CN109847490A - A kind of rigid gas-liquid coalescence filter element, its preparation method and device - Google Patents
A kind of rigid gas-liquid coalescence filter element, its preparation method and device Download PDFInfo
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- CN109847490A CN109847490A CN201910212399.2A CN201910212399A CN109847490A CN 109847490 A CN109847490 A CN 109847490A CN 201910212399 A CN201910212399 A CN 201910212399A CN 109847490 A CN109847490 A CN 109847490A
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- binder
- filter core
- porous mold
- gas
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- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 238000004581 coalescence Methods 0.000 title claims description 56
- 239000000463 material Substances 0.000 claims abstract description 183
- 239000011230 binding agent Substances 0.000 claims abstract description 107
- 238000001035 drying Methods 0.000 claims abstract description 31
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- 238000000926 separation method Methods 0.000 claims description 26
- 239000012530 fluid Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims description 12
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 235000019353 potassium silicate Nutrition 0.000 claims description 5
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 5
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 4
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- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
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- 230000000694 effects Effects 0.000 description 7
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- Filtering Materials (AREA)
Abstract
本发明提供了一种刚性气液聚结滤芯、其制备方法及装置，所述滤芯包括：聚结层，环绕于中央进气通道外侧，用于聚结并分离经所述进气通道流入的气体中的液滴；以及排液层，环绕于所述聚结层外侧，用于为所述聚结后的液滴提供排液通道；其中，所述聚结层为含有粘结剂的第一柔性材料经过干燥固结形成，所述排液层为含有粘结剂的第二柔性材料经过干燥固结形成，其中，所述含有粘结剂的第一柔性材料和含有粘结剂的第二柔性材料为通过真空抽吸使粘结剂溶液通过所述第一柔性材料和所述第二柔性材料得到，本发明可提高气液聚结滤芯的强度，以满足高压工况的要求。
The invention provides a rigid gas-liquid coalescing filter element, a preparation method and a device thereof. The filter element comprises: a coalescing layer surrounding the outer side of a central air inlet channel for coalescing and separating the air flowing in through the air inlet channel. droplets in the gas; and a liquid drainage layer, surrounding the outer side of the coalescing layer, for providing a drainage channel for the coalesced droplets; wherein, the coalescing layer is the first layer containing a binder A flexible material is formed by drying and consolidating, and the liquid drainage layer is formed by drying and consolidating a second flexible material containing an adhesive, wherein the first flexible material containing an adhesive and a second flexible material containing an adhesive are formed by drying and consolidating. The second flexible material is obtained by passing the binder solution through the first flexible material and the second flexible material through vacuum suction. The present invention can improve the strength of the gas-liquid coalescing filter element to meet the requirements of high-pressure working conditions.
Description
Technical field
The present invention relates to gas-liquid filteration technical field more particularly to a kind of rigid gas-liquid Coalescence filter core, preparation method and
Device.
Background technique
Liquid impurity is usually contained in the process gas such as natural gas, coal bed gas and dry gas seals gas, these liquid impurity meetings
Influence the safe operation of downstream related equipment, it is therefore desirable to be filtered, be filtered usually in high pressure to the drop in gas
Operating condition (such as transported after natural gas needs compressor station to pressurize natural gas, pressure is in three lines of transferring natural gas from the west to the east
12MPa) under carry out.The drop for being 0.1~1 μm for partial size, is generally filtered using coalescing filter, and coalescing filter is usually used
In the downstream of blade separator, mist eliminator and filter separator, the big drop in gas is through blade separator, mist eliminator and filtering
Separator is removed, and droplet is then removed by coalescing filter.
Existing coalescing filter is made of inner frame and fibrous filter layer.Inner frame generallys use metal material processing shape
At support can be provided for fibrous filter layer to be porous tubular structured.Fibrous filter layer includes coalescing layer and drain layers.Coalescence
Layer and drain layers can play the role of filtering drop, and the two is multi-lay winding form.Current coalescing layer generallys use glass
Fibrous material is made, and drain layers generally use needle felt material and are made.Coalescing layer plays coalescence to the droplet in Incoming gas
It acts on, after droplet collision fiber in the case where inertia, diffusion and intercepting effect effect, is gradually agglomerated into big drop.The work of drain layers
With being to provide apocenosis passage for liquid, filter core can be smoothly discharged in the liquid after making coalescence under the effect of gravity, reduce secondary folder
Zoning occurs.
Currently used coalescing filter is entwined by flexible material.Flexible material does not have compressive strength, in height
Compressive deformation can occur for pressure, and filter material internal structure can occur severely deformed, and pore structure is caused to change, influence coalescence and
Discharge opeing process causes filter effect undesirable.Also, under high pressure operating condition, gas density is significantly increased, and the buoyancy of drop is therewith
Increase, causes liquid discharge rate in drain layers to slow down relatively, will form hydrops in drain layers, hydrops amount increases, gas stream
Logical area is reduced, and the gas velocity for flowing through drain layers just will increase, and is caused gas to enhance the souring of liquid in drain layers, is worked as product
Liquid measure reaches a certain level, i.e. saturation hydrops amount, will cause serious reentrainment.In addition, the material of inner frame generallys use
Metal be easy to cause skeleton damaged, to cause filter failure if containing corrosive elements in gas and drop.
Summary of the invention
It is an object of the present invention to provide a kind of rigid gas-liquid Coalescence filter cores, improve the intensity of gas-liquid Coalescence filter core,
To meet the requirement of high pressure operating condition.It is another object of the present invention to provide a kind of preparation sides of rigid gas-liquid Coalescence filter core
Method.Another purpose of the invention is that providing a kind of preparation facilities of rigid gas-liquid Coalescence filter core.
In order to reach the goals above, one aspect of the present invention discloses a kind of rigid gas-liquid Coalescence filter core, comprising:
Coalescing layer is surrounded on the outside of central air induction channel, for coalescing and separating the gas flowed into through the inlet channel
In drop；And
Drain layers are surrounded on the outside of the coalescing layer, for providing apocenosis passage for the drop after the coalescence；
Wherein, the coalescing layer is that the first flexible material containing binder is formed by drying and consolidating, the drain layers
It is formed for the second flexible material containing binder by drying and consolidating, wherein first flexible material containing binder
With the second flexible material containing binder for by vacuum suction make binder solution pass through first flexible material and institute
The second flexible material is stated to obtain.
Preferably, the filter core further comprises the pre-separation set on the coalescing layer close to the inlet channel side
Layer.
Preferably, the pre-separation layer is that the third flexible material containing binder is formed by drying and consolidating, described to contain
The third flexible material for having binder is to obtain binder solution by the third flexible material by vacuum suction.
Preferably, the pre-separation layer is multi-lay winding form or puckered ring around form.
Preferably, the third flexible material is ceramic fibre or non-woven fabrics.
Preferably, the coalescing layer and/or the drain layers are multi-lay winding form or puckered ring around form.
Preferably, the material of the coalescing layer is glass fibre, polyester fiber or polypropylene fibre.
Preferably, the material of the drain layers is Nomex.
Preferably, the binder be one of silica solution, waterglass, Aluminum sol, polyvinyl alcohol or polyethylene glycol or
It is a variety of.
Another aspect of the present invention discloses a kind of preparation method of rigid gas-liquid Coalescence filter core, comprising:
First flexible material and the second flexible material are successively fastened around on porous mold；
The ostiolate one end of the multiple-hole die is connect with fluid reservoir；
The fluid reservoir is controlled to a vacuum pump；
The porous mold is placed in binder solution, the first flexible material on the porous mold and second soft is made
Property material is at least partially immersed in the binder solution；
Starting the vacuum pump suction makes the binder solution successively pass through second flexible material and described first
Flexible material simultaneously enters fluid reservoir by the through-hole on the porous mold and obtains the first flexible material containing binder and contain
There is the second flexible material of binder；
Porous mold is taken out from the binder solution and continues through the vacuum pump suction；
The first flexible material on porous mold containing binder and the second flexible material containing binder is dry solid
Tie and by after drying and consolidating the first flexible material and the second flexible material remove to obtain the rigidity from the porous mold
Gas-liquid Coalescence filter core.
Preferably, the method further includes being successively fastened around by the first flexible material and the second flexible material
Third flexible material is fastened around on the porous mold before on porous mold.
Preferably, described that the porous mold is placed in binder solution, make the first flexibility on the porous mold
Material and being at least partially immersed in the binder solution for the second flexible material specifically include:
It is placed in binder solution when by the porous mold, makes the portion of first flexible material and the second flexible material
When sub-dip is entered in the binder solution, rotating the porous mold makes flexible material not immerse the portion in the binder solution
Divide and successively immerses the binder solution.
The invention also discloses a kind of preparation facilities of rigid gas-liquid Coalescence filter core, comprising:
Solution pool, for installing binder solution；
Porous mold is used to support the flexible material for being used to form the filter core；
Fluid reservoir is connected to by pipeline with the porous mold；
Vacuum pump is connected to by pipeline with the fluid reservoir.
Preferably, described device further comprises rotating device；
The rotating device is for rotating the porous mold.
The present invention provides a kind of rigid gas-liquid Coalescence filter cores.Coalescing layer and drain layers difference in Coalescence filter core of the present invention
Rigid gas-liquid Coalescence filter core is formed by the first flexible material containing binder and the second flexible material drying and consolidating.It is formed poly-
Pass through binder solution by vacuum suction on knot layer and the flexible material of drain layers and is attached with a small amount of binder, binder
Remain at fiber and interfibrous contact point, by by after binder drying and consolidating, fiber together with consolidated fibers, thus
The rigidity that flexible material can be improved makes coalescing layer and drain layers have certain compressive strength, can keep original flexible material
Pore structure, so that rigid gas-liquid Coalescence filter core be enable to work normally under high pressure operating condition.Also, rigid gas of the invention
Self-supporting may be implemented as rigid structure in liquid Coalescence filter core sheet, no longer needs to setting inner frame and provides support, can reduce into
This.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 shows a kind of main view sectional view of rigid gas-liquid one specific embodiment of Coalescence filter core of the present invention；
Fig. 2 shows a kind of top cross-sectional views of rigid gas-liquid one specific embodiment of Coalescence filter core of the present invention；
Fig. 3 shows the enlarged drawing of a-quadrant in Fig. 2；
Fig. 4 shows fiber and the signal after consolidated fibers in flexible material in a kind of rigid gas-liquid Coalescence filter core of the present invention
Figure；
Fig. 5 shows in a kind of rigid gas-liquid Coalescence filter core of the present invention that fiber is put with the material object after consolidated fibers in flexible material
Big figure；
Fig. 6 show a kind of flow chart of one specific embodiment of preparation method of rigid gas-liquid Coalescence filter core of the present invention it
One；
Fig. 7 show a kind of flow chart of one specific embodiment of preparation method of rigid gas-liquid Coalescence filter core of the present invention it
Two；
Fig. 8 shows a kind of schematic diagram of the preparation facilities of rigid gas-liquid Coalescence filter core of the present invention.
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.
According to an aspect of the present invention, present embodiment discloses a kind of rigid gas-liquid Coalescence filter cores.Such as Fig. 1-Fig. 3 institute
Show, in the present embodiment, the rigidity gas-liquid Coalescence filter core includes coalescing layer 20 and drain layers 30.During the coalescing layer 20 is surrounded on
It entreats on the outside of inlet channel, for coalescing and separating the drop in the gas flowed into through the inlet channel, 30 ring of drain layers
It is around in 20 outside of coalescing layer, the drop for coalescing formation after the coalescing layer 20 for gas provides apocenosis passage.
Wherein, the coalescing layer 20 is that the first flexible material containing binder is formed by drying and consolidating, the drain
Layer 30 is formed for the second flexible material containing binder by drying and consolidating, wherein described first containing binder is flexible
Material and the second flexible material containing binder are so that binder solution 1 is passed through first flexible material by vacuum suction
It is obtained with second flexible material.
The present invention provides a kind of rigid gas-liquid Coalescence filter cores.Coalescing layer 20 and drain layers 30 in Coalescence filter core of the present invention
Rigid gas-liquid Coalescence filter core is formed by the first flexible material containing binder and the second flexible material drying and consolidating respectively.Shape
A small amount of bonding is attached at binder solution 1 is passed through by vacuum suction on the flexible material of coalescing layer 20 and drain layers 30
Agent, binder remain at the contact point 50 between fiber 40 and fiber 40, by by after binder drying and consolidating, fiber 40 and fine
Dimension 40 is consolidated, as shown in Figure 4 and Figure 5.By the attachment binder at the contact point 50 of fiber 40 and fiber 40 and admittedly
The rigidity of flexible material can be improved in knot, so that coalescing layer 20 and drain layers 30 is had certain compressive strength, while can keep original
Flexible material pore structure, so that rigid gas-liquid Coalescence filter core be enable to work normally under high pressure operating condition.Also, this hair
The coalescing layer 20 and drain layers 30 of bright rigid gas-liquid Coalescence filter core have certain rigidity, and self-supporting may be implemented, no longer need to set
It sets inner frame and support is provided, cost can be reduced.
In a preferred embodiment, the filter core further comprises being set to the coalescing layer 20 close to the inlet channel
The pre-separation layer 10 of side.In gas-liquid agglomeration process, drop that filter core has trapped due to air-flow souring again
Form reentrainment phenomenon into downstream airflow causes under filter efficiency so as to cause the increase of concentration of liquid drops in downstream airflow
Drop, this phenomenon are very easy in drop occur in the micron-scale.It can be in the air-flow of inlet channel by setting pre-separation layer 10
Big drop carry out initial gross separation, can reduce the hydrops amount in coalescing layer 20 and drain layers 30, to reduce the secondary folder of filter core
Zoning.
In a preferred embodiment, the pre-separation layer 10 is the third flexible material containing binder by dry solid
Knot is formed, and the third flexible material containing binder is to keep binder solution 1 soft by the third by vacuum suction
Property material obtains.Vacuum suction binder solution 1 makes binder solution 1 pass through third flexible material, and then drying and consolidating is formed
Pre-separation layer 10 makes pre-separation layer 10 have certain rigidity.Then making the pre-separation layer 10 can be coalescing layer 20 and drain layers 30
Certain supporting role is provided, so that the inner frame in alternative existing filter core, can effectively prevent filter core due to liquid corruption
It is destroyed caused by erosion.
In a preferred embodiment, for coalescing layer 20 around inlet channel is formed, drain layers 30 are surrounded on the coalescing layer
20 outsides.It wherein, may include two kinds around form, i.e., multi-lay winding form and puckered ring are around form.20 He of coalescing layer
The drain layers 30 can be using multi-lay winding form and puckered ring around two kinds of form any one in form.It can
It, can also be by first will by forming the coalescing layer 20 of multi-lay winding form around the first flexible material of inlet channel multi-lay winding
First flexible material folds, and folded first flexible material is then formed puckered ring around the coalescence of form around coalescing layer 20
Layer 20, as shown in Figure 3.Similarly, drain layers 30 and pre-separation layer 10 can use multi-lay winding form, can also use puckered ring
Around form, setting form can be selected according to the actual situation, the present invention is to this and is not construed as limiting.
In a preferred embodiment, glass fibre 40, polyester fiber 40 or poly- third can be selected in first flexible material
Alkene fiber 40.The thickness of first flexible material is preferably between 0.3~1mm, and average pore size is preferably 1~20 μm.
Nomex, such as aramid fiber Nomex, terylene needled felt or polypropylene fibre Nomex etc. can be selected in second flexible material.
The thickness of first flexible material is preferably 1~3mm, and average pore size is preferably 20~100 μm.
Ceramic fibre 40 or non-woven fabrics can be selected in the third flexible material.The thickness of third flexible material is preferably 0.5
~3mm, average pore size are preferably 20~150 μm.
Pre-separation layer 10, coalescing layer 20 are different with the pore size of the flexible material of drain layers 30, wherein coalescing layer 20
Hole is smaller, and the aperture of pre-separation layer 10 and drain layers 30 is larger.Pre-separation layer 10 plays the role of pre-separation, pre-separation layer 10
Larger hole separates the larger drop in gas；The hole of coalescing layer 20 is smaller, makes in gas under the blocking of smaller aperture
Droplet when penetrating gather and at big drop；Drain layers 30 are larger aperture, while not increasing filter core pressure drop, are increased
Drain layers 30 are added to be conducive to poly- big drop smooth drain under the effect of gravity simultaneously.
In a preferred embodiment, silica solution, waterglass, Aluminum sol, polyvinyl alcohol or poly- second two can be selected in binder
One of similar binder such as alcohol is a variety of.The equal drying and dehydrating solidification of the binder curing mode of selection, drying temperature are optional
80~150 DEG C are selected, 5~12h may be selected in drying time.Preferably, drying means can be selected microwave method and be dried, can be by drying
Time foreshortens to 10~20min, and it is uncured preceding in heat effect and capillarity also to can inhibit bonding solution in general drying process
It is lower to be migrated to cartridge surface, the problem of causing binder to be unevenly distributed.Certainly, in practical applications, other energy can also be used
It enough improves the binder of flexible material rigidity and selects corresponding drying temperature and time, the present invention is to this and is not construed as limiting.
It should be noted that merely exemplary provides the first flexible material, the second flexible material and third in the present embodiment
Material, thickness and the pore size of flexible material can also select other flexible materials in practical applications according to the actual situation
The thickness and pore-size of material and flexible material, the present invention is to this and is not construed as limiting.
According to another aspect of the present invention, the present embodiment also discloses a kind of preparation method of rigid gas-liquid Coalescence filter core.
As shown in fig. 6, in the present embodiment, which comprises
S100: the first flexible material and the second flexible material are successively fastened around on porous mold 2.For example, when poly-
When tying layer 20 using multi-lay winding form, the first flexible material can be fastened layer by layer on porous mold 2, preferably
Wind 4~8 layers.
When drain layers 30 are when using puckered ring around form, the second flexible material can first be folded, then by the of folding
Two flexible materials are fastened around the outside of coalescing layer 20.
Preferably, the first flexible material and the second flexible material are fixed on porous mold 2 by the form that gluing can be used
Outside.It is furthermore preferred that the gluing form a little connect can be used, i.e., fixed at interval of pre-determined distance Tu Yici glue with gluing.For example, logical
It crosses gluing the first flexible material is fixed on porous mold 2, can be smeared on the inside of flexible material every 1~10cm glue rifle few
Glue is measured, is then firmly fixed.Then the folded length of the second flexible material can fold primary every 5~30mm, and one
Foldable 120~360 times of week, after being looped around 30 outside of drain layers, by the head and the tail of the second flexible material by way of gluing
Gluing is fixed together.
S200: one end that the porous mold 2 is open is connect with fluid reservoir 3.Porous mold 2 used includes the one of opening
End, the other end is closed end, and one end of opening can be used for connecting fluid reservoir 3.Multiple through-holes, through-hole are formed on porous mold 2
Aperture is preferably 2~5mm, and through-hole spacing is 10~50mm.In a preferred embodiment, flexible material is fastened porous
Before mold 2, the similar greasing substance such as glycerol can be first smeared on porous mold 2, it can be smoothly from multiple-hole die after facilitating filter core dry
It is removed on tool 2.
S300: the fluid reservoir 3 is connect with vacuum pump 4.Vacuum pump 4, which can vacuumize, can be such that binder solution 1 passes through
Flexible material.
S400: the porous mold 2 is placed in binder solution 1, makes the first flexible material on the porous mold 2
With being at least partially immersed in the binder solution 1 for the second flexible material.It is molten that silica solution, waterglass, aluminium can be selected in binder
One of similar binder such as glue, polyvinyl alcohol or polyethylene glycol is a variety of.It, can by mixing binder in proportion with water
Form binder solution 1.
S500: starting the suction of vacuum pump 4 makes the binder solution 1 successively by second flexible material and institute
It states the first flexible material and fluid reservoir 3 is entered by the through-hole on the porous mold 2 and obtain the first flexibility containing binder
Material and the second flexible material containing binder.Using can be by using Mass flow controllers in 4 aspiration procedure of vacuum pump
The gas velocity of filter core is controlled gas flow through, preferred gas velocity control is in 1~30m/min.
S600: porous mold 2 is taken out from the binder solution 1 and continues through the vacuum pump 4 aspirates.It will be more
Punch die 2 takes out from binder solution 1, at this time includes a large amount of binder in flexible material, continues to take out by vacuum pump 4
It takes, a large amount of binder can be taken away, rest on a small amount of binder at fiber 40 and 40 contact point 50 of fiber, by controlling gas
The controllable binder amount rested at contact point 50 of fast and last suction time is strong after filter core solidifies to adjust with this
Degree and varying aperture.Preferably, it is taken out after flexible material can be made to rotate 5~30 circles in binder solution 1, and continues to aspirate
5~60s.It can be realized by changing the concentration of binder solution 1, aspirating the parameters such as gas velocity and puff count to filter core aperture
Regulation.
S700: the first flexible material on porous mold containing binder and the second flexible material containing binder are done
Dry consolidation and by after drying and consolidating the first flexible material and the second flexible material remove to obtain from the porous mold it is described
Rigid gas-liquid Coalescence filter core.In a preferred embodiment, if it is desired to continuing the intensity of filter core after raising molding after the completion of drying
And reduce every layer of aperture of filter material, step S500-S700 can be repeated again until meeting the rigid requirements of filter core.
In a preferred embodiment, as shown in fig. 7, the method further includes by the first flexible material and second
Before flexible material is successively fastened around on porous mold 2:
S000: third flexible material is fastened around on the porous mold 2.At this point, the first flexible material can pass through
It is fixed on the fixation realized on third flexible material with porous mold 2.
It, can be by third flexible material multi-lay winding in porous mold when pre-separation layer 10 is arranged using multi-lay winding form
On 2.Third flexible material can be fixed on porous mold 2 by gluing, and adhesive means preferably can be used and a little connect, i.e., every pre-
If spacing smears a small amount of glue with glue rifle on the inside of flexible material end, then firmly compresses and be fixed.The default spacing
Range preferably from 1~10cm.
Preferably, the first flexible material of coalescing layer 20 can be with the third flexible material seamless combination of pre-separation layer 10.
In a preferred embodiment, it is placed in binder solution 1 in the S400 when by the porous mold 2, makes institute
When stating in the part immersion binder solution 1 of the first flexible material and the second flexible material, rotating the porous mold 2 makes
The binder solution 1 is successively immersed in the part that flexible material does not immerse in the binder solution 1.
When the complaint material portion on porous mold 2 immerses in binder solution 1, can be made by rotating porous mold 2
Flexible material on porous mold 2 can rotate and immerse the flexible material of different piece successively in binder solution 1, so that
Each section of flexible material can retain binder.
Also one side according to the present invention, the present embodiment also disclose a kind of preparation facilities of rigid gas-liquid Coalescence filter core.
As shown in figure 8, the preparation facilities includes solution pool, porous mold 2, fluid reservoir 3 and vacuum pump 4 in the present embodiment.
Wherein, the solution pool is for installing binder solution 1.
The porous mold 2 is used to support the flexible material for being used to form the filter core.
The fluid reservoir 3 is connected to by pipeline with the porous mold 2.
The vacuum pump 4 is connected to by pipeline with the fluid reservoir 3.
In a preferred embodiment, described device further comprises rotating device.The rotating device is described for making
Porous mold 2 rotates.When the complaint material portion on porous mold 2 immerses in binder solution 1, can be revolved by rotating device
Turn porous mold 2, the flexible material on porous mold 2 is enable to rotate and the flexible material of different piece is made successively to immerse bonding
In agent solution 1, so that each section of flexible material can retain binder.The corresponding arrow of porous mold 2 is multiple-hole die in Fig. 8
The direction of rotation of tool 2, other arrows are the flow direction of binder solution.
The present invention is further described below by a specific example.In specific example, pre-separation layer 10
Filter material Ceramics fiber 40, for filter material with a thickness of 1mm, average pore size is 25 μm；The filter material of coalescing layer 20 selects glass fibre
40, for filter material with a thickness of 0.5mm, average pore size is 3.7 μm；30 filter material of drain layers selects Nomex, and filter material is average with a thickness of 3mm
Aperture is 30 μm.Open pore size is 3mm on porous mold 2 used, and aperture spacing is 25mm.
First a small amount of glycerol is uniformly smeared on 2 surface of porous mold.Then 10 filter material of pre-separation layer is twined on porous mold 2
Around 2 layers, end is fixed by gluing, and adhesive means are that point connects, i.e., smears on the inside of filter material end every 3cm glue rifle a small amount of
Then glue is firmly compressed and is fixed.20 filter material head end of coalescing layer and 10 end seamless combination of pre-separation layer wind 4 layers, end
It is fixed by gluing, adhesive means are that point connects, i.e., smear a small amount of glue on the inside of filter material end with glue rifle every 3cm, then exert oneself
Compression is fixed.
Drain layers 30 are given a discount, discounting length is 15mm, and discounting number is 240, winds around coalescing layer 20
Outside, the first section of drain layers 30 and end are engaged using adhesive means.
Total half is immersed in binder solution 1, binder is waterglass, using vacuum suction mode by all filters
Material wetting, suction gas velocity are 5m/min, take out after 20 circle of rotation and continue to aspirate 10s.
Filter core by porous mold 2 and thereon is put into drying box and is dried, and temperature is 100 DEG C, drying time 10h,
It removes the first flexible material, the second flexible material and the third flexible material after drying and consolidating to obtain rigidity from porous mold
Gas-liquid Coalescence filter core.
The rigid gas-liquid Coalescence filter core being prepared in the specific example, compressive strength 8.5MPa, under room temperature environment
0.1m/s filter gas velocity under, pressure drop 0.96kpa, under the pressure condition of 5MPa, filter core there is no obviously deforming, by pair
The detection of concentration of liquid drops is exported, and it is almost the same under normal pressure, therefore there is no reentrainment phenomenons caused by high pressure substantially.
The present invention makes a small amount of binder be adsorbed on the fiber 40 and fiber 40 of filter core flexible material by using vacuum suction
Contact point 50 at, fixed function is played to fiber 40, makes entirely to filter while having substantially no effect on filter core pre-existent pore structure
Core becomes rigid structure, can prevent from deforming under high pressure, strainability is caused to decline.Self-supporting can also be realized, without gold
Belong to inner frame or outer skeleton, reduce filter core weight, to reduce the active force to the tube sheet for loading filter core.In addition, rigid gas
The manufacturing cost of liquid Coalescence filter core will be lower than traditional filter core.
Drain layers 30 use folded form, can increase considerably filter element filtering area.On the one hand, filter area increase makes to arrange
Liquid layer 30 is saturated hydrops amount relative increase, and liquid is allowed to have enough time to be discharged downwards before drain layers 30 reach saturation hydrops amount,
Drain age velocity under high pressure can be effectively relieved and slowly cause serious reentrainment phenomenon.Another aspect filter area increases, apparently
Gas velocity is opposite to be reduced, to reduce air-flow to the souring of drop big in drain layers 30, also can inhibit reentrainment phenomenon
Occur.Each layer of filter core of the invention all has some strength, provides the metal interior skeleton of support without being arranged again, effectively anti-
Only filter core is destroyed as caused by corrosion, while pre-separation layer can carry out initial gross separation to the big drop in gas, can reduce poly-
The hydrops amount in layer and drain layers is tied, to reduce reentrainment phenomenon.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for system reality
For applying example, since it is substantially similar to the method embodiment, so being described relatively simple, related place is referring to embodiment of the method
Part explanation.
The above description is only an example of the present application, is not intended to limit this application.For those skilled in the art
For, various changes and changes are possible in this application.All any modifications made within the spirit and principles of the present application are equal
Replacement, improvement etc., should be included within the scope of the claims of this application.
Claims (14)
1. a kind of rigidity gas-liquid Coalescence filter core characterized by comprising
Coalescing layer is surrounded on the outside of central air induction channel, for coalescing and separating in the gas flowed into through the inlet channel
Drop；And
Drain layers are surrounded on the outside of the coalescing layer, for providing apocenosis passage for the drop after the coalescence；
Wherein, the coalescing layer be the first flexible material containing binder formed by drying and consolidating, the drain layers be containing
There is the second flexible material of binder to be formed by drying and consolidating, wherein first flexible material containing binder and to contain
The second flexible material for having binder is so that binder solution is passed through first flexible material and described the by vacuum suction
Two flexible materials obtain.
2. rigidity gas-liquid Coalescence filter core according to claim 1, which is characterized in that the filter core further comprises being set to institute
Coalescing layer is stated close to the pre-separation layer of the inlet channel side.
3. rigidity gas-liquid Coalescence filter core according to claim 2, which is characterized in that the pre-separation layer is to contain binder
Third flexible material formed by drying and consolidating, the third flexible material containing binder be by vacuum suction make to glue
Knot agent solution is obtained by the third flexible material.
4. rigidity gas-liquid Coalescence filter core according to claim 2 or 3, which is characterized in that the pre-separation layer twines for multilayer
Around form or puckered ring around form.
5. rigidity gas-liquid Coalescence filter core according to claim 3, which is characterized in that the third flexible material is that ceramics are fine
Dimension or non-woven fabrics.
6. rigidity gas-liquid Coalescence filter core according to claim 1, which is characterized in that the coalescing layer and/or the drain
Layer is multi-lay winding form or puckered ring around form.
7. rigid gas-liquid Coalescence filter core according to claim 1 or 6, which is characterized in that the material of the coalescing layer is glass
Glass fiber, polyester fiber or polypropylene fibre.
8. rigid gas-liquid Coalescence filter core according to claim 1 or 6, which is characterized in that the material of the drain layers is needle
Pierce felt.
9. rigidity gas-liquid Coalescence filter core according to claim 1, which is characterized in that the binder is silica solution, water glass
One of glass, Aluminum sol, polyvinyl alcohol or polyethylene glycol are a variety of.
10. a kind of preparation method of rigidity gas-liquid Coalescence filter core characterized by comprising
First flexible material and the second flexible material are successively fastened around on porous mold；
The ostiolate one end of the multiple-hole die is connect with fluid reservoir；
The fluid reservoir is controlled to a vacuum pump；
The porous mold is placed in binder solution, the first flexible material and the second flexible material on the porous mold are made
Material is at least partially immersed in the binder solution；
Starting the vacuum pump suction makes the binder solution successively pass through second flexible material and first flexibility
Material simultaneously enters fluid reservoir by the through-hole on the porous mold and obtains the first flexible material containing binder and containing viscous
Tie the second flexible material of agent；
Porous mold is taken out from the binder solution and continues through the vacuum pump suction；
Simultaneously by the first flexible material on porous mold containing binder and the second flexible material drying and consolidating containing binder
By after drying and consolidating the first flexible material and the second flexible material remove to obtain the rigid gas-liquid from the porous mold
Coalescence filter core.
11. preparation method according to claim 10, which is characterized in that the method further includes flexible by first
Third flexible material is fastened around described more by material and the second flexible material before being successively fastened around on porous mold
On punch die.
12. preparation method according to claim 10, which is characterized in that described that the porous mold is placed in binder is molten
In liquid, make the first flexible material and the second flexible material on the porous mold is at least partially immersed the binder solution
In specifically include:
It is placed in binder solution when by the porous mold, soaks the part of first flexible material and the second flexible material
When entering in the binder solution, rotate part that the porous mold does not immerse flexible material in the binder solution according to
It is secondary to immerse the binder solution.
13. a kind of preparation facilities of rigidity gas-liquid Coalescence filter core characterized by comprising
Solution pool, for installing binder solution；
Porous mold is used to support the flexible material for being used to form the filter core；
Fluid reservoir is connected to by pipeline with the porous mold；
Vacuum pump is connected to by pipeline with the fluid reservoir.
14. the preparation facilities of rigidity gas-liquid Coalescence filter core according to claim 13, which is characterized in that described device is into one
Step includes rotating device；
The rotating device is for rotating the porous mold.
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| CN111389129A (en) * | 2020-04-10 | 2020-07-10 | 江苏盛伟燃气科技有限公司 | A coalescing filter element of in-out-out type |
| CN112675635A (en) * | 2020-11-20 | 2021-04-20 | 苏州达菲特过滤技术股份有限公司 | Oil-gas separator filter element structure and preparation method thereof |
| WO2022193445A1 (en) * | 2021-03-18 | 2022-09-22 | 中国石油大学(北京) | Coalescence filter element having liquid discharging function |
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