CN212594295U - Bag filter - Google Patents

Abstract

The utility model discloses a bag filter, it includes the shell, be equipped with the filter chamber in the shell, the bottom of shell is equipped with the inlet, the top of shell is equipped with the liquid outlet, be equipped with in the filter chamber and cross the bag, the bottom of crossing the bag is the hemisphere, the opening of crossing the bag is towards the liquid outlet, cross the inside support piece that supports the filter bag that is equipped with of bag, support piece includes that many enclose the support bar of establishing along vertical direction, the upper end of many support bars is connected through solid fixed ring, the bottom of many support bars is crooked to the center and is become the hemisphere that matches. The utility model discloses a bag filter is when filtering, and sewage gets into from the bottom inlet, and when needing to wash, clear water gets into from the upper end liquid outlet, can wash filtering the bag, and simultaneously, impurity deposition has been avoided to the support bar structure of vertical setting to the impact force of water when can not reducing the washing, makes the washing of filtering the bag cleaner.

Description

Bag filter

Technical Field

The utility model relates to the field of filtration technology, in particular to bag filter.

Background

Bag filters are common filtration devices in water treatment that intercept impurities in the water by means of filter bags, which therefore need to be cleaned and replaced regularly. The existing mode is to take out the filter bag and put the filter bag into the filter again after cleaning, and the mode wastes time and labor and affects the use efficiency of the filter.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a bag filter which is reasonable in structure and convenient to clean. The technical scheme is as follows:

the utility model provides a bag filter, its includes the shell, be equipped with the filter chamber in the shell, the bottom of shell is equipped with the inlet, the top of shell is equipped with the liquid outlet, be equipped with in the filter chamber and cross the bag, the bottom of crossing the bag is the hemisphere, the opening orientation of crossing the bag the liquid outlet, cross the inside support that is equipped with of bag the support piece of filter bag, support piece includes that many vertical directions of edge enclose the support bar of establishing, many the upper end of support bar is connected through solid fixed ring, many the bottom of support bar to the center bending become with the hemisphere that the bottom of crossing the bag matches.

As a further improvement, the filter chamber is provided with an annular assembly part, the annular assembly part be equipped with cross the pilot hole that the filter bag diameter matches, the sack and the support piece of crossing the filter bag all pass through the pilot hole with the annular assembly part is connected.

As a further improvement, be equipped with annular indent on the annular assembly spare, annular indent encloses to be located the pilot hole, the sack of crossing the filter bag all locates with solid fixed ring annular indent, be equipped with the clamping ring in the annular indent, the clamping ring will gu fixed ring compresses tightly fixedly with the sack of crossing the filter bag.

As a further improvement of the utility model, the inner wall of annular indent is equipped with the internal thread, the outer wall of clamping ring be equipped with interior screw-thread fit's external screw thread, the clamping ring passes through threaded connection with annular indent.

As a further improvement of the utility model, the outer wall of the annular assembly part is welded and fixed with the filter cavity.

As a further improvement of the utility model, the shell includes upper cover and lower part casing, upper cover and lower part casing assembly form the filter chamber, the liquid outlet is located the upper cover.

As a further improvement of the utility model, the upper cover and the lower shell are connected through bolts.

As a further improvement of the utility model, the bottom of the filter cavity is hemispherical.

As a further improvement of the utility model, the flange is installed to the inlet.

As a further improvement of the utility model, the flange is installed to the liquid outlet.

The utility model has the advantages that:

the utility model discloses bag filter is through setting up support piece in crossing the filter bag, and support piece includes that many enclose the support bar of establishing along vertical direction, and the bottom of many support bars is crooked to the center and is become and cross the hemisphere that the bag bottom matches, and during the filtration, sewage gets into from the bottom inlet, and when needing to wash, clear water gets into from the upper end liquid outlet, can wash crossing the bag, and simultaneously, impurity deposition has been avoided to the support bar structure of vertical setting to can not reduce the impact force of water when wasing, make the washing of crossing the bag cleaner.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic diagram of a bag filter according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a support member according to an embodiment of the present invention;

figure 3 is a cross-sectional view of an annular fitting in an embodiment of the invention.

Description of the labeling: 10. a housing; 11. a filter chamber; 12. a flange; 13. an upper cover; 14. a bolt; 20. a liquid inlet; 30. a liquid outlet; 40. a filter bag; 50. a support member; 51. a supporting strip; 52. a fixing ring; 60. pressing a ring; 70. an annular fitting; 71. an assembly hole; 72. and (4) annular pressing grooves.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

As shown in fig. 1, for the bag filter in the embodiment of the present invention, the bag filter includes a housing 10, a filter chamber 11 is disposed in the housing 10, a liquid inlet 20 is disposed at the bottom of the housing 10, a liquid outlet 30 is disposed at the top of the housing 10, a filter bag 40 is disposed in the filter chamber 11, the bottom of the filter bag 40 is hemispherical, an opening of the filter bag 40 faces the liquid outlet 30, and a support member 50 for supporting the filter bag 40 is disposed inside the filter bag 40. In this embodiment, both the inlet port 20 and the outlet port 30 are provided with flanges 12 for connection to external pipes.

As shown in fig. 2, the support member 50 includes a plurality of support bars 51 which are vertically enclosed, the upper ends of the plurality of support bars 51 are connected by a fixing ring 52, and the bottoms of the plurality of support bars 51 are centrally bent in a hemispherical shape matching the bottom of the filter bag 40.

In this embodiment, an annular fitting 70 is provided in the filter chamber 11, the annular fitting 70 is provided with a fitting hole 71 matching the diameter of the filter bag 40, and the mouth of the filter bag 40 and the support member 50 are connected to the annular fitting 70 through the fitting hole 71.

As shown in fig. 3, an annular pressure groove 72 is formed in the annular assembly member 70, the annular pressure groove 72 is surrounded by the assembly hole 71, the bag mouth of the filter bag 40 and the fixing ring 52 are both arranged in the annular pressure groove 72, a pressing ring 60 is arranged in the annular pressure groove 72, and the fixing ring 52 and the bag mouth of the filter bag 40 are pressed and fixed by the pressing ring 60.

In one embodiment, the inner wall of the annular pressing groove 72 is provided with an internal thread, the outer wall of the pressing ring 60 is provided with an external thread matched with the internal thread, and the pressing ring 60 is connected with the annular pressing groove 72 through the thread. The outer wall of the annular fitting 70 is welded to the filter chamber 11.

In this embodiment, the housing 10 includes an upper cover 13 and a lower casing, the upper cover 13 and the lower casing are assembled to form the filter chamber 11, and the liquid outlet 30 is disposed on the upper cover 13. Specifically, the upper cover 13 and the lower housing are connected by bolts 14.

In this embodiment, the bottom of the filter chamber 11 is hemispherical. When the filter chamber is convenient for self-cleaning, the cleaned water flows out from the liquid inlet 20 at the bottom of the filter chamber 11, and the impurity deposition at the bottom of the filter chamber 11 is avoided.

During filtration, sewage enters from the bottom liquid inlet and flows out from the upper liquid outlet, and when the filter is required to be cleaned, clear water enters from the upper liquid outlet and flows out from the bottom liquid inlet, so that impurities on the filter bag are flushed. Simultaneously, the impurity deposit when having avoided filtering is supported the structure to the vertical setting for the filter bag wash cleaner, and can not reduce the impact force of water when wasing.

The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims (10)

1. The utility model provides a bag filter, a serial communication port, which comprises an outer shell, be equipped with the filter chamber in the shell, the bottom of shell is equipped with the inlet, the top of shell is equipped with the liquid outlet, be equipped with in the filter chamber and cross the filter bag, the bottom of crossing the filter bag is the hemisphere, the opening orientation of crossing the filter bag the liquid outlet, cross the inside support that is equipped with of filter bag the support piece of filter bag, support piece includes many support bars of establishing, many are enclosed along vertical direction the upper end of support bar is connected through solid fixed ring, many the bottom of support bar to the center bending become with the hemisphere that the bottom of crossing the filter.

2. The bag filter of claim 1 wherein an annular fitting is provided in the filter chamber, the annular fitting having a fitting hole matching the diameter of the filter bag, the filter bag mouth and support member each being connected to the annular fitting through the fitting hole.

3. The bag filter of claim 2, wherein the annular assembly member is provided with an annular pressure groove, the annular pressure groove is surrounded by the assembly hole, the bag opening of the filter bag and the fixing ring are both arranged in the annular pressure groove, and a pressure ring is arranged in the annular pressure groove and presses and fixes the fixing ring and the bag opening of the filter bag.

4. The bag filter of claim 3, wherein the inner wall of the annular pressure groove is provided with an internal thread, the outer wall of the pressing ring is provided with an external thread matched with the internal thread, and the pressing ring is in threaded connection with the annular pressure groove.

5. The bag filter of claim 2, wherein the outer wall of the annular fitting is welded to the filter cavity.

6. The bag filter of claim 1, wherein the housing comprises an upper cover and a lower housing assembled to form the filter cavity, the liquid outlet being provided in the upper cover.

7. The bag filter of claim 6, wherein the upper cover and the lower housing are connected by bolts.

8. The bag filter of claim 1, wherein the bottom of the filter cavity is hemispherical.

9. The bag filter of claim 1, wherein the inlet port is flanged.

10. The bag filter of claim 1, wherein the spout is flanged.

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