一种列管式矿粉冷却及余热回收机

By using a tubular design and a turbulent cooling water system, the problems of uneven material distribution and low cooling efficiency are solved, achieving efficient cooling of mineral powder and waste heat recovery, extending equipment life and reducing maintenance costs.

CN224517510UActive Publication Date: 2026-07-17QINGDAO SONGLING POWER ENVIRONMENTAL EQUIP

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
QINGDAO SONGLING POWER ENVIRONMENTAL EQUIP
Filing Date
2025-07-28
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing drum-type cooling and waste heat recovery machines suffer from uneven material distribution and low cooling efficiency, resulting in poor cooling and waste heat recovery effects that cannot meet the requirements of high-efficiency production in modern industry.

Method used

It adopts a shell-and-tube design, including a central tube and peripheral tubes, with internal spiral blades and jacket cavities. Combined with a material chute and tube sheet structure, it ensures uniform material distribution and increases the heat exchange area. It also utilizes cooling water to create turbulence to improve cooling efficiency.

Benefits of technology

It achieves uniform cooling of materials and efficient heat recovery, improves equipment stability and service life, reduces maintenance costs, and meets the needs of industrial high-efficiency cooling and waste heat recovery.

✦ Generated by Eureka AI based on patent content.

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Abstract

本实用新型公开了一种列管式矿粉冷却及余热回收机,包括筒体,筒体通过转动机构转动安装在底座上,筒体内的前端设有前端螺旋,前端螺旋的后端设有中心筒;所述中心筒与筒体的筒壁同轴设置,中心筒的外侧排布设有多个周边筒,所述周边筒设置于中心筒外壁与筒体的筒壁之间;所述筒体内部设有流通冷却水的夹套空腔,所述中心筒和周边筒外壁于筒体的筒壁之间形成夹套空腔的后段,夹套空腔的前段为双层壁形成的环形空腔。夹套空腔用以与筒体内的高温粉料进行换热;中心筒和周边筒内部均设有螺旋叶片。本实用新型可以使物料能够在筒体内均匀分布,增加换热面积,冷却及热量回收效果好,冷却效率高。
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Claims

1. A shell-and-tube ore fines cooling and waste heat recovery machine, characterized in that: Includes a cylinder (2), which is rotatably mounted on a base (4) via a rotating mechanism (3). The front end of the cylinder (2) is provided with a front end spiral (5), and the rear end of the front end spiral (5) is provided with a central cylinder (6). The central cylinder (6) is coaxially arranged with the cylinder wall of the cylinder body (2), and a plurality of peripheral cylinders (7) are arranged on the outer side of the central cylinder (6). The peripheral cylinders (7) are located between the outer wall of the central cylinder (6) and the cylinder wall of the cylinder body (2). The cylinder (2) has a jacketed cavity (201) for circulating cooling water inside. The outer walls of the central cylinder (6) and the peripheral cylinder (7) form the rear section of the jacketed cavity (201) between the cylinder walls of the cylinder (2). The front section of the jacketed cavity (201) is an annular cavity formed by double walls. Both the central cylinder (6) and the peripheral cylinder (7) are equipped with helical blades.

2. A shell-and-tube mineral powder cooling and waste heat recovery machine according to claim 1, characterized in that: The front end of the central cylinder (6) and the rear end of the peripheral cylinder (7) are respectively provided with a front end baffle (10) and a rear end baffle (11), and the front end baffle (10) and the rear end baffle (11) are respectively provided with clearance holes.

3. A shell and tube mineral powder cooling and waste heat recovery machine as claimed in claim 1, characterized in that: A material-collecting device (13) is provided on the front side of the front end baffle (10), and the material-collecting device (13) includes a plurality of diverting blades evenly arranged along its circumference.

4. A shell and tube mineral powder cooling and waste heat recovery machine as claimed in claim 1, characterized in that: Multiple tube sheets (8) are fitted on the outside of the central cylinder (6), and the tube sheets (8) are arranged at equal intervals in the axial direction. The peripheral cylinder (7) passes through the tube sheets (8).

5. A shell and tube mineral powder cooling and waste heat recovery machine as claimed in claim 1, characterized in that: The outer wall of the peripheral cylinder (7) is provided with multiple reinforcing ribs (9) along the axial direction.

6. A shell and tube mineral powder cooling and waste heat recovery machine as claimed in claim 1, wherein: The front end of the central cylinder (6) is provided with an annular front annular water tank (14), which is connected to the front end of the jacket cavity (201). The rear end of the central cylinder (6) is provided with a cylinder mouth assembly (16). Multiple water supply pipes (12) are provided along the axial direction on the outer side of the cylinder wall of the cylinder body (2). The front end of the water supply pipe (12) is connected to the front annular water tank (14), and the rear end of the water supply pipe (12) is connected to the cylinder mouth assembly (16).

7. A shell and tube ore slurry cooling and waste heat recovery machine as claimed in claim 6 wherein: The nozzle assembly (16) is located inside the outlet assembly (15). The nozzle assembly (16) includes an inner flow channel (163) and an outer flow channel (164) fitted outside the inner flow channel (163). The inner flow channel (163) is connected to the outlet pipe (161), and the outer flow channel (164) is connected to the return pipe (162). The outlet pipe (161) is connected to the rear end of the jacket cavity (201), and the return pipe (162) is connected to the rear end of the water supply pipe (12).

8. A shell and tube mineral powder cooling and waste heat recovery machine as claimed in claim 1, wherein: The rotating mechanism (3) includes a large sprocket (301) fixedly installed on the outside of the cylinder (2). The large sprocket (301) and the drive sprocket (302) are driven by a chain. The drive sprocket (302) is driven by a motor (303). A support rail (304) is also fitted on the outside of the cylinder (2). A roller (305) is rotatably installed on the base (4). The roller (305) is driven by the support rail (304).

9. A shell and tube mineral powder cooling and waste heat recovery machine as claimed in claim 1, wherein: The front end of the barrel (2) is provided with a feeding device (1), the feeding device (1) comprises a sealing ring cover (102) rotating with the barrel (2), a sealing ring (103) is arranged between the feeding device (1) and the barrel (2), the feeding device (1) comprises a feeding pipe (101), and the lower end of the feeding pipe (101) extends into the inside of the barrel (2).