostatic (electric dust) precipitator is connected into pulverized coal air mixed pipe line
The waste heat of the calcining tail gas of cement curing rotary kiln is fully recycled.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is a kind of structural representation of chamotte cooler waste heat recovery rotary kiln oxygen system of the present invention.
Embodiment
Reference picture 1, Fig. 1 are the structural representations of a specific embodiment of the invention.
As shown in figure 1, a kind of chamotte cooler waste heat recovery rotary kiln oxygen system, including curing rotary kiln cylinder 1, Yi Jishe
The gas combustion heating cylinder 2 being placed in the curing rotary kiln cylinder 1, the downstream connection coal dust of the gas combustion heating cylinder 2
Air mixed pipe line 3, the downstream connection clinker cooling storehouse 4 of the curing rotary kiln cylinder 1；The clinker cooling storehouse
4 upstream end connection clinker cooling blast pipe 5, the downstream connection clinker electrostatic (electric dust) precipitator 6 of the clinker cooling storehouse 4
Dust input, the tail gas outlet side of the clinker electrostatic (electric dust) precipitator 6 connects the pulverized coal air mixed pipe line 3.
As preferable, the upstream end connection heating exhaust emission tube road 7 of the gas combustion heating cylinder 2, the coal dust
Air mixed pipe line 3 connects Pulverized Coal input funnel 8 and combustion blower 9, is provided with the Pulverized Coal input funnel 8
Pulverized Coal is fed intake screw rod 10, and the Pulverized Coal input funnel 8 and the Pulverized Coal screw rod 10 that feeds intake are vertically arranged；Institute
The air outlet one end for stating combustion blower 9 connects the pulverized coal air mixed pipe line 3, the air inlet one of the combustion blower 9
End connects the tail gas outlet side of the clinker electrostatic (electric dust) precipitator 6.The axial both ends open of the curing rotary kiln cylinder 1, and institute
The upstream end for stating curing rotary kiln cylinder 1 is provided with rotary kiln upstream mounting seat 11, and the downstream of the curing rotary kiln cylinder 1 is set
There is rotary kiln downstream mounting seat 12, the top of rotary kiln upstream mounting seat 11 is provided with cement slurry dog-house 13, described
The bottom of rotary kiln downstream mounting seat 12 is provided with clinker discharge gate 14.The Pulverized Coal is set to feed intake screw rod 10, can
To control the feed rate of coal dust while can prevent that the gas in the pulverized coal air mixed pipe line 3 is defeated from the Pulverized Coal
Enter and leaked in funnel 8.
As preferable, the top of the cement slurry dog-house 13 is provided with cement slurry cast hopper 15, the cement
Clinker discharge gate 14 is connected at the top of the upstream end of the clinker cooling storehouse 4；Described one end of clinker cooling blast pipe 5 connects institute
State clinker cooling storehouse 4, the other end connection clinker cooling air blower 16 of the clinker cooling blast pipe 5.It is described to cure back
The outside of rotary kiln cylinder 1 is provided with kiln cylinder revolving support ring 17, and the kiln cylinder revolving support ring 17 is located at rotary kiln upstream peace
Fill between seat 11 and rotary kiln downstream mounting seat 12, and the coaxial package of kiln cylinder revolving support ring 17 cures back described
On rotary kiln cylinder 1, the inner side of the kiln cylinder revolving support ring 17 is provided with some kiln cylinder revolution driving wheels 18, and some kiln cylinders return
The roll surface for turning driving wheel 18 is close to the lateral surface of the curing rotary kiln cylinder 1, and some kiln cylinder revolution driving wheels 18
Axis of the axis each parallel to the curing rotary kiln cylinder 1.
As preferable, in addition to it is arranged at forging between the curing rotary kiln cylinder 1 and the gas combustion heating cylinder 2
Conveyor screw blade 19 is burnt, the gas combustion heating cylinder 2 is coaxially disposed with the curing rotary kiln cylinder 1, and the calcining is defeated
The external diameter of square auger blade 19 is equal with the internal diameter of the curing rotary kiln cylinder 1, the internal diameter of the calcining conveyor screw blade 19
Equal with the external diameter of the gas combustion heating cylinder 2, the calcining conveyor screw blade 19 is fixedly installed on the curing revolution
On the madial wall of kiln cylinder 1.
During work, cement slurry is put into by the rotary kiln upstream by the cement slurry cast hopper 15 first and installed
Seat 11, cement slurry is brought into the curing rotary kiln cylinder 1 and is sintered into by the calcining conveyor screw blade 19
For clinker, discharged then into rotary kiln downstream mounting seat 12, and by the clinker discharge gate 14, into described
Clinker cooling storehouse 4 is cooled down.
Cooling air in the clinker cooling storehouse 4 is roused by the clinker cooling blast pipe 5 and the clinker cooling
Blower fan 16 extracts from ambient atmosphere, and the cooling gas after being heated in the clinker cooling storehouse 4 together enters with clinker dust
Enter the clinker electrostatic (electric dust) precipitator 6, then dust separates with hot-air, and hot-air enters institute by the combustion blower 9
Pulverized coal air mixed pipe line 3 is stated, so as to be recycled to the waste heat in the clinker cooling storehouse 4.
The preferable implementation to the present invention is illustrated above, and certainly, the present invention can also use and above-mentioned implementation
The different form of mode, the equivalent conversion that those skilled in the art are made on the premise of without prejudice to spirit of the invention
Or corresponding change, it should all belong in protection scope of the present invention.
Claims (6)
- A kind of 1. chamotte cooler waste heat recovery rotary kiln oxygen system, it is characterised in that：Including curing rotary kiln cylinder（1）And It is arranged at the curing rotary kiln cylinder（1）Interior gas combustion heating cylinder（2）, the gas combustion heating cylinder（2）Downstream Connect pulverized coal air mixed pipe line（3）, the curing rotary kiln cylinder（1）Downstream connection clinker cooling storehouse（4）；It is described Clinker cooling storehouse（4）Upstream end connection clinker cooling blast pipe（5）, the clinker cooling storehouse（4）Downstream Connect clinker electrostatic (electric dust) precipitator（6）Dust input, the clinker electrostatic (electric dust) precipitator（6）Tail gas outlet side connection institute State pulverized coal air mixed pipe line（3）.
- A kind of 2. chamotte cooler waste heat recovery rotary kiln oxygen system according to claim 1, it is characterised in that：The gas Body combustion heating cylinder（2）Upstream end connection heating exhaust emission tube road（7）, the pulverized coal air mixed pipe line（3）Connect coal Powder fuel inputs funnel（8）And combustion blower（9）, the Pulverized Coal input funnel（8）In be provided with Pulverized Coal and feed intake Screw rod（10）, the Pulverized Coal input funnel（8）Fed intake screw rod with the Pulverized Coal（10）It is vertically arranged；It is described combustion-supporting Air blower（9）Air outlet one end connect the pulverized coal air mixed pipe line（3）, the combustion blower（9）Air inlet one End connects the clinker electrostatic (electric dust) precipitator（6）Tail gas outlet side.
- A kind of 3. chamotte cooler waste heat recovery rotary kiln oxygen system according to claim 2, it is characterised in that：It is described ripe Change rotary kiln cylinder（1）Axial both ends open, and it is described curing rotary kiln cylinder（1）Upstream end be provided with rotary kiln upstream installation Seat（11）, the curing rotary kiln cylinder（1）Downstream be provided with rotary kiln downstream mounting seat（12）, the rotary kiln upstream peace Fill seat（11）Top be provided with cement slurry dog-house（13）, rotary kiln downstream mounting seat（12）Bottom be provided with water Mud clinker discharge gate（14）.
- A kind of 4. chamotte cooler waste heat recovery rotary kiln oxygen system according to claim 3, it is characterised in that：The water Mud raw material dog-house（13）Top be provided with cement slurry cast hopper（15）, the clinker discharge gate（14）Described in connection Clinker cooling storehouse（4）Upstream end at the top of；The clinker cooling blast pipe（5）One end connects the clinker cooling storehouse （4）, the clinker cooling blast pipe（5）The other end connection clinker cooling air blower（16）.
- A kind of 5. chamotte cooler waste heat recovery rotary kiln oxygen system according to claim 3, it is characterised in that：It is described ripe Change rotary kiln cylinder（1）Outside be provided with kiln cylinder revolving support ring（17）, the kiln cylinder revolving support ring（17）Positioned at described time Rotary kiln upstream mounting seat（11）With rotary kiln downstream mounting seat（12）Between, and the kiln cylinder revolving support ring（17）Coaxially It is sleeved on the curing rotary kiln cylinder（1）On, the kiln cylinder revolving support ring（17）Inner side be provided with the revolution of some kiln cylinders and drive Driving wheel（18）, some kiln cylinder revolution driving wheels（18）Roll surface be close to it is described curing rotary kiln cylinder（1）Lateral surface, and Some kiln cylinder revolution driving wheels（18）Axis each parallel to it is described curing rotary kiln cylinder（1）Axis.
- A kind of 6. chamotte cooler waste heat recovery rotary kiln oxygen system according to claim 1, it is characterised in that：Also include It is arranged at the curing rotary kiln cylinder（1）With the gas combustion heating cylinder（2）Between calcining conveyor screw blade（19）, institute State gas combustion heating cylinder（2）With the curing rotary kiln cylinder（1）It is coaxially disposed, and the calcining conveyor screw blade（19）'s External diameter and the curing rotary kiln cylinder（1）Internal diameter it is equal, it is described calcining conveyor screw blade（19）Internal diameter and the gas Combustion heating cylinder（2）External diameter it is equal, it is described calcining conveyor screw blade（19）It is fixedly installed on the curing rotary kiln cylinder（1） Madial wall on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710714709.1A CN107487994B (en) | 2017-08-19 | 2017-08-19 | Clinker cooler waste heat recovery rotary kiln oxygen supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710714709.1A CN107487994B (en) | 2017-08-19 | 2017-08-19 | Clinker cooler waste heat recovery rotary kiln oxygen supply system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107487994A true CN107487994A (en) | 2017-12-19 |
| CN107487994B CN107487994B (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710714709.1A Active CN107487994B (en) | 2017-08-19 | 2017-08-19 | Clinker cooler waste heat recovery rotary kiln oxygen supply system |
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| CN (1) | CN107487994B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108787121A (en) * | 2018-07-27 | 2018-11-13 | 安徽卓煌机械设备有限公司 | A kind of clinker scratch system |
| CN108787117A (en) * | 2018-07-25 | 2018-11-13 | 安徽卓煌机械设备有限公司 | A kind of screw cement chamotte crushing device |
| CN108870990A (en) * | 2018-05-16 | 2018-11-23 | 江苏群达机械科技有限公司 | A kind of energy-saving environment protection air heater |
| CN113149482A (en) * | 2021-05-25 | 2021-07-23 | 中国华能集团清洁能源技术研究院有限公司 | System for treating waste fan blade in rotary kiln and working method thereof |
| CN115010389A (en) * | 2022-08-01 | 2022-09-06 | 云南宜良西南水泥有限公司 | Cement production line capable of improving heat source utilization rate |
| CN116202313A (en) * | 2023-03-08 | 2023-06-02 | 江苏鹏飞集团股份有限公司 | Low-carbon lithium mineral roasting rotary kiln equipment with waste heat recovery |
| CN117146605A (en) * | 2023-10-27 | 2023-12-01 | 云南芒市西南水泥有限公司 | Cement clinker production waste heat recovery device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108870990A (en) * | 2018-05-16 | 2018-11-23 | 江苏群达机械科技有限公司 | A kind of energy-saving environment protection air heater |
| CN108787117A (en) * | 2018-07-25 | 2018-11-13 | 安徽卓煌机械设备有限公司 | A kind of screw cement chamotte crushing device |
| CN108787121A (en) * | 2018-07-27 | 2018-11-13 | 安徽卓煌机械设备有限公司 | A kind of clinker scratch system |
| CN113149482A (en) * | 2021-05-25 | 2021-07-23 | 中国华能集团清洁能源技术研究院有限公司 | System for treating waste fan blade in rotary kiln and working method thereof |
| CN115010389A (en) * | 2022-08-01 | 2022-09-06 | 云南宜良西南水泥有限公司 | Cement production line capable of improving heat source utilization rate |
| CN116202313A (en) * | 2023-03-08 | 2023-06-02 | 江苏鹏飞集团股份有限公司 | Low-carbon lithium mineral roasting rotary kiln equipment with waste heat recovery |
| CN117146605A (en) * | 2023-10-27 | 2023-12-01 | 云南芒市西南水泥有限公司 | Cement clinker production waste heat recovery device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107487994B (en) | 2019-12-10 |
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