CN107388816A - A kind of helical blade type center heating cement curing rotary kiln - Google Patents
A kind of helical blade type center heating cement curing rotary kiln Download PDFInfo
- Publication number
- CN107388816A CN107388816A CN201710705192.XA CN201710705192A CN107388816A CN 107388816 A CN107388816 A CN 107388816A CN 201710705192 A CN201710705192 A CN 201710705192A CN 107388816 A CN107388816 A CN 107388816A
- Authority
- CN
- China
- Prior art keywords
- rotary kiln
- cylinder
- cement
- curing
- curing rotary
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/14—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge
- F27B7/16—Rotary-drum furnaces, i.e. horizontal or slightly inclined with means for agitating or moving the charge the means being fixed relatively to the drum, e.g. composite means
-
- 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
- C04B7/4438—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 the fuel being introduced directly into the rotary kiln
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention discloses a kind of helical blade type center heating cement curing rotary kiln, including curing rotary kiln cylinder, the gas combustion heating cylinder being arranged in the curing rotary kiln cylinder, the calcining conveyor screw blade being arranged between the curing rotary kiln cylinder and the gas combustion heating cylinder, 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 internal diameter of the calcining conveyor screw blade is equal with the external diameter of the gas combustion heating cylinder, the calcining conveyor screw blade is fixedly installed on the madial wall of the curing rotary kiln cylinder.The invention provides a kind of helical blade type center heating cement curing rotary kiln, solid slag can not be produced when heating and calcining cement mixing raw material, and cement slurry can be heated evenly, so as to reduce the energy consumption of cement curing rotary kiln.
Description
Technical field
The present invention relates to a kind of cement production process equipment technical field, particularly a kind of helical blade type center heating water
Mud cures rotary kiln.
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 mainly provides heat by coal dust firing, and coal dust firing can produce solid slag, it is necessary to periodically
Cinder cleaning is carried out to cement rotary kiln, so as to add the workload for using cement rotary kiln；In addition, water of the prior art
Easily there is caking attachment phenomenon in calcination process in cement mixing raw material in mud rotary kiln so that cement burning process
It is middle oversaturated situation of being heated to be present, therefore add the calcining heat consumption of cement slurry, and make cement slurry it is heated not
Uniformly, the energy consumption of cement curing rotary kiln is added.
The content of the invention
For overcome the deficiencies in the prior art, the invention provides a kind of helical blade type center heating cement curing revolution
Kiln, solid slag can not be produced when heating and calcining cement mixing raw material, and cement slurry can be made heated equal
It is even, so as to reduce the energy consumption of cement curing rotary kiln.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of helical blade type center heating cement curing rotary kiln, including cure rotary kiln cylinder, be arranged at the curing revolution
Gas combustion heating cylinder in kiln cylinder, the calcining being arranged between the curing rotary kiln cylinder and the gas combustion heating cylinder are defeated
Square auger blade, the gas combustion heating cylinder are coaxially disposed with the curing rotary kiln cylinder, and the calcining conveyor screw leaf
The external diameter of piece is equal with the internal diameter of the curing rotary kiln cylinder, and the internal diameter of the calcining conveyor screw blade burns with the gas
The external diameter of cartridge heater is equal, and the calcining conveyor screw blade is fixedly installed on the madial wall of the curing rotary kiln cylinder.
As the further improvement of above-mentioned technical proposal, the axial direction of the gas combustion heating cylinder is closed at both ends, the gas
The upstream end of body combustion heating cylinder is provided with heating exhaust emission tube road, and the downstream of the gas combustion heating cylinder is provided with combustion
Gas mixing pipeline is burnt, the burning gases mixed pipe line connection fuel gas intake line and combustion blower are described flammable
Air-flow stop safety valve is provided with gas inlet pipe road.
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 lower end of the cement slurry cast hopper are tightly connected with the cement slurry dog-house, the cement slurry cast hopper
Upper end and cement slurry calcining preheater be tightly connected, the heating exhaust emission tube road connects the cement slurry cast hopper
Preheater is calcined with the cement slurry.
As the further improvement of above-mentioned technical proposal, the clinker discharge gate connects clinker cooling storehouse, institute
The upstream end for stating clinker cooling storehouse is provided with clinker cooling blast pipe, and described clinker cooling blast pipe one end connects the water
Mud 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.
Compared with prior art, the beneficial effects of the invention are as follows：
A kind of helical blade type center heating cement curing rotary kiln provided by the present invention, by setting burning gases mixing tube
Road, fuel gas intake line and combustion blower, and air-flow stop safety valve is set on fuel gas intake line, can
When heating and calcining cement mixing raw material, solid slag is not produced；And conveyor screw blade is calcined by setting, calcining
Conveyor screw blade can avoid cement mixing raw material from occurring caking in calcination process attached with curing rotary kiln cylinder synchronous rotary
The phenomenon, the calcining heat consumption of cement slurry is reduced, is heated evenly cement slurry, so as to reduce cement curing rotary kiln
Energy consumption.
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 helical blade type center heating cement curing rotary kiln 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 helical blade type center heating cement curing rotary kiln, including curing rotary kiln cylinder 1, setting
In the gas combustion heating cylinder 2 in the curing rotary kiln cylinder 1, it is arranged at the curing rotary kiln cylinder 1 and gas burning
Calcining conveyor screw blade 3 between cartridge heater 2, the gas combustion heating cylinder 2 are coaxially set with the curing rotary kiln cylinder 1
Put, and the external diameter of the calcining conveyor screw blade 3 is equal with the internal diameter of the curing rotary kiln cylinder 1, the calcining conveying spiral shell
The internal diameter of vane piece 3 is equal with the external diameter of the gas combustion heating cylinder 2, and the calcining conveyor screw blade 3 is fixedly installed on
On the madial wall of the curing rotary kiln cylinder 1.
As preferable, the axial direction of the gas combustion heating cylinder 2 is closed at both ends, the gas combustion heating cylinder 2 it is upper
Trip end is provided with heating exhaust emission tube road 4, and the downstream of the gas combustion heating cylinder 2 is provided with burning gases mixed pipe line
5, the burning gases mixed pipe line 5 connects fuel gas intake line 6 and combustion blower 7, the fuel gas input pipe
Air-flow stop safety valve 8 is provided with road 6.The axial both ends open of the curing rotary kiln cylinder 1, and the curing rotary kiln cylinder
1 upstream end is provided with rotary kiln upstream mounting seat 9, and the downstream of the curing rotary kiln cylinder 1 is provided with rotary kiln downstream peace
Seat 10 is filled, the top of rotary kiln upstream mounting seat 9 is provided with cement slurry dog-house 11, rotary kiln downstream mounting seat
10 bottom is provided with clinker discharge gate 12.
As preferable, the top of the cement slurry dog-house 11 is provided with cement slurry cast hopper 13, the cement
The lower end of raw material cast hopper 13 is tightly connected with the cement slurry dog-house 11, the upper end of the cement slurry cast hopper 13 with
Cement slurry calcining preheater 14 is tightly connected, and the heating exhaust emission tube road 4 connects the He of cement slurry cast hopper 13
The cement slurry calcines preheater 14.The clinker discharge gate 12 connects clinker cooling storehouse 15, and the cement is ripe
The upstream end of material cooling storehouse 15 is provided with clinker cooling blast pipe 16, and described one end of clinker cooling blast pipe 16 connects the cement
Clinker cooling storehouse 15, the other end connection clinker cooling air blower 17 of the clinker cooling blast pipe 16.
As preferable, the outside of the curing rotary kiln cylinder 1 is provided with kiln cylinder revolving support ring 18, the kiln cylinder revolution
Support ring 18 is between rotary kiln upstream mounting seat 9 and rotary kiln downstream mounting seat 10, and the kiln cylinder turns round
For the coaxial package of support ring 18 on the curing rotary kiln cylinder 1, the inner side of the kiln cylinder revolving support ring 18 is provided with some kilns
Cylinder revolution driving wheel 19, the roll surface of some kiln cylinder revolution driving wheels 19 are close to the lateral surface of the curing rotary kiln cylinder 1,
And the axis of some kiln cylinder revolution driving wheels 19 is each parallel to the axis of the curing rotary kiln cylinder 1.
During work, cement slurry is delivered to the cement slurry first and calcines preheater 14, then passes through the cement
Cement slurry is put into rotary kiln upstream mounting seat 9 by raw material cast hopper 13, will by the calcining conveyor screw blade 3
Cement slurry is brought into the curing rotary kiln cylinder 1 and is sintered into as clinker, pacifies then into the rotary kiln downstream
Seat 10 is filled, and is discharged by the clinker discharge gate 12, is cooled down into the clinker cooling storehouse 15.
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. helical blade type center heating cement curing rotary kiln, it is characterised in that：Including curing rotary kiln cylinder（1）, set It is placed in the curing rotary kiln cylinder（1）Interior gas combustion heating cylinder（2）, be arranged at it is described curing rotary kiln cylinder（1）With it is described Gas combustion heating cylinder（2）Between calcining conveyor screw blade（3）, the gas combustion heating cylinder（2）Cured back with described Rotary kiln cylinder（1）It is coaxially disposed, and the calcining conveyor screw blade（3）External diameter with it is described curing rotary kiln cylinder（1）Internal diameter It is equal, the calcining conveyor screw blade（3）Internal diameter and the gas combustion heating cylinder（2）External diameter it is equal, the calcining Conveyor screw blade（3）It is fixedly installed on the curing rotary kiln cylinder（1）Madial wall on.
- A kind of 2. helical blade type center heating cement curing rotary kiln according to claim 1, it is characterised in that：It is described Gas combustion heating cylinder（2）Axial direction it is closed at both ends, the gas combustion heating cylinder（2）Upstream end be provided with heating tail gas row Go out pipeline（4）, the gas combustion heating cylinder（2）Downstream be provided with burning gases mixed pipe line（5）, the burning gases Mixed pipe line（5）Connect fuel gas intake line（6）And combustion blower（7）, the fuel gas intake line（6）On set It is equipped with air-flow stop safety valve（8）.
- A kind of 3. helical blade type center heating cement curing rotary kiln according to claim 2, it is characterised in that：It is described Cure 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 peace Fill seat（9）, the curing rotary kiln cylinder（1）Downstream be provided with rotary kiln downstream mounting seat（10）, the rotary kiln upstream Mounting seat（9）Top be provided with cement slurry dog-house（11）, rotary kiln downstream mounting seat（10）Bottom be provided with Clinker discharge gate（12）.
- A kind of 4. helical blade type center heating cement curing rotary kiln according to claim 3, it is characterised in that：It is described Cement slurry dog-house（11）Top be provided with cement slurry cast hopper（13）, the cement slurry cast hopper（13）Lower end With the cement slurry dog-house（11）It is tightly connected, the cement slurry cast hopper（13）The calcining of upper end and cement slurry it is pre- Hot device（14）It is tightly connected, the heating exhaust emission tube road（4）Connect the cement slurry cast hopper（13）With the cement Raw material calcine preheater（14）.
- A kind of 5. helical blade type center heating cement curing rotary kiln according to claim 3, it is characterised in that：It is described Clinker discharge gate（12）Connect clinker cooling storehouse（15）, the clinker cooling storehouse（15）Upstream end be provided with Clinker cooling blast pipe（16）, the clinker cooling blast pipe（16）One end connects the clinker cooling storehouse（15）, it is described Clinker cooling blast pipe（16）The other end connection clinker cooling air blower（17）.
- A kind of 6. helical blade type center heating cement curing rotary kiln according to claim 3, it is characterised in that：It is described Cure rotary kiln cylinder（1）Outside be provided with kiln cylinder revolving support ring（18）, the kiln cylinder revolving support ring（18）Positioned at described Rotary kiln upstream mounting seat（9）With rotary kiln downstream mounting seat（10）Between, and the kiln cylinder revolving support ring（18）Together Axle sleeve is mounted in the curing rotary kiln cylinder（1）On, the kiln cylinder revolving support ring（18）Inner side be provided with the revolution of some kiln cylinders Driving wheel（19）, some kiln cylinder revolution driving wheels（19）Roll surface be close to it is described curing rotary kiln cylinder（1）Lateral surface, And some kiln cylinder revolution driving wheels（19）Axis each parallel to it is described curing rotary kiln cylinder（1）Axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710705192.XA CN107388816A (en) | 2017-08-17 | 2017-08-17 | A kind of helical blade type center heating cement curing rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710705192.XA CN107388816A (en) | 2017-08-17 | 2017-08-17 | A kind of helical blade type center heating cement curing rotary kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107388816A true CN107388816A (en) | 2017-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710705192.XA Pending CN107388816A (en) | 2017-08-17 | 2017-08-17 | A kind of helical blade type center heating cement curing rotary kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107388816A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110006241A (en) * | 2019-04-26 | 2019-07-12 | 深圳市山村联合实业有限公司 | A kind of drying oven |
| CN110006242A (en) * | 2019-04-26 | 2019-07-12 | 深圳市山村联合实业有限公司 | A kind of drying oven |
| CN111365983A (en) * | 2020-04-23 | 2020-07-03 | 河南龙成煤高效技术应用有限公司 | Rotary kiln |
| CN112033145A (en) * | 2020-11-05 | 2020-12-04 | 小跃科技(北京)有限公司 | Rotary kiln capable of improving calcination efficiency |
| KR20220006745A (en) * | 2020-07-09 | 2022-01-18 | 주식회사 탑이엔에스 | Apparatus of recovering valuable metal of spent SCR catalyst having discharge pipe |
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| WO2011104049A1 (en) * | 2010-02-23 | 2011-09-01 | Thyssenkrupp Polysius Ag | Process for the thermal treatment of cement raw meal in a reaction space |
| CN103604304A (en) * | 2013-11-22 | 2014-02-26 | 中国矿业大学(北京) | Energy-efficient reduction rotary furnace |
| CN104567349A (en) * | 2014-12-08 | 2015-04-29 | 广西泰星电子焊接材料有限公司 | Gas rotary kiln |
| CN205373395U (en) * | 2016-03-01 | 2016-07-06 | 浙江荣兴活性炭有限公司 | Regenerated carbon heating furnace |
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| JPH07206487A (en) * | 1994-01-25 | 1995-08-08 | Ishikawajima Harima Heavy Ind Co Ltd | Calcination furnace |
| US20080014540A1 (en) * | 2004-12-30 | 2008-01-17 | Schwab James J | Apparatus for controlling pollution from a cement plant |
| WO2011104049A1 (en) * | 2010-02-23 | 2011-09-01 | Thyssenkrupp Polysius Ag | Process for the thermal treatment of cement raw meal in a reaction space |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110006241A (en) * | 2019-04-26 | 2019-07-12 | 深圳市山村联合实业有限公司 | A kind of drying oven |
| CN110006242A (en) * | 2019-04-26 | 2019-07-12 | 深圳市山村联合实业有限公司 | A kind of drying oven |
| CN111365983A (en) * | 2020-04-23 | 2020-07-03 | 河南龙成煤高效技术应用有限公司 | Rotary kiln |
| KR20220006745A (en) * | 2020-07-09 | 2022-01-18 | 주식회사 탑이엔에스 | Apparatus of recovering valuable metal of spent SCR catalyst having discharge pipe |
| KR102460467B1 (en) * | 2020-07-09 | 2022-10-31 | 주식회사 탑이엔에스 | Apparatus of recovering valuable metal of spent SCR catalyst having discharge pipe |
| CN112033145A (en) * | 2020-11-05 | 2020-12-04 | 小跃科技(北京)有限公司 | Rotary kiln capable of improving calcination efficiency |
| CN112033145B (en) * | 2020-11-05 | 2021-03-02 | 小跃科技(北京)有限公司 | Rotary kiln capable of improving calcination efficiency |
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Application publication date: 20171124 |
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