CN101823019B - Air separation device and method of garbage - Google Patents

Air separation device and method of garbage Download PDF

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Publication number
CN101823019B
CN101823019B CN2010101649514A CN201010164951A CN101823019B CN 101823019 B CN101823019 B CN 101823019B CN 2010101649514 A CN2010101649514 A CN 2010101649514A CN 201010164951 A CN201010164951 A CN 201010164951A CN 101823019 B CN101823019 B CN 101823019B
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China
Prior art keywords
heavy substance
air
house refuse
separation
circulating fan
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CN2010101649514A
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Chinese (zh)
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CN101823019A (en
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杜文利
唐俊柏
赵宏
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北京昊海天际科技有限公司
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Publication of CN101823019A publication Critical patent/CN101823019A/en
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Publication of CN101823019B publication Critical patent/CN101823019B/en

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Abstract

The invention relates to an air separation device for domestic garbage. The whole device comprises a preprocessing unit and an air separation unit, wherein the preprocessing unit contains a feed belt, a magnetic separator and a crusher, and the air separation unit comprises a charging belt, a dedusting filter cartridge, a first circulating fan, an air separation chamber, an air return pipeline, a first roller, a second roller, a second circulating fan, a heavy substance storage bin, an intermediate-weight substance storage bin, and a light substance storage bin. In the invention, the separation of the domestic garbage is realized by the following steps: the domestic garbage entering the magnetic separator for the magnetic separation through the feed belt, removing metal, after crushing the garbage entering the air separation chamber through the charging belt, the circulating fan controlling the an average section air speed in the air separation chamber of 8m/s, the air amount of 3400m<3>/h, separating the domestic garbage in the air separation chamber because of density variation; the heavy substance in the domestic garbage directly falling to the heavy substance storage bin because of large density; the heavy substance in the domestic garbage falling into the heavy substance storage bin after diversion under the joint action of the air force and the first roller, controlling the rotation speed of the first roller as 19rpm; while the light substance in the domestic garbage keeping on moving under the drive of the air force, and entering the light substance storage bin through a belt pulley under the drive of the second roller, controlling the rotation speed of the second roller as 38rpm, the returning air connecting the dedusting filter cartridge through the pipes for dust separation, then returning to the circulating fan.

Description

A kind of rubbish air blasting device
Technical field
Patent of the present invention relates to a kind of pneumatic separation device and method, is specifically related to a kind of pneumatic separation device and method that is used for heavy substance, heavy substance and the light materials of sorting house refuse.
Background technology
A large amount of house refuses has not only had a strong impact on people's life at present, and hindered the development in city, the annual production of existing domestic waste is near 1.5 hundred million tons, major part is air storage all, have a strong impact on the healthy of urban look and resident, but also be a kind of resource in the house refuse simultaneously, the part reusable edible.Therefore the processing of house refuse should grasped the target of innoxious, resource and minimizing.
As everyone knows, the house refuse composition is very complicated, and space and time difference is big, and intractability is big.The processing method of house refuse mainly contains burning, landfill and compost etc.To not cause the damage of fire grate easily if house refuse is not carried out the just direct burning of sorting, produce dusty gas, influence exhaust emissions; And if directly landfill or compost are not only wasted many precious resources, and a lot of complicated ingredients in the house refuse can not obtain imitating degraded, are difficult to reach the purpose of effective improvement.Therefore, before burning, landfill and compost, it is very necessary house refuse to be carried out preliminary treatment such as sorting, is method in common comparatively in the industry and utilize pneumatic separation device to carry out the current density sorting.
The pneumatic separation device that is used for domestic rubbish disposal at present, being used for separately, the water conservancy diversion cylinder of density different material has only one-level, often can only separate two kinds of materials of heavy and light, and the organic matter that is used for processing such as later stage fermentation belongs to heavy substance, and traditional pneumatic separation device can not carry out effective sorting with middle heavy substance in the house refuse and heavy substance.Heavy substance in the house refuse mostly is foreign material such as stone, does not contain organic matter, and suitable sanitary landfills is handled, if allow middle heavy substances such as its continuation and organic matter mix, also can influence the subsequent treatment operation.In the method for tradition selection by winnowing house refuse,, but directly the house refuse of mixed collection is sent into air separation units, cause the machine utilization height, serious problems such as selection by winnowing efficient is low, plant maintenance difficulty usually without pretreatment process such as magnetic separation and fragmentations.
Summary of the invention
The invention provides a kind of house refuse can be separated into heavy, in heavy, light three kinds of materials, and can effectively reduce machine utilization, improve selection by winnowing efficient, the simple device and method of plant maintenance.
House refuse pneumatic separation device involved in the present invention mainly is made up of feed belt (1), magnetic separator (2), disintegrating machine (3), charging belt (4), dedusting filter cylinder (5), first circulating fan (6), selection by winnowing chamber (7), return air duct (8), first cylinder (9), second tin roller (10), second circulating fan (11), heavy substance storage silo (12), middle heavy substance storage silo (13), light materials storage silo (14), light materials transmission belt (15).Magnetic separator (2) is at feed belt (1) top 40-50cm, and disintegrating machine (3) is installed in the port of export of feed belt, and charging belt (4) links to each other with the air separation units charging aperture with disintegrating machine; Dedusting filter cylinder (5) links to each other with return air duct, mainly removes the thin dirt that return air duct is come, and returns circulating fan again; First circulating fan (6) is installed in charging aperture below, selection by winnowing chamber, is the power set of system, and connects the dedusting filter cylinder simultaneously; Opened charging aperture, three discharging openings and three backwind tube outlets on the selection by winnowing chamber (7), shape as shown in Figure 1; Return air duct (8) is arranged on the top of selection by winnowing chamber, and the port of export links to each other with the dedusting filter cylinder; First cylinder (9) is installed in the right oblique upper 20-30cm of heavy substance outlet; The right oblique upper 20-30cm of heavy substance outlet during second tin roller (10) is installed in; Second circulating fan (11) is installed between heavy substance storage silo and the middle heavy substance storage silo, specifically sees Fig. 1; Heavy substance storage silo (12) is arranged on weight outlet lower end, is used for storing the weight of house refuse such as stone, big bone, battery; Heavy substance outlet lower end was used for storing the middle heavy organic substance of house refuse during middle heavy substance storage silo (13) was arranged on; Light materials storage silo (14) is arranged on light material outlet lower end, is used for the light materials plastics of house refuse, the storage of paper; Light thing transmission belt (15) is installed in the lower end of second tin roller, and the light material in the house refuse is transferred to light material outlet place.
The house refuse wind selection method that the present invention relates to is mainly realized by following steps:
At first with the house refuse of collecting by magnetic separator and disintegrating machine preliminary treatment after, transmission enters air separation units through belt; Start the blower fan putting in blast, average section wind speed 8/s in the control workspace, air quantity is 34000m 3Behind/the h, house refuse owing to density variation, obtains sorting in the selection by winnowing chamber.Heavy substance stone in the house refuse, big bone, battery, metal are because density more directly falls into the heavy substance storage silo; Middle heavy substance in the house refuse, promptly the food organic matter is then bumping against under the drive of wind-force on first cylinder, heavy substance storage silo in its guide functions falls into, the rotating speed of first cylinder is 19 rev/mins; Light materials polybag in the house refuse etc. then can continue motion under wind-force drives, and is transferred to light thing outlet by light thing transmission belt under the drive of guide shell 2, falls into the light materials storage silo, and the rotating speed of second tin roller is 38 rev/mins.Thin dirt in the house refuse is connected to the dedusting filter cylinder by return air duct and is removed, and return air returns circulating fan.Heavy substance direct landfill after simple artificial separation, middle heavy substance is used for pulp to be handled, the light materials reuse of packing through washing after, the also direct landfill of the thin dirt of dedusting filter cylinder.
House refuse pneumatic separation device provided by the invention and method have following obvious superiority:
(1) apparatus of the present invention through magnetic separator and disintegrating machine, are carried out magnetic separation and broken preliminary treatment to the selection by winnowing house refuse earlier before house refuse enters air separation units, can improve the efficiency of separation effectively.
(2) apparatus of the present invention are at the indoor two-stage water conservancy diversion cylinder that is provided with of selection by winnowing, can be respectively middle heavy substance and light materials water conservancy diversion such as corresponding recovery zone, and then realized heavy substance, middle heavy substance and light materials are separated.And traditional pneumatic separation device can only be heavy substance and light materials two big classes with sorting consumer waste.
(3) apparatus of the present invention are provided with 3 return air ducts at top, pneumatic separator selection by winnowing chamber, and return air duct links to each other with the dedusting filter cylinder and the thin dirt in the return air can be removed, and then can avoid airborne dust effectively.
(4) house refuse selection by winnowing processing method provided by the invention by the organic linking of above-mentioned treatment step, can be separated the heavy substance in the house refuse, middle heavy substance and light materials effectively, thin dirt can be removed by filter cylinder.By this method house refuse is carried out sorting and can reduce machine utilization effectively, this method environmental friendliness, selection by winnowing efficient height, plant maintenance are simply easy.
Description of drawings
Fig. 1 is the schematic diagram of life rubbish air blasting device.
Among the figure, feed belt (1), magnetic separator (2), disintegrating machine (3), charging belt (4), dedusting filter cylinder (5), first circulating fan (6), selection by winnowing chamber (7), return air duct (8), first cylinder (9), second tin roller (10), second circulating fan (11), heavy substance storage silo (12), middle heavy substance storage silo (13), light materials storage silo (14), light thing transmission belt (15) are formed.
The specific embodiment
Application example with reference to this device and method of elaboration shown in Figure 1.
At first house refuse enters crusher in crushing after process magnetic separator magnetic separation on the feed belt, entering the selection by winnowing chamber by the transmission of the charging belt in the air separation units again, by the indoor average section wind speed of circulating fan control selection by winnowing 8m/s, air quantity 34000m 3/ h, house refuse owing to density variation, obtains sorting in the selection by winnowing chamber.Heavy substance in the house refuse is because density directly falls into the heavy substance storage silo than conference; Middle heavy substance in the house refuse bumps against water conservancy diversion first cylinder under the drive of wind-force, and in its guide functions falls into the heavy substance storage silo, the rotating speed of first cylinder is 19 rev/mins; Light materials in the house refuse then can continue to travel forward under wind-force drives, and enters the light materials storage silo by the belt pulley transmission under the drive of water conservancy diversion second tin roller, and the rotating speed of second tin roller is 38 rev/mins.House refuse also contains some thin dirt also lighter than polybag, enters the dedusting filter cylinder by return air duct under wind-force drives.The heavy substance that a whole set of air separation units is collected direct landfill after simple artificial separation, middle heavy substance then can carry out fermentation process after pulp, and light materials mostly is plastics, paper, can be through washing the reuse of packing after moulding, the thin dirt in the dedusting filter cylinder is direct landfill also.

Claims (4)

1. pneumatic separation device that is used for house refuse, package unit comprises pretreatment unit and air separation units, wherein pretreatment unit comprises feed belt, magnetic separator and disintegrating machine, and air separation units comprises charging belt, dedusting filter cylinder, first circulating fan, selection by winnowing chamber, return air duct, first cylinder, second tin roller, second circulating fan, heavy substance storage silo, middle heavy substance storage silo, light materials storage silo; House refuse is carried out magnetic separation behind feed belt, remove metal, enters the selection by winnowing chamber by the charging belt transmission again after crusher in crushing, is 8m/s by the indoor average section wind speed of circulating fan control selection by winnowing, air quantity 34000m 3/ h, house refuse owing to density variation, obtains sorting in the selection by winnowing chamber; Heavy substance in the house refuse is because density more directly falls into the heavy substance storage silo; Middle heavy substance in the house refuse then under the synergy of the wind-force and first cylinder, falls into the heavy substance storage silo behind the water conservancy diversion, the rotating speed of first cylinder is controlled to be 19 rev/mins; Light materials in the house refuse then can continue motion under wind-force drives, under the drive of second tin roller, enter the light materials storage silo by the belt pulley transmission, the rotating speed of second tin roller is controlled to be 38 rev/mins, and return air is connected to the dedusting filter cylinder by pipeline and carries out dedusting, returns circulating fan then.
2. pneumatic separation device according to claim 1 is characterized in that the magnetic separator of pretreatment unit is positioned at the top 40-50cm of feed belt, and disintegrating machine is positioned at the port of export of feed belt.
3. pneumatic separation device according to claim 1 is characterized in that being provided with two cylinders material is carried out water conservancy diversion in air separation units, first cylinder is positioned at the oblique upper 20-30cm of heavy substance outlet, and second tin roller is arranged in the oblique upper 20-30cm of heavy substance.
4. pneumatic separation device according to claim 1 is characterized in that at top, selection by winnowing chamber 3 return air ducts being set, and return air is connected to the dedusting filter cylinder by return air duct, returns circulating fan after udst separation.
CN2010101649514A 2010-05-07 2010-05-07 Air separation device and method of garbage CN101823019B (en)

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Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103084335B (en) * 2011-10-31 2015-03-18 朱学智 Garbage disposal device
CN102601054A (en) * 2012-03-13 2012-07-25 郑鹏程 Separating unit for classifying and separating weights in mixed garbage
CN102671862B (en) * 2012-05-07 2014-12-24 四川川润环保能源科技有限公司 Double-air compartment multifunctional winnowing machine used for municipal solid waste
CN103752514A (en) * 2014-01-14 2014-04-30 鄂尔多斯市城市矿产研究开发有限责任公司 Negative-pressure winnowing machine with air-solid separation and dust removal functions
CN104607385A (en) * 2015-01-14 2015-05-13 上海申嘉三和环保股份有限公司 Trash sorting device and method
CN104941980A (en) * 2015-04-21 2015-09-30 河南亚太能源科技股份有限公司 Garbage classified treatment and gas purification cyclic utilization device
CN106269504A (en) * 2015-06-05 2017-01-04 北京三态环境科技有限公司 A kind of semi-vertical Domestic garbage winnowing machine
CN108421712A (en) * 2017-02-12 2018-08-21 张伏辰 A kind of material separator
CN107244515A (en) * 2017-07-24 2017-10-13 河北极度新能源科技有限公司 A kind of environment-protection garbage truck
CN109701887A (en) * 2018-12-29 2019-05-03 常州工学院 A kind of light materials separator that intelligent construction garbage regeneration utilizes

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2261887Y (en) * 1996-06-27 1997-09-10 冯铁强 Municipal life refuse sorter
JP4397783B2 (en) * 2004-10-12 2010-01-13 新日鉄エンジニアリング株式会社 Waste disposal method using molded lump
CN101274321A (en) * 2007-03-30 2008-10-01 杨计明 Integrative fanning machine
CN101249494B (en) * 2008-04-02 2013-03-06 北京金州工程有限公司 Wind power sorting device

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Address after: 100096, Beijing, Haidian District, Xisanqi Xindu Huandao B building, room 717

Patentee after: Beijing Haohai Tianji Technology Co., Ltd.

Patentee after: Jilin Hao Hai horizon Technology Co., Ltd.

Address before: 100096, Beijing, Haidian District, Xisanqi Xindu Huandao B building, room 717

Patentee before: Beijing Haohai Tianji Technology Co., Ltd.

Effective date of registration: 20151124

Address after: 100096, Beijing, Haidian District, Xisanqi Xindu Huandao B building, room 717

Patentee after: Beijing Haohai Tianji Technology Co., Ltd.

Patentee after: Jilin Hao Hai horizon Technology Co., Ltd.

Address before: 100096, Beijing, Haidian District, Xisanqi Xindu Huandao B building, room 717

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