CN105817088A - Low-noise gas filtering device for spinning - Google Patents
Low-noise gas filtering device for spinning Download PDFInfo
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- CN105817088A CN105817088A CN201610390918.0A CN201610390918A CN105817088A CN 105817088 A CN105817088 A CN 105817088A CN 201610390918 A CN201610390918 A CN 201610390918A CN 105817088 A CN105817088 A CN 105817088A
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- 238000001914 filtration Methods 0.000 title claims abstract description 54
- 238000009987 spinning Methods 0.000 title abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 94
- 238000004140 cleaning Methods 0.000 claims abstract description 61
- 230000030279 gene silencing Effects 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 67
- 239000000428 dust Substances 0.000 claims description 54
- 239000012528 membrane Substances 0.000 claims description 48
- 238000001728 nano-filtration Methods 0.000 claims description 48
- 239000000463 material Substances 0.000 claims description 44
- 238000009941 weaving Methods 0.000 claims description 20
- 239000007921 spray Substances 0.000 claims description 19
- 238000001035 drying Methods 0.000 claims description 13
- 230000006698 induction Effects 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 12
- 210000003437 trachea Anatomy 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000000835 fiber Substances 0.000 description 10
- 239000004753 textile Substances 0.000 description 9
- 239000012535 impurity Substances 0.000 description 8
- 239000008187 granular material Substances 0.000 description 7
- 239000002351 wastewater Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229920000742 Cotton Polymers 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000013327 media filtration Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010041 electrostatic spinning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000009187 flying Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/4236—Reducing noise or vibration emissions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/442—Auxiliary equipment or operation thereof controlling filtration by measuring the concentration of particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/72—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with backwash arms, shoes or nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2221/00—Applications of separation devices
- B01D2221/14—Separation devices for workshops, car or semiconductor industry, e.g. for separating chips and other machining residues
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2267/00—Multiple filter elements specially adapted for separating dispersed particles from gases or vapours
- B01D2267/40—Different types of filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2275/10—Multiple layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2277/00—Filters specially adapted for separating dispersed particles from gases or vapours characterised by the position of the filter in relation to the gas stream
- B01D2277/10—Parallel
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a low-noise gas filtering device for spinning. The filtering device comprises an exhaust channel, a cleaning device, a metal cover, a first fan, a baffle, a first filtering layer, a noise detection device and a silencing device. One end of the exhaust channel is an air inlet end, and the other end of the exhaust channel is an exhaust end. The metal cover, the first fan, the baffle and the first filtering layer are sequentially connected into the exhaust channel in the axial direction of the exhaust channel. The metal cover is close to the air inlet end. The cleaning device is connected into the exhaust channel. The cleaning device is located on the side face of the metal cover. The exhaust end of the exhaust channel is located on the top of the exhaust channel. The exhaust end is in an inverted L type. The noise detection device and the silencing device are connected into the exhaust channel. The filtering device has the self-cleaning function, reduces production cost and lowers noise generated after air filtering.
Description
Technical field
The present invention relates to a kind of air filter, it particularly relates to low noise gas-filtering device is used in a kind of weaving.
Background technology
The dedusting of textile industry, is the process that the earth being mixed in Cotton Gossypii and different fibre separate with Cotton Gossypii and carry out filtration, purification.If the airborne dust in textile mills workshop, flyings etc. fall to being attached to cotton yarn surface, coal-dust stained yarn will be formed, have a strong impact on product quality.After dusty gas is purified, can be directly discharged in air, it is possible to purified gas is entered workshop reuse.Textile industry is compared with other industry, and it processes air quantity, concentration (textile industry 150-400mg/m of dusty gas3, other industrial dedustings 8500-35000mg/m3), the difference of the aspect such as dust characteristic the most far apart.The textile industry filtering accuracy i.e. requirement of efficiency of dust collection to filtering material at present also lacks relevant industry standard and national standard carries out specification.Efficiency of dust collection aspect passes judgment on workshop air environment quality essentially by the mode estimated at present.Without obvious floating dust, then workshop air requisite quality.
In recent years, industrial gas emission standard and Indoor Air Quality standards were improved constantly by country, and specialty yarn also has particular/special requirement to workshop air quality.And, along with people's quality of life and the raising of health perception, a line direct labor is more and more higher to the operating environment requirements in workshop.Weaving equipment manufacture of environmental protection enterprise also have developed all multi-products and improves filter effect, but is mainly the production process the highest to media filtration effect requirements, as the operations such as blowing, comb and parallel cotton fibers prior to spinning and air spinning select thick and heavy, fine and close filter cloth；The environment relatively low to media filtration effect requirements, such as air return system, then selects the most sparse filter cloth.The research and development of filtrate are also limited only to inquire into sparse and closely knit etc..Spontaneous performance and the adaptation ability of filtrate then lack concern.
Summary of the invention
Technical problem:The technical problem to be solved is: provide a kind of weaving low noise gas-filtering device, and this defecator has self-cleaning function, reduces production cost, the noise produced after simultaneously reducing air filtration.
Technical scheme:For solve above-mentioned technical problem, the embodiment of the present invention by the following technical solutions:
Low noise gas-filtering device is used in a kind of weaving, and this defecator includes exhaust passage, cleaning device, metal cap, the first fan, baffle plate, the first filter course, noise detection device and silencing apparatus；One end of exhaust passage is inlet end, and the other end is exhaust end；Metal cap, the first fan, baffle plate and the first filter course are axially sequentially connected with in an exhaust gas along exhaust passage, and metal cap is near inlet end；Cleaning device connects in an exhaust gas, and cleaning device is positioned at the side of metal cap；The exhaust end of exhaust passage is positioned at the top of exhaust passage, and exhaust end is inverted L-type；Noise detection device and silencing apparatus connect in an exhaust gas.
As preference, described cleaning device includes guiding gutter and cleaning unit, described cleaning unit includes drying subelement, water spray subelement and brush dust subelement, drying subelement, water spray subelement and brush dust subelement are axially sequentially connected with in an exhaust gas along exhaust passage, and brush dust subelement is nearest from metal cap；Guiding gutter is positioned at the bottom of exhaust passage, and is positioned at the lower section of cleaning unit.
As preference, described cleaning device also includes the second fan, the blade diameter of the second fan is less than the blade diameter of the first fan, second fan is between the first fan and metal cap, and second the wind direction after starting fan and the wind direction after the first starting fan contrary, and the wind speed after the second starting fan is more than the wind speed after the first starting fan.
As preference, described water spray subelement includes the folding water pipe being provided with water jet, and described water jet is relative with metal cap；Described drying subelement includes the folding trachea being provided with puff prot, and described puff prot is relative with metal cap, is connected with high-temperature gas in trachea；Described brush dust subelement includes extension type mechanical arm and brush, and one end of mechanical arm is fixedly connected in exhaust passage, and brush is fixedly connected on the other end of mechanical arm；Metal cap is positioned at the working range of mechanical arm.
As preference, described guiding gutter is provided with outlet, is provided with water tank, water pump and valve in the outside of exhaust passage, and the outlet of guiding gutter is connected with the water inlet of water pump, the outlet of water pump is connected with the water inlet of water tank, and the outlet of water tank is connected with the water inlet of water pipe by valve.
As preference, described cleaning unit is two sets, and two set cleaning units are laid in the both sides of metal cap respectively.
As preference, described weaving low noise gas-filtering device, also including induction installation, induction installation connects in an exhaust gas, and induction installation is positioned at the baffle plate side towards metal cap.
As preference, the first described filter course includes metal mesh skeleton, the first non-woven material layer, the second non-woven material layer and the first nano-filtration membrane, metal mesh skeleton is fixedly connected in exhaust passage, first non-woven material layer is fixedly connected on metal mesh skeleton side, and the second non-woven material layer is fixedly connected on metal mesh skeleton opposite side；First non-woven material layer is near baffle plate；First nano-filtration membrane connects in an exhaust gas.
As preference, the first described nano-filtration membrane is connected in an exhaust gas by upper cylinder and bottom roll, and upper cylinder and bottom roll are connected to outside exhaust passage, and lay up and down；First nano-filtration membrane is wound in cylinder and bottom roll；The rolling of upper cylinder or bottom roll can drive the first nano-filtration membrane to move.
As preference, described weaving low noise gas-filtering device, also include dust investigating and the second nano-filtration membrane；The side of the first filter course is air flue, and this air flue is connected with the exhaust end of exhaust passage；Dust investigating is positioned at the outside of air flue, and the probe of dust investigating is positioned at this air flue；Second nano-filtration membrane is wound in the cylinder of top；Top cylinder is fixedly connected on outside exhaust end, and the rotation of top cylinder can drive the second nano-filtration membrane to move, it is achieved closes or opens wide exhaust end.
Beneficial effect:Compared with prior art, the embodiment of the present invention has the advantages that this defecator has self-cleaning function, reduces and filters cost.At present, filtering material and defecator used by filtering material used by textile mills and defecator, even other industry, ordinary circumstance does not has cleaning apparatus for self.Metal cap is cleaned by the present embodiment by arranging cleaning device, from without integral replacing metal cap, reduces and filters cost, also improve work efficiency.When whole metal cap needs cleaning, utilize baffle plate by the first filter course and clear area domain separation, it is to avoid during cleaning, the water of spray produces impact to the first filter course.The embodiment of the present invention has added cleaning device, is equivalent to reduce the workload of filtering material, extends the service life of filtering material.Meanwhile, also extend the service life of defecator, maintain the cleaning clean level of defecator.The noise of air that the embodiment of the present invention will be discharged by arranging noise detection device to detect from exhaust passage.According to testing result, start silencing apparatus.Noise pollution is reduced by silencing apparatus.Efficiency of dust collection height, length in service life, energy consumption are relatively low, filtering material and filter plant intelligent integrated, have automatically cleaning, adaptive ability high advantage.This device discharge air dust content can reach 1/m3Hereinafter, the requirement of the use ability that textile enterprise is improved constantly it is suitable for.
Accompanying drawing explanation
Fig. 1 is the structure sectional view of the embodiment of the present invention.
Figure has: exhaust passage 1, cleaning device 2, metal cap 3, first fan 4, baffle plate 5, first filter course 6, induction installation 7, dust investigating 8, second nano-filtration membrane 9, noise detection device 10, silencing apparatus 11, water tank 12, water pump 13, valve 14, air flue 15, Noise reduction tile 16, exhaust end 101, guiding gutter 201, drying subelement 202, water spray subelement 203, brush dust subelement 204, second fan 205, metal mesh skeleton 601, first non-woven material layer 602, second non-woven material layer 603, first nano-filtration membrane 604, upper cylinder 605, bottom roll 606, top cylinder 901.
Detailed description of the invention
Below in conjunction with the accompanying drawings, technical scheme is described in detail.
As it is shown in figure 1, a kind of weaving of the embodiment of the present invention uses low noise gas-filtering device, including exhaust passage 1, cleaning device 2, metal cap the 3, first fan 4, baffle plate the 5, first filter course 6, noise detection device 10 and silencing apparatus 11.One end of exhaust passage 1 is inlet end, and the other end is exhaust end 101.Metal cap the 3, first fan 4, baffle plate 5 and the first filter course 6 are axially connected in turn in exhaust passage 1 along exhaust passage 1, and metal cap 3 is near inlet end.Cleaning device 2 is connected in exhaust passage 1, and cleaning device 2 is positioned at the side of metal cap 3.The exhaust end of exhaust passage 1 is positioned at the top of exhaust passage 1, and exhaust end is inverted L-type.Noise detection device 10 and silencing apparatus 11 are connected in exhaust passage 1.
The work process of the air filter of above-described embodiment is: start the first fan 4, the negative pressure that first fan 4 produces after rotating, the dust laden air making indoor enters in exhaust passage 1, dust laden air first passes through metal cap 3, the dust granules thing contained in air and fiber etc. are stopped by metal cap 3, and are attached on metal cap 3.After oarse-grained dust or fiber are filtered by metal cap 3, air continues to flow in exhaust passage 1.The little granule dust contained in air is filtered by the first filter course 6 so that the air cleaner flowed out from exhaust passage 1.Meanwhile, in this air filter, it is additionally provided with cleaning device 2.Metal cap 3 can be cleaned processing by cleaning device 2, removes the impurity such as the dust granules thing being wrapped on metal cap 3 or fiber so that metal cap 3 can be utilized repeatedly.In prior art, when metal cap 3 is wound around by impurity such as dust granules things or fiber, when having influence on air flowing, need integral replacing metal cap 3 or shutdown that metal cap 3 is manually cleaned.Compared with prior art, metal cap 3 is cleaned by the present embodiment by arranging cleaning device 2, from without integral replacing metal cap 3 or downtime metal cap, reduces production cost, also improves work efficiency.When whole metal cap 3 needs cleaning, utilize baffle plate 5 by the first filter course 6 and clear area domain separation, it is to avoid during cleaning, the water of spray produces impact to the first filter course 6.
As preference, described noise detection device 10 is positioned at the side of silencing apparatus 11, and the opposite side of silencing apparatus 11 is the exhaust end of exhaust passage 1.It is laid with Noise reduction tile 16 on the exhaust end inwall of exhaust passage 1.Noise reduction tile 16 is used for assisting silencing apparatus to carry out abating the noise work.
The noise of air will discharged from exhaust passage 1 by arranging noise detection device 10 to detect.The noise wavelength of discharge gas is judged by noise detection device 10.According to testing result, start silencing apparatus 11.Silencing apparatus 11 can provide and filter the wavelength that gas to be discharged is contrary, and then it is contrary to realize wavelength, cancels out each other, and reduces noise pollution.Certainly, the internal face of exhaust passage 1 is provided with sound eliminating tile 16, utilizes sound eliminating tile 16 that air-flow is carried out noise elimination process, and structure is the simplest.Prior art does not has noise measuring and silencing apparatus.Although which results in discharge air to meet certain standard, but create again noise pollution.
Meanwhile, the noise of air that above-described embodiment will be discharged by arranging noise detection device 10 to detect from exhaust passage 1.The noise wavelength of discharge gas is judged by noise detection device 10.According to testing result, start silencing apparatus 11.Silencing apparatus 11 can provide and filter the wavelength that gas to be discharged is contrary, and then it is contrary to realize wavelength, cancels out each other, and reduces noise pollution.Certainly, the internal face of exhaust passage 1 is provided with sound eliminating tile, utilizes sound eliminating tile that air-flow is carried out noise elimination process, and structure is the simplest.Prior art does not has noise measuring and silencing apparatus.Although which results in discharge air to meet certain standard, but create again noise pollution.
In the above-described embodiments, described cleaning device 2 includes that guiding gutter 201 and cleaning unit, described cleaning unit include drying subelement 202, water spray subelement 203 and brush dust subelement 204.Drying subelement 202, water spray subelement 203 and brush dust subelement 204 are axially connected in turn in exhaust passage 1 along exhaust passage 1, and brush dust subelement 204 is nearest from metal cap 3.Guiding gutter 201 is positioned at the bottom of exhaust passage 1, and is positioned at the lower section of cleaning unit.
Water spray subelement 203 is for metal cap 3 shower water, it is to avoid when cleaning metal cap 3, produces reentrainment of dust.Meanwhile, when metal cap 3 is sprayed by water spray subelement 203, the current of form flow downward along metal cap 3, are brought in the guiding gutter 201 being positioned at bottom by the impurity such as the dust being partially around on metal cap 3 or fiber.As a preference, described water spray subelement 203 includes the folding water pipe being provided with water jet, and described water jet is relative with metal cap 3.When need not use water spray subelement 203, can be folded in the inboard wall groove of income exhaust passage.When needs use water spray subelement 203, it can be stretched out from the inboard wall groove of exhaust passage 1.
Brush dust subelement 204 is for being cleaned metal cap 3, the impurity such as the dust on metal cap 3 or fiber are made to depart from metal cap 3, and utilizing water spray subelement 203 that metal cap 3 is sprayed simultaneously so that the impurity such as dust granules thing or fiber flow in guiding gutter 201 with current.As a preference, described brush dust subelement 204 includes extension type mechanical arm and brush, and one end of mechanical arm is fixedly connected in exhaust passage 1, and brush is fixedly connected on the other end of mechanical arm；Metal cap 3 is positioned at the working range of mechanical arm.After having cleaned metal cap 3, utilize drying subelement 202 that moist metal cap 3 is carried out drying and processing.As a preference, described drying subelement 202 includes the folding trachea being provided with puff prot, and described puff prot is relative with metal cap 3, is connected with high-temperature gas in trachea.Utilize high temperature air that metal cap 3 is carried out drying and processing.For strengthening cleaning effect, described cleaning unit is two sets, and two set cleaning units are laid in the both sides of metal cap 3 respectively.Two set cleaning units work simultaneously, are conducive to improving cleaning efficiency and cleaning effect.
In the above-described embodiments, after metal cap 3 is sprayed by water spray subelement 203, the waste water of generation flows in guiding gutter 201.If water spray subelement 203 use shower water be this waste water, then be conducive to waste water again with.As preference, described guiding gutter 201 is provided with outlet, water tank 12, water pump 13 and valve 14 it is provided with in the outside of exhaust passage 1, the outlet of guiding gutter 201 is connected with the water inlet of water pump 13, the outlet of water pump 13 is connected with the water inlet of water tank 12, and the outlet of water tank 12 is connected with the water inlet of water pipe by valve 14.By arranging water tank 12, water pump 13 and valve 14 so that the waste water flowed in guiding gutter 201 is recycled.Owing to spray-water amount is relatively big, so recycling of waste water, greatly reduce production cost.At present, the problem of textile mills' maximum is that energy consumption is big, consumes including water, electricity etc., is energy consumption consumption rich and influential family.The present embodiment is provided with guiding gutter, and waste water is collected, and recycles, has saved water resource, protected environment, reduced production cost.
When metal cap 3 is all by impurity blockings such as the dust granules thing in air or fibers, metal cap 3 is cleaned, needs to stop the operation of the first fan 4.It is to say, when whole metal cap 3 is cleaned, need to stop the work of air filtering, it is unfavorable for filtering the seriality of air operational.This preference, when the blocked impact of metal cap 3 part is filtered, carries out local and cleans metal cap 3.During the cleaning of local, dusty gas, still in flowing, filters work and is carrying out all the time, be conducive to improving filter efficiency, reduce production cost.Therefore, described cleaning device 2 also includes the second fan 205, the blade diameter of the second fan 205 is less than the blade diameter of the first fan 4, second fan 205 is between the first fan 4 and metal cap 3, and second fan 205 start after wind direction and the first fan 4 start after wind direction contrary, and the second fan 205 start after wind speed start more than the first fan 4 after wind speed.Second fan 205 is provided with case, and this case is towards the first fan 4.When needs local cleaning metal cap 3, mobile second fan 205, to the position of needs cleaning, then starts the second fan 205, dries metal cap 3.Owing to the second fan 205 is provided with case, so the first fan 4 runs the negative pressure produced and not affects metal cap 3 local corresponding to the second fan 205.Meanwhile, the wind speed after the second fan 205 starts is more than the wind speed after the first fan 4 starts, and utilizes wind to blow the dust of wire netting local so that it is to depart from wire netting.For remaining adhered to the dust on metal cap 3, cleaning device is utilized to be cleaned.This cleaning remains what local was carried out.So, by arranging the second fan 205, can locally clean metal cap 3, it is not necessary to the first fan 4 out of service, filter work and there is seriality.
As preference, described weaving low noise gas-filtering device also includes that induction installation 7, induction installation 7 are connected in exhaust passage 1, and induction installation 7 is positioned at the baffle plate 5 side towards metal cap 3.Utilize induction installation 7 to sense metal cap 3 the need of partly or wholly cleaning.Preferably, induction installation 7 is photoelectric sensor or pressure transducer.Decided whether to start cleaning device by the testing result of photoelectric sensor or pressure transducer, metal cap 3 is cleaned.
As preference, the first described filter course 6 includes metal mesh skeleton the 601, first non-woven material layer the 602, second non-woven material layer 603 and the first nano-filtration membrane 604, metal mesh skeleton 601 is fixedly connected in exhaust passage 1, first non-woven material layer 602 is fixedly connected on metal mesh skeleton 601 side, and the second non-woven material layer 603 is fixedly connected on metal mesh skeleton 601 opposite side；First non-woven material layer 602 is near baffle plate 5；First nano-filtration membrane 604 is connected in exhaust passage 1.Air after being filtered by metal cap 3 still may contain dust or the impurity of other relatively small particles, the first filter course 6 is now set and is to cross further the impurity such as the dust granules thing in air filtering or fiber.As preferably, the described pore diameter in the first non-woven material layer 602 is more than the pore diameter in the second non-woven material layer 603.The pore diameter of the first nano-filtration membrane 604 is less than the second non-woven material layer 603.So, in the first filter course 6, air first passes around the first non-woven material layer 602 and filters, and is then passed through the second non-woven material layer 603 and filters, and eventually passes the first nano-filtration membrane 604 and filters.Through three layer filtration so that the dust major part in air is filtered, and basically reaches atmospheric emission standard.First nano-filtration membrane 604 uses the method for electrostatic spinning to be fabricated by.
Owing to the first nano-filtration membrane 604 mesopore is less, thus the most blocked.When the hole in the first nano-filtration membrane 604 is blocked or breakage occurs, and filtering work can not be smoothed out.When meeting this situation, prior art is typically integral replacing the first non-woven material, the second non-woven material and the first nano-filtration membrane.Actually first non-woven material and the second non-woven material can also use, only because the first nano-filtration membrane loses filtration through life-time service, only change the first nano-filtration membrane 604.It addition, when changing the first non-woven material layer, the second non-woven material layer and the first nano-filtration membrane, need to stop filtering work, be unfavorable for filtering the seriality of work.This preference, the first described nano-filtration membrane 604 is connected in exhaust passage 1 by upper cylinder 605 and bottom roll 606, and upper cylinder 605 and bottom roll 606 are connected to outside exhaust passage 1, and lay up and down；First nano-filtration membrane 604 is wound in cylinder 605 and bottom roll 606；The rolling of upper cylinder 605 or bottom roll 606 can drive the first nano-filtration membrane 604 to move.So, the first nano-filtration membrane 604 is only changed, it is not necessary to change first non-woven material layer the 602, second non-woven material layer 603.Simultaneously when changing the first nano-filtration membrane 604, by controlling upper cylinder 605 or the rolling of bottom roll 606, it is possible to achieve the automatic replacing of the first nano-filtration membrane 604.During changing the first nano-filtration membrane 604, the first fan 4 works on, it is not necessary to equipment out of service, filters work and is still carrying out, has seriality.
As preference, described weaving low noise gas-filtering device, also include dust investigating 8 and the second nano-filtration membrane 9；The side of the first filter course 6 is air flue, and this air flue is connected with the exhaust end of exhaust passage 1；Dust investigating 8 is positioned at the outside of air flue 15, and the probe of dust investigating 8 is positioned at this air flue；Second nano-filtration membrane 9 is wound in the cylinder 901 of top；Top cylinder 901 is fixedly connected on outside exhaust end 101, and the rotation of top cylinder 901 can drive the second nano-filtration membrane 9 to move, it is achieved closes or open wide exhaust end 101.
When dust investigating 8 detects, air still contains dust, when being not reaching to discharge standard, start the second nano-filtration membrane 9.Utilize the second nano-filtration membrane 9 that air is further filtered.Second nano-filtration membrane 9 is connected in exhaust passage 1 by top cylinder 901.The rotation utilizing top cylinder 901 can drive the second nano-filtration membrane 9 to move.The moving process of the second nano-filtration membrane 9 need not other equipment out of service so that filter work and there is seriality.It addition, air still contains dust when dust investigating 8 detects, when air is the most up to standard, replacing the first nano-filtration membrane 604 can be started.Monitoring device of powder-like waste 8 is arranged on outside exhaust passage 1, it is simple to maintenance.
In prior art, air is after filtering material, and the air of discharge is the most up to standard, is generally not detection in real time.Generally according to experience, carry out the replacing of filtering material, or interval detection in the set time, lack the dynamic monitoring filtering air quality, monitor in real time.And, even if air is the most up to standard, the most only change filtering material, be at this moment accomplished by shutting down more conversion materials.In embodiments of the present invention by arranging dust investigating 8; can ensure that the quality of air filtering met discharge standard; even if not meeting standard after Guo Lving; it is possible with the second nano-filtration membrane and carries out secondary filter work; and can keep when changing filtering material filtering work seriality, it is not necessary to shut down and change.
The embodiment of the present invention is by the apparatus for automatic change of the first nano-filtration membrane, it is to avoid traditional textile station-service air filter carries out just carrying out more changing jobs of filtering material after shutting down, and improves filter efficiency.The embodiment of the present invention eliminates produced noise when air is discharged by noise detection device and silencing means, meanwhile, by arranging Noise reduction tile at exhaust end position, reduces noise when air is discharged further.The embodiment of the present invention passes through dust investigating, carries out filtering the secondary detection of gas, and is furnished with the second nano-filtration membrane filtering material, improves filter efficiency further, reduces the generation of the discharge air situation the most up to standard caused because filtering material is damaged.
The ultimate principle of the present invention, principal character and advantage have more than been shown and described.Those skilled in the art it should be recognized that; the present invention is not limited by above-mentioned specific embodiment; description in above-mentioned specific embodiment and description is intended merely to further illustrate the principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within scope of the claimed invention.The scope of protection of present invention is defined by claims and equivalent thereof.
Claims (10)
1. low noise gas-filtering device is used in a weaving, it is characterized in that, this defecator includes exhaust passage (1), cleaning device (2), metal cap (3), the first fan (4), baffle plate (5), the first filter course (6), noise detection device (10) and silencing apparatus (11)；One end of exhaust passage (1) is inlet end, and the other end is exhaust end；Metal cap (3), the first fan (4), baffle plate (5) and the first filter course (6) are axially connected in turn in exhaust passage (1) along exhaust passage (1), and metal cap (3) is near inlet end；Cleaning device (2) is connected in exhaust passage (1), and cleaning device (2) is positioned at the side of metal cap (3)；The exhaust end of exhaust passage (1) is positioned at the top of exhaust passage (1), and exhaust end is inverted L-type；Noise detection device (10) and silencing apparatus (11) are connected in exhaust passage (1).
2. according to the low noise gas-filtering device of the weaving described in claim 1, it is characterized in that, described cleaning device (2) includes guiding gutter (201) and cleaning unit, described cleaning unit includes drying subelement (202), water spray subelement (203) and brush dust subelement (204), drying subelement (202), water spray subelement (203) and brush dust subelement (204) are axially connected in turn in exhaust passage (1) along exhaust passage (1), and brush dust subelement (204) is nearest from metal cap (3)；Guiding gutter (201) is positioned at the bottom of exhaust passage (1), and is positioned at the lower section of cleaning unit.
3. according to the low noise gas-filtering device of the weaving described in claim 2, it is characterized in that, described cleaning device (2) also includes the second fan (205), the blade diameter of the second fan (205) is less than the blade diameter of the first fan (4), second fan (205) is positioned between the first fan (4) and metal cap (3), and second fan (205) start after wind direction and the first fan (4) start after wind direction contrary, and the second fan (205) start after wind speed start more than the first fan (4) after wind speed.
4., according to the low noise gas-filtering device of the weaving described in claim 2, it is characterised in that described water spray subelement (203) includes the folding water pipe being provided with water jet, described water jet is relative with metal cap (3)；Described drying subelement (202) includes the folding trachea being provided with puff prot, and described puff prot is relative with metal cap (3), is connected with high-temperature gas in trachea；Described brush dust subelement (204) includes extension type mechanical arm and brush, and one end of mechanical arm is fixedly connected in exhaust passage (1), and brush is fixedly connected on the other end of mechanical arm；Metal cap (3) is positioned at the working range of mechanical arm.
5. according to the low noise gas-filtering device of the weaving described in claim 4, it is characterized in that, described guiding gutter (201) is provided with outlet, water tank (12), water pump (13) and valve (14) it is provided with in the outside of exhaust passage (1), the outlet of guiding gutter (201) is connected with the water inlet of water pump (13), the outlet of water pump (13) is connected with the water inlet of water tank (12), and the outlet of water tank (12) is connected with the water inlet of water pipe by valve (14).
6., according to the low noise gas-filtering device of the weaving described in claim 2, it is characterised in that described cleaning unit is two sets, two set cleaning units are laid in the both sides of metal cap (3) respectively.
7. according to the low noise gas-filtering device of the weaving described in claim 1, it is characterized in that, also include that induction installation (7), induction installation (7) are connected in exhaust passage (1), and induction installation (7) is positioned at the baffle plate (5) side towards metal cap (3).
8. according to the low noise gas-filtering device of the weaving described in claim 1, it is characterized in that, described the first filter course (6) includes metal mesh skeleton (601), the first non-woven material layer (602), the second non-woven material layer (603) and the first nano-filtration membrane (604), metal mesh skeleton (601) is fixedly connected in exhaust passage (1), first non-woven material layer (602) is fixedly connected on metal mesh skeleton (601) side, and the second non-woven material layer (603) is fixedly connected on metal mesh skeleton (601) opposite side；First non-woven material layer (602) is near baffle plate (5)；First nano-filtration membrane (604) is connected in exhaust passage (1).
9. according to the low noise gas-filtering device of the weaving described in claim 8, it is characterized in that, described the first nano-filtration membrane (604) is connected in exhaust passage (1) by upper cylinder (605) and bottom roll (606), upper cylinder (605) and bottom roll (606) are connected to outside, exhaust passage (1), and lay up and down；First nano-filtration membrane (604) is wound in cylinder (605) and bottom roll (606)；The rolling of upper cylinder (605) or bottom roll (606) can drive the first nano-filtration membrane (604) mobile.
10. according to the low noise gas-filtering device of the weaving in any of the one of claim 1 to 9, it is characterised in that also include dust investigating (8) and the second nano-filtration membrane (9)；The side of the first filter course (6) is air flue (15), and this air flue is connected with the exhaust end of exhaust passage (1)；Dust investigating (8) is positioned at the outside of air flue (15), and the probe of dust investigating (8) is positioned at this air flue (15)；Second nano-filtration membrane (9) is wound in top cylinder (901)；Top cylinder (901) is fixedly connected on exhaust end (101) outside, and the rotation on top cylinder (901) can drive the second nano-filtration membrane (9) mobile, it is achieved closes or open wide exhaust end (101).
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| CN105817088B (en) | 2017-11-03 |
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