CN207975657U - A kind of rotary kiln - Google Patents
A kind of rotary kiln Download PDFInfo
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- CN207975657U CN207975657U CN201820162490.9U CN201820162490U CN207975657U CN 207975657 U CN207975657 U CN 207975657U CN 201820162490 U CN201820162490 U CN 201820162490U CN 207975657 U CN207975657 U CN 207975657U
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- main body
- kiln
- rotary kiln
- waste
- heating chamber
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- Muffle Furnaces And Rotary Kilns (AREA)
- Incineration Of Waste (AREA)
Abstract
The utility model is related to chemical industry incineration of waste technical fields, disclose a kind of rotary kiln, including kiln body, the kiln body is inclined to set and lower one end is kiln hood, higher one end is kiln tail, the kiln tail is connected with preheating device, the preheating device includes main body, is set in main body inlet port and outlet port and it is opened in heating chamber in main body wall for being passed through high-temperature gas to be heated to main body, the body outer wall offers air inlet, the body top offers gas outlet, and the air inlet and the gas outlet are connected with heating chamber.The utility model is preheated to enable to enter the waste after kiln body using preheating device to waste higher initial temperature, and waste is made faster to burn, and has many advantages, such as simple in structure, and combustion efficiency is good.
Description
Technical field
The utility model is related to chemical industry incineration of waste technical field, more particularly to a kind of rotary kiln.
Background technology
Rotary kiln is commonly called as rotary kiln, suffers from and is widely applied in many industrial circles, and plays in production important
Effect, is cement, the core equipment of the industries such as chemical metallurgy, lime；Rotary kiln makes one constantly to rotate simultaneously in process of production
It is continuously in the revolving body of high-temperature heating state.Rotary kiln is both Thermal Equipment and conveying equipment.Material is from high-end (kiln tail
End) be added, installed since cylinder tilts, in revolution in kiln material due to constantly mobile, the object to low side (kiln hood end) of conducting oneself with dignity
Material is heated in moving process, and fugitive constituent constantly overflows, and to make fugitive constituent fully burn, kiln body is provided with the confession of two tertiary airs
Wind apparatus sprays into fuel by kiln hood end burning device and its required combustion air carries out when the heat source insufficiency that fugitive constituent burning provides
Supplement.
Authorization Notice No. is that the Chinese utility model patent of CN206362167U discloses a kind of rotary kiln, the kiln body
Including fire brick layer, refractory fibre carpet veneer and kliner coating, the refractory brick is wide outside and narrow inside；The combustion tube surrounds combustion gas pipe dish
Rotation setting, the corresponding burner in combustion tube outlet；The kiln body inner wall is equipped with helical form pusher item；Transmission is equipped in discharge outlet to tie
Structure, the transfer structure include rectangle transfer drum, and one end connection discharge port, the other end of rectangle transfer drum are opposite with collecting device
It answers；Conveyer belt both sides in rectangle transfer drum are equipped with blast apparatus in transfer drum.The utility model passes through in the junction of refractory brick
I-shaped connector is set, the service life of fire brick layer has been significantly greatly increased.In addition combustion tube setting of spiraling increases combustion tube
Area in kiln body enters kiln body after the combustion air heating fully being sparged into kiln body, to mitigate kiln body temperature drop
Low problem.
The utility model material is directly inputted from kiln tail in kiln body, material enter after kiln body in kiln body under high temperature action by
The temperature that edges up simultaneously is burnt, and material heating needs the regular hour, be easy to cause material and enter the insufficient situation of kiln body after-combustion
It is existing.
Utility model content
The purpose of this utility model is to provide a kind of rotary kiln, and good preheating can be carried out to waste to make waste return
It fully burns in rotary kiln.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of rotary kiln, including
Kiln body, the kiln body is inclined to set and lower one end is kiln hood, higher one end is kiln tail, and the kiln tail is connected with preheating
Device, the preheating device includes main body, the inlet port and outlet port that are set in main body and being opened in main body wall are used
Heating chamber in being passed through high-temperature gas to be heated to main body, the body outer wall offer air inlet, the main body top
Portion offers gas outlet, and the air inlet and the gas outlet are connected with heating chamber.
By using above-mentioned technical proposal, waste enters body interior from feed inlet when use, by leading into air inlet
Enter high-temperature gas and go out gas port discharge, make high-temperature gas and heating chamber side wall carry out heat exchange to the waste in main body into
Row preheating, enters kiln tail hence into being burned in kiln body from the discharge port of bottom part body after waste is preheated, passes through preheating
So that waste just has certain temperature before entering kiln body, can be heated up faster later into kiln body to reach burning temperature
Degree enables waste to burn more fully to increase the time of burning.
It is further arranged to：The protrusion extended downwardly along spiral inner wall, the heating chamber are provided in the main body inner wall
It is arranged on the side wall of protrusion fluted, the groove is in and the identical helical form of protrusion is arranged.
By using above-mentioned technical proposal, high-temperature gas enters after heating chamber carries out heat exchange by groove and high spot,
The heat exchange area of high-temperature gas and main body inner wall is increased to improve pre-heat effect.
It is further arranged to：Crushed piece is provided in the main body, the crushed piece includes being set to the point of convex top
Sharp portion.
By using above-mentioned technical proposal, waste enters body interior and sharp portion joint from feed inlet, profit when contact
Waste is smashed with sharp portion, to reduce the size of waste so that follow-up burning effect is more preferable.
It is further arranged to：The crushed piece includes drive disk and the actuator for driving drive disk to rotate, ground
On be provided with supporting rack, drive disk is rotatablely installed on supporting rack, and the drive disk is coaxially fixed with main body, on the discharge port
It is connected with discharge nozzle, the driving pan bottom offers the opening passed through for discharge nozzle.
By using above-mentioned technical proposal, drive disk is rotatably installed on supporting rack, is carried out to drive disk using supporting rack
Support, drive disk rotates under the drive of actuator to drive main body to be rotated together with drive disk, sharp portion and waste when rotation
Between there are phase mutual friction, keep the crushing effect of waste more preferable using the rotation of main body, further promoted waste combustion efficiency.
It is further arranged to：The actuator includes the driving motor being set on supporting rack, is set to driving motor
Driving gear on output shaft and the driven gear being set on drive disk, the driving gear are meshed with driven gear.
Driving gear rotation, driving gear is driven to drive engagement by using above-mentioned technical proposal, when driving motor rotates
Driven gear rotate to make drive disk rotate, it is simple in structure, transmission effect it is good.
It is further arranged to：The kiln tail is provided with flue, and the flue is connected with heating chamber.
By using above-mentioned technical proposal, the flue gas of kiln tail is passed through heating chamber by flue, waste is carried out in advance
Heat has saved the energy.
It is further arranged to：The bottom part body is arranged with chuck, and the air inlet is circumferentially extended along main body to be arranged, described
The exhaust gases passes of connection air inlet and flue are offered in chuck.
By using above-mentioned technical proposal, flue gas enters the exhaust gases passes inside chuck by flue, and passes through cigarette
Gas channel enters in air inlet, carries out heat exchange with main body inner wall to be passed through heating chamber, is carried out to waste using fume afterheat
Preheating, energy conservation and environmental protection.
It is further arranged to：The kiln body is provided with slideway on the inner wall of the part of kiln tail, and the slideway is helically
Shape is arranged and extends along kiln body length direction.
By using above-mentioned technical proposal, waste drops into after entering kiln body from kiln tail on slideway, and partial waste is at itself
Increase to kiln body internal slide relative to the distance for directly sliding into kiln body internal slide along kiln body inner wall and sliding along slideway under gravity
Dynamic speed slows down, and increases the time that waste enters kiln body medium position, to be carried out more to waste using the temperature in kiln body
Add prolonged preheating so that trash burning is more abundant.
In conclusion the utility model has the advantages that：
1, it increases preheating device and the pre-heat treatment is carried out to the waste before entering kiln body, it can be more after so that waste is entered kiln body
It quickly is warming up to ignition temperature, to keep trash burning more abundant, heating chamber and main body are increased with groove using protrusion
The heat exchange area of inner wall, improves pre-heat effect；
2, sharp portion and waste is driven to relatively rotate using sharp portion and by the rotation of main body, to keep sharp portion more preferable
Ground crushes waste so that Waste volume reduces, and increases efficiency of combustion；
3, body interior is heated using the waste heat of the flue gas generated in rotary kiln kiln body, energy conservation and environmental protection.
Description of the drawings
Fig. 1 is example structure schematic diagram；
Fig. 2 is enlarged drawing at A in Fig. 1；
Fig. 3 is chuck and main body mounting structure schematic diagram, to indicate shape and the position of sharp portion and exhaust gases passes；
Fig. 4 is B-B sectional views in Fig. 3；
Fig. 5 is kiln body partial sectional view to indicate the installation site and shape of slideway.
In figure：1, kiln body；11, kiln hood；12, kiln tail；13, slideway；14, support base；2, preheating device；21, discharge port；
22, feed inlet；23, discharge nozzle；3, main body；31, heating chamber；32, gas outlet；33, air inlet；34, raised；35, groove；4, powder
Aster；5, sharp portion；6, drive disk；7, actuator；71, driving motor；72, driving gear；73, driven gear；8, supporting rack；
81, mounting plate；9, chuck；91, exhaust gases passes；93, flue.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
A kind of rotary kiln, as shown in Figure 1, include columned kiln body 1, kiln body 1 by 14 traverse of support base on ground,
Wherein lower one end is kiln hood 11, and higher one end is kiln tail 12.
As shown in figure 4, kiln tail 12 is connected with preheating device 2, preheating device 2 includes main body 3, discharge port 21, feed inlet 22
And heating chamber 31, discharge port 21 are set to 3 bottom of main body and are connected with discharge nozzle 23, discharge nozzle 23 be connected with kiln tail 12 with
Material is passed through in kiln body 1, feed inlet 22 is set to 3 top of main body, and heating chamber 31 is opened in 3 side wall of main body for being passed through height
Wet body.
As shown in figure 4, offer gas outlet 32 on the side wall at the top of main body 3,3 inner wall of main body is to the side back to heating chamber 31
To being protruding with along the downward protrusion 34 of 3 spiral inner wall of main body, heating chamber 31 is recessed to raised 34 directions on the side wall of protrusion 34
The groove 35 formed along hot chamber close to the side wall downward spiral of protrusion 34 is fallen into, to increase the heat exchange of heating chamber 31 and main body 3
Area.
As shown in figures 1 and 3, crushed piece 4 is provided in main body 3, crushed piece 4 includes sharp portion 5, drive disk 6 and drives
Moving part 7.
As shown in Fig. 2, actuator 7 includes driving motor 71, driving gear 72 and driven gear 73.
As depicted in figs. 1 and 2, it is fixed with supporting rack 8 on the ground of 3 lower section of main body, mounting plate is fixed on supporting rack 8
81, driving motor 71 is installed on mounting plate 81, and the rotational installation of drive disk 6 coaxially connects on supporting rack 8 and with 3 bottom of main body
Connect, offered on drive disk 6 for discharge nozzle 23 by opening（It is not shown in figure）, driving gear 72 is defeated with driving motor 71
Shaft is coaxially connected, and driven gear 73 intermeshes and is fixed on drive disk 6 with driving gear 72, when driving motor 71 rotates
When pass through driving gear 72 and driven gear 73 and drive drive disk 6 and 3 rotation of main body.
As shown in Figure 1,3 bottom outer wall of main body is arranged with chuck 9, chuck 9 is connected by flue 93 with kiln tail 12,
Exhaust gases passes 91 are offered in chuck 9（With reference to Fig. 3）.
As shown in Figure 3 and Figure 4, the position that main body 3 is contacted with chuck 9 offers air inlet 33, and air inlet 33 was along main body 3 weeks
To being extended, exhaust gases passes 91 are connected to air inlet 33 and flue 93, when main body 3 rotates, air inlet 33 and exhaust gases passes
91 are connected always, and flue gas enters flue 93 from kiln tail 12 and enters heating chamber 31 by exhaust gases passes 91, air inlet 33
In, and be discharged by gas outlet 32.
As shown in figure 5, kiln body 1 is fixed with helical form setting on the inner wall of the part of kiln tail 12 and along 1 length of kiln body
The range ability that the slideway 13 that direction extends transports to increase material in 12 part of kiln tail is to increase material in kiln tail 12
Divide the time of preheating.
In use, starting driving motor 71 to drive 3 rotation of main body, waste is put into from the feed inlet 22 at 3 top of main body, when
When waste falls in main body 3 and contacted with sharp portion 5, due to the rotation of main body 3, sharp portion 5 carries out particle, flue gas to waste
Enter in heating chamber 31 from flue 93 through chuck 9, carrying out heat exchange with 3 inside of main body by groove 35 and heating chamber 31 makes
The temperature rise of waste to be preheated for the first time.Discharge port 21 and discharge nozzle 23 of the waste Jing Guo 3 bottom of main body enter kiln tail
12, enter slideway 13 under the turning effort of waste its own gravity and kiln body 1 later into kiln tail 12 and along spiral helicine cunning
Road 13, which enters in the further part of kiln body 1, to be burned, and the flue gas that when burning generates is from higher 12 part of kiln tail of height and position
Into flue 93, the waste residue of generation is discharged from kiln hood 11.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (8)
1. a kind of rotary kiln, including kiln body (1), the kiln body (1) be inclined to set and lower one end be kiln hood (11), it is higher
One end be kiln tail (12), it is characterised in that：The kiln tail (12) is connected with preheating device (2), and the preheating device (2) includes
It main body (3), the feed inlet (22) being set in main body (3) and discharge port (21) and is opened in main body (3) side wall for leading to
The heating chamber (31) for entering high-temperature gas to be heated to main body (3), main body (3) outer wall offer air inlet (33),
Offer gas outlet (32) at the top of the main body (3), the air inlet (33) and the gas outlet (32) with heating chamber (31)
It is connected.
2. a kind of rotary kiln according to claim 1, it is characterised in that：It is provided with along inner wall on main body (3) inner wall
The protrusion (34) that downward spiral extends, the heating chamber (31) is arranged fluted (35) on the side wall of raised (34), described
Groove (35) is in that identical helical form is arranged with raised (34).
3. a kind of rotary kiln according to claim 2, it is characterised in that：It is provided with crushed piece (4) on the main body (3),
The crushed piece (4) includes the sharp portion (5) being set at the top of raised (34).
4. a kind of rotary kiln according to claim 3, it is characterised in that：The crushed piece (4) include drive disk (6) and
Actuator (7) for driving drive disk (6) to rotate, supporting rack (8) is provided on ground, and drive disk (6) is rotatablely installed in branch
On support (8), the drive disk (6) is coaxial fixed with main body (3), and discharge nozzle (23), institute are connected on the discharge port (21)
It states drive disk (6) bottom and offers the opening passed through for discharge nozzle (23).
5. a kind of rotary kiln according to claim 4, it is characterised in that：The actuator (7) includes being set to supporting rack
(8) driving motor (71) on, the driving gear (72) being set on the output shaft of driving motor (71) and it is set to driving
Driven gear (73) on disk (6), the driving gear (72) are meshed with driven gear (73).
6. a kind of rotary kiln according to claim 4, it is characterised in that：The kiln tail (12) is provided with flue
(93), the flue (93) is connected with heating chamber (31).
7. a kind of rotary kiln according to claim 6, it is characterised in that：Main body (3) bottom is arranged with chuck (9),
The air inlet (33) circumferentially extends along main body (3) to be arranged, and connection air inlet (33) and fume pipe are offered in the chuck (9)
The exhaust gases passes (91) in road (93).
8. a kind of rotary kiln according to claim 1, it is characterised in that：The kiln body (1) is close to the part of kiln tail (12)
Inner wall on be provided with slideway (13), the slideway (13) is arranged and extends along kiln body (1) length direction in the shape of a spiral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820162490.9U CN207975657U (en) | 2018-01-31 | 2018-01-31 | A kind of rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820162490.9U CN207975657U (en) | 2018-01-31 | 2018-01-31 | A kind of rotary kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207975657U true CN207975657U (en) | 2018-10-16 |
Family
ID=63766227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820162490.9U Active CN207975657U (en) | 2018-01-31 | 2018-01-31 | A kind of rotary kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207975657U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116294570A (en) * | 2023-04-03 | 2023-06-23 | 内蒙古景蕾实业有限公司 | Medium-low grade manganese ore pretreatment rotary kiln and feeding system |
-
2018
- 2018-01-31 CN CN201820162490.9U patent/CN207975657U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116294570A (en) * | 2023-04-03 | 2023-06-23 | 内蒙古景蕾实业有限公司 | Medium-low grade manganese ore pretreatment rotary kiln and feeding system |
| CN116294570B (en) * | 2023-04-03 | 2023-12-01 | 内蒙古景蕾实业有限公司 | Medium-low grade manganese ore pretreatment rotary kiln and feeding system |
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