CN213286035U - Renewable particulate matter aerosol filter component - Google Patents

Abstract

The utility model relates to a renewable particulate matter aerosol filter assembly, including the online electret module that at least one-level set up along the gas flow direction, set up respectively at online electret module air inlet side, air-out side and can follow the terminal surface of online electret module and be reciprocating motion's steam and send subassembly and steam receiving assembly, steam sends the cross-sectional area that subassembly and/or steam receiving assembly is less than the cross-sectional area of online electret module, and steam sends and is equipped with multiunit steam jet mouth on the subassembly, and steam receiving assembly includes the gas collecting channel and is used for following the fan of induced air in the gas collecting channel. The utility model discloses can be at the operation in-process or the automatic pollutant of wasing and retrieving after the operation, solve online electret module installation and maintain that the difficulty is big, with high costs and the pollutant is collected and is handled difficulty scheduling problem, realize online electret module's application of can regenerating, realize purifying particulate matter aerosol's sustainability's high efficiency.

Description

Renewable particulate matter aerosol filter component

Technical Field

The utility model relates to a particulate matter filtering component especially relates to a particulate matter aerosol filtering component can regenerate, is applicable to the particulate matter aerosol filtration of various particle diameters.

Background

Under the influence of haze and epidemic situation, more and more people begin to pay attention to the protection of air environment, especially the air protection of indoor space and public space, at present, the pollutants of the indoor space and the public space still reflect on the aspect of particle aerosol, the particle aerosol is mainly a colloid dispersion system formed by dispersing and suspending small solid or liquid particles in an air medium, the particle aerosol is 0.001-100 micrometers in size, the dispersion medium is air, most of the particle aerosol which is one of the main pushers of haze is inhalable particles, not only is the daily respiratory health of people affected, but also the prevalence and outbreak of regional diseases are caused, even the weather and climate of the nature are affected, in the traditional purification technology, the main focus of the pollutants purification is particle aerosol such as PM2.5, PM10 and the like, the technology such as a fiber mesh filter screen and the like which basically adopts physical interception, the load capacity of the filter screen on the pollutants is limited, the filter screen needs to be replaced regularly, and the filter screen after replacement needs to be treated by burning or chemical agents and can not be recycled.

In emerging particulate matter aerosol filtration technology, purification technologies such as water curtain, mechanical purification, fibre web interception can be adopted usually, and these two purification technologies are comparatively strict to particulate matter aerosol particle size requirement, and are effective to coarse particles, but are relatively poor to fine particles aerosol's effect, still need to adopt traditional fibre web filter screen filtration or electrostatic dust removal technology when carrying out combined type application. As a result, existing particulate aerosol filter assemblies still do not operate efficiently for long periods at full capacity, and sustainable, renewable applications of particulate aerosol filter assemblies are not achieved.

Along with the improvement of the automation degree of various industries and the improvement of the cleaning technology in recent years, the demand of people for automatic cleaning is more and more urgent, particularly the cleaning technology combining steam cleaning and robot cleaning which is developed in recent years has good cleaning effect, does not need operations such as drying and the like, and avoids high labor cost. But the technology is limited to poor maturity, high research and development cost and various cleaning technologies applied in different environments, so that the automatic cleaning technology still needs to be developed for a long time; in addition, the collection and treatment of the cleaned pollutants are difficult by adopting robot steam cleaning in the air flow channel, the problem still cannot be solved fundamentally, the online maintenance and cleaning of the particle aerosol filtering component cannot be realized, and the cleaned pollutants cannot be effectively transported out of the air flow channel in time, so that air pollution is further caused, and the respiratory health of people is influenced.

In view of the limitations of the above cleaning technologies and the difficult problems of collecting and processing the cleaned pollutants, a technology capable of realizing online automatic cleaning needs to be researched, namely a technology capable of automatically starting cleaning a particulate aerosol filter assembly and recovering the pollutants in the operation process or after the operation is finished, so that sustainable and reproducible application of the filter assembly is realized, the industrial problems are solved, the use cost is reduced, and the requirement of automatic cleaning of the filter assembly is met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at that it is big to maintain the difficulty to particulate matter aerosol filter assembly installation, the cleaning performance is poor, use cost is high and particulate matter is collected and is handled difficult scheduling problem, provide one kind and can realize online automatic abluent technique, can be in the operation in-process or the technique that the pollutant was retrieved in the automatic start-up after the operation, realize that particulate matter aerosol filter assembly is sustainable and can palingenetic application, reduce and use the maintenance cost.

In order to achieve the above object, the present invention provides a renewable particulate aerosol filter assembly, comprising at least one stage of on-line electret module disposed along the direction of gas flow, and a steam emitting assembly and a steam receiving assembly respectively disposed at the air inlet side and the air outlet side of the on-line electret module, the steam emitting component and the steam receiving component can reciprocate along the end surface of the on-line electret module, the vapor emitting assembly and/or vapor receiving assembly has a cross-sectional area that is less than the cross-sectional area of the in-line electret module, the steam emitting component is provided with a plurality of groups of steam jet orifices, the direction of the steam jet orifices is set to spray steam or gas-liquid mixture to the on-line electret module, the steam receiving assembly comprises a gas collecting hood arranged on the air outlet side of the on-line electret module and a fan used for inducing air from the inside of the gas collecting hood.

Preferably, the steam emitting assembly is further provided with a distance adjusting mechanism, and the distance adjusting mechanism adjusts and changes the distance between the steam jet orifice and the on-line electret module.

Preferably, the in-line electret module comprises a honeycomb-shaped hollow microchannel formed by a dielectric material, and the dielectric material wraps the electrode sheet to form an electric field in the hollow microchannel.

Particularly, the aperture of the hollow micro-channel is 1-4 mm.

Preferably, the rear sides of the gas collecting hood and the fan are provided with a dust collecting cavity, and the bottom of the dust collecting cavity is provided with a sewage outlet.

Preferably, a liquid spraying port is arranged above the dust collecting cavity, and the liquid spraying port sprays cleaning liquid into the dust collecting cavity.

Preferably, a baffle plate is arranged outside the steam jet opening, and the area of the inner side of the baffle plate is smaller than that of the inner side of the gas collecting hood.

Preferably, the temperature of the steam or the gas-liquid mixture sprayed by the steam spraying opening is 80-200 ℃, and the pressure is 0.2-0.8 MPa.

Preferably, the speed of the steam or the gas-liquid mixture sprayed from the steam spraying opening reaching the surface of the on-line electret module is 20-80 m/s.

Preferably, the distance between the steam jet orifice and the surface of the on-line electret module is 2-30 cm.

Based on the technical scheme, the utility model has the advantages that: the utility model discloses an automatic reciprocating motion, it carries out the efficient to wash the purification to online electret module to drive steam cleaning module, the steam of setting sends subassembly and steam receiving component setting in online electret module both sides, one side sends steam and washs, the opposite side is the receipt steam in time, steam softens the pollutant in online electret module and together gets into steam receiving component along with steam under steam shock, the effective deposit pollutant of steam receiving component or flow out the drain under the drive of steam condensate water and follow-up liquid spraying effect, and then reach the clean purpose in online electret module, realize online automatic abluent effect.

The utility model discloses an online electret module is especially effective to particulate matter aerosol, the dust removal volume is big, and the cleaning component practicality that adopts is strong, and degree of automation is higher, can satisfy online automatic cleaning requirement completely, realize the reproducible application to online electret, the utility model discloses steam cleaning subassembly structure sets up rationally, the operation procedure sets up simply, the high pressure steam cleaning mode that adopts, the cleaning performance is good, because adopt reciprocating motion's design, wash and can increase the number of times of reciprocating motion according to the demand, effectively guarantee the cleanness of whole reproducible particulate matter aerosol subassembly, the utility model discloses can start the washing and retrieve the pollutant online automation during operation or after the operation, solve traditional cleaning technique and waste time and work, maintenance cost is high, industry difficult problems such as cleaning module wearing and tearing are big and the problem that emerging automation is difficult to collect and handle the pollutant, the use cost is reduced, and the requirement of people on online automatic cleaning is met.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

FIG. 1 is a schematic structural view of a regenerable particulate aerosol filter assembly;

fig. 2 is a top view of a regenerable particulate aerosol filter assembly.

Detailed Description

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

The utility model provides a particulate matter aerosol filter component can regenerate, as shown in figure 1-figure 2, wherein show the utility model discloses a preferred embodiment. As shown in fig. 1, fig. 2, including at least one-level along the online electret module 3 that the gas flow direction set up and set up respectively the steam of online electret module 3 air inlet side, air-out side sends subassembly 1 and steam receiving component 2, steam sends subassembly 1 and steam receiving component 2 and can follows reciprocating motion is done to online electret module 3's terminal surface, and reciprocating motion has guaranteed steam cleaning's washing number of times, and washing subassembly can carry out a lot of reciprocating motion according to the demand and drive steam and send subassembly 1 and spray the washing, guarantees the cleaning performance.

The cross-sectional area of the steam sending component 1 and/or the steam receiving component 2 is smaller than that of the on-line electret module 3, the cross-sectional area of the steam sending component 1 and the cross-sectional area of the steam receiving component 2 are small, reciprocating motion on the on-line electret module 3 can be achieved, steam airflow is driven to move through the reciprocating motion, all-dimensional purification of the on-line electret module 3 is achieved, and meanwhile resistance to air circulation can be reduced.

The steam sends subassembly 1 and the synchronous motion that carries out of steam receiving assembly 2, the synchronous real-time receipt of steam receiving assembly 2 steam or the gas-liquid mixture that subassembly 1 sent are sent to steam, send subassembly 1 through sending steam receiving assembly 2 motion path and steam and set up synchronous unanimous, can also receive the pollutant after the steam washs in real time, collect and wash and collect the pollutant in an organic whole.

The online electret module 3 is characterized in that a plurality of groups of steam jet orifices 4 are arranged on the steam emitting assembly 1, the steam jet orifices 4 are arranged in the direction of jetting steam or gas-liquid mixture to the online electret module 3, the steam emitting assembly 1 drives the steam jet orifices 4 to move on the air inlet side of the air circulation cavity through a motor, and the jetting range of the steam or the gas-liquid mixture covers the air inlet side of the whole air circulation cavity. The steam jet orifice 4 can be programmed to control a movement route through a PLC (programmable logic controller) or a single chip microcomputer, and the steam jet orifice 4 is driven by a motor to move on the air inlet side of the gas circulation cavity according to a set route so as to ensure that the air inlet side of the whole gas circulation cavity is cleaned and covered.

Steam sends subassembly 1 and is connected with high-pressure steam generating device, and high-pressure steam generating device sends subassembly 1 through steam through pipeline, outwards sprays steam or gas-liquid mixture, under the impact of high-speed and moist steam, carries out effectual washing with the pollutant in the online electret module 3, and the spray regime covers whole online electret module 3 air inlet side, has guaranteed to have no dead angle steam cleaning to the cavity, guarantees the cleaning performance, prevents the siltation of pollutant.

The steam receiving assembly 2 comprises a gas collecting hood 5 arranged on the air outlet side of the online electret module 3 and a fan used for leading air from the inside of the gas collecting hood 5, the gas collecting hood 5 is arranged to ensure that pollutants are not impacted into an air flow channel to prevent pollution, the pollutants and condensed steam are collected into the gas collecting hood 5 together, the steam or gas-liquid mixture emitted by the steam emitting assembly 1 has large energy attenuation after the steam or gas-liquid mixture is jetted out, and the air-leading fan needs to be installed at the tail of the recovery device under the condition that the thickness of the online electret module 3 is large, so that power is supplemented for steam cleaning and recovering the pollutants, and meanwhile, the cleaned pollutants and steam can be conveniently received in real time.

Preferably, the steam emitting assembly 1 is further provided with a distance adjusting mechanism which adjusts and changes the distance between the steam jet port 4 and the in-line electret module 3. The distance between the steam jet orifice 4 and the on-line electret module 3 can be effectively regulated and controlled through the distance regulating mechanism, the closer the distance is, the better the cleaning effect is, the higher the cleaning efficiency is, and the cleaning distance can be regulated according to actual requirements. The distance adjusting mechanism can be programmed and controlled to move through a PLC (programmable logic controller) or a singlechip, and is driven by a motor to move in the gas circulation cavity according to a set distance, so that the distance between the steam jet orifice 4 and the on-line electret module 3 is adjusted and changed, and the jet coverage area, the steam temperature and the steam jet speed of the steam jet orifice 4 are adjusted.

Preferably, the on-line electret module 3 includes a honeycomb-shaped hollow micro-channel formed by a dielectric material, the dielectric material wraps an electrode plate to form an electric field in the hollow micro-channel, and the aperture of the hollow micro-channel is 1-4 mm. Through the setting of honeycomb cavity microchannel, effectively guarantee air-purifying's air current stable, under the electric field effect in the cavity microchannel, particulate matter aerosol effectively purifies and deposits in the cavity microchannel, and the deflection distance of particulate matter reduces by a wide margin and easily attaches to the cavity microchannel inner wall, has guaranteed to purify the high efficiency of aerosol, and the honeycomb cavity microchannel that sets up steam cleaning of being convenient for, the wet and fast steam of velocity of flow of being convenient for concentrates on the high efficiency of rinsing in the cavity microchannel. The air inlet side of the on-line electret module 3 is provided with a charged area, a charging device such as a tungsten electrode needle is arranged in the charged area, and the particle aerosol enters the hollow micro-channel after being charged through the charged area and is more easily attached to the inner wall of the hollow micro-channel, so that the filtering efficiency of the particle aerosol is remarkably improved.

Preferably, the gas collecting hood 5 and the rear side of the fan are provided with a dust collecting cavity, the bottom of the dust collecting cavity is provided with a drain outlet, the dust collecting cavity is mainly used for isolating cleaned pollutants, the cleaned particulate mixed condensed steam water is collected in the dust collecting cavity through the fan, and the particulate mixed condensed steam water can be discharged through the drain outlet subsequently. The dust collecting cavity is internally provided with a dust collecting cavity, the dust collecting cavity is internally provided with a cleaning liquid, and the cleaning liquid is sprayed into the dust collecting cavity to soften and clean the dust collecting cavity, so that the pollutants can flow out of the dust discharging port along with the cleaning liquid to ensure that the dust collecting cavity is always kept clean. It should be noted that the utility model provides a top in dust collection chamber is equipped with the liquid and sprays the mouth and indicates that the liquid sprays the top position that the mouth set up in dust collection intracavity to guarantee that the liquid sprays the mouth and can spray whole dust collection chamber, the washing liquid also can be followed dust collection chamber top and down to the drain always.

Preferably, a baffle is arranged outside the steam injection port 4, the area of the inner side of the baffle is smaller than that of the inner side of the gas collecting hood 5, that is, the steam receiving assembly 2 has a larger area than that of the steam emitting assembly 1, so as to ensure that the steam emitted by the steam emitting assembly 1 and the cleaned pollutants can be completely collected by the steam receiving assembly 2 in real time. So can realize the washing of local position to do not influence the continuous purifying effect of not washing part, and finally pass through steam sends subassembly 1 and the reciprocating motion of steam receiving component 2, with the realization on-line cleaning, and can also guarantee that purifying effect lasts when guaranteeing to wash. The baffle outside the middle steam jet port 4 of the present invention is a baffle provided around the steam jet port 4 in the jet direction so as to rectify the jetted steam or gas-liquid mixture.

Preferably, the temperature of the steam or the gas-liquid mixture sprayed by the steam spraying opening 4 is 80-200 ℃, the pressure is 0.2-0.8 Mpa, the temperature of the steam or the gas-liquid mixture is higher, the softening and cleaning effects on stubborn stains are ensured, and the steam temperature of 80-200 ℃ has the effect of softening and stripping most stubborn stains.

Preferably, the steam or the gas-liquid mixture ejected from the steam ejection port 4 reaches the surface of the on-line electret module at a speed of 20 to 80m/s, and the speed of the ejected steam or the gas-liquid mixture decays rapidly, so that the cleaning effect is excellent when the speed of the ejected steam or the ejected gas-liquid mixture reaching the surface of the on-line electret module 3 is set to be 20 to 80 m/s.

Preferably, the distance between the steam jet port 4 and the surface of the on-line electret module 3 is 2-30 cm. The distance between the steam jet orifice 4 and the on-line electret module 3 is mainly used for protecting the steam jet orifice 4, under the condition that the distance is less than 2cm, the steam jet orifice 4 and the on-line electret module are likely to contact and rub, and the too close distance not only ensures small steam jet coverage area, but also ensures that the dielectric material of the on-line electret module 3 is easily damaged by high temperature, thereby reducing the service life; after the distance exceeds 30cm, the cleaning effect is greatly reduced under the condition that the spraying pressure is certain due to overlarge distance; therefore, in order to ensure the service life and the cleaning effect of the on-line electret module 3, the distance from the steam jet orifice 4 to the surface of the on-line electret module 3 is set to be 2-30 cm.

The utility model has strong practicability, higher automation degree, can completely meet the requirement of automatic cleaning, has reasonable structure of the steam cleaning component, simple operation program, is completely suitable for the online cleaning of the particle aerosol filtering component, adopts the high-pressure steam cleaning mode, has good cleaning effect, owing to adopted reciprocating motion's design, wash the number of times that can increase reciprocating motion according to the demand, effectively guarantee to be washd particulate matter aerosol filtering component's cleanness, the utility model discloses can be at the operation in-process or after the operation online automatic start-up wash and retrieve the pollutant, solve traditional cleaning technique and take time and take a lot of work, the maintenance cost is high, the problem that the big grade trade difficult problem of cleaning module wearing and tearing and emerging technique can't collect the processing pollutant, reduced use cost, satisfy people to the renewable sustainable application's of particulate matter filtering component demand.

In addition, the online electret module is cleaned by steam, and because the residual moisture on the surface of the online electret module is little after the online electret module is cleaned by high-temperature and high-pressure steam, condensed water is mainly concentrated and is generated after the online electret module passes through, the surface of the online electret module is easy to dry, and the rapid recovery and purification effect of the whole module can be ensured. Especially, in the air duct, the surface of the online electret module is cleaned by adopting steam, and because of certain air speed, no water is basically left on the surface of the online electret module after cleaning, so that the online electret module can continuously run without being detached for cleaning, and the particle aerosol is continuously and effectively purified during cleaning.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims (10)

1. A reproducible particulate matter aerosol filter assembly, comprising: including online electret module (3) that at least one-level set up along the gas flow direction and set up respectively online electret module (3) air inlet side, the steam of air-out side send subassembly (1) and steam receiving component (2), steam sends subassembly (1) and steam receiving component (2) and can follows reciprocating motion is to the terminal surface of online electret module (3), the cross-sectional area that steam sent subassembly (1) and/or steam receiving component (2) is less than the cross-sectional area of online electret module (3), steam sends and is equipped with multiunit steam jet orifice (4) on subassembly (1), the direction of steam jet orifice (4) sets up to online electret module (3) sprays steam or gas-liquid mixture, steam receiving component (2) are including setting up gas collection cover (5) of online electret module (3) air-out side and be used for following the fan electret of induced air in gas collection cover (5) .

2. The regenerable particulate aerosol filter assembly of claim 1, wherein: the steam emitting assembly (1) is further provided with a distance adjusting mechanism, and the distance adjusting mechanism adjusts and changes the distance between the steam jet orifice (4) and the on-line electret module (3).

3. The regenerable particulate aerosol filter assembly of claim 1, wherein: the on-line electret module (3) comprises a honeycomb-shaped hollow micro-channel formed by dielectric materials, and the dielectric materials wrap electrode plates to form an electric field in the hollow micro-channel.

4. The regenerable particulate aerosol filter assembly of claim 3, wherein: the aperture of the hollow micro-channel is 1-4 mm.

5. The regenerable particulate aerosol filter assembly of claim 1, wherein: and a dust collecting cavity is arranged on the rear sides of the gas collecting hood (5) and the fan, and a sewage discharge outlet is formed in the bottom of the dust collecting cavity.

6. The regenerable particulate aerosol filter assembly of claim 5, wherein: and a liquid spraying port is arranged above the dust collecting cavity and sprays cleaning liquid into the dust collecting cavity.

7. The regenerable particulate aerosol filter assembly of claim 1, 2 or 3, wherein: a baffle is arranged on the outer side of the steam jet opening (4), and the area of the inner side of the baffle is smaller than that of the inner side of the gas collecting hood (5).

8. The regenerable particulate aerosol filter assembly of claim 1, 2 or 3, wherein: the temperature of the steam or the gas-liquid mixture sprayed by the steam spraying opening (4) is 80-200 ℃, and the pressure is 0.2-0.8 MPa.

9. The regenerable particulate aerosol filter assembly of claim 1, 2 or 3, wherein: the speed of the steam or the gas-liquid mixture sprayed by the steam spraying opening (4) reaching the surface of the on-line electret module is 20-80 m/s.

10. The regenerable particulate aerosol filter assembly of claim 1, 2 or 3, wherein: the distance between the steam jet orifice (4) and the surface of the on-line electret module (3) is 2-30 cm.

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