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Internal water-cooling roller way provided with heat insulating device

A technology of heat preservation device and internal water cooling, which is applied in the direction of rolls, lighting and heating equipment, furnace components, etc., can solve the problems of insufficient temperature in the furnace, not fully realized, and oxidation loss, and achieves good stress and operation conditions. , easy to operate, small maintenance effect

Inactive Publication Date: 2012-01-04
何学才
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Hot delivery and hot charging of steel billets in iron and steel plants are very common, and have achieved good energy-saving effects. Technical issues and cost-effective issues have not been fully realized

Method used

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  • Internal water-cooling roller way provided with heat insulating device
  • Internal water-cooling roller way provided with heat insulating device
  • Internal water-cooling roller way provided with heat insulating device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Such as figure 1 As shown, it is a structural schematic diagram of the first type of internal water cooling single-roller table with heat preservation device. The described water internal cooling single-roller table with heat preservation device The water-cooled roller table unit includes a roller ring 4 made of heat-resistant alloy steel filled with refractory fibers installed in the heat preservation device. There is a hot billet 5 conveyed by the roller ring 4. In the middle of the side wall of the device, at least one end of the roll ring 4 is provided with a prefabricated refractory material 6 on the contact surface with the side wall of the heat preservation device, and the two sides of the roll ring 4 are sealed with cover plates, and the roll ring 4 is welded to the water-cooled shaft 11 , the roller ring 4 and the water-cooled shaft 11 are provided with a shaft seal device 7 on the contact surface with the water-cooled shaft 11. There is a certain gap between i...

Embodiment 2

[0037] Such as Figure 4 As shown, it is a schematic diagram of the structure of the second water internal cooling single roller table with a heat preservation device. The difference between it and Embodiment 1 is that the heat preservation device is a walking heating furnace 20, and one end of the roller ring 4 is installed In the middle part of the side wall of the walking heating furnace 20, and connected to the water cooling shaft 11, the roller ring 4 is fixed to the walking heating furnace 20 through the roller guide frame 19, and the bearing housing 10 and the speed reducer 13 are all mounted on the On the mobile support 12, the mobile support 12 is installed on the first roller table base 15.

Embodiment 3

[0039] Such as Figure 5 As shown, it is a schematic diagram of the structure of the third type of water internal cooling single-roller table with a heat preservation device. The difference between it and Embodiment 1 is that the heat preservation device includes a heat preservation box seat 2, and the heat preservation box seat 2 is provided with a filling refractory fiber The second heat preservation cover 3 of the heat preservation box seat 2 is provided with a sand sealing device 8 on the contact surface of the second heat preservation cover 3, and the two ends of the roller ring 4 made of heat-resistant alloy steel are all installed in the middle part of the side wall of the heat preservation box seat 2 , the roller ring 4 is welded to the inner hollow water-cooled shaft 11, the water-cooled shaft 11 is installed in the middle of the roller ring 4, one end of the water-cooled shaft 11 is installed on the bearing housing 10, and the other end of the water-cooled shaft 11 is...

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Abstract

The invention provides an internal water-cooling roller way provided with a heat insulating device, which is characterized by comprising at least one internal water-cooling roller way unit provided with the heat insulating device; the internal water-cooling roller way unit provided with the heat insulating device comprises a roller ring which is arranged inside the heat insulating device and filled with refractory fiber; the roller ring is provided with a hot billet and is connected with a water-cooling shaft; prefabricated member refractory material is arranged on the contact surface betweenthe roller ring and the side wall of the heat insulating device; a shaft sealing device is positioned on the contact surface between the roller ring and the water-cooling shaft, and is provided with an air inlet and outlet and a water inlet and outlet; the middle part of the water-cooling shaft is arranged on a bearing seat; and then end of the water-cooling shaft is arranged outside the heat insulating device, and a water-cooling pipeline inside the water-cooling shaft is connected with a rotating joint. The internal water-cooling roller way has the advantages of comprehensively solving the connecting relationship between a heat insulating cover and the roller way, preventing heat dissipation to the utmost extent, rising the temperature of a steel billet which enters into a furnace, and being energy-saving, simple in structure of the device, long in service life, low in manufacturing cost, investment-saving and convenient for maintenance.

Description

technical field [0001] The invention provides a water internal cooling roller table with a heat preservation device, which is used in a hot billet hot delivery and hot charging device in a steel plant, and belongs to the technical fields of steel billet transportation, hot billet hot delivery and hot charging, and energy saving. Background technique [0002] Iron and steel enterprises are large energy consumers. High quality, energy saving and consumption reduction are the goals that enterprises always pursue. Energy saving and emission reduction are twin brothers. Energy saving is a benefit economic issue, but emission reduction will now be a political issue. Hot delivery and hot charging of steel billets in iron and steel plants are very common, and have achieved good energy-saving effects. Technical issues and cost-effective issues have not been fully realized. Contents of the invention [0003] The object of the present invention is to provide a water cooling roller t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B27/08F27D3/12
Inventor 何学才
Owner 何学才
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