CN209131375U - A kind of rotary kiln of high-efficiency environment friendly - Google Patents
A kind of rotary kiln of high-efficiency environment friendly Download PDFInfo
- Publication number
- CN209131375U CN209131375U CN201821914738.9U CN201821914738U CN209131375U CN 209131375 U CN209131375 U CN 209131375U CN 201821914738 U CN201821914738 U CN 201821914738U CN 209131375 U CN209131375 U CN 209131375U
- Authority
- CN
- China
- Prior art keywords
- kiln
- outer cylinder
- inner cylinder
- rotary kiln
- environment friendly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model relates to rotary kiln device fields, disclose a kind of rotary kiln that heat energy efficiency is high, the rotary kiln includes kiln body, kiln head cover and kiln hood, and the kiln body is tube-in-tube structure, including the outer cylinder, inner cylinder and the combustion chamber between outer cylinder and inner cylinder being coaxially fixedly installed；Connection is mutually supported by pipeline between the outer cylinder and inner cylinder, and the material of outer cylinder is delivered to by inner cylinder by pipeline；Outer cylinder close to described kiln body one end is equipped with feed inlet, is respectively equipped with outer cylinder discharge port and inner cylinder discharge port on the outer cylinder and inner cylinder of the kiln body other end；The both ends of the combustion chamber are respectively equipped with the air inlet pipe of connection gas source and discharge the escape pipe of exhaust gas, and heat-exchange device is equipped between the air inlet pipe and escape pipe.
Description
Technical field
The utility model relates to rotary kiln device fields, more particularly, to a kind of rotary kiln that heat energy efficiency is high.
Background technique
Rotary kiln is the Thermal Equipment heated to bulk or pasty material, be widely used in nonferrous metallurgy,
The industrial departments such as iron and steel industry, refractory material, cement, chemical industry and papermaking.Rotary kiln generally includes kiln body, kiln head cover and kiln tail
Cover, in revolution, material is axially moveable while circumferentially rolling in kiln, and burner sprays into fuel, cigarette in kiln body one end
Gas is discharged by the other end, and material is heated in moving process, from low after physically or chemically changing as qualified products
End is drawn off, the generally existing following problems of rotary kiln traditional at present:
1. poor fluidity of the material in rotary kiln, a large amount of materials are deposited in rotary kiln bottom due to gravity for a long time
Portion causes material uneven heating even, and energy consumption is high, time-consuming, low output, the qualification rate of product is low, material waste is serious.
2. during rotary kiln heated material, material to be machined and burning are run in same kiln thorax, the nuisance in fuel
Matter be attached to be calcined or reducing material on, while the dust for generation of burning is fallen on material, influences the quality of product.
3. the hot cigarette of rotary kiln is without recycling, but direct outlet, the waste of resource is caused, and hot cigarette is obstructed
It crosses cooling and is directly entered dust-extraction unit, such as fiber bag precipitator, the high temperature of hot cigarette is easy to destroy dust collecting sleeve, reduces dust collecting sleeve
Service life.
Utility model content
The utility model aiming at the shortcomings in the prior art, provides that a kind of heat utilization rate is high, material is separated with burning
Rotary kiln.
The utility model aim is achieved through the following technical solutions:
A kind of rotary kiln of high-efficiency environment friendly, including kiln body, kiln head cover and kiln hood are provided, the kiln body is tube-in-tube structure,
Including the outer cylinder, inner cylinder and the combustion chamber between outer cylinder and inner cylinder being coaxially fixedly installed；
Connection is mutually supported by pipeline between the outer cylinder and inner cylinder, and by pipeline is delivered to the material of outer cylinder interior
Cylinder；Outer cylinder close to described kiln body one end is equipped with feed inlet, on the outer cylinder and inner cylinder of the kiln body other end respectively
Equipped with outer cylinder discharge port and inner cylinder discharge port；
The both ends of the combustion chamber are respectively equipped with the air inlet pipe of connection gas source and discharge the escape pipe of exhaust gas, and described
Heat-exchange device is equipped between air inlet pipe and escape pipe.
The utility model uses tube-in-tube structure kiln body, and combustion chamber is arranged between outer cylinder and inner cylinder, thus reality
Existing burner hearth and feed separation；Pipeline connects outer cylinder and inner cylinder, on the one hand plays the role of supporting inner cylinder, on the other hand realizes outer cylinder
The intercommunication between inner cylinder；Heat-exchange device is set between air inlet pipe and escape pipe, the heat carried for flue gas after burning
Heat exchange is formed with the gas newly into combustion chamber.
Further, make material successfully from kiln hood to kiln tail, the kiln body is obliquely installed compared to horizontal plane, and described
Spiral lifting blade is additionally provided in inner cylinder or/and outer cylinder.
Further, the outer cylinder discharge port, inner cylinder discharge port and the gas outlet of combustion chamber are arranged at kiln hood one
Side.
Further, the feed inlet is arranged on outer cylinder, and is located at kiln head cover side.
Further, the air inlet of the combustion chamber and matched burner are arranged in kiln head cover side, wherein burning
Device is preferably natural gas combustion engine.
Further, dust-extraction unit is additionally provided on the escape pipe.
Preferably, the dust-extraction unit is bag filter.
Further, air-introduced machine is additionally provided on the air inlet pipe and escape pipe.
Further, the heat-exchange device is heat-exchanging chamber.
Compared with prior art, the beneficial effects of the utility model are as follows:
The utility model uses tube-in-tube structure kiln body, and combustion chamber is arranged between outer cylinder and inner cylinder, thus reality
The separation of existing burner hearth and material, avoids being in contact between the flue gas generated in burner hearth and material.
On the one hand the utility model plays the role of supporting inner cylinder using pipeline connection outer cylinder and inner cylinder, on the other hand real
Intercommunication between existing outer cylinder and inner cylinder, so that kiln body is during rotation, material can move between outer cylinder and inner cylinder, thus sufficiently
The thermal energy of combustion chamber is utilized.
Heat-exchange device is arranged in the utility model between air inlet pipe and escape pipe, realizes the heat for carrying flue gas after burning
Amount with newly into combustion chamber gas heat exchange, waste heat is brought back in rotary kiln again by new air inlet body, whole process was both complete
At waste heat recycling and reusing, while also avoiding the discharge of high-temperature flue gas.
The whole heat utilization rate of rotary kiln can be increased to 82% or more from 50% by the utility model.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is only some embodiments of the utility model, for those of ordinary skill in the art, in not making the creative labor property
Under the premise of, it is also possible to obtain other drawings based on these drawings.
Fig. 1 rotary structure schematic diagram.
Fig. 2 kiln structure schematic diagram.
Wherein, 1- kiln body, 2- kiln head cover, 3- kiln hood, 4- outer cylinder, 5- inner cylinder, the combustion chamber 6-, 7- pipeline, 8- spiral are raised
Flitch, 9- feed inlet, 10- dust-extraction unit, 11- heat-exchange device, 12- air-introduced machine, 13- air-introduced machine, 41- outer cylinder discharge port, 51-
Inner cylinder discharge port, 61- air inlet pipe, 62- escape pipe, the gas outlet of the combustion chamber 63-, the air inlet of the combustion chamber 64-, 65- burner.
Specific embodiment
The utility model is further described With reference to embodiment, wherein being given for example only property of attached drawing
Illustrate, expression is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent；In order to which this reality is better described
With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
Embodiment 1
As shown in Fig. 1~2, the present embodiment provides a kind of rotary kilns of high-efficiency environment friendly, including kiln body 1, kiln head cover 2 and kiln tail
Cover 3, kiln body 1 is tube-in-tube structure, including the outer cylinder 4, inner cylinder 5 and the combustion between outer cylinder 4 and inner cylinder 5 being coaxially fixedly installed
Burn room 6；
By the mutually support connection of pipeline 7 between outer cylinder 4 and inner cylinder 5, and the material of outer cylinder 4 is delivered to by pipeline 7
Inner cylinder 5；Outer cylinder close to 1 one end of kiln body is equipped with feed inlet 9, sets respectively on the outer cylinder 4 and inner cylinder 5 of the kiln body other end
There are outer cylinder discharge port 41 and inner cylinder discharge port 51；
The both ends of combustion chamber 6 be respectively equipped with connection gas source air inlet pipe 61 and discharge exhaust gas escape pipe 62, and into
Heat-exchange device 11 is equipped between tracheae 61 and escape pipe 62.
Tube-in-tube structure kiln body is used in the present embodiment, and by combustion chamber 6(burner hearth) it is arranged between outer cylinder 4 and inner cylinder 5,
To realization burner hearth and feed separation, the flue gas generated in burner hearth is avoided to contact with material, so that the harmful substance in fuel
And the dust in combustion process is attached on material, influences the quality of material.
Outer cylinder 4 and inner cylinder 5 are connected using pipeline 7 in the present embodiment, on the one hand play the role of supporting inner cylinder 5, another party
Intercommunication between outer cylinder 4 and inner cylinder 5 is realized in face, so that kiln body is during rotation, material can move between outer cylinder 4 and inner cylinder 5,
To take full advantage of the thermal energy of combustion chamber；Wherein, due to feed inlet 9 be arranged on outer cylinder 4, and combustion chamber 6 be located at outer cylinder 4 and
Between inner cylinder 5, therefore the temperature of outer cylinder 4 wants low compared to inner cylinder 5, and material first enters the process for having a preheating from outer cylinder 4；In addition
Outer cylinder discharge port is respectively equipped on outer cylinder 4 and inner cylinder 5 with 41 and inner cylinder discharge port 51, the setting of two outlets ensure that work
Efficiency.
Heat-exchange device 11 is set between air inlet pipe 61 and escape pipe 62 in the present embodiment, realizes that flue gas is certainly after burning
The heat of band with newly into combustion chamber 6 gas heat exchange, waste heat is brought back in rotary kiln again by new air inlet body, entire mistake
Journey had both completed waste heat recycling and reusing, while also avoiding the discharge of high-temperature flue gas.
Further, in this embodiment kiln body 1 compares horizontal plane in order to make material smoothly from kiln hood enters, kiln tail comes out
It is obliquely installed, the angle with horizontal plane is 3~5 °, and is equipped with spiral lifting blade 8 for turning round in inner cylinder 4 or/and outer cylinder 5
Material is pushed in the process.
Respectively go out in the present embodiment, feeding inlet and pipeline arrangement it is as follows:
The gas outlet 63 of outer cylinder discharge port 41, inner cylinder discharge port 51 and combustion chamber is arranged at 3 side of kiln hood, charging
Mouth 9 is arranged on outer cylinder 4, and is located at 2 side of kiln head cover, and the air inlet 64 and matched burner 65 of combustion chamber are arranged in kiln
2 side of head-shield, burner 65 are preferably energy-saving and environment-friendly natural gas combustion engine.
Dust-extraction unit 10 is additionally provided in the present embodiment on escape pipe 62, the flue gas that combustion chamber 6 excludes first is removed
Dirt is then exhausted from atmosphere, and wherein dust-extraction unit 10 is preferably fiber bag precipitator, and is divided in air inlet pipe 61 and escape pipe 62
It She You not air-introduced machine 12 and air-introduced machine 13.
The working principle of the present embodiment is as follows；Material is entered in outer cylinder by feed inlet, with the rotation of kiln body, material
Pass through pipe in the process
Road is round-trip between outer cylinder and inner cylinder, and slowly mobile from kiln hood position to kiln tail position, finally from inner cylinder
The discharge port of discharge port or outer cylinder comes out；
And the flue gas that combustion chamber excludes then first passes through heat-exchanging chamber and new air inlet body carries out heat exchange, then passes through cloth-bag type
Deduster is discharged into atmosphere.
The present embodiment has passed through test, and whole heat utilization rate is very high, can be by the whole heat energy utilization of original rotary kiln
Rate is increased to 82% or more from 50%.
Obviously, above-described embodiment is only intended to clearly illustrate the technical solution of the utility model example, and simultaneously
Non- is limitations of the embodiments of the present invention.For those of ordinary skill in the art, above explained
On the basis of can also make other variations or changes in different ways.There is no need and unable to give thoroughly all embodiments
It lifts.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc. should be included in this
Within the protection scope of utility model claims.
Description of the utility model is given for the purpose of illustration and description, and is not that exhaustively or incite somebody to action this
Utility model is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.
Embodiment was chosen and described in order to better illustrate the principle and practical application of the utility model, and makes the common skill of this field
Art personnel are it will be appreciated that the utility model is suitable for the various implementations with various modifications of special-purpose to design.
Claims (10)
1. a kind of rotary kiln of high-efficiency environment friendly, including kiln body, kiln head cover and kiln hood, which is characterized in that the kiln body is sleeve
Structure, including the outer cylinder, inner cylinder and the combustion chamber between outer cylinder and inner cylinder being coaxially fixedly installed；
Connection is mutually supported by pipeline between the outer cylinder and inner cylinder, and the material of outer cylinder is delivered to by inner cylinder by pipeline；
Outer cylinder close to described kiln body one end is equipped with feed inlet, is respectively equipped on the outer cylinder and inner cylinder of the kiln body other end
Outer cylinder discharge port and inner cylinder discharge port；
The both ends of the combustion chamber are respectively equipped with the air inlet pipe of connection gas source and discharge the escape pipe of exhaust gas, and in the air inlet
Heat-exchange device is equipped between pipe and escape pipe.
2. the rotary kiln of high-efficiency environment friendly according to claim 1, which is characterized in that the kiln body is set compared to horizontal plane inclination
It sets.
3. the rotary kiln of high-efficiency environment friendly according to claim 1, which is characterized in that be additionally provided in the inner cylinder or/and outer cylinder
Spiral lifting blade.
4. the rotary kiln of high-efficiency environment friendly according to claim 1, which is characterized in that the outer cylinder discharge port, inner cylinder discharge port
And the gas outlet of combustion chamber is arranged at kiln hood side.
5. the rotary kiln of high-efficiency environment friendly according to claim 1, which is characterized in that the feed inlet is arranged on outer cylinder, and
Positioned at kiln head cover side.
6. the rotary kiln of high-efficiency environment friendly according to claim 1, which is characterized in that the air inlet of the combustion chamber and mating
Burner be arranged in kiln head cover side.
7. the rotary kiln of high-efficiency environment friendly according to claim 1, which is characterized in that be additionally provided with dedusting dress on the escape pipe
It sets.
8. the rotary kiln of high-efficiency environment friendly according to claim 7, which is characterized in that the dust-extraction unit is bag filter.
9. the rotary kiln of high-efficiency environment friendly according to claim 1, which is characterized in that also set on the air inlet pipe and escape pipe
There is air-introduced machine.
10. the rotary kiln of high-efficiency environment friendly according to claim 1, which is characterized in that the heat-exchange device is heat-exchanging chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821914738.9U CN209131375U (en) | 2018-11-21 | 2018-11-21 | A kind of rotary kiln of high-efficiency environment friendly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821914738.9U CN209131375U (en) | 2018-11-21 | 2018-11-21 | A kind of rotary kiln of high-efficiency environment friendly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209131375U true CN209131375U (en) | 2019-07-19 |
Family
ID=67246043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821914738.9U Active CN209131375U (en) | 2018-11-21 | 2018-11-21 | A kind of rotary kiln of high-efficiency environment friendly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209131375U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237936A (en) * | 2018-11-21 | 2019-01-18 | 衡阳县天宇陶瓷矿业有限公司 | A kind of rotary kiln of high-efficiency environment friendly |
-
2018
- 2018-11-21 CN CN201821914738.9U patent/CN209131375U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237936A (en) * | 2018-11-21 | 2019-01-18 | 衡阳县天宇陶瓷矿业有限公司 | A kind of rotary kiln of high-efficiency environment friendly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105731838B (en) | A kind of calciner and method that light calcined magnesia is prepared with giobertite | |
| CN103058536B (en) | Heat-accumulation dividing-wall heating rotary kiln device | |
| CN101403506A (en) | Calcium carbide stove exhaust combustion and utilization method and device | |
| CN108863114A (en) | A kind of method that the light-burned process waste heat of magnesite recycles | |
| CN101723570B (en) | Sludge treatment method for drying sludge by using coal grinding machine and using sludge for electricity generation | |
| CN109868707A (en) | A kind of original recycled aggregate drying equipment integral system and method | |
| CN107024083A (en) | A kind of biomass molding fuel drying system | |
| CN109237936A (en) | A kind of rotary kiln of high-efficiency environment friendly | |
| CN209131375U (en) | A kind of rotary kiln of high-efficiency environment friendly | |
| CN201285050Y (en) | Tail gas combustion utilization apparatus for calcium carbide furnace | |
| CN203007146U (en) | Beam type heat accumulation lime kiln | |
| CN201740411U (en) | Residual-heat utilization device of ceramic calcining kiln | |
| CN110172539A (en) | Iron content red mud recovery method, rock wool preparation method and corresponding rock wool | |
| CN205687814U (en) | A kind of giobertite prepares the calciner of light calcined magnesia | |
| CN207973684U (en) | A kind of preparation facilities producing aluminium oxide lime | |
| CN216592759U (en) | Hierarchical application system of pottery kiln waste heat | |
| CN110220386A (en) | A kind of kaolin powder pre-heating system and kaolin powder calcination system and method for calcinating comprising it | |
| CN211198619U (en) | Energy-conserving efficient carbide production system | |
| CN209326091U (en) | A kind of vertical hot furnace | |
| CN203980301U (en) | A kind of efficient energy-saving incinerator | |
| CN208293056U (en) | A kind of lateritic nickel ore RKEF smelting process smoke gas comprehensive treatment system | |
| CN202570329U (en) | Flow line production equipment for building material-added composite material | |
| CN208613051U (en) | A kind of steel slag micro mist using steel plant's waste heat flue gas selects powder system | |
| CN202814028U (en) | Dry dust-removing equipment used for producing block-shaped carburant | |
| CN205714365U (en) | A kind of second-time burning purifying processing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 421200 Xian Zhong village, Hengyang Town, Hengyang, Hunan Patentee after: Hengyang Tianyu New Material Co.,Ltd. Address before: 421200 Xian Zhong village, Hengyang Town, Hengyang, Hunan Patentee before: HENGYANG TIANYU CERAMIC MINING INDUSTRY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |