CN108215388A - A kind of explosion-proof noise reduction filtering material of newborn's hyperbaric oxygen chamber filter-specific and its production technology - Google Patents
A kind of explosion-proof noise reduction filtering material of newborn's hyperbaric oxygen chamber filter-specific and its production technology Download PDFInfo
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- CN108215388A CN108215388A CN201711308488.4A CN201711308488A CN108215388A CN 108215388 A CN108215388 A CN 108215388A CN 201711308488 A CN201711308488 A CN 201711308488A CN 108215388 A CN108215388 A CN 108215388A
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- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
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- B32B5/06—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by a fibrous or filamentary layer mechanically connected, e.g. by needling to another layer, e.g. of fibres, of paper
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Abstract
A kind of explosion-proof noise reduction filtering material of newborn's hyperbaric oxygen chamber filter-specific and its production technology,Including the first mixed fiber layer and the second mixed fiber layer,First base cloth layer and the second base cloth layer are set between the first mixed fiber layer and the second mixed fiber layer,The noise reduction layer that sawdust is set to be mixed to form with stainless steel fibre between first base cloth layer and the second base cloth layer,First base cloth layer,The shape of second base cloth layer and noise reduction layer is trapezoidal wavy,The trough of first base cloth layer is contacted with the first mixed fiber layer,The wave crest of second base cloth layer is contacted with the second mixed fiber layer,The first trapezoidal flocculus is respectively provided in each trapezoid space formed between first base cloth layer and the first mixed fiber layer,It can export the electrostatic that filter material fiber carries rapidly,Eliminate the security risk that filter material carries electrostatic belt,Itself has good compression strength,It will not deform and come off,Also there is preferable anti-acoustic capability.
Description
Technical field
The present invention relates to medical hyperbaric oxygen chamber ventilation filter equipment, specifically a kind of newborn's hyperbaric oxygen chamber filter
Special explosion-proof noise reduction filtering material and its production technology.
Background technology
Neonatal many diseases are all related with anoxic caused by premature labor, difficult labour or other situations or tissue ischemia, occur
During such disease, need to carry out hyperbaric oxygentherapy to newborn.Hyperbaric oxygen chamber is that one kind provides high pressure, high-concentration oxygen for infant
Environment treats the Medical Devices of disease, since its internal oxygen is dense, easily draws once there are the open fires such as electrostatic spark
Ignition calamity, therefore the various equipment that hyperbaric oxygen chamber uses inside have stringent antistatic requirement.The confession of existing hyperbaric oxygen chamber
The filtering material used in gas, exhaust system itself does not have antistatic property, can only be increased using spraying, being passed through the modes such as steam
Ambient humidity prevents dry air from generating electrostatic when passing through filtering material, but the reliability of this anti-static precautions is not high,
It is difficult to export after the self-contained electrostatic of filtering material, with constantly accumulating electrostatic in filtering material, when there is discharging condition just
Electric spark can be generated, easily ignite neighbouring combustible in high pressure oxygen environment, so as to cause fire incident.In addition, high pressure
The gas supply in oxygen cabin, exhaust system at work, can generate larger noise, due to newborn's high pressure when air-flow passes through filtering material
Oxygen cabin inner space is narrow and closes, and this noise can affect the neonatal sense of hearing, and the lifelong sense of hearing can be formed when serious
Obstacle.In addition, neonatal nursing requires environment temperature that big variation cannot occur, therefore also needed inside newborn's hyperbaric oxygen chamber
Set temperature regulating device, conventional thermostatic heat exchanger are exposed in oxygen cabin, if during the trick action of infant
The tender skin damage of newborn may be made by encountering heat exchanger.
Invention content
The object of the present invention is to provide a kind of explosion-proof noise reduction filtering material of newborn's hyperbaric oxygen chamber filter-specific and its lifes
Production. art, it can export the electrostatic that filter material fiber carries rapidly, eliminate the security risk that filter material carries electrostatic belt, itself
With good compression strength, it will not deform and come off, also with preferable anti-acoustic capability, can effectively reduce air and pass through filter material
The noise of generation, the thermostatic heat exchanger in oxygen cabin are hidden in inside filtering material, can effectively avoid infant and be in direct contact.
To achieve the above object, it is achieved through the following technical solutions:Including the first mixed fiber layer and the second composite fibre
Layer, sets the first base cloth layer and the second base cloth layer between the first mixed fiber layer and the second mixed fiber layer, the first base cloth layer and
The noise reduction layer that sawdust is set to be mixed to form with stainless steel fibre between second base cloth layer, the first base cloth layer, the second base cloth layer and drop
Make an uproar layer shape to be trapezoidal wavy, the trough of the first base cloth layer is contacted with the first mixed fiber layer, the wave crest of the second base cloth layer and
Second mixed fiber layer contacts, and first is respectively provided in each trapezoid space formed between the first base cloth layer and the first mixed fiber layer
Trapezoidal flocculus is respectively provided with the second trapezoidal flocculus in each trapezoid space formed between the second base cloth layer and the second mixed fiber layer,
Drain pipeline is set along its length in the first trapezoidal flocculus and the second trapezoidal flocculus, and each drain pipe ends are from each first ladder
Shape flocculus or the second trapezoidal flocculus end are pierced by, and are connected between adjacent drain pipeline by elbow, first mixed fiber layer,
Lead between second mixed fiber layer, the first base cloth layer, the second base cloth layer, the first trapezoidal flocculus, the second trapezoidal flocculus and noise reduction layer
It crosses needling process and realizes connection, first mixed fiber layer, the second mixed fiber layer, the first trapezoidal flocculus and the second trapezoidal wadding
The composite fibre raw material that the raw material of piece is made of PPS fibers and stainless steel fibre mixing, first base cloth layer and second
Base cloth layer is formed by mixed weaving line is crisscross, the mixed weaving line be by two strands of PPS fiber yarns and one not
Rust steel fibre yarn weaves.First mixed fiber layer, the second mixed fiber layer, the first trapezoidal flocculus and second are trapezoidal
The composite fibre raw materials by weight meter that flocculus uses is:PPS fibers 95% -97%, stainless steel fibre 3% -5%.Institute
State the raw materials by weight meter that noise reduction layer uses:Sawdust 85% -90%, stainless steel fibre 10% -15%.
A kind of production technology of the explosion-proof noise reduction filtering material of newborn's hyperbaric oxygen chamber filter-specific includes the following steps:
1. 95% -97% according to the composite fibre raw material gross weight takes PPS fibers spare, by composite fibre raw material gross weight
3% -5% take stainless steel fibre spare;
2. by step 1. in two kinds of raw materials be placed in blending box and mix, obtain thick batch mixing;
3. 2. thick batch mixing merging opener that step is obtained carries out shredding processing;
4. the raw material merging blending box after step 3. middle shredding is mixed, fine mixture is obtained;
5. fine mixture is combed into plane reticular composite fibre by carding machine;
6. 5. plane reticular composite fibre that part steps obtain is taken to be paved into composite fibre flocculus by lapping machine;
7. 6. composite fibre flocculus that step obtains is cut using guillotine, during cutting cutter horizontal by 40 ° and
140 ° of angle is alternately cut, and flocculus is cut into trapezoidal composite fibre flocculus;
8. two strands of PPS fiber yarns and one stainless steel fibre yarn is taken to obtain mixed weaving line using hank reeling machine skeining;
9. by 8. mixed weaving line that step obtains, crisscross to be made into composite fibre base fabric spare using woven fabric equipment;
10. 85% -90% according to the noise reduction layer total weight takes sawdust spare, according to 10%-the 15% of the noise reduction layer total weight
Take stainless steel fibre and be cut into length be 0.5cm-1.5cm the short silk of stainless steel fibre it is spare;
It will be stirred in step 10. described sawdust merging agitator, by step, 10. described stainless steel fibre is short while stirring
Silk is put into agitator successively, and sawdust is made to be uniformly mixed with the short silk of stainless steel fibre, obtains sawdust and stainless steel fibre mixture
It is spare;
It is another that 5. plane reticular composite fibre that part steps obtain is taken to be paved into plane reticular fiber by lapping machine, form first
Mixed fiber layer;
7. trapezoidal composite fibre flocculus that part steps obtain is taken to be spaced apart on the first mixed fiber layer described in step,
These trapezoidal composite fibre flocculus are the first trapezoidal flocculus, and each first trapezoidal flocculus is mutually parallel, each first trapezoidal flocculus
The larger bottom surface of area is contacted with the first mixed fiber layer;
What on the first mixed fiber layer that placed the first trapezoidal flocculus described in step 9. one layer of step of covering obtained is mixed
Condensating fiber base fabric makes the composite fibre base fabric be bonded with the first trapezoidal flocculus and the first mixed fiber layer top surface, the composite fibre
Base fabric is the first base cloth layer;
Sawdust and the stainless steel fibre mixture that one layer of step obtains, paving are laid on the first base cloth layer described in step
If thickness is 0.5cm-1cm, noise reduction layer is obtained;
The composite fibre base fabric that on the noise reduction layer being laid in step 9. one layer of step of covering obtains, makes the composite fibre base fabric
It is bonded with noise reduction layer top surface, which is the second base cloth layer;
Step is separately placed in the second base fabric layer surface position corresponding with the gap of the first trapezoidal flocculus that step is laid with
7. obtained trapezoidal composite fibre flocculus, these trapezoidal composite fibre flocculus are the second trapezoidal flocculus, each second trapezoidal flocculus
Mutually parallel and be staggered with the first trapezoidal flocculus, each second trapezoidal smaller bottom surface of flocculus area connects with the second base cloth layer
It touches;
5. plane reticular composite fibre that remainder step obtains is taken to placed second described in step by lapping machine
It is paved into plane reticular fiber on second base cloth layer of trapezoidal flocculus, forms the second mixed fiber layer to get to the first composite fibre
The first trapezoidal flocculus, the second trapezoidal flocculus, the first base cloth layer, the second base cloth layer and drop are carried between layer and the second mixed fiber layer
It makes an uproar the composite filtering material blank of layer;
Using the carry out tow sides needling treatment for the composite filtering material blank that needing machine obtains step, make the first mixing fine
Tie up layer, the second mixed fiber layer, the first trapezoidal flocculus, the second trapezoidal flocculus, the first base cloth layer, the second base cloth layer and noise reduction layer
Fiber mutually tangles reinforcing, obtains composite filtering material matrix;
It will be impregnated in PTFE emulsion after composite filtering material matrix merging dilution made from step, in the PTFE emulsion after dilution
PTFE emulsion and water volume ratio be 1:7-10;
21 step is impregnated after composite filter material merging modular system in carry out high-temperature shaping, determine in modular system
Type temperature is 220 DEG C -280 DEG C, and the speed of travel of the composite filter material in modular system is 4.5-5.5 ms/min, after sizing
Obtain the explosion-proof noise reduction filtering material used on hyperbaric oxygen chamber filter.
After 22 steps 21 obtain explosion-proof noise reduction filter material, the length direction of trapezoidal composite fibre flocculus penetrates drain along filter material
Pipeline, and adjacent drain pipeline is attached using elbow to get to the explosion-proof noise reduction of newborn's hyperbaric oxygen chamber filter-specific
Filtering material.
The advantage of the invention is that:It can export the electrostatic that filter material fiber carries rapidly, eliminate filter material and carry electrostatic
The security risk brought, itself has good compression strength, will not deform and come off, can also with preferable anti-acoustic capability
The noise that air is generated by filter material is effectively reduced, the thermostatic heat exchanger in oxygen cabin is hidden in inside filtering material, can
Effectively infant is avoided to be in direct contact.
Description of the drawings
Fig. 1 be the present invention a kind of explosion-proof noise reduction filtering material of newborn's hyperbaric oxygen chamber filter-specific structural representation
Figure;
Fig. 2 is the structure diagram of mixed weaving line of the present invention;
Fig. 3 is the overlooking the structure diagram of Fig. 1.
Specific embodiment
The explosion-proof noise reduction filtering material of a kind of newborn's hyperbaric oxygen chamber filter-specific of the present invention includes the first mixing
2 drain of 1 drain of fibrous layer drain and the second mixed fiber layer drain, 1 drain of the first mixed fiber layer drain and the second mixing are fine
6 drain of 5 drain of the first base cloth layer drain and the second base cloth layer drain, the first base cloth layer drain 5 are set between 2 drain of dimension layer drain
7 drain of noise reduction layer drain that sawdust is set to be mixed to form with stainless steel fibre between 6 drain of drain and the second base cloth layer drain, the
The shape of 7 drain of one base cloth layer drain, 5 drain, 6 drain of the second base cloth layer drain and noise reduction layer drain is trapezoidal wavy, the first base
The trough of 5 drain of layer of cloth drain is contacted with 1 drain of the first mixed fiber layer drain, the wave crest of 6 drain of the second base cloth layer drain with
Second mixed fiber layer drain, 2 drain contacts, between 1 drain of 5 drain of the first base cloth layer drain and the first mixed fiber layer drain
The first trapezoidal 3 drain of flocculus drain is respectively provided in each trapezoid space formed, 6 drain of the second base cloth layer drain mixes fibre with second
The second trapezoidal 4 drain of flocculus drain is respectively provided in each trapezoid space formed between 2 drain of dimension layer drain, the first trapezoidal flocculus is led
8 drain of drain pipeline drain is set along its length in 3 drain of liquid and the second trapezoidal 4 drain of flocculus drain, each drain pipeline is led
8 drain both ends of liquid are pierced by from each first trapezoidal 3 drain of flocculus drain or the second trapezoidal 4 drain end of flocculus drain, adjacent to lead
It is connected between 8 drain of liquid pipe road drain by 201 drain of elbow drain, 1 drain of the first mixed fiber layer drain, second mix
2 drain of condensating fiber layer drain, 5 drain of the first base cloth layer drain, 6 drain of the second base cloth layer drain, the first trapezoidal flocculus drain 3 are led
It is realized and connected by needling process between liquid, the second trapezoidal 4 drain of flocculus drain and 7 drain of noise reduction layer drain, described first is mixed
1 drain of condensating fiber layer drain, 2 drain of the second mixed fiber layer drain, the first trapezoidal 3 drain of flocculus drain and the second trapezoidal flocculus
The composite fibre raw material that the raw material of 4 drain of drain is made of PPS fibers and stainless steel fibre mixing, first base cloth layer
5 drain of drain and 6 drain of the second base cloth layer drain are formed by mixed weaving line is crisscross, the mixed weaving line be by
Two strands of 11 drains of PPS fiber yarns drain and one 12 drain of stainless steel fibre yarn drain weave.What the present invention used
PPS fibers in raw material have good heat-proof combustion-resistant performance.The filtrate is after needling treatment, the first mixed fiber layer 1,
Two mixed fiber layers 2, the first trapezoidal flocculus 3, the second trapezoidal flocculus 4, the first base cloth layer 5, the second base cloth layer 6 and noise reduction layer 7
Fiber mutually tangles reinforcing, is linked to be an entirety, and the stainless steel fibre between each layer mutually overlaps winding, is formed inside filter material
Three-dimensional conductive mesh, the electrostatic that filter material carries everywhere can rapidly be exported, thoroughly eliminate safe hidden trouble.The drain pipeline is led
8 drain of liquid forms circulation line after being connected by elbow 201, which can be used as the thermostatic heat exchanger in oxygen cabin
Use, when need to adjust oxygen cabin internal temperature, high temperature or cryogenic media flow through circulation line, in filtering material by air-flow with following
Endless tube road exchanges heat, and the temperature in oxygen cabin is adjusted, and filtering material forms the circulation line and covers, and avoids infant straight
Contact, 8 drain of drain pipeline drain pass through inside filtering material, additionally it is possible to play support as skeleton in filtering material
Effect, prevents filtrate from deforming and coming off after bearing air pressure in side.Noise reduction layer in the filter material trapezoidal wave inside filter material
Shape is set, and when air-flow passes through filter material, inclined-plane and plane in noise reduction layer successively connect with dust, particulate matter and the sound wave in air-flow
It touches, on the one hand can increase the contact area of sawdust and air-flow, increase the effective time of absorption of noise, also on the other hand be able to pair
Various irregular noise sound waves carry out three-dimensional capture, and anti-acoustic capability is substantially improved.The first trapezoidal flocculus 3 and second
Trapezoidal flocculus 4 is used to keep the shape of noise reduction layer 7, and is conducive to increase the dust containing capacity of filter material in itself, effectively extends filter material
Effective storage life.The base fabric of first base cloth layer 5 and the second base cloth layer 6 as filter material provides anti-, the anti-extension of drawing by force for filter material
Degree, and fixed function can be played to the sawdust in noise reduction layer 7, prevent sawdust from coming off and entering in hyperbaric oxygen chamber from filter material
Flammable atmosphere in.
First mixed fiber layer 1 of the present invention, the second mixed fiber layer 2, the first trapezoidal 3 and second trapezoidal flocculus of flocculus
The preferred component of the 4 composite fibre raw materials used matches:By weight percentage, it is:It is PPS fibers 95% -97%, stainless
Steel fibre 3% -5%.The optimum ratio can be ensured that filtrate still is able to smoothly export filtrate in hyperbaric oxygen chamber after long-term use
The electrostatic of upper attachment.
The preferred component for the raw material that noise reduction layer 7 of the present invention uses matches:By weight percentage:Sawdust 85%-
90%th, stainless steel fibre 10% -15%.The optimum ratio can be ensured that the reduction noise that noise reduction layer 7 can be permanently effective simultaneously can
Smoothly export electrostatic.
A kind of production technology packet of the explosion-proof noise reduction filtering material of newborn's hyperbaric oxygen chamber filter-specific of the present invention
Include following step:
1. 95% -97% according to the composite fibre raw material gross weight takes PPS fibers spare, by composite fibre raw material gross weight
3% -5% take stainless steel fibre spare;
2. by step 1. in two kinds of raw materials be placed in blending box and mix, obtain thick batch mixing;
3. 2. thick batch mixing merging opener that step is obtained carries out shredding processing;
4. the raw material merging blending box after step 3. middle shredding is mixed, fine mixture is obtained;
5. fine mixture is combed into plane reticular composite fibre by carding machine;
6. 5. plane reticular composite fibre that part steps obtain is taken to be paved into composite fibre flocculus by lapping machine;
7. 6. composite fibre flocculus that step obtains is cut using guillotine, during cutting cutter horizontal by 40 ° and
140 ° of angle is alternately cut, and flocculus is cut into trapezoidal composite fibre flocculus;
8. take two strands of 11 drains of PPS fiber yarns drain and one 12 drain of stainless steel fibre yarn drain using hank reeling machine into
It twists, obtains mixed weaving line;
9. by 8. mixed weaving line that step obtains, crisscross to be made into composite fibre base fabric spare using woven fabric equipment;
10. 85% -90% according to the 7 drain total weight of noise reduction layer drain takes sawdust spare, led according to the noise reduction layer drain 7
10%-the 15% of liquid total weight take stainless steel fibre and be cut into length be 0.5cm-1.5cm the short silk of stainless steel fibre it is spare;
It will be stirred in step 10. described sawdust merging agitator, by step, 10. described stainless steel fibre is short while stirring
Silk is put into agitator successively, and sawdust is made to be uniformly mixed with the short silk of stainless steel fibre, obtains sawdust and stainless steel fibre mixture
It is spare;
It is another that 5. plane reticular composite fibre that part steps obtain is taken to be paved into plane reticular fiber by lapping machine, form first
1 drain of mixed fiber layer drain;
7. trapezoidal composite fibre flocculus that part steps obtain is taken described in step on 1 drain of the first mixed fiber layer drain
It is spaced apart, these trapezoidal composite fibre flocculus are the first trapezoidal 3 drain of flocculus drain, and each first trapezoidal flocculus drain 3 is led
Liquid is mutually parallel, and the larger bottom surface of each first trapezoidal 3 drain area of flocculus drain connects with 1 drain of the first mixed fiber layer drain
It touches;
It is covered on 1 drain of the first mixed fiber layer drain that placed the first trapezoidal 3 drain of flocculus drain described in step
9. composite fibre base fabric that one layer of step obtains makes the composite fibre base fabric and the first trapezoidal 3 drain of flocculus drain and first mixed
1 drain top surface of condensating fiber layer drain is bonded, which is 5 drain of the first base cloth layer drain;
The sawdust and stainless steel fibre that one layer of step obtains are laid on 5 drain of the first base cloth layer drain described in step
Mixture, laying depth 0.5cm-1cm obtain 7 drain of noise reduction layer drain;
The composite fibre base fabric that on 7 drain of noise reduction layer drain being laid in step 9. one layer of step of covering obtains makes this mixed
Condensating fiber base fabric is bonded with 7 drain top surface of noise reduction layer drain, which is 6 drain of the second base cloth layer drain;
It is corresponding with the gap of the first trapezoidal 3 drain of flocculus drain in the 6 drain surface of the second base cloth layer drain that step is laid with
Position separately place 7. trapezoidal composite fibre flocculus that step obtains, these trapezoidal composite fibre flocculus are the second trapezoidal wadding
4 drain of piece drain, each second trapezoidal 4 drain of flocculus drain it is mutually parallel and with the first trapezoidal 3 drain staggered row of flocculus drain
Row, each second trapezoidal 4 smaller bottom surface of drain area of flocculus drain is contacted with 6 drain of the second base cloth layer drain;
5. plane reticular composite fibre that remainder step obtains is taken to placed second described in step by lapping machine
Plane reticular fiber is paved on 6 drain of the second base cloth layer drain of trapezoidal 4 drain of flocculus drain, the second mixed fiber layer is formed and leads
2 drain of liquid is to get terraced to carrying first between 2 drain of 1 drain of the first mixed fiber layer drain and the second mixed fiber layer drain
3 drain of shape flocculus drain, the second trapezoidal 4 drain of flocculus drain, 5 drain of the first base cloth layer drain, 6 drain of the second base cloth layer drain
With the composite filtering material blank of 7 drain of noise reduction layer drain;
Using the carry out tow sides needling treatment for the composite filtering material blank that needing machine obtains step, make the first mixing fine
Tie up 1 drain of layer drain, 2 drain of the second mixed fiber layer drain, the first trapezoidal 3 drain of flocculus drain, the second trapezoidal flocculus drain 4
Drain, 7 drain of 5 drain of the first base cloth layer drain, 6 drain of the second base cloth layer drain and noise reduction layer drain fiber mutually tangle plus
Gu obtain composite filtering material matrix;
It will be impregnated in PTFE emulsion after composite filtering material matrix merging dilution made from step, in the PTFE emulsion after dilution
PTFE emulsion and water volume ratio be 1:7-10;
21 step is impregnated after composite filter material merging modular system in carry out high-temperature shaping, determine in modular system
Type temperature is 220 DEG C -280 DEG C, and the speed of travel of the composite filter material in modular system is 4.5-5.5 ms/min, after sizing
Obtain the explosion-proof noise reduction filtering material used on hyperbaric oxygen chamber filter.
After 22 steps 21 obtain explosion-proof noise reduction filter material, the length direction of trapezoidal composite fibre flocculus penetrates drain along filter material
8 drain of pipeline drain, and adjacent 8 drain of drain pipeline drain is attached using 201 drain of elbow drain to get to new life
The explosion-proof noise reduction filtering material of youngster's hyperbaric oxygen chamber filter-specific.
The raw material of filter material of the present invention is connected as a single entity by above-mentioned steps by needling process, does not influence the saturating of filtrate itself
Gas, filter material obtained, with good heat-proof combustion-resistant performance, can be used for a long time with good in hyperbaric oxygen chamber.It is described
Filtrate after needling treatment, the first mixed fiber layer 1, the second mixed fiber layer 2, the first trapezoidal flocculus 3, the second trapezoidal flocculus 4,
The fiber of first base cloth layer 5, the second base cloth layer 6 and noise reduction layer 7 mutually tangles reinforcing, is linked to be an entirety, between each layer not
Rust steel fibre mutually overlaps winding, and three-dimensional conductive mesh is formed inside filter material, and the electrostatic that can carry filter material everywhere is rapid
Export, thoroughly eliminates safe hidden trouble.Noise reduction layer trapezoidal wavy setting inside filter material in filter material, when air-flow passes through filter material,
Inclined-plane and plane priority and air flow contacts in noise reduction layer, on the one hand can increase the contact area of sawdust and air, increase and inhale
The effective time of noise is received, also on the other hand is able to carry out three-dimensional capture to various irregular noise sound waves, substantially carry
Rise anti-acoustic capability.The first trapezoidal 3 and second trapezoidal flocculus 4 of flocculus is used to keep the shape of noise reduction layer 7, and is conducive to increase
Add the dust containing capacity of filter material in itself, effectively extend the effective storage life of filter material.First base cloth layer 5 and the second base cloth layer 6 are as filter
The base fabric of material provides anti-, the anti-ductility/strength of drawing, and can play fixed function to the sawdust in noise reduction layer 7 for filter material, prevents
Sawdust comes off from filter material and enters in the Flammable atmosphere in hyperbaric oxygen chamber.8 drain of drain pipeline drain passes through elbow 201
Circulation line is formed after connection, which can use as the thermostatic heat exchanger in oxygen cabin, need to adjust in oxygen cabin
During portion's temperature, high temperature or cryogenic media flow through circulation line, in filtering material by air-flow exchange heat with circulation line, it is right
Temperature in oxygen cabin is adjusted, and filtering material forms the circulation line and covers, and infant is avoided to be in direct contact, drain pipeline is led
8 drain of liquid passes through inside filtering material, additionally it is possible to play a supportive role in filtering material as skeleton, prevent filtrate one
Side deforms and comes off after bearing air pressure.
Claims (4)
1. a kind of explosion-proof noise reduction filtering material of newborn's hyperbaric oxygen chamber filter-specific, it is characterised in that:It is fine including the first mixing
Tie up layer(1)With the second mixed fiber layer(2), the first mixed fiber layer(1)With the second mixed fiber layer(2)Between the first base is set
Layer of cloth(5)With the second base cloth layer(6), the first base cloth layer(5)With the second base cloth layer(6)Between setting sawdust mixed with stainless steel fibre
Close the noise reduction layer formed(7), the first base cloth layer(5), the second base cloth layer(6)With noise reduction layer(7)Shape to be trapezoidal wavy, first
Base cloth layer(5)Trough and the first mixed fiber layer(1)Contact, the second base cloth layer(6)Wave crest and the second mixed fiber layer(2)
Contact, the first base cloth layer(5)With the first mixed fiber layer(1)Between be respectively provided with the first trapezoidal flocculus in each trapezoid space for being formed
(3), the second base cloth layer(6)With the second mixed fiber layer(2)Between be respectively provided with the second trapezoidal flocculus in each trapezoid space for being formed
(4), the first trapezoidal flocculus(3)With the second trapezoidal flocculus(4)Drain pipeline is inside set along its length(8), each drain pipeline(8)
Both ends are from each first trapezoidal flocculus(3)Or the second trapezoidal flocculus(4)End is pierced by, adjacent drain pipeline(8)Between by curved
Head(201)Connection, first mixed fiber layer(1), the second mixed fiber layer(2), the first base cloth layer(5), the second base cloth layer
(6), the first trapezoidal flocculus(3), the second trapezoidal flocculus(4)With noise reduction layer(7)Between realized and connect by needling process, described the
One mixed fiber layer(1), the second mixed fiber layer(2), the first trapezoidal flocculus(3)With the second trapezoidal flocculus(4)Raw material be
The composite fibre raw material being made of PPS fibers and stainless steel fibre mixing, first base cloth layer(5)With the second base cloth layer(6)
It is to be formed by mixed weaving line is crisscross, the mixed weaving line is by two strands of PPS fiber yarns(11)It is stainless with one
Steel fibre yarn(12)It weaves.
2. the explosion-proof noise reduction filtering material of a kind of newborn's hyperbaric oxygen chamber filter-specific according to claim 1, feature
It is:First mixed fiber layer(1), the second mixed fiber layer(2), the first trapezoidal flocculus(3)With the second trapezoidal flocculus(4)
The composite fibre raw materials by weight meter used is:PPS fibers 95% -97%, stainless steel fibre 3% -5%.
3. the explosion-proof noise reduction filtering material of a kind of newborn's hyperbaric oxygen chamber filter-specific according to claim 1, feature
It is:The noise reduction layer(7)The raw materials by weight meter used:Sawdust 85% -90%, stainless steel fibre 10% -15%.
4. such as claim 1,2 or a kind of explosion-proof noise reduction filter material of newborn's hyperbaric oxygen chamber filter-specific of 3 any one of them
The production technology of material, it is characterised in that:Include the following steps:
1. 95% -97% according to the composite fibre raw material gross weight takes PPS fibers spare, by composite fibre raw material gross weight
3% -5% take stainless steel fibre spare;
2. by step 1. in two kinds of raw materials be placed in blending box and mix, obtain thick batch mixing;
3. 2. thick batch mixing merging opener that step is obtained carries out shredding processing;
4. the raw material merging blending box after step 3. middle shredding is mixed, fine mixture is obtained;
5. fine mixture is combed into plane reticular composite fibre by carding machine;
6. 5. plane reticular composite fibre that part steps obtain is taken to be paved into composite fibre flocculus by lapping machine;
7. 6. composite fibre flocculus that step obtains is cut using guillotine, during cutting cutter horizontal by 40 ° and
140 ° of angle is alternately cut, and flocculus is cut into trapezoidal composite fibre flocculus;
8. take two strands of PPS fiber yarns(11)With one stainless steel fibre yarn(12)Using hank reeling machine skeining, obtain mixing and compile
Knit line;
9. by 8. mixed weaving line that step obtains, crisscross to be made into composite fibre base fabric spare using woven fabric equipment;
10. according to the noise reduction layer(7)85%-the 90% of total weight takes sawdust spare, according to the noise reduction layer(7)Total weight
10% -15% take stainless steel fibre and be cut into length be 0.5cm-1.5cm the short silk of stainless steel fibre it is spare;
It will be stirred in step 10. described sawdust merging agitator, by step, 10. described stainless steel fibre is short while stirring
Silk is put into agitator successively, and sawdust is made to be uniformly mixed with the short silk of stainless steel fibre, obtains sawdust and stainless steel fibre mixture
It is spare;
It is another that 5. plane reticular composite fibre that part steps obtain is taken to be paved into plane reticular fiber by lapping machine, form first
Mixed fiber layer(1);
7. trapezoidal composite fibre flocculus that part steps obtain is taken in the first mixed fiber layer described in step(1)It puts at upper interval
It puts, these trapezoidal composite fibre flocculus are the first trapezoidal flocculus(3), each first trapezoidal flocculus(3)It is mutually parallel, each first
Trapezoidal flocculus(3)The larger bottom surface of area and the first mixed fiber layer(1)Contact;
It placed the first trapezoidal flocculus described in step(3)The first mixed fiber layer(1)9. one layer of step of upper covering obtains
The composite fibre base fabric arrived makes the composite fibre base fabric and the first trapezoidal flocculus(3)With the first mixed fiber layer(1)It pastes top surface
It closes, which is the first base cloth layer(5);
In the first base cloth layer described in step(5)The sawdust that one layer of step of upper laying obtains is mixed with stainless steel fibre
Material, laying depth 0.5cm-1cm obtain noise reduction layer(7);
In the noise reduction layer that step is laid with(7)9. composite fibre base fabric that one layer of step of upper covering obtains, makes the composite fibre
Base fabric and noise reduction layer(7)Top surface is bonded, which is the second base cloth layer(6);
In the second base cloth layer that step is laid with(6)Surface and the first trapezoidal flocculus(3)The corresponding position in gap separately put
7. trapezoidal composite fibre flocculus that step obtains is put, these trapezoidal composite fibre flocculus are the second trapezoidal flocculus(4), each second
Trapezoidal flocculus(4)It is mutually parallel and with the first trapezoidal flocculus(3)It is staggered, each second trapezoidal flocculus(4)Area is smaller
Bottom surface and the second base cloth layer(6)Contact;
5. plane reticular composite fibre that remainder step obtains is taken to placed second described in step by lapping machine
Trapezoidal flocculus(4)The second base cloth layer(6)On be paved into plane reticular fiber, form the second mixed fiber layer(2)To get to first
Mixed fiber layer(1)With the second mixed fiber layer(2)Between carry the first trapezoidal flocculus(3), the second trapezoidal flocculus(4), first
Base cloth layer(5), the second base cloth layer(6)With noise reduction layer(7)Composite filtering material blank;
Using the carry out tow sides needling treatment for the composite filtering material blank that needing machine obtains step, make the first mixing fine
Tie up layer(1), the second mixed fiber layer(2), the first trapezoidal flocculus(3), the second trapezoidal flocculus(4), the first base cloth layer(5), second
Base cloth layer(6)With noise reduction layer(7)Fiber mutually tangle reinforcing, obtain composite filtering material matrix;
It will be impregnated in PTFE emulsion after composite filtering material matrix merging dilution made from step, in the PTFE emulsion after dilution
PTFE emulsion and water volume ratio be 1:7-10;
21 step is impregnated after composite filter material merging modular system in carry out high-temperature shaping, determine in modular system
Type temperature is 220 DEG C -280 DEG C, and the speed of travel of the composite filter material in modular system is 4.5-5.5 ms/min, after sizing
Obtain the explosion-proof noise reduction filtering material used on hyperbaric oxygen chamber filter;
After 22 steps 21 obtain explosion-proof noise reduction filter material, the length direction of trapezoidal composite fibre flocculus penetrates drain pipeline along filter material
(8), and by adjacent drain pipeline(8)Use elbow(201)It is attached and prevents to get to newborn's hyperbaric oxygen chamber filter-specific
Quick-fried noise reduction filtering material.
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CN202823001U (en) * | 2012-08-29 | 2013-03-27 | 抚顺博格环保科技有限公司 | Poly phenylene sulfite (PPS) antistatic laminated needled felt |
CN103432826A (en) * | 2013-08-13 | 2013-12-11 | 营口海硕环保滤材有限公司 | High-precision double-layer base fabric needled felt filter material and preparation process thereof |
CN204745880U (en) * | 2015-06-11 | 2015-11-11 | 新疆金鑫瑞环境技术工程有限公司 | Fine high temperature resistant acupuncture filter felt of PPS |
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CN200964635Y (en) * | 2005-11-28 | 2007-10-24 | 张洪德 | Sound-absorbing cement wood chip board |
CN201399290Y (en) * | 2009-03-19 | 2010-02-10 | 上海博格工业用布有限公司 | Polyphenylene sulfide (PPS) fiber antistatic high-temperature resisting woven filter felt |
CN101695615A (en) * | 2009-10-23 | 2010-04-21 | 山东新力过滤材料有限公司 | Composite acupuncture filter bag used for smoke treatment of ceramic kiln |
CN202823001U (en) * | 2012-08-29 | 2013-03-27 | 抚顺博格环保科技有限公司 | Poly phenylene sulfite (PPS) antistatic laminated needled felt |
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Application publication date: 20180629 |