CN109701327A - Big flow high efficiency bilayer aerosol fillter - Google Patents
Big flow high efficiency bilayer aerosol fillter Download PDFInfo
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- CN109701327A CN109701327A CN201910000246.1A CN201910000246A CN109701327A CN 109701327 A CN109701327 A CN 109701327A CN 201910000246 A CN201910000246 A CN 201910000246A CN 109701327 A CN109701327 A CN 109701327A
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- high efficiency
- filter core
- support plate
- engine air
- bottom support
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Abstract
The invention discloses big flow high efficiency bilayer aerosol fillter, including bottom support plate and air compressor machine, bottom support plate is placed with engine air filter core by the limiting slot that its top opens up, and double glazing fiber filter paper is placed at the top of engine air filter core.The big flow high efficiency bilayer aerosol fillter, pass through being used cooperatively for engine air filter core and double glazing fiber filter paper, gas is filtered twice, help to promote filter effect, and the gas outlet of filter is located at top, air flow direction is from bottom to top, with the increase of sampling quantity, the amount of dust being deposited on engine air filter core gradually increases, due to gravity, make the particulate filtered out is most of to slide from engine air filter core, gas-flow resistance will not be generated, it avoids that engine air filter core is caused to block and decline sampling flow, it ensure that the efficiency of filtering, the effect of filtering is greatly improved using the design of above-mentioned double medium filtration.
Description
Technical field
The present invention relates to aerosol technology fields, specifically big flow high efficiency bilayer aerosol fillter.
Background technique
Contain the aerosols such as a large amount of dust, radon daughter in air.Many apparatus need to need using clean air
It to use aerosol fillter to filter out aerosol, obtain clean air.
Most widely used engine filter core is usually Fiber Materials, and gas-flow resistance is small, and sampling flow is big, main filtration ash
The partial sizes such as dirt are greater than 1 μm of particulate, and the radon daughter aerosol filtration efficiency for partial size less than 1 μm is lower.Part essence
Close measuring instrument requires gas cleannes higher, and filtering partial size is not only required to be greater than 1 μm of particulate, also require for
Radon daughter aerosol filtration efficiency of the partial size less than 1 μm reaches 99% or more.In this case, glass fiber filter paper is generally used
Filtering.The type filter paper thickness is thicker, and voidage is small, can achieve very high filter efficiency using multi-layer filter paper.Disadvantage exists
It is larger in gas-flow resistance, and particulate especially aerosol in large grain size particle is easy blocking glass fiber filter paper hole.Cause
This type filter paper can not be used directly in large flow filter, using being also required to often replace in small traffic sampling device,
Otherwise particulate can block filter paper hole, and sampling flow is caused to decline rapidly.
John Li Sen of Siemens Company et al. is existed by the way that wire mesh is arranged in filtering surface with reducing particulate
The absorption of surface.It is readily cleaned aerosol fillter, so as to reuse.
The aerosol fillter that the above aerosol fillter technology contents through enumerating show that the current country generallys use is equal
Do not have the characteristics of big flow and filtration efficiency, cannot especially work under the very high environment of dust concentration for a long time.
Summary of the invention
The purpose of the present invention is to provide a kind of big flow high efficiency bilayer aerosol fillters, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the invention provides the following technical scheme:
A kind of big flow high efficiency bilayer aerosol fillter, including bottom support plate and air compressor machine, the bottom support plate are logical
It crosses the limiting slot that its top opens up and is placed with engine air filter core, be placed with the double-deck glass at the top of the engine air filter core
Glass fiber filter paper is placed with wire netting at the top of the double glazing fiber filter paper, is placed with silica gel at the top of the wire netting
Seal washer, conical gas port is placed at the top of the silica gel sealing washer, and the gas outlet of the cone gas port is solid
Dingan County is equipped with air stream outlet.
As a further solution of the present invention: the bottom of the cone gas port is square, the bottom support plate
Shape is also rectangular, the air stream outlet, silica gel sealing washer, wire netting, double glazing fiber filter paper and engine air filter
The shape of core is circle.
As further scheme of the invention: the quadrangle of the cone gas port and bottom support plate, which is run through, to be opened up
There is screw hole, the screw hole on screw hole and bottom support plate on the cone gas port corresponds, and two one a pair of
It is threaded with matched long spiro nail between the screw hole answered, leads between the cone gas port and bottom support plate
Long spiro nail is crossed to be fixed.
As further scheme of the invention: the wire netting uses specification for the wire netting of 200 mesh.
As further scheme of the invention: the gas outlet of the air stream outlet is located at top, and air flow direction is under
It is flowed upwards.
As the present invention further scheme: the air stream outlet can be by hose and air compressor machine that its gas outlet is installed
Air inlet be fixedly connected.
Compared with prior art, the beneficial effects of the present invention are:
The present invention is used cooperatively by engine air filter core and double glazing fiber filter paper, is filtered twice to gas,
Help to promote filter effect, and the gas outlet of filter is located at top, air flow direction is from bottom to top, with the increasing of sampling quantity
Greatly, the amount of dust being deposited on engine air filter core gradually increases, and due to gravity, makes the big portion of the particulate filtered out
Divide and slid from engine air filter core, gas-flow resistance will not be generated, avoids that engine air filter core is caused to block and make to sample
Flow decline, ensure that the efficiency of filtering, greatly improve the effect of filtering, filter effect using the design of above-mentioned double medium filtration
Good, long-play not will lead to flow decline, filter can for a long time, efficient operation, and do not needed in the course of work
Artificial frequently replacement filter paper, while whole device is connected using four root long screws, consequently facilitating being dismantled and being safeguarded to it, just
In use, double glazing fiber filter paper is supported by the wire netting of setting, in case large flow-rate gas stream is double glazing fibre
Dimension filter paper is torn, and helps to promote its service life, this filter reaches 99.9% to the filter efficiency of big partial size dust, to radon
The filter efficiency of daughter reaches 99.5%.In the higher environment of dust concentration, continuous work 10 hours, because dust obstruction draws
The flow risen is dropped by less than 2%.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of big flow high efficiency bilayer aerosol fillter.
In figure: air stream outlet 1, conical gas port 2, silica gel sealing washer 3, wire netting 4, double glazing fiber filter paper 5,
Engine air filter core 6, bottom support plate 7.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, in the embodiment of the present invention, a kind of big flow high efficiency bilayer aerosol fillter, including bottom branch
Fagging 7 and air compressor machine are fixedly installed with flowmeter, the limit that bottom support plate 7 is opened up by its top at the air inlet of air compressor machine
Position slot is placed with engine air filter core 6, and the top of engine air filter core 6 is placed with double glazing fiber filter paper 5, the double-deck glass
The top of glass fiber filter paper 5 is placed with wire netting 4, and the top of wire netting 4 is placed with silica gel sealing washer 3, silica gel sealing washer 3
Top be placed with conical gas port 2, the gas outlet of conical gas port 2 is fixedly installed with air stream outlet 1, conical air guide
The bottom in hole 2 is square, the shape of bottom support plate 7 be also it is rectangular, it is air stream outlet 1, silica gel sealing washer 3, wire netting 4, double
Layer glass fiber filter paper 5 and the shape of engine air filter core 6 are circle, conical gas port 2 and the four of bottom support plate 7
Angle, which is run through, offers screw hole, and the screw hole on conical gas port 2 and the screw hole in bottom support plate 7 correspond,
Matched long spiro nail is threaded between two one-to-one screw holes, conical gas port 2 is supported with bottom
It is fixed between plate 7 by long spiro nail, wire netting 4 uses specification for the wire netting of 200 mesh, the gas outlet position of air stream outlet 1
In top, air flow direction is to be flowed from bottom to top, and air stream outlet 1 can pass through hose that its gas outlet is installed and air compressor machine
Air inlet is fixedly connected, and the size of engine air filter core 6 and double glazing fiber filter paper 5 can be adjusted arbitrarily.Engine
The diameter and height of air filtering core 6 are bigger, and filter area is bigger, in the case where identical dust filtration yield, deposited per area unit
Amount of dust is smaller, also longer using the time, therefore in the case where cost does not dramatically increase, and biggish engine should be used empty
Filter element, the diameter of double glazing fiber filter paper 5 should be slightly less than the diameter of engine air filter core 6, and it should also be as far as possible
Using larger-diameter.
Filter is placed in closed room when carrying out the inspection of dust strainability, increases by one layer of glass by this filter
Glass fiber filter paper amounts to three layers, fugitive dust is manufactured in closed room using the method for artificial fugitive dust, dust concentration is greater than 10-6 μ
G/m3 starts air compressor machine continuous operation 2 hours, maintains sampling flow 100L/min, and the precision balance weighing of service precision 1mg is adopted
Filter material quality before and after sample, their difference are the dust quality adsorbed, and calculate dust unpicking rate: third using following methods
The dust quality of layer glass fiber filter paper absorption except former layer glass fiber and air compressor machine Adsorption of Filter Paper dust quality it
Be one to subtract unpicking rate with, filter efficiency, according to test result, dust filter efficiency mean value is 99.9%, this filter into
When row radon daughter strainability is examined, filter is placed in the massif tunnel of radon consistence about 5000Bq/m3, increases by one layer of glass
Fiber filter paper amounts to three layers, starts air compressor machine continuous operation 2 hours, maintains sampling flow 100L/min, then measures each layer filter
The radon daughter activity of paper absorption calculates radon daughter unpicking rate: radon of third layer glass fiber filter paper absorption using following methods
Volume activity removes the sum of former layer glass fiber and the radon daughter activity of air compressor machine Adsorption of Filter Paper, and filter efficiency is one to subtract
Unpicking rate, according to test result, the filter efficiency mean value to radon daughter is 99.5%, this filter is carrying out long-play stream
When measuring drawdown test, the filter and air compressor machine are placed on the more tunnel construction scene of dust, starting air compressor machine is grown
Time sampling maintains sampling flow 100L/min, to avoid caused by being generated heat due to air compressor machine long-time continuous operation under flow
The interference of drop factor is run in the following ways: the every operation of air compressor machine 30 minutes just stops 10 minutes cooling, continuous operation 13
Hour, wherein compressor operation time 10 hours, because the drop of flow caused by dust blocks is less than 2%.
The working principle of the invention is:
In use, air-flow enters the inside of filter engine air filter core 6 from the outside of engine air filter core 6 first when work,
By being used cooperatively for engine air filter core 6 and double glazing fiber filter paper 5, it is thick that engine air filter core 6 acts on the first order
Most dusts and part radon daughter are filtered in filtering, are deposited on 6 outside of engine air filter core, double glazing fiber filter paper 5
It is carefully filtered for the second level, remaining radon daughter is filtered, and the gas outlet of filter is located at top, air flow direction is under
Upwards, with the increase of sampling quantity, the amount of dust being deposited on engine air filter core 6 gradually increases, and due to gravity, makes
The particulate filtered is most of to be slid from engine air filter core 6, will not be generated gas-flow resistance, be avoided to engine air
Filter core 6 causes to block and decline sampling flow, ensure that the efficiency of filtering, deposits radon daughter on double glazing fiber filter paper 5
With minimal amount of dust, apparent blocking action will not be generated to double glazing fiber filter paper 5, be designed using above-mentioned double medium filtration
Greatly improve the effect of filtering, filter effect is good, long-play not will lead to flow decline, filter can for a long time,
Efficient operation, and artificial frequently replacement filter paper is not needed in the course of work, while connecting entire dress using four root long screws
Set, consequently facilitating dismantled and safeguarded to it, be easy to use, by the wire netting 4 of setting to double glazing fiber filter paper 5 into
Row support, in order to avoid large flow-rate gas stream tears double glazing fiber filter paper 5, helps to promote its service life.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (6)
1. a kind of big flow high efficiency bilayer aerosol fillter, including bottom support plate (7) and air compressor machine, it is characterised in that:
The bottom support plate (7) is placed with engine air filter core (6), the engine air by the limiting slot that its top opens up
It is placed at the top of filter core (6) double glazing fiber filter paper (5), is placed with iron at the top of the double glazing fiber filter paper (5)
Silk screen (4) is placed with silica gel sealing washer (3) at the top of the wire netting (4), puts at the top of the silica gel sealing washer (3)
It is equipped with conical gas port (2), the gas outlet of the cone gas port (2) is fixedly installed with air stream outlet (1).
2. big flow high efficiency bilayer aerosol fillter according to claim 1, it is characterised in that: the cone is led
The bottom of stomata (2) is square, and the shape of the bottom support plate (7) is also rectangular, the air stream outlet (1), silica gel sealing
Washer (3), wire netting (4), double glazing fiber filter paper (5) and the shape of engine air filter core (6) are circle.
3. big flow high efficiency bilayer aerosol fillter according to claim 1, it is characterised in that: the cone is led
The quadrangle of stomata (2) and bottom support plate (7), which is run through, offers screw hole, the screw hole on the cone gas port (2)
It corresponds with the screw hole on bottom support plate (7), is threaded with and its Xiang Shi between two one-to-one screw holes
The long spiro nail matched is fixed between the cone gas port (2) and bottom support plate (7) by long spiro nail.
4. big flow high efficiency bilayer aerosol fillter according to claim 1, it is characterised in that: the wire netting
(4) use specification for the wire netting of 200 mesh.
5. big flow high efficiency bilayer aerosol fillter according to claim 1, it is characterised in that: the air stream outlet
(1) gas outlet is located at top, and air flow direction is to be flowed from bottom to top.
6. big flow high efficiency bilayer aerosol fillter according to claim 1, it is characterised in that: the air stream outlet
(1) it can be fixedly connected by the hose that its gas outlet is installed with the air inlet of air compressor machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910000246.1A CN109701327A (en) | 2019-01-01 | 2019-01-01 | Big flow high efficiency bilayer aerosol fillter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910000246.1A CN109701327A (en) | 2019-01-01 | 2019-01-01 | Big flow high efficiency bilayer aerosol fillter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109701327A true CN109701327A (en) | 2019-05-03 |
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ID=66260560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910000246.1A Pending CN109701327A (en) | 2019-01-01 | 2019-01-01 | Big flow high efficiency bilayer aerosol fillter |
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| CN (1) | CN109701327A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113238273A (en) * | 2021-04-27 | 2021-08-10 | 赛睿环仪(北京)科技有限公司 | Radon daughter measuring system and method |
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| CN202620828U (en) * | 2012-06-15 | 2012-12-26 | 北京雪迪龙科技股份有限公司 | Filtration device |
| CN203949304U (en) * | 2014-07-24 | 2014-11-19 | 韩福来 | A kind of house and vehicle-mounted air filtration and purification apparatus |
| CN204582894U (en) * | 2015-04-23 | 2015-08-26 | 郑州中斯达环境科技有限公司 | Purification of air tabular complex function filter screen |
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|---|---|---|---|---|
| CN101439250A (en) * | 2008-11-28 | 2009-05-27 | 同济大学 | Air filter for fuel cell |
| CN202237650U (en) * | 2011-03-18 | 2012-05-30 | 深圳市高科金信净化科技有限公司 | Efficient filter |
| CN202620828U (en) * | 2012-06-15 | 2012-12-26 | 北京雪迪龙科技股份有限公司 | Filtration device |
| CN203949304U (en) * | 2014-07-24 | 2014-11-19 | 韩福来 | A kind of house and vehicle-mounted air filtration and purification apparatus |
| CN204582894U (en) * | 2015-04-23 | 2015-08-26 | 郑州中斯达环境科技有限公司 | Purification of air tabular complex function filter screen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113238273A (en) * | 2021-04-27 | 2021-08-10 | 赛睿环仪(北京)科技有限公司 | Radon daughter measuring system and method |
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