CN209801961U - novel solid waste screening and drying device - Google Patents

novel solid waste screening and drying device Download PDF

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Publication number
CN209801961U
CN209801961U CN201822215879.8U CN201822215879U CN209801961U CN 209801961 U CN209801961 U CN 209801961U CN 201822215879 U CN201822215879 U CN 201822215879U CN 209801961 U CN209801961 U CN 209801961U
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China
Prior art keywords
shell
screening
conveying belt
solid waste
electric heating
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Application number
CN201822215879.8U
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Chinese (zh)
Inventor
吴卫丹
黄杰熙
梁富城
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Dongguan Zhongnan Environmental Protection Technology Co Ltd
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Dongguan Zhongnan Environmental Protection Technology Co Ltd
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Priority to CN201822215879.8U priority Critical patent/CN209801961U/en
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Abstract

the utility model discloses a novel solid waste screening and drying device, which comprises a feeding mechanism, a material drying mechanism and a material screening mechanism which are arranged in the same shell; the bottom of the shell is provided with a shell support, the upper part of the shell is provided with a detachable window, the bottom of the front section of the shell is provided with an air inlet, and the top end of the rear section of the shell is provided with a hot air outlet; the material drying mechanism comprises an electric heating plate, an air inlet fan, a vibrating plate and a material baffle plate; the material screening mechanism comprises a screening roller, a screen underflow collecting tank, a screen overflow collecting funnel and a roller motor; the utility model reduces the investment of other drying devices by arranging the material drying mechanism and the material screening mechanism in the same shell; the air inlet and the hot air outlet are arranged to help hot air to fully dry the materials, and the drying device has the advantages of high drying efficiency and convenience in operation.

Description

novel solid waste screening and drying device
Technical Field
the utility model relates to a waste treatment equipment technical field, in particular to novel solid waste screening drying device.
background
with the acceleration of urbanization in China, the increase of urban population and the improvement of the living standard of residents, the generation amount of urban domestic garbage is also increased sharply, which becomes a serious social problem. At present, the annual growth rate of urban garbage in China is as high as 7% -9%, and the urban garbage occupies a large amount of land, influences urban landscapes and causes unrecoverable damage to land resources; the landfill leachate pollutes water bodies, a large amount of harmful gas is generated by burning, the atmospheric environment is influenced, and combustible components in landfill gas are hidden fire hazards; the garbage field generates a large amount of harmful organisms, and the health of people is threatened.
At present, garbage disposal in China generally adopts three modes: landfill, incineration and composting. The most main mode of municipal waste treatment is landfill, which accounts for more than 70% of the total treatment capacity; secondly, high-temperature composting, which accounts for about 20 percent; the proportion of incineration treatment is small. Before landfill, incineration and composting, the garbage needs to be screened and separated to obtain available resources, and then the screened garbage is treated uniformly, wherein garbage drying is more important for landfill and incineration.
the existing solid waste treatment screening equipment is generally in a component combination form, is relatively complex, and a set of complete screening equipment needs to be matched with a series of components, such as: the equipment comprises a feeding machine, a screening cylinder, a conveying belt, a vibrating screen, a drying device, a packaging machine and the like. The problem of high water content of the garbage exists in the process of treating and screening most of solid wastes, so that fine particles can be agglomerated or attached to coarse particles due to moisture on the outer surface of the solid wastes, the fine particles cannot be screened easily, the water content of the garbage is gradually reduced, the viscosity among the garbage is correspondingly reduced, and the separation and recovery are facilitated; when the mud content of the solid waste is high, the fine particles are easily agglomerated by slight moisture; research shows that simple dry-wet separation can obviously improve the separation efficiency, and the water content has important influence in the screening and separation process;
Solid waste rubbish through prior art screening has the problem that the moisture content is high, influences the screening effect of solid waste rubbish, to handling the solid waste rubbish that the moisture content is high, can only be through carrying out drying process before the screening, still need shift to screening equipment after the drying, and the treatment effeciency is low, and has the inconvenience. Therefore, improvements are needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel solid waste screening drying device to solve above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
A novel solid waste screening and drying device comprises a feeding mechanism, a material drying mechanism and a material screening mechanism, wherein the material drying mechanism and the material screening mechanism are arranged in the same shell;
The feeding mechanism comprises a material conveying belt and a conveying belt supporting frame; the material conveying belt is arranged at the top of the conveying belt supporting frame;
The bottom of the shell is provided with a shell bracket, the upper part of the shell is provided with a dismounting window, the bottom of the front section of the shell is provided with an air inlet, the top end of the rear section of the shell is provided with a hot air outlet, and the head end of the hot air outlet is connected with the tail end of the material conveying belt;
the material drying mechanism comprises an electric heating plate, an air inlet fan, a vibrating plate and a material baffle plate; the electric heating plate is arranged at the bottom of the front section in the shell, and a heating power supply electrically connected with the electric heating plate is arranged below the electric heating plate; the air inlet fan is arranged on the air inlet and is positioned below the electric heating plate; the vibrating plate is arranged at the top of the electric heating plate, and one side of the vibrating plate is provided with a vibrating motor which is in driving connection with the vibrating plate; the material baffle is vertically arranged at the tail end of the vibrating plate, and a baffle motor in driving connection with the material baffle is arranged on one side of the material baffle;
The material screening mechanism comprises a screening roller, a screen underflow collecting tank, a screen overflow collecting funnel and a roller motor; the screening roller is arranged at the middle rear section in the shell, and the head end of the screening roller is in contact with the material baffle; the undersize collecting tank is arranged at the bottom of the screening roller; the oversize collecting funnel is arranged below the tail end of the screening roller; the drum motor is arranged outside the tail end of the shell and is in driving connection with the screening drum.
Further, the material conveying belt is a spiral conveying belt.
Furthermore, the hot air outlet is externally connected with an exhaust fan.
Furthermore, the tail end of the hot air outlet is also provided with an active carbon deodorization layer.
The utility model has the advantages that the material drying mechanism and the material screening mechanism are arranged in the same shell, so that the process which needs to be respectively carried out in two devices in the past is omitted, the investment of other drying devices is reduced, the cost generated in the material transferring process is reduced, and the operation is more convenient; the shell is provided with an air inlet and a hot air outlet, the air inlet is positioned at the bottom of the front section of the shell, the hot air outlet is positioned at the top end of the middle rear section of the shell, the flow direction of hot air fully utilizes the heat generated by the material drying mechanism to dry the solid waste materials in the shell, the drying efficiency is high, resources are further utilized, and the hot air outlet is provided with an activated carbon deodorization layer to filter off odor generated in the working process of equipment; the material baffle is arranged between the material drying mechanism and the material screening mechanism, the material drying mechanism enters the material screening mechanism, the material quantity of the material screening mechanism is greatly reduced due to insufficient drying, the length of the electric heating plate is reduced, the length of equipment is reduced, and the cost is reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the material drying mechanism of the present invention;
FIG. 3 is a schematic view of the material sieving mechanism of the present invention;
fig. 4 is a flowchart of the present invention.
1. a feeding mechanism; 11. a material conveying belt; 12. a conveyor belt supporting frame; 2. a housing; 21. a housing bracket; 22. opening a disassembly window; 23. an air inlet; 24. a hot air outlet; 25. an activated carbon deodorizing layer; 3. a material drying mechanism; 31. an electrical heating plate; 32. a heating power supply; 33. an air intake fan; 34. a vibrating plate; 35. a vibration motor; 36. a material baffle; 37. a baffle motor; 38. a temperature and humidity sensor; 39. a heat drying system controller; 4. a material screening mechanism; 41. a screening drum; 42. a screen underflow collection tank; 43. and an oversize material collecting funnel.
Detailed Description
in order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. It should be noted that the drawings of the present invention are simplified and use non-precise ratios, and are only used for the purpose of facilitating and clearly assisting the description of the embodiments of the present invention.
As shown in fig. 1 ~ 3, a novel solid waste screening and drying device includes a feeding mechanism 1, a material drying mechanism 3 and a material screening mechanism 4 disposed in the same housing 2;
The feeding mechanism 1 comprises a material conveying belt 11 and a conveying belt supporting frame 12; the material conveying belt 11 is a spiral conveying belt and is arranged at the top of the conveying belt supporting frame 12;
a shell support 21 is arranged at the bottom of the shell 2, a detachable window 22 is arranged at the upper part of the shell, an air inlet 23 is arranged at the bottom of the front section of the shell, a hot air outlet 24 is arranged at the top end of the rear section of the shell, and the head end of the hot air outlet is connected with the tail end of the material conveying belt 11; the tail end of the hot air outlet 24 is provided with an activated carbon deodorization layer 25, and hot air is pumped out through an external exhaust fan; the detachable window 22 is convenient for an operator to observe the working condition in the shell 2 at any time;
The material drying mechanism 3 comprises an electric heating plate, an air inlet fan, a vibrating plate and a material baffle plate; the electric heating plate 31 is arranged at the bottom of the front section in the shell 2, and a heating power supply 32 electrically connected with the electric heating plate is arranged below the electric heating plate 31; the air inlet fan 33 is arranged on the air inlet 23 and is positioned below the electric heating plate 31; the vibrating plate 34 is arranged on the top of the electric heating plate 31, and a vibrating motor 35 in driving connection with the vibrating plate is arranged on one side of the vibrating plate; the material baffle 36 is vertically arranged at the tail end of the vibrating plate 34, and a baffle motor 37 in driving connection with the material baffle is arranged at one side of the material baffle 36; also comprises a temperature and humidity sensor 38 and a heating and drying system controller 39; the temperature and humidity sensor 38 is arranged in the middle of the front section of the shell 2; the heating and drying system controller 39 is disposed on one side of the heat-generating power supply 32; the heating and drying system controller 39 is electrically connected to the temperature and humidity sensor 38 and the heating power supply 32;
the material screening mechanism 4 comprises a screening roller 41, a screen underflow collecting tank 42, a screen overflow collecting funnel 43 and a roller motor 44; the screening drum 41 is arranged at the middle rear section in the shell 2, and the head end of the screening drum is in contact with the material baffle 36; the undersize collection tank 42 is disposed at the bottom of the screening drum 41; the oversize collection funnel 43 is disposed below the end of the screening drum 41; the drum motor is disposed outside the end of the housing 2 and is drivingly connected to the screening drum 41.
the working principle is as follows: the working flow of the utility model is as shown in fig. 4, firstly, a material conveying step is carried out, and solid waste materials are conveyed into the shell 2 through a material conveying belt 11 after primary sorting work;
Then, a material drying step is performed, the solid waste material falls onto the vibration plate 34, the vibration motor 35 drives the vibration plate 34 to vibrate up and down, meanwhile, the heating power source 32 is started, so that the electric heating plate 31 is heated, the air intake fan 33 blows air into the housing 2 from the air inlet 23, the solid waste fertilizer takes moisture away by hot air while vibrating up and down, the hot air is drawn out from the hot air outlet 24 in the housing 2 through the exhaust fan, and odor is filtered by the activated carbon deodorization layer 25, the heating and drying system controller 39 obtains information of the temperature and humidity sensor 38, and adjusts the temperature of the front section of the housing 2 to be 70 ~ 140 ° by controlling the heating power source 32, so as to achieve the best drying effect, the material baffle plate 36 limits the solid waste material on the vibration plate 34, and when the humidity in the front section of the housing 2 drops to a set value, the baffle motor 35 drives the material baffle plate 36 to rise, so that the dried solid waste material can enter the screening drum 41;
Then, the step of screening the materials is carried out, the solid waste materials are screened by the screening roller 41, the screened solid waste materials respectively enter the undersize collecting tank 42 and the oversize collecting hopper 43, the solid waste materials are dried, the moisture content of the materials which are dried and screened by the device is low, the materials are beneficial to screening and collecting, and the screening and drying efficiency is greatly improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (4)

1. the utility model provides a novel solid waste screening drying device which characterized in that: comprises a feeding mechanism, a material drying mechanism and a material screening mechanism which are arranged in the same shell;
the feeding mechanism comprises a material conveying belt and a conveying belt supporting frame; the material conveying belt is arranged at the top of the conveying belt supporting frame;
The bottom of the shell is provided with a shell bracket, the upper part of the shell is provided with a dismounting window, the bottom of the front section of the shell is provided with an air inlet, the top end of the rear section of the shell is provided with a hot air outlet, and the head end of the hot air outlet is connected with the tail end of the material conveying belt;
the material drying mechanism comprises an electric heating plate, an air inlet fan, a vibrating plate and a material baffle plate; the electric heating plate is arranged at the bottom of the front section in the shell, and a heating power supply electrically connected with the electric heating plate is arranged below the electric heating plate; the air inlet fan is arranged on the air inlet and is positioned below the electric heating plate; the vibrating plate is arranged at the top of the electric heating plate, and one side of the vibrating plate is provided with a vibrating motor which is in driving connection with the vibrating plate; the material baffle is vertically arranged at the tail end of the vibrating plate, and a baffle motor in driving connection with the material baffle is arranged on one side of the material baffle;
The material screening mechanism comprises a screening roller, a screen underflow collecting tank, a screen overflow collecting funnel and a roller motor; the screening roller is arranged at the middle rear section in the shell, and the head end of the screening roller is in contact with the material baffle; the undersize collecting tank is arranged at the bottom of the screening roller; the oversize collecting funnel is arranged below the tail end of the screening roller; the drum motor is arranged outside the tail end of the shell and is in driving connection with the screening drum.
2. The new solid waste screening drying device of claim 1, characterized in that: the material conveying belt is a spiral conveying belt.
3. The new solid waste screening drying device of claim 1, characterized in that: the hot air outlet is externally connected with an exhaust fan.
4. the new solid waste screening drying device of claim 1, characterized in that: and the tail end of the hot air outlet is also provided with an activated carbon deodorization layer.
CN201822215879.8U 2018-12-27 2018-12-27 novel solid waste screening and drying device Active CN209801961U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822215879.8U CN209801961U (en) 2018-12-27 2018-12-27 novel solid waste screening and drying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822215879.8U CN209801961U (en) 2018-12-27 2018-12-27 novel solid waste screening and drying device

Publications (1)

Publication Number Publication Date
CN209801961U true CN209801961U (en) 2019-12-17

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ID=68818931

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822215879.8U Active CN209801961U (en) 2018-12-27 2018-12-27 novel solid waste screening and drying device

Country Status (1)

Country Link
CN (1) CN209801961U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111872063A (en) * 2020-08-06 2020-11-03 王佳佳 Domestic waste separator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111872063A (en) * 2020-08-06 2020-11-03 王佳佳 Domestic waste separator

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