CN208419578U - A kind of rotary kiln cooling wind distribution structure - Google Patents
A kind of rotary kiln cooling wind distribution structure Download PDFInfo
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- CN208419578U CN208419578U CN201821029830.7U CN201821029830U CN208419578U CN 208419578 U CN208419578 U CN 208419578U CN 201821029830 U CN201821029830 U CN 201821029830U CN 208419578 U CN208419578 U CN 208419578U
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- cooling
- air
- cooling ring
- nozzle
- supply passage
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Abstract
The utility model discloses a kind of rotary kiln cooling wind distribution structures, including cooling ring, an air inlet is respectively arranged at left and right sides of cooling ring lower part, the inside of cooling ring offers air-supply passage, the first end of air-supply passage extends to an air inlet, the second end of air-supply passage extends to another air inlet, and multiple nozzles are disposed in cooling ring, and air-supply passage is connected to the annular cooling groove of backplate by nozzle.The utility model has the following beneficial effects: effectively reducing the temperature of backplate at kiln tail, backplate long term high temperature environment work is prevented to be easily damaged；It flows in the direction in gap of the cooling air between the gas outlet of nozzle → annular cooling groove → nozzle and annular cooling groove, form turbulent area, under the premise of turbulent flow, it is simulated under three different air inlet wind friction velocities by CFD, velocity flow profile at nozzle, wall and air outlet is efficient cooling to guarantee to determine its most suitable wind speed.
Description
Technical field
The utility model relates to environmental protective chemical industry technical fields, and in particular to a kind of rotary kiln cooling wind distribution structure.
Background technique
Incineration rotary kiln is high temperature treating device, and the different location temperature of entire kiln body is different, kiln tail and dual firing chamber
Connection, the two junction is provided with backplate, and since this section of temperature is very high, the backplate of kiln tail uses under long term high temperature environment,
Easily damaging, maintenance and replacement require to stop operation, and it is not only time-consuming and laborious, but also influence production.
Utility model content
The purpose of this utility model is to provide a kind of rotary kiln cooling wind distribution structures, to solve existing ask
Topic.
To achieve the above object, the technical solution of the utility model is
A kind of rotary kiln cooling wind distribution structure, including cooling ring, the left and right sides difference of the cooling ring lower part
It is provided with an air inlet, the inside of the cooling ring offers air-supply passage, and the first end of the air-supply passage extends to one
A air inlet, the second end of the air-supply passage extend to another air inlet, are disposed in the cooling ring more
A nozzle, the air-supply passage are connected to the annular cooling groove of backplate by the nozzle.
Preferably, the quantity of the nozzle is multiple, and multiple nozzles are evenly arranged in the axis of the cooling ring
Side.
Preferably, the cooling ring is multi-segment structure, is mounted on the quantity phase of the nozzle in every section of cooling ring
Deng.
Preferably, the nozzle includes that the fixing end successively fixed, diversion section and air-supply end, the fixing end are fixed on institute
State cooling ring, the distance of the axis of the diversion section to the cooling ring is gradually reduced from front to back, the air-supply end with it is described
The axis of annular cooling groove is parallel.
Preferably, the side of axis of the air-supply end towards the cooling ring is connected in the annular cooling groove
Side wall, between being kept between the side of axis of the air-supply end away from the cooling ring and the lateral wall of the annular cooling groove
Gap.
Preferably, each air inlet is respectively and fixedly provided with installation part, and the installation part includes edge and the cooling ring
The mounting portion that the vertical direction of axis extends is provided with mounting hole on the mounting portion.
The utility model has the advantages that
The temperature for effectively reducing backplate at kiln tail prevents backplate long term high temperature environment work to be easily damaged；Cooling air
The direction in the gap between the gas outlet of nozzle → annular cooling groove → nozzle and annular cooling groove is flowed, and turbulent flow is formed
Area is simulated under three different air inlet wind friction velocities (7.75m/s, 15m/s, 30m/s) based under the premise of turbulent flow by CFD,
Velocity flow profile at nozzle, wall and air outlet is efficient cooling to guarantee to determine its most suitable wind speed.
Detailed description of the invention
Fig. 1 is the schematic perspective view of one embodiment of cooling ring described in the utility model；
Fig. 2 is the partial enlarged view of region Z in Fig. 1；
Fig. 3 is the main view of Fig. 1；
Fig. 4 be Fig. 3 along the sectional view of A-A；
Fig. 5 is that nozzle is installed to the schematic perspective view after annular cooling groove.
In figure: 1, cooling ring；11, air inlet；12, wind channel；2, backplate；21, annular cooling groove；22, annular is cooling
The inner sidewall of groove；23, the lateral wall of annular cooling groove；24, gap；3, nozzle；31, fixing end；32, diversion section；33, it send
Wind end；4, installation part；41, mounting portion；411, mounting hole；42, fixed part；43, bolt.
Specific embodiment
The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.
Embodiment 1
Present embodiment discloses a kind of rotary kiln cooling wind distribution structures, referring to Fig. 1-Fig. 5 comprising cooling ring 1,
An air inlet 11 is respectively arranged at left and right sides of 1 lower part of cooling ring, the inside of cooling ring 1 offers air-supply passage 12, send
The first end in wind channel 12 extends to an air inlet 11, and the second end of air-supply passage 12 extends to another air inlet 11, cold
But multiple nozzles 3 are disposed on ring 1, air-supply passage 12 is connected to the annular cooling groove 21 of backplate 2 by nozzle 3.
Cooling wind enters air-supply passage 12 from the air inlet of left and right side 11 respectively, is then sprayed onto backplate 2 from nozzle 3
In annular cooling groove 21, heat exchange is completed herein, to reduce the temperature for the backplate 2 being located at kiln tail, prevents backplate 2 long-term high
Warm environment work is easily damaged.
In addition, the quantity of nozzle 3 be it is multiple, multiple nozzles 3 are evenly arranged in the side of the axis of cooling ring 1, pass through by
The quantity of nozzle 3 is set as multiple, so that cooling wind blows to annular cooling groove 21 from multiple positions, further improves cooling
Effect, in addition, multiple nozzles 3 are evenly arranged, so that cooling ring 1 avoids cooling uneven along its axis direction uniform decrease in temperature.
Embodiment 2
On the basis of embodiment 1, cooling ring 1 is multi-segment structure, is mounted on the quantity of the nozzle 3 in every section of cooling ring 1
It is equal.Facilitate manufacture, the installation and removal of cooling ring 1 by the setting.Pacified between multistage cooling ring 1 by installation part 4
Dress.A kind of structure of installation part 4 are as follows: installation part 4 includes being fixed on the fixed part 42 of the end of cooling ring 1 and transversely (with institute
State the vertical direction of the axis of cooling ring 1) mounting portion 41 that extends, mounting hole 411 is set on mounting portion 41, bolt 43 etc. is passed through
Two sections of adjacent cooling rings 1 are fixed after passing through mounting hole 411 for connector, facilitate manufacture, installation and removal to meet
Needs.
Embodiment 3
On the basis of embodiment 1 or 2, nozzle 3 includes successively fixed fixing end 31, diversion section 32 and air-supply end 33,
Fixing end 31 is fixed on cooling ring 1, and the distance of the axis of diversion section 32 to cooling ring 1 is gradually reduced from front to back, end 33 of blowing
It is parallel with the axis of annular cooling groove 21.Facilitated by fixing end 31 and mount and dismount nozzle 3, flow direction is solid from wind channel 12
Angle between the direction of the cooling wind of fixed end 31 and the direction of the cooling wind from the outflow of air-supply end 33 is 90 °, therefore, by leading
The setting of section 32 is flowed so that cooling wind reduces gas while reducing air drag along the slow deflecting of axis direction of diversion section 32
When flowing the shock to nozzle 3, alleviate the abrasion of nozzle 3, extend the service life of nozzle 3, while reducing air-flow flowing
Noise.
The specific mounting means of nozzle 3 are as follows: it is recessed that the side of air-supply end 33 towards the axis of cooling ring 1 is connected to annular cooling
The inner sidewall 22 of slot, air-supply end 33 are kept between the side of the axis of cooling ring 1 and the lateral wall 23 of annular cooling groove
Gap 24.Between cooling air is between the gas outlet of nozzle 3 → 21 → nozzle of annular cooling groove 3 and annular cooling groove 21
The direction of gap 24 is flowed, and turbulent area is formed, and based under the premise of turbulent flow, simulates three different air inlet wind friction velocities by CFD
Under (7.75m/s, 15m/s, 30m/s), the velocity flow profile at nozzle 3, wall and air outlet is to determine its most suitable wind speed, to guarantee
It is efficient cooling.Above-mentioned CFD, English full name (Computational Fluid Dynamics), i.e. computational fluid dynamics,
It is a hydromechanical branch.
Embodiment 4
On the basis of embodiment 1,2 or 3, be respectively and fixedly provided with installation part 4 at each air inlet 11, installation part 4 include along with
The mounting portion 41 that the vertical direction of the axis of cooling ring 1 extends is provided with mounting hole 411 on mounting portion 41.It is arranged so that cold
But the lower end of ring 1 can be fixed on installation foundation, increase the stability of cooling ring 1, prevent cooling ring 1 from position occurs when working
It is mobile, the stabilization of the utility model is guaranteed with this, is efficiently worked.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want
Seek the range of protection.
Claims (6)
1. a kind of rotary kiln cooling wind distribution structure, which is characterized in that including cooling ring, the left and right of the cooling ring lower part
Two sides are respectively arranged with an air inlet, and the inside of the cooling ring offers air-supply passage, the first end of the air-supply passage
Extend to the air inlet, the second end of the air-supply passage extends to another air inlet, in the cooling ring
Multiple nozzles are disposed with, the air-supply passage is connected to the annular cooling groove of backplate by the nozzle.
2. rotary kiln cooling wind distribution structure according to claim 1, which is characterized in that the quantity of the nozzle is
Multiple, multiple nozzles are evenly arranged in the side of the axis of the cooling ring.
3. rotary kiln cooling wind distribution structure according to claim 2, which is characterized in that the cooling ring is multistage
Structure, the quantity for being mounted on the nozzle in every section of cooling ring are equal.
4. rotary kiln cooling wind distribution structure according to claim 1,2 or 3, which is characterized in that the nozzle packet
Successively fixed fixing end, diversion section and air-supply end are included, the fixing end is fixed on the cooling ring, and the diversion section is described in
The distance of the axis of cooling ring is gradually reduced from front to back, and the air-supply end is parallel with the annular axis of cooling groove.
5. rotary kiln cooling wind distribution structure according to claim 4, which is characterized in that the air-supply end is towards institute
The side for stating the axis of cooling ring is connected to the inner sidewall of the annular cooling groove, and the air-supply end is away from the cooling ring
Gap is kept between the side of axis and the lateral wall of the annular cooling groove.
6. rotary kiln cooling wind distribution structure according to claim 4, which is characterized in that each air inlet
It is respectively and fixedly provided with installation part, the installation part includes the mounting portion extended along the direction vertical with the axis of the cooling ring, described
Mounting hole is provided on mounting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821029830.7U CN208419578U (en) | 2018-06-29 | 2018-06-29 | A kind of rotary kiln cooling wind distribution structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821029830.7U CN208419578U (en) | 2018-06-29 | 2018-06-29 | A kind of rotary kiln cooling wind distribution structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208419578U true CN208419578U (en) | 2019-01-22 |
Family
ID=65107264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821029830.7U Active CN208419578U (en) | 2018-06-29 | 2018-06-29 | A kind of rotary kiln cooling wind distribution structure |
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| Country | Link |
|---|---|
| CN (1) | CN208419578U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113819756A (en) * | 2021-09-18 | 2021-12-21 | 成都新仪征环保科技有限公司 | Low-noise air-cooled heat dissipation device for rotary kiln |
| EP4306774A1 (en) * | 2022-07-12 | 2024-01-17 | RTX Corporation | Cooling device for rotor assembly |
-
2018
- 2018-06-29 CN CN201821029830.7U patent/CN208419578U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113819756A (en) * | 2021-09-18 | 2021-12-21 | 成都新仪征环保科技有限公司 | Low-noise air-cooled heat dissipation device for rotary kiln |
| CN113819756B (en) * | 2021-09-18 | 2023-09-22 | 成都新仪征环保科技有限公司 | Low-noise air-cooled heat dissipation device for rotary kiln |
| EP4306774A1 (en) * | 2022-07-12 | 2024-01-17 | RTX Corporation | Cooling device for rotor assembly |
| US12018577B2 (en) | 2022-07-12 | 2024-06-25 | Rtx Corporation | Cooling device for rotor assembly |
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