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Double-layer oil discharging handhole well

A hand-hole well, double-layer technology, applied in the field of hand-hole wells, can solve the problems of metal parts erosion, damage, oil infiltration into the soil, etc., and achieve the effect of easy replacement and maintenance, and high sealing reliability.

Pending Publication Date: 2019-02-15
苏州英威荣环保设备制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, most of the oil unloading handholes used in gas stations are single-layer structures. During the installation process, the metal structural parts and metal joints used are directly buried in the ground, so it is easy for oil to seep into the soil from the joints. situation, and these metal parts are also easily damaged by groundwater erosion

Method used

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  • Double-layer oil discharging handhole well
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  • Double-layer oil discharging handhole well

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Embodiment Construction

[0040] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0041] Example: such as Figure 1-16 As shown, a double-layer oil unloading handhole well includes an oil unloading valve 100, an anti-overflow cylinder 50, a support seat 60 and a protective cylinder 70. The support base 60 is provided with an upper end joint 61 and a lower end connected to each other. Joint 62, the lower end of the oil unloading valve 100 is inserted into the upper end joint 61, the upper end of the oil unloading valve is fixedly connected to the plug 40, t...

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PUM

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Abstract

The invention relates to a double-layer oil discharging handhole well. The double-layer oil discharging handhole well comprises an oil discharging valve, an overflowing preventing barrel body, a supporting seat and a protecting barrel body, wherein an upper end joint and a lower end joint which intercommunicate are arranged on the supporting seat; the lower end of the oil discharging valve is inserted on the upper end joint, and the upper end of the oil discharging valve is fixedly connected to a plugging cover; the oil discharging valve is arranged in the overflowing preventing barrel body, and the supporting seat is fixedly connected to the lower end of the overflowing preventing barrel body; a well lid is fixedly connected to the upper end of the overflowing preventing barrel body; theprotecting barrel body sleeves the outer part of the overflowing preventing barrel body, and the upper end of the protecting barrel body is fixedly connected to the overflowing preventing barrel body;a through hole through which a pipeline joint penetrates is formed in the bottom part of the protecting barrel body; the upper end of the pipeline joint is in sealing connection with the lower end joint, and the lower end of the pipeline joint extends out of the bottom part of the protecting barrel body and is used for connecting an outer pipeline. According to the double-layer oil discharging handhole well, double-layer protection is supplied, so that a metal supporting seat and parts such as joints on the metal supporting seat can be prevented from being directly buried in the ground, and as a result, connecting parts of the pipeline joint can be prevented from being eroded and damaged by underwater.

Description

technical field [0001] The invention relates to a handhole well, in particular to a double-layer oil unloading handhole well used for gas stations. Background technique [0002] The oil replenishment at the gas station flows into the underground oil storage tank through the unloading handhole well. The frequent replenishment of the gas station poses a challenge to the reliability and stability of the oil unloading handhole. Accessories have good replaceability. In order to avoid environmental pollution caused by the infiltration of fuel oil products in the gas station into the underground soil or the escape of a large amount of oil and gas, higher requirements are put forward for the sealing type of the oil unloading hand hole: all flanges and threaded joints are not allowed to be directly buried. To prevent the joints from leaking oil due to corrosion and polluting the soil. In addition, the buried depth of underground oil storage tanks in gas stations is limited, and the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B67D7/32B67D7/34B67D7/04F16K5/06F16K27/06
CPCF16K5/06F16K27/06B67D7/04B67D7/3209B67D7/34B67D2210/00062
Inventor 聂威
Owner 苏州英威荣环保设备制造有限公司
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