CN212720806U

CN212720806U - Rotary kiln feeding guide structure

Info

Publication number: CN212720806U
Application number: CN202021508520.0U
Authority: CN
Inventors: 周波; 白梅
Original assignee: Sichuan Zhongke Rongchen Environmental Protection Technology Co ltd
Current assignee: Sichuan Zhongke Rongchen Environmental Protection Technology Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-03-16
Anticipated expiration: 2030-07-24

Abstract

The utility model discloses a rotary kiln feeding guide structure, including the kiln body, the one end of the kiln body is opened there is the feed inlet, be close to feed inlet department in the kiln body and install and be spiral helicine guide spiral shell area, guide spiral shell area is around kiln internal wall setting, it is protruding around the arc of feed inlet center evenly distributed to be equipped with the several on the port inner wall of feed inlet, feed inlet department is equipped with the inlet pipe, and the one end of inlet pipe stretches into the feed inlet and arranges the kiln in internally, and the other end is located outside the kiln body, and the inlet pipe passes the bottom of feed inlet department and the protruding contact of arc of feed inlet bottom, the inlet pipe is located the outer one end of kiln and is connected with universal hose, and universal hose keeps away from the one. The utility model has the advantages of simple structure and reasonable design, pay-off and the constantly changeable blanking position through the guide spiral shell area have effectively avoided the material in the accumulational condition of kiln tail to the production efficiency of rotary kiln has been improved.

Description

Rotary kiln feeding guide structure

Technical Field

The utility model belongs to the technical field of the rotary kiln, concretely relates to rotary kiln feeding guide structure.

Background

The feeding of current rotary kiln is mostly delivered to rotary kiln import top through screw feeder, and the rethread stretches into in the chute of kiln delivers into the kiln, then relies on the slope setting of rotary kiln and rotatory marcing that realizes the material, and this kind of mode makes the material pile up at the kiln tail easily, blocks up the feeding, leads to material filling coefficient low in the rotary kiln to the rotary kiln output is low, and the circumstances such as kiln tail returning charge still can appear simultaneously, influences normal production. However, a feeding and guiding device for a rotary kiln has been proposed, which is disclosed in patent No. CN201420498726.8, and discloses that "a guiding shaft is disposed at the tail of the rotary kiln, and a spiral guiding plate opposite to the rotary direction of the rotary kiln is disposed on the guiding shaft" so that when the rotary kiln rotates, the material is pushed forward by the spiral guiding plate, thereby preventing the material from being accumulated at the mouth of the rotary kiln. But its guide shaft and spiral stock guide setting are in the lower part of rotary kiln, and when the feeding was too much, the material was easily covered guide shaft and spiral stock guide from the top to still can cause the material to pile up, and the rigidity of chute blanking also is the reason that causes the material to easily pile up. Therefore, an idea of changing the chute blanking position continuously is provided.

Disclosure of Invention

The utility model aims to solve the technical problem that just not enough to above-mentioned prior art provides a rotary kiln feeding guide structure, and it can constantly change the position of chute blanking, still has good guide effect simultaneously, has effectively avoided the material to pile up at the kiln tail.

The utility model adopts the technical proposal that: the utility model provides a rotary kiln feeding guide structure, includes the kiln body, and open the one end of the kiln body has the feed inlet, be close to feed inlet department in the kiln body and install and be spiral helicine guide spiral shell area, the guide spiral shell area sets up around kiln internal wall, it is protruding around the arc of feed inlet center evenly distributed to be equipped with the several on the port inner wall of feed inlet, feed inlet department is equipped with the inlet pipe, and the one end of inlet pipe stretches into the feed inlet and arranges the kiln in internally, and the other end is located outside the kiln body, and the inlet pipe passes the bottom of feed inlet department and the protruding contact of arc of feed inlet bottom, the inlet pipe is located the outer one end of kiln and is connected with universal hose, and universal hose.

Preferably, the plurality of arcuate projections are connected end to end.

Preferably, the end part of the feeding pipe extending into the kiln body is positioned in the middle of the kiln body.

Preferably, the one end connection that the inlet pipe stretched into the kiln body has open bulk cargo head, the feed end and the inlet pipe intercommunication of bulk cargo head are fan-shaped distribution in the bulk cargo head and install the polylith baffle, and the one end of every baffle is located the feed end department of bulk cargo head, and one section is located the discharge end department of bulk cargo head in.

The beneficial effects of the utility model reside in that:

(1) the material guide screw belt is arranged, and the material guide screw belt is driven to rotate through the rotation of the kiln body during working, so that the material at the tail of the kiln is conveyed forwards, and the material accumulation at the tail of the kiln is avoided;

(2) the arc-shaped bulge is arranged, so that the feeding pipe contacted with the arc-shaped bulge swings up and down along with the arc-shaped bulge in the working and rotating process of the kiln body, the blanking position of materials is changed, and the materials are further prevented from being accumulated at the tail of the kiln;

(3) the universal hose is arranged, the feeding pipe is communicated with the blanking pipe of the feeding device through the universal hose, and the connection of the feeding pipe can swing up and down under the condition of keeping the original blanking mode, so that the reconstruction cost is reduced;

(4) be provided with the bulk cargo head, when the material ejection of compact, can disperse the blanking with the material, further avoid the material to pile up in kiln tail department.

The utility model has the advantages of simple structure and reasonable design, pay-off and the constantly changeable blanking position through the guide spiral shell area have effectively avoided the material in the accumulational condition of kiln tail to the production efficiency of rotary kiln has been improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is another schematic structural diagram of the present invention;

FIG. 3 is a schematic view of the feed inlet of the present invention;

fig. 4 is a schematic structural diagram of the bulk cargo head of the present invention.

In the figure: 1. a kiln body; 2. a feed inlet; 3. a material guiding spiral belt; 4. an arc-shaped bulge; 5. a feed pipe; 6. a universal hose; 7. a discharging pipe; 8. a bulk head; 9. a separator.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Examples

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the feeding and material guiding structure of the rotary kiln provided in this embodiment includes a kiln body 1, a feeding port 2 is opened at one end of the kiln body 1, the interior of the kiln body 1 at the end where the feeding port 2 is opened is generally called a kiln tail, a spiral material guiding spiral belt 3 is installed in the kiln body 1 near the feeding port 2, that is, the material guiding spiral belt 3 is installed on the inner wall of the kiln tail around the inner wall of the kiln body 1;

the kiln comprises a kiln body 1, a plurality of feeding holes 2 and a universal hose 6, wherein a plurality of arc-shaped bulges 4 which are uniformly distributed around the center of the feeding holes 2 are arranged on the inner wall of the port of the feeding hole 2, the arc-shaped bulges 4 are connected end to form a uniformly fluctuant ring shape, one end of the feeding pipe 5 stretches into the feeding hole 2 and is arranged in the middle of the kiln body 1 and is connected with a material scattering head 8, the other end of the feeding pipe 5 is positioned outside the kiln body 1 and is connected with the universal hose 6, the feeding pipe 5 penetrates through the bottom of the feeding hole 2 and is arranged on the arc-shaped bulges 4 at the bottom of the feeding hole 2, the kiln body 1 rotates to drive the feeding hole 2 to rotate, the feeding;

the feed end and the 5 intercommunications of inlet pipe of bulk cargo head 8, bulk cargo pipe are flat uncovered form, are fan-shaped distribution in bulk cargo head 8 and install polylith baffle 9, and the one end of every baffle 9 is located the feed end department of bulk cargo head 8, and the other end is located the discharge end department of bulk cargo head 8 to separate a plurality of material passageways in with bulk cargo head 8 through polylith baffle 9.

The utility model discloses at first through the blanking position that changes the material, feed pipe 7 and inlet pipe 5 intercommunication of conveyor through universal hose 6, the feed end of inlet pipe 5 is located the kiln body 1, can rotate constantly when the kiln body 1 is worked, thereby make feed inlet 2 rotate along with the kiln body 1 rotation, the bottom of inlet pipe 5 is placed on the arc arch 4 of feed inlet 2 again, therefore, the arc arch 4 that links to each other end to end can be made circular motion to the feed inlet 2 that rotates, thereby make inlet pipe 5 with arc arch 4 contact fluctuate and swing along with the rotation of arc arch 4, thereby the blanking position of continuous change material; on the basis, the bulk material head 8 is additionally arranged, so that materials are dispersed by the partition plate 9 when entering the bulk material head 8, and are conveyed to the discharge end of the bulk material head 8 through material channels with different angles, so that the materials discharged through the bulk material head 8 are dispersed towards two sides, and meanwhile, the discharged materials are swung up and down by the feeding pipe 5, so that the blanking positions of the materials are more dispersed, and the materials are prevented from being stacked; when the material that sends into in the kiln body 1 rotates along with the kiln body 1, can be promoted forward by the guide spiral shell area 3 that kiln tail department set up to more effectual material of having avoided piling up in kiln tail department reaches the purpose of guide.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and inventive concept provided by the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a rotary kiln feeding guide structure, includes the kiln body (1), and open the one end of the kiln body (1) has feed inlet (2), its characterized in that: kiln body (1) is interior to be close to feed inlet (2) and locates to install and be spiral helicine guide spiral shell area (3), and guide spiral shell area (3) are around kiln body (1) inner wall setting, be equipped with several arc arch (4) around feed inlet (2) center evenly distributed on the port inner wall of feed inlet (2), feed inlet (2) department is equipped with inlet pipe (5), and the one end of inlet pipe (5) is stretched into feed inlet (2) and is arranged in kiln body (1), and the other end is located outside kiln body (1), and inlet pipe (5) pass the bottom of feed inlet (2) department and arc arch (4) the contact of feed inlet (2) bottom, the one end that inlet pipe (5) are located kiln body (1) is connected with universal hose (6), and universal hose (6) keep away from the one end of inlet pipe (5) and conveyor's unloading pipe (7) intercommunication.

2. The rotary kiln feeding and guiding structure as claimed in claim 1, wherein: the arc-shaped bulges (4) are connected end to end.

3. The rotary kiln feeding and guiding structure as claimed in claim 1, wherein: the end part of the feed pipe (5) extending into the kiln body (1) is positioned in the middle of the kiln body (1).

4. The rotary kiln feeding and guiding structure as claimed in claim 1 or 3, wherein: one end connection that inlet pipe (5) stretched into the kiln body (1) has open bulk cargo head (8), the feed end and inlet pipe (5) intercommunication of bulk cargo head (8) are fan-shaped distribution in bulk cargo head (8) and install polylith baffle (9), and the one end of every baffle (9) is located the feed end department of bulk cargo head (8), and interior one section is located the discharge end department of bulk cargo head (8).