CN210861124U - Cooling structure for rotary kiln feed channel - Google Patents
Cooling structure for rotary kiln feed channel Download PDFInfo
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- CN210861124U CN210861124U CN201921033564.XU CN201921033564U CN210861124U CN 210861124 U CN210861124 U CN 210861124U CN 201921033564 U CN201921033564 U CN 201921033564U CN 210861124 U CN210861124 U CN 210861124U
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Abstract
The utility model provides a rotary kiln is cooling structure for feedstock channel, it both can reach good cooling effect, can avoid again because of frequent cold and hot problem emergence that leads to the equipment to damage in turn, and safe and reliable is suitable for the actual production and uses. It includes the intermediate layer that is enclosed by spacer sleeve and feedstock channel, set up water-cooling district and forced air cooling district in the intermediate layer, its characterized in that: the entrance of feedstock channel sets up the introduction district in water-cooling district and air-cooling district the exit of feedstock channel sets up the district that converges of water-cooling district and air-cooling district, the water-cooling district is located the position that converges the district sets up atomizer in the interlayer for the return channel of cooling air in the passageway outside water-cooling district and air-cooling district the outlet of return channel is provided with the drainage cover.
Description
Technical Field
The utility model relates to a combustion apparatus technical field specifically is rotary kiln cooling structure for feedstock channel.
Background
After the solid waste is transported by a kiln head feeding system in a material pit, the solid waste is pushed into the rotary kiln by a hydraulic cylinder through a feeding channel to be incinerated. In the process, the outlet of the feeding channel at the kiln head panel of the rotary kiln directly faces the high-temperature rotary kiln; because the channel is open, the kiln head heat radiation can heat the outlet of the feeding channel to 500-600 ℃. The dangerous waste garbage is different from household garbage, contains low-ignition-point inflammable goods and low-melting-point different melting goods in the dangerous waste garbage, and if the temperature is too high, the feeding channel can be caused to melt hardened materials, and the dangerous waste raw materials can be ignited even in the feeding channel more seriously.
The current general method is to cool the feeding channel by air cooling or water cooling. The water cooling mode is that a water cooling jacket is added on the feeding channel, but in the using process of the water cooling jacket, the welding line is fatigue due to frequent cold and hot alternation, cracks can be generated, and water leakage can occur, and the refractory bricks can be exploded when the leaked water is wrapped by the refractory bricks at the kiln head; the single air cooling system prevents the condition of water leakage and brick explosion, but the heat exchange effect of air is not good as that of water.
Disclosure of Invention
In order to solve the technical problem that single water-cooling mode leads to equipment to damage easily among the prior art, single air-cooled mode cooling effect is not good, the utility model provides a rotary kiln cooling structure for feedstock channel, it both can reach good cooling effect, can avoid again because of frequent cold and hot problem emergence that leads to equipment to damage in turn, safe and reliable is suitable for the actual production and uses.
The structure of the utility model is as follows: rotary kiln is cooling structure for feed channel, it includes the intermediate layer that is enclosed by spacer sleeve and feed channel, set up water-cooling district and forced air cooling district in the intermediate layer, its characterized in that: the entrance of feedstock channel sets up the introduction district in water-cooling district and air-cooling district the exit of feedstock channel sets up the district that converges of water-cooling district and air-cooling district, the water-cooling district is located the position that converges the district sets up atomizer in the interlayer for the return channel of cooling air in the passageway outside water-cooling district and air-cooling district the outlet of return channel is provided with the drainage cover.
It is further characterized in that:
a cooling water pipe is arranged in the water cooling area, a cooling air pipe is arranged in the air cooling area, and the atomizing nozzle is arranged at the outlet end of the cooling water pipe;
the backflow channel is a space inside the interlayer outside the cooling water pipe and the cooling air pipe;
an air inlet pipe and a water inlet pipe are respectively arranged in the introduction area around the periphery of the feeding channel, the air inlet pipe is communicated with an air inlet of the cooling air pipe, and the water inlet pipe is communicated with a water inlet end of the cooling water pipe;
the air cooling area is arranged in the left direction and the right direction of the feeding channel, and the water cooling area is arranged in the upper direction and the lower direction of the feeding channel;
the number of the air cooling areas is 10; the number of the water cooling areas is 5.
The utility model provides a cooling structure for a rotary kiln feed channel, which cools the feed channel in a mixed cooling mode of air cooling and water cooling; cooling air entering from the air cooling area enters the junction area, cooling water entering from the water cooling area is sprayed and atomized into the junction area through an atomizing nozzle, and atomized water for cooling and the cooling air are converged in the junction area to cool the feeding channel; atomized water is instantly vaporized in the high-temperature channel, and vaporized water vapor and cooling air heated by the high-temperature channel are discharged through the backflow channel and the flow guide cover in the confluence region; use the technical scheme of this patent right, ponding can not appear in the passageway, and in the cooling process, the intermediate layer also can not lead to equipment to damage because of too frequent cold and hot in turn, can guarantee the cooling effect simultaneously.
Drawings
FIG. 1 is a schematic front view of an inlet portion of a cooling structure according to the present invention;
FIG. 2 is a schematic top view of the inlet portion of the cooling structure of the present invention;
FIG. 3 is a schematic sectional view in the direction B-B;
FIG. 4 is a schematic cross-sectional view in the direction of C-C;
fig. 5 is a schematic diagram of the structure of the area division in the interlayer of the present invention.
Detailed Description
As shown in fig. 1 to 5, the cooling structure for the feeding channel of the rotary kiln of the present invention comprises a spacer 11, a cooling air pipe 6, and a cooling water pipe 5, wherein an interlayer is arranged on the outer wall of the periphery of the feeding channel 1 through the spacer 11, an interlayer at the inlet of the feeding channel 1 is arranged as an introduction area 12, and a convergence area 13 is arranged in the interlayer at the outlet of the feeding channel 1; the interlayer is divided into a water cooling area 10 and an air cooling area 9 which are independent from each other from the inside, the water cooling area 10 and the air cooling area 9 are both arranged in parallel to the feeding direction of the feeding channel 1, and the water cooling area 10 and the air cooling area 9 are respectively communicated with an introduction area 12 and a confluence area 13; the cooling air pipe 6 is arranged in the air cooling area 9, and an air outlet of the cooling air pipe 6 is communicated with the converging area 13; the cooling water pipe 5 is arranged in the water cooling area 10, and the water outlet end of the cooling water pipe 5, which is positioned in the confluence area 13, is provided with an atomizing nozzle; the parts except the cooling air pipe 6 and the cooling water pipe 5 in the air cooling area 9 and the water cooling area 10 are return channels; as shown in fig. 1, the arrows marked a indicate the flow direction of cooling water in the cooling water pipe 5, the arrows marked b indicate the flow direction of cooling air in the cooling air pipe, and the arrows marked c indicate the flow direction of vaporized water vapor and heated cooling air in the return passage; an air inlet pipe 4 and a water inlet pipe 3 are respectively arranged in the introduction area 12 around the periphery of the feeding channel 1, the air inlet pipe 4 is communicated with an air inlet of a cooling air pipe 6, and the water inlet pipe 3 is communicated with a water inlet end of a cooling water pipe 5. An air inlet interface 8 arranged on the air inlet pipe 4 is connected with an external air supply device; the water inlet interface 7 of the water inlet pipe 3 is connected with an external water supply device.
As shown in fig. 1 and 2, the internal space of the interlayer is totally divided into an air cooling area and a water cooling area which are independent from each other, and the air cooling area 9 is arranged in the left and right directions of the feeding channel 1; the number of the air cooling areas 9 is 10, and the number of the air cooling areas is 5 respectively; a cooling air pipe 6 with the model number of DN80 is inserted into each air cooling area 9, and the cooling air is continuously supplied to directly send to a confluence area 13 at the outlet of the feeding channel 1; the water cooling area 10 is arranged in the upper and lower directions of the feeding channel 1; the number of the water cooling areas 10 is 5, the upper part is 3, the lower part is 2, and a cooling water pipe 5 with the model number of DN40 is arranged in each water cooling area 10; the atomizing nozzle provided at one end of the merging area 13 of the cooling water pipe 5 sprays atomized water at a frequency of 1 time per 10 seconds and 1 second per time. Atomized water is instantly gasified in a high-temperature channel, so that the heat exchange and cooling effects are achieved, generated steam and cooling air are gathered together in a converging area 13, and the steam is discharged to an introducing area 12 in a direction opposite to feeding through return channels in a water cooling area 10 and an air cooling area 9 along with the heated cooling air in the channel; the introduction area 12 is provided with a drainage cover 2 for directionally draining hot air and water vapor which are discharged from the water cooling area 10 and the air cooling area 9 and are generated after cooling, and discharging the hot air and the water vapor in a specific area.
Claims (6)
1. Rotary kiln is cooling structure for feed channel, it includes the intermediate layer that is enclosed by spacer sleeve and feed channel, set up water-cooling district and forced air cooling district in the intermediate layer, its characterized in that: the entrance of feedstock channel sets up the introduction district in water-cooling district and air-cooling district the exit of feedstock channel sets up the district that converges of water-cooling district and air-cooling district, the water-cooling district is located the position that converges the district sets up atomizer in the interlayer for the return channel of cooling air in the passageway outside water-cooling district and air-cooling district the outlet of return channel is provided with the drainage cover.
2. The cooling structure for the feed passage of the rotary kiln as claimed in claim 1, wherein: be provided with condenser tube in the water-cooling district, be provided with the cooling air pipe in the forced air cooling district, atomizer set up in condenser tube's exit end.
3. The cooling structure for the feed passage of the rotary kiln as claimed in claim 2, wherein: the backflow channel is a space inside the interlayer outside the cooling water pipe and the cooling air pipe.
4. The cooling structure for the feed passage of the rotary kiln as claimed in claim 2, wherein: the inside of introduction district encircles feedstock channel's periphery sets up air-supply line, inlet tube respectively, the air-supply line intercommunication the air intake of cooling air pipe, the inlet tube intercommunication condenser tube's the end of intaking.
5. The cooling structure for the feed passage of the rotary kiln as claimed in claim 1, wherein: the air cooling area is arranged in the left direction and the right direction of the feeding channel, and the water cooling area is arranged in the upper direction and the lower direction of the feeding channel.
6. The cooling structure for the feed passage of the rotary kiln as claimed in claim 1, wherein: the number of the air cooling areas is 10; the number of the water cooling areas is 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921033564.XU CN210861124U (en) | 2019-07-04 | 2019-07-04 | Cooling structure for rotary kiln feed channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921033564.XU CN210861124U (en) | 2019-07-04 | 2019-07-04 | Cooling structure for rotary kiln feed channel |
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| Publication Number | Publication Date |
|---|---|
| CN210861124U true CN210861124U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921033564.XU Active CN210861124U (en) | 2019-07-04 | 2019-07-04 | Cooling structure for rotary kiln feed channel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230818A (en) * | 2019-07-04 | 2019-09-13 | 无锡雪浪环境科技股份有限公司 | A kind of rotary kiln feeding-passage cooling structure |
-
2019
- 2019-07-04 CN CN201921033564.XU patent/CN210861124U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230818A (en) * | 2019-07-04 | 2019-09-13 | 无锡雪浪环境科技股份有限公司 | A kind of rotary kiln feeding-passage cooling structure |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 214000 no.2020 Lihu Avenue, Binhu District, Wuxi City, Jiangsu Province Patentee after: WUXI XUELANG ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Address before: 214128, Wuxi, Jiangsu province Binhu District Taihu Street double new economic Park Patentee before: WUXI XUELANG ENVIRONMENTAL TECHNOLOGY Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |