CN218841988U

CN218841988U - Production device for improving yield of active lime

Info

Publication number: CN218841988U
Application number: CN202220865035.1U
Authority: CN
Inventors: 唐明武; 刘洪�; 段宏德; 王金峰; 祝依权; 余龙
Original assignee: Wuwei Hwasu Mining Co ltd
Current assignee: Wuwei Hwasu Mining Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2023-04-11
Anticipated expiration: 2032-04-14

Abstract

The utility model provides a production device for improving the yield of active lime, which comprises a heating furnace base and a rotary furnace, wherein one end of the rotary furnace is provided with a feeding base, the upper end of the feeding base is provided with a first box body, the upper end of the first box body is provided with a feeding bin and a spiral feeding part, the feeding bin and the spiral feeding part extend into a second box body arranged in the rotary furnace, one end of the rotary furnace is provided with a waste gas pipe, and the waste gas pipe is communicated with a spiral pipe arranged in the feeding base; the utility model discloses with traditional active lime apparatus for producing be distinguished that, its preheating device adopts two box bilayer structures to constitute, and it has the spiral pipe to encircle in the interval that leaves between two boxes, spiral pipe and the exhaust pipe intercommunication of connection on the rotary furnace, the high temperature waste gas of the intraductal transmission of exhaust pipe can heat the box, and spiral pay-off portion is to the quantitative transport of the material that drops into in the second box, makes the material obtain abundant preheating, practices thrift heat loss to improve the yield.

Description

Production device for improving yield of active lime

Technical Field

The utility model relates to a mineral processing equipment technical field especially relates to an improve apparatus for producing of active lime yield.

Background

The active lime production line refers to an operation production line for producing active lime. The common rotary kilns can be divided into cement kilns, metallurgical chemical kilns and lime kilns according to different materials to be treated. The cement kiln is mainly used for calcining cement clinker and comprises a dry-process cement kiln and a wet-process cement kiln. The rotary kiln is a main machine in lime cement production in the building material industry, and not only can be used for calcining limestone, but also can be used for calcining cement clinker and clay, drying slag and the like.

In the existing active lime production device, in order to ensure the yield of calcined limestone, preheating is often carried out before the limestone is put into a rotary furnace. Traditional preheating equipment and rotary furnace are mostly split type structure, when preheating, need raw and other materials to drop into the heating in the preheating equipment, in the rotary kiln is pushed into to hydraulic push rod, the lime stone decomposes through the sintering in the rotary kiln. In the injection mode, when a large amount of materials are put into the preheating device, the materials of the preheating device are difficult to be sufficiently heated, and the heat loss is serious. Therefore the utility model provides a production device for improving the yield of active lime, which solves the problems existing in the prior art.

Disclosure of Invention

To the problem, the utility model provides an improve apparatus for producing of active lime yield for solve traditional active lime apparatus for producing, it is when the input material is very big, and preheating equipment hardly carries out abundant heating, the serious relevant problem of thermal loss to the material.

For realizing the purpose of the utility model, the utility model discloses a following technical scheme realizes: a production device for improving the yield of active lime comprises a heating furnace base and a rotary furnace arranged at the upper end of the heating furnace base;

one end of the rotary furnace is provided with a feeding seat, the upper end of the feeding seat is provided with a first box body, the lower end of the first box body is communicated with the rotary furnace through a feeding assembly, the upper end of the first box body is provided with a feeding bin and a spiral feeding part, and the feeding bin and the spiral feeding part extend into a second box body arranged in the rotary furnace;

one end of the rotary furnace is provided with a discharging seat, the discharging seat is connected with a waste gas pipe, one end of the waste gas pipe is communicated with the rotary furnace through the discharging seat, the other end of the waste gas pipe is communicated with a spiral pipe arranged in the feeding seat, and the spiral pipe surrounds the outside of the second box and is communicated with an exhaust pipe arranged at the upper end of the feeding seat.

The further improvement is that: the spiral feeding part comprises a main motor arranged at the upper end of the first box body, the main motor is arranged on one side of the feeding bin and is fixedly connected with the upper end of the first box body, the output end of the feeding bin penetrates through the first box body and the second box body and is connected with a feeding spiral blade shaft arranged in the second box body, and the feeding spiral blade shaft is matched with the inner cavity of the second box body.

The further improvement lies in that: the feeding bin is arranged at the upper end of the first box body and fixedly connected with the first box body, an injection pipe is arranged at the lower end of the feeding bin, and the bottom end of the injection pipe penetrates through the first box body and the second box body and extends to the position above the feeding spiral blade shaft blade.

The further improvement lies in that: pay-off subassembly is equipped with driving motor including establishing at first box lower extreme and with the feed bin of second box intercommunication on one side of the feed bin, and the feed bin opposite side is equipped with the feed cylinder, and the feed cylinder is kept away from feed bin one end and is extended to in the rotary furnace, is equipped with the guide helical blade axle that links to each other with the driving motor output in the feed cylinder.

The further improvement lies in that: the rod body of the waste gas pipe positioned outside the rotary furnace is sleeved with a heat-insulating sleeve, and the heat-insulating sleeve is arranged on one side of the heating furnace base and is fixedly connected with the heating furnace base through a connecting piece.

The further improvement lies in that: a plurality of reinforcing plates are arranged on the outer side of the first box body, and each reinforcing plate is welded on the outer wall of the first box body in an annular mode.

The further improvement is that: and a plurality of positioning bolts are assembled on the reinforcing plate and are matched with the positioning holes formed in the outer wall of the second box body.

The utility model has the advantages that: this improve apparatus for producing of active lime yield, compare in traditional active lime apparatus for producing, its preheating chamber comprises two boxes of first box and second box, it has the spiral pipe to encircle in the interval that leaves between two boxes, the spiral pipe communicates with the exhaust pipe of connection on the rotary furnace, the high temperature waste gas of conveying in the exhaust pipe heats the second box, spiral pay-off portion is to the material ration transport that drops into in the second box, make the material obtain abundant preheating, practice thrift heat loss, and improve the yield.

Drawings

Fig. 1 is a structural diagram of the present invention.

Fig. 2 is a structural diagram of the first box of the present invention.

Fig. 3 is a structural diagram of the feeding assembly of the present invention.

Fig. 4 is a sectional view of the second casing of the present invention.

Wherein: 1. a heating furnace base; 2. a rotary kiln; 3. a discharging seat; 4. a feeding seat; 5. a feeding assembly; 51. a storage bin; 52. a material guiding spiral blade shaft; 53. a charging barrel; 6. a first case; 61. a reinforcing plate; 62. a feeding bin; 63. injecting a material pipe; 7. an exhaust gas pipe; 71. an exhaust pipe; 8. a heat-insulating sleeve; 9. a main motor; 91. feeding a spiral blade shaft; 10. a second case; 11. a spiral tube.

Detailed Description

In order to deepen the understanding of the present invention, the following embodiments are combined to further detail the present invention, and the present embodiment is only used to explain the present invention, and does not constitute the limitation of the protection scope of the present invention.

According to the drawings of fig. 1, 2, 3 and 4, the embodiment provides a production device for improving the yield of active lime, which comprises a heating furnace base 1 and a rotary furnace 2 arranged at the upper end of the heating furnace base 1; a feeding seat 4 is arranged at one end of the rotary furnace 2, a first box body 6 is arranged at the upper end of the feeding seat 4, the lower end of the first box body 6 is communicated with the rotary furnace 2 through a feeding assembly 5, a feeding bin 62 and a spiral feeding part are arranged at the upper end of the first box body 6, and the feeding bin 62 and the spiral feeding part extend into a second box body 10 arranged in the rotary furnace 2; during processing, materials are put into the second box body 10 through the material injection pipe 63 for preheating, then the materials are discharged from the lower end opening of the first box body 6 under the pushing of the spiral feeding part, and the discharged materials are guided into the rotary furnace 2 through the feeding assembly 5 for firing.

The rotary furnace 2 one end is equipped with the blowdown seat 3, is connected with exhaust pipe 7 on the blowdown seat 3, and exhaust pipe 7 one end is passed through the blowdown seat 3 and is linked together with rotary furnace 2, and the exhaust pipe 7 other end and the spiral pipe 11 intercommunication of establishing in pay-off seat 4, spiral pipe 11 encircle outside second box 10 and with establish the blast pipe 71 intercommunication in pay-off seat 4 upper end. The fired material is discharged through a material discharging hole in the discharging seat 3, high-temperature waste gas in the rotary furnace 2 enters the waste gas pipe 7 and is conveyed to the spiral pipe 11 through the waste gas pipe 7, and finally the waste gas is discharged from the exhaust pipe 71, and the discharged waste gas is cooled through heat exchange equipment, is filtered through filtering equipment and is discharged after the composite standard.

Because spiral pipe 11 encircles outside the second box 10 and is located between second box 10 and the first box 6, high-temperature gas can preheat the material of carrying in whole second box 10 and the second box 10 when passing through in spiral pipe 11, first box 6 is when guaranteeing that the heat can not run off fast in addition to can provide the protection to second box 10.

More specifically, the spiral feeding part comprises a main motor 9 arranged at the upper end of the first box body 6, the main motor 9 is arranged at one side of the feeding bin 62 and is fixedly connected with the upper end of the first box body 6, the output end of the feeding bin 62 penetrates through the first box body 6 and the second box body 10 and is connected with a feeding spiral blade shaft 91 arranged in the second box body 10, and the feeding spiral blade shaft 91 is matched with the inner cavity of the second box body 10. The main motor 9 drives the feeding spiral vane shaft 91 to rotate, when the feeding spiral vane shaft 91 rotates positively, the material can be conveyed downwards, when the feeding spiral vane shaft 91 rotates reversely, the material can be conveyed upwards, and when the feeding spiral vane shaft 91 is static, the material staying on the feeding spiral vane shaft 91 can be preheated in the second box body 10 for a long time. It should be noted that the blades of the feeding screw shaft 91 are fitted into the inner cavity of the second casing 10, but still have a small space from the inner wall of the second casing 10, so as to avoid friction with the second casing 10 when the blades rotate.

More specifically, the feeding bin 62 is arranged at the upper end of the first box 6 and is fixedly connected with the first box 6, a feeding pipe 63 is arranged at the lower port of the feeding bin 62, and the bottom end of the feeding pipe 63 penetrates through the first box 6 and the second box 10 and extends to the upper part of the blade of the feeding spiral blade shaft 91. The feeding spiral blade shaft 91 consists of a rotating shaft and a blade part surrounding the rotating shaft, the blade part is arranged below the material injection pipe 63, when materials are thrown into the second box body 10 from the feeding bin 62 and the material injection pipe 63, the materials can accurately fall onto the feeding spiral blade shaft 91, and the feeding spiral blade shaft 91 quantitatively conveys the materials through rotation.

More specifically, the feeding assembly 5 comprises a bin 51 arranged at the lower end of the first box 6 and communicated with the second box 10, a driving motor is arranged on one side of the bin 51, a charging barrel 53 is arranged on the other side of the bin 51, one end of the charging barrel 53, which is far away from the bin 51, extends into the rotary kiln 2, and a material guiding spiral blade shaft 52 connected with the output end of the driving motor is assembled in the charging barrel 53. The feeding assembly 5 is used for conveying the preheated materials into the rotary furnace 2 for calcination. When the material guide device works, the driving motor is started, materials falling from the second box body 10 enter the storage bin 51, the material guide spiral blade shaft 52 rotates, and the materials are conveyed from the storage bin 51 to the rotary furnace 2 to be injected.

In a preferred embodiment, a heat insulation sleeve 8 is sleeved on a rod body of the waste gas pipe 7 positioned outside the rotary furnace 2, and the heat insulation sleeve 8 is arranged on one side of the heating furnace base 1 and is fixedly connected with the heating furnace base 1 through a connecting piece; the thermal insulation sleeve 8 is wrapped on the outer side of the exhaust gas pipe 7 and used for avoiding heat loss, and the exhaust gas pipe 7 is supported by being fixed on one side of the heating furnace base 1.

Referring to fig. 3 and 4, in a preferred embodiment, a plurality of reinforcing plates 61 are disposed outside the first casing 6, and each reinforcing plate 61 is welded to an outer wall of the first casing 6 in a ring shape. Each reinforcing plate 61 is vertically welded to the outer wall of the first casing 6 for enhancing the structural strength of the outer wall of the first casing 6.

More specifically, the reinforcing plate 61 is provided with a plurality of positioning pins, each of which is engaged with a respective positioning hole opened in the outer wall of the second casing 10. The reinforcing plate 61 is provided with a plurality of positioning bolts, the positioning bolts penetrate through the positioning holes formed in the outer walls of the reinforcing plate 61 and the second box body 10 and are matched with the positioning holes, and the transverse support of the positioning bolts is utilized to reinforce the second box body 10, so that the overall structural strength of the first box body 6 and the second box body 10 is improved, and the first box body 6 and the second box body 10 have good stability when materials are input.

This improve apparatus for producing of active lime yield, compare in traditional active lime apparatus for producing, it sets up pay-off seat 4 and row material seat 3 at the both ends of rotary furnace 2, the preheating chamber is installed on 4 tops of pay-off seat, the preheating chamber comprises two boxes of first box 6 and second box 10, it has spiral pipe 11 to surround in the interval that leaves between two boxes, spiral pipe 11 communicates with the exhaust gas pipe 7 of connection on rotary furnace 2, the high temperature waste gas of transmission heats second box 10 in the exhaust gas pipe 7, spiral pay-off portion is to the material ration of dropping into in the second box 10 carrying, make the material obtain abundant preheating, practice thrift the heat loss, and improve the yield.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an improve apparatus for producing of active lime yield, includes heating furnace seat (1) and establishes rotary furnace (2) in heating furnace seat (1) upper end, its characterized in that:

a feeding seat (4) is arranged at one end of the rotary furnace (2), a first box body (6) is mounted at the upper end of the feeding seat (4), the lower end of the first box body (6) is communicated with the rotary furnace (2) through a feeding assembly (5), a feeding bin (62) and a spiral feeding part are arranged at the upper end of the first box body (6), and the feeding bin (62) and the spiral feeding part extend into a second box body (10) arranged in the rotary furnace (2);

rotary furnace (2) one end is equipped with blowdown seat (3), be connected with exhaust pipe (7) on blowdown seat (3), exhaust pipe (7) one end is through blowdown seat (3) and rotary furnace (2) intercommunication, exhaust pipe (7) other end and spiral pipe (11) intercommunication of establishing in pay-off seat (4), spiral pipe (11) encircle outside second box (10) and with establish blast pipe (71) intercommunication in pay-off seat (4) upper end.

2. The production device for improving the yield of the active lime according to claim 1, characterized in that: spiral pay-off portion is including establishing main motor (9) in first box (6) upper end, main motor (9) are arranged in and are thrown feed bin (62) one side and with first box (6) upper end fixed connection, throw feed bin (62) output and pass first box (6) and second box (10) and be connected with pay-off spiral vane axle (91) of establishing in second box (10), pay-off spiral vane axle (91) and the cooperation of second box (10) inner chamber.

3. The production device for improving the yield of the active lime according to claim 2, wherein: throw feed bin (62) and arrange first box (6) upper end in and with first box (6) fixed connection, throw feed bin (62) end opening down and be equipped with notes material pipe (63), notes material pipe (63) bottom is passed first box (6) and second box (10) and is extended to the top of pay-off helical blade axle (91) blade.

4. The production device for improving the yield of the active lime according to claim 1, wherein: pay-off subassembly (5) are including establishing feed bin (51) at first box (6) lower extreme and with second box (10) intercommunication, feed bin (51) one side is equipped with driving motor, feed bin (51) opposite side is equipped with feed cylinder (53), feed cylinder (53) are kept away from in feed bin (51) one end extends to rotary furnace (2), be equipped with guide spiral vane axle (52) that link to each other with the driving motor output in feed cylinder (53).

5. The production device for improving the yield of the active lime according to claim 1, wherein: the waste gas pipe (7) is arranged on the rod body outside the rotary furnace (2) and is sleeved with a heat insulation sleeve (8), and the heat insulation sleeve (8) is arranged on one side of the heating furnace base (1) and is fixedly connected with the heating furnace base (1) through a connecting piece.

6. The production device for improving the yield of the active lime according to claim 5, wherein: a plurality of reinforcing plates (61) are arranged on the outer side of the first box body (6), and the reinforcing plates (61) are welded on the outer wall of the first box body (6) in an annular mode.

7. The production device for improving the yield of the active lime according to claim 6, wherein: and a plurality of positioning bolts are assembled on the reinforcing plate (61), and are matched with positioning holes formed in the outer wall of the second box body (10).