CN213313726U

CN213313726U - Filtering device for reducing blockage of ejector

Info

Publication number: CN213313726U
Application number: CN202021733938.1U
Authority: CN
Inventors: 陈明
Original assignee: Saideli Jiangsu Fiber Co ltd
Current assignee: Saideli Jiangsu Fiber Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-06-01
Anticipated expiration: 2030-08-18

Abstract

The utility model discloses a filtering device for reducing the blockage of an ejector, which comprises an ejector positioned in a biochemical pool and an ejector positioned outside the biochemical pool; the inlet of the jet pump is communicated with the biochemical pool through a pipeline, and the outlet of the jet pump is communicated with the jet device through a pipeline; two filter mechanisms which can be switched to use are arranged on an inlet pipeline of the jet pump; the filtering mechanism comprises a filtering net and a supporting component; the supporting component comprises a flange, an inner framework which is fixed on the flange and is integrally formed with the flange, and an outer framework which is used for fixing the filter screen on the inner framework; two filter mechanisms which can be switched to use are additionally arranged on an inlet pipeline of the jet pump, and one filter mechanism is always kept in a use state by the two filter mechanisms, so that the influence on the whole production when the filter screen is cleaned is avoided; the inner framework enhances the impact strength of the filter screen; the whole filtering mechanism is simple in structure and low in cost, and can effectively reduce the blockage of the ejector.

Description

Filtering device for reducing blockage of ejector

Technical Field

The utility model relates to a technical field of ejector especially relates to a reduce filter equipment of ejector jam.

Background

The biochemical pool of the sewage plant has impurities inside due to the existence of various factors, so that the jet device is easy to block, the aeration uniformity of the biochemical pool is further influenced, and the treatment effect of the biochemical pool is finally and directly influenced; at present, a filtering and blocking device is not arranged in the sewage circulating process of an aeration pipeline of a biochemical tank of a sewage plant, so that an ejector is frequently blocked; if the jet device is blocked and the pool is removed for cleaning, a large amount of time and investment are wasted successively, and even workshop production is affected.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves is: the filter device capable of reducing the blockage of the ejector is simple in structure and low in cost.

In order to solve the main technical problems, the following technical scheme is adopted:

a filter device for reducing the blockage of a jet device comprises the jet device positioned in a biochemical pool and a jet pump positioned outside the biochemical pool; the inlet of the jet pump is communicated with the biochemical pool through a pipeline, and the outlet of the jet pump is communicated with the jet device through a pipeline; two filter mechanisms which can be switched to use are arranged on an inlet pipeline of the jet pump; the filtering mechanism comprises a filtering net and a supporting component; the supporting component comprises a flange, an inner framework which is fixed on the flange and is integrally formed with the flange, and an outer framework which fixes the filter screen on the inner framework.

Preferably, the filter screen is conical and is made of corrosion-resistant stainless steel; the small-diameter end face of the filter screen faces to an inlet of the jet pump, and the large-diameter end face faces to the biochemical pool.

Preferably, the large-diameter end of the filter screen is integrally formed with a folded lug which extends outwards and is flush with the end face of the flange.

Preferably, the endoskeleton includes three support rods forming a tapered structure; the surface of the supporting rod is provided with a plurality of through holes; the outer skeleton comprises three spring steel plates forming a conical structure; the end face, close to the flange, of the spring steel plate is provided with an ear seat which is flush with the surface of the flange; the ear seat is fixed on the flange through a pressing ring.

Preferably, the spring steel plate is consistent with the size of the supporting plate; the surface of the spring steel plate is also provided with a plurality of through holes; when the outer framework is arranged on the surface of the filter net, the spring steel plates and the support rods are correspondingly superposed one by one.

Preferably, the diameter of the through holes on the support rod and the spring steel plate is larger than that of the filtering holes of the filter screen.

Preferably, the filter mechanism further comprises an inlet valve and an outlet valve.

Compared with the prior art, the utility model discloses be applied to sewage plant biochemical pond and possess following advantage:

(1) two filter mechanisms which can be used in a switching mode are added to an inlet pipeline of the jet pump, and the two filter mechanisms always keep one filter mechanism in a use state, so that the whole production is prevented from being influenced when the filter screen is cleaned.

(2) The filtering mechanism comprises a filter screen and a supporting component; the support assembly comprises an inner framework and an outer framework, the inner framework enhances the impact strength of the filter screen, and the outer framework fixes the filter screen and the inner framework; the filter screen, the inner framework and the outer framework are all conical, and the connection among the filter screen, the inner framework and the outer framework is simple and reliable; the whole filtering mechanism is simple in structure and low in cost, and can effectively reduce the blockage of the ejector.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some examples of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive work.

Fig. 1 is a schematic view of an overall structure provided in an embodiment of the present invention;

fig. 2 is a schematic top view of a filtering mechanism according to an embodiment of the present invention;

fig. 3 is a schematic top view of the inner frame according to an embodiment of the present invention.

In the figure: the biochemical sewage treatment device comprises a biochemical pool 1, a jet ejector 2, a jet pump 3, a filtering mechanism 4, a filtering net 41, a flange 42, an inner framework 43, a supporting rod 431, an outer framework 44, a spring steel plate 441, a pressing ring 45, an inlet valve 46 and an outlet valve 47.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to specific implementation conditions.

Referring to fig. 1-3, a filter device for reducing the clogging of a jet device includes a jet device 2 located inside a biochemical tank 1, and a jet pump 3 located outside the biochemical tank 1; the inlet of the jet pump 3 is communicated with the biochemical pool 1 through a pipeline, and the outlet of the jet pump 3 is communicated with the jet device 2 through a pipeline; the structures and the installation positions of the jet pump 3 and the jet device 2 are determined according to the prior art; two filter mechanisms 4 which can be switched to use are arranged on an inlet pipeline of the jet pump 3; each of said filtering means 4 comprises an inlet valve 46 and an outlet valve 47; when the inlet valve 46 and the outlet valve 47 of the first filtering mechanism 4 are both in a closed state and the inlet valve 46 and the outlet valve 47 of the second filtering mechanism 4 are both in an open state, the second filtering mechanism 4 is in a working state, and the first filtering mechanism 4 is in a standby state to clean and replace a filter screen; two filtering mechanism 4 switch over the use, one opens one and is equipped with and can avoid shutting down the clearance, influence production.

The filter mechanism 4 further comprises a filter screen 41 and a support assembly; the filter screen 41 is of a conical structure and is made of corrosion-resistant stainless steel, a plurality of filter holes are uniformly distributed in the filter screen 41, and the diameter of each filter hole is 20 mm; the small-diameter end face of the filter screen 41 faces the inlet of the jet pump 3, the large-diameter end face faces the biochemical pool 1, and the filter screen 41 with the conical structure can reduce the impact of liquid on the filter screen 41.

The supporting component comprises a flange 42, an inner framework 43 which is fixed on the flange 42 and is integrally formed with the flange 42, and an outer framework 44 which fixes the filter screen 41 on the inner framework 43; the inner frame 43 includes three support rods 431 forming a tapered structure; one end of the three support rods 431 is fixed to a certain position, and the other end is fixed to the surface of the flange 42 in a conical shape; the three support rods 431 are uniformly distributed relative to the surface of the flange 42; the surface of each support rod 431 is provided with a plurality of through holes, and the diameter of each through hole is larger than the diameter of the filtering hole of the filter screen 41; the filter screen 41 is sleeved outside the inner frame 43 from the small-diameter end of the inner frame 43, and the three support rods 431 in the inner frame 43 are equivalent to three reinforcing ribs, so that the impact resistance of the filter screen 41 is enhanced.

The exoskeleton 44 includes three spring steel plates 441 in a tapered configuration; one ends of the three spring steel plates 441 are fixed together, the bottoms of the three spring steel plates are outwards expanded to be conical, the conical shape formed by the three spring steel plates is sleeved on the outer side of the filter screen 41 and tightly pressed on the outer side of the filter screen 41 under the action of the elasticity of the three spring steel plates; for further fixing the three spring steel plates 441, an ear seat flush with the surface of the flange 42 is arranged on the end surface of each spring steel plate 441 close to the flange 42; a pressing ring 45 is further fixed on the outer side of the ear seat, and the pressing ring 45 is provided with a threaded hole corresponding to the flange 42; in order to further ensure the fixing effect of the outer framework 44 on the filter screen 41, the large-diameter end of the filter screen 41 is integrally formed with a folded lug which extends outwards and is flush with the end face of the flange 42; namely, the folded lug of the filter screen 41, the lug seat of the spring steel plate 441 and the pressing ring 45 are sequentially overlapped on the end surface of the flange 42; the spring steel plate 441 is also provided with a plurality of through holes, and the diameter of each through hole is also larger than the diameter of the filtering hole of the filter screen 41; the support rod 431 and the spring steel plate 441 are the same in size; when the outer framework 44 is installed on the surface of the filter screen 41, the spring steel plates 441 correspond to the support rods 431 one by one and are overlapped with each other; since the support rod 431 and the spring steel plate 441 directly contact with the sewage, they should be made of corrosion-resistant materials, and the specific materials are determined according to the components of the sewage.

The utility model discloses a working process does: when one of the filter mechanisms 4 is blocked and needs to be cleaned, the inlet valve 46 and the outlet valve 47 in front of and behind the filter mechanism 4 are closed, and the inlet valve 46 and the outlet valve 47 of the other filter mechanism 4 are opened; the filter mechanism 4 to be cleaned is detached from the pipeline, and the filter screen 41 is backwashed by clean water; when the filter screen 41 needs to be replaced, the pressing ring 45 is taken down from the flange 42, the outer framework 44 and the filter screen 41 are taken out from the inner framework 43 in sequence, the inner framework 43 and the outer framework 44 are washed, a new filter screen 41 is sleeved on the outer surface of the inner framework 43, the outer framework 44 and the pressing ring 45 are installed in sequence, and finally the filter mechanism 4 with the filter screen 41 installed is installed on a pipeline and can be put into reserve.

It should be noted that, in the present invention, "upper, lower, left, right, inner and outer" are defined based on the relative position of the components in the drawings, and are only for the clarity and convenience of describing the technical solution, it should be understood that the application of the directional terms does not limit the protection scope of the present application.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or some of the technical features may be substituted by equivalent substitutions, modifications and the like, all of which are within the spirit and principle of the present invention.

Claims

1. A filter device for reducing blockage of a jet device is characterized in that: comprises a jet device positioned in the biochemical pool and a jet pump positioned outside the biochemical pool; the inlet of the jet pump is communicated with the biochemical pool through a pipeline, and the outlet of the jet pump is communicated with the jet device through a pipeline; two filter mechanisms which can be switched to use are arranged on an inlet pipeline of the jet pump;

the filtering mechanism comprises a filtering net and a supporting component; the supporting component comprises a flange, an inner framework which is fixed on the flange and is integrally formed with the flange, and an outer framework which fixes the filter screen on the inner framework.

2. The filter assembly of claim 1 for reducing clogging of a jet ejector, wherein: the filter screen is conical and is made of corrosion-resistant stainless steel; the small-diameter end face of the filter screen faces to an inlet of the jet pump, and the large-diameter end face faces to the biochemical pool.

3. The filter assembly of claim 2, wherein the filter assembly is configured to reduce clogging of the ejector by: the big footpath end integrated into one piece of filter screen is outside to extend and with the ear of folding of flange terminal surface parallel and level.

4. The filter assembly of claim 1 for reducing clogging of a jet ejector, wherein: the inner skeleton comprises three support rods forming a conical structure; the surface of the supporting rod is provided with a plurality of through holes; the outer skeleton comprises three spring steel plates forming a conical structure; the end face, close to the flange, of the spring steel plate is provided with an ear seat which is flush with the surface of the flange; the ear seat is fixed on the flange through a pressing ring.

5. The filter assembly of claim 4 for reducing clogging of a jet ejector, wherein: the spring steel plate and the support plate are consistent in size; the surface of the spring steel plate is also provided with a plurality of through holes; when the outer framework is arranged on the surface of the filter net, the spring steel plates and the support rods are correspondingly superposed one by one.

6. The filter assembly of claim 4 for reducing clogging of a jet ejector, wherein: the diameter of the through holes on the support rod and the spring steel plate is larger than that of the filter holes of the filter screen.

7. The filter assembly of claim 1 for reducing clogging of a jet ejector, wherein: the filter mechanism further includes an inlet valve and an outlet valve.