CN206376492U - Building refuse collection device - Google Patents

Building refuse collection device Download PDF

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Publication number
CN206376492U
CN206376492U CN201720008757.4U CN201720008757U CN206376492U CN 206376492 U CN206376492 U CN 206376492U CN 201720008757 U CN201720008757 U CN 201720008757U CN 206376492 U CN206376492 U CN 206376492U
Authority
CN
China
Prior art keywords
rubbish
hoistway
mouthful
building
collection device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201720008757.4U
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Chinese (zh)
Inventor
马晓光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Star Engineering Consulting Co Ltd
Original Assignee
Shenzhen Star Engineering Consulting Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Star Engineering Consulting Co Ltd filed Critical Shenzhen Star Engineering Consulting Co Ltd
Priority to CN201720008757.4U priority Critical patent/CN206376492U/en
Application granted granted Critical
Publication of CN206376492U publication Critical patent/CN206376492U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of building refuse collection device, its drip irrigation device is, rubbish hoistway including the outer wall located at building wall, the rubbish hoistway is provided with rubbish pour spout, gas overflowing mouthful and garbage collection tank, each rubbish pour spout corresponds the corresponding rubbish hoistway of each floor, and connected with building wall, the gas overflowing mouthful is located on the outer wall of rubbish hoistway, the garbage collection tank is located at the bottom of rubbish hoistway, the gas overflowing mouthful is connected with breather pipe, the one end of the breather pipe away from gas overflowing mouthful connects air purifier, the air outlet of the air purifier is located at the top of rubbish hoistway.

Description

Building refuse collection device
Technical field
The utility model is related to a kind of refuse collector field, more particularly to a kind of building refuse collection device.
Background technology
With the development of society, urbanization speed is more and more faster, skyscraper is emerged in multitude, for convenience the life of people It is living, the rubbish hoistway from high-rise straightway to ground floor is provided with the building of part, window is toppled over provided with rubbish per floor room, to live It is convenient that family is provided, still, because house refuse putrid fermentation can produce foul smell, and when unlatching rubbish topples over window, foul smell can lead to Cross rubbish and topple over window spilling, and window is toppled over due to rubbish and be provided in bulletin corridor, foul smell is overflowed into building, it is difficult to disperse, The air cleaner in building can be influenceed.
At present, in the market such as patent publication No. is CN202787898U Chinese utility model patent, and it includes each rubbish Correspondence has stomata per storey setting on the exterior wall of rubbish hoistway, and the wall face above every stomata is provided with rain cover, correspondence stomata The wall face at edge is provided with weather shield, and each rubbish hoistway is garbage warehouse close to bottom surface section, and stainless steel is provided with every garbage warehouse Space above web plate, stainless steel web plate is rubbish concentration chamber, and the exterior wall correspondence rubbish concentration chamber of hoistway is provided with door, and rubbish is concentrated The space that interior is placed with below refuse collector, stainless steel web plate is sewage collecting tank.
Although this building refuse collection facility is conducive to separate waste collection to handle and help to prevent foul smell from overflowing into To building passageway, still, its way is to be provided with stomata on the exterior wall by rubbish hoistway correspondence per floor, and foul smell is not appointed Where reason is just in the outer air spilt over outside building, and germ and foul smell in rubbish hoistway can be brought into the change of wind direction Corridor enters in the room of resident with the window around opened, the air ambient in influence building.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of building refuse collection device, Reduce influence of the foul smell in rubbish hoistway to air ambient in building.
Above-mentioned technical purpose of the present utility model technical scheme is that:A kind of building refuse is collected Device, includes the rubbish hoistway of the outer wall located at building wall, the rubbish hoistway provided with rubbish pour spout, gas overflowing mouthful with And garbage collection tank, each rubbish pour spout corresponds the corresponding rubbish hoistway of each floor and simultaneously connected with building wall, institute State gas overflowing mouthful to be located on the outer wall of rubbish hoistway, the garbage collection tank is located at the bottom of rubbish hoistway, the gas overflows Outlet is connected with breather pipe, and the one end of the breather pipe away from gas overflowing mouthful connects air purifier, the air purifier Air outlet be located at rubbish hoistway top.
By above-mentioned technological means, being spilled over to refuse odor needs the purification by air purifier, rubbish before outdoor The pernicious gas and stink contained in foul smell can be filtered by air purifier, while the refuse odor filtered through air purifier It can be emitted into by the air outlet set on rubbish hoistway top in air, the refuse odor can be in flowing of the roof with air It is scattered to be further diluted in atmosphere, also will not shadow even if the refuse odor is brought into building with the flowing of air Ring to air ambient in building.
It is preferred that, the bottom of the rubbish hoistway is provided with the screen pack tilted down, the screen pack and rubbish hoistway Inwall both sides are in contact and form upper-end contact portion and lower end contact site, the upper-end contact portion higher than lower end contact site, simultaneously It is located at the same side of rubbish hoistway inwall with rubbish pour spout, the top of the lower end contact site is provided with rubbish delivery outlet, described The lower end of rubbish delivery outlet is connected with lower end contact site, and the garbage collection tank includes detachable liquid collection trough and object Collecting tank, the bottom of the rubbish hoistway is connected with liquid collection trough, and the rubbish delivery outlet is connected with objects collecting groove.
By above-mentioned technical proposal, due to containing in rubbish after liquid, easily growth germ and rotten rear generation are a large amount of Foul smell, after screen pack carries out thing liquid separation to the rubbish in rubbish hoistway, the liquid in rubbish flows into liquid collection trough, rubbish Rubbish is flowed in objects collecting groove along screen pack;Meanwhile, detachable liquid collection trough and objects collecting groove can each reach It can be changed at any time when being reached the standard grade to carrying.
It is preferred that, the garbage collection tank also includes rubbish protective cover, and the objects collecting groove upper cap, which is closed, to be had for making thing Body collecting tank (the rubbish protective cover that interior gas is isolated with ambient atmos.
By above-mentioned technological means, the refuse odor in garbage collection tank is set to be difficult to distribute at garbage collection tank, Reduce refuse odor excessive and have influence on resident living experience.
It is preferred that, provided with some buffer subsystems for being used to slow down rubbish falling speed in the rubbish hoistway.
By above-mentioned technological means, make rubbish from higher floor fall when, it is to avoid rubbish directly falls from rubbish well headroom Bottom is dropped down onto, polycrystalline substance is impacted, the service life of polycrystalline substance is influenceed, meanwhile, the general outside of rubbish is surrounded by plastics Refuse bag, if rubbish is directly fallen from high level, larger impact can cause refuse bag tattered, and the rubbish in plastic garbage bag dissipates Fall, the cleaning to cleanup crew's later stage brings inconvenience.
It is preferred that, one end of the buffer subsystem is articulated with the inwall of rubbish hoistway, the buffer subsystem and plane-parallel, The position that the inwall of the buffer subsystem and rubbish hoistway is hinged is provided with torsionspring.
By above-mentioned technological means, rubbish is set to be hindered during dropping by buffer subsystem, the falling speed of rubbish Slow down, buffer subsystem stress is rotated down along hinged place for the center of circle, gap left between buffering network edge and the inwall of rubbish hoistway, Rubbish is scrolled down through because of the effect of gravity along the surface of buffer subsystem, is fallen by gap to next buffer subsystem, until rubbish hoistway On the screen pack of bottom, meanwhile, the buffer subsystem rotated down resets in the presence of torsionspring, continues and plane-parallel.
It is preferred that, the top of the gas overflowing mouthful is provided with the fin tilted down.
By above-mentioned technological means, when the rubbish is fallen, the debris in rubbish does not affect gas overflowing mouthful, makes gas Overfall is blocked, and the rubbish of whereabouts being kept out and being oriented to by the fin tilted down, and then away from gas overflowing The direction of mouth falls.
It is preferred that, it is provided with that the foul smell introducing air in rubbish hoistway is net between the gas overflowing mouthful and air purifier Change the air pump in device.
By above-mentioned technological means, the foul smell in rubbish hoistway is actively flowed to air purifier and be cleaned, accelerate Air velocity, it is to avoid foul smell and germ overstock in rubbish hoistway.
It is preferred that, frame is inserted in the lower section of the rubbish pour spout provided with activated carbon, and the activated carbon is inserted frame and inclined with rubbish Being provided between mouth is used to prevent rubbish from falling into activated carbon and inserting frame (dismountable catch, the activated carbon is inserted built in frame Active carbon adsorbent.
By above-mentioned technological means, because activated carbon internal pore structure is flourishing, surface area is big, high adsorption capacity, possess Excellent absorption property, and absorption odor function, with good deodorizing effect, therefore can be to harmful in rubbish hoistway Gas and foul smell are adsorbed, and just foul smell is cleared up in rubbish hoistway, reduce resident when rubbish is delivered from rubbish The peculiar smell of pour spout, meanwhile, the catch at rubbish pour spout can prevent the rubbish of top from falling into acticarbon and work Property charcoal insert on frame, it is to avoid rubbish falls into activated carbon and inserts in frame and influence the replacing in acticarbon later stage.
In summary, the utility model having the beneficial effect that in contrast to prior art:Make the foul smell in rubbish hoistway in row Adsorbed and filtered before going out, and in roof discharge, prevent the air cleaner degree in unfiltered gases affect building, disturbed House to resident is experienced, meanwhile, the time of the rubbish corruption in extension rubbish hoistway, make garbage-cleaning personnel in progress When rubbish is shifted, the degree of spoilage of rubbish is relatively low, and foul smell and germ generation are less, and then it is strong to reduce the work of junk-free personnel Degree.
Brief description of the drawings
Fig. 1 is the sectional view of the present embodiment;
The stereogram that Fig. 2 coordinates for the buffer subsystem of the present embodiment with the inwall of rubbish hoistway.
Reference:1st, rubbish hoistway;2nd, rubbish pour spout;3rd, gas overflowing mouthful;4th, garbage collection tank;5th, breather pipe; 6th, air purifier;7th, screen pack;8th, upper-end contact portion;9th, lower end contact site;10th, rubbish delivery outlet;11st, liquid collection trough; 12nd, objects collecting groove;13rd, rubbish protective cover;14th, buffer subsystem;15th, torsionspring;16th, fin;17th, air pump;18th, activated carbon is put Enter frame;19th, catch;20th, air outlet;21st, contiguous block;22nd, connecting rod;23rd, hinged seat.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in figure 1, the present embodiment includes rubbish hoistway 1, the upper end of rubbish hoistway 1 is arranged at the top of building, rubbish The bottom of rubbish hoistway 1 is arranged at the bottom of building, and the side of rubbish hoistway 1 abuts the outer wall of building wall, rubbish hoistway 1 and building The rubbish that the side of room exterior wall contact is provided with rubbish pour spout 2, the connection building wall of rubbish pour spout 2, building can lead to Rubbish pour spout 2 is crossed to enter in rubbish hoistway 1.
As shown in figure 1, the side relative with rubbish pour spout 2 is provided with rubbish pour spout 2 in same in rubbish hoistway 1 It is connected with the gas overflowing mouthful 3 of floor, the outer wall correspondence gas overflowing mouthful 3 of rubbish hoistway 1 between breather pipe 5, each floor Breather pipe 5 is in parallel, and the other end connection air pump 17 of the connection of breather pipe 5 gas overflowing mouthful 3, air pump 17 is connected with air purifier 6, Air purifier 6 and air outlet 20 are respectively positioned on pernicious gas and foul smell in the top of rubbish hoistway 1, rubbish hoistway 1 through gas The extraction of pump 17 flows into air purifier 6, and the filtering through air purifier 6 is discharged from air outlet 20.
As shown in figure 1, the bottom of rubbish hoistway 1 is connected with the garbage collection tank 4 for collecting rubbish, garbage collection tank 4 It is divided into the liquid collection trough 11 and objects collecting groove 12 being detachably connected, notch and the garbage collection tank 4 of liquid collection trough 11 Bottom inlay card in the bottom of rubbish hoistway 1, objects collecting groove 12 is located at the side of rubbish hoistway 1, objects collecting groove 12 and rubbish The contact jaw of rubbish hoistway 1 be provided with interconnected rubbish delivery outlet 10, objects collecting groove 12 be stamped prevent foul smell and other have The rubbish protective cover 13 of evil gas overflowing.
As shown in figure 1, the bottom in rubbish hoistway 1 is also welded with inclined screen pack 7, the upper end of screen pack 7 with The inwall of rubbish hoistway 1 contacts to form upper-end contact portion 8, and the lower end of screen pack 7 contacts to form lower end with the inwall of rubbish hoistway 1 Contact site 9, lower end contact site 9 is connected with the bottom of rubbish delivery outlet 10, the part that inclined screen pack 7 is used in filtering spam Moisture and rubbish is set to flow to objects collecting groove 12 in the presence of self gravitation.
As shown in figure 1, the lower section engaging of rubbish pour spout 2 has inclined catch 19, the lower section connection of catch 19 is active Charcoal inserts frame 18, and activated carbon is inserted frame 18 and is welded on the inwall of rubbish hoistway 1, and one end of catch 19 is sticked in rubbish pour spout 2 bottom, and the other end is sticked in the side that activated carbon inserts the dorsad rubbish pour spout 2 of frame 18, catch 19 is used to stop rubbish Fall into activated carbon to insert in frame 18, activated carbon, which inserts frame 18, to be used to put activated carbon granule.
As shown in figure 1, the upper end of gas overflowing mouthful 3 is welded with fin 16, fin 16 is used for the rubbish for preventing from being fallen by top Rubbish blocks gas overflowing mouthful 3, and fin 16 is diagonally downward.
As shown in figure 1, being rotatably connected to buffer subsystem 14 in rubbish hoistway 1, buffer subsystem 14 is toppled over positioned at two neighboring rubbish Between mouth 2, buffer subsystem 14 is in network structure, and one end of buffer subsystem 14 is articulated with the interior of the rubbish hoistway 1 at the place of gas overflowing mouthful 3 On wall, hinged place is provided with torsionspring 15.
As shown in Fig. 2 the contact jaw of each buffer subsystem 14 and the inwall of rubbish hoistway 1 has two contiguous blocks 21, two contiguous blocks Be rotatably connected to connecting rod 22 between 21, connecting rod 22 also extends through torsionspring 15, torsionspring 15 be located at two contiguous blocks 21 it Between, hinged seat 23 is also welded with the side wall of rubbish hoistway 1, the two ends of connecting rod 22 are rotationally connected with hinged seat 23, reversed The end at the two ends of spring 15 is individually fixed on the inwall of the lower surface of screen pack 7 and the rubbish hoistway 1 of the lower section of hinged seat 23, is delayed It is that the center of circle is rotated to the bottom direction of rubbish hoistway 1 to rush after the stress of net 14 with connecting rod 22, and buffer subsystem 14 do not stress under state, delays Rush net 14 to reset, keep horizontality.
Rubbish in building is put into rubbish hoistway 1 by rubbish pour spout 2, the guiding through catch 19 and then to rubbish Fallen within the bottom dropped out of hoistway 1, rubbish on buffer subsystem 14, the liquid in the rubbish of part, which flows out and passes through buffer subsystem 14, to be flowed to Rotated downwards for the center of circle with connecting rod 22 after the liquid collection trough 11 of the bottom of rubbish hoistway 1, the stress of buffer subsystem 14, under rubbish Drop down onto on another buffer subsystem 14;Meanwhile, surprisingly fall rubbish the keeping out through fin 16 to gas overflowing mouthful 3, rubbish is not easily blocked Gas overflowing mouthful 3, moves in circles, rubbish is fallen on the screen pack 7 of the bottom of rubbish hoistway 1, because screen pack 7 is skewed State, the rubbish fallen on screen pack 7 slides to or rolled to rubbish delivery outlet 10, during the slip or rolling of rubbish, rubbish Interior partially liq is through in the influent collecting tank 11 of screen pack 7, and rubbish is guided through rubbish delivery outlet due to screen pack 7 10 enter in objects collecting groove 12.
When the rubbish in the liquid in liquid collection trough 11 or objects collecting groove 12 is relatively expired, by liquid collection trough 11 or thing Body collecting tank 12 is cemented out, and liquid collection trough 11 or objects collecting groove 12 proceed the collection of liquid or rubbish.
The pernicious gases such as the foul smell produced between rubbish passed sequentially through due to the extraction of air pump 17 gas overflowing mouthfuls 3 and Breather pipe 5, the pernicious gas such as foul smell is transferred in the air purifier 6 on the top of rubbish hoistway 1, after being purified through air purifier 6 Gas is discharged by the air outlet 20 positioned at the top of air purifier 6.
Described above is only exemplary embodiment of the present utility model, not for limitation protection model of the present utility model Enclose, protection domain of the present utility model is determined by appended claim.

Claims (8)

1. a kind of building refuse collection device, includes the rubbish hoistway (1) of the outer wall located at building wall, the rubbish hoistway (1) provided with rubbish pour spout (2), gas overflowing mouthful (3) and garbage collection tank (4), a pair of each rubbish pour spout (2) 1 Answer the corresponding rubbish hoistway (1) of each floor and connected with building wall, the gas overflowing mouthful (3) is located at rubbish hoistway (1) On outer wall, the garbage collection tank (4) is located at the bottom of rubbish hoistway (1), it is characterised in that:The gas overflowing mouthful (3) is even It is connected to breather pipe (5), one end connection air purifier (6) of the breather pipe (5) away from gas overflowing mouthful (3), the air The air outlet (20) of clarifier (6) is located at the top of rubbish hoistway (1).
2. building refuse collection device according to claim 1, it is characterised in that:The bottom of the rubbish hoistway (1) is set There is a screen pack (7) tilted down, the screen pack (7) is in contact with the inwall both sides of rubbish hoistway (1) and forms termination Contact portion (8) and lower end contact site (9), the upper-end contact portion (8) higher than lower end contact site (9) and with rubbish pour spout (2) Positioned at the same side of rubbish hoistway (1) inwall, the top of the lower end contact site (9) is provided with rubbish delivery outlet (10), the rubbish The lower end of rubbish delivery outlet (10) is connected with lower end contact site (9), and the garbage collection tank (4) includes detachable liquid and collected Groove (11) and objects collecting groove (12), the bottom of the rubbish hoistway (1) are connected with liquid collection trough (11), the rubbish output Mouth (10) is connected with objects collecting groove (12).
3. building refuse collection device according to claim 2, it is characterised in that:The garbage collection tank (4) also includes It is covered with rubbish protective cover (13), the objects collecting groove (12) for making the gas in objects collecting groove (12) and extraneous gas The rubbish protective cover (13) of body isolation.
4. building refuse collection device according to claim 3, it is characterised in that:The rubbish hoistway (1) is if interior be provided with Do the buffer subsystem (14) for slowing down rubbish falling speed.
5. building refuse collection device according to claim 4, it is characterised in that:One end of the buffer subsystem (14) is hinged In on the inwall of rubbish hoistway (1), the buffer subsystem (14) and plane-parallel, the buffer subsystem (14) and rubbish hoistway (1) The position that is hinged of inwall be provided with torsionspring (15).
6. building refuse collection device according to claim 5, it is characterised in that:The top of the gas overflowing mouthful (3) Provided with the fin (16) tilted down.
7. building refuse collection device according to claim 6, it is characterised in that:The gas overflowing mouthful (3) and air The air pump (17) for being used for introducing the foul smell in rubbish hoistway (1) in air purifier (6) is provided between clarifier (6).
8. building refuse collection device according to claim 7, it is characterised in that:The lower section of the rubbish pour spout (2) Frame (18) is inserted provided with activated carbon, the activated carbon, which inserts between frame (18) and rubbish pour spout (2) to be provided with, to be used to prevent rubbish Dismountable catch (19) that activated carbon inserts frame (18) is fallen into, the activated carbon inserts frame (18) and is built-in with charcoal absorption Agent.
CN201720008757.4U 2017-01-03 2017-01-03 Building refuse collection device Expired - Fee Related CN206376492U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107640519A (en) * 2017-09-15 2018-01-30 东莞市金尚包装印刷有限公司 A kind of waste material collection device
CN107954103A (en) * 2017-12-14 2018-04-24 浙江腾荣环保科技有限公司 A kind of garbage from high buildings collection conduit
CN108316609A (en) * 2018-04-24 2018-07-24 苏州格目软件技术有限公司 A kind of high level environmental protection can ferment garbage disposal recovery system
CN108560877A (en) * 2018-04-24 2018-09-21 苏州格目软件技术有限公司 A kind of residential building environmental protection rubbish from cooking collection processing system implementing
CN108612287A (en) * 2018-05-17 2018-10-02 江西联保工程咨询有限公司 A kind of safety and environmental protection for work progress limits dirt system
CN109469288A (en) * 2018-10-23 2019-03-15 筑梦高科建筑有限公司 Skyscraper vertical garbage transport pipeline
CN110067521A (en) * 2019-03-12 2019-07-30 山东省地质矿产勘查开发局八〇一水文地质工程地质大队 Rotary excavating treatment system and method for volatile toxic substance-containing solid waste in mine
CN108405574B (en) * 2018-04-24 2019-09-13 广东世纪辉腾环保科技有限公司 A kind of resident's environmental protection can ferment rubbish from recovery system
CN110406852A (en) * 2019-07-26 2019-11-05 马鞍山致青工业设计有限公司 A kind of urban high-rise building separate waste collection processing unit for avoiding peculiar smell from spreading
CN112554496A (en) * 2020-12-17 2021-03-26 中国建筑第七工程局有限公司 Garbage recycling and classifying system for high-rise building construction
CN116495381A (en) * 2023-07-03 2023-07-28 江苏康乾环境安全技术有限公司 Hospital garbage pneumatic collection system with disinfection function

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107640519A (en) * 2017-09-15 2018-01-30 东莞市金尚包装印刷有限公司 A kind of waste material collection device
CN107954103A (en) * 2017-12-14 2018-04-24 浙江腾荣环保科技有限公司 A kind of garbage from high buildings collection conduit
CN108316609A (en) * 2018-04-24 2018-07-24 苏州格目软件技术有限公司 A kind of high level environmental protection can ferment garbage disposal recovery system
CN108560877A (en) * 2018-04-24 2018-09-21 苏州格目软件技术有限公司 A kind of residential building environmental protection rubbish from cooking collection processing system implementing
CN108560877B (en) * 2018-04-24 2019-11-19 泉州台商投资区中达工业设计有限公司 A kind of residential building environmental protection rubbish from cooking collection processing system implementing
CN108405574B (en) * 2018-04-24 2019-09-13 广东世纪辉腾环保科技有限公司 A kind of resident's environmental protection can ferment rubbish from recovery system
CN108612287B (en) * 2018-05-17 2019-04-26 江西联保工程咨询有限公司 A kind of safety and environmental protection limit dirt system for work progress
CN108612287A (en) * 2018-05-17 2018-10-02 江西联保工程咨询有限公司 A kind of safety and environmental protection for work progress limits dirt system
CN109469288A (en) * 2018-10-23 2019-03-15 筑梦高科建筑有限公司 Skyscraper vertical garbage transport pipeline
CN110067521A (en) * 2019-03-12 2019-07-30 山东省地质矿产勘查开发局八〇一水文地质工程地质大队 Rotary excavating treatment system and method for volatile toxic substance-containing solid waste in mine
CN110406852A (en) * 2019-07-26 2019-11-05 马鞍山致青工业设计有限公司 A kind of urban high-rise building separate waste collection processing unit for avoiding peculiar smell from spreading
CN112554496A (en) * 2020-12-17 2021-03-26 中国建筑第七工程局有限公司 Garbage recycling and classifying system for high-rise building construction
CN116495381A (en) * 2023-07-03 2023-07-28 江苏康乾环境安全技术有限公司 Hospital garbage pneumatic collection system with disinfection function
CN116495381B (en) * 2023-07-03 2023-09-15 江苏康乾环境安全技术有限公司 Hospital garbage pneumatic collection system with disinfection function

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Granted publication date: 20170804

Termination date: 20200103