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Water treatment valve with combined seal

A combined sealing and water treatment technology, applied in valve devices, shaft seals, valve details, etc., can solve problems such as increased manufacturing cost, volume increase, water trapping, etc., to reduce manufacturing cost, improve water quality, valve compact body structure

Active Publication Date: 2017-08-11
陈锋
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are deficiencies: First, due to the certain size and position errors of the above-mentioned components in the process of processing and assembly, it is very difficult to adjust the tightness of the tightness of the connection between the valve core at the lower end of the control rod and the end surface of the valve seat directly through the fixed end cover during work.
When the tightness of the fixed end cover pressing and sealing connection is too tight, the valve core at the lower end of the control rod is prone to inconvenient rotation "clamping" when the water hole on the end surface of the valve seat is rotated in different positions. Phenomenon
For example, when the tightness of the fixed end cover’s compression and sealing connection is too loose, the valve core at the lower end of the control rod is not tightly connected to the water hole on the end surface of the valve seat, and the sealing connection between the multiple water holes on the end surface of the valve seat is prone to occur. The phenomenon of "stringing water" significantly reduces the quality of effluent from water treatment
The second is that when the water treatment valve is in the salt suction or water injection station, the connection position of the flow channel hole for salt injection or water injection in the valve body is limited, resulting in a complex structure and increased volume of the water treatment valve, which increases the manufacturing cost.

Method used

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  • Water treatment valve with combined seal
  • Water treatment valve with combined seal
  • Water treatment valve with combined seal

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Embodiment one, figure 1 — Figure 10 shown. This water treatment valve with a combined sealing device includes a valve seat provided in the core cavity of the valve body, a valve core connected through the lower end of the control rod is connected to the end face of the valve seat, and a valve core is connected to the lower end surface of the valve core. The radial water inlet blind hole 11 and diversion blind hole 13 that are provided at intervals also include the water hole 5 to be treated, the clean water hole 2-1, the drain hole 6-1, the regenerated water hole 14, the upper The water distribution hole 4-1 and the lower water distribution hole 3-1; it is provided with a diversion sleeve 1 in the core cavity of the valve body, and the outer circle of the diversion sleeve is connected with two sealing rings and the spacer ring sleeve. The core cavity of the valve body is sealed and connected ( figure 1 , figure 2 shown); the spacer ring on the outer circle of the...

Embodiment 2

[0038] Embodiment 2, the similarities between this embodiment and Embodiment 1 will not be repeated, the difference is that when the backwashing station is performed ( Figure 13 , Figure 14 As shown), the radial water inlet blind hole 11 on the lower end surface of the valve core coincides with the lower water distribution hole 3 on the end surface of the valve seat, and passes through the flow channel hole under the valve seat and the lower water distribution hole 3 of the valve body -1 communication; the diversion blind hole 13 on the lower end surface of the valve core also coincides with the upper water distribution hole 4 and the drain hole 6 on the end surface of the valve seat, and passes through the respective flow channel holes under the valve seat and the upper surface of the valve body. The water distribution hole 4-1 communicates with the drainage hole 6-1. At this time, the water to be treated ( Figure 13 shown by the middle arrow), through the radial water i...

Embodiment 3

[0039] Embodiment 3, the similarities between this embodiment and Embodiment 1 will not be repeated, the difference is that when performing the salt suction station ( Figure 15 — Figure 17 As shown), the radial water inlet blind hole 11 on the lower end surface of the valve core coincides with the injection water hole 15 on the end surface of the valve seat, and passes through the second flow channel hole 19 below the valve seat through the side of the valve body longitudinally. The jet 18 in the flow passage hole communicates with the regenerated water hole 14; the through hole 16 in the central fan-shaped blind hole 12 on the upper end surface of the valve core coincides with the upper water distribution hole 4 on the end surface of the valve seat, and passes through the flow passage below the valve seat The hole communicates with the upper water distribution hole 4-1 of the valve body; the diversion blind hole 13 on the lower end surface of the valve core also coincides w...

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Abstract

The invention discloses a water treatment valve with a combined sealing device. Mainly, a sealing ring is arranged between a flow guiding sleeve outer circle and a valve core cavity which are matched for sealing connection, and a sealing ring is arranged between a control rod outer circle and a flow guiding sleeve middle hole for sealing connection. A barrel extrusion flow guiding sleeve is connected to the upper end of the valve core cavity to enable a valve element at the lower end of a control rod to be in rotary sealing butt joint with the end face of a valve seat. A counter bore in the lower end of the control rod is connected with a first runner hole penetrating the flow guiding sleeve to be communicated with a regeneration water hole of a valve body. The flow guiding sleeve outer circle or a valve core cavity inner hole opposite to the first runner hole is provided with a first annular water injection groove. The joint where the control rod outer circle and the flow guiding sleeve middle hole are communicated with the first runner hole is provided with a second annular water injection groove. During work, the control rod is rotated to drive the valve element at the lower end of the control rod to be in transposition tight sealing relative to a plurality of water holes in the end face of the valve seat, flexibility, convenience and rapidness are achieved, and the phenomenon of water seeping or clamping is eliminated, and the quality of treated discharged water is improved. The valve body is compact in structure, the size is small, and the production and manufacture cost is reduced.

Description

technical field [0001] The invention relates to water treatment facilities; in particular, it relates to a water treatment valve with a combined sealing device. Background technique [0002] The water treatment valve in the prior art includes a valve seat provided in the core chamber of the valve body, a valve core connected through the lower end of the control rod is connected to the end face of the valve seat, and a valve core is connected to the upper end of the core cavity of the valve body through a connection. A fixed end cover directly rotatably connects the valve core at the lower end of the control rod with the end face of the valve seat for pressing and sealing. There are deficiencies: First, due to the certain size and position errors of the above-mentioned components in the process of processing and assembly, it is very difficult to adjust the tightness of the tightness of the connection between the valve core at the lower end of the control rod and the end surfa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K11/074F16K41/02
CPCF16K11/074F16K41/023
Inventor 孟凡刚姜艳栾松王晨于恒波姜磊祥曲昌通
Owner 陈锋
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