CN207667250U - A kind of duplex strainer for being conducive to improve natural pigment quality - Google Patents

Abstract

The utility model provides a duplex filter which is beneficial to improving the quality of natural pigments. The duplex filter comprises two filters, a feed three-way valve and a discharge three-way valve arranged up and down. The two filters The filter is arranged on both sides of the feed three-way valve and the discharge three-way valve; each of the filters includes a filter cartridge and a cartridge cover, and the inside of the filter cartridge is provided with a funnel-shaped first filter unit, the The inside of the first filter unit is provided with a funnel-shaped second filter unit, the height of the second filter unit is 1/4 to 3/4 of the height of the first filter unit, and the filter hole of the first filter unit is smaller than that of the first filter unit. Two filter holes of the filter unit. The duplex filter has the advantages of less clogging, good filtering effect, less waste of materials, and convenient cleaning. When the duplex filter is used in the production of natural pigments, it can improve the purity of natural pigments, which is beneficial to obtain high-quality Natural colouring.

Description

A Duplex Filter for Improving the Quality of Natural Pigments

technical field

The utility model relates to solid-liquid separation equipment, in particular to a duplex filter which is beneficial to improving the quality of natural pigments.

Background technique

Most of the natural pigments are extracted from plants, and the components of natural pigments are mostly anthocyanins, lycopene, carotenoids, and flavonoids. Element. The use of this type of plant pigments as food pigments can not only increase the color tone, but also play an auxiliary role in enhancing human immune function, anti-oxidation, and lowering blood lipids.

The duplex filter is composed of two stainless steel filters connected in parallel. It has many advantages such as novel and reasonable structure, good sealing, strong flow capacity, and easy operation. It is a multi-purpose filtering equipment with a wide range of applications and strong adaptability. The filter unit inside the existing duplex filter is generally a cylindrical metal filter screen with an open upper end, and a filter cloth bag is arranged on the metal filter screen. The filter with this structure has the following disadvantages: ①It is easy to be blocked; once it is blocked, you need to open the filter and take out the filter cloth for cleaning. At this time, the filter cloth contains a large amount of materials to be filtered, which will cause more materials Waste; ② It takes a long time to clean and the cleaning process is cumbersome.

Utility model content

The purpose of the utility model is to overcome the above deficiencies and provide a duplex filter that is not prone to clogging, has a good filtering effect, can reduce material waste, and is easy to clean. When the duplex filter is used for filtering natural pigments, it can improve The purity of natural pigments is conducive to obtaining high-quality natural pigments.

The utility model provides a duplex filter which is beneficial to improving the quality of natural pigments. The duplex filter comprises two filters, a feed three-way valve and a discharge three-way valve arranged up and down. The two filters The device is set on both sides of the feed three-way valve and the discharge three-way valve;

Each of the filters includes a filter cartridge and a cartridge cover. A funnel-shaped first filter unit is provided inside the filter cartridge, and a funnel-shaped second filter unit is provided inside the first filter unit. The height of the second filter unit is 1/4 to 3/4 of the height of the first filter unit, and the filter holes of the first filter unit are smaller than the filter holes of the second filter unit.

In an embodiment of the present application, the first filter unit and the second filter unit may include metal filter screens, which are used to filter incoming liquid, and the mesh size of the metal filter screens may be selected according to needs. Or, the first filter unit and the second filter unit include a metal filter screen and a filter cloth bag (not shown in the figure) arranged above the metal filter screen, the filter cloth bag is used to filter the incoming liquid, and the mesh number of the filter cloth bag can be According to the needs, adding a filter cloth bag above the metal filter net can facilitate the removal of the filter cloth bag for cleaning.

Further, the upper end of the filter cartridge is provided with a water inlet, the inside of the filter cartridge is provided with an ultrasonic generating device, and the bottom of the filter cartridge is provided with a sewage outlet.

Natural pigment has strong adhesion, and is easy to adhere to the filter screen inside the filter cartridge or the side wall and pipeline of the filter cartridge. It is difficult to clean the natural pigment inside the filter cartridge with the cleaning method in the prior art. When the filter filters different batches of the same natural pigment or different pigments, it is easy to cause cross-contamination and affect the purity of the natural pigment. The utility model is provided with an ultrasonic generating device in the filter cartridge, and the filter cartridge is cleaned by means of ultrasonic vibration, so that the filter can be cleaned very conveniently.

Further, the height of the second filter unit is 1/4 to 1/2 of the height of the first filter unit, preferably, the height of the second filter unit is 1/2 of the height of the first filter unit.

Further, the diameter of the upper port of the first filter unit and the second filter unit are the same, and the diameter of the lower port of the first filter unit is smaller than the diameter of the lower port of the second filter unit.

Compared with the prior art, the utility model has the beneficial effects of:

1. In this utility model, two filter units with different filter apertures are arranged in the filter cartridge of the duplex filter. The material containing natural pigment first enters the second filter unit through the feeding three-way valve for preliminary filtration. The filter residue is intercepted by the second filter unit, and the filtrate filtered by the second filter unit enters the first filter unit for fine filtration. The filter screen is not easy to be blocked, and the natural pigment obtained by filtration has high purity and less impurities.

2. Both the first filter unit and the second filter unit of the present invention are funnel-shaped. When the filter screen is clogged, the funnel-shaped filter unit of the present invention is compared with the filter unit of the cylindrical structure of the prior art. , less media can be accommodated, thereby reducing the waste of materials during blockage.

3. In the utility model, an ultrasonic generating device is arranged inside the filter cartridge, and a water inlet and a sewage outlet are respectively arranged at the upper end and the bottom of the filter cartridge, and a certain amount of water is added into the filter cartridge through the water inlet, and the ultrasonic generating device is turned on. The filter cartridge can be thoroughly cleaned, and the natural pigment attached to the filter cartridge can be easily removed.

Description of drawings

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

In the figure: 1-filter; 2-filter cartridge; 3-cap; 4-feed three-way valve; 5-discharge three-way valve; 6-first filter unit; 7-second filter unit; 8- Ultrasonic generating device; 9- water inlet; 10- sewage outlet; 11- supporting leg; 12- ring bump; 13- round edge.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1, the utility model provides a kind of duplex filter that is conducive to improving the quality of natural pigment, and described duplex filter comprises two filters 1, the feed three-way valve 4 that is arranged up and down and the discharge three-way valve 5. The two filters 1 are fixed by supporting legs, and the two filters 1 are arranged on both sides of the feed three-way valve 4 and the discharge three-way valve 5;

Each filter 1 includes a filter cartridge 2 and a cartridge cover 3. The inside of the filter cartridge 2 is provided with a funnel-shaped first filter unit 6, and the inside of the first filter unit 6 is provided with a funnel-shaped second filter unit. unit 7, the height of the second filter unit 7 is 1/2 of the height of the first filter unit 6 . The upper end of the filter cartridge 2 is provided with a water inlet 9 , the inside of the filter cartridge 2 is provided with an ultrasonic generating device 8 , and the bottom of the filter cartridge 2 is provided with a sewage outlet 10 . The upper port diameters of the first filter unit 6 and the second filter unit 7 are the same, and the lower port diameters of the first filter unit 6 are smaller than the lower port diameters of the second filter unit 7 . The filter holes of the first filter unit 6 are smaller than the filter holes of the second filter unit 7 .

In the embodiment of the present application, the first filter unit 6 and the second filter unit 7 may include metal filter screens, which are used to filter the incoming liquid, and the mesh size of the metal filter screens can be selected according to needs. Or, the first filter unit 6 and the second filter unit 7 include a metal filter screen and a filter cloth bag (not shown in the figure) arranged above the metal filter screen, the filter cloth bag is used to filter the liquid entering, the purpose of the filter cloth bag The number can be selected according to the needs. Adding a filter cloth bag above the metal filter net can facilitate the removal of the filter cloth bag for cleaning. The first filter unit 6 and the second filter unit 7 can be arranged inside the filter cartridge by conventional technical means. In this embodiment, the openings at the upper ends of the first filter unit 6 and the second filter unit 7 extend outward With a horizontal round edge 13, the inside of the filter cartridge 2 is provided with an annular protrusion 12 at an appropriate height for supporting the first filter unit 6 and the second filter unit 7, and the first filter unit 6 can be further bolted And the second filter unit 7 is fixed.

Compared with the prior art, the utility model has the beneficial effects of:

1. In this utility model, two filter units with different filter apertures are arranged in the filter cartridge of the duplex filter. The material containing natural pigment first enters the second filter unit through the feeding three-way valve for preliminary filtration. The filter residue is intercepted by the second filter unit, and the filtrate filtered by the second filter unit enters the first filter unit for fine filtration. The filter screen is not easy to be blocked, and the natural pigment obtained by filtration has high purity and less impurities.

2. Both the first filter unit and the second filter unit of the present utility model are of funnel-shaped structure. When the filter screen is blocked, the funnel-shaped filter unit of the present utility model is compared with the filter unit of the cylindrical structure of the prior art. , less media can be accommodated, thereby reducing the waste of materials during blockage.

3. In the utility model, an ultrasonic generating device is installed inside the filter cartridge, and a water inlet and a sewage outlet are respectively arranged at the upper end and the bottom of the filter cartridge, and a certain amount of water is added into the filter cartridge through the water inlet, and the ultrasonic generating device is turned on. The filter cartridge can be thoroughly cleaned, and the natural pigment attached to the filter cartridge can be easily removed.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. a kind of duplex strainer for being conducive to improve natural pigment quality, which is characterized in that the duplex strainer includes two Filter (1), charging triple valve (4) setting up and down and discharging triple valve (5), described two filters (1) be set into Expect the both sides of triple valve (4) and discharging triple valve (5)；

Each filter (1) includes filter cylinder (2) and cover (3), and being internally provided with for the filter cylinder (2) is funnel shaped First filter element (6), first filter element (6) are internally provided with funnel shaped second filter element (7), and described The height of two filter elements (7) is the 1/4~3/4 of the first filter element (6) height, the filtering of first filter element (6) The aperture in hole is less than the aperture of the filter hole of the second filter element (7).

2. duplex strainer according to claim 1, which is characterized in that the upper end of the filter cylinder (2) is provided with into water Mouth (9), the filter cylinder (2) are internally provided with ultrasonic generator (8), and the bottom of the filter cylinder (2) is provided with sewage draining exit (10)。

3. duplex strainer according to claim 1, which is characterized in that the height of second filter element (7) is the The 1/4~1/2 of one filter element (6) height.

4. duplex strainer according to claim 1, which is characterized in that the height of second filter element (7) is the The 1/2 of one filter element (6) height.

5. duplex strainer according to claim 1, which is characterized in that first filter element (6) and the second filtering The upper end bore of unit (7) is identical, and the lower end bore of first filter element (6) is less than the lower end of the second filter element (7) Bore.