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Electrolytic aluminium crust breaking cylinder feedback valve

A shelling cylinder and feedback valve technology, which is applied in the field of electrolytic aluminum shelling cylinder feedback valve, can solve the problems of unable to monitor the state of the cylinder and affect the purity of aluminum liquid, etc.

Inactive Publication Date: 2012-03-07
大连维乐液压制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that because the state of the cylinder cannot be monitored, it will cause many unnecessary problems such as affecting the purity of the aluminum liquid. In order to solve such problems, a feedback signal must be sent immediately after the cylinder is shelled to control the rapid retraction of the cylinder and limit the impact of the hammer on the aluminum. The residence time in the liquid can detect the state of the hammer head in the aluminum liquid and improve the purity of the aluminum liquid

Method used

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  • Electrolytic aluminium crust breaking cylinder feedback valve
  • Electrolytic aluminium crust breaking cylinder feedback valve

Examples

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Embodiment Construction

[0010] Such as figure 1 As shown in the figure, the electrolytic aluminum shell shell cylinder feedback valve includes a retaining ring 1, an O-ring 2, a gland 3, a spring 5, a special seal 6 and a contact rod 7, and the O-ring 2 is installed in the groove of the gland 3. The gland 3 is fixed on the front cover 8 through the retaining ring 1, the spring 5 is installed in the counterbore of the gland 3, the special seal 6 is connected with the contact rod 7 through the nut 4, the pressure of P1 is 0.6MPa, and the pressure of P2 is 0MPa , the maximum pressure of P3 is 0.6MPa. This valve can be installed on the front cover of the shelling cylinder. The pressure P1 is connected to the air source, the pressure P2 is connected to the atmosphere, and the pressure P3 is connected to the rod cavity of the cylinder. When shelling, due to the action of pressure P1 and spring 5, the valve position does not move. When the shelling is over, the piston hits the contact rod 7, forcing P1 to c...

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Abstract

The invention discloses an electrolytic aluminium crust breaking cylinder feedback valve, which comprises a back-up ring (1), an O-shaped loop (2), a gland (3), a spring (5), a special-purpose seal (6) and a contact rod (7), wherein the O-shape loop (2) is installed inside the groove of the gland (3), which is fixed on a front cover (8) through the back-up ring (1); the spring (5) is installed inside a counter bore of the gland (3); the special-purpose seal (6) is connected with the contact rod (7) through a nut (4). After crust breaking by the cylinder is completed, the electrolytic aluminium crust breaking cylinder feedback valve will immediately sound a feedback signal so as to control the cylinder to rapidly withdraw, limit the residence time of a hammerhead in an aluminium liquid, detect the state of the hammerhead in the aluminium liquid and raise the purity of the aluminium liquid.

Description

technical field [0001] The invention relates to a feedback valve of an electrolytic aluminum shelling cylinder. Background technique [0002] The existing electrolytic aluminum shelling cylinder is a special cylinder used in electrolytic aluminum factories. Its functions are divided into two types: blanking and shelling and aluminum shelling. When in use, compressed air enters the cylinder through the pipeline to drive the hammer head down quickly. Shelling, after the shelling is over, the cylinder is quickly retracted by controlling the direction change of the reversing valve. The disadvantage is that because the state of the cylinder cannot be monitored, it will cause many unnecessary problems such as affecting the purity of the aluminum liquid. In order to solve such problems, a feedback signal must be sent immediately after the cylinder is shelled to control the rapid retraction of the cylinder and limit the impact of the hammer on the aluminum alloy. The time of stayi...

Claims

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Application Information

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IPC IPC(8): C25C3/14
Inventor 王挺丁维力
Owner 大连维乐液压制造有限公司
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