CN114768372A - Defoaming filter - Google Patents

Abstract

The invention relates to a defoaming filter, which comprises a filter head, a filter cylinder and a filter element, wherein an oil inlet is formed in the filter head, the filter cylinder and the filter element are both connected with the filter head, the filter element is positioned in the filter cylinder, the filter element is communicated with the filter head, a plurality of oil outlet holes are formed in the bottom of the side wall of the filter cylinder, a defoaming filter screen cylinder is sleeved at the bottom of the filter element and positioned between the filter element and the filter cylinder, the position of the defoaming filter screen cylinder corresponds to the position of the oil outlet holes, and the diameter of the filter holes in the defoaming filter screen cylinder is 100-150 micrometers. When the oil passes through the defoaming filter screen cylinder, bubbles in the oil can be dispersed into small bubbles or directly eliminated by the filter holes densely distributed on the defoaming filter screen cylinder, so that the invention has the advantages of avoiding cavitation and prolonging the service life of equipment.

Description

Defoaming filter

Technical Field

The invention relates to the technical field of filters, in particular to a defoaming filter.

Background

The filter is an indispensable device on the pipeline for conveying the medium, and is mainly used for filtering impurities and pollutants in the medium.

As shown in fig. 1-2, a filter in the prior art includes a filter head 1, a filter cartridge 2 and a filter element 3, an oil inlet 4 and a sensor connector 5 are provided on the filter head 1, the oil inlet 4 is an inlet through which oil enters the filter, the sensor connector 5 is used to connect a sensor used in cooperation with the filter, the filter cartridge 2 and the filter element 3 are both cylindrical, the filter cartridge 2 and the filter element 3 are both connected to the filter head 1, the filter element 3 is communicated with the filter head 1, the filter element 3 is disposed in the filter cartridge 2, and a plurality of oil outlets 6 are provided at a bottom of a side wall of the filter cartridge 2. When the filter is used, oil firstly enters the filter head 1 from the oil inlet 4, then enters the filter element 3 from the filter head 1, then passes through the filter element 3 to enter between the filter element 3 and the filter cylinder 2, and finally is discharged out of the filter cylinder 2 through the oil outlet 6. In the process that fluid passes through filter core 3, filter core 3 alright filter the impurity in the fluid to improve the purity of fluid.

The prior art filters present a problem in use: the fluid produces the bubble easily when flowing in the filter, and the bubble bursts and can cause huge impact to the inner wall of equipment, takes place the cavitation promptly, and this can greatly reduced equipment's life increases use cost. So it is very important for the filter to eliminate the bubbles in the oil.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects in the prior art, the invention provides a defoaming filter to solve the problems that in the prior art, oil in the filter is easy to generate bubbles, so that cavitation erosion occurs and the service life of equipment is shortened.

(II) technical scheme

In order to realize the purpose, the technical scheme of the invention is as follows:

the utility model provides a defoaming filter, includes the filter head, strains a section of thick bamboo and filter core, be provided with the oil inlet on the filter head, it all is connected with the filter head to strain a section of thick bamboo and filter core, the filter core is located and strains inside the section of thick bamboo, filter core and filter head intercommunication, the bottom of the lateral wall of straining a section of thick bamboo is provided with a plurality of oil outlets, the cover of filter core bottom is equipped with a defoaming screen section of thick bamboo, a defoaming screen section of thick bamboo is located the filter core and strains between the section of thick bamboo, the position of a defoaming screen section of thick bamboo corresponds with the position of oil outlet, the diameter of the filtration pore on the defoaming screen section of thick bamboo is 100um ~ 150 um.

Furthermore, the side wall of the defoaming filter screen cylinder is in a corrugated shape.

Furthermore, the defoaming filter screen cylinder is welded with the outer wall of the filter element.

Further, the length of the defoaming filter screen cylinder is not less than one half of the length of the filter element.

(III) advantageous technical effects

In summary, the present invention includes at least one of the following beneficial effects:

1. in the invention, as the defoaming filter screen cylinder is sleeved at the bottom of the filter element, when the filter is used, oil enters the filter head from the oil inlet, then enters the filter element, then passes through the filter element and the defoaming filter screen cylinder and enters between the filter element and the filter cylinder, and finally is discharged out of the filter cylinder through the oil outlet, when the oil passes through the defoaming filter screen cylinder, bubbles in the oil can be dispersed into very small bubbles or directly eliminated by the filter holes densely distributed on the defoaming filter screen cylinder, so the filter has the advantages of avoiding cavitation and prolonging the service life of equipment;

2. because the side wall of the defoaming filter screen cylinder is in a corrugated shape, the contact area between the side wall of the defoaming filter screen cylinder and oil can be increased, and the defoaming effect of the defoaming filter screen cylinder on the oil is improved;

3. because the defoaming filter screen cylinder is welded with the outer wall of the filter element, the defoaming filter screen cylinder has good stability and can stably defoam oil;

4. because the length of the defoaming filter screen cylinder is not less than one half of the length of the filter element, the defoaming range of the defoaming filter screen cylinder on oil liquid can be enlarged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a block diagram of a prior art filter of the background art;

FIG. 2 is a cross-sectional view of the filter of FIG. 1;

FIG. 3 is a sectional view of an antifoaming filter in the embodiment;

figure 4 is a top view of an embodiment of a defoaming screen cartridge.

Description of reference numerals:

in the figure, 1, a filter head; 2. a filter cartridge; 3. a filter element; 4. an oil inlet; 5. a sensor connector; 6. an oil outlet hole; 7. defoaming filter screen section of thick bamboo.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the application herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used in other meanings besides orientation or positional relationship, for example, the term "upper" may also be used in some cases to indicate a certain attaching or connecting relationship. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example (b):

referring to fig. 3-4, the defoaming filter disclosed by the invention comprises a filter head 1, a filter cartridge 2 and a filter element 3. An oil inlet 4 and a sensor connecting port 5 are arranged on the filter head 1, the oil inlet 4 is an inlet for oil to enter the filter, and the sensor connecting port 5 is used for connecting a sensor which is matched with the filter for use. The rate is strained a section of thick bamboo 2 and is cylindric with filter core 3, strains a section of thick bamboo 2 and filter core 3 and all is connected with filter head 1, and filter core 3 is located and strains 2 insidely, and filter core 3 and filter head 1 intercommunication are strained the bottom of the lateral wall of a section of thick bamboo 2 and are provided with a plurality of oil outlets 6.

3 bottom covers of filter core are equipped with defoaming filter screen section of thick bamboo 7, and defoaming filter screen section of thick bamboo 7 is located filter core 3 and strains between the section of thick bamboo 2, and the position of defoaming filter screen section of thick bamboo 7 corresponds with the position of oil outlet 6, and the diameter of the filtration pore on the defoaming filter screen section of thick bamboo 7 is 100um ~ 150 um.

Through the aforesaid setting, during the use, fluid gets into filter head 1 from oil inlet 4, then it is inside to get into filter core 3, pass filter core 3 and defoaming screen cylinder 7 after that and enter into between filter core 3 and the section of thick bamboo 2, at last strain a section of thick bamboo 2 through 6 discharges of oil outlet, when fluid through defoaming screen cylinder 7, the bubble that exists in the fluid can be dispersed into very little bubble or directly eliminate by the filtration pore of crossing of defoaming screen cylinder 7 upper density, therefore the defoaming filter that this embodiment provided has can avoid appearing the cavitation erosion, improve equipment life's advantage.

The lateral wall of defoaming filter screen cylinder 7 is the fold form, consequently can increase the area of contact of 7 lateral walls of defoaming filter screen cylinder and fluid to improve the defoaming effect of defoaming filter screen cylinder 7 to fluid.

The defoaming filter screen cylinder 7 is welded with the outer wall of the filter element 3, so that the defoaming filter screen cylinder 7 has good stability and can stably defoam oil.

The length of the defoaming filter screen cylinder 7 is not less than one half of the length of the filter element 3, so that the defoaming range of the defoaming filter screen cylinder 7 on oil can be enlarged, and the defoaming effect of the defoaming filter screen cylinder 7 is further improved.

The working principle of the embodiment is as follows: during the use, fluid gets into filter head 1 from oil inlet 4, then it is inside to get into filter core 3, pass filter core 3 and defoaming screen cylinder 7 after that and enter into filter core 3 and strain between the section of thick bamboo 2, at last strain a section of thick bamboo 2 through 6 discharges of oil outlet, when fluid when defoaming screen cylinder 7, the filtration pore dispersion that the bubble that exists in fluid can be gone up by defoaming screen cylinder 7 densely covered becomes very little bubble or directly eliminates, therefore the defoaming filter that this embodiment provided has can avoid appearing the cavitation, improve equipment life's advantage.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications derived therefrom are intended to be within the scope of the invention.

Claims (4)

1. The utility model provides a defoaming filter, includes filter head (1), strains a section of thick bamboo (2) and filter core (3), be provided with oil inlet (4) on filter head (1), it all is connected with filter head (1) to strain a section of thick bamboo (2) and filter core (3), filter core (3) are located and strain inside section of thick bamboo (2), filter core (3) and filter head (1) intercommunication, the bottom of straining the lateral wall of section of thick bamboo (2) is provided with a plurality of oil outlet (6), its characterized in that: the utility model discloses a defoaming filter screen, including filter core (3), defoaming filter screen section of thick bamboo (7) are located filter core (3) and are strained between the section of thick bamboo (2), the position of defoaming filter screen section of thick bamboo (7) corresponds with the position of oil outlet (6), the diameter of the filtration pore on defoaming filter screen section of thick bamboo (7) is 100um ~ 150 um.

2. The defoaming filter of claim 1, wherein: the side wall of the defoaming filter screen cylinder (7) is in a corrugated shape.

3. The defoamer filter of claim 1, wherein: the defoaming filter screen cylinder (7) is welded with the outer wall of the filter element (3).

4. The defoaming filter of claim 1, wherein: the length of the defoaming filter screen cylinder (7) is not less than one half of the length of the filter element (3).

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