CN222599465U - Filter material filtering efficiency detection device - Google Patents

Abstract

The present application relates to a filter material filtration efficiency detection device, comprising a filter; an air storage container, the air storage container is connected to the air outlet of the filter, the air outlet of the air storage container is connected to a first air path and a second air path; a first solenoid valve, an upper clamp and a second solenoid valve, the first solenoid valve is arranged in the first air path and is connected to the air inlet of the upper clamp, the second solenoid valve is connected to the air outlet of the upper clamp; a lower clamp and an exhaust assembly, the lower clamp is arranged in the exhaust assembly and is assembled with the upper clamp, the lower clamp and the upper clamp can be closed or separated, the exhaust assembly is connected to the second solenoid valve; and a third solenoid valve, the third solenoid valve is arranged on the second air path and is connected to the exhaust assembly. The fine dust attached to the surface of the filter material is cleaned up, and after the filter material is tested for filtration efficiency on this basis, the accuracy of the test result of the filtration efficiency will not be affected, and a scientific evaluation of the filtration efficiency of the filter material can be made.

Description

Filter material filtering efficiency detection device

Technical Field

The application relates to the technical field of filtration efficiency detection, in particular to a device for detecting filtration efficiency of a filter material.

Background

In enterprises such as chemical industry, agriculture, smelting industry and the like, gas filtering equipment is an environmental protection equipment which is required to be installed, and aims to prevent toxic and harmful waste gas from being directly discharged into the gas and injuring surrounding vegetation, animals and people. Dust is one of the main filtering objects of the gas filtering equipment, and the dust filtering efficiency of the filter materials installed and used in the gas filtering equipment is an important performance index for evaluating the gas filtering equipment.

At present, when detecting the dust removal efficiency of a filter material in the related art, as the filter material to be detected is directly exposed in a dust environment, and when the filter material is cut into samples, a large amount of fine dust is easily attached to the surface of the filter material, if the filter material is directly detected, the accuracy of the detection result of the filter efficiency can be affected by the existence of the fine dust, and further, the filter efficiency of the filter material cannot be scientifically evaluated.

Disclosure of Invention

Based on this, it is necessary to provide a filtering material filtering efficiency detection device aiming at the problem of low accuracy of detection results in the prior art.

The application provides a filter material filtering efficiency detection device, which comprises:

A filter;

The gas storage container is communicated with the gas outlet of the filter, and the gas outlet of the gas storage container is connected with a first gas path and a second gas path;

The device comprises a first electromagnetic valve, an upper clamp and a second electromagnetic valve, wherein the first electromagnetic valve is arranged in the first air path and is communicated with an air inlet of the upper clamp, and the second electromagnetic valve is communicated with an air outlet of the upper clamp;

The lower clamp is arranged on the exhaust assembly and is assembled with the upper clamp, the lower clamp and the upper clamp can be closed or separated, the exhaust assembly is communicated with the second electromagnetic valve, and

And the third electromagnetic valve is arranged on the second air path and is communicated with the exhaust assembly.

The filter material filtering efficiency detection device is applied to a working occasion for testing the filtering efficiency of a filter material, when the filter is used, the filter is connected with an air outlet of the compressor, air exhausted from the compressor flows through the filter and then flows into the air storage container for temporary storage, the filter material to be tested is placed between the upper clamp and the lower clamp and clamped and fixed after the upper clamp and the lower clamp are mutually close to each other, then the first electromagnetic valve, the second electromagnetic valve and the third electromagnetic valve are respectively opened, the air in the air storage container flows into the upper clamp along the first air path at first, the upper surface of the filter material is sprayed, so that fine dust attached to the upper surface of the filter material is removed, the air flowing into the air exhaust component through the second electromagnetic valve flows into the air exhaust component through the third electromagnetic valve, and meanwhile, the fine dust attached to the lower surface of the filter material is sprayed, so that the air carries the fine dust attached to the lower surface of the filter material is removed by the air exhaust component, the fine dust attached to the surface of the filter material is cleaned, after the filter material is subjected to filtering efficiency test on the basis, the filtering efficiency of the filter material is tested along the first air path, the detection result of the filtering efficiency can not be influenced, and the scientific evaluation can be carried out on the filtering efficiency of the filter material.

The technical scheme of the application is further described as follows:

in one embodiment, the filter material filtering efficiency detection device further comprises a blowing member, and the blowing member is disposed in the exhaust assembly and is communicated with the third electromagnetic valve.

In one embodiment, the blowing member comprises a blowing pipe provided with a plurality of blowing openings, and the blowing openings are arranged at intervals along the annular extending direction of the blowing pipe.

In one embodiment, the filter material filtering efficiency detection device further comprises a lifting driver, and the lifting driver is connected with the upper clamp to drive the upper clamp to be close to or far away from the lower clamp.

In one embodiment, the exhaust assembly includes an exhaust pipe and an exhaust pump, the lower fixture is disposed at an upper nozzle of the exhaust pipe, and the exhaust pump is disposed at a lower nozzle of the exhaust pipe away from the lower fixture.

In one embodiment, the air outlet of the air storage container is further connected with a test pipeline, the test pipeline is communicated with the upper clamp, the filter material filtering efficiency detection device further comprises an oily particle device, a salt particle device and a dispersing device, the oily particle device and the salt particle device are arranged on the test pipeline and are located on the upstream of the dispersing device, the fourth electromagnetic valve and the first particle detector are sequentially arranged on the test pipeline and are located on the downstream of the dispersing device, and the second particle detector is arranged in the exhaust assembly.

In one embodiment, the filter material filtering efficiency detection device further comprises a gas stirrer, and the gas stirrer is arranged inside the dispersing device.

In one embodiment, the filter material filtering efficiency detection device further comprises a particle concentration detector, and the particle concentration detector is arranged in the dispersing device.

In one embodiment, the filter material filtering efficiency detection device further comprises a flowmeter, wherein the flowmeter is arranged in the test pipeline and is positioned between the flow dispersing device and the fourth electromagnetic valve.

In one embodiment, the filter material filtering efficiency detection device further comprises a pressure regulating valve connected between the filter and the air storage container.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application.

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a filtering efficiency detection device for filtering materials according to an embodiment.

Fig. 2 is an internal structural diagram of the filter material filtering efficiency detecting device.

Fig. 3 is a schematic structural diagram of an upper fixture according to an embodiment.

Reference numerals illustrate:

100. The device comprises a filter material filtering efficiency detection device, 10, a filter, 20, a gas storage container, 30, a first electromagnetic valve, 40, an upper clamp, 50, a second electromagnetic valve, 60, a lower clamp, 70, an exhaust assembly, 71, an exhaust pipe, 72, an exhaust pump, 80, a third electromagnetic valve, 90, a blowing pipe, 90a, a lifting driver, 90b, an oily particle device, 90c, a salt particle device, 90d, a dispersing device, 90e, a fourth electromagnetic valve, 90f, a first particle number detector, 90g, a second particle number detector, 90h, a gas stirrer, 90i, a particle concentration detector, 90j, a flowmeter, 90k and a pressure regulating valve.

Detailed Description

In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the application, whereby the application is not limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that, if any, these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., are used herein with respect to the orientation or positional relationship shown in the drawings, these terms refer to the orientation or positional relationship for convenience of description and simplicity of description only, and do not indicate or imply that the apparatus 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 application.

Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.

In the present application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, they may be fixedly connected, detachably connected or integrally formed, mechanically connected, electrically connected, directly connected or indirectly connected through an intermediate medium, and communicated between two elements or the interaction relationship between two elements unless clearly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present application, unless expressly stated or limited otherwise, the meaning of a first feature being "on" or "off" a second feature, and the like, is that the first and second features are either in direct contact or in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein, if any, are for descriptive purposes only and do not represent a unique embodiment.

Referring to fig. 1 to 3, a filter material filtering efficiency detecting apparatus 100 according to an embodiment of the present application includes a filter 10, a gas container 20, a first solenoid valve 30, an upper clamp 40, a second solenoid valve 50, a lower clamp 60, a vent assembly 70, and a third solenoid valve 80.

The filter 10 is used for filtering the gas input from the compressor to avoid the impurity in the gas from interfering with the filtering efficiency of the filter material. Preferably, the filter 10 of the present application has a primary filter module and a secondary filter module, wherein the primary filter module is used for primarily removing larger particles or oily dust, and the secondary filter module is mainly used for filtering fine particles on the basis of primary filtration, so that the gas entering the gas storage container 20 does not contain dust particles, and the error of the test result is reduced due to the fact that the gas is doped with the particles in the test process.

Optionally, the primary filtering module and the secondary filtering module may be any one of physical filtering, chemical filtering, biological filtering, etc., and the primary filtering module and the secondary filtering module may be the same or different, and may be selected according to actual needs.

The air storage container 20 is communicated with the air outlet of the filter 10, the air outlet of the air storage container 20 is connected with a first air passage and a second air passage, the first electromagnetic valve 30 is arranged in the first air passage and communicated with the air inlet of the upper clamp 40, the second electromagnetic valve 50 is communicated with the air outlet of the upper clamp 40, the lower clamp 60 is arranged on the air exhausting assembly 70 and assembled with the upper clamp 40, the lower clamp 60 and the upper clamp 40 can be closed or separated, the air exhausting assembly 70 is communicated with the second electromagnetic valve 50, and the third electromagnetic valve 80 is arranged on the second air passage and communicated with the air exhausting assembly 70.

In summary, implementing the technical scheme of the embodiment has the advantages that when the filter material filtering efficiency detection device 100 is applied to a working occasion for testing the filtering efficiency of the filter material, the filter 10 is connected with the air outlet of the compressor, air discharged from the compressor flows through the filter 10 and is filtered and then flows into the air storage container 20 for temporary storage, the filter material to be tested is placed between the upper clamp 40 and the lower clamp 60 and clamped and fixed after the upper clamp 40 and the lower clamp 60 are moved close to each other, then the first electromagnetic valve 30, the second electromagnetic valve 50 and the third electromagnetic valve 80 are opened respectively, the air in the air storage container 20 flows into the upper clamp 40 along the first air path to spray and blow the upper surface of the filter material, so that fine dust attached to the upper surface of the filter material is removed, the air flowing into the air exhaust assembly 70 through the second electromagnetic valve 50 flows into the air exhaust assembly 70, meanwhile, the air flowing along the second air path flows into the air exhaust assembly 70, so that the lower surface of the filter material is removed, the air carries the fine dust attached to the filter material is removed, the air is blown off by the air exhaust assembly 70, and the filter material attached to the fine dust is removed, and the filtering efficiency is completely attached to the surface is removed along the first air path, and the air flow is flowed through the air exhaust assembly 50, and the air exhaust efficiency is blown to the air exhaust assembly, and the filter material filtering efficiency is completely, and the filtering efficiency is completely filtered on the filter material.

The upper clamp 40 and the lower clamp 60 each adopt a concave cover structure. The air inlet and the air outlet of the upper clamp 40 are located at two opposite sides of the straight line direction, so that air can enter the upper clamp 40, and after fine dust on the upper surface of the filter material is removed, the air flows directly to the air outlet and is discharged out of the upper clamp 40, thereby improving the removal efficiency.

With continued reference to fig. 2, the filter material filtering efficiency detecting apparatus 100 further includes a pressure regulating valve 90k, where the pressure regulating valve 90k is connected between the filter 10 and the air container 20. The pressure regulating valve 90k is used for regulating the pressure of the gas input into the gas storage container 20 from the filter 10, so as to avoid potential safety hazards caused by overlarge air pressure in the gas storage container 20, and meanwhile, avoid the shortage of air pressure in the gas storage container 20, which causes the shortage of power of the subsequent output gas.

In yet another embodiment, the filter media filtration efficiency testing device 100 further includes a blowing member disposed in the exhaust assembly 70 and in communication with the third solenoid valve 80. The gas outputted from the gas storage container 20 flows into the blowing member via the third electromagnetic valve 80, and the blowing member blows the gas to the lower surface of the filter material at a certain pressure, thereby realizing better removal of fine dust attached to the lower surface of the filter material.

Further, the blowing member includes a blowing pipe 90, and the blowing pipe 90 is provided with a plurality of blowing ports which are arranged at intervals along an annular extending direction of the blowing pipe 90. The gas flowing into the blowing pipe 90 is blown to each part of the lower surface of the filter material from a plurality of blowing openings at the same time, so that the attached fine dust can be removed more uniformly and efficiently, the omission of residual dead angles is avoided, and the interference to the detection result of the filtering efficiency of the subsequent filter material is prevented.

With continued reference to fig. 1 and 2, the pre-test ash removal and post-ash removal tests require that the upper and lower clamps 40 and 60 be moved toward each other to be closed to clamp and fix the filter material, and that the upper and lower clamps 40 and 60 be moved away from each other to remove the filter material after the test is completed, for which the filter material filtering efficiency detecting apparatus 100 further includes a lifting driver 90a connected to the upper clamp 40 to drive the upper clamp 40 toward or away from the lower clamp 60.

For example, the lift actuator 90a may employ any one of an air cylinder, an electric push rod, an oil cylinder, and the like. Taking a cylinder as an example, the cylinder is installed in a vertical posture, a piston rod is arranged towards the lower clamp 60 and is connected with the upper clamp 40, the lifting motion of the piston rod can drive the upper clamp 40 to move close to or away from the lower clamp 60, the implementation structure is simple, the implementation cost is low, and the reliability is high.

With continued reference to FIG. 2, in one embodiment, the exhaust assembly 70 includes an exhaust pipe 71 and an exhaust pump 72, the lower fixture 60 is disposed at an upper orifice of the exhaust pipe 71, and the exhaust pump 72 is disposed at a lower orifice of the exhaust pipe 71 remote from the lower fixture 60. When the filter material cleaning device works, the exhaust pump 72 pumps the gas in the exhaust pipe 71 to form a negative pressure environment in the exhaust pipe 71, so that when fine dust on the upper surface and the lower surface of the filter material is removed, the gas containing the fine dust can be timely sucked into the exhaust pipe 71 and is pumped and discharged from the exhaust pump 72, and the effect of pre-cleaning the filter material is improved.

In addition, on the basis of any of the above embodiments, the air outlet of the air container 20 is further connected with a test pipeline, the test pipeline is communicated with the upper fixture 40, the filter material filtering efficiency detecting device 100 further includes an oily particle device 90b, a salt particle device 90c, a dispersing device 90d, a fourth electromagnetic valve 90e, a first particle number detector 90f and a second particle number detector 90g, the oily particle device 90b and the salt particle device 90c are disposed in the test pipeline and upstream of the dispersing device 90d, the fourth electromagnetic valve 90e and the first particle number detector 90f are sequentially disposed in the test pipeline and downstream of the dispersing device 90d, and the second particle number detector 90g is disposed in the exhaust assembly 70.

After the pre-cleaning operation of the filter material is finished, the formal test of the filtering efficiency of the filter material can be carried out immediately, at this time, the first electromagnetic valve 30, the second electromagnetic valve 50 and the third electromagnetic valve 80 are closed, the fourth electromagnetic valve 90e is opened, so that the gas storage container 20 can only output gas to the test pipeline, the gas firstly flows through the salt particle device 90c or the oily particle device 90b, then enters the dispersing device 90d, the salt particles or the oily particles fully and uniformly disperse in the dispersing device 90d, then flow through the first particle number detector 90f, the first particle number value is recorded, then the gas containing the salt particles or the oily particles enters the upper clamp 40 and passes through the filter material and then enters the exhaust pipe 71, the second particle number detector 90g detects and records the second particle number value in the gas filtered by the filter material, and the filtering efficiency can be calculated by calculating and comparing the first particle number value and the second particle number value.

With continued reference to fig. 2, the filter material filtering efficiency detecting apparatus 100 further includes a gas agitator 90h, where the gas agitator 90h is disposed inside the diffuser 90 d. The gas stirrer 90h is used for stirring the gas flowing into the dispersing device 90d, so that salt or oily particles in the device are uniformly suspended in the device, the deposition of the particles is avoided, the concentration of the particle gas during testing is influenced, and the measuring accuracy is higher.

Further, the filter material filtering efficiency detection device 100 further includes a particle concentration detector 90i, and the particle concentration detector 90i is disposed in the diffuser 90 d. The particle concentration detector 90i is configured to detect the particle concentration in the diffuser 90d in real time so as to adjust the amount of the salt particle device 90c or the oil particle device 90 b.

Further, the filter material filtering efficiency detecting device 100 further includes a flow meter 90j, where the flow meter 90j is disposed in the test pipeline and between the flow dispersing device 90d and the fourth electromagnetic valve 90 e. The flow meter 90j is used to record the gas flow rate of the salty or oily particles so as to control the particle number of the salty or oily particles participating in the filtration efficiency test.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims (10)

1. A filter media filtration efficiency detection device, comprising:

A filter;

The gas storage container is communicated with the gas outlet of the filter, and the gas outlet of the gas storage container is connected with a first gas path and a second gas path;

The device comprises a first electromagnetic valve, an upper clamp and a second electromagnetic valve, wherein the first electromagnetic valve is arranged in the first air path and is communicated with an air inlet of the upper clamp, and the second electromagnetic valve is communicated with an air outlet of the upper clamp;

The lower clamp is arranged on the exhaust assembly and is assembled with the upper clamp, the lower clamp and the upper clamp can be closed or separated, the exhaust assembly is communicated with the second electromagnetic valve, and

And the third electromagnetic valve is arranged on the second air path and is communicated with the exhaust assembly.

2. The filter media filtration efficiency detection device of claim 1, further comprising a blowing member disposed in the exhaust assembly and in communication with the third solenoid valve.

3. A filter media filtration efficiency testing device according to claim 2, wherein the blowing member comprises a blowing pipe provided with a plurality of blowing openings, the plurality of blowing openings being spaced apart along an annular extension of the blowing pipe.

4. The filter media filtration efficiency detection device of claim 1, further comprising a lift drive coupled to the upper clamp to drive the upper clamp toward or away from the lower clamp.

5. The filter media filtration efficiency detection device of claim 1, wherein the exhaust assembly comprises an exhaust pipe and an exhaust pump, the lower clamp is disposed at an upper nozzle of the exhaust pipe, and the exhaust pump is disposed at a lower nozzle of the exhaust pipe away from the lower clamp.

6. The filter material filtering efficiency detection device according to claim 1, wherein the air outlet of the air storage container is further connected with a test pipeline, the test pipeline is communicated with the upper clamp, the filter material filtering efficiency detection device further comprises an oily particle device, a salt particle device and a dispersing device, the oily particle device and the salt particle device are arranged on the test pipeline and are located at the upstream of the dispersing device, the fourth electromagnetic valve and the first particle detector are sequentially arranged on the test pipeline and are located at the downstream of the dispersing device, and the second particle detector is arranged in the exhaust assembly.

7. The filter media filtration efficiency detection device of claim 6, further comprising a gas agitator disposed within the interior of the dispersion device.

8. The filter media filtration efficiency detection device of claim 6, further comprising a particle concentration detector disposed in the flow dispersion device.

9. The filter media filtration efficiency detection device of claim 6, further comprising a flow meter disposed in the test line between the flow dispersing device and the fourth solenoid valve.

10. The filter media filtration efficiency detection device of claim 1, further comprising a pressure regulating valve connected between the filter and the air reservoir.