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Control ball valve for metering self-balancing type foam fire extinguishing system

A foam fire extinguishing and self-balancing technology, which is applied to valve details, valve devices, valve shell structures, etc., can solve the problems of inapplicable ball valve high-precision opening control requirements and low control accuracy, and achieve reliable sealing performance and equipment The effect of simple structure and wide range of flow adjustment

Inactive Publication Date: 2017-09-15
九江中船消防设备有限公司
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0002] As a new type of digital and intelligent automatic fire extinguishing equipment, the metered self-balancing foam fire extinguishing system improves the follow-up of foam liquid and the mixing ratio of the system through the control ball valve; while the existing control ball valve has a simple internal flow channel structure, which only realizes the pipeline medium The opening and closing function of the control ball valve is low, and it cannot be applied to the high-precision opening control requirements of the metering self-balancing foam fire extinguishing system.

Method used

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  • Control ball valve for metering self-balancing type foam fire extinguishing system

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Embodiment

[0016] The control ball valve of the present invention has the structure as attached figure 1 As shown, it includes manual knob 1, opening indicator 2, lower valve stem 3, valve body 4, outlet flange 5, outlet threaded joint 6, ball 7, sealing ring 8, upper valve stem 9, drive motor 10, inlet Threaded joint 11, inlet flange 12 and other components.

[0017] The specific structure and connection relationship are as follows: the ball 7 is installed in the center of the valve body 4 by the left and right sealing rings 8, the inlet threaded joint 11, and the outlet threaded joint 6. The ball 7 is connected with the drive motor 10 through the upper valve stem 9, and the opening is indicated. The device 2 is fixed and installed on the lower part of the valve body 4 by 4 slotted pan head screws, the ball 7 is connected with the manual knob 1 through the upper valve stem 3, the inlet flange 12 and the outlet flange 5 are respectively fixed and installed on both sides of the valve body...

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Abstract

The invention discloses a control ball valve for a metering self-balancing type foam extinguishing system. The control ball valve comprises a valve body; a ball body is arranged in the valve body; the upper end of the ball body is connected to a driving motor through an upper valve rod; the lower end of the ball body is connected to a manual knob through a lower valve rod; an outlet threaded connector is arranged on the left side of the ball body; one end of the outlet threaded connector is connected to an outlet flange; an inlet threaded connector is arranged on the right side of the ball body; and one end of the inlet threaded connector is connected to an inlet flange. The control ball valve has the advantages that the structure is simple, control is easy, the performance is reliable, the response speed is high, the adjusting precision is high, the mixing precision of a foam mixture and the fire extinguishing efficiency of a system can be improved, and automatic and manual adjustment can be realized.

Description

technical field [0001] The invention relates to a control ball valve for a metering self-balancing foam fire extinguishing system. Background technique [0002] As a new type of digital and intelligent automatic fire extinguishing equipment, the metered self-balancing foam fire extinguishing system improves the follow-up of foam liquid and the mixing ratio of the system through the control ball valve; while the existing control ball valve has a simple internal flow channel structure, which only realizes the pipeline medium The opening and closing function of the valve has low control accuracy, and cannot be applied to the high-precision opening control requirements of the metering self-balancing foam fire extinguishing system for the control ball valve. [0003] The control ball valve used in the metering self-balancing foam fire extinguishing system in the firefighting field, as a key component of the system, automatically adjusts the opening of the ball according to the fl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K31/05F16K27/06F16K37/00F16K5/08
CPCF16K31/055F16K5/08F16K27/067F16K37/00
Inventor 杨振邱波杨春林柯知勤桂瞬丰
Owner 九江中船消防设备有限公司
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