CN103009501A - Recycling device and method of waste filtering bag of novel bag type dust remover - Google Patents

Recycling device and method of waste filtering bag of novel bag type dust remover Download PDF

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Publication number
CN103009501A
CN103009501A CN2012105410361A CN201210541036A CN103009501A CN 103009501 A CN103009501 A CN 103009501A CN 2012105410361 A CN2012105410361 A CN 2012105410361A CN 201210541036 A CN201210541036 A CN 201210541036A CN 103009501 A CN103009501 A CN 103009501A
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China
Prior art keywords
discarded
filter bag
module
bag
filtrate
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Pending
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CN2012105410361A
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Chinese (zh)
Inventor
朱跃
杜振
何胜
姬海宏
张杨
温诗伟
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Huadian Electric Power Research Institute Co Ltd
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Huadian Electric Power Research Institute Co Ltd
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Priority to CN2012105410361A priority Critical patent/CN103009501A/en
Publication of CN103009501A publication Critical patent/CN103009501A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/62Plastics recycling; Rubber recycling

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Abstract

The invention provides a recycling device and method of a waste filtering bag of a novel bag type dust remover. The recycling device comprises a rough separator, a rough hopper elevator, a grinder, a fine separator, a fine hopper lifter, a fine hopper elevator, a washing module, a drying module, a fusing module and a re-machining module, wherein the rough hopper elevator is communicated with an outlet of the rough separator and an inlet of the grinder; the grinder is communicated with the fine separator; the fine hopper elevator is communicated with an outlet of the fine separator and an inlet of the washing module; and the washing module, the drying module, the fusing module and the re-machining module are sequentially communicated. Compared with the prior art, the recycling device and method have the advantages that the waste filtering bag is recycled and reutilized, secondary pollution caused by treating the waste filtering bag is prevented, and a resource is comprehensively utilized; and polluted gas including dioxin is not generated in a fusing process and the secondary pollution in a recycling process is prevented.

Description

The recycle device of the discarded filter bag of Novel bag-type duster and method
Technical field
The present invention relates to a kind of environmental technology field of discarded filter bag, refer to especially recycle device and the method for the discarded filter bag of Novel bag-type duster.
Background technology
Although the Eleventh Five-Year Plan period China environmental protection obtains positive progress; but the environment situation is still severe; cause the Air Pollutant Emission total amount high take coal as main energy resource structure; the city atmospheric environment situation is still severe; regional atmosphere polluting problem becomes clear day by day; along with " fossil-fuel power plant atmospheric pollutant emission standard " issuing and implementation (GB13223-2011), requirements at the higher level have been proposed thermal power plant's smoke dust discharge concentration simultaneously.For new thermal power plant pollutant emission standard, active service fired power generating unit major part is faced with the problem of Retrofit on electrostatic precipitator.Be that sack cleaner or electric-bag complex dust collector occupy the considerable part ratio in the cleaner reform field by Retrofit on electrostatic precipitator at present, become the main flow trend of Retrofit on electrostatic precipitator.
The special-purpose filtrate of bag-type duster filtering bag mainly comprises: polyphenylene sulfide (PPS), polyimides (P84), polytetrafluoroethylene (PTFE), glass fibre etc., and wherein polyimides (P84), polytetrafluoroethylene (PTFE) are because the high user of price is very few; Though glass fibre filter bag price is cheap, can reduce the overall cost of deduster, because it can only be used for blowback class (minute-pressure deashing) sack cleaner, have influence on the life-span of sack cleaner, the user is also few.Only have polyphenylene sulfide (PPS), better performances, price is placed in the middle, and highly versatile is widely applied, and uses the widest in sack cleaner.And owing to be generally 4 years the projected life of filtrate, the life-span about about 3 years, needs constantly to change a large amount of discarded filter bags greatly during actual the use in the sack cleaner running, and discarded filter bag is difficult for processing and causes simultaneously secondary pollution.
At present discarded filter bag is not done any processing basically, just directly bury or in natural environment, burn.Landfill can be occupied the arable land, the permeability of spoiled soil reduces the soil water storage ability, the spoiled soil microecological balance, discarded residual heavy metal ion and the harmful substance of filter bag can enter into water table by effects such as diffusion, infiltrations in soil in addition, causes the severe contamination of water resource; Burn very easily form have carcinogenic, teratogenesis, the material of mutagenic effect and genotoxicity.Therefore how to realize recovery and the utilization of discarded filter bag, become the common research topic of paying close attention to of scientific worker, also become the sack cleaner problem demanding prompt solution that advances.
Summary of the invention
The present invention proposes a kind of recycle device and method of discarded filter bag of Novel bag-type duster, and having solved needs too high-temperature in the prior art, and can produce the shortcoming of bioxin.
Technical scheme of the present invention is achieved in that
The recycle device of the discarded filter bag of Novel bag-type duster, it is characterized in that, this recycle device comprises coarse separator, coarse fodder bucket elevator, pulverizer, fine separator, fines bucket elevator, wash module, irradiation modules, the melting module, the reprocessing module, described coarse fodder bucket elevator is communicated with the outlet of coarse separator and the entrance of pulverizer, described pulverizer is communicated with fine separator, described fines bucket elevator is communicated with the outlet of fine separator and the entrance of wash module, described wash module, irradiation modules, the melting module, the reprocessing module is communicated with successively.
Also comprise conveyer belt, this conveyer belt is located between the outlet and fines bucket elevator bottom of fine separator.
The recoverying and utilizing method of the discarded filter bag of Novel bag-type duster is characterized in that, this recoverying and utilizing method comprises:
(1) will discard filter bag input coarse separator and carry out rough segmentation;
(2) deliver to pulverizer through the discarded filter bag of rough segmentation by coarse fodder bucket elevator and be ground into discarded filtrate;
(3) discarded filtrate is segmented by fine separator;
(4) delivering to wash module through the discarded filtrate of segmentation by fines bucket elevator washs;
(5) the discarded filtrate after the washing carries out drying by irradiation modules;
(6) dried discarded filtrate is melt into waste filtrate by the melting module;
(7) waste filtrate after the melting enters the reprocessing module and again is processed into filter bag.
Rough segmentation in the described step (1) comprises removes other foreign material irrelevant with discarded filter bag, simultaneously the discarded filter bag of difference is classified.
Segmentation in the described step (2) is that the discarded filtrate after pulverizing is isolated required discarded filtrate by density contrast.
Washing in the described step (4) comprises: rinsing, acidic cleaning, alkaline washing and clear water washing.
Drying in the described step (5) is under 110 ~ 130 ° of C conditions, and the discarded filtrate after the washing is carried out drying.
Melting in the described step (6) is under 300 ~ 350 ° of C conditions, in atmosphere of inert gases discarded filtrate is carried out melting.
Again processing in the described step (7) comprises:
(7A) injection moulding;
(7B) extrusion molding;
(7C) compression molding;
(7D) spray mo(u)lding.
Acidic cleaning washs for the hydrochloric acid solution that adopts 20%-35% in the described step (4), and alkaline washing washs for the sodium hydroxide solution that adopts 10%-20%.
Compared with prior art, advantage of the present invention comprises:
(1) can reach simultaneously the recovery of discarded filter bag and again utilization, prevent the secondary pollution that discarded filter bag processing brings, reach the comprehensive utilization of resource;
(2) melting process can not produce the dusty gas such as bioxin, prevents the secondary pollution in the removal process;
(3) finally obtain the higher polyphenylene sulfide of purity, greatly saved the synthetic cost of polyphenylene sulfide;
(4) the present invention builds simply, and is easy to operate, is easy to realize, is worthy to be popularized.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of recycle device of the discarded filter bag of Novel bag-type duster of the present invention.
Wherein, 1-coarse separator, 2-coarse fodder bucket elevator, 3-pulverizer, 4-fine separator, 5-conveyer belt, 6-fines bucket elevator, 7-wash module, 8-irradiation modules, 9-melting module, 10-reprocess module
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
As shown in Figure 1, the recycle device of the discarded filter bag of Novel bag-type duster comprises coarse separator 1, coarse fodder bucket elevator 2, pulverizer 3, fine separator 4, conveyer belt 5, fines bucket elevator 6, wash module 7, irradiation modules 8, melting module 9, reprocessing module 10.Described coarse fodder bucket elevator 2 is communicated with the outlet of coarse separator 1 and the entrance of pulverizer 3, described pulverizer 3 is communicated with fine separator 4, described fines bucket elevator 6 is communicated with the outlet of fine separator 4 and the entrance of wash module 7, and described wash module 7, irradiation modules 8, melting module 9, reprocessing module 10 are communicated with successively.Conveyer belt 5 is located between the outlet and fines bucket elevator 6 bottoms of fine separator 4.
The recoverying and utilizing method of the discarded filter bag of Novel bag-type duster, this recoverying and utilizing method comprises:
(1) will discard filter bag input coarse separator and carry out rough segmentation;
(2) deliver to pulverizer through the discarded filter bag of rough segmentation by coarse fodder bucket elevator and be ground into discarded filtrate;
(3) discarded filtrate is segmented by fine separator;
(4) delivering to wash module through the discarded filtrate of segmentation by fines bucket elevator washs;
(5) the discarded filtrate after the washing carries out drying by irradiation modules;
(6) dried discarded filtrate is melt into waste filtrate by the melting module;
(7) waste filtrate after the melting enters the reprocessing module and again is processed into filter bag.
Specifically, discarded exactly filter bag carries out rough segmentation by coarse separator 1 first, delivering to pulverizer 3 by coarse fodder bucket elevator 2 afterwards pulverizes, segmented by fine separator 4 again, delivering to fines bucket elevator 6 by conveyer belt 5 rises to wash module 7 and washs, discarded filtrate after the washing carries out entering melting module 9 after the drying through irradiation modules 8 first and carries out melting, again processes and reaches recycling thereby melting filtrate enters reprocessing module 10.
In the above-mentioned steps, coarse separator 1 Main Function is to remove other foreign material irrelevant with discarded filter bag, simultaneously the discarded filter bag of difference is classified.Fine separator 4 Main Functions are that the discarded filter bag after pulverizing is gone out to discard discarded filtrate in the filter bag by Density Separation.
The washing of wash module 7 comprises rinsing, clear water washing, acidic cleaning and alkaline washing, stirs by agitator in the washing process, reaches the purpose of abundant washing.The discarded filtrate of pulverizing carries out first 2-3 rinsing, remove the surperficial adjuncts such as dust of filtrate absorption itself, the rear impurity such as heavy metal that adsorb on 1 acid washing and 1 the alkaline washing removal filtrate of carrying out respectively, after carry out again 1 rinsing, remove acid-alkali washing liquid residual on the filtrate, carry out at last the clear water washing.Wherein rinsing is for adopting cleaning solution directly to wash, and acidic cleaning is for to adopt the hydrochloric acid solution of 20%-35% to wash first, washs with desalted water afterwards, and alkaline washing washs for the sodium hydroxide solution of employing 10%-20%.
The drying of irradiation modules 8 is for carrying out drying to the filtrate after the washing under the 110-130 ° of C condition, and Main Function is the residual moisture that filtrate carries after the removal washing, guarantees the drying of filtrate.
The melting of melting module 9 is under 300-350 ° of C condition, carries out melting in atmosphere of inert gases, and inert gas can be nitrogen herein.
The processing mode of reprocessing module 10 comprises injection moulding, extrusion molding, compression molding and spray mo(u)lding.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. the recycle device of the discarded filter bag of Novel bag-type duster, it is characterized in that, this recycle device comprises coarse separator, coarse fodder bucket elevator, pulverizer, fine separator, fines bucket elevator, wash module, irradiation modules, the melting module, the reprocessing module, described coarse fodder bucket elevator is communicated with the outlet of coarse separator and the entrance of pulverizer, described pulverizer is communicated with fine separator, described fines bucket elevator is communicated with the outlet of fine separator and the entrance of wash module, described wash module, irradiation modules, the melting module, the reprocessing module is communicated with successively.
2. the recycle device of the discarded filter bag of Novel bag-type duster according to claim 1 is characterized in that, also comprises conveyer belt, and this conveyer belt is located between the outlet and fines bucket elevator bottom of fine separator.
3. the recoverying and utilizing method of the discarded filter bag of Novel bag-type duster is characterized in that, this recoverying and utilizing method comprises:
(1) will discard filter bag input coarse separator and carry out rough segmentation;
(2) deliver to pulverizer through the discarded filter bag of rough segmentation by coarse fodder bucket elevator and be ground into discarded filtrate;
(3) discarded filtrate is segmented by fine separator;
(4) delivering to wash module through the discarded filtrate of segmentation by fines bucket elevator washs;
(5) the discarded filtrate after the washing carries out drying by irradiation modules;
(6) dried discarded filtrate is melt into waste filtrate by the melting module;
(7) waste filtrate after the melting enters the reprocessing module and again is processed into filter bag.
4. the recoverying and utilizing method of the discarded filter bag of Novel bag-type duster according to claim 3 is characterized in that, the rough segmentation in the described step (1) comprises removes other foreign material irrelevant with discarded filter bag, simultaneously the discarded filter bag of difference is classified.
5. the recoverying and utilizing method of the discarded filter bag of Novel bag-type duster according to claim 3 is characterized in that, the segmentation in the described step (2) is that the discarded filtrate after pulverizing is isolated required discarded filtrate by density contrast.
6. the recoverying and utilizing method of the discarded filter bag of Novel bag-type duster according to claim 3 is characterized in that, the washing in the described step (4) comprises: rinsing, acidic cleaning, alkaline washing and clear water washing.
7. the recoverying and utilizing method of the discarded filter bag of Novel bag-type duster according to claim 3 is characterized in that, the drying in the described step (5) is under 110 ~ 130 ° of C conditions, and the discarded filtrate after the washing is carried out drying.
8. the recoverying and utilizing method of the discarded filter bag of Novel bag-type duster according to claim 3 is characterized in that, the melting in the described step (6) is under 300 ~ 350 ° of C conditions, in atmosphere of inert gases discarded filtrate is carried out melting.
9. the recoverying and utilizing method of the discarded filter bag of Novel bag-type duster according to claim 3 is characterized in that, the again processing in the described step (7) comprises:
(7A) injection moulding;
(7B) extrusion molding;
(7C) compression molding;
(7D) spray mo(u)lding.
10. the recoverying and utilizing method of the discarded filter bag of Novel bag-type duster according to claim 3, it is characterized in that, acidic cleaning washs for the hydrochloric acid solution that adopts 20%-35% in the described step (4), and alkaline washing washs for the sodium hydroxide solution that adopts 10%-20%.
CN2012105410361A 2012-12-13 2012-12-13 Recycling device and method of waste filtering bag of novel bag type dust remover Pending CN103009501A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103252326A (en) * 2013-04-25 2013-08-21 山东大学 Automatic cleaning device and automatic cleaning method for bag-type dust remover waste filtering bag
CN104353658A (en) * 2014-11-05 2015-02-18 湖州格尔泰斯环保技术有限公司 Waste PTFE dedusting filter-bag recycling method
CN108405150A (en) * 2018-03-19 2018-08-17 山东京博装备制造安装有限公司 A kind of discarded rock wool processing unit
CN110696223A (en) * 2019-10-17 2020-01-17 安徽工业大学 Cleaning and recycling equipment and method for waste filter bags
CN110898530A (en) * 2019-12-09 2020-03-24 安徽省利特环保技术有限公司 Folding type micro-fine particle lengthening filter cylinder
CN110898531A (en) * 2019-12-09 2020-03-24 安徽省利特环保技术有限公司 Method for controlling filter diameter of high polymer material for filter cartridge
CN110919952A (en) * 2019-12-09 2020-03-27 安徽省利特环保技术有限公司 Waste filter bag recycling and remanufacturing method
CN112140400A (en) * 2020-09-15 2020-12-29 东北大学 A cleaning device and method for recycling waste filter bags

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CN1339351A (en) * 2000-08-28 2002-03-13 北京鹏远环境工程有限公司 Method for reclaiming and pelleting waste plastic
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JP2008100413A (en) * 2006-10-18 2008-05-01 Sharp Corp Plastic waste recycling method and plastic raw material manufacturing method, plastic member manufacturing method, plastic raw material, plastic member
CN102672852A (en) * 2011-03-17 2012-09-19 柯尼卡美能达商用科技株式会社 Regenerated resin, manufacturing method of recycled resin
CN202964983U (en) * 2012-12-13 2013-06-05 华电电力科学研究院 Recycling device of abandoned filter bags of novel bag-type deduster

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CN1278536A (en) * 1999-06-16 2001-01-03 张高文 Waste foamed plastic product recovering and regenerating process
CN1339351A (en) * 2000-08-28 2002-03-13 北京鹏远环境工程有限公司 Method for reclaiming and pelleting waste plastic
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103252326A (en) * 2013-04-25 2013-08-21 山东大学 Automatic cleaning device and automatic cleaning method for bag-type dust remover waste filtering bag
CN103252326B (en) * 2013-04-25 2015-07-15 山东大学 Automatic cleaning device and automatic cleaning method for bag-type dust remover waste filtering bag
CN104353658A (en) * 2014-11-05 2015-02-18 湖州格尔泰斯环保技术有限公司 Waste PTFE dedusting filter-bag recycling method
CN108405150A (en) * 2018-03-19 2018-08-17 山东京博装备制造安装有限公司 A kind of discarded rock wool processing unit
CN110696223A (en) * 2019-10-17 2020-01-17 安徽工业大学 Cleaning and recycling equipment and method for waste filter bags
CN110898530A (en) * 2019-12-09 2020-03-24 安徽省利特环保技术有限公司 Folding type micro-fine particle lengthening filter cylinder
CN110898531A (en) * 2019-12-09 2020-03-24 安徽省利特环保技术有限公司 Method for controlling filter diameter of high polymer material for filter cartridge
CN110919952A (en) * 2019-12-09 2020-03-27 安徽省利特环保技术有限公司 Waste filter bag recycling and remanufacturing method
CN112140400A (en) * 2020-09-15 2020-12-29 东北大学 A cleaning device and method for recycling waste filter bags

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Application publication date: 20130403