CN219957269U

CN219957269U - Experimental device for survey filter medium permeation rate

Info

Publication number: CN219957269U
Application number: CN202320112211.9U
Authority: CN
Inventors: 穆毅; 王坚伟; 陈繁; 易威; 陈勇; 范文杰; 史俊毅
Original assignee: Shanghai Tongsheng Environmental Protection Technology Co ltd
Current assignee: Shanghai Tongsheng Environmental Protection Technology Co ltd
Priority date: 2023-01-16
Filing date: 2023-01-16
Publication date: 2023-11-03
Anticipated expiration: 2033-01-16

Abstract

The utility model provides an experimental device for measuring the permeation rate of a filter medium, which comprises a lower water tank (3), wherein an upper water tank (1) is supported at the top of the lower water tank (3) through a middle frame (2), and a plurality of connecting pipelines (4) which are used for communicating the upper water tank (1) with the lower water tank (3) are arranged at the peripheries of the upper water tank (1) and the lower water tank (3); the method is characterized in that: an overflow weir (5) is arranged in the upper water tank (1), a filter tank (7) is arranged in the overflow weir (5), a filter medium is arranged at the bottom of the filter tank (7), and an adjusting and clamping assembly is further arranged at the bottom of the filter medium; the water supply and the water collection recycling are realized, the waste of water resources is avoided, and meanwhile, the experiment cost is reduced; the water supply application range is enlarged, the disassembly of the filter medium can be realized, the assembly and the disassembly are simple and convenient, and the quick replacement of the filter medium is convenient.

Description

Experimental device for survey filter medium permeation rate

Technical Field

The utility model relates to the technical field of experimental devices, in particular to an experimental device for measuring the permeation rate of a filter medium.

Background

The permeation rate of the filter medium determines the water drainage rate after filtration, so that the filter medium has important significance for realizing uniform flow drainage.

Related schemes of experimental devices related to the permeation rate of a filter medium have been presented in the prior art, for example, see patent application publication number CN205275361U, which discloses a laboratory coagulation-membrane filtration pilot plant, which can be used for comparing membranes with different materials and different pore diameters by installing a membrane module in a membrane reactor, and aerating under the membrane module, so that the effects of homogenizing water quality and slowing down membrane pollution can be achieved.

However, this solution has the following drawbacks in practical use:

1) The experiment process needs frequent water inflow, can not realize the cyclic utilization of water supply and water collection, and improves experiment cost while wasting water resources.

2) The water supply rate can not be adjusted according to the needs, and the single water supply rate can not meet the actual needs of various experimental conditions, so that the application range is narrow.

3) The loading and unloading of filter media are comparatively complicated, are unfavorable for the quick replacement of filter media who uses in the experiment.

Accordingly, there is a need to provide an experimental apparatus for determining the permeation rate of a filter medium, which overcomes the above-mentioned drawbacks and deficiencies of the prior art.

Disclosure of Invention

In order to solve the defects and shortcomings in the prior art, the utility model provides an experimental device for measuring the permeation rate of a filter medium.

The specific scheme provided by the utility model is as follows:

an experimental device for measuring the permeation rate of a filter medium comprises a lower water tank, wherein an upper water tank is supported at the top of the lower water tank through a middle frame, and a plurality of connecting pipelines for communicating the upper water tank with the lower water tank are arranged at the periphery of the upper water tank and the lower water tank; the method is characterized in that: an overflow weir is arranged in the upper water tank, a filter tank is arranged in the overflow weir, a filter medium is arranged at the bottom of the filter tank, and an adjusting and clamping assembly is further arranged at the bottom of the filter medium.

As a further preferred embodiment of the present utility model, the lower tank is internally preloaded with the test water.

As a further preferred embodiment of the present utility model, the connection pipes connecting the upper tank and the lower tank are provided at left, right and rear sides of the upper tank and the lower tank, respectively.

As a further preferred embodiment of the present utility model, the connecting pipe includes a pipe body, the bottom of the pipe body is located in the lower water tank and is connected with a water pump, the top of the pipe body extends into the upper water tank, and a valve and a flowmeter are respectively connected in the middle of the pipe body.

As a further preferred embodiment of the present utility model, the water pump flow rates of the connection pipes of the left, right and rear sides of the upper and lower tanks are different from each other.

As a further preferred embodiment of the present utility model, the overflow weir is a constant-height overflow weir, and the height of the overflow weir is lower than the height of the upper tank.

As a further preferred embodiment of the utility model, the inner wall of the overflow weir is provided with an energy dissipation module, and the height of the energy dissipation module is higher than the height of the overflow weir.

As a further preferable embodiment of the present utility model, the filter tank is provided as a bucket tank having a large upper part and a small lower part.

As a further preferred embodiment of the present utility model, the adjusting clamping assembly comprises a clamping device and a locking device, one end of the clamping device is hinged with the middle frame through a rotating shaft, the other end of the clamping device can swing around the rotating shaft, and the locking device is arranged at the bottom of the clamping device.

As a further preferred embodiment of the utility model, the locking means are supported on the central frame by means of locking brackets and are in sliding engagement with the bottom of the clamping means.

Compared with the prior art, the utility model has the following technical effects:

1) The utility model provides an experimental device for measuring the permeation rate of a filter medium, wherein a lower water tank is used as a water supply device and a water receiving device of the whole experimental device, experimental water is filled in the lower water tank in advance before an experiment starts, water in the lower water tank is sent into an upper water tank through a connecting pipeline after the experiment starts, and the experimental water slowly flows out through a filter tank and is discharged into the lower water tank, so that the water supply and the water receiving recycling are realized, the waste of water resources is avoided, and the experiment cost is reduced.

2) The utility model provides an experimental device for measuring the permeation rate of a filter medium, wherein connecting pipelines for communicating an upper water tank and a lower water tank are respectively arranged at the left side, the right side and the rear side of the upper water tank and the lower water tank; and the water pump flow is different from each other, so that the water supply rate can be adjusted according to the requirement, the water supply rates of different water pumps with different flow can meet the actual requirements of various experimental conditions, and the water supply application range is enlarged.

3) The utility model provides an experimental device for measuring the permeation rate of a filter medium, which comprises a clamping device and a locking device, wherein the clamping device is provided with an adjusting clamping assembly comprising the clamping device and the locking device, when the filter medium is installed, the locking device is outwards slid, so that the clamping device can flexibly swing, the filter medium is conveniently arranged at the bottom of a filter tank and is positioned above the clamping device, then the locking device is inwards slid and fixed, and the clamping device is locked, so that the filter medium is tightly fixed with the bottom of the filter tank; on the contrary, the clamping device can swing flexibly by outwards sliding the extraction locking device, namely, the disassembly of the filter medium can be realized, the assembly and the disassembly are simple and convenient, and the quick replacement of the filter medium is convenient.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a top view of the structure of the present utility model.

Fig. 3 is a front cross-sectional view of the present utility model.

Fig. 4 is a side cross-sectional view of the present utility model.

Fig. 5 is a schematic structural view of a connecting pipe according to the present utility model.

Fig. 6 is an enlarged view of the structure of the adjustable clamping assembly of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

First embodiment

As shown in fig. 1-6, a first embodiment of the present utility model is provided, which provides an experimental apparatus for measuring a permeation rate of a filter medium, the experimental apparatus includes a lower tank 3, an upper tank 1 is supported on the top of the lower tank 3 through a middle frame 2, a plurality of connection pipes 4 for connecting the upper tank 1 and the lower tank 3 are provided on the outer circumferences of the upper tank 1 and the lower tank 3, and the middle frame 2 can simultaneously support the upper tank 1 and the connection pipes 4; an overflow weir 5 is arranged in the upper water tank 1, a filter tank 7 is arranged in the overflow weir 5, a filter medium is arranged at the bottom of the filter tank 7, and an adjusting and clamping assembly is also arranged at the bottom of the filter medium. In this embodiment, the lower water tank 3 is used as a water supply device and a water receiving device of the whole experimental device, before the experiment is started, the experimental water in the lower water tank can be sent into the upper water tank 1 through the connecting pipeline 4 after the experiment is started by pre-filling the experimental water in the lower water tank 3, and the experimental water slowly flows out and is discharged into the lower water tank 3 through the overflow weir 5 and the filter tank 7, so that the water supply and the water receiving recycling are realized, the waste of water resources is avoided, and the experiment cost is reduced.

As shown in fig. 2, in the present embodiment, the connection pipes 4 for connecting the upper tank 1 and the lower tank 3 are respectively provided at the left, right and rear sides of the upper tank 1 and the lower tank 3, and the water pumps 42 of the connection pipes 4 located at the left, right and rear sides of the upper tank 1 and the lower tank 3 are different in flow rate, so that the water supply demands of different rates are realized through the connection pipes 4 at different positions.

As shown in fig. 5, the connecting pipe 4 in this embodiment includes a pipe body 41, the bottom of the pipe body 41 is located inside the lower water tank 3 and is connected with a water pump 42, the top of the pipe body 41 extends into the upper water tank 1, and a valve 43 and a flowmeter 44 are respectively connected to the middle of the pipe body 41. The water pump 42 is arranged in the lower water tank 3, water in the lower water tank 3 is lifted and conveyed into the connecting pipeline 4, the connecting pipeline 4 can be fixed on the middle frame through a binding belt, the valve 43 is used for adjusting the water supply quantity through the flowmeter 44 in real time, the flowmeter 44 is arranged close to the outer wall of the upper water tank 2, and graduation marks can be arranged on the outer wall of the flowmeter 44 so as to observe the readings.

In this embodiment, as shown in fig. 2-3, the overflow weir 5 is a constant-height overflow weir, and the height of the overflow weir 5 is lower than that of the upper water tank 1, so that the water in the upper water tank 1 uniformly enters the overflow weir 5 from the inside of the upper water tank 1 after exceeding the height of the overflow weir 5. In this embodiment, the inner wall of overflow weir 5 is provided with energy dissipation module 6, and the height of energy dissipation module 6 is higher than the height of overflow weir 5, and energy dissipation module 6 can make the rivers impact that the rivers that fall from the weir mouth of overflow weir 5 bring reduce, lets the liquid level in the water tank more stable, is convenient for observe. As shown in fig. 4 and 6, the filter tank 7 in this embodiment is configured as a bucket-shaped tank with a large top and a small bottom, so that the water body entering the filter tank 7 can freely fall along the tank wall, the water body enters through the top inlet of the filter tank 7, and the bottom of the filter tank 7 serves as a contact surface for fixing the filter medium.

As shown in fig. 4 to 6, the adjusting clamping assembly in this embodiment includes a clamping device 8 and a locking device 9, one end of the clamping device 8 is hinged to the middle frame 2 through a rotating shaft 10, the other end of the clamping device 8 can swing around the rotating shaft 10, and the locking device 9 is disposed at the bottom of the clamping device 8. The locking means 9 is supported on the central frame 2 by means of locking brackets 11 and is in sliding engagement with the bottom of the clamping means 8. When the filter medium is installed, the locking device 9 is slid outwards, so that the clamping device 8 can swing around the rotating shaft 10 flexibly, when the clamping device 8 swings anticlockwise around the rotating shaft 10 to be opened to be thick in fig. 4, so that the filter medium is conveniently filled into the bottom of the filter tank 7, then the clamping device 8 is rotated clockwise to enable the top of the clamping device to be attached to the filter medium, then the locking device 9 is slid inwards to be fixed between the clamping device 8 and the locking bracket 11, and the clamping device 8 is locked, so that the filter medium is tightly fixed with the bottom of the filter tank 7; on the contrary, the clamping device 8 can swing flexibly by sliding outwards to draw out the locking device 9, namely, the disassembly of the filter medium can be realized, the assembly and the disassembly are simple and convenient, and the quick replacement of the filter medium is convenient. As a preference for this embodiment, the locking means 9 may be a slide pin or the like, which is common in the mechanical field.

The working principle of the embodiment is as follows:

the lower water tank 3 is used as a water supply device of the whole experimental device and is also used as a water collecting device, experimental water is pre-filled in the lower water tank 3 before an experiment starts, water in the lower water tank 3 is fed into the upper water tank 1 through the connecting pipeline 4 after the experiment starts, and the experimental water slowly flows out through the filter tank 7 and is discharged into the lower water tank 3, so that the water supply and water collection recycling is realized, the waste of water resources is avoided, and the experiment cost is reduced.

In the embodiment, the connecting pipelines 4 for communicating the upper water tank 1 and the lower water tank 3 are respectively arranged at the left side, the right side and the rear side of the upper water tank 1 and the lower water tank 3; and the flow of the water pumps 41 is different, so that the water supply rate can be adjusted according to the requirement, the water supply rates of different flow of different water pumps 41 meet the actual requirements of various experimental conditions, and the water supply application range is enlarged.

By arranging the adjusting clamping assembly comprising the clamping device 8 and the locking device 9, when the filter medium is installed, the locking device 8 is slid outwards, so that one end of the clamping device 9 can flexibly swing around the rotating shaft 10, the filter medium is conveniently placed into the bottom of the filter tank 7 and is positioned above the clamping device, then the locking device 9 is slid inwards to be fixed, and the clamping device 8 is locked, so that the filter medium is tightly fixed with the bottom of the filter tank 9; on the contrary, the clamping device 8 can swing flexibly by sliding outwards to draw out the locking device 9, namely, the disassembly of the filter medium can be realized, the assembly and the disassembly are simple and convenient, and the quick replacement of the filter medium is convenient.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An experimental device for measuring the permeation rate of a filter medium, the experimental device comprises a lower water tank (3), an upper water tank (1) is supported at the top of the lower water tank (3) through a middle frame (2), and a plurality of connecting pipelines (4) which are used for communicating the upper water tank (1) with the lower water tank (3) are arranged at the periphery of the upper water tank (1) and the lower water tank (3); the method is characterized in that: an overflow weir (5) is arranged in the upper water tank (1), a filter tank (7) is arranged in the overflow weir (5), a filter medium is arranged at the bottom of the filter tank (7), and an adjusting and clamping assembly is further arranged at the bottom of the filter medium.

2. An experimental set-up for determining the permeation rate of a filter medium according to claim 1, wherein: the lower water tank (3) is internally preloaded with experimental water.

3. An experimental set-up for determining the permeation rate of a filter medium according to claim 1, wherein: connecting pipelines (4) for communicating the upper water tank (1) and the lower water tank (3) are respectively arranged at the left side, the right side and the rear side of the upper water tank (1) and the lower water tank (3).

4. An experimental set-up for determining the permeation rate of a filter medium according to claim 3, wherein: the connecting pipeline (4) comprises a pipeline body (41), the bottom of the pipeline body (41) is located in the lower water tank (3) and is connected with a water pump (42), the top of the pipeline body (41) stretches into the upper water tank (1), and the middle of the pipeline body (41) is further connected with a valve (43) and a flowmeter (44) respectively.

5. An experimental setup for determining the permeation rate of a filter medium according to claim 4, wherein: the water pump (42) flow rates of the connecting pipelines (4) at the left side, the right side and the rear side of the upper water tank (1) and the lower water tank (3) are different.

6. An experimental set-up for determining the permeation rate of a filter medium according to claim 1, wherein: the overflow weir (5) is equal-height, and the height of the overflow weir (5) is lower than that of the upper water tank (1).

7. An experimental set-up for determining the permeation rate of a filter medium according to claim 1, wherein: the inner wall of the overflow weir (5) is provided with an energy dissipation module (6), and the height of the energy dissipation module (6) is higher than that of the overflow weir (5).

8. An experimental set-up for determining the permeation rate of a filter medium according to claim 1, wherein: the filter tank (7) is a bucket-shaped tank with a large upper part and a small lower part.

9. An experimental set-up for determining the permeation rate of a filter medium according to claim 1, wherein: the adjusting clamping assembly comprises a clamping device (8) and a locking device (9), one end of the clamping device (8) is hinged with the middle frame (2) through a rotating shaft (10), the other end of the clamping device (8) can swing around the rotating shaft (10), and the locking device (9) is arranged at the bottom of the clamping device (8).

10. An experimental set-up for determining the permeation rate of a filter medium according to claim 9, wherein: the locking device (9) is supported on the middle frame (2) through a locking bracket (11) and is in sliding fit with the bottom of the clamping device (8).