CN210320065U - Countercurrent waste incineration rotary kiln - Google Patents
Countercurrent waste incineration rotary kiln Download PDFInfo
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- CN210320065U CN210320065U CN201920812815.8U CN201920812815U CN210320065U CN 210320065 U CN210320065 U CN 210320065U CN 201920812815 U CN201920812815 U CN 201920812815U CN 210320065 U CN210320065 U CN 210320065U
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- kiln
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- rolling cylinder
- waste incineration
- rotary rolling
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Abstract
The utility model discloses a waste incineration rotary kiln against current, the gyration roll barrel that sets up including the slope to and connect kiln hood cover and the kiln hood cover at its both ends, the kiln hood cover is located the bottom of gyration roll barrel, and the kiln hood cover is located the high-end position of gyration roll barrel simultaneously and burns the rotary kiln and still have: the feeding device is connected to the kiln head cover, the discharging device is connected to the kiln tail cover, and the air inlet device is connected to the side face of the discharging device of the kiln tail cover, so that flowing smoke is continuously supplied to the direction of the kiln head cover. On the premise of ensuring the same working efficiency as the prior concurrent waste incineration rotary kiln, the length of the rotary rolling cylinder of the prior waste incineration rotary kiln is shortened, and the equipment cost and the operating cost are saved.
Description
Technical Field
The utility model relates to a rotary kiln equipment technical field especially relates to countercurrent waste incineration rotary kiln.
Background
The garbage incineration device for garbage treatment and pretreatment is a downstream rotary kiln, the material flow direction of the downstream rotary kiln is the same as the smoke flow direction, the downstream rotary kiln is a kiln body structure with a slightly higher kiln head cover and a slightly lower kiln tail cover and is in an inclined shape, the material is fed from a high end and discharged from a low end, the smoke in the kiln body advances from the high end to the low end, and the smoke enters a next procedure from the discharge end. On one hand, the concurrent rotary kiln equipment has a longer kiln body structure and relatively lower combustion efficiency.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of above-mentioned prior art, the utility model provides a follow kiln hood cover position feeding, from the countercurrent msw incineration rotary kiln of kiln hood part air inlet to make whole msw incineration rotary kiln, under the prerequisite of guaranteeing with the same work efficiency of current in the same direction as the rotary kiln, the utility model discloses a gyration roll barrel can compare current gyration kiln barrel length and shorten about 20%, finally realizes shortening kiln barrel length, saves equipment cost and working costs's technical purpose.
The utility model adopts the technical proposal that: the rotary kiln for burning the garbage comprises a rotary rolling barrel arranged in an inclined mode, a kiln head cover and a kiln tail cover, wherein the kiln head cover and the kiln tail cover are connected to two ends of the rotary rolling barrel, the kiln tail cover is located at the bottom end of the rotary rolling barrel, and the kiln head cover is located at the high-end position of the rotary rolling barrel to burn the rotary kiln and further comprises:
-a feeding device connected to the kiln head casing, and
-a discharge device connected to the kiln hood, and
the air inlet device is connected to the side surface of the discharging device of the kiln tail cover so as to continuously supply flowing air to the direction of the kiln tail cover.
Furthermore, a cold air jacket and a cooling air pipe are arranged on the outer side of the kiln head cover of the rotary rolling cylinder.
Furthermore, a feeding sealing device and a discharging sealing device are respectively connected between the rotary rolling cylinder and the feeding device and between the rotary rolling cylinder and the discharging device.
Further, the cooling air pipes are arranged along the circumferential direction of the rotary rolling cylinder.
Furthermore, the whole rotary rolling cylinder is inclined by 1-3 degrees, so that the whole garbage incineration kiln can burn more efficiently.
Furthermore, a supporting device, a transmission device and a supporting device with a baffle are sequentially arranged on the rotary rolling cylinder in the direction from the kiln head cover to the kiln tail cover, a supporting roller of the supporting device with the baffle is adjustable relative to a hydraulic baffle wheel structure of the rotary rolling cylinder, and the length of the hydraulic baffle wheel structure of the supporting roller is more than twice of the length of a contact part of the rotary rolling cylinder in contact with the hydraulic baffle wheel structure.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a refuse incineration rotary kiln against current will follow kiln hood cover position feeding, advances the refuse incineration rotary kiln of the reverse feeding of flue gas from kiln hood part air blast against current to make whole refuse incineration rotary kiln, under the prerequisite of guaranteeing the same work efficiency with current following current rotary kiln, shortened the gyration roll barrel length of current refuse incineration rotary kiln, save equipment cost and working costs.
Drawings
FIG. 1 is a front view of a reverse feed rotary kiln for waste incineration;
FIG. 2 is a block diagram of one embodiment of the support roller 51;
wherein: 1-a feeding sealing device, 2-a rotary rolling cylinder, 3-a supporting device, 4-a transmission device, 5-a blocking supporting device, 51-a supporting roller and 511-a hydraulic catch wheel device; 6-discharge sealing device, 7-cooling air pipe, 8-big gear wheel, 9-cold air sleeve, 10-contact part, 11-air inlet device, 12-kiln head cover, 13-kiln tail cover, 14-feeding device and 15-discharging device.
Detailed Description
In order to deepen the understanding of the present invention, the present invention is further explained with reference to the drawings and the embodiments, which are only used to explain the present invention and are not limited to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the combination or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In addition, in the description process of the embodiment of the present invention, the position relationships of the devices such as "up", "down", "front", "back", "left", "right" in all the drawings all use fig. 1 as a standard.
As shown in fig. 1, the reverse-flow waste incineration rotary kiln comprises a rotary rolling cylinder 2 arranged obliquely, and a kiln head cover 12 and a kiln tail cover 13 connected to two ends of the rotary rolling cylinder, wherein the kiln tail cover 13 is located at the bottom end of the rotary rolling cylinder 2, and meanwhile, the kiln head cover 12 is located at the high end position of the rotary rolling cylinder 2, and the reverse-flow waste incineration rotary kiln further comprises:
a feeding device 14 connected to the kiln head casing 12, an
A discharge device 15 connected to the kiln hood 13, and
air intake means 11 connected to the side of the discharge means 15 of the kiln hood 13 for continuously feeding the flowing flue gases in the direction of the kiln hood 13.
In the above embodiment, the rotary rolling cylinder 2 is located outside the kiln hood 12 and provided with the cold air jacket 9 and the cooling air pipes 7 circumferentially arranged on the rotary rolling cylinder 2, so as to cool the rotary rolling cylinder 2 and ensure that the rotary rolling cylinder 2 has a long service life.
In the above embodiment, the feeding sealing device 1 and the discharging sealing device 6 are further respectively connected between the rotary rolling cylinder 2 and the feeding device 14 and the discharging device 15 to ensure that the whole rotary rolling cylinder has better incineration efficiency, specifically, the sealing structures of the feeding sealing device 1 and the discharging sealing device 6 are the same as those of the drying cylinder and other rotary kilns, and therefore, the description is not repeated again.
In the above embodiment, the cooling air duct 7 is arranged along the circumferential direction of the rotary rolling cylinder 2, and the length of the cooling air duct 7 arranged along the circumferential direction of the rotary rolling cylinder 2 is at least half of the length of the rotary rolling cylinder 2, so as to realize timely cooling of the rotary rolling cylinder in the circumferential direction and more sufficient heat transfer.
In the above embodiment, the rotary rolling cylinder 2 is inclined by 1 to 3 degrees as a whole, so that the whole refuse incineration kiln can burn more efficiently.
In the above embodiment, the rotary rolling cylinder 2 is sequentially provided with the supporting device 3, the transmission device 4 and the supporting device 5 with the baffle in the direction from the kiln head cover 12 to the kiln tail cover 13, the supporting roller 51 of the supporting device 5 with the baffle is opposite to the hydraulic baffle wheel structure 511 of the rotary rolling cylinder 2, and the hydraulic baffle wheel structure 511 controls the rotary kiln to move up and down in operation to ensure that the supporting roller 51 is evenly worn, as shown in fig. 2. As can also be seen from fig. 1, the transmission device 4 is engaged with the gearwheel 8 on the rotary rolling cylinder 2 for transmission, so as to drive the rotary rolling cylinder 2 to rotate.
The utility model discloses a refuse incineration rotary kiln against current arranges the requirement according to technology, and flue gas air current direction is flowed to the kiln hood cover by the kiln tail cover and is the low side to high-end flow, and the feeding all follows the feeding of kiln hood cover, and fuel is followed ejection of compact cover and is spouted into, and kiln hood is kiln high-end and becomes high-temperature region, and the material can realize the schizolysis in a large number in kiln hood department, gets into next process. Therefore, the length of the kiln cylinder can be shortened, and the equipment cost is saved. The transmission device of the rotary kiln is reversely arranged at the tail cover of the kiln, namely a low-temperature end, and the material flow direction is opposite to the smoke flow direction. The kiln head is additionally provided with a heat-resistant steel guard plate, a cold air jacket and a cooling air pipe device due to high temperature. The utility model discloses the flue gas that says is the mixture of the result after the waste incineration schizolysis in the rotary kiln and air, forms the negative pressure at the kiln tail through the exhaust fan convulsions among the process systems, goes out to the interior automatic air inlet of kiln from the kiln tail cover, and the purpose of air inlet mainly provides oxygen in the kiln.
The embodiment of the present invention discloses a preferred embodiment, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention according to the above embodiment, and make different extensions and changes, but do not depart from the spirit of the present invention, all of which are within the protection scope of the present invention.
Claims (6)
1. The countercurrent waste incineration rotary kiln comprises a rotary rolling cylinder body (2) which is obliquely arranged, a kiln head cover (12) and a kiln tail cover (13) which are connected at two ends of the rotary rolling cylinder body, and is characterized in that: the kiln tail cover (13) is positioned at the lower end of the rotary rolling cylinder body (2), and the kiln head cover (12) is positioned at the high end of the rotary rolling cylinder body (2) to burn the rotary kiln and further comprises:
-a feeding device (14) connected to the kiln head casing (12), and
-a discharge device (15) connected to the kiln hood (13), and
-air intake means (11) connected to the side of the discharge means (15) of the kiln hood (13) for continuously feeding the flowing flue gases in the direction of the kiln hood (13).
2. The reverse-flow waste incineration rotary kiln according to claim 1, wherein: the rotary rolling cylinder (2) is positioned on the outer side of the kiln head cover (12) and is provided with a cold air sleeve (9) and a cooling air pipe (7) for supplying cooling air into the cold air sleeve.
3. The reverse-flow waste incineration rotary kiln according to claim 1 or 2, characterized in that: a feeding sealing device (1) and a discharging sealing device (6) are respectively connected between the rotary rolling cylinder (2) and the feeding device (14) and between the rotary rolling cylinder and the discharging device (15).
4. The reverse-flow waste incineration rotary kiln according to claim 2, wherein: the cooling air pipe (7) is arranged along the circumferential direction of the rotary rolling cylinder body (2).
5. The reverse-flow waste incineration rotary kiln according to claim 1, wherein: the whole rotary rolling cylinder (2) is inclined by 1-3 degrees.
6. The reverse-flow waste incineration rotary kiln according to claim 5, wherein: the rotary rolling cylinder body (2) is sequentially provided with a supporting device (3), a transmission device (4) and a belt blocking supporting device (5) from a kiln head cover (12) to a kiln tail cover (13), and a supporting roller (51) of the belt blocking supporting device (5) is adjustable relative to a hydraulic blocking wheel structure (511) of the rotary rolling cylinder body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920812815.8U CN210320065U (en) | 2019-05-31 | 2019-05-31 | Countercurrent waste incineration rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920812815.8U CN210320065U (en) | 2019-05-31 | 2019-05-31 | Countercurrent waste incineration rotary kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210320065U true CN210320065U (en) | 2020-04-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920812815.8U Active CN210320065U (en) | 2019-05-31 | 2019-05-31 | Countercurrent waste incineration rotary kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210320065U (en) |
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2019
- 2019-05-31 CN CN201920812815.8U patent/CN210320065U/en active Active
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