CN106391471A - Integrative sorting machine for household garbage - Google Patents

Integrative sorting machine for household garbage Download PDF

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Publication number
CN106391471A
CN106391471A CN201610937318.1A CN201610937318A CN106391471A CN 106391471 A CN106391471 A CN 106391471A CN 201610937318 A CN201610937318 A CN 201610937318A CN 106391471 A CN106391471 A CN 106391471A
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winnower
crude drugs
selecting crude
airduct
garbage
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高细平
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B9/00Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B11/00Arrangement of accessories in apparatus for separating solids from solids using gas currents
    • B07B11/02Arrangement of air or material conditioning accessories
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B11/00Arrangement of accessories in apparatus for separating solids from solids using gas currents
    • B07B11/04Control arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B11/00Arrangement of accessories in apparatus for separating solids from solids using gas currents
    • B07B11/06Feeding or discharging arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B11/00Arrangement of accessories in apparatus for separating solids from solids using gas currents
    • B07B11/08Cleaning arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B4/00Separating solids from solids by subjecting their mixture to gas currents
    • B07B4/02Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall
    • B07B4/025Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall the material being slingered or fled out horizontally before falling, e.g. by dispersing elements

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  • Combined Means For Separation Of Solids (AREA)

Abstract

本发明公开了一种生活垃圾一体化分选机,包括投料装置(1)和振动筛(3),所述生活垃圾一体化分选机还包括一次风选装置(2)和二次风选装置(4),所述投料装置(1)设置于一次风选装置(2)的上方,所述振动筛(3)倾斜设置,振动筛(3)的进料端高于出料端,振动筛(3)的进料端与所述一次风选装置(2)的下部相连,振动筛(3)的出料端连接所述二次风选装置(4)。该生活垃圾一体化分选机分选效率高,分选效果好,可有效降低人工劳动强度,可将比重大于1.5的砖块、玻璃瓶、电池、铁块等物料,比重约为0.8‑1.5的大块瓜果等物料以及泥沙进行分类分离回收。

The invention discloses an integrated domestic waste sorting machine, which comprises a feeding device (1) and a vibrating screen (3). The integrated domestic waste sorting machine also includes a primary winnowing device (2) and a secondary winnowing device (4), the feeding device (1) is set above the primary winnowing device (2), the vibrating screen (3) is installed obliquely, the feed end of the vibrating screen (3) is higher than the discharge end, vibrating The feed end of the sieve (3) is connected to the lower part of the primary air separation device (2), and the discharge end of the vibrating screen (3) is connected to the secondary air separation device (4). The domestic waste integrated sorting machine has high sorting efficiency and good sorting effect, which can effectively reduce the labor intensity. It can sort bricks, glass bottles, batteries, iron blocks and other materials with a specific gravity greater than 1.5, and the specific gravity is about 0.8-1.5. Large pieces of melons and fruits and other materials as well as sediment are classified, separated and recycled.

Description

生活垃圾一体化分选机Domestic waste integrated sorting machine

技术领域technical field

本发明涉及垃圾处理技术领域,具体涉及一种生活垃圾一体化分选机。The invention relates to the technical field of garbage treatment, in particular to an integrated sorting machine for domestic garbage.

背景技术Background technique

随着我国经济的飞速发展,生活垃圾的产量也逐渐增加,我国传统的“掩埋法”、“焚烧法”等处理垃圾方式已经不能满足越来越高的环境的要求,对废弃物“资源化、减量化、无害化”处理已成为大趋势,要对生活垃圾处理进行处理,首先就要对垃圾进行分选、分类,相应的对生活垃圾分选效果和效率也有越来越高要求。With the rapid development of my country's economy, the output of domestic waste is also gradually increasing. Our country's traditional "burying method" and "incineration method" to deal with waste can no longer meet the increasingly high environmental requirements. , Reduction, and harmless" treatment has become a general trend. To deal with domestic waste, the first step is to sort and classify the waste. Correspondingly, there are increasingly higher requirements for the effect and efficiency of domestic waste sorting. .

目前,在垃圾的处理过程中存在缺陷问题较多,一般多采用水平振动筛网对垃圾进行松散和筛选。但是,随着生活垃圾中所含物质的多样化及状态的变化,当垃圾中的腐烂有机物质过多、泥沙的含量高或者垃圾中的粘性物质过多时,会导致垃圾的湿度过大,经常造成振动筛的筛网堵塞,使垃圾的松散筛选无法顺利实现,工作效率低,如果不能及时地处理这些沉积物质,同时轻质塑料类垃圾无法分选出来,这样不仅会造成可利用资源的浪费,还会因沉积物质的腐烂变质污染周围的环境。At present, there are many defects and problems in the process of garbage processing. Generally, horizontal vibrating screens are used to loosen and screen the garbage. However, with the diversification and state changes of the substances contained in domestic garbage, when there are too many rotten organic substances in the garbage, the content of sediment is high, or there are too many sticky substances in the garbage, the humidity of the garbage will be too high. It often causes the screen mesh of the vibrating screen to be blocked, so that the loose screening of garbage cannot be achieved smoothly, and the work efficiency is low. If these sediments cannot be disposed of in time, and light plastic garbage cannot be sorted out, this will not only cause a waste of available resources It is wasteful and pollutes the surrounding environment due to the decay and deterioration of sedimentary materials.

此外,现有垃圾分选设备对垃圾的分选效果不佳,分选的精度不高,尤其是不能高效地将垃圾中的比重大于1.5的砖块、玻璃瓶、电池、铁块等物料,比重约为0.8-1.5的大块瓜果等物料以及泥沙有效地分别从生活垃圾中分离出来,进行分类回收。In addition, the existing garbage sorting equipment does not have a good sorting effect on garbage, and the sorting accuracy is not high, especially bricks, glass bottles, batteries, iron blocks and other materials whose specific gravity is greater than 1.5 in the garbage cannot be efficiently sorted. Materials such as large pieces of melons and fruits with a specific gravity of about 0.8-1.5, as well as sediment, are effectively separated from domestic waste for classification and recycling.

发明内容Contents of the invention

本发明所要解决的技术问题是,克服以上背景技术中提到的不足和缺陷,提供一种分选效率高,分选效果好,可有效降低人工劳动强度,可将比重大的砖块、玻璃瓶、电池、铁块等物料,比重稍小的大块瓜果等物料以及泥沙进行分类分离回收的生活垃圾一体化分选机。The technical problem to be solved by the present invention is to overcome the deficiencies and defects mentioned in the above background technology, provide a kind of sorting efficiency, good sorting effect, can effectively reduce the labor intensity, and can separate the bricks and glass with large proportion. It is an integrated domestic waste sorting machine for sorting, separating and recycling materials such as bottles, batteries, iron blocks, etc., large pieces of melons and fruits with a slightly smaller specific gravity, and sediment.

为解决上述技术问题,本发明提出的技术方案为:In order to solve the problems of the technologies described above, the technical solution proposed by the present invention is:

一种生活垃圾一体化分选机,包括投料装置和振动筛,所述生活垃圾一体化分选机还包括一次风选装置和二次风选装置,所述投料装置设置于一次风选装置的上方,所述振动筛倾斜设置,振动筛的进料端高于出料端,振动筛的进料端与所述一次风选装置的下部相连,振动筛的出料端连接所述二次风选装置。An integrated domestic waste sorting machine, including a feeding device and a vibrating screen, the integrated domestic waste sorting machine also includes a primary wind separation device and a secondary wind separation device, and the feeding device is arranged on the primary wind separation device Above, the vibrating screen is installed obliquely, the feed end of the vibrating screen is higher than the discharge end, the feed end of the vibrating screen is connected to the lower part of the primary air separation device, and the discharge end of the vibrating screen is connected to the secondary wind. select device.

作为对上述技术方案的进一步改进:As a further improvement to the above technical solution:

优选的,所述一次风选装置包括与所述投料装置的下部连接的一次风选垃圾通道,所述一次风选垃圾通道的侧壁上设置有一次风选风管,所述一次风选风管连接一鼓风机,所述一次风选垃圾通道的下部设置有重型物体落料斗和一次风选出料口,所述重型物体落料斗设置于一次风选垃圾通道的靠近一次风选风管的一侧,所述一次风选出料口设置于一次风选垃圾通道的与一次风选风管相对的一侧。Preferably, the primary winnowing device includes a primary winnowing garbage channel connected to the lower part of the feeding device, a primary winnowing air duct is arranged on the side wall of the primary winnowing waste channel, and the primary winnowing wind The pipe is connected with a blower, and the lower part of the primary winnowing garbage channel is provided with a heavy object dropping hopper and a primary winnowing outlet, and the heavy object dropping hopper is arranged on a side of the primary winnowing garbage channel close to the primary winnowing air duct. The primary winnowing discharge outlet is set on the side opposite to the primary winnowing air duct of the primary winnowing garbage channel.

更优选的,所述一次风选风管与所述一次风选垃圾通道相通处为一次风选风口,所述一次风选风口为圆弧形,一次风选风管上安装有用于调整一次风选风管内风压的第一风门,所述一次风选风管与所述一次风选垃圾通道垂直连接。More preferably, the primary winnowing air duct communicates with the primary winnowing garbage channel is a primary winnowing tuyere, the primary winnowing tuyere is arc-shaped, and the primary winnowing air duct is equipped with a device for adjusting the primary wind. The first damper of wind pressure in the air selection duct, the primary air selection air duct is vertically connected with the primary air selection garbage channel.

更优选的,所述投料装置包括进料斗以及安装于所述进料斗下方的拨料滚筒,所述拨料滚筒安装于所述一次风选垃圾通道的上方,且位于一次风选垃圾通道连接有一次风选风管的一侧。More preferably, the feeding device includes a feeding hopper and a material picking roller installed below the feeding hopper, and the material picking roller is installed above the primary winnowing garbage channel and is located in the primary winnowing garbage channel Connect to one side of the air duct for primary winnowing.

更优选的,所述拨料滚筒的上方和下方均安装有垃圾挡板。More preferably, garbage baffles are installed above and below the shifting drum.

优选的,所述二次风选装置包括与所述振动筛的下端连接的二次风选垃圾通道,所述二次风选垃圾通道的侧壁上设置有二次风选风管,所述二次风选风管连接鼓风机,所述二次风选垃圾通道的下部设置有轻型物体落料斗和二次风选出料口,所述轻型物体落料斗设置于二次风选垃圾通道的靠近二次风选风管的一侧,所述二次风选出料口设置于二次风选垃圾通道的与二次风选风管相对的一侧。Preferably, the secondary winnowing device includes a secondary winnowing garbage passage connected to the lower end of the vibrating screen, a secondary winnowing air duct is arranged on the side wall of the secondary winnowing refuse passage, the The secondary winnowing air duct is connected to the blower, and the lower part of the secondary winnowing garbage channel is provided with a light object dropping hopper and a secondary winnowing outlet, and the light object dropping hopper is arranged near the secondary winnowing garbage channel. One side of the secondary winnowing air duct, the secondary winnowing outlet is set on the opposite side of the secondary winnowing garbage channel to the secondary winnowing duct.

更优选的,所述二次风选风管与所述二次风选垃圾通道相接处为二次风选风口,所述二次风选风口为圆弧形,二次风选风管上安装有用于调整二次风选风管内风压的第二风门,所述二次风选风管与所述二次风选垃圾通道垂直连接。More preferably, the junction of the secondary air selection duct and the secondary air selection waste passage is a secondary air selection tuyere, and the secondary air selection air outlet is arc-shaped, and the secondary air selection air duct is A second damper for adjusting the air pressure in the air duct of the secondary air selection is installed, and the air duct of the secondary air selection is vertically connected with the garbage channel of the secondary air selection.

更优选的,所述二次风选出料口的下方安装有出料输送机,所述二次风选出料口的中心轴线与所述出料输送机的输送方向之间的夹角为100°≤α≤140°。More preferably, a discharge conveyor is installed below the discharge port of the secondary wind selection, and the angle between the central axis of the discharge port of the secondary wind selection and the conveying direction of the discharge conveyor is 100°≤α≤140°.

优选的,所述振动筛与水平面之间的夹角为10°≤β≤12°,所述振动筛的下方安装有沿振动筛倾斜方向并列设置的多个泥沙收集斗,所述泥沙收集斗上设置有高压水冲洗头。Preferably, the included angle between the vibrating screen and the horizontal plane is 10°≤β≤12°, a plurality of sediment collection buckets arranged side by side along the inclination direction of the vibrating screen are installed under the vibrating screen, and the sediment A high-pressure water flushing head is arranged on the collecting bucket.

优选的,所述生活垃圾一体化分选机还包括壳体,所述投料装置、一次风选装置、振动筛和二次风选装置均安装在所述壳体内,壳体上设置有人孔;所述生活垃圾一体化分选机还包括一PLC控制器,所述投料装置、一次风选装置、振动筛和二次风选装置均与所述PLC控制器连接。Preferably, the domestic garbage integrated sorting machine also includes a housing, the feeding device, the primary winnowing device, the vibrating screen and the secondary winnowing device are all installed in the housing, and manholes are arranged on the housing; The domestic waste integrated sorting machine also includes a PLC controller, and the feeding device, primary winnowing device, vibrating screen and secondary winnowing device are all connected to the PLC controller.

与现有技术相比,本发明的优点在于:Compared with the prior art, the present invention has the advantages of:

(1)本发明的生活垃圾一体化分选机将预先经过粗破、破袋机和滚筒筛处理后的生活垃圾依次经过投料装置、一次风选装置、振动筛和二次风选装置对生活垃圾进行分选处理,将生活垃圾中的比重1.5以上的砖块、玻璃瓶、电池、铁块通过一次风选装置分选出来,再将垃圾中的泥沙通过振动筛筛除,然后通过二次风选装置将垃圾中比重约为0.8-1.5的大块瓜果进行分离。相比于现有的分级破碎、手工分选的生活垃圾分选方式,本发明的生活垃圾一体化分选机分选效果更好,分选效率更高,可有效降低人工劳动强度。(1) The domestic waste integrated sorting machine of the present invention passes through the domestic waste that has been pre-treated by rough breaking, bag breaking machine and drum screen in sequence through the feeding device, primary winnowing device, vibrating screen and secondary winnowing device. Garbage is sorted, and the bricks, glass bottles, batteries, and iron blocks with a specific gravity above 1.5 in the domestic garbage are sorted out through a wind separation device, and then the silt in the garbage is screened out by a vibrating screen, and then passed through a secondary air separation device. The secondary air separation device separates the large pieces of melons and fruits with a specific gravity of about 0.8-1.5 in the garbage. Compared with the existing domestic waste sorting methods of graded crushing and manual sorting, the integrated domestic waste sorting machine of the present invention has better sorting effect and higher sorting efficiency, and can effectively reduce labor intensity.

(2)在进料斗的下方设置拨料滚筒,将投入的垃圾中的结块打碎,对垃圾进行分散,便于后续的垃圾分离分选作业,提高了垃圾分选效果。(2) Set up a dial roller under the feeding hopper to break up the agglomerates in the input garbage and disperse the garbage, which facilitates the subsequent garbage separation and sorting operations and improves the garbage sorting effect.

(3)将一次风选风口和二次风选风口的形状设置为圆弧形,既可扩大垃圾与风的作用范围,进一步提高了风选效果,又可避免垃圾掉进风管造成风管堵塞;将一次风选风管与一次风选垃圾通道垂直连接,二次风选风管与二次风选垃圾通道垂直连接,更进一步地提高了风选效果。(3) The shape of the primary air selection tuyere and the secondary air selection tuyere is set in a circular arc shape, which can not only expand the range of action of garbage and wind, further improve the wind selection effect, but also prevent garbage from falling into the air duct and cause air duct damage. Blocking; the primary winnowing air duct is vertically connected to the primary winnowing garbage passage, and the secondary winnowing duct is vertically connected to the secondary winnowing garbage passage, which further improves the winnowing effect.

(4)在泥沙收集斗上设置高压水冲洗头,通过该高压水冲洗头可将泥沙收集斗内的污泥冲下,防止污泥在泥沙收集斗内结垢;将振动筛采用倾斜设置,其与水平面之间的夹角为10°-12°,既可获得较好的筛分效果,又可保证合适的筛分速度,进一步提高了泥沙筛分效果。(4) Set a high-pressure water flushing head on the sediment collection bucket, through which the sludge in the sediment collection bucket can be washed down to prevent the sludge from scaling in the sediment collection bucket; the vibrating screen is used Inclined setting, the angle between it and the horizontal plane is 10°-12°, which can not only obtain a better screening effect, but also ensure a suitable screening speed, and further improve the sediment screening effect.

(5)该生活垃圾一体化分选机上设置有PLC控制器,通过PLC控制器控制投料、一次风选、振动筛选和二次风选过程,实现了该生活垃圾一体化分选机的自动化作业,进一步降低了人工劳动强度。(5) The integrated domestic waste sorting machine is equipped with a PLC controller, which controls the feeding, primary air selection, vibration screening and secondary air selection process through the PLC controller, realizing the automatic operation of the integrated domestic waste sorting machine , further reducing the labor intensity.

附图说明Description of drawings

为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are For some embodiments of the present invention, those skilled in the art can also obtain other drawings based on these drawings without creative work.

图1为本发明生活垃圾一体化分选机的结构示意图。Fig. 1 is a schematic structural view of the domestic waste integrated sorting machine of the present invention.

图例说明:illustration:

1、投料装置;2、一次风选装置;3、振动筛;4、二次风选装置;5、鼓风机;6、一次风选风口;7、第一风门;8、垃圾挡板;9、二次风选风口;10、第二风门;11、出料输送机;12、泥沙收集斗;13、高压水冲洗头;14、壳体;15、PLC控制器;101、进料斗;102、拨料滚筒;201、一次风选垃圾通道;202、一次风选风管;203、重型物体落料斗;204、一次风选出料口;401、二次风选垃圾通道;402、二次风选风管;403、轻型物体落料斗;404、二次风选出料口。1. Feeding device; 2. Primary wind separation device; 3. Vibrating screen; 4. Secondary wind separation device; 5. Blower; 10. Second air door; 11. Discharge conveyor; 12. Sediment collection bucket; 13. High-pressure water flushing head; 14. Housing; 15. PLC controller; 101. Feeding hopper; 102. Material pulling drum; 201. Primary air selection garbage channel; 202. Primary air selection air duct; 203. Heavy object drop hopper; 204. Primary air selection discharge port; 401. Secondary air selection garbage channel; 402. Two Secondary winnowing air duct; 403, light object drop hopper; 404, secondary winnowing outlet.

具体实施方式detailed description

为了便于理解本发明,下文将结合说明书附图和较佳的实施例对本发明作更全面、细致地描述,但本发明的保护范围并不限于以下具体的实施例。In order to facilitate the understanding of the present invention, the present invention will be described more fully and in detail below in conjunction with the accompanying drawings and preferred embodiments, but the protection scope of the present invention is not limited to the following specific embodiments.

需要特别说明的是,当某一元件被描述为“连接于或连通于”另一元件上时,它可以是直接连接或连通在另一元件上,也可以是通过其他中间连接件间接连接或连通在另一元件上。It should be noted that when an element is described as "connected or communicated with" another element, it may be directly connected or communicated with another element, or may be indirectly connected or connected through other intermediate connectors. connected to another component.

除非另有定义,下文中所使用的所有专业术语与本领域技术人员通常理解的含义相同。本文中所使用的专业术语只是为了描述具体实施例的目的,并不是旨在限制本发明的保护范围。Unless otherwise defined, all technical terms used hereinafter have the same meanings as commonly understood by those skilled in the art. The terminology used herein is only for the purpose of describing specific embodiments, and is not intended to limit the protection scope of the present invention.

实施例Example

本发明生活垃圾一体化分选机的一种实施例,该生活垃圾一体化分选机主要用于对市政环卫收集的生活垃圾经粗破、破袋及滚筒筛选处理后进行进一步分选处理,将其中比重大于1.5的砖块、玻璃瓶、电池、铁等固体物质,比重大于0.8小于1.5的大块瓜果等以及泥沙高效地从垃圾中分选出来。该生活垃圾一体化分选机的结构如图1所示,由图1可见,其主要包括投料装置1、一次风选装置2、振动筛3和二次风选装置4。其中,投料装置1设置于一次风选装置2的上方,振动筛3倾斜设置,振动筛3的进料端高于出料端,振动筛3的进料端与一次风选装置2的下部相连,振动筛3的出料端连接二次风选装置4。本发明的生活垃圾一体化分选机将预先经过粗破、破袋机和滚筒筛处理后的生活垃圾依次经过投料装置1、一次风选装置2、振动筛3和二次风选装置4对生活垃圾进行分选处理,将生活垃圾中的比重1.5以上的砖块、玻璃瓶、电池、铁块通过一次风选装置2分选出来,再将垃圾中的泥沙通过振动筛3筛除,然后通过二次风选装置4将垃圾中比重约为0.8-1.5的大块瓜果进行分离。相比于现有的分级破碎、手工分选的生活垃圾分选方式,本发明的生活垃圾一体化分选机分选效果更好,分选效率更高,可有效降低人工劳动强度。An embodiment of the domestic garbage integrated sorting machine of the present invention, the domestic garbage integrated sorting machine is mainly used for further sorting the domestic garbage collected by municipal sanitation after rough breaking, bag breaking and drum screening. Solid substances such as bricks, glass bottles, batteries, and iron with a specific gravity greater than 1.5, large melons and fruits with a specific gravity greater than 0.8 and less than 1.5, and sediment are efficiently separated from the garbage. The structure of the domestic waste integrated sorting machine is shown in Figure 1, which mainly includes a feeding device 1, a primary winnowing device 2, a vibrating screen 3 and a secondary winnowing device 4. Wherein, feeding device 1 is arranged on the top of primary winnowing device 2, and vibrating screen 3 is arranged obliquely, and the feeding end of vibrating screen 3 is higher than the discharging end, and the feeding end of vibrating screen 3 is connected with the bottom of primary winnowing device 2 , the discharge end of the vibrating screen 3 is connected to the secondary winnowing device 4 . The domestic waste integrated sorting machine of the present invention passes the domestic waste that has been pre-treated by rough breaking, bag breaking machine and drum screen in sequence through the feeding device 1, the primary winnowing device 2, the vibrating screen 3 and the secondary winnowing device 4 pairs Domestic waste is sorted, and the bricks, glass bottles, batteries, and iron blocks with a specific gravity above 1.5 in the domestic waste are sorted out through a wind separation device 2, and then the silt in the waste is screened out by a vibrating screen 3. Then, the bulk melons and fruits with a specific gravity of 0.8-1.5 in the garbage are separated by the secondary winnowing device 4 . Compared with the existing domestic waste sorting methods of graded crushing and manual sorting, the integrated domestic waste sorting machine of the present invention has better sorting effect and higher sorting efficiency, and can effectively reduce labor intensity.

本实施例中,一次风选装置2包括与投料装置1的下部连接的一次风选垃圾通道201。该一次风选垃圾通道201的侧壁上设置有一次风选风管202,用于向一次风选垃圾通道201送风。该一次风选风管202连接鼓风机5,作为风源向一次风选风管202内鼓风。一次风选垃圾通道201的下部设置重型物体落料斗203和一次风选出料口204。该重型物体落料斗203设置于一次风选垃圾通道201的靠近一次风选风管202的一侧,一次风选出料口204设置于一次风选垃圾通道201的与一次风选风管202相对的一侧。砖块、玻璃瓶、电池、铁块等较重的物料由于其密度较大,被风吹动的距离较小,直接沿一次风选垃圾通道201落入重型物体落料斗203内;垃圾中的其他组分由于密度相对较小,被风吹动的距离较大,沿一次风选出料口204落入振动筛3的进料端,实现较重物料与较轻垃圾的高效分离。In this embodiment, the primary winnowing device 2 includes a primary winnowing garbage channel 201 connected to the lower part of the feeding device 1 . The side wall of the primary winnowing garbage channel 201 is provided with a primary winnowing air duct 202 for supplying air to the primary winnowing garbage channel 201 . The primary winnowing air duct 202 is connected with the blower 5, and blows air into the primary winnowing duct 202 as an air source. The bottom of the primary winnowing garbage channel 201 is provided with a heavy object drop hopper 203 and a primary winnowing outlet 204 . The heavy object drop hopper 203 is arranged on the side of the primary wind selection garbage channel 201 close to the primary wind selection air duct 202, and the primary wind selection discharge port 204 is arranged on the primary wind selection garbage channel 201 opposite to the primary wind selection air duct 202 side. Heavy materials such as bricks, glass bottles, batteries, iron blocks, etc. are relatively dense due to their high density, and the distance blown by the wind is relatively small. Due to the relatively low density, the other components are blown by the wind for a relatively large distance, and fall into the feed end of the vibrating screen 3 along the discharge port 204 of the primary air selection, so as to realize the efficient separation of heavier materials and lighter garbage.

本实施例中,一次风选风管202与一次风选垃圾通道201相通处为一次风选风口6,该一次风选风口6为圆弧形,将一次风选风口6设置为圆弧形,既可扩大垃圾与风的作用范围,进一步提高风选效果,又可避免垃圾掉进风管造成风管堵塞(由于风口采用圆弧形,风管的管径可相对较小,垃圾不易掉入)。一次风选风管202与一次风选垃圾通道201垂直连接。通过风垂直对松散的垃圾进行连续吹扫,进一步提高了垃圾风选效果。一次风选风管202上安装有用于调整一次风选风管202内风压的第一风门7,通过该第一风门7可根据生活垃圾的组分不同,方便地调节一次风选风管202内的风压。在此,优选将风压调节至1500Pa左右,可将砖块、玻璃瓶、电池、铁块等较重的物料有效分离,而不至于将大块瓜果从重型物体落料斗203落出,实现了生活垃圾中各物料的分类收集。In this embodiment, the primary winnowing air duct 202 communicates with the primary winnowing garbage channel 201 is the primary winnowing tuyere 6, and the primary winnowing tuyere 6 is arc-shaped, and the primary winnowing tuyere 6 is set to be arc-shaped. It can not only expand the scope of action of garbage and wind, further improve the winnowing effect, but also prevent the garbage from falling into the air duct to cause blockage of the air duct (because the air outlet adopts a circular arc shape, the diameter of the air duct can be relatively small, and the garbage is not easy to fall into ). The primary winnowing air duct 202 is vertically connected with the primary winnowing waste channel 201 . The loose garbage is continuously blown vertically by the wind, which further improves the effect of winnowing the garbage. The primary air selection air duct 202 is equipped with a first damper 7 for adjusting the air pressure in the primary air selection air duct 202, through which the primary air selection air duct 202 can be adjusted conveniently according to the different components of domestic waste. wind pressure inside. Here, it is preferable to adjust the wind pressure to about 1500Pa, which can effectively separate heavy materials such as bricks, glass bottles, batteries, iron blocks, etc., so as not to drop large pieces of melons and fruits from the heavy object drop hopper 203, realizing Classified collection of various materials in domestic waste.

本实施例中,投料装置1包括进料斗101以及安装于进料斗101下方的拨料滚筒102。生活垃圾堆放时间久后可能会结块,在进料斗101的下方设置拨料滚筒102可将投入的生活垃圾进行有效的初步分散,打碎其中的结块,便于后续的分离分选作业,有利于提高风选效果(结块的垃圾在风选时很难吹散)。该拨料滚筒102安装于一次风选垃圾通道201的上方,且位于一次风选垃圾通道201连接有一次风选风管202的一侧。如此,生活垃圾经拨料滚筒102分散后可稍微偏向于远离一次风选风管202的一侧下落,避免垃圾中的大块物料落入一次风选风管202中造成管道堵塞。在拨料滚筒102的上方和下方均安装有垃圾挡板8,避免垃圾落入拨料滚筒102的内侧。In this embodiment, the feeding device 1 includes a feeding hopper 101 and a feeding roller 102 installed below the feeding hopper 101 . Household waste may agglomerate after a long period of time, and setting a dial roller 102 under the feed hopper 101 can effectively and initially disperse the input domestic waste, break up the agglomerates, and facilitate subsequent separation and sorting operations. It is beneficial to improve the winnowing effect (it is difficult to blow away the agglomerated garbage during winnowing). The material pulling drum 102 is installed above the primary air separation garbage channel 201 and is located on the side of the primary air selection garbage channel 201 connected with the primary air selection air duct 202 . In this way, after being dispersed by the material pulling drum 102, the domestic garbage can fall slightly towards the side away from the primary air selection air duct 202, so as to prevent large pieces of material in the garbage from falling into the primary air selection air duct 202 and cause pipeline blockage. Garbage baffles 8 are installed above and below the material pulling drum 102 to prevent rubbish from falling into the inboard of the material pulling drum 102 .

本实施例中,二次风选装置4包括与振动筛3的下端连接的二次风选垃圾通道401,该二次风选垃圾通道401的侧壁上设置有二次风选风管402,该二次风选风管402与一次风选风管202相连,并且共同连接至鼓风机5,该鼓风机5的风压优选控制在2000Pa左右,并采用变频控制,根据工控需要可适当调节风量和风压。在二次风选垃圾通道401的下部设置有轻型物体落料斗403和二次风选出料口404。该轻型物体落料斗403设置在二次风选垃圾通道401的靠近二次风选风管402的一侧,二次风选出料口404设置于二次风选垃圾通道401的与二次风选风管402相对的一侧,二次风选出料口404的下方安装有出料输送机11。通过振动筛3除去其中泥沙后的垃圾经二次风选垃圾通道401进行二次风选。其中的大块瓜果等比重约为0.8-1.5的物料经二次风选后落入轻型物体落料斗403内,分离后的瓜果等经破碎后送至污泥池发酵,剩下的生活垃圾则在风的吹动下经二次风选出料口404排出,落在出料输送机11的输送带上,经出料输送机11输送至下一工序。在二次风选过程中,二次风选风管402内的风压优选控制在1000Pa左右(大块瓜果的比重比砖块、铁块等小,风压可适当调小)。二次风选出料口404的中心轴线与出料输送机11的输送方向之间的夹角优选为100°≤α≤140°。采用上述角度设置可使从二次风选出料口404排出的垃圾的排出速度适中。In this embodiment, the secondary winnowing device 4 includes a secondary winnowing garbage channel 401 connected to the lower end of the vibrating screen 3, and a secondary winnowing air duct 402 is arranged on the side wall of the secondary winnowing garbage channel 401, The secondary winnowing duct 402 is connected with the primary winnowing duct 202, and is jointly connected to the air blower 5. The air pressure of the air blower 5 is preferably controlled at about 2000 Pa, and frequency conversion control is adopted, and the air volume and air pressure can be appropriately adjusted according to the needs of industrial control . A light object drop hopper 403 and a discharge port 404 for secondary air separation are provided at the bottom of the secondary air separation garbage channel 401 . The light object dropping hopper 403 is arranged on the side of the secondary air separation duct 402 of the secondary air selection garbage channel 401, and the secondary air selection discharge port 404 is arranged on the side of the secondary air selection garbage channel 401 connected with the secondary wind air duct 402. On the opposite side of the air selection pipe 402 , a discharge conveyor 11 is installed below the outlet 404 of the secondary wind selection. The garbage after the silt is removed by the vibrating sieve 3 is subjected to secondary winnowing through the secondary winnowing garbage channel 401 . Among them, the bulk melons and fruits and other materials with a specific gravity of about 0.8-1.5 fall into the light object dropping hopper 403 after secondary winnowing, and the separated melons and fruits are sent to the sludge tank for fermentation after crushing, and the remaining life The rubbish is discharged through the discharge port 404 of the secondary wind selection under the blowing of the wind, falls on the conveyor belt of the discharge conveyor 11, and is transported to the next process through the discharge conveyor 11. During the secondary winnowing process, the wind pressure in the wind pipe 402 of the second winnowing is preferably controlled at about 1000 Pa (the specific gravity of large pieces of melons and fruits is smaller than that of bricks, iron blocks, etc., and the wind pressure can be adjusted appropriately). The included angle between the central axis of the outlet 404 of secondary winnowing and the conveying direction of the discharge conveyor 11 is preferably 100°≤α≤140°. Adopting the above-mentioned angle setting can make the discharge speed of the garbage discharged from the secondary winnowing outlet 404 moderate.

二次风选风管402与二次风选垃圾通道401相接处为二次风选风口9。该二次风选风口9为圆弧形,可扩大垃圾与风的作用范围,进一步提高了风选效果,并避免垃圾掉进风管造成堵塞;二次风选风管402上安装有用于调整二次风选风管402内风压的第二风门10。二次风选风管402与二次风选垃圾通道401垂直连接。如此,可进一步提高二次风选的效果。The joint of the air duct 402 for the secondary air selection and the garbage channel 401 for the secondary air selection is the air outlet 9 for the secondary air selection. The air outlet 9 for secondary air selection is arc-shaped, which can expand the scope of action of the garbage and wind, further improves the air selection effect, and prevents the garbage from falling into the air duct to cause blockage; The second damper 10 of the air pressure in the air duct 402 of the secondary winnowing. The air duct 402 for the secondary wind selection is vertically connected with the garbage channel 401 for the secondary wind selection. In this way, the effect of secondary winnowing can be further improved.

本实施例中,振动筛3与水平面之间的夹角为10°≤β≤12°,如此设置既可获得较好的筛分效果,又可保证合适的筛分速度。振动筛3的下方安装有沿振动筛3倾斜方向并列设置的多个泥沙收集斗12。通过振动筛3筛分后,垃圾中的泥沙掉落至泥沙收集斗12进行收集,并可集中送至污泥发酵池产生沼气。在泥沙收集斗12上设置高压水冲洗头13,通过该高压水冲洗头13可将泥沙收集斗12内的污泥冲下,防止污泥在泥沙收集斗12内结垢。该高压水冲洗头13优选采用高压雾化喷头,向泥沙收集斗12内喷入高压雾化水进行冲洗。In this embodiment, the included angle between the vibrating screen 3 and the horizontal plane is 10°≤β≤12°, such setting can not only obtain a better screening effect, but also ensure a suitable screening speed. The bottom of the vibrating screen 3 is equipped with a plurality of sediment collection buckets 12 arranged side by side along the inclination direction of the vibrating screen 3 . After being sieved by the vibrating screen 3, the silt in the garbage falls to the silt collection bucket 12 for collection, and can be sent to the sludge fermentation tank to generate biogas. A high-pressure water flushing head 13 is arranged on the silt collection bucket 12 , through which the sludge in the silt collection bucket 12 can be washed down to prevent the sludge from scaling in the silt collection bucket 12 . The high-pressure water flushing head 13 preferably adopts a high-pressure atomizing nozzle, and sprays high-pressure atomized water into the sediment collection bucket 12 for flushing.

本实施例中,生活垃圾一体化分选机还包括壳体14,分选机中的投料装置1、一次风选装置2、振动筛3和二次风选装置4均安装在该壳体14内,如此,分选机采用封闭设计,可减少灰尘,改善工作环境。壳体14上设置有人孔(图中未示出),方便对分选机进行检查和维修。该生活垃圾一体化分选机还包括一个PLC控制器15,投料装置1中的拨料滚筒102、第一风门7、振动筛3、第二风门10、鼓风机5、出料输送机11均与该PLC控制器15连接,通过PLC控制器15实现对拨料滚筒102的转速,第一风门7、第二风门10的开度,振动筛3的振动频率,鼓风机5的功率及出料输送机11的启闭等进行调节,实现投料、一次风选、泥沙振动筛选和二次风选的自动控制,有效提高了工作效率,降低了人工劳动强度。该PLC控制器15的控制逻辑具体如下:当生活垃圾一体化分选机启动时,由PLC控制器15控制依次启动出料输送机11、振动筛3、拨料滚筒102和鼓风机5,并通过控制第一风门7和第二风门10的开度,调节一次风选风管202和二次风选风管402的风压,再投入垃圾进行分选;当生活垃圾一体化分选机启动时停车时,由PLC控制器15控制依次关闭拨料滚筒102、振动筛3和出料输送机11,然后控制关闭鼓风机5。In this embodiment, the domestic waste integrated sorting machine also includes a housing 14, and the feeding device 1, the primary winnowing device 2, the vibrating screen 3 and the secondary winnowing device 4 in the sorting machine are all installed in the housing 14. In this way, the sorting machine adopts a closed design, which can reduce dust and improve the working environment. A manhole (not shown in the figure) is provided on the casing 14 to facilitate inspection and maintenance of the sorting machine. The domestic garbage integrated sorting machine also includes a PLC controller 15, the dial drum 102 in the feeding device 1, the first damper 7, the vibrating screen 3, the second damper 10, the blower 5, and the discharge conveyor 11 are all connected to the This PLC controller 15 is connected, by PLC controller 15 realizes the rotating speed of dialing drum 102, the opening degree of first damper 7, the second damper 10, the vibration frequency of vibrating screen 3, the power of blower 5 and discharge conveyor The opening and closing of 11 are adjusted to realize the automatic control of feeding, primary air selection, sediment vibration screening and secondary air selection, which effectively improves work efficiency and reduces manual labor intensity. The control logic of this PLC controller 15 is specifically as follows: when the domestic garbage integrated sorting machine starts, the discharge conveyor 11, the vibrating screen 3, the material pulling drum 102 and the blower 5 are started sequentially by the control of the PLC controller 15, and pass through Control the opening of the first damper 7 and the second damper 10, adjust the air pressure of the primary air selection air duct 202 and the secondary air selection air duct 402, and then put in garbage for sorting; when the domestic waste integrated sorting machine starts When parking, the PLC controller 15 controls to close the dial drum 102, the vibrating screen 3 and the discharge conveyor 11 in turn, and then controls the blower 5 to be closed.

以上所述仅为本发明的优选实施例而已,并不用于限制本发明,对于本领域的技术人员来说,本发明可以有各种更改和变化。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. a kind of house refuse integration separator, including charging device(1)And vibrosieve(3)It is characterised in that:Described life Rubbish integration separator also includes a pneumatic separation device(2)With secondary pneumatic separation device(4), described charging device(1)It is arranged at Pneumatic separation device(2)Top, described vibrosieve(3)It is obliquely installed, vibrosieve(3)Feed end be higher than discharge end, vibration Sieve(3)Feed end and a described pneumatic separation device(2)Bottom be connected, vibrosieve(3)Discharge end connect described secondary wind Screening device(4).
2. house refuse according to claim 1 integration separator it is characterised in that:A described pneumatic separation device(2) Including with described charging device(1)Bottom connect a selecting crude drugs with winnower garbage shaft(201), a described selecting crude drugs with winnower garbage shaft (201)Side wall on be provided with a selecting crude drugs with winnower airduct(202), a described selecting crude drugs with winnower airduct(202)Connect an aerator(5), institute State a selecting crude drugs with winnower garbage shaft(201)Bottom be provided with heavy objects material-falling hopper(203)Select material mouth with First air(204), Described heavy objects material-falling hopper(203)It is arranged at a selecting crude drugs with winnower garbage shaft(201)Near a selecting crude drugs with winnower airduct(202)One Side, described First air selects material mouth(204)It is arranged at a selecting crude drugs with winnower garbage shaft(201)With a selecting crude drugs with winnower airduct(202)Phase To side.
3. house refuse according to claim 2 integration separator it is characterised in that:A described selecting crude drugs with winnower airduct (202)With a described selecting crude drugs with winnower garbage shaft(201)Communicating place is a selecting crude drugs with winnower air port(6), a described selecting crude drugs with winnower air port(6)For Circular arc, a selecting crude drugs with winnower airduct(202)On be provided with for adjust a selecting crude drugs with winnower airduct(202)First air door of interior blast(7), A described selecting crude drugs with winnower airduct(202)With a described selecting crude drugs with winnower garbage shaft(201)Vertical connection.
4. house refuse according to claim 3 integration separator it is characterised in that:Described charging device(1)Including Feed hopper(101)And it is installed on described feed hopper(101)The material toggling cylinder of lower section(102), described material toggling cylinder(102)Install In a described selecting crude drugs with winnower garbage shaft(201)Top, and be located at a selecting crude drugs with winnower garbage shaft(201)It is connected with a selecting crude drugs with winnower wind Pipe(202)Side.
5. house refuse according to claim 4 integration separator it is characterised in that:Described material toggling cylinder(102)'s Above and below be mounted on garbage baffles(8).
6. house refuse according to claim 1 integration separator it is characterised in that:Described secondary pneumatic separation device(4) Including with described vibrosieve(3)Lower end connect secondary selecting crude drugs with winnower garbage shaft(401), described secondary selecting crude drugs with winnower garbage shaft (401)Side wall on be provided with secondary selecting crude drugs with winnower airduct(402), described secondary selecting crude drugs with winnower airduct(402)Connect aerator(5), described Secondary selecting crude drugs with winnower garbage shaft(401)Bottom be provided with light-duty object material-falling hopper(403)Select material mouth with secondary wind(404), institute State light-duty object material-falling hopper(403)It is arranged at secondary selecting crude drugs with winnower garbage shaft(401)Close secondary selecting crude drugs with winnower airduct(402)One Side, described secondary wind selects material mouth(404)It is arranged at secondary selecting crude drugs with winnower garbage shaft(401)With secondary selecting crude drugs with winnower airduct(402)Phase To side.
7. house refuse according to claim 6 integration separator it is characterised in that:Described secondary selecting crude drugs with winnower airduct (402)With described secondary selecting crude drugs with winnower garbage shaft(401)Joint is secondary selecting crude drugs with winnower air port(9), described secondary selecting crude drugs with winnower air port(9)For Circular arc, secondary selecting crude drugs with winnower airduct(402)On be provided with for adjusting secondary selecting crude drugs with winnower airduct(402)Second air door of interior blast (10), described secondary selecting crude drugs with winnower airduct(402)With described secondary selecting crude drugs with winnower garbage shaft(401)Vertical connection.
8. house refuse according to claim 6 integration separator it is characterised in that:Described secondary wind selects material mouth (404)Lower section outfeed belt conveyor is installed(11), described secondary wind selects material mouth(404)Central axis defeated with described discharging Send machine(11)Conveying direction between angle be 100 °≤α≤140 °.
9. house refuse according to claim 1 integration separator it is characterised in that:Described vibrosieve(3)With level Angle between face is 10 °≤β≤12 °, described vibrosieve(3)Lower section be provided with along vibrosieve(3)Incline direction sets side by side The multiple silt collection buckets put(12), described silt collection bucket(12)On be provided with high pressure water flushing hair washing(13).
10. according to any one of claim 1-9 house refuse integration separator it is characterised in that:Described life Rubbish integration separator also includes housing(14), described charging device(1), a pneumatic separation device(2), vibrosieve(3)With two Secondary pneumatic separation device(4)It is installed in described housing(14)Interior, housing(14)On be provided with manhole;Described house refuse integration point Machine is selected also to include a PLC(15), described charging device(1), a pneumatic separation device(2), vibrosieve(3)With secondary selecting crude drugs with winnower Device(4)All with described PLC(15)Connect.
CN201610937318.1A 2016-10-25 2016-10-25 Integrative sorting machine for household garbage Pending CN106391471A (en)

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CN107639098A (en) * 2017-09-13 2018-01-30 王永妍 A kind of sorting consumer waste recycles integrated apparatus
CN108325817A (en) * 2017-12-26 2018-07-27 共同科技开发有限公司 A kind of pneumatic cleaning formula feed screening plant
CN108772194A (en) * 2018-06-04 2018-11-09 苏州格目软件技术有限公司 A kind of automatic Building building refuse classification retracting device
CN108816755A (en) * 2018-08-03 2018-11-16 北京宜城环保科技有限公司 It is a kind of for handling the negative pressure aidr bells blast system and negative pressure wind selection method of rubbish
CN109226200A (en) * 2018-10-17 2019-01-18 王智先 House refuse compound efficient sorting system
CN109482488A (en) * 2018-10-29 2019-03-19 河南威猛振动设备股份有限公司 A kind of sorting consumer waste integrated equipment
CN109834038A (en) * 2019-04-09 2019-06-04 安徽理工大学 A kind of coal mine sorting machine
CN109915834A (en) * 2019-03-15 2019-06-21 戴宇 House refuse cleaner
CN114313966A (en) * 2021-12-27 2022-04-12 河北省冀信环保科技有限公司 Garbage classification sorting system
CN114405970A (en) * 2022-01-21 2022-04-29 湖南城市学院设计研究院有限公司 New rural house refuse pretreatment collection station
CN116514588A (en) * 2023-04-28 2023-08-01 山东碧蓝生物科技有限公司 Device and method for producing organic fertilizer by biological fermentation of cultivation waste

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107639098A (en) * 2017-09-13 2018-01-30 王永妍 A kind of sorting consumer waste recycles integrated apparatus
CN108325817A (en) * 2017-12-26 2018-07-27 共同科技开发有限公司 A kind of pneumatic cleaning formula feed screening plant
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CN114313966A (en) * 2021-12-27 2022-04-12 河北省冀信环保科技有限公司 Garbage classification sorting system
CN114313966B (en) * 2021-12-27 2023-08-01 河北省冀信环保科技有限公司 Garbage sorting system
CN114405970A (en) * 2022-01-21 2022-04-29 湖南城市学院设计研究院有限公司 New rural house refuse pretreatment collection station
CN116514588A (en) * 2023-04-28 2023-08-01 山东碧蓝生物科技有限公司 Device and method for producing organic fertilizer by biological fermentation of cultivation waste

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Application publication date: 20170215