CN211394311U

CN211394311U - Cement cooler

Info

Publication number: CN211394311U
Application number: CN202020049799.4U
Authority: CN
Inventors: 许文冠
Original assignee: Jiujiang Yidong Machinery Co ltd
Current assignee: Jiujiang Yidong Machinery Co ltd
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-09-01
Anticipated expiration: 2030-01-10

Abstract

The utility model discloses a cement cooler belongs to cement manufacture equipment. The device comprises a support, a cylinder, a driver, a conveying mechanism and a cooling mechanism. The barrel and the driver are both arranged on the bracket, and the barrel is provided with a feed inlet and a discharge outlet. The conveying mechanism comprises a vertical shaft and a spiral plate, the vertical shaft is connected with the driver, and the spiral plate is close to the inner side wall of the cylinder. The cooling mechanism comprises a water inlet tank and a water collecting tank which are arranged on the outer side wall of the cylinder body. In the rotation process of the spiral plate, cement moves upwards along the inner side wall of the cylinder, and cooling water forms a water curtain on the outer side wall of the cylinder and flows downwards. The cement and cooling water exchange heat rapidly, and the cooling efficiency is high.

Description

Cement cooler

Technical Field

The utility model relates to a cement manufacture line equipment especially relates to the cement cooler.

Background

The cement belongs to powdery materials and cannot be directly cooled in air. The existing cement cooling technology is to exchange heat between cold water and hot cement conveying or storing equipment through a circulating pipeline. The cement cooling device of CN206828397U comprises a spiral pipe and a plurality of layers of spraying ring pipes, wherein the spiral pipe is arranged in the spraying ring pipes in a penetrating way. The cement powder flows in the spiral pipe, and the spiral pipe in the ring is sprayed with cold water for cooling by the multilayer spraying ring pipes, so that the cooling mode has high water consumption. CN204569739U discloses a cement cooler, including cooling tank body, many overhead columns, discharge gate, feed inlet, circulation cooling water pipe, cooling basin, circulation suction pump, a pair of air-blower, a pair of mouth of blowing, spacing circle, agitating unit and multi-disc semiconductor refrigeration piece. This scheme adopts the external mode of water pipe, and efficiency is lower, can't match large-scale ball mill.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cement cooler, cooling efficiency is high, can satisfy large-scale ball mill's needs.

The technical scheme of the utility model is realized like this:

a cement cooler is characterized by comprising a support, a barrel, a driver, a conveying mechanism and at least one group of cooling mechanism, wherein the barrel and the driver are both arranged on the support, the barrel is provided with a feed inlet, a discharge outlet, an upper deslagging port and a lower deslagging port, an output shaft of the driver extends into the barrel from the lower part of the barrel, the conveying mechanism comprises a vertical shaft, an inner container and a spiral plate, two ends of the vertical shaft are rotatably arranged on the barrel, the lower end of the vertical shaft is connected with the output shaft through a coupler, the inner container is connected with the vertical shaft through a plurality of rib plates, the inner container and the barrel form a cement channel, the spiral plate is arranged on the outer side of the inner container, the spiral plate is positioned in the cement channel, the cooling mechanism comprises a water inlet groove and a water collecting groove, the water inlet groove and the outer side of the barrel form an overflow channel, and a guide plate extending towards the barrel, the guide plate and the cylinder body are provided with a water curtain gap, and the water collecting tank is arranged on the outer side wall of the cylinder body and is positioned below the water inlet tank.

In the cement cooler of the present invention, the water collection tank is located between the inner container and the bracket, and the water collection tank and the cylinder form a heat insulation gap.

In the cement cooler of the present invention, the water collection tank has a collection plate that is folded outward.

In the cement cooler of the present invention, the water collecting groove or the water inlet groove is riveted to the flange plate of the cylinder.

In the cement cooler of the present invention, the water inlet tank is welded below the other water collecting tank.

In the cement cooler of the present invention, the water collection tank is welded to the outer side wall of the cylinder.

In the cement cooler of the present invention, a reinforcing plate is provided between the vertical shaft and the rib plate.

In the cement cooler of the utility model, the spiral plate is installed on the inner container through a plurality of connecting plates.

In the cement cooler of the present invention, the driver includes a motor and a speed reducer.

In the cement cooler of the present invention, a thrust bearing is provided between the vertical shaft and the cylinder.

Implement the utility model discloses a cement cooler has following beneficial effect: the cement moves upwards through the gap between the cylinder and the liner, and the cooling water forms a water curtain on the outer side wall of the cylinder to flow downwards. The cement and cooling water exchange heat rapidly, and the cooling efficiency is high. A plurality of groups of cooling mechanisms can be arranged as required to meet the requirements of a large-scale ball mill. The water inlet tank and the water collecting tank are installed by utilizing the cylinder structure, so that parts are more compact.

Drawings

FIG. 1 is a schematic view of such a cement cooler of the present invention;

FIG. 2 is a partial view of FIG. 1;

fig. 3 is another partial view of fig. 1.

Description of the drawings: the device comprises a support 10, a stair component 11, a non-cement circulation area 12, a cylinder body 20, a side wall 21, an upper end face 22, a lower end face 23, a feed inlet 24, a discharge outlet 25, an upper slag discharge outlet 26, a lower slag discharge outlet 27, a flange structure 28, a flange structure 29, a driver 30, a motor 31, a speed reducer 32, an output shaft 33, a coupling 34, a conveying mechanism 40, a vertical shaft 41, an inner container 42, a spiral plate 43, a thrust bearing 44, a rib plate 45, a reinforcing plate 46, a cement channel 47, a connecting plate 48, a cooling mechanism 50, a water inlet groove 51, a water collecting groove 52, an overflow channel 53, a guide plate 54, a water curtain gap 55, a heat insulation gap 56, a collecting plate 57, a.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

The cement cooler of the present invention as shown in fig. 1 to 3 is mainly composed of a bracket 10, a cylinder 20, a driver 30, a conveying mechanism 40 and two sets of cooling mechanisms 50. The support 10 is of a ring structure, the cylinder 20 is mounted above the support 10, and the drivers 30 are mounted in the middle of the support 10. The support 10 may be provided with stair elements 11. The driver 30 includes a motor 31 and a decelerator 32, and an output shaft 33 of the driver 30 extends from below the cylinder 20 to below the cylinder 20. The cylinder 20 has a side wall 21, an upper end surface 22, a lower end surface 23, a feed port 24, and a discharge port 25. An upper slag discharge 26 is located on the side wall 21 and a lower slag discharge 27 is located on the lower end surface 23. The cement material enters from a lower inlet 24 and is discharged from an upper outlet 25. The upper end surface 22 and the lower end surface 23 may be provided with

flange structures

28, 29 for mounting accessory components. The conveying mechanism 40 conveys cement upwards, the cooling mechanism 50 conveys cooling liquid (such as water) downwards, and heat exchange between the cement and the cooling liquid is completed on two sides of the barrel 20, so that the purpose of cooling the cement is achieved.

The conveying mechanism 40 comprises a vertical shaft 41, an inner container 42 and a spiral plate 43. Both ends of the vertical shaft 41 are rotatably mounted on the cylinder 20, and a thrust bearing 44 may be mounted between the vertical shaft 41 and the cylinder 20. The lower end of the vertical shaft 41 is connected to the output shaft 33 via a coupling 34. The inner container 42 is connected with the vertical shaft 41 through a plurality of ribs 45, and the vertical shaft 41 can drive the inner container 42 to rotate. A reinforcing plate 46 is arranged between the vertical shaft 41 and the rib plate to avoid bending of the vertical shaft 41. The inner container 42 and the cylinder body 20 form a cement channel 47, the spiral plate 43 is arranged outside the inner container 42, and the spiral plate 43 can be arranged on the inner container 42 through a plurality of connecting plates 48 so as to improve the integral strength and the installation performance. In which cement channel a screw plate 43 is located, the cement being transported under the guidance of the screw plate 43.

In the prior art, the yield of the ball mill is higher and higher, the cooling mechanisms 50 can be arranged into a plurality of groups, and a single cement cooler can meet the requirements of a large-scale ball mill. The two sets of cooling mechanisms 50 of the present embodiment are arranged longitudinally and include a water inlet tank 51 and a water collection tank 52. The water inlet tank 51 and the water collecting tank 52 can be made of two semi-circular rings which are connected into a ring structure through screw holes 59. The water inlet 51 and the outer side of the barrel 20 form an overflow channel 53, the bottom of the overflow channel 53 has a guide plate 54 extending toward the barrel 20, and the guide plate 54 and the barrel 20 have a water curtain gap 55. The cooling water is stored in the water inlet tank 51, flows into the overflow passage 53 through the through hole 58 in the inner wall of the water inlet tank 51, flows out through the water curtain gap 55 under the guide of the guide plate 54, and flows down along the inner wall 21 of the cylinder 20. The guide plate 54 is made of a flexible material such as rubber. The water inlet tank 51 of the upper cooling mechanism 50 is mounted on the flange plate 28 of the upper end surface 22 of the cylinder 20, and the corresponding water collecting tank 52 is welded to a substantially central portion of the cylinder 20. The water inlet channel 51 of the lower cooling mechanism 50 is welded to the bottom surface of the upper water collecting channel 52, and the corresponding water collecting channel 52 is riveted to the flange plate 29 on the bottom surface of the cylinder 20. The water inlet tank 51 and the water collecting tank 52 are structurally installed by the barrel 20, so that the parts are more compact. And this water catch bowl 52 locates between liner 42 and support 10, this water catch bowl 52 forms an insulating gap 56 with the barrel 20, this insulating gap 56 can avoid the cooling water to contact with non-cement flow area 12, raise the cooling efficiency. And the lower sump 52 has outwardly turned collecting plates 57 for collecting scattered water droplets. In the present invention, under the guidance of the spiral plate 43, the cement moves upward through the gap between the cylinder 20 and the liner 42, and is attached to the inner side wall 21 of the cylinder 20 by the centrifugal force. The cooling water flows downward in the form of a water curtain on the outer side wall 21 of the cylinder 20 guided by the flexible guide plate 54. The contact area of the cement and the cooling water is large, and the purpose of rapid heat exchange is achieved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cement cooler is characterized by comprising a support, a barrel, a driver, a conveying mechanism and at least one group of cooling mechanism, wherein the barrel and the driver are both arranged on the support, the barrel is provided with a feed inlet, a discharge outlet, an upper deslagging port and a lower deslagging port, an output shaft of the driver extends into the barrel from the lower part of the barrel, the conveying mechanism comprises a vertical shaft, an inner container and a spiral plate, two ends of the vertical shaft are rotatably arranged on the barrel, the lower end of the vertical shaft is connected with the output shaft through a coupler, the inner container is connected with the vertical shaft through a plurality of rib plates, the inner container and the barrel form a cement channel, the spiral plate is arranged on the outer side of the inner container, the spiral plate is positioned in the cement channel, the cooling mechanism comprises a water inlet groove and a water collecting groove, the water inlet groove and the outer side of the barrel form an overflow channel, and a guide plate extending towards the barrel, the guide plate and the cylinder body are provided with a water curtain gap, and the water collecting tank is arranged on the outer side wall of the cylinder body and is positioned below the water inlet tank.

2. The cement cooler according to claim 1, wherein the at least one water collection trough is located between the liner and the support, the water collection trough forming an insulating gap with the barrel.

3. The cement cooler according to claim 2, wherein the water collection trough has collection plates that are folded outwardly.

4. The cement cooler according to claim 1, wherein the water collection trough or water inlet trough is riveted to the flange plate of the barrel.

5. The cement cooler of claim 1, wherein the water inlet channel is welded below another water collection channel.

6. The cement cooler according to claim 5, wherein the water collection trough is welded to an outer sidewall of the barrel.

7. The cement cooler according to claim 1, wherein a reinforcing plate is provided between the vertical shaft and the rib plate.

8. The cement cooler according to claim 7, wherein the spiral plate is mounted on the inner container via a plurality of connection plates.

9. The cement cooler of claim 1, wherein the drive comprises a motor and a speed reducer.

10. The cement cooler of claim 1, wherein a thrust bearing is provided between the vertical shaft and the barrel.