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Anti-blocking device for filtering secondary cooling water of continuous casting machine

A technology of secondary cold water and continuous casting machine, which is applied in the fields of filtration and separation, fixed filter element filters, chemical instruments and methods, etc., can solve the problems of single water flow channel, filter failure, nozzle blockage, etc., to achieve convenient operation and maintenance, guarantee Quality, the effect of eliminating clogging

Pending Publication Date: 2018-07-06
王辛华 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Most of the secondary cooling water of existing nozzles is filtered by a simple filter and directly supplied to the nozzle to cool the slab. The water flow channel is single. Due to the failure of the filtration accuracy or the failure of the filter, and the backwash is flushed with raw water, complete filtration cannot be achieved. As a result, large mechanical impurities enter the nozzle, causing nozzle blockage, uneven cooling of the slab, and defects such as corner cracks, shrinkage porosity, and deformation.

Method used

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  • Anti-blocking device for filtering secondary cooling water of continuous casting machine
  • Anti-blocking device for filtering secondary cooling water of continuous casting machine
  • Anti-blocking device for filtering secondary cooling water of continuous casting machine

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0033] combine Figure 1 to Figure 3 As shown, in the normal filtering state of the secondary cooling water filter and anti-blocking device of the continuous casting machine, the main body of the right cylinder 105 is tightly connected with the inner wall of the right movable cavity 104 through the right guide seal sleeve 107, and is connected through the right first Circlip 108 limits the position of right guide sealing sleeve 107;

[0034] The right cylinder 105 drives the right movable rod 106 to move downward, so that the lower end of the right movable rod 106 is connected with the second right plug 109, so that the right movable cavity 104 is sealed;

[0035] Similarly, the main body of the left cylinder 105' is tightly connected with the inner wall of the left movable cavity 104' through the left guide seal sleeve 107', and the left guide seal sleeve 107' is limited by the left first retaining spring 108';

[0036] The left cylinder 105' drives the left movable rod 106'...

specific Embodiment approach 2

[0041] combine figure 1 , figure 2 and Figure 4 As shown, when a secondary cold water filter and anti-blocking device of a continuous casting machine of the present invention performs online backwashing of the right anti-blocking block, the right cylinder 105 drives the right movable rod 106 to move upward, and the lower end of the right movable rod 106 is connected to the right second blocking head 109 separation;

[0042] Further, the right movable rod 106 moves upward to the top of the right water outlet hole 205, so that the water flowing in from the right water inlet hole 204 cannot flow to the right water outlet hole 205;

[0043] The water flow enters the raw water chamber 203 through the water inlet pipe 201, and flows into the left movable cavity 104' through the left water inlet hole 204', and then flows into the clean water chamber 208 from the left water outlet hole 205', and then flows into the right water chamber through the right water outlet hole 205. In t...

specific Embodiment approach 3

[0044] combine figure 1 , figure 2 and Figure 5 As shown, when a secondary cold water filter and anti-blocking device of a continuous casting machine of the present invention performs online backwashing of the left anti-blocking block, the left cylinder 105' drives the left movable rod 106' to move upward, and the lower end of the left movable rod 106' is aligned with the left The second plug 109' is separated;

[0045] Further, the left movable rod 106' moves upward to the top of the left water outlet hole 205', so that the water flowing in from the left water inlet hole 204' cannot flow to the left water outlet hole 205';

[0046] The water flow enters the raw water chamber 203 through the water inlet pipe 201, and flows into the right movable cavity 104 through the right water inlet hole 204, and then flows into the clean water chamber 208 from the right water outlet hole 205, and then flows into the left movable cavity through the left water outlet hole 205'. cavity 1...

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Abstract

The invention discloses an anti-blocking device for filtering secondary cooling water of a continuous casting machine. The anti-blocking device comprises an inflow-outflow water distributor and an anti-blocking module fixed with the inflow-outflow water distributor through a connecting plate, and is characterized in that the inflow-outflow water distributor comprises a water inlet pipe, a water outlet pipe, a raw water chamber and a clean water chamber, wherein the water inlet pipe is fixedly connected with the raw water chamber, the clean water chamber is fixedly connected with the water outlet pipe, and the raw water chamber and the clean water chamber are separated by a clapboard; the anti-blocking module comprises an anti-blocking plate and a cylinder arranged in a movable cavity of the anti-blocking plate; an upper movable rod of the cylinder is arranged in a sealing manner with the movable cavity through a sealing ring, a fixed body of the cylinder is arranged in a sealing mannerwith the movable cavity through a guide sealing sleeve, and the guide sealing sleeve is limited by a first clamp spring.

Description

technical field [0001] The invention belongs to the production equipment technology of continuous casting machines, in particular to a filter and anti-blocking device used for secondary cooling water treatment of continuous casting machines. technical background [0002] Most of the secondary cooling water of existing nozzles is filtered by a simple filter and directly supplied to the nozzle to cool the slab. The water flow channel is single. Due to the failure of the filtration accuracy or the failure of the filter, and the backwash is flushed with raw water, complete filtration cannot be achieved. As a result, large mechanical impurities enter the nozzle, causing nozzle blockage, uneven cooling of the slab, and defects such as corner cracks, shrinkage porosity, and deformation. The device adopts a combined structure to form multiple water flow channels, and is intercepted by a precision filter, and is completely backwashed with filtered water to ensure that the secondary c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D29/01B01D29/52B01D29/66
CPCB01D29/01B01D29/52B01D29/66
Inventor 王辛华刘庆田张金利
Owner 王辛华
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