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Multi-stage precision filter

A technology of precision filter and inner filter element, applied in the filter field, can solve the problems of safety impact, filter element sliding or skew, etc., to achieve the effect of strengthening the installation stability and reducing the probability of dumping damage

Pending Publication Date: 2022-03-29
江西荣霸机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Such as a kind of precision filter whose publication number is CN213995073U, it has the following problems, such as: when the top cover is separated from the cylinder body, after losing the fixing of the first annular block to the filter core, the filter core is prone to slip or skew on the circular plate At the same time, under the influence of the spring stretching driving force, the probability of the filter element slipping from the circular plate increases, which easily affects its safety

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A multi-stage precision filter, including a cylinder body 1 and an end cover 2, wherein the two sides of the end cover 2 are respectively provided with a water inlet pipe 3 and a water outlet pipe 4, and the inner top of the end cover 2 is also provided with a water inlet pipe 3 and an outlet pipe 4 separated L-shaped plate 5, the horizontal end of the L-shaped plate 5 is provided with a filter mechanism 6 extending into the cylinder 1.

[0023] Wherein, after the liquid is introduced into the end cap 2 through the water inlet pipe 3 during use, the L-shaped plate 4 will introduce the liquid to block it and prevent it from directly flowing to the outlet pipe 4 to be discharged. At this time, the liquid is filtered by the filter mechanism 6 and then flows into the cylinder The inside of the body 1 is then discharged through the outlet pipe 4, so as to achieve the purpose of filtering the liquid.

[0024] The filter mechanism 6 includes an outer filter element 62 and an i...

Embodiment 2

[0039] A multi-stage precision filter, which is basically the same as Embodiment 1, the only difference is that the bottom of the inner filter element 61 is provided with an annular seat 17 in contact with the inner side wall of the outer filter element 62, and the top end of the outer annular seat 17 of the inner filter element 61 There is a ring of receiving grooves 18 with a right-angled trapezoidal section on the surface, and a reinforcing rod 19 is arranged in the opening of the annular seat 17, wherein a sleeve 20 is arranged in the middle of the reinforcing rod 19, and an inserting hole is arranged on the inner top wall of the top cover 2. The screw rod I21 screwed in the casing 20.

[0040] When installing the inner filter element 61, its top is screwed to the screw hole I8, and its bottom end passes through the annular seat 17 and the reinforcing rod 19 to drive the sleeve pipe 20 to be screwed to the screw rod I21, so as to realize the upper and lower ends of the inne...

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Abstract

The multistage precision filter comprises a cylinder and an end cover, a water inlet pipe and a water outlet pipe are arranged on the two sides of the end cover respectively, an L-shaped plate for separating the water inlet pipe from the water outlet pipe is further arranged at the top in the end cover, a filtering mechanism extending into the cylinder is arranged at the horizontal end of the L-shaped plate, and the filtering mechanism comprises an outer filter element and an inner filter element; wherein a sealing plate for supporting the inner filter element is arranged at the bottom end of the outer filter element, a mounting seat is arranged at the bottom end of the sealing plate, a blow-off pipe penetrating through the mounting seat is arranged on the sealing plate, a cylinder I penetrating through the bottom wall of the cylinder body is arranged at the bottom in the cylinder body, and a solenoid extending into the cylinder I is arranged at the bottom of the mounting seat. A circle of protruding part in threaded connection with the inner top of the cylinder I is arranged on the outer side wall of the top end of the screw pipe, and a pushing mechanism is arranged between the cylinder I below the protruding part and the screw pipe. The device is simple in structure and convenient to use.

Description

technical field [0001] The invention relates to the technical field of filters, in particular to a multistage precision filter. Background technique [0002] Precision filter (also known as security filter), the cylinder shell is generally made of stainless steel, and the interior uses tubular filter elements such as PP melt-blown, wire-fired, folded, titanium filter, activated carbon filter, etc. as filter elements, according to different filter media and The design process selects different filter elements to meet the requirements of effluent water quality. It is used for solid-liquid separation of various suspensions. The environmental requirements are relatively high, and the filtration precision is relatively high. The liquid filter has a wide range of applications and is suitable for medicine and food. , chemical industry, environmental protection, water treatment and other industrial fields. [0003] Such as a kind of precision filter whose publication number is CN21...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D29/35B01D29/58B01D29/64B01D29/94B01D29/96
CPCB01D29/35B01D29/58B01D29/94B01D29/96B01D29/6469
Inventor 杨周
Owner 江西荣霸机械有限公司