CN109539777A - A kind of rotary kiln - Google Patents
A kind of rotary kiln Download PDFInfo
- Publication number
- CN109539777A CN109539777A CN201811630566.7A CN201811630566A CN109539777A CN 109539777 A CN109539777 A CN 109539777A CN 201811630566 A CN201811630566 A CN 201811630566A CN 109539777 A CN109539777 A CN 109539777A
- Authority
- CN
- China
- Prior art keywords
- rotary kiln
- kiln
- cylinder
- rotary
- lifting structure
- 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
- 239000011449 brick Substances 0.000 claims abstract description 36
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000012544 monitoring process Methods 0.000 claims description 11
- 239000000523 sample Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 abstract description 16
- 239000000463 material Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 12
- 238000001354 calcination Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000010881 fly ash Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 210000003464 cuspid Anatomy 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229940095686 granule product Drugs 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
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
- F27B7/02—Rotary-drum furnaces, i.e. horizontal or slightly inclined of multiple-chamber or multiple-drum type
-
- 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
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/42—Arrangement of controlling, monitoring, alarm or like devices
-
- 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
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/04—Casings; Linings; Walls; Roofs characterised by the form, e.g. shape of the bricks or blocks used
Abstract
The invention discloses a kind of rotary kilns.It includes the rotary kiln cylinder being obliquely installed, the kiln hood of the rotary kiln cylinder head is set, the kiln tail of rotary kiln cylinder tail portion is set, drive the transmission device of the rotary kiln barrel body rotation, the kiln tail is higher than the kiln hood, burner is disposed in the kiln hood, feed inlet and exhanst gas outlet are provided at the kiln tail, it is characterized in that: the rotary kiln cylinder inboard wall, which is piled up, fire brick layer, the fire brick layer at least three is from lifting structure that is axial along cylinder and convexing to form to arch outstanding on the inside of cylinder, the arch protrusion of the lifting structure protrudes from the surface of the fire brick layer of its side.The present invention can be such that the material in kiln uniformly roasts, and can reduce the percentage of damage of product, greatly improve properties of product, and can increase product and rotary kiln inner barrel thermal current heat exchange area, effectively increase the roasting efficiency of ceramic product.
Description
Technical field
It is especially a kind of for calcining fly ash haydite or the rotary kiln of sludge ceramsite the present invention relates to a kind of rotary kiln.
Background technique
With the generation of the flyash, municipal sludge of Industrial Solid Waste constantly increase and the limitation of river sandstone exploitation, powder
Flyash haydite, sludge ceramsite etc. are replacing traditional construction material this to solve the problems, such as.
It is exactly calcining process that haydite, which produces an important procedure, and present calcining process majority uses rotary kiln.It is existing
There is the defects of thermal efficiency is low, ceramic product is easily broken, kiln body takes up a large area mostly in rotary kiln.Therefore, revolution how is improved
The kiln thermal efficiency and the quality for how improving product are a key technologies.
Summary of the invention
In view of the above defects of the prior art, the present invention provides a kind of hot working efficiency height, haydite percentage of damage are low
Rotary kiln.
The present invention is achieved by the following technical solution: a kind of rotary kiln, including the rotary kiln cylinder being obliquely installed, if
The kiln hood in the rotary kiln cylinder head is set, the kiln tail of rotary kiln cylinder tail portion is set, drives the rotary kiln barrel body rotation
Transmission device, the kiln tail is higher than the kiln hood, is disposed with burner in the kiln hood, is provided with feed inlet at the kiln tail
And exhanst gas outlet, it is characterized in that: the rotary kiln cylinder inboard wall, which is piled up, fire brick layer, the fire brick layer at least three is by edge
Cylinder is axial and to the lifting structure that cylinder inside arch outstanding convexes to form, and the arch protrusion of the lifting structure protrudes from
The surface of the fire brick layer of its side.
In the present invention, by the way that the lifting structure for the arch that refractory brick is piled up is arranged, pass through lifting in the rotation of rotary kiln cylinder
Ceramic product can be promoted higher height by structure, and when haydite falls, ceramic product is under the lifting structure along arch
It falls, is not directly directly to fall from barrel during the falling process, the percentage of damage of product can be greatly reduced；And haydite falls
During, it more directly can directly be contacted with heat, heat utilization efficiency can be greatly improved, and haydite is mentioned by lifting structure
It rises in higher high process, it is also just longer with the time that heat directly contacts, therefore the intensity of ceramic product gets a promotion.By
It is greatly improved in hot working efficiency of the invention, therefore can also reduce the length of rotary kiln, reduce the occupied area of production line.
Further, in order to improve the stability of fire brick layer, the lifting structure is piled up by several blocks of wedge-shaped refractory brick
It forms, the wedge shape equal big end of refractory brick is towards the side wall of rotary kiln cylinder, and small end is towards the inside of rotary kiln cylinder.It is resistance to by wedge shape
Extruding between firebrick can increase the extruding force between refractory brick, improve the stability of fire brick layer.
Further, in order to guarantee that the stability of fire brick layer, the lifting structure are equipped with dilatation joint.
Further, in order to the roasting situation of haydite inside real-time monitoring rotary kiln, and pass through observation adjustment rotary kiln
In thermal technology's condition, improve the index of haydite, be additionally provided with industrial television monitoring system, the probe setting of industrial television monitoring system
At the kiln hood position.
Further, for the variation of accurate measurements kiln temperature and in order to more accurately monitor the temperature of haydite high temperature section
Degree, is respectively arranged with wireless temperature measuring device in warm-up phase, high temperature section and the cooling stage of the rotary kiln cylinder, described
High temperature section is along the circumferential direction uniformly arranged there are three the wireless temperature measuring device.It not only can be accurate using wireless temperature measuring device
The temperature change in kiln is monitored, and wireless device can acquire and transmit in real time data in the case where kiln body rotates, and guarantee
Temperature data is accurate, provides reliable data foundation for kiln temperature control.
Further, the driving motor for driving the transmission device of the rotary kiln barrel body rotation to use is frequency control motor.
By using frequency control motor, kiln running speed can be adjusted according to material roasting situation in rotary kiln, control haydite
In kiln residence time, to improve product quality.
The beneficial effects of the present invention are: the present invention can be such that the material in kiln uniformly roasts, properties of product can be greatly improved, and
And product and rotary kiln inner barrel thermal current heat exchange area can be increased, effectively increase the roasting efficiency of ceramic product.The present invention
It, can be by ceramic product by lifting structure in the rotation of rotary kiln cylinder by the way that the lifting structure for the arch that refractory brick is piled up is arranged
Higher height is promoted, when haydite falls, ceramic product is fallen along the lifting structure of arch, during the falling process not
It is directly directly to fall from barrel, the percentage of damage of product can be greatly reduced；It, can be more direct and during haydite falls
It is directly contacted with heat, heat utilization efficiency can be greatly improved, improve hot working efficiency, and haydite is higher by the promotion of lifting structure
High process in, the time directly contacted with heat is also just longer, therefore the intensity of ceramic product gets a promotion, and is produced
Ceramic product its cylindrical compress strength can achieve 8MPA or more.Because compared with the prior art hot working efficiency of the invention mentions significantly
Height, therefore the length of rotary kiln can be reduced, kiln length can be made to reduce more than half, greatly reduce the occupied area of production line.
The present invention increases the extruding force between refractory brick by using wedge-shaped refractory brick, improves the stability of fire brick layer；This hair
It is bright by the way that industrial television monitoring system is arranged, can inside real-time monitoring rotary kiln haydite roasting situation, and pass through observation adjustment
Thermal technology's condition in rotary kiln, improves the index of haydite；It can be with the temperature in accurate measurements kiln by using wireless temperature measuring device
Variation, and wireless device can kiln body rotate in the case where acquire and transmit in real time data make kiln body rotate in the case where
Temperature data acquisition and transmission are possibly realized, and can be controlled for kiln temperature and be provided reliable data foundation；By using frequency conversion tune
Speed motor can be adjusted kiln running speed according to material roasting situation in rotary kiln, control haydite in kiln residence time,
To improve product quality.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the schematic cross-section of the rotary kiln cylinder in the present invention；
Fig. 3 is the enlarged diagram of the lifting structure in the present invention；
In figure, 1, kiln hood, 2, sealing device, 3, wheel belt, 4, rotary kiln cylinder, 5, gear wheel, 6, feed inlet, 7, flue gas goes out
Mouthful, 8, kiln tail, 9, support roller, 10, pinion gear, 11, retarder, 12, motor, 13, thermocouple, 14, burner, 15, industrial television
The probe of monitoring system, 16, fire brick layer, 17, lifting structure, 18, dilatation joint, 19, wedge-shaped refractory brick.
Specific embodiment
Below by non-limiting embodiment and in conjunction with attached drawing, the present invention is further illustrated:
As shown in the picture, a kind of rotary kiln, the biography rotated including rotary kiln cylinder 4, kiln hood 1, kiln tail 8, driving rotary kiln cylinder 4
The head of rotary kiln cylinder 4 is arranged in by sealing device 2 for dynamic device, kiln hood 1, and kiln tail 8 is arranged by sealing device 2 in rotary kiln cylinder
4 tail portion of body.Rotary kiln cylinder 4 is obliquely installed, and kiln tail 8 is higher than kiln hood 1.The both ends of rotary kiln cylinder 4 pass through respectively to be arranged under it
The support roller 9 in portion supports, and the position that support roller 9 is corresponded on rotary kiln cylinder 4 is set with wheel belt 3, and support roller 9 is contacted with wheel belt 3.Driving turns
The transmission device that kiln cylinder body 4 rotates includes motor 12, the speed reducer 11 connecting with 12 output end of motor, pinion gear 10, gear wheel
5, the gear shaft of pinion gear 10 and the output axis connection of speed reducer 11, gear wheel 5 are sleeved on the outer wall of rotary kiln cylinder 4, small tooth
Wheel 10 is meshed with gear wheel 5.It is rotated by motor 12,11 driving pinion 10 of speed reducer, canine tooth is driven by pinion gear 10
5 drive rotary kiln cylinder 4 of wheel is rotated.In the present invention, the motor 12 that preferably driving rotary kiln cylinder 4 rotates is frequency control electricity
Machine can be adjusted kiln body running speed according to material roasting situation in rotary kiln, to control haydite in kiln residence time.
It is disposed with burner 14 in the kiln hood 1, heat temperature raising in kiln is carried out by burner 14 and bakes ceramic product.The kiln tail 8
Place is provided with feed inlet 6 and exhanst gas outlet 7, and ceramic product is entered in kiln from a upper procedure by feed inlet 6, is arranged in kiln tail
Air-introduced machine draws the flue gas that agent burns generate from exhanst gas outlet 7, and entire rotary kiln works under tiny structure.The rotary kiln
4 inner wall of cylinder, which is piled up, fire brick layer 16, and the fire brick layer at least three is from axial along cylinder and to prominent on the inside of cylinder
The lifting structure 17 that convexes to form of arch, the arch protrusion of the lifting structure 17 protrudes from the table of the fire brick layer of its side
Face.Lifting structure 17 runs through entire kiln body along the axis direction of kiln.In the present embodiment, the lifting structure 17 is by several pieces of wedge shapes
Refractory brick 19 is piled up, and the wedge shape equal big end of refractory brick 19 is towards the side wall of rotary kiln cylinder, and small end is towards rotary kiln cylinder
Inside.Wedge-shaped refractory brick 19 is nonstandard refractory brick, and the fire brick layer of rest part is piled up using standard refractory brick.Due to pottery
After granule product sinter molding, intensity is relatively high, and the refractory brick in the present embodiment uses high-strength abrasive brick, and refractory brick has very high
Intensity, wear-resisting property and certain thermal shock resistance, in the construction process, at a certain distance reserve dilatation joint 18, with
Come gap when reserving high-temperature expansion.In the present invention, set respectively in the warm-up phase of rotary kiln cylinder 4, high temperature section and cooling stage
It is equipped with wireless temperature measuring device, i.e., is respectively set at the charging of entire kiln body, at high temperature section and middle section, discharging wireless
Thermocouple 13, thermocouple 13 go deep into carrying out thermometric in kiln body.Control record is carried out to the temperature in kiln by wireless temperature measuring device.
In order to more accurately monitor the temperature of haydite high temperature section (clinkering zone), three are along the circumferential direction preferably evenly arranged in high temperature section
A wireless temperature measuring device.In the present invention, it is additionally provided with industrial television monitoring system, the probe 15 of industrial television monitoring system
Roasting feelings of the setting at 1 position of kiln hood, by the way that industrial television monitoring system is arranged, inside energy rotary kiln visible in detail
Condition.
When the invention works, transmission device is carried out by the engaged transmission driving rotary kiln cylinder 4 of gear wheel 5 and pinion gear 10
It rotates, in 4 rotary course of rotary kiln cylinder, internal material is overturn under the action of lifting structure.It is revolved in rotary kiln cylinder 4
Ceramic product can be promoted by lifting structure 17 by higher height when turning, when haydite falls, ceramic product is along arch
The lifting structure 17 of shape falls, and is not directly directly to fall from barrel during the falling process, greatly reduces the broken of product
Broken rate, and during haydite whereabouts, it more directly can directly be contacted with heat, substantially increase heat utilization efficiency.Haydite exists
It is promoted in higher high process, is lengthened with the time that heat directly contacts, therefore ceramic product is strong by lifting structure 17
Degree gets a promotion.Since hot working efficiency of the invention greatly improves, the length of rotary kiln can be reduced, kiln length can be made to reduce
More than half, greatly reduces the occupied area of production line.According to detection, it is produced by the invention go out ceramic product its pressure
Degree can achieve 8MPA or more, and for bulk density 800, product various aspects of performance is above light collection material standard requirements.
Other parts in the present embodiment are the prior art, and details are not described herein.
Claims (6)
1. the kiln hood on rotary kiln cylinder (4) head is arranged including the rotary kiln cylinder (4) being obliquely installed in a kind of rotary kiln
(1), the kiln tail (8) in rotary kiln cylinder (4) tail portion is set, the transmission device of rotary kiln cylinder (4) rotation is driven, it is described
Kiln tail (8) is higher than the kiln hood (1), is disposed with burner (14) in the kiln hood (1), is provided with charging at the kiln tail (8)
Mouth (6) and exhanst gas outlet (7), it is characterized in that: the rotary kiln cylinder (4) inner wall, which is piled up, fire brick layer, the fire brick layer is extremely
Rare three from axial along cylinder and to the lifting structure that arch outstanding on the inside of cylinder convexes to form, the arch of the lifting structure
Shape protrusion protrudes from the surface of the fire brick layer of its side.
2. rotary kiln according to claim 1, it is characterized in that: the lifting structure piled up by several blocks of wedge-shaped refractory brick and
At the wedge shape equal big end of refractory brick is towards the side wall of rotary kiln cylinder, and small end is towards the inside of rotary kiln cylinder.
3. rotary kiln according to claim 2, it is characterized in that: the lifting structure is equipped with dilatation joint.
4. rotary kiln according to claim 1 or 2 or 3, it is characterized in that: being equipped with industrial television monitoring system, industrial television
The probe of monitoring system is arranged at the kiln hood (1) position.
5. rotary kiln according to claim 1 or 2 or 3, it is characterized in that: in warm-up phase, the height of the rotary kiln cylinder (4)
Temperature section and cooling stage are respectively arranged with wireless temperature measuring device, be along the circumferential direction uniformly arranged in the high temperature section there are three
The wireless temperature measuring device.
6. rotary kiln according to claim 1 or 2 or 3, it is characterized in that: driving the transmission of rotary kiln cylinder (4) rotation
The driving motor that device uses is frequency control motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811630566.7A CN109539777A (en) | 2018-12-29 | 2018-12-29 | A kind of rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811630566.7A CN109539777A (en) | 2018-12-29 | 2018-12-29 | A kind of rotary kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109539777A true CN109539777A (en) | 2019-03-29 |
Family
ID=65830949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811630566.7A Pending CN109539777A (en) | 2018-12-29 | 2018-12-29 | A kind of rotary kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109539777A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361352A (en) * | 2020-11-13 | 2021-02-12 | 新中天环保股份有限公司 | Inner wall structure of dangerous waste incineration rotary kiln |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2553501A1 (en) * | 1983-10-17 | 1985-04-19 | Kobe Steel Ltd | ROTARY OVEN FOR GRILLING POWDERY RAW MATERIALS FOR THE MANUFACTURE OF CEMENT AND A PROCESS FOR THE OPERATION THEREOF |
| CN103575095A (en) * | 2013-11-14 | 2014-02-12 | 山东恒远利废技术发展有限公司 | Cascading type rotary kiln |
| CN205138174U (en) * | 2015-09-29 | 2016-04-06 | 万喜华 | Heating rotary kiln |
| CN106556250A (en) * | 2015-09-29 | 2017-04-05 | 万喜华 | A kind of heating rotary kiln |
| CN206847356U (en) * | 2017-06-16 | 2018-01-05 | 河南郑耐新材料有限公司 | A kind of rotary kiln for petroleum fracturing propping agent production |
| CN108645206A (en) * | 2018-05-23 | 2018-10-12 | 山东京博装备制造安装有限公司 | A kind of progressive rotary kiln |
| CN209558879U (en) * | 2018-12-29 | 2019-10-29 | 山东京博装备制造安装有限公司 | A kind of rotary kiln |
-
2018
- 2018-12-29 CN CN201811630566.7A patent/CN109539777A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2553501A1 (en) * | 1983-10-17 | 1985-04-19 | Kobe Steel Ltd | ROTARY OVEN FOR GRILLING POWDERY RAW MATERIALS FOR THE MANUFACTURE OF CEMENT AND A PROCESS FOR THE OPERATION THEREOF |
| CN103575095A (en) * | 2013-11-14 | 2014-02-12 | 山东恒远利废技术发展有限公司 | Cascading type rotary kiln |
| CN205138174U (en) * | 2015-09-29 | 2016-04-06 | 万喜华 | Heating rotary kiln |
| CN106556250A (en) * | 2015-09-29 | 2017-04-05 | 万喜华 | A kind of heating rotary kiln |
| CN206847356U (en) * | 2017-06-16 | 2018-01-05 | 河南郑耐新材料有限公司 | A kind of rotary kiln for petroleum fracturing propping agent production |
| CN108645206A (en) * | 2018-05-23 | 2018-10-12 | 山东京博装备制造安装有限公司 | A kind of progressive rotary kiln |
| CN209558879U (en) * | 2018-12-29 | 2019-10-29 | 山东京博装备制造安装有限公司 | A kind of rotary kiln |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361352A (en) * | 2020-11-13 | 2021-02-12 | 新中天环保股份有限公司 | Inner wall structure of dangerous waste incineration rotary kiln |
| CN112361352B (en) * | 2020-11-13 | 2023-06-23 | 新中天环保股份有限公司 | Dangerous waste incineration rotary kiln inner wall structure |
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