CN216350209U - Device for testing length and flow rate of filter element of glass ball filter material and stress relation of filter layer - Google Patents
Device for testing length and flow rate of filter element of glass ball filter material and stress relation of filter layer Download PDFInfo
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- CN216350209U CN216350209U CN202122758860.XU CN202122758860U CN216350209U CN 216350209 U CN216350209 U CN 216350209U CN 202122758860 U CN202122758860 U CN 202122758860U CN 216350209 U CN216350209 U CN 216350209U
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Abstract
The utility model discloses a device for testing the relation between the length and the flow rate of a glass ball filter element and the stress of a filter layer, which comprises a first filter chamber, a second filter chamber and a third filter chamber, wherein the first filter chamber, the second filter chamber and the third filter chamber are all provided with transparent organic glass tubes with the inner diameter of 100mm and the height of 1000mm, and pressure gauges are connected to pressure measuring and material taking holes which are arranged on the first filter chamber, the second filter chamber and the third filter chamber at intervals of the height of 100mm and used for measuring the pressure difference in the filter layer. The device for testing the relation between the length of the glass ball filter element and the flow velocity and the stress of the filter layer can develop the change conditions of the turbidity of filtered water, the pressure difference between the inlet and the outlet of the filter layer and the instantaneous flow of the filtered water along with the time under the condition of the same muddy water mass fraction, so that the one-to-one corresponding relation between the length of the filter element and the instantaneous flow velocity, the initial flow velocity and the filtering flow velocity of different filter layers is obtained through testing, and a mathematical relational expression is established.
Description
Technical Field
The utility model relates to the technical field of glass ball filter materials, in particular to a device for testing the relation between the length and the flow rate of a filter element of a glass ball filter material and the stress of a filter layer.
Background
The glass ball filter material is used as a novel environment-friendly filter material, has the characteristics of stable physical and chemical properties, wear resistance and small loss of a filter head, and is applied to the water treatment industry abroad. The filtering and back-flushing principle of the glass filter material in the micro-irrigation equipment is similar to that of a sandstone filter material, the glass filter material has the characteristics of strong dirt intercepting capability and convenience in cleaning the filter material, organic impurities and inorganic impurities which block a filter head in filtered water can be effectively filtered, and the high-efficiency operation of the micro-irrigation filter equipment is ensured.
Along with the increase of the national environment protection, the environmental pollution caused by the exploitation of quartz sand is one disadvantage in the popularization and application of the quartz sand, the surface layer filtering phenomenon exists in the filtering process of the quartz sand, the back washing is started when the filter material in the filtering layer does not fully play the role of interception, the large head loss is the other disadvantage in the use process, and in the operation process of the filter equipment, the large head loss of the filtering layer of the filter means that an additional head is required to be provided by a power system to make up the head loss of the part. The glass filter material is a novel environment-friendly filter material, the physicochemical property is similar to quartz sand, the research in the domestic water field is less at present, the research on the application of the glass filter material to domestic water and sewage treatment is not clear, therefore, a device capable of testing the filter element length, the flow rate and the stress relation of the filter layer of the glass ball filter material is needed, so as to obtain the one-to-one correspondence relation between the filter element length and different filter layers, the initial flow rate and the filtering flow rate, and establish a mathematical relational expression, and in the seepage process, the mathematical relational expression of the local pressures of different layers from top to bottom of the filter material and the mathematical relational expression of the cleaning pressure drop of the filter material and the particle size of filter material particles are obtained.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for testing the relation between the length and the flow rate of a glass ball filter element and the stress of a filter layer, so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a testing device for the length and flow rate of a glass ball filter element and stress relation of a filter layer comprises a first filter chamber, a second filter chamber and a third filter chamber, wherein the first filter chamber, the second filter chamber and the third filter chamber are all transparent organic glass tubes with the inner diameter of 100mm and the height of 1000mm, and pressure gauges are connected to pressure measuring and material taking holes formed in the first filter chamber, the second filter chamber and the third filter chamber at intervals of 100mm and used for measuring pressure difference inside the filter layer; two ends of the first filtering chamber, the second filtering chamber and the third filtering chamber are sealed through end sockets, and filtering caps are mounted at the end sockets at the lower ends of the first filtering chamber, the second filtering chamber and the third filtering chamber and used for guaranteeing water distribution uniformity, wherein the specification of the filtering caps adopts 0.5m3/h filtering caps, and the gap width is 0.3 mm;
the filter materials are filled in the first filter chamber, the second filter chamber and the third filter chamber, the filling height of the filter materials is 500mm, and three filter materials are arranged in three filter columns and are respectively a quartz sand filter material, a glass ball filter material and a cullet filter material;
the electromagnetic flow meter and the inlet pressure gauge are arranged on a pipeline at the water inlet of the filter, and the electromagnetic flow meter is used for displaying the flow rate of the filter and the back flush;
and an outlet pressure gauge arranged on the filtering water outlet pipeline and a valve arranged on the back washing water inlet pipeline.
Furthermore, the top ends of the first filtering chamber, the second filtering chamber and the third filtering chamber are respectively connected with a pipeline provided with a filtering water inlet and a backwashing water outlet, and a valve is arranged on the pipeline.
Furthermore, the bottom ends of the first filtering chamber, the second filtering chamber and the third filtering chamber are respectively connected with a pipeline provided with a backwashing water inlet and a filtering water outlet, the pipeline is provided with a valve and is connected with a pipeline, the pipeline is provided with a valve, and the pipeline at the backwashing water inlet is provided with an electromagnetic flowmeter.
Furthermore, the relationship between the particle diameter of the filter material and the radius of the particles with the largest gaps is as follows,
wherein the diameter of the filter material particles is ds。
Compared with the prior art, the utility model has the beneficial effects that: the device for testing the relation between the length of the filter element of the glass ball filter material and the flow velocity and the stress of the filter layer adopts 3 transparent organic glass tubes with the inner diameter of 100mm and the height of 1000mm as a main filter chamber, the filling height of the filter material is 500mm, a pressure gauge is connected on a pressure measuring material taking hole which is designed on the organic glass tube every 100mm, the change conditions of the turbidity water turbidity, the filter layer inlet-outlet pressure difference and the filter layer instantaneous flow along with time are developed under the condition of the same turbidity water mass fraction, and the change conditions of the filter water turbidity, the filter layer inlet-outlet pressure difference and the filter layer instantaneous flow along with time are developed under the conditions of different filter element lengths and the same turbidity water mass fraction, so that the relation between the filter element length of the filter material and the passing instantaneous flow velocity of different filter layers is obtained through testing, the initial flow velocity and the filter flow velocity are in one-to one correspondence, a mathematical relation is established, and the device is convenient to use in the seepage process, obtaining a mathematical relational expression of the local pressures of different layers of the filter material from top to bottom and a mathematical relational expression of the cleaning pressure drop of the filter material and the particle size of the filter material particles.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a geometric derivative of the present invention through the largest particle of the gap.
In the figure: 1. the water filter comprises a water inlet filter body, a water outlet filter body, a back flush water inlet filter body, a back flush water outlet filter body, a back flush outlet filter body, a back flush outlet, a back filter body, a back flush filter body, a back filter body, a back.
Detailed Description
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
Referring to fig. 1, the present invention provides a technical solution: a testing device for the length, flow rate and stress relation of a filter element of a glass ball filter material comprises a first filtering chamber 9, a second filtering chamber 10 and a third filtering chamber 11, wherein the first filtering chamber 9, the second filtering chamber 10 and the third filtering chamber 11 are all made of transparent organic glass tubes with the inner diameter of 100mm and the height of 1000mm, and pressure gauges 14 are connected to pressure measuring and material taking holes which are formed in the first filtering chamber 9, the second filtering chamber 10 and the third filtering chamber 11 at intervals of 100mm in height and used for measuring the pressure difference inside a filtering layer; two ends of the first filtering chamber 9, the second filtering chamber 10 and the third filtering chamber 11 are sealed through end sockets, a filtering cap 12 is mounted at the lower end socket of the first filtering chamber 9, the second filtering chamber 10 and the third filtering chamber 11 and used for guaranteeing water distribution uniformity, and the specification of the filtering cap 12 adopts 0.5m3/h filtering caps, and the gap width is 0.3 mm;
an electromagnetic flow meter 7 and an inlet pressure gauge 5 are arranged on the pipeline of the filtering water inlet 1, and the electromagnetic flow meter 7 is used for displaying the filtering and backwashing flow;
and an outlet pressure gauge 6 arranged on the pipeline of the filtering water outlet 4 and a valve 8 arranged on the pipeline of the backwashing water inlet 3.
The top ends of the first filtering chamber 9, the second filtering chamber 10 and the third filtering chamber 11 are respectively connected with a pipeline provided with a filtering water inlet 1 and a backwashing water outlet 2, and a valve 8 is arranged on the pipeline.
The bottom ends of the first filtering chamber 9, the second filtering chamber 10 and the third filtering chamber 11 are respectively connected with pipelines provided with a backwashing water inlet 3 and a filtering water outlet 4, the pipelines are provided with valves 8 for connection, the pipelines are provided with the valves 8, and the pipelines of the backwashing water inlet 3 are provided with electromagnetic flow meters 7. The supporting facilities also comprise an electronic balance, a drying box, a turbidimeter and the like.
Referring to FIG. 2, let the diameter of the filter material particles be dsIf the diameter of the particles with the largest gaps is d, the diameter of the particles with the largest gaps can be derived by geometric mapping. From the geometry in the above figure:
the particle diameter of the filter material 13 is related to the radius of the largest-spaced particles,
wherein the diameter of the filter material particles is ds。
In addition, the test requires the following conditions:
1. the filter material with the correlation relationship of the particle size is measured to be 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm and 1 mm;
2. other materials adopt 0.5mm glass ball filter materials;
3. the level order of the particle filter material generally intercepts bacterial microorganisms, and the particle size of the bacterial microorganisms is 0.5-40 microns;
4. for the glass ball filter material, the change conditions of the turbidity of filtered water, the pressure difference between an inlet and an outlet of a filter layer and the instantaneous flow of the filtered water along with time are developed under the condition of the same muddy water mass fraction;
5. the change conditions of the turbidity of filtered water, the pressure difference between an inlet and an outlet of a filter layer and the instantaneous flow of the filtered water along with time under the conditions of different filter element lengths and the same muddy water mass fraction are developed;
6. the method is characterized in that a filtration test is carried out on ten glass ball filter materials with the particle sizes of 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm and 1mm, the relation of local pressures of different filter layers filtered by the glass ball filter materials with different particle sizes is discussed by setting initial filtration speeds with different gradients and filtration turbidity water quality scores and taking filtration water turbidity, filter layer pressure difference and filtration water instantaneous flow as measurement indexes.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a glass ball filter material filter core length and velocity of flow and filter bed atress relation test device which characterized in that:
the device comprises a first filtering chamber (9), a second filtering chamber (10) and a third filtering chamber (11), wherein the first filtering chamber (9), the second filtering chamber (10) and the third filtering chamber (11) are all provided with transparent organic glass tubes with the inner diameter of 100mm and the height of 1000mm, and pressure gauges (14) are connected to pressure measuring and material taking holes which are formed in the first filtering chamber (9), the second filtering chamber (10) and the third filtering chamber (11) at intervals of 100mm in height and used for measuring the pressure difference inside a filtering layer; two ends of the first filtering chamber (9), the second filtering chamber (10) and the third filtering chamber (11) are sealed through end sockets, a filtering cap (12) is mounted at the lower end socket of the first filtering chamber (9), the second filtering chamber (10) and the third filtering chamber (11) and used for guaranteeing water distribution uniformity, and the specification of the filtering cap (12) adopts 0.5m3/h filtering caps and the gap width is 0.3 mm;
filter materials (13) filled in the first filter chamber (9), the second filter chamber (10) and the third filter chamber (11), wherein the filling height of the filter materials (13) is 500mm, and three filter materials (13) are arranged in three filter columns and respectively comprise quartz sand filter materials, glass ball filter materials and cullet filter materials;
the electromagnetic flow meter (7) and the inlet pressure gauge (5) are arranged on the pipeline of the filtering water inlet (1), and the electromagnetic flow meter (7) is used for displaying filtering and backwashing flow;
and an outlet pressure gauge (6) arranged on the pipeline of the filtering water outlet (4) and a valve (8) arranged on the pipeline of the backwashing water inlet (3).
2. The device for testing the relation between the length of the glass ball filter element and the flow rate and the stress of the filter layer as claimed in claim 1, wherein: the top ends of the first filtering chamber (9), the second filtering chamber (10) and the third filtering chamber (11) are respectively connected with a pipeline provided with a filtering water inlet (1) and a backwashing water outlet (2), and a valve (8) is arranged on the pipeline.
3. The device for testing the relation between the length of the glass ball filter element and the flow rate and the stress of the filter layer as claimed in claim 1, wherein: the bottom ends of the first filtering chamber (9), the second filtering chamber (10) and the third filtering chamber (11) are respectively connected with pipelines provided with a backwashing water inlet (3) and a filtering water outlet (4), the pipelines are provided with valves (8) and are connected, the pipelines are provided with the valves (8), and the pipelines of the backwashing water inlet (3) are provided with electromagnetic flow meters (7).
4. The device for testing the relation between the length of the glass ball filter element and the flow rate and the stress of the filter layer as claimed in claim 1, wherein:
the relationship between the particle diameter of the filter material (13) and the radius of the particles with the largest gaps is as follows,
wherein the diameter of the filter material particles is ds。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122758860.XU CN216350209U (en) | 2021-11-11 | 2021-11-11 | Device for testing length and flow rate of filter element of glass ball filter material and stress relation of filter layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122758860.XU CN216350209U (en) | 2021-11-11 | 2021-11-11 | Device for testing length and flow rate of filter element of glass ball filter material and stress relation of filter layer |
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| CN216350209U true CN216350209U (en) | 2022-04-19 |
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| CN202122758860.XU Active CN216350209U (en) | 2021-11-11 | 2021-11-11 | Device for testing length and flow rate of filter element of glass ball filter material and stress relation of filter layer |
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