CN216593930U - Filter element differential pressure measuring device - Google Patents

Abstract

The utility model provides a filter element differential pressure measuring device, which comprises a small bucket, a filter and a big bucket; the small barrel is communicated with a liquid inlet of the filter through a pipeline I, the big barrel is communicated with a liquid outlet of the filter through a pipeline II, the liquid inlet and the liquid outlet on the filter are respectively positioned at two sides of the filter main body, the liquid inlet and the liquid outlet at two sides of the filter are respectively provided with a differential pressure meter port, and the differential pressure meter is used for measuring a differential pressure value at the liquid inlet and the liquid outlet through the differential pressure meter ports; the device also comprises 2 rotating joints, the tops of the 2 rotating joints are respectively communicated with the pipeline I and the pipeline II, the bottoms of the 2 rotating joints are respectively provided with 1 adjusting buckle and 2 pipelines, different pipelines can be switched by adjusting the adjusting buckles, so that the different pipelines are communicated with the pipeline I or the pipeline II, and one pipeline at the bottom of each adjusting buckle is inserted into the small bucket, and the other pipeline is inserted into the large bucket; has the advantages that: the utility model discloses simple structure, save fund, can measure the filter core differential pressure measuring device of different mesh filter core pressure drops.

Description

Filter element differential pressure measuring device

Technical Field

The utility model belongs to filter core differential pressure measurement field especially relates to filter core differential pressure measuring device.

Background

The filter shell capable of bearing certain pressure is designed according to the existing experience in the filter design process of enterprises specially producing filters and series products thereof, filter elements are arranged in the filter shell, and the filter accuracy of the filter elements is different under the conditions of different thicknesses and mesh of the filter elements, different medium viscosities and different impurity adding, so that the integral pressure of the filter is influenced to a certain extent.

The average flow is measured by adding a flowmeter in the earlier stage of the company, and because the flowmeter has higher requirements on the measurement environment and the environments with different viscosities, different pressures and the like all influence the measurement value, the flowmeter with a proper size needs to be selected, otherwise, the flowmeter is small and easy to overload and damage the meter; the selection is large, the accuracy of measurement is affected, the company often needs to measure filter elements with different thicknesses and meshes, average flow rates under different medium viscosities and different impurity adding conditions, the flowmeter needs to be checked before measurement, the checking time is long, different types of flowmeters need to be selected according to different medium characteristics, the measuring cost is high, the picking and handling period in the company is long, and other parameters cannot be measured. In addition, in order to measure the filtering precision and the filtering effect of the filter element under different working conditions, parameters such as differential pressure under different working conditions need to be measured.

Therefore, a device which can save cost and achieve the purpose of measuring parameters such as the differential pressure of the filter element needs to be developed to meet the requirements of companies.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a simple structure, save the fund, can measure the filter core differential pressure measuring device of different mesh filter core pressure drops.

The technical scheme of the utility model is that:

the filter element differential pressure measuring device comprises a small bucket, a filter and a large bucket; the small barrel is communicated with a liquid inlet of the filter through a pipeline I, the big barrel is communicated with a liquid outlet of the filter through a pipeline II, the liquid inlet and the liquid outlet on the filter are respectively positioned on two sides of the filter main body and are on the same horizontal line, the liquid inlet and the liquid outlet on two sides of the filter are respectively provided with a differential pressure meter port, and the differential pressure meter is used for measuring a differential pressure value at the liquid inlet and the liquid outlet through the differential pressure meter ports;

furthermore, the small bucket is a bucket which is provided with scales and is made of transparent materials, water in the small bucket is pumped into the filter from a liquid inlet of the filter through a sewage pump and a pipeline I, a diaphragm pump I is arranged on a pipeline II, and the water pumped into the filter is pumped into the large bucket through a liquid outlet through the pipeline II and the diaphragm pump I;

furthermore, the pipeline I and the pipeline II are made of transparent materials;

further, a sewage pump, a one-way valve and an adjusting valve are sequentially arranged on the pipeline I from the small barrel to the liquid inlet; the liquid outlet is in the direction of the vat, and a one-way valve, an adjusting valve, a stop valve and a diaphragm pump I are sequentially arranged on the pipeline II;

furthermore, the device also comprises 2 rotating joints, the tops of the 2 rotating joints are respectively communicated with the pipeline I and the pipeline II, the bottoms of the 2 rotating joints are respectively provided with 1 adjusting buckle and 2 pipelines, different pipelines can be switched by adjusting the adjusting buckles, one of the 2 pipelines is communicated with the pipeline I or the pipeline II, and the bottom of each adjusting buckle is provided with one pipeline inserted into the small bucket, and the other pipeline is inserted into the large bucket;

further, 2 rotating joints are all positioned at the upper part of the small barrel;

furthermore, an automatic timer of an interlocking movable device is arranged on each of the two rotary joints, and when the adjusting buckle is screwed, the automatic timer of the interlocking movable device is triggered to start automatic timing;

furthermore, the pipeline II close to the liquid outlet of the filter is Z-shaped, namely the pipeline II sequentially comprises a transverse I section communicated with the liquid outlet, a vertical section communicated with the transverse I section and a transverse II section communicated with the vertical section, the height of the transverse I section is higher than that of the transverse II section, so that water flowing out of the liquid outlet instantly flows into the vertical section from the transverse I section and then flows into the transverse II section, further, a one-way valve and an adjusting valve are arranged on the transverse I section, and a stop valve is arranged on the vertical section;

further, the height of the bottom of the keg in the keg is higher than the height of the liquid inlet of the filter;

further, the liquid outlet of the filter is higher than the top of the barrel;

further, the keg is positioned right above the vat;

further, the volume of the small barrel is 1 cubic meter, and the volume of the large barrel is 2 times of the volume of the small barrel;

further, a medicine adding opening and a stirrer are arranged at the top of the small bucket, a stirring paddle of the stirrer is used for stirring the liquid in the small bucket, and the viscosity of the test fluid can be adjusted by adding the medicine.

Further, viscosity measuring instruments are arranged in the small barrel and the big barrel;

the utility model has the advantages that:

after the fluid is circulated for several times and stabilized by the device, the time of the fluid circulating for one week in the device is measured by the device, and the quantitative fluid is added into the small barrels, so that the physical volume is known, the average flow can be calculated by dividing the physical volume of all the fluids in the small barrels by the time of the quantitative fluid circulating for one week in the device, and when the company wants to know the average flow (equivalent to the instantaneous flow), the flow meter does not need to be matched, purchased and debugged every time, so that the cost is saved, and meanwhile, the convenience is brought to the company. Because the keg is graduated, the physical volume of the fluid can be more visually and accurately observed through the keg.

Because the liquid inlet and the liquid outlet on the two sides of the filter are respectively provided with a differential pressure meter port, the pressure drop values of the liquid inlet and the liquid outlet are measured by the differential pressure meter; the device can measure the pressure drop of filter elements with different meshes, the pressure drop of the filter elements under different medium viscosities, the pressure drop under a circulating state and the like, is simple and low in cost, and the measured values can be referred by later-stage personnel.

This device can manual timing, also can be through the automatic timer timing, promptly: the automatic timer of the interlocking movable device is automatically triggered after the adjusting button is manually adjusted, so that the time of fluid entering from the liquid inlet and then exiting from the liquid outlet in one circle of the filter cycle can be calculated;

the one-way valve is arranged, so that the liquid backflow phenomenon is further avoided; because the regulating valve is arranged, the influence of the pump can be avoided, and the flow velocity are ensured to meet the requirements.

The device can measure the pressure difference under continuous working conditions, the method is that when pumping fluid from a big barrel to a small barrel, the top communicating pipeline I of one rotary joint is inserted into the big barrel, the pipeline communicated with the bottom is inserted into the small barrel, the top communicating pipeline II of the other rotary joint is inserted into the small barrel, the fluid in the big barrel passes through the pipeline I from the big barrel after a sewage pump is opened, the filter, the pipeline II and the diaphragm pump I are pumped into the small barrel, the pipeline is switched after the water in the small barrel reaches a certain liquid level height when being observed, so that the top communicating pipeline I of one rotary joint is inserted into the small barrel, the top communicating pipeline II of the other rotary joint is inserted into the big barrel, the pipeline communicated with the bottom is inserted into the big barrel, and therefore the fluid passes through the pipeline I from the small barrel, the filter, the pipeline II and the diaphragm pump I is pumped into the big barrel.

Because the keg is positioned right above the vat, under continuous working conditions, liquid in the keg overflows and then flows into the vat, and the surrounding environment is prevented from being polluted.

Because the height of the barrel bottom in the small barrel is higher than that of the liquid inlet of the filter, and the height of the liquid outlet of the filter is higher than that of the barrel top of the large barrel, liquid at a high position can be pumped to a low position, and the pumping is more thorough. Furthermore, the U-shaped tube effect is avoided, namely the situation that liquid cannot be conveyed continuously under the condition that the liquid levels in the two pipelines are level is avoided.

Before the test experiment, the viscosity of the test fluid needs to be tested, and the test experiment is carried out when the viscosity meets the requirement; because be equipped with medicine mouth and agitator at the keg top, consequently, conveniently with resistance agent and water misce bene, do benefit to the later stage and measure. The experimental device is provided with the viscosity measuring instrument, can measure the viscosity of the liquid and lays a foundation for subsequent calculation of other data. Due to the use of the sewage pump, a proper amount of solid particle impurities can be added into the fluid to simulate the real working condition of the filter.

Because the pipeline II close to the liquid outlet of the filter is Z-shaped, water flowing out of the liquid outlet instantly flows into the vertical section from the transverse section I and then flows into the transverse section II, the transverse section I is provided with a one-way valve and an adjusting valve, and the vertical section is provided with a stop valve; therefore, the problem of test failure caused by the siphon phenomenon formed at the liquid outlet can be avoided.

Drawings

FIG. 1 is a schematic view of a filter element differential pressure measuring device of the present invention;

FIG. 2 is a top view of a differential pressure measurement device for a filter cartridge;

FIG. 3 is a schematic view of a differential pressure measuring device with a rotary joint for a filter cartridge;

FIG. 4 is a schematic view of conduit II;

FIG. 5 is a schematic view of a swivel;

in the figure:

1. small bucket 2, filter 3 and large bucket

4. Sewage pump 5, pipeline I6, pipeline II

7. Differential pressure gauge 8, check valve 9 and stop valve

10. Diaphragm pump I11, rotary joint 6-1 and transverse I section

6-2 parts of vertical section 6-3 parts of horizontal section II 11-1 parts of adjusting buckle

11-2, pipeline

Detailed Description

Example 1: as shown in fig. 1: time is calculated in a stopwatch timing mode, the filter element with the mesh number of N1 is selected by the filter element pressure difference measuring device, the number of the filter element layers is C1, the thickness is H1, the pressure drop of 1 ton of pure water is measured, the physical volume of the pure water is V1, and when no resistance agent is added into the pure water:

firstly, the sewage pump 4 is opened, a timing key is pressed on the mobile phone, the time is 0, the sewage pump 4 enables the water in the small bucket 1 to enter the filter 2 through the pipeline I5 and the liquid inlet of the filter 2, in the process, the sewage pump 4 plays a role in conveying water, the one-way valve 8 ensures that the water does not flow back, the regulating valve can control and regulate the flow speed and the flow of the water, when the water passed through the differential pressure gauge 7 on the pipe i 5, the differential pressure value at that time was measured as DP1, and at the same time, the timing key is pressed again on the mobile phone for T1, then the water enters the filter 2, the water circulates in the filter element for a circle and then flows out of the liquid outlet, the differential pressure meter 7 of the liquid outlet measures the differential pressure in the flowing process to be DP2, the timing key is pressed to be T2, when all water is filtered, the interlocking movable device is triggered again for timing, the time is T3, and finally, water enters the barrel 3 through the pipeline II 6.

In the process, the physical volume of the measured liquid is quantitative by arranging the scales on the small bucket 1, the differential pressure value of common water can be known through the differential pressure gauge 7 on the liquid inlet, the differential pressure value of filtered water can be known through the differential pressure gauge 7 on the liquid outlet, and the time for pressing the timing key is T3 after the water circulates in the device for one week;

the water circulates in the filter 2 for one week, T2-T1;

the pressure difference loss value (pressure drop) of the filter element is DP2-DP 1;

the average flow of the filter element differential pressure measuring device of the utility model is V1/T3;

the volume of filter 2 added to the cartridge was (V1/T3) × (T2-T1);

the above measured values can be used as parameters of the filter 2, in particular as pressure drop values, as a reference for later use.

Example 2:

as shown in fig. 1: simulating the medium characteristics under the actual working condition, and adding a resistance agent into the quantitative water of the small bucket 1 to increase the viscosity of the liquid and reduce the purity of the water; before the test experiment, the viscosity of the test fluid needs to be tested, and the test experiment is carried out when the viscosity meets the requirement; after the mixture is uniformly stirred by the stirrer, the viscosity of the mixed liquid in the barrel is tested by the viscosity tester, and the top of the small barrel 1 is provided with the medicine adding port and the stirrer, so that the resistance agent and the water are conveniently and uniformly mixed, and later-period measurement is facilitated; the later testing process and the calculation method are the same as those in the embodiment 1; the method can quantitatively test the values of time for a certain viscosity liquid to pass through the filter 2, pressure drop and flow rate. The pressure drop was measured for different impurity additions in the same manner as above.

Example 3:

as shown in fig. 1, the filter element in the filter 2 is replaced, and then the later testing process and the calculation method are the same as those in embodiment 1, so that the pressure values of different filter elements can be measured.

Example 4:

as shown in fig. 3: the device comprises 2 rotary joints 11, wherein the tops of the 2 rotary joints 11 are respectively communicated with a pipeline I5 and a pipeline II 6, the bottoms of the 2 rotary joints 11 are respectively provided with 1 adjusting buckle 11-1 and 2 pipelines 11-2, different pipelines 11-2 can be switched by adjusting the adjusting buckles 11-1, and the adjusting method comprises the following steps: when the adjusting buckles 11-1 are rotated, one pipeline 11-2 is plugged by a blocking piece (black) on the adjusting buckles, the other pipeline is communicated with the pipeline 11-2 and the pipeline I5 or the pipeline II 6, one pipeline is inserted into the small barrel 1 at the bottom of each adjusting buckle 11-1, and the other pipeline is inserted into the large barrel 3; and the two rotary joints 11 are respectively provided with an automatic timer of the interlocking movable device, and when the adjusting buckle is screwed, the automatic timer of the interlocking movable device is triggered to start automatic timing.

At this time, the pressure difference under the continuous working condition is measured, the mesh number of the filter element is 40 meshes, the layer number of the filter element is 2, and the solution in the small bucket 1 is quantitatively added into the big bucket 3 for 3 times. When the automatic interlocking device works, the sewage pump 4 is opened, the top of one rotary joint 11 is manually adjusted to be communicated with the pipeline I5, the pipeline 11-2 communicated with the bottom is inserted into the small barrel 1, the top of the other rotary joint 11 is communicated with the pipeline II 6, and the pipeline communicated with the bottom is inserted into the large barrel 3; the sewage pump 4 enables water in the small bucket 1 to enter the filter 2 through the pipeline I5 and a liquid inlet of the filter 2, in the process, the sewage pump 4 plays a role in conveying the water, the check valve 8 ensures that the water does not flow back, and the regulating valve can control and regulate the flow speed and flow of the water; water enters the filter 2 and is discharged from the liquid outlet after circulating for a week in the filter element, and after all water is filtered, the pipeline is manually switched to pump liquid from the big barrel 3 to the small barrel 1. Further, when fluid is pumped from the barrel 3 to the keg 1, the top of one of the rotary joints 11 is communicated with the pipeline I5, the pipeline communicated with the bottom is inserted into the barrel 3, the top of the other rotary joint 11 is communicated with the pipeline II 6, the pipeline communicated with the bottom is inserted into the keg 1, and the fluid in the barrel 3 is pumped into the keg 1 from the barrel 3 through the pipeline I5, the filter 2, the pipeline II 6 and the diaphragm pump I10 after the sewage pump 4 is opened.

Further, switch the pipeline after observing that the water in keg 1 reaches certain liquid level height for the top intercommunication pipeline I5 of a rotary joint 11, the pipeline of bottom intercommunication inserts in keg 1, the top intercommunication pipeline II 6 of another rotary joint 11, the pipeline of bottom intercommunication inserts in vat 3, therefore fluid from keg 1 through pipeline I5, filter 2, pipeline II 6, diaphragm pump I10 pump send to vat 3 in.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in fig. 1, and are only for convenience of description and simplicity of description, and 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.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims (10)

1. Filter core differential pressure measuring device, its characterized in that: comprises a small bucket, a filter and a large bucket; the keg passes through the inlet of I intercommunication filter of pipeline, the vat passes through the liquid outlet of II intercommunication filters of pipeline, inlet and liquid outlet on the filter are located the both sides of filter main part respectively and on same water flat line, the inlet of filter both sides, liquid outlet department are equallyd divide and are do not be equipped with the differential pressure meter mouth, the differential pressure meter passes through the differential pressure meter mouth and measures the pressure value of inlet and liquid outlet department.

2. A differential pressure measuring device with a filter cartridge according to claim 1, wherein: water in the small bucket is squeezed into the filter from the inlet of the filter through a sewage pump and a pipeline I, a diaphragm pump I is arranged on the pipeline II, and the water in the filter is pumped into the large bucket through a pipeline II and the diaphragm pump I through the liquid outlet.

3. A differential pressure measuring device with a filter cartridge according to claim 2, wherein: a sewage pump, a one-way valve and an adjusting valve are sequentially arranged on the pipeline I from the small barrel to the liquid inlet; the liquid outlet is in the direction of the vat, and a one-way valve, an adjusting valve, a stop valve and a diaphragm pump I are sequentially arranged on the pipeline II; the pipeline I and the pipeline II are made of transparent materials; the small barrel is a barrel with scales and made of transparent materials.

4. A differential pressure measuring device with a filter cartridge according to claim 3, wherein: this device still includes 2 swivel joints, 2 the swivel joint top is linked together with pipeline I and pipeline II respectively, 2 the bottom of swivel joint is equallyd divide and is equipped with 1 regulation respectively and detains and 2 pipelines, through adjusting but adjust and detain changeable different pipelines, make 2 in the pipeline one is linked together with pipeline I or pipeline II, and every adjust and detain the bottom and all have a pipeline to insert the keg, another inserts the vat.

5. The differential pressure measurement device of a filter cartridge of claim 4, wherein: and the two rotary joints are respectively provided with an automatic timer of the interlocking movable device, and when the adjusting buckle is screwed, the automatic timer of the interlocking movable device is triggered to start automatic timing.

6. A differential pressure measuring device having a filter cartridge according to any one of claims 1-5, wherein: be close to pipeline II of filter liquid outlet department is "Z" font, promptly pipeline II includes in proper order with the horizontal I section of liquid outlet intercommunication, with the vertical section of horizontal I section intercommunication, with the horizontal II sections of vertical section intercommunication, the height that highly is higher than horizontal II sections of horizontal I section, be equipped with check valve, governing valve on the horizontal I section, be equipped with the stop valve on the vertical section.

7. A differential pressure measuring device having a filter cartridge according to claim 6, wherein: the height of the bottom of the small barrel is higher than that of the liquid inlet of the filter; the height of the liquid outlet of the filter is higher than that of the top of the barrel.

8. A differential pressure measuring device having a filter cartridge according to claim 7, wherein: the small barrel is positioned right above the big barrel; the capacity of the small barrel is 1 cubic meter, and the capacity of the big barrel is 2 times of the capacity of the small barrel.

9. A differential pressure measuring device having a filter cartridge according to any one of claims 1-5, wherein: the top of the small bucket is provided with a dosing port and a stirrer, and a stirring paddle of the stirrer is used for stirring liquid in the small bucket and adjusting the viscosity of the test fluid by adding a medicament.

10. A differential pressure measuring device having a filter cartridge according to claim 9, wherein: and viscosity measuring instruments are arranged in the small barrel and the big barrel.

Images