CN216668300U

CN216668300U - Quick lime calcining kiln

Info

Publication number: CN216668300U
Application number: CN202122589693.0U
Authority: CN
Inventors: 陆已宵
Original assignee: Shanghai Tianhong Molecular Sieve Co ltd
Current assignee: Shanghai Tianhong Molecular Sieve Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-06-03
Anticipated expiration: 2031-10-26

Abstract

The utility model discloses a calcined lime calcining kiln, which relates to the technical field of calcining kilns and comprises a kiln barrel, a kiln head cover and a kiln tail cover, wherein the kiln head cover is rotatably connected to the left end outside the kiln barrel, the kiln tail cover is rotatably connected to the right end outside the kiln barrel, a slow flow screen plate is welded at the left end inside the kiln barrel, a preheating screen plate is welded at the right end inside the kiln barrel, the kiln head cover and the kiln tail cover are both communicated with the inside of the kiln barrel, a grinding roller is rotatably connected between the preheating screen plate and the right side surface inside the kiln tail cover, a feed hopper is welded at the top of the kiln tail cover, a burner is inserted into the left side of the kiln head cover in a splicing manner, and the right end of the burner penetrates into the kiln head cover and extends into the left end inside the kiln barrel. Through set up the grinding roller in the kiln section of thick bamboo, after the raw materials got into the inside right-hand member of kiln section of thick bamboo, pivoted grinding roller and the cooperation of kiln section of thick bamboo inner wall, alright grind the raw materials and refine to carrying out the breakage with some oversize raw materials, avoiding the oversize raw materials to enter into the kiln section of thick bamboo and calcine, improve and calcine the quality.

Description

Quick lime calcining kiln

Technical Field

The utility model relates to the technical field of calcining kilns, in particular to a quick lime calcining kiln.

Background

The quicklime is obtained by calcining calcium carbonate at high temperature, and the main component of the quicklime is calcium oxide, and the quicklime is usually prepared by calcining natural rock of which the main component is calcium carbonate at high temperature to decompose carbon dioxide and calcium oxide. The calcined lime kiln is a necessary device for producing calcined lime, wherein the rotary kiln is a more common calcined kiln.

When the calcining kiln in the prior art calcines raw materials, the raw materials are uneven in particle size, so that some raw materials with large volume enter a kiln cylinder to be calcined, the raw materials are insufficiently calcined, and the processing quality of quick lime is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a quicklime calcining kiln to solve the problem that the quality of quicklime is influenced due to insufficient calcination of raw materials caused by calcining of large-volume raw materials in a kiln barrel in the background technology.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a quick lime calcining kiln comprises a kiln cylinder, a kiln head cover and a kiln tail cover, wherein the kiln head cover is rotatably connected to the left end outside the kiln cylinder, and the kiln tail cover is rotatably connected to the right end outside the kiln cylinder;

a slow flow screen plate is welded at the left end inside the kiln cylinder, and a preheating screen plate is welded at the right end inside the kiln cylinder;

kiln hood cover and kiln hood all communicate with each other with the inside of kiln section of thick bamboo, it is connected with the grinding roller to preheat to rotate between otter board and the inside right flank of kiln hood, the top welding of kiln hood has the feeder hopper, the left side of kiln hood cover is pegged graft and is had the combustor.

Furthermore, the right end of the burner penetrates through the kiln hood cover and extends into the left end of the interior of the kiln barrel, and the burner is positioned on the left side of the slow flow screen plate.

Furthermore, a plurality of heat conducting rods are uniformly welded between the slow flow screen plate and the preheating screen plate, and the slow flow screen plate, the preheating screen plate and the heat conducting rods are all made of hard alloy materials.

Furthermore, a material guide pipe is inserted into the bottom of the feed hopper, the bottom of the material guide pipe penetrates through the kiln tail cover and extends into the right end inside the kiln cylinder, and the bottom of the material guide pipe is positioned above the right side of the grinding roller.

Furthermore, a first motor is installed on the right side surface outside the kiln tail cover, and a power output shaft of the first motor penetrates into the kiln tail cover and is connected with the right end of the grinding roller.

Furthermore, driven gears are mounted at the left end and the right end of the outer portion of the kiln barrel, and the driven gears at the left end and the right end are located between the kiln head cover and the kiln tail cover.

Furthermore, second motors are arranged at the bottoms of the kiln head cover and the kiln tail cover, driving gears are arranged on power output shafts of the two second motors, and the two driving gears are respectively located below the two driven gears and meshed with the driven gears.

Furthermore, a discharge hole is formed in the bottom of the kiln head cover, and a second motor on the kiln head cover is located on the right side of the discharge hole.

Compared with the prior art, the utility model has the following beneficial effects:

the grinding roller is arranged in the kiln cylinder, and after the raw materials enter the right end inside the kiln cylinder, the rotating grinding roller is matched with the inner wall of the kiln cylinder, so that the raw materials can be ground and refined, and therefore, some raw materials with overlarge volume are crushed, the raw materials with overlarge volume are prevented from entering the kiln cylinder to be calcined, and the calcining quality is improved;

through set up unhurried current otter board and waste heat otter board in the kiln section of thick bamboo, unhurried current otter board can be heated under the injection of combustor, heat transfer otter board after the heating can be through heat conduction pole with heat transfer to preheating the otter board, then when the raw materials through grinding and when moving towards kiln tail cover department, the raw materials then need pass preheating the otter board, preheating the otter board after with this heating can preheat the raw materials, improve the calcination effect, and when the raw materials pass after preheating the otter board and when continuing to move, the raw materials then need pass unhurried current otter board, thereby unhurried current otter board utilizes the removal that network structure can slow down the raw materials, with this time that increases the raw materials and stop in the kiln section of thick bamboo, further improve the calcination effect.

Drawings

Fig. 1 is a schematic view of the overall internal structure of the present invention.

FIG. 2 is a schematic side view of a pre-heated screen according to the present invention.

FIG. 3 is an overall external view of the present invention

In FIGS. 1-3: 1-kiln cylinder, 101-discharge port, 2-kiln head cover, 3-kiln tail cover, 4-driven gear, 5-slow flow net plate, 6-preheating net plate, 7-heat conducting rod, 8-grinding roller, 9-first motor, 10-feed hopper, 11-guide pipe, 12-second motor, 1201-driving gear and 13-burner.

Detailed Description

Please refer to fig. 1 to 3:

the utility model provides a quick lime calcining kiln, which comprises a kiln barrel 1, a kiln hood cover 2 and a kiln tail cover 3, wherein the kiln hood cover 2 is rotatably connected to the left end outside the kiln barrel 1, the kiln tail cover 3 is rotatably connected to the right end outside the kiln barrel 1, a slow flow screen plate 5 is welded at the left end inside the kiln barrel 1, a preheating screen plate 6 is welded at the right end inside the kiln barrel 1, the kiln hood cover 2 and the kiln tail cover 3 are both communicated with the inside of the kiln barrel 1, a grinding roller 8 is rotatably connected between the preheating screen plate 6 and the right side surface inside the kiln tail cover 3, a feed hopper 10 is welded at the top of the kiln tail cover 3, and a combustor 13 is inserted into the left side of the kiln hood cover 2;

specifically, the left end and the right end of the exterior of the kiln barrel 1 are both provided with driven gears 4, the driven gears 4 at the left end and the right end are positioned between a kiln head cover 2 and a kiln tail cover 3, the bottoms of the kiln head cover 2 and the kiln tail cover 3 are both provided with second motors 12, power output shafts of the two second motors 12 are both provided with driving gears 1201, and the two driving gears 1201 are respectively positioned below the two driven gears 4 and meshed with the driven gears 4;

in the utility model, the kiln cylinder 1 is obliquely arranged from left to right and upwards, the kiln tail cover 3 is higher than the kiln head cover 2, and the two second motors 12 can synchronously drive the kiln cylinder 1 to rotate between the kiln tail cover 3 and the kiln head cover 2 through the meshing of the driving gear 1201 and the driven gear 4;

according to the above, the bottom of the kiln head cover 2 is provided with the discharge port 101, the second motor 12 on the kiln head cover 2 is positioned on the right side of the discharge port 101, the right end of the burner 13 penetrates through the kiln head cover 2 and extends into the left end inside the kiln barrel 1, the burner 13 is positioned on the left side of the slow flow screen plate 5, a plurality of heat conducting rods 7 are uniformly welded between the slow flow screen plate 5 and the preheating screen plate 6, the slow flow screen plate 5, the preheating screen plate 6 and the heat conducting rods 7 are made of hard alloy materials, the bottom of the feed hopper 10 is inserted with the material guide pipe 11, the bottom of the material guide pipe 11 penetrates through the kiln tail cover 3 and extends into the right end inside the kiln barrel 1, the bottom of the material guide pipe 11 is positioned above the right side of the grinding roller 8, the right side surface outside the kiln tail cover 3 is provided with the first motor 9, and the power output shaft of the first motor 9 penetrates through the kiln tail cover 3 and is connected with the right end of the grinding roller 8;

specifically, the burner 13 can spray flame towards the left end inside the kiln barrel 1 and the slow flow screen plate 5, so that the slow flow screen plate 5 can be heated, after the slow flow screen plate 5 is heated, heat can be transferred to the preheating screen plate 6 through the heat conducting rod 7, the preheating screen plate 6 is heated, the slow flow screen plate 5, the preheating screen plate 6 and the heat conducting rod 7 are made of hard alloy materials, and the slow flow screen plate 5, the preheating screen plate 6 and the heat conducting rod 7 can work at high temperature;

the first motor 9 can drive the grinding roller 8 to rotate, so that after raw materials in the feeding hopper 10 enter the kiln cylinder 1 through the material guide pipe 11, the kiln cylinder 1 is obliquely arranged from left to right and upwards, the raw materials can move towards left, the rotating grinding roller 8 is matched with the inner wall of the kiln cylinder 1, the moving raw materials can be ground, and therefore the raw materials with large volume are crushed, the raw materials with overlarge volume are prevented from entering the kiln cylinder 1 to be calcined, and the calcining quality is improved;

after the raw materials are ground, the raw materials moving towards the left temporarily stay at the right side of the preheating screen 6 and sequentially pass through the preheating screen 6, so that the heated preheating screen 6 can preheat the raw materials, and the calcining effect is improved;

after preheating the raw materials, then can continue to move left, when the raw materials remove to the position of slow flow otter board 5, the raw materials can temporarily stop in the right side of slow flow otter board 5 again, and pass slow flow otter board 5 in proper order, and when the raw materials pass through slow flow otter board 5, because combustor 13 sprays flame on kiln barrel 1's left end and slow flow otter board 5, so spun flame can calcine the raw materials, simultaneously because slow flow otter board 5 plays the effect that slows down raw materials moving speed, with this time that makes the raw materials stop in kiln barrel 1 inside left end lengthens, thereby the calcination time of raw materials has been improved, guarantee that the raw materials can more abundant calcination, further improve calcination quality.

Claims

1. The utility model provides a quick lime calcining kiln, includes kiln barrel (1), kiln hood cover (2) and kiln hood (3), kiln hood cover (2) rotate to be connected at the outside left end of kiln barrel (1), kiln hood (3) rotate to be connected at the outside right-hand member of kiln barrel (1), its characterized in that:

a slow flow screen plate (5) is welded at the left end inside the kiln cylinder (1), and a preheating screen plate (6) is welded at the right end inside the kiln cylinder (1);

kiln hood cover (2) and kiln hood (3) all communicate with each other with the inside of a kiln section of thick bamboo (1), it is connected with grinding roller (8) to preheat to rotate between otter board (6) and the inside right flank of kiln hood (3), the top welding of kiln hood (3) has feeder hopper (10), the left side of kiln hood cover (2) is pegged graft and is had combustor (13).

2. A quicklime calciner according to claim 1, characterised in that: the right end of the burner (13) penetrates through the kiln head cover (2) and extends into the left end inside the kiln barrel (1), and the burner (13) is positioned on the left side of the slow flow screen plate (5).

3. A quicklime calciner according to claim 1, characterised in that: a plurality of heat conducting rods (7) are uniformly welded between the slow flow screen plate (5) and the preheating screen plate (6), and the slow flow screen plate (5), the preheating screen plate (6) and the heat conducting rods (7) are all made of hard alloy materials.

4. A quicklime calciner according to claim 1, characterised in that: the bottom of the feed hopper (10) is spliced with a material guide pipe (11), the bottom of the material guide pipe (11) penetrates through the kiln tail cover (3) and extends into the right end inside the kiln barrel (1), and the bottom of the material guide pipe (11) is positioned above the right side of the grinding roller (8).

5. A quicklime calciner according to claim 1, characterised in that: the kiln tail cover is characterized in that a first motor (9) is installed on the right side face of the outer portion of the kiln tail cover (3), and a power output shaft of the first motor (9) penetrates into the kiln tail cover (3) and is connected with the right end of the grinding roller (8).

6. A quicklime calciner according to claim 1, characterised in that: driven gears (4) are installed at the left end and the right end of the exterior of the kiln barrel (1), and the driven gears (4) at the left end and the right end are located between the kiln head cover (2) and the kiln tail cover (3).

7. A quicklime calciner according to claim 6, characterised in that: the kiln head hood (2) and the kiln tail hood (3) are respectively provided with a second motor (12) at the bottom, driving gears (1201) are respectively arranged on power output shafts of the two second motors (12), and the two driving gears (1201) are respectively arranged below the two driven gears (4) and meshed with the driven gears (4).

8. A quicklime calciner according to claim 7, characterised in that: a discharge port (101) is formed in the bottom of the kiln head cover (2), and a second motor (12) on the kiln head cover (2) is located on the right side of the discharge port (101).