CN213652048U - Precision filter - Google Patents

Abstract

The utility model discloses an accurate filter relates to filtration equipment technical field, the device comprises a device body, the top of device body is provided with sewage inlet, this internal stirring centrifugal device and the filter core of being provided with of device, the bottom of device body is provided with the sewage export, wherein, the filter core includes filter core and lower filter core, it follows to go up the filter core the inside wall of device body encircles a week setting, down filter core demountable installation in go up the bottom of filter core and be located the sewage export top. The utility model discloses have through setting up down the filter core in last filter core bottom, realize the filtration and the collection of the sewage and the large granule that subside under the gravitational force effect to the realization has improved the filterable effect of sewage greatly to the comprehensive filtration of sewage.

Description

Precision filter

Technical Field

The utility model relates to a filtration equipment technical field, more specifically say, it relates to a precision filter.

Background

The filter is an indispensable device on a medium conveying pipeline and is used for eliminating impurities in the medium. When the medium enters the filter cylinder with a filter element with a certain specification, impurities are blocked by the filter element, clean filtrate is discharged from the filter outlet, and when the filter needs to be cleaned, the detachable filter element is taken out and is installed again after treatment.

But current filter is when using, and its filter core adopts tubulose filtration usually, and the large granule impurity in the sewage often can deposit to the filter core bottom under the effect of gravity, directly filters by the filter drain, like this, just is difficult to realize the filtering to large granule impurity blocks up the filter drain easily, remains to improve.

Based on the above problem, a precision filter capable of effectively filtering out large-particle impurities is required.

SUMMERY OF THE UTILITY MODEL

To this problem in the practical application, the utility model aims to provide a precision filter, concrete scheme is as follows:

a precision filter comprises a device body, wherein the top of the device body is provided with a sewage inlet, the device body is internally provided with a stirring centrifugal device and a filter element, the bottom of the device body is provided with a sewage outlet, wherein,

the filter core includes filter core and lower filter core, go up the filter core edge the inside wall of device body encircles a week and sets up, lower filter core demountable installation in the bottom of going up the filter core is located the sewage outlet top.

Furthermore, the lower filter element is of a hollow ellipsoidal structure, the height of the lower filter element gradually decreases from the edge to the center, a plurality of large particle gathering grooves are uniformly formed in the top surface of the lower filter element around the circumference of the lower filter element, a collecting groove is formed in the center of the top of the lower filter element, and the outer edges of the lower filter elements of the plurality of large particle gathering grooves extend to the collecting groove.

Further, the transverse section of the large particle gathering tank is of an arc-shaped structure.

Further, the vertical section of the large particle gathering groove is of a V-shaped structure.

Furthermore, the stirring centrifugal device comprises a driving motor, a transmission shaft and a stirring centrifugal paddle, the driving motor is installed at the top of the device body, the transmission shaft is connected to an output shaft of the driving motor and extends into the filter element, and one end, located in the filter element, of the transmission shaft is connected with the stirring centrifugal paddle.

Further, the bottom cover of the device body is designed to be a detachable structure.

Furthermore, evenly be provided with a plurality of shock attenuation piece on the bottom of device body, a plurality of shock attenuation piece with the filter core butt.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model discloses in, through setting up filter core down in last filter core bottom, realize the filtration and the collection of the sewage and the large granule that subside under the gravitational force effect to the realization is to the comprehensive filtration of sewage, has improved the filter effect of sewage greatly.

Drawings

Fig. 1 is an overall schematic diagram of an embodiment of the present invention;

FIG. 2 is a top view of the middle and lower filter element of the present invention;

figure 3 is the vertical cross-section view of the large and medium particle aggregation tank of the present invention.

Reference numerals: 1. a device body; 2. a stirring centrifugal device; 21. a drive motor; 22. a drive shaft; 23. stirring a centrifugal paddle; 3. an upper filter element; 4. a lower filter element; 5. a large particle aggregation tank; 6. collecting tank; 7. a sewage inlet; 8. a sewage outlet; 9. a shock absorbing member.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1, the precision filter comprises a device body 1, a sewage inlet 7 is arranged at the top of the device body 1, a stirring centrifugal device 2 and a filter element are arranged in the device body 1, and a sewage outlet 8 is arranged at the bottom of the device body 1. The sewage inlet 7 and the sewage outlet 8 are respectively used for inputting sewage and outputting filtered sewage. Preferably, electromagnetic switches are arranged on the sewage inlet 7 and the sewage outlet 8.

During operation, sewage gets into behind the device body 1, stirs 2 work of centrifugal device, and sewage reachs the filter core under the effect of centrifugal force, filters on the filter core, and the filtration is finished the back and is discharged through sewage outlet 8, can accomplish whole filtration process.

Specifically, in one possible embodiment, as shown in fig. 1, the stirring centrifuge device 2 includes a driving motor 21, a transmission shaft 22 and a stirring centrifugal paddle 23, the driving motor 21 is mounted on the top of the device body 1, the transmission shaft 22 is connected to an output shaft of the driving motor 21 and extends into the filter element, and one end of the transmission shaft 22 located in the filter element is connected to the stirring centrifugal paddle 23. Preferably, the number of agitating paddles 23 is not limited. Like this, the during operation, driving motor 21 drive transmission shaft 22 rotates to drive stirring centrifugal impeller 23 and rotate, stir sewage, produce centrifugal force, drive sewage to device body 1 inside wall, drive promptly to the filter core on.

As also shown in fig. 1, the filter element includes an upper filter element 3 and a lower filter element 4, and the upper filter element 3 is disposed around the inner side wall of the device body 1. The number of layers of the upper filter element 3 can be set to 1 layer, 2 layers and the like according to actual conditions, so that the filtering effect can be ensured to reach the dirty degree of the sewage which needs to be filtered out actually.

The lower filter element 4 is detachably arranged at the bottom of the upper filter element 3 and is positioned above the sewage outlet 8, and the lower filter element 4 is of a hollow ellipsoidal structure with the height gradually reduced from the edge to the center. Preferably, go up filter core 3 and be connected through the connecting plate between the filter core 3, can dismantle the connection through the bolt between the connecting plate to the filter core 3 can be dismantled with lower filter core 4 in the realization and be connected. Lower filter core 4's setting for the part is failed to filter through the filterable sewage of last filter core 3 equally under the action of gravity, more importantly, the large granule impurity of adulteration in the sewage, easy direct drop to the filter bottom under the action of gravity, filter core 4 sets up the back down, large granule impurity is by filter core 4 gathering down, can not only realize large granule impurity's filtration, can help avoiding large granule impurity directly to drop to the filter bottom and the condition appearance of the filter outlet jam that arouses simultaneously.

Specifically, in one possible embodiment, as shown in fig. 2, a plurality of large particle collecting grooves 5 are uniformly formed on the top surface of the lower filter element 4 around the circumference thereof, a collecting groove 6 is disposed at the top center position of the lower filter element 4, and the plurality of large particle collecting grooves 5 extend from the outer edge of the lower filter element 4 to the collecting groove 6. Thus, the large particle impurities reaching the lower filter element 4 are collected by the large particle collecting groove 5 to the collecting groove 6.

The transverse section of the large particle gathering tank 5 is of an arc structure. Preferably, the angle of the arc-shaped structure is consistent with the rotation direction of the lower filter element 4, so that the large particles can be helped to move downwards through the large particle collecting groove 5 while rotating, and the large particles can be collected conveniently.

As shown in FIG. 3, the vertical section of the large particle collecting tank 5 is a V-shaped structure. The V-shaped structure helps to improve the inclination of the side surface of the large particle aggregation groove 5, so that the gliding speed of large particles is accelerated, and the collection of the large particles is further facilitated.

The bottom cover of the device body 1 is designed to be detachable. The connecting structure between the bottom cover and the device body 1 is the same as the connecting structure of the upper filter element 3 and the lower filter element 4, and the bottom cover and the device body are detachably connected in a bolt connection mode. Like this, after dismantling the bottom of device body 1 from device body 1, can carry out the dismantlement of lower filter core 4 to can clear up convenient operation to the large granule impurity and other impurity of collecting on it.

Evenly be provided with a plurality of damping member 9 on the bottom of device body 1, a plurality of damping member 9 and filter core butt, promptly, with the bottom butt of lower filter core 4. Preferably, the damper 9 is a damper spring or a rubber damper block. Like this, can not only play certain supporting role to lower filter core 4, guarantee the stability of lower filter core 4 in the course of the work, can also play shock attenuation cushioning effect to lower filter core 4, reduce the sewage impact that lower filter core 4 received, filter core 4 under the protection to the life of filter core 4 under the extension.

The utility model discloses a concrete implementation principle does: when filtering sewage, sewage passes through in the sewage import 7 entering device body 1, start stirring centrifugal device 2 this moment, under stirring and centrifugal effect, sewage reachs filter core 3, filter, the sewage and the large granule impurity that reachs filter core 4 down under the action of gravity are filtered and are collected by lower filter core 4, in order to realize the comprehensive filtration to sewage, after filtering, 1 bottom of dismounting device body, thereby filter core 4 is cleared up down in the dismounting, and convenient for operation, whole filter filtration effect is good.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (7)

1. A precision filter is characterized by comprising a device body (1), wherein a sewage inlet (7) is arranged at the top of the device body (1), a stirring centrifugal device (2) and a filter element are arranged in the device body (1), a sewage outlet (8) is arranged at the bottom of the device body (1),

the filter core includes filter core (3) and lower filter core (4), go up filter core (3) and follow the inside wall of device body (1) encircles a week and sets up, lower filter core (4) demountable installation in go up the bottom of filter core (3) and be located sewage outlet (8) top.

2. The precision filter according to claim 1, wherein the lower filter element (4) is a hollow ellipsoidal structure with a height gradually decreasing from an edge to a center, the top surface of the lower filter element (4) is uniformly provided with a plurality of large particle collecting grooves (5) around the circumference thereof, a collecting groove (6) is arranged at the top center position of the lower filter element (4), and the outer edges of the plurality of large particle collecting grooves (5) extend to the collecting groove (6).

3. A precision filter according to claim 2, characterized in that the lateral cross-section of the large particle collection trough (5) is of an arc-shaped configuration.

4. A precision filter according to claim 2, characterized in that the vertical cross-section of the large particle collection tank (5) is of a V-shaped configuration.

5. A precision filter according to claim 1, wherein the stirring and centrifuging device (2) comprises a driving motor (21), a transmission shaft (22) and a stirring and centrifuging paddle (23), the driving motor (21) is mounted on the top of the device body (1), the transmission shaft (22) is connected to an output shaft of the driving motor (21) and extends into the filter element, and one end of the transmission shaft (22) located in the filter element is connected with the stirring and centrifuging paddle (23).

6. A precision filter according to claim 1, characterised in that the bottom cover of the device body (1) is provided as a detachable structure.

7. A precision filter according to claim 6, characterized in that a plurality of shock absorbing members (9) are uniformly arranged on the bottom cover of the device body (1), and a plurality of shock absorbing members (9) are abutted with the filter element.

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