CN214601754U

CN214601754U - Rotary kiln structure of casting sand

Info

Publication number: CN214601754U
Application number: CN202120289736.0U
Authority: CN
Inventors: 王金辉
Original assignee: Hebei Jinmaima Steel Co ltd
Current assignee: Hebei Jinmaima Steel Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-11-05
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses a rotary kiln structure of casting sand belongs to rotary kiln technical field, roll circle, third roll circle, driving gear, motor, raw material tank, first heat preservation and second heat preservation including base, mixing box, air-blower, the kiln body, first roll circle, second, the below of the base left and right sides all is provided with the support column, and a supporting bench is installed in the left side of base top, and a supporting bench's top is provided with the air-blower, and the right side of air-blower is connected with pipeline, and a supporting bench's right side is provided with the support frame, and the one end that the base was kept away from to the support frame is connected with mixing box, and mixing box's top is provided with first feed inlet. The utility model discloses be provided with first heat preservation and second heat preservation, the internal first heat preservation of kiln and second heat preservation can keep warm to the kiln body at the at utmost, guarantee the efficiency of the kiln body in the calcination process, improve the productivity, reduce energy consumption.

Description

Rotary kiln structure of casting sand

Technical Field

The utility model belongs to the technical field of the rotary kiln, specifically a rotary kiln structure of casting sand.

Background

The rotary kiln is a rotary calcining kiln, belongs to building material equipment, and is a continuous drying production machine which is widely applied to the fields of metallurgy, chemical industry, food and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotary kiln structure of casting sand to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a rotary kiln structure for casting sand comprises a base, a mixing box, an air blower, a kiln body, a first rolling ring, a second rolling ring, a third rolling ring, a driving gear, a motor, a raw material box, a first heat-insulating layer and a second heat-insulating layer, wherein support columns are arranged below the left side and the right side of the base respectively; an outlet sealing ring is arranged at the left end of the outer part of the kiln body, a first rolling ring is arranged at the left side of the kiln body, a first supporting wheel is connected below the first rolling ring, a fixing column is connected below the first supporting wheel, one end, away from the first supporting wheel, of the fixing column is fixedly connected with a base, a second rolling ring is arranged at the right side of the first rolling ring, a driven gear is arranged at the right side of the second rolling ring, a driving gear is connected below the driven gear, a transmission shaft is connected at the right side of the driving gear, one end, away from the driving gear, of the transmission shaft is connected with a gearbox, a motor is connected at the right side of the gearbox, a motor support is connected below the motor, and one end, away from the motor, of the motor support is fixedly connected with the base; a third rolling ring is arranged on the right side of the driven gear; an inlet sealing ring is arranged at the right end of the kiln body, a feeding pipeline is connected to the right side of the kiln body, a raw material box is connected to one end, away from the kiln body, of the feeding pipeline, and a second feeding hole is formed above the raw material box; the upper and lower inner wall of the kiln body all is provided with a plurality of protruding tooth, and the skin of the kiln body is provided with first heat preservation, and the below on first heat preservation is provided with the second heat preservation, and the surface of the kiln body is provided with a plurality of bleeder vent.

As a further aspect of the present invention: and a first riding wheel, a second riding wheel and a third riding wheel are respectively arranged below the first rolling ring, the second rolling ring and the third rolling ring, and fixed columns are respectively arranged below the first riding wheel, the second riding wheel and the third riding wheel.

As a further aspect of the present invention: and a condensing pipe is arranged at the middle position outside the kiln body.

As a further aspect of the present invention: and a support leg is connected below the raw material box.

As a further aspect of the present invention: the inclination angle of the kiln body is 3 to 5 degrees.

Compared with the prior art, the utility model discloses be provided with mixing box, the air-blower, the kiln body, first ring, the second ring, the third ring, the driving gear, including a motor, an end cap, a controller, and a cover plate, raw material box, first riding wheel, second riding wheel and third riding wheel, pour the raw materials into raw material box from the second feed inlet, the raw materials passes through the charge-in pipeline and gets into in the kiln body, pour the compounding into mixing box through first feed inlet, open the air-blower, the air-blower sends the compounding into the kiln body through the pipeline, open the motor, the left driving gear of transmission shaft is rotated in the motor drive, the driving gear drives driven gear rotation, driven gear drives the kiln body and begins to rotate, stir raw materials with the compounding, when the kiln body rotates, first ring, second ring and third ring rotate on first riding wheel, second riding wheel and third riding wheel respectively, further increase kiln body pivoted stability; be provided with first heat preservation and second heat preservation, the internal first heat preservation of kiln and second heat preservation can keep warm to the kiln body in the at utmost, guarantee the efficiency of the kiln body in the calcination process, improve the productivity, reduce energy consumption.

Drawings

Fig. 1 is a schematic structural view of a rotary kiln structure for casting sand.

Fig. 2 is a schematic sectional view of a kiln body in a rotary kiln structure for casting sand.

Fig. 3 is a schematic sectional view of a side view of a kiln body in a rotary kiln structure for casting sand.

In the figure: 1. a base; 2. a support pillar; 3. a support frame; 4. a mixing box; 5. a first feed port; 6. a blower; 7. a support table; 8. a delivery conduit; 9. a discharge pipeline; 10. a kiln body; 11. an outlet seal ring; 12. an inlet seal ring; 13. a condenser tube; 14. a first rolling ring; 15. a first riding wheel; 16. fixing a column; 17. a second rolling ring; 18. a second riding wheel; 19. a third rolling ring; 20. a third riding wheel; 21. a driven gear; 22. a driving gear; 23. a drive shaft; 24. a gearbox; 25. a motor; 26. a motor bracket; 27. a feed conduit; 28. a raw material tank; 29. supporting legs; 30. a second feed port; 31. a first insulating layer; 32. a protruding tooth; 33. air holes are formed; 34. and a second insulating layer.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-3, a rotary kiln structure for casting sand includes a base 1, a mixing box 4, a blower 6, a kiln body 10, a first rolling ring 14, a second rolling ring 17, a third rolling ring 19, a driving gear 22, a motor 25, a raw material box 28, a first heat-insulating layer 31 and a second heat-insulating layer 34; the support columns 2 are arranged below the left side and the right side of the base 1, the support table 7 is arranged on the left side above the base 1, the air blower 6 is arranged above the support table 7, the right side of the air blower 6 is connected with the conveying pipeline 8, the support frame 3 is arranged on the right side of the support table 7, one end, away from the base 1, of the support frame 3 is connected with the mixing box 4, the first feed inlet 5 is arranged above the mixing box 4, the discharge pipeline 9 is connected below the mixing box 4, one end, away from the mixing box 4, of the discharge pipeline 9 is connected with the conveying pipeline 8, and one end, away from the air blower 6, of the conveying pipeline 8 is connected with the kiln body 10;

an outlet sealing ring 11 is arranged at the left end outside the kiln body 10, a first rolling ring 14 is arranged at the left side of the kiln body 10, a first riding wheel 15 is connected below the first rolling ring 14, a fixing column 16 is connected below the first riding wheel 15, one end, far away from the first riding wheel 15, of the fixing column 16 is fixedly connected with the base 1, a second rolling ring 17 is arranged at the right side of the first rolling ring 14, a second riding wheel 18 is arranged below the second rolling ring 17, a driven gear 21 is arranged at the right side of the second rolling ring 17, a driving gear 22 is connected below the driven gear 21, a transmission shaft 23 is connected to the right side of the driving gear 22, a gearbox 24 is connected to one end, far away from the driving gear 22, of the transmission shaft 23, a motor 25 is connected to the right side of the gearbox 24, a motor support 26 is connected below the motor 25, and one end, far away from the motor 25, of the motor support 26 is fixedly connected with the base 1; a third rolling ring 19 is arranged on the right side of the driven gear 21, and a third riding wheel 20 is connected below the third rolling ring 19; an inlet sealing ring 12 is arranged at the right end of the kiln body 10, a condensing pipe 13 is arranged at the middle position outside the kiln body 10, a feeding pipeline 27 is connected to the right side of the kiln body 10, one end, away from the kiln body 10, of the feeding pipeline 27 is connected with a raw material box 28, a second feeding hole 30 is arranged above the raw material box 28, and supporting legs 29 are connected below the raw material box 28;

the upper and lower inner wall of the kiln body 10 all is provided with protruding tooth 32 of a plurality of, can help raw materials stirring more even, and the skin of the kiln body 10 is provided with first heat preservation 31, and the below of first heat preservation 31 is provided with second heat preservation 34, and the surface of the kiln body 10 is provided with a plurality of bleeder vent 33.

The utility model discloses a theory of operation is: pouring raw materials into a raw material box 28 from a second feeding hole 30, feeding the raw materials into a kiln body 10 through a feeding pipeline 27, pouring mixed materials into a mixing box 4 through a first feeding hole 5, opening an air blower 6, sending the mixed materials into the kiln body 10 through a conveying pipeline 8 by the air blower 6, opening a motor 25, driving a driving gear 22 on the left side of a transmission shaft 23 to rotate by the motor 25, driving a driven gear 21 to rotate by the driving gear 22, driving the kiln body 10 to start rotating by the driven gear 21, stirring the raw materials and the mixed materials, respectively rotating a first rolling ring 14, a second rolling ring 17 and a third rolling ring 19 on a first supporting wheel 15, a second supporting wheel 18 and a third supporting wheel 20 when the kiln body 10 rotates, further increasing the stability of the rotation of the kiln body 10, and impacting the raw materials and the mixed materials by a protruded tooth 32 in the kiln body 10, thereby improving the stirring efficiency, and preserving heat of the kiln body 10 to the maximum degree by a first heat preservation layer 31 and a second heat preservation layer 34 in the kiln body 10, the efficiency of the kiln body 10 in the calcining process is ensured, and the yield is improved.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A rotary kiln structure for casting sand comprises a base (1), a mixing box (4), an air blower (6), a kiln body (10), a first rolling ring (14), a second rolling ring (17), a third rolling ring (19), a driving gear (22), a motor (25), a raw material box (28), a first heat-insulating layer (31) and a second heat-insulating layer (34), and is characterized in that support columns (2) are arranged below the left side and the right side of the base (1), a support table (7) is arranged on the left side above the base (1), the air blower (6) is arranged above the support table (7), a conveying pipeline (8) is connected on the right side of the air blower (6), a support frame (3) is arranged on the right side of the support table (7), the mixing box (4) is connected at one end, far away from the base (1), of the support frame (3), and a first feeding hole (5) is arranged above the mixing box (4), a discharge pipeline (9) is connected below the mixing box (4), one end of the discharge pipeline (9) far away from the mixing box (4) is connected with a conveying pipeline (8), and one end of the conveying pipeline (8) far away from the air blower (6) is connected with a kiln body (10); an outlet sealing ring (11) is arranged at the left end outside the kiln body (10), a first rolling ring (14) is arranged on the left side of the kiln body (10), a first riding wheel (15) is connected below the first rolling ring (14), a fixing column (16) is connected below the first riding wheel (15), one end, far away from the first riding wheel (15), of the fixing column (16) is fixedly connected with the base (1), a second rolling ring (17) is arranged on the right side of the first rolling ring (14), a driven gear (21) is arranged on the right side of the second rolling ring (17), a driving gear (22) is connected below the driven gear (21), a transmission shaft (23) is connected on the right side of the driving gear (22), a gearbox (24) is connected at one end, far away from the driving gear (22), of the transmission shaft (23), a motor (25) is connected on the right side of the gearbox (24), a motor support (26) is connected below the motor (25), one end of the motor bracket (26) far away from the motor (25) is fixedly connected with the base (1); a third rolling ring (19) is arranged on the right side of the driven gear (21); an inlet sealing ring (12) is arranged at the right end of the kiln body (10), a feeding pipeline (27) is connected to the right side of the kiln body (10), a raw material box (28) is connected to one end, far away from the kiln body (10), of the feeding pipeline (27), and a second feeding hole (30) is formed above the raw material box (28); the kiln comprises a kiln body (10), and is characterized in that a plurality of protruding teeth (32) are arranged on the upper inner wall and the lower inner wall of the kiln body (10), a first heat preservation layer (31) is arranged on the outer layer of the kiln body (10), a second heat preservation layer (34) is arranged below the first heat preservation layer (31), and a plurality of air holes (33) are formed in the outer surface of the kiln body (10).

2. The rotary kiln structure for casting sand according to claim 1, wherein a first riding wheel (15), a second riding wheel (18) and a third riding wheel (20) are respectively arranged below the first rolling ring (14), the second rolling ring (17) and the third rolling ring (19), and a fixing column (16) is respectively arranged below the first riding wheel (15), the second riding wheel (18) and the third riding wheel (20).

3. A rotary kiln construction for foundry sand according to claim 1, characterized in that a condensation duct (13) is provided at an intermediate position outside the kiln body (10).

4. A rotary kiln construction for foundry sand according to claim 1, characterized in that support legs (29) are attached to the underside of the raw material box (28).

5. A rotary kiln construction for foundry sand according to claim 1, characterized in that the angle of inclination of the kiln body (10) is 3 to 5 degrees.