CN2858027Y

CN2858027Y - Fluid filter

Info

Publication number: CN2858027Y
Application number: CN 200520120434
Authority: CN
Inventors: 刘毅
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-12-16
Filing date: 2005-12-16
Publication date: 2007-01-17
Anticipated expiration: 2015-12-16

Abstract

The utility model discloses a fluid filter which has filter pipes between liquid/air inlet pipe and liquid/air outlet pipe, and filter screen or filter membrane is installed along the fluid cross section of the filter pipe. The filter is characterized in that: the ratio between the cross section area of the filter pipe and that of the liquid/air inlet pipe or outlet pipe is no less than 1.5. The utility model enlarges the cross section area of the filter pipe, when the fluid flow into the filter pipe, so as to reduce the flux of unit area and fluid pressure, so that the foreign material can hardly rush through the filter screen or filter membrane by means of the fluid pressure, and the filter effect is improved. At the same time, the assembly relation of the present filter is not changed, so the structure is still simple and the cost remains at a low level.

Description

Fluid filter

Background technology:

A lot of occasions all need fluid such as water, air, wet goods are filtered, and existing comparatively economic structure of filter is generally: between feed liquor, tracheae and fluid, tracheae, filter screen or filter membrane are set.This filtration device structure is simple, with low cost, be widely used in the various occasions comparatively common to the filter quality requirement, but during owing to fluid process filter screen or filter membrane, keeping high pressure conditions, some impurity are under the effect of pressure, pass filter screen or filter membrane, can enter outlet pipe, at this moment often need to satisfy and filter requirement through filtering for several times.In addition, be widely used in industrial production especially chemical industry and the suitable filter plant of pharmaceutical industry, its filter effect is fine, but owing to adopted various biologies, chemistry and physical means to carry out filtration treatment, its structure is quite complicated, cost is very high, is not suitable for common industry and civilian filtration occasion.

The utility model content:

The purpose of this utility model provides a kind of simple in structure, and it is cheap that cost keeps, and filter effect fluid filter preferably.

The purpose of this utility model is achieved in that a kind of fluid filter, between feed liquor, tracheae and fluid, tracheae, screen pipe is arranged, filter screen or filter membrane are installed on the fluid cross section in screen pipe, and it is characterized in that: the area ratio of the cross-sectional area of screen pipe and feed liquor, tracheae or fluid, tracheae is more than 1.5 times.

Because the utility model has enlarged the cross-sectional area of screen pipe, make that fluid enters screen pipe after, the flow of unit are reduces, fluid pressure reduces, so the impurity in the fluid is difficult to nationality and the pressure of fluid and break through filter screen or filter membrane, thereby improves filter effect; Do not change the assembly relation of existing filter simultaneously, structure still keeps simply, and it is cheap that cost still keeps.

Description of drawings:

Fig. 1 is a structural representation of the present utility model.

The specific embodiment:

The utility model is applied to the occasion of water filtration: between water inlet pipe that internal diameter equates and outlet pipe, the screen pipe that an internal diameter doubles water inlet pipe and outlet pipe is installed, one deck is installed with upper filter screen or filter membrane on the current cross section in screen pipe, the model of filter screen or filter membrane can require to select according to filtering, in general, filter membrane can filter thinner impurity and microorganism etc., is applicable to filter to require higher occasion.

For cleaning, the replacement cycle that prolongs filter membrane, also can earlier thicker contaminant filter be fallen, again with thinner impurity of membrane filtration and microorganism etc. at the filter screen of installing before the filter membrane more than one deck.

Having needs, and filter membrane or filter screen also can be installed as more than one deck, to strengthen filter effect.

On same filter, more than one screen pipe can be installed, filter screen or filter membrane are installed in screen pipe as required.

In order to make fluid flowing between water inlet pipe and outlet pipe and screen pipe more steady, between screen pipe and water inlet pipe and outlet pipe, separator tube is set, the diameter of separator tube or is the state (as Fig. 1) of mild transition between screen pipe and water inlet pipe and outlet pipe (as Fig. 2).

Claims

1. fluid filter, between feed liquor, tracheae and fluid, tracheae, screen pipe is arranged, filter screen or filter membrane are installed on the fluid cross-section in screen pipe, and it is characterized in that: the area ratio of the cross-sectional area of screen pipe and feed liquor, tracheae or fluid, tracheae is more than 1.5 times.

2. fluid filter according to claim 1 is characterized in that: filter screen and filter membrane are installed in screen pipe simultaneously, and wherein, fluid through filter screen, passes through filter membrane earlier again.

3. fluid filter according to claim 1 is characterized in that: filter screen in screen pipe more than one deck or filter membrane.

4. fluid filter according to claim 1 is characterized in that: comprise more than one screen pipe.

5. fluid filter according to claim 1, it is characterized in that: between screen pipe and feed liquor, tracheae and fluid, tracheae, separator tube is set, the diameter of separator tube or is the state of mild transition between screen pipe and feed liquor, tracheae and fluid, tracheae.