CN217715838U - Material drying system utilizing waste heat outside cylinder of roasting rotary kiln - Google Patents
Material drying system utilizing waste heat outside cylinder of roasting rotary kiln Download PDFInfo
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- CN217715838U CN217715838U CN202220820442.0U CN202220820442U CN217715838U CN 217715838 U CN217715838 U CN 217715838U CN 202220820442 U CN202220820442 U CN 202220820442U CN 217715838 U CN217715838 U CN 217715838U
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Abstract
The utility model provides a material drying system utilizing waste heat outside a rotary kiln cylinder for roasting, which comprises a feeding helical blade welded on the outer surface of the rotary kiln cylinder and an outer shell sleeved outside the helical blade, wherein sealing devices for preventing materials from overflowing are respectively installed between the two ends of the outer shell and the rotary kiln cylinder, a feed inlet is arranged at the top of one end of the outer shell, and a discharge outlet is arranged at the bottom of the other end of the outer shell; along with the rotation of the rotary kiln barrel, materials between the rotary kiln barrel and the outer shell are pushed from the direction of the feed inlet to the direction of the discharge outlet, and the materials are dried by using the waste heat outside the rotary kiln barrel. The utility model discloses can effectually utilize the outer waste heat of rotary kiln barrel to dry the material, avoid causing the waste of the energy, greatly promote waste heat utilization's efficiency.
Description
Technical Field
The utility model relates to a rotary kiln equipment technical field especially relates to an utilize material drying system of the external waste heat of calcination rotary kiln barrel.
Background
The rotary kiln is a rotary calcining kiln (commonly called rotary kiln) and belongs to building material equipment. Rotary kilns can be divided into cement kilns, metallurgical chemical kilns and lime kilns according to the different materials to be treated. At present, a large amount of heat is wasted and energy is extremely wasted in the working process of the rotary kiln. The material to be roasted has a large water content or oil content, which greatly affects the roasting effect. At present, a special dryer is needed to be used for drying materials, and then roasting is carried out. Wasting a lot of energy and greatly increasing the economic cost.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the utility model provides an utilize material drying system of the outer waste heat of calcination rotary kiln barrel, can effectually utilize the outer waste heat of rotary kiln barrel to dry the material, avoid causing the waste of the energy, greatly promoted waste heat utilization's efficiency.
In order to realize the purpose, the utility model discloses a technical scheme is: a material drying system utilizing waste heat outside a rotary kiln cylinder for roasting comprises a feeding spiral blade welded on the outer surface of the rotary kiln cylinder and an outer shell sleeved outside the spiral blade, wherein sealing devices for preventing materials from overflowing are respectively installed between two ends of the outer shell and the rotary kiln cylinder, a feed inlet is formed in the top of one end of the outer shell, and a discharge outlet is formed in the bottom of the other end of the outer shell; along with the rotation of the rotary kiln barrel, materials between the rotary kiln barrel and the outer shell are pushed from the direction of the feed inlet to the direction of the discharge outlet, and the materials are dried by using the waste heat outside the rotary kiln barrel.
Preferably, the bottom of the outer shell is provided with a plurality of groups of supporting legs for supporting the outer shell in a suspended manner.
Preferably, the system further comprises a dust collecting device used for sucking out water vapor and dust generated in the drying process, and the dust collecting device is communicated with the outer shell through a pipeline.
Preferably, the dust collecting device comprises a dust collecting fan and a filter bag, the dust collecting fan is used for providing suction, and the filter bag is used for filtering dust.
Preferably, the system further comprises a feeding device and a conveying device, the feeding device and the conveying device both comprise a conveying belt and a driving motor, the tail end of the conveying belt of the feeding device is close to the feeding hole, the head end of the conveying belt of the conveying device is close to the discharging hole, the feeding device is used for conveying materials to the feeding hole, and the conveying device is used for outputting the materials from the discharging hole.
According to the technical scheme, the beneficial effects of the utility model are that:
this system is through add helical blade outside the rotary kiln barrel, and helical blade rotates along with the rotary kiln barrel, and then promotes the material and move in the horizontal direction and dry, carries out rotatory stoving to the material, has greatly promoted the homogeneity of stoving to utilize the outer waste heat of rotary kiln barrel to very big degree, avoid causing a large amount of energy extravagant, and enlarge economic cost. Add dust arrester installation, promote the stoving effect. The automation degree of the system is improved by combining the feeding device and the conveying device.
Drawings
Fig. 1 is a schematic structural view of the drying device of the present invention;
FIG. 2 is a side view of the drying apparatus of the present invention;
fig. 3 is a usage state diagram of the present invention.
The labels in the figure are: 1. the rotary kiln comprises an outer shell, 2 parts of a spiral blade, 3 parts of a feed inlet, 4 parts of a rotary kiln barrel, 5 parts of supporting legs, 6 parts of a discharge port, 7 parts of a kiln head box, 8 parts of a drying device, 9 parts of a dust collecting device, 10 parts of a rotary kiln feeding device, 11 parts of a kiln tail box, 12 parts of a feeding device, 13 parts of a conveying device.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose.
Meanwhile, it is to be noted that, unless otherwise stated, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplified description, rather than to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. The relative relationship between the two elements can be changed or adjusted without substantial technical changes.
As shown in fig. 1-3, a material drying system using waste heat outside a cylinder of a rotary roasting kiln comprises a drying device 8, a dust collecting device 9, a feeding device 12 and a conveying device 13. Two end parts of the rotary kiln barrel 4 are respectively connected with a kiln head box 7 and a kiln tail box 11, and the kiln tail box 11 is connected with a rotary kiln feeding device 10. The system utilizes the self-rotation and the waste heat of the rotary kiln barrel 4 to dry the materials.
Drying device 8 is including welding establish the shell body 1 outside helical blade 2 is located to the material spiral blade 2 and the cover of walking of rotary kiln barrel 4 surface, installs the sealing device who prevents the material excessive respectively between shell body 1 both ends and the rotary kiln barrel 4, and this sealing device chooses for use labyrinth seal, flake sealing, graphite sealing device. And a plurality of groups of supporting legs 5 for supporting the shell body 1 in a suspended manner are arranged at the bottom of the shell body. A feed inlet 3 is formed in the top of one end of the outer shell 1, and a discharge outlet 6 is formed in the bottom of the other end of the outer shell 1; accompanied by rotation of the rotary kiln barrel 4. The materials between the rotary kiln barrel 4 and the outer shell 1 are pushed from the direction of the feed inlet 3 to the direction of the discharge outlet 6, and the materials are dried by utilizing the waste heat outside the rotary kiln barrel 4.
The dust collecting device 9 is communicated with the outer shell 1 through a pipeline and used for sucking out water vapor and dust generated in the drying process. The dust collecting device 9 comprises a dust collecting fan and a filter bag, the dust collecting fan is used for providing suction, and the filter bag is used for filtering dust.
Loading attachment 12 and conveyor 13 all include conveyer belt and driving motor, the end of loading attachment 12's conveyer belt is close to feed inlet 3, the head end of conveyor 13's conveyer belt is close to discharge gate 6, and loading attachment 12 is used for conveying the material to feed inlet 3, and conveyor 13 is used for exporting the material from discharge gate 6.
In the specific work, the rotary kiln barrel 4 rotates, the feeding device 12 is used for conveying materials to the feeding hole 3, the materials slide into the spiral blade 2, the spiral blade 2 rotates along with the rotary kiln barrel 4 to drive the materials to move in the horizontal direction for drying, dust and water vapor generated in the drying process are sucked out by the dust collecting device 9, and the dried materials are output from the discharging hole 6 through the conveying device 13.
It should be noted that the above embodiments are only used for illustrating the present invention, but the present invention is not limited to the above embodiments, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention all fall into the protection scope of the present invention.
Claims (5)
1. The utility model provides an utilize material drying system of external waste heat of calcination rotary kiln barrel which characterized in that: the rotary kiln comprises a feeding helical blade (2) welded on the outer surface of a rotary kiln cylinder (4) and an outer shell (1) sleeved outside the helical blade (2), wherein sealing devices for preventing materials from overflowing are respectively installed between two ends of the outer shell (1) and the rotary kiln cylinder (4), a feeding hole (3) is formed in the top of one end of the outer shell (1), and a discharging hole (6) is formed in the bottom of the other end of the outer shell (1); along with the rotation of the rotary kiln cylinder (4), materials between the rotary kiln cylinder (4) and the outer shell (1) are pushed from the direction of the feed port (3) to the direction of the discharge port (6), and the materials are dried by using the waste heat outside the rotary kiln cylinder (4).
2. The material drying system using waste heat outside a cylinder of a roasting rotary kiln as claimed in claim 1, characterized in that: the bottom of the outer shell (1) is provided with a plurality of groups of supporting legs (5) for supporting the outer shell in a suspension manner.
3. The material drying system using waste heat outside a cylinder of a roasting rotary kiln as claimed in claim 1, characterized in that: the drying device is characterized by further comprising a dust collecting device (9) used for sucking out water vapor and dust generated in the drying process, wherein the dust collecting device (9) is communicated with the outer shell (1) through a pipeline.
4. The material drying system using the waste heat outside the cylinder of the roasting rotary kiln as claimed in claim 3, characterized in that: the dust collecting device (9) comprises a dust collecting fan and a filter bag, wherein the dust collecting fan is used for providing suction, and the filter bag is used for filtering dust.
5. The material drying system using the waste heat outside the cylinder of the roasting rotary kiln as claimed in claim 1, which is characterized in that: the automatic feeding device is characterized by further comprising a feeding device (12) and a conveying device (13), wherein the feeding device (12) and the conveying device (13) both comprise a conveying belt and a driving motor, the tail end of the conveying belt of the feeding device (12) is close to the feed port (3), the head end of the conveying belt of the conveying device (13) is close to the discharge port (6), the feeding device (12) is used for conveying materials to the feed port (3), and the conveying device (13) is used for outputting the materials from the discharge port (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220820442.0U CN217715838U (en) | 2022-04-11 | 2022-04-11 | Material drying system utilizing waste heat outside cylinder of roasting rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220820442.0U CN217715838U (en) | 2022-04-11 | 2022-04-11 | Material drying system utilizing waste heat outside cylinder of roasting rotary kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217715838U true CN217715838U (en) | 2022-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220820442.0U Active CN217715838U (en) | 2022-04-11 | 2022-04-11 | Material drying system utilizing waste heat outside cylinder of roasting rotary kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217715838U (en) |
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2022
- 2022-04-11 CN CN202220820442.0U patent/CN217715838U/en active Active
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