Damping device for slag inlet pipe of slag cooler

By installing a damping device consisting of a metal sleeve and a damping spring at the bottom of the slag inlet pipe, the fatigue damage caused by the vibration of the slag inlet pipe was solved, thus achieving stable operation and extended service life of the equipment.

CN223807200UActive Publication Date: 2026-01-16YAOJIE ELECTRIC COAL +1
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Patent Information

Application Number
CN202422332264.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-24
Publication Date
2026-01-16
Estimated Expiration
2034-09-24

AI Technical Summary

Technical Problem

The slag inlet pipe after boiler smelting generates strong vibrations during the transmission of high-temperature slag, leading to fatigue damage to the pipe, shortening its service life, and reducing the working efficiency and stability of the slag cooler.

Method used

The shock absorption device, consisting of a metal sleeve, guide column, and damping spring, is installed at the bottom of the slag inlet pipe and connected to the frame base. Through the combination of guide column and damping spring, it absorbs the impact energy of the slag inlet pipe and reduces vibration and noise.

Benefits of technology

It significantly reduces wear on the slag inlet pipe and its surrounding components, extends equipment lifespan, reduces maintenance costs, and improves equipment stability and working environment quality.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a damping device for a slag inlet pipe of a slag cooler, and belongs to the technical field of boiler smelting equipment. The device comprises a boiler and a slag cooler, the boiler is connected with the slag cooler through a slag inlet pipe, the slag cooler is installed on a rack base, one end of the slag inlet pipe is fixedly connected with a slag outlet of the boiler, the other end of the slag inlet pipe is movably connected with a slag inlet of the slag cooler, a damping device is arranged at the bottom of the slag inlet pipe, and one end of the damping device is connected with the bottom of the slag inlet pipe. The other end of the damping device is connected with the rack base. The slag inlet pipe is simple in structure and convenient to install, the shock absorption device can effectively absorb impact energy generated in the working process of the slag inlet pipe, the slag inlet pipe can better adapt to slag inlet amount and pressure changes under different working conditions, the slag inlet pipe can still keep stable under complex operation conditions, therefore, the amplitude and strength of vibration are remarkably reduced, and the service life of the slag inlet pipe is prolonged. And noise generated by vibration is effectively reduced, and the working environment is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a boiler smelting technical field, especially a kind of cold slag machine inlet slag pipe damping device. BACKGROUND

[0002] High-temperature furnace slag after boiler smelting is usually entered into cold slag machine for cooling through inlet slag pipe, but strong vibration will be generated in the process of transmission of high-temperature furnace slag, and vibration will cause fatigue damage of pipeline, shorten the service life of inlet slag pipe, thereby reduce the working efficiency and stability of cold slag machine. SUMMARY

[0003] In view of the above technical problems, the utility model provides a kind of cold slag machine inlet slag pipe damping device, to solve the problem that inlet slag pipe will generate strong vibration in the process of transmission of high-temperature furnace slag, affect the service life of inlet slag pipe.

[0004] In order to realize the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0005] A kind of cold slag machine inlet slag pipe damping device, including boiler and cold slag machine, boiler is connected with cold slag machine by inlet slag pipe, cold slag machine is installed on rack base, inlet slag pipe one end is fixedly connected with boiler slag outlet, inlet slag pipe other end is movably connected with the inlet slag port of cold slag machine, inlet slag pipe bottom is equipped with damping device, damping device one end is connected with inlet slag pipe bottom, damping device other end is connected with rack base, the damping device is composed of metal sleeve, guide column and shock absorber spring, guide column is installed on rack base, shock absorber spring is sleeved on guide column, metal sleeve is sleeved on shock absorber spring, and metal sleeve upper end is connected with inlet slag pipe bottom.

[0006] Further, expansion joint is installed on inlet slag pipe,

[0007] Further, inlet slag pipe and cold slag machine inlet slag port are connected by inlet slag suction pressure disc.

[0008] Compared with prior art, the utility model has the advantages that: the utility model is simple in structure, easy to install, under the premise of retaining the original body structure and production process of cold slag machine, significantly reduce the wear and tear of inlet slag port and its peripheral components, prolong the service life of equipment, reduce maintenance cost and downtime. Shock absorber can effectively absorb the impact energy generated by inlet slag pipe in the working process, better adapt to the change of inlet slag quantity and pressure under different working conditions, so that inlet slag pipe can still maintain stable under complex operating conditions, thereby significantly reduce the amplitude and intensity of vibration, and effectively reduce the noise generated by vibration, improve the working environment. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is the structure schematic view of the utility model;

[0010] Fig.:

[0011] 1, boiler; 2, slag pipe; 3, expansion joint; 4, guide column; 5, metal sleeve; 6, shock absorbing spring; 7, rack base; 10, slag cooler; 11, slag suction pressure plate. DETAILED DESCRIPTION

[0012] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further explained in detail below in combination with specific implementation manners and with reference to the drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0013] A kind of slag cooler slag pipe damping device, including boiler 1 and slag cooler 10, boiler 1 is connected with slag cooler 10 by slag pipe 2, slag cooler 10 is installed on rack base 7, one end of slag pipe 2 is fixedly connected with the slag outlet of boiler 1, the other end of slag pipe 2 is movably connected with the slag inlet of slag cooler 10, the bottom of slag pipe 2 is equipped with damping device, one end of damping device is connected with the bottom of slag pipe 2, the other end of damping device is connected with rack base 7.Slag pipe 2 can appropriately shake in the end located in slag inlet during conveying high-temperature slag, avoid the fracture caused by direct connection of slag pipe 2, the damping device located in the bottom of slag pipe 2 can buffer the shaking of slag pipe 2, effectively reduce the vibration of slag pipe 2 in the process of operation, improve the service life of slag pipe 2.

[0014] The damping device is composed of metal sleeve 5, guide column 4 and shock absorbing spring 6, guide column 4 is installed on rack base 7, shock absorbing spring 6 is sleeved on guide column 4, metal sleeve 5 is sleeved on shock absorbing spring 6, and the upper end of metal sleeve 5 is connected with the bottom of slag pipe 2.

[0015] Expansion joint 3 is installed on slag pipe 2 to avoid axial deformation generated in the vibration process of slag pipe 2.

[0016] Slag pipe 2 and the slag inlet of slag cooler 10 are connected by slag suction pressure plate 11, which can buffer the vibration of slag pipe 2 and also reduce the vibration degree to a certain extent, so as to avoid damaging the slag inlet of slag cooler 10.

[0017] When in use:

[0018] After smelting by boiler 1, the slag enters into slag cooler 10 through slag pipe 2, and the damping device located in the bottom of slag pipe 2 can buffer the shaking of slag pipe 2, effectively reduce the vibration of slag pipe 2 in the process of operation, and improve the service life of slag pipe 2.

[0019] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A shock absorbing device for a slag-tube of a slag-tap hole, comprising a boiler (1) and a slag-tap hole (10), the boiler (1) being connected to the slag-tap hole (10) by a slag-tube (2), the slag-tap hole (10) being installed on a machine base (7), characterized in that: The one end of the slag inlet pipe (2) is fixedly connected with the slag outlet of the boiler (1), the other end of the slag inlet pipe (2) is movably connected with the slag inlet of the slag cooler (10), the bottom of the slag inlet pipe (2) is provided with a damping device, one end of the damping device is connected with the bottom of the slag inlet pipe (2), the other end of the damping device is connected with the machine base (7), the damping device is composed of a metal sleeve (5), a guide column (4) and a damping spring (6), the guide column (4) is installed on the machine base (7), the damping spring (6) is sleeved on the guide column (4), the metal sleeve (5) is sleeved on the damping spring (6), and the upper end of the metal sleeve (5) is connected with the bottom of the slag inlet pipe (2).

2. A shock absorbing device for a slag inlet pipe of a slag cooler according to claim 1, characterized in that The expansion joint (3) is installed on the slag inlet pipe (2).

3. A shock absorbing device for a residue inlet pipe of a slag cooler according to claim 2, characterized in that: The slag inlet pipe (2) and the slag inlet of the slag cooler (10) are connected through the slag suction pressure plate (11).