CN111659695B

CN111659695B - Garbage disposal station and wet garbage disposal method

Info

Publication number: CN111659695B
Application number: CN202010434355.7A
Authority: CN
Inventors: 陈俊伟
Original assignee: Huanchuan Environmental Protection Equipment Suzhou Co ltd
Current assignee: Huanchuan Environmental Protection Equipment Suzhou Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2024-04-30
Anticipated expiration: 2040-05-21
Also published as: CN111659695A

Abstract

The invention discloses a garbage disposal station and a wet garbage disposal method, wherein the garbage disposal station comprises a garbage collection conveyor, the output end of the garbage collection conveyor is connected with a pulverizer, the output end of the pulverizer is connected with a dryer, the height of the dryer is not less than that of a garbage can, and a storage container is arranged at a discharge port of the dryer. The garbage collection conveyor, the pulverizer and the dryer are integrated, wet garbage can be collected, pulverized and dried in real time, and the storage space required by the processed product is greatly reduced relative to the storage space required before the wet garbage is not processed, so that the number of corresponding garbage cans is effectively reduced; the wet garbage can not stay for a long time, the problems of breeding mosquitoes, bacteria and the like are avoided, and the treated product can effectively remove peculiar smell, bacteria and the like, so that the sanitary environment of a station is maintained; meanwhile, due to the overall layout design of the equipment, the occupied space of the equipment can be effectively utilized, the number of garbage cans is increased, and the energy storage capacity is improved.

Description

Garbage disposal station and wet garbage disposal method

Technical Field

The invention relates to the field of environmental protection, in particular to a garbage disposal station and a wet garbage disposal method.

Background

Garbage classification refers to the general term of a series of activities of classifying, storing, throwing and carrying garbage according to a certain rule or standard, so as to convert the garbage into public resources. The classification aims at improving the resource value and the economic value of the garbage and striving for the best use.

Along with the great popularization of garbage classification work in various big cities of the whole country, more and more communities, markets, parks, hospitals and other places are provided with garbage classification recycling stations, and the conventional garbage classification recycling stations are only provided with a plurality of garbage cans at fixed positions for placing garbage of different types, such as recyclable matters, harmful garbage, wet garbage and dry garbage.

However, in actual use, since the wet garbage generated in daily life is often the largest, the number of garbage cans used for placing the wet garbage at each site often needs to be multiple to meet the use requirement, which obviously increases the space of the site, and this is often not realized for use occasions such as many communities, markets, and the like.

In addition, the conventional various garbage cans only have the accommodating function, and can not be continuously accommodated after being accommodated fully, so that the accommodating capacity is small and the function is single; in addition, the wet garbage is easy to breed mosquitoes, bacteria and the like, which is unfavorable for the sanitary environment maintenance of the site, and the manpower and financial resources of the maintenance are increased.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a garbage disposal station and a wet garbage disposal method.

The aim of the invention is achieved by the following technical scheme:

The garbage disposal station comprises a garbage collection conveyor, wherein the output end of the garbage collection conveyor is connected with a crusher, the output end of the crusher is connected with a dryer, the dryer is positioned on the inner side of the garbage collection conveyor and the height of the dryer is not less than that of a garbage can, and a storage container is arranged at the discharge port of the dryer.

Preferably, in the garbage disposal station, the garbage collection conveyor comprises a feed hopper and a screw conveyor, and a baffle plate surrounding the inner side of the inlet of the feed hopper is arranged on the feed hopper.

Preferably, in the garbage disposal station, an automatic door is arranged at the inlet of the feeding hopper, and the automatic door is triggered to be opened by a button or a sensor.

Preferably, in the garbage disposal station, the door body of the automatic door is opened and closed in a sliding manner.

Preferably, in the garbage disposal station, a weighing device is arranged at the outlet of the feeding hopper, the weighing device comprises a weighing sensor and a weighing platform, the weighing platform can close the outlet in a first state, and the weighing platform can enable the outlet to be at least partially opened in a second state.

Preferably, in the garbage disposal station, the weighing platform is obliquely arranged.

Preferably, in the garbage disposal station, the screw conveyor is obliquely arranged, a filter plate is arranged at the bottom of the screw conveyor shaft, and a drain hole at the low end is formed at the bottom of the casing of the screw conveyor.

Preferably, the refuse treatment station further comprises a refuse purification system comprising a structure for producing a body of water in which ozone is dissolved and delivering it to a refuse collection conveyor and/or dryer.

Preferably, in the garbage disposal station, the garbage purification system comprises an ozone generator, and the ozone generator is connected with an ozone water body dissolution output branch and an ozone output branch.

Preferably, in the garbage disposal station, the pulverizer comprises a main shaft and a barrel body which are coaxially arranged, the main shaft is rotatably arranged in the barrel body, a spiral shearing blade which rotates synchronously with the main shaft is formed on the outer wall of the main shaft, a blade is horizontally arranged on the inner wall of the barrel body, and the blade stretches into a first notch on the shearing blade and is matched with the rotating shearing blade to generate shearing force.

Preferably, the garbage disposal station further comprises a fence, and the garbage collection conveyor, the pulverizer and the dryer are located in the fence.

Preferably, in the garbage disposal station, a hand washing pool located beside the garbage collection conveyor is arranged in the enclosure.

The wet garbage treatment method comprises the following steps:

s1, opening an automatic door through a sensor or a button, and placing wet garbage into a garbage collection conveyor;

s2, the wet garbage falls onto a weighing table to be weighed;

s3, deodorizing, sterilizing, disinfecting and degreasing the wet garbage on the weighing platform by the garbage purifying system;

s4, opening a weighing table, and enabling the purified wet garbage to fall into a screw conveyor, wherein the screw conveyor conveys the garbage to a pulverizer;

s5, crushing the entered wet garbage by a crusher;

s6, conveying the crushed wet garbage to a dryer;

S7, drying the crushed wet garbage by the dryer and outputting the dried wet garbage to the storage container.

The technical scheme of the invention has the advantages that:

The scheme is exquisite in design, integrates a garbage collection conveyor, a pulverizer and a dryer, can collect, pulverize and dry wet garbage in real time, and greatly reduces the storage space required by the processed product relative to the unprocessed product of the wet garbage, thereby effectively reducing the quantity of corresponding garbage cans; meanwhile, wet garbage can be treated in time without long-time stay, mosquito and bacteria and other problems, and the treated product can effectively remove peculiar smell, bacteria and the like, thereby being beneficial to maintaining the sanitary environment of stations; meanwhile, due to the overall layout design of the equipment, the occupied space of the equipment can be effectively utilized, the number of garbage cans is increased, and the energy storage capacity is improved.

According to the scheme, the automatic door is arranged at the inlet of the feeding hopper, and the automatic door is triggered by the sensor, so that peculiar smell and bacterial leakage in the equipment can be avoided when the equipment is not used, good occupation environment sanitation can be created, and the use friendliness is improved; meanwhile, the use safety of the equipment is improved.

According to the scheme, the weighing device is arranged at the outlet of the feeding hopper, so that the weight of wet garbage treated each time can be effectively determined, the garbage generation amount in the area can be known, the data support is provided for subsequent data and analysis utilization and optimizing classification sites.

The scheme is further provided with the purification device, and the wet garbage is subjected to desalination, deoiling, disinfection, sterilization and deodorization by utilizing ozone and water, so that on one hand, favorable conditions are created for subsequent recycling of the wet garbage; on the other hand, the method can effectively reduce bacteria, viruses and odor, and greatly improve the environmental sanitation of sites.

The inclined arrangement of the screw conveyor can be beneficial to liquid removal in wet garbage, so that the effects of oil removal, desalination and sterilization are improved, the subsequent crushing amount and drying amount are reduced, and the energy consumption is reduced.

The rubbing crusher of this scheme adopts shearing blade and blade cooperation to produce the shearing force to shearing area is big, combines the extrusion force that screw conveying produced simultaneously to carry out the crushing of rubbish, has improved crushing efficiency and crushing quality.

The utility model provides a drying-machine forms the degree of vacuum in the drying chamber when working, can reduce heating temperature effectively, reduces the energy consumption, adopts the mode of heating the membrane heating simultaneously, can reduce the space of drying-machine effectively.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is an exploded view of the garbage collection conveyor of the present invention;

FIG. 4 is a first perspective cross-sectional view of the garbage collection conveyor and shredder of the present invention;

FIG. 5 is a second perspective cross-sectional view of the garbage collection conveyor and shredder of the present invention;

FIG. 6 is a schematic diagram of the piping of the purification apparatus of the present invention;

FIG. 7 is a cross-sectional view of the garbage crusher of the present invention;

FIG. 8 is a front view of the main shaft and shear blade of the present invention;

FIG. 9 is a perspective view of a bucket and blade of the present invention;

FIG. 10 is a front view of the main shaft and shear blade of the present invention;

Fig. 11 is a sectional view of the dryer of the present invention;

fig. 12 is an enlarged view of the area B in fig. 11.

Detailed Description

The objects, advantages and features of the present invention are illustrated and explained by the following non-limiting description of preferred embodiments. These embodiments are only typical examples of the technical scheme of the invention, and all technical schemes formed by adopting equivalent substitution or equivalent transformation fall within the scope of the invention.

In the description of the embodiments, it should be noted that the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in the specific orientation, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the scheme, the direction approaching the operator is the near end, and the direction separating from the operator is the far end, with reference to the operator.

The garbage disposal station disclosed by the invention is described below with reference to the accompanying drawings, as shown in fig. 1, the garbage disposal station comprises a surrounding block 900, wherein the surrounding block 900 can be made of various known materials, for example, concrete pouring, brick mixing masonry or construction of various metal profiles and plates, and the specific forming materials and forming modes are not innovation points of the scheme and are not repeated herein. The enclosure 900 may be in various possible shapes, for example, a three-dimensional space with an opening on a side surface and a circular or polygonal cross section, and in a preferred real-time example, the enclosure includes a top plate 910, a bottom plate 920 and three side plates 930, which enclose a rectangular space, and a slope 940 is disposed on the opening side of the bottom plate 920, so that the garbage can conveniently enters the enclosure 900.

As shown in fig. 1 and fig. 2, a garbage collection conveyor 100, a pulverizer 300, a dryer 500, a storage container 600 and a plurality of garbage cans 400 for storing garbage are arranged in a space enclosed by the enclosing shield 900, and an output end of the garbage collection conveyor 100 is connected with a feeding end of the pulverizer 300. The shredder 300 is mounted on the bracket 800 and is positioned inside the garbage collection conveyor 100. The output end of the pulverizer 300 is connected with the dryer 500, the dryer 500 is located at the inner side of the garbage collection conveyor 100 and the height of the dryer is not less than the height of the garbage can 400, so that the garbage can 400 can be placed below the dryer 500, space in the enclosure 900 can be effectively utilized, more garbage cans 400 are arranged, the overall structure is more compact, the garbage cans 400 are arranged according to the types of garbage to be placed, for example, according to the garbage classification requirements, the garbage cans can be divided into garbage cans for placing dry garbage, garbage cans for placing harmful garbage, garbage cans for placing recyclable garbage, garbage cans for placing other garbage, and the like. The receiving container 600 is connected to an output end of the dryer 500, and is used for collecting the processed dry garbage.

As shown in fig. 3 and fig. 4, the garbage collection conveyor 100 includes a feeding hopper 110 and a screw conveyor 120, a baffle 130 surrounding the inner side of the inlet 111 of the feeding hopper 110 is disposed on the feeding hopper 110, and an outlet (a lower end opening) of the feeding hopper 110 is connected with a feeding end of the screw conveyor 120.

In operation, a user pours garbage (wet garbage) into the feeding hopper 110 through the inlet of the feeding hopper 110, after the garbage enters the screw conveyor 120, the user can manually press a start button or control the garbage by voice or send a start command through a touch screen to drive the screw conveyor 120, and a sensor (not shown in the figure) such as infrared correlation can be arranged in the feeding hopper 110, and when the sensor senses that the garbage passes through, the screw conveyor 120 is started.

The feeding hopper 110 may be provided with a cover (not shown in the figure), and the cover may adopt a structure of a cover of an existing garbage can, for example, one side of the cover is hinged to one side of the feeding hopper 110, or the cover is in a symmetrical V shape, and the top angle position of the cover is rotatably connected to the middle part of the feeding hopper 110, which is a known technology and will not be described herein. Of course, in this structure, it is necessary to drive the cover to open manually or by foot or the like, which is obviously inconvenient for the operation at the time of dumping the garbage.

Thus, in a more preferred embodiment, as shown in fig. 3, an automatic door 140 may be further disposed at the inlet of the feeding hopper 110, the automatic door 140 includes a cover plate 142 covering the inlet 111 of the feeding hopper 110, the cover plate 142 is fixed on the top of the support 800, a through hole 143 is formed on the cover plate 142 above the inlet of the feeding hopper 110, the through hole 143 is preferably circular or square, a door 141 is disposed at the bottom of the cover plate 142, the door 141 is preferably arched, and the area of the door is larger than that of the through hole 143, although the area of the door 141 and the area of the door may be equal and the door 141 just covers the through hole 143.

The door body 141 is slidably disposed in a guide groove 144 fixed to the bottom of the cover plate 142, the guide groove 144 has a hole 146 coaxial with the through hole 143 and having a size matching that of the hole, and the door body 141 is connected to a push-pull device 145 for driving the door body 141 to move in a straight direction, the push-pull device 145 may be various devices or mechanisms capable of generating a straight movement, for example, a cylinder, an oil cylinder, an electric push rod, etc., and is fixed in position, so that the door body 141 can be driven to cover the hole 146 or the hole 146 can be opened, and the door body 141 covers the hole 146 in a normal state.

Of course, in other embodiments, the automatic door 140 may also be a lifting mechanism for a hinged top cover on a conventional garbage can, so that the top cover can be automatically lifted and opened by the lifting mechanism, and the specific lifting structure is a known technology and is not limited herein.

Because the automatic door is adopted, the automatic door needs to be triggered to be opened in a certain mode, for example, a start-stop button or a touch screen and the like can be arranged at a proper position of the garbage disposal station so as to be manually operated by a user to control the opening and closing of the automatic door.

In other embodiments, the control of the automatic door 140 may be performed by generating trigger signals by various sensors, specifically, as shown in fig. 3, a vertical rod 160 located outside the through hole 143 is provided on the cover 142, at least one sensor (not shown) is provided on the vertical rod 160, and preferably, a plurality of sensors are provided on the vertical rod from bottom to top. The sensor may be various possible sensors, such as a proximity sensor, an infrared correlation sensor, a laser sensor, etc., and the sensing area of the sensor is located above the through hole 143. When the sensor senses that an object is located above the through hole 143, a trigger signal is generated to cause the automatic door 140 to open so that the garbage can be poured into the garbage collection conveyor 100.

Since the automatic door 140 seals the inlet of the feeding hopper 110 in a normal state, mosquitoes, flies and the like can be effectively prevented from entering the garbage collection conveyor 100, peculiar smell and the like can be shielded, and the use feeling of a user is prevented from being influenced.

The screw conveyor 120 is used for conveying the garbage entering the garbage feeding hopper 110 to subsequent processing equipment along a certain direction for processing, and may be various known screw conveyor 120 structures, such as those disclosed in the prior art with the application number 201810923168.8 and the like.

In a preferred embodiment, as shown in fig. 5, the screw conveyor 120 includes a housing 121, where the housing 121 is disposed obliquely, preferably, a height of one end 122 (a high end) of the housing 121, which is engaged with the pulverizer 300, is higher than a height of the other end 123 (a low end) opposite thereto, a feed inlet of the housing 121 is communicated with an outlet of the feed hopper 110, and a portion of the feed hopper 110 is embedded into an inlet of the housing 121, a screw conveyor shaft 124 is rotatably disposed in the housing 121, an extending direction of the screw conveyor shaft 124 is equivalent to an inclination of the housing 121, one end of the screw conveyor shaft 124 is connected to a speed reducing motor 125 disposed outside the housing 121, a discharge outlet 126 disposed below the screw conveyor shaft 124 is formed at a high end of the housing 121, meanwhile, a filter plate 127 is disposed below the screw conveyor shaft 124, and a plurality of filter holes are formed thereon, which are disposed around a lower semicircle of the screw conveyor shaft 124 and are equivalent to the mounting height of the filter plate 127 of the screw conveyor shaft 124.

As shown in fig. 5, a drain hole 128 is formed at the bottom of the housing 121, and the drain hole 128 is connected with a pipe joint 129, so that when wet garbage enters the screw conveyor, the liquid can be discharged to the outside, for example, to a sewer through the filter plate 127, the drain hole 128, the pipe joint 129 and an external pipeline under the action of gravity, thereby effectively reducing the water content of the garbage, providing favorable conditions for subsequent crushing and drying treatment and reducing power consumption.

Further, for convenience in determining the garbage disposal amount of the garbage disposal station, as shown in fig. 3 to 5, a weighing device 150 is disposed at the outlet 112 of the feed hopper 110, the weighing device 150 includes a load cell 151 and a weighing platform 152, the weighing platform 152 may close the outlet 112 in a first state, and the weighing platform 152 may at least partially open the outlet 112 in a second state.

In detail, as shown in fig. 4 and fig. 5, there are at least two weighing sensors 151, in this embodiment, two weighing sensors are taken as an example, and they are symmetrically distributed on both sides of the inlet of the casing of the screw conveyor 120, and the weighing platform 152 or the feeding hopper 110 is mounted on the two weighing sensors 151. The weighing stage 152 includes a mounting stage 153, and the mounting stage 153 is disposed obliquely, i.e., one end thereof connected to the feed hopper 110 is lower in height than the other opposite end (outer end) thereof.

As shown in fig. 4, the mounting table 153 includes a support slot 1531 fixed on the outside of the feeding hopper 110 and an L-shaped or V-shaped plate 1532 disposed opposite to the support slot 1531, the support portion 1531 is provided with a driving device 154, the driving device 154 is a device capable of generating linear movement, such as a cylinder, an oil cylinder, etc., the driving device 154 is connected to a carrier plate 155 mounted on the mounting table 153 and limited by the mounting table 153, and drives the carrier plate 155 to reciprocate linearly along the inclined direction of the mounting table 153, the size of the carrier plate 155 is equal to the size of the outlet 112 of the feeding hopper 110, since the carrier plate 155 is also inclined toward the inlet direction of the screw conveyor 120, on the one hand, when the outlet 112 of the feeding hopper 110 is opened, the garbage thereon can slide into the screw conveyor 120 under the action of gravity; on the other hand, the risk of liquid penetrating into the driving device 154 can be effectively reduced. Meanwhile, the bearing plate 155 and the bottom of the corresponding side plate 113 of the feed hopper 110 maintain a slight gap, so that when the bearing plate 155 is retracted to open the inlet 112, the side plate 113 can scrape the garbage on the bearing plate 155, so that the garbage cannot stay on the bearing plate 155.

The driving device 154 is exemplified by a cylinder, and when the cylinder shaft is retracted, the bearing plate 155 is integrally located at the supporting portion 1531, so that it does not block the outlet 112 of the feeding hopper 110, and the garbage can enter the screw conveyor 120. When the cylinder shaft of the cylinder extends out, the bearing plate 155 covers the outlet 112 of the feeding hopper 110, so that the garbage falls onto the bearing plate 155 after entering from the inlet of the feeding hopper, and the weight of the garbage poured each time is obtained by weighing the garbage by the weighing sensor 151.

After the weighing means has acquired the weight data, control means (not shown) may also be signaled, which control means may signal the actuation of the drive means 154 to retract the carrier plate 155 to open the outlet, and which control means may also signal the actuation of the screw conveyor, the shredder and the drying means, so that no additional triggering means are required to trigger the respective apparatus.

In actual garbage disposal, since odor factors, germs, toxic and harmful factors, a large amount of salts and the like exist in wet garbage, which are disadvantageous to sanitation of the whole environment and recycling of garbage, measures such as certain deodorization, sterilization, disinfection, desalination and the like are required to be carried out on the garbage, and corresponding disposal can be carried out in any one of the garbage collection conveyor 100, the pulverizer 300 and the dryer 500. The inventor has devised that the above treatment is performed before the garbage is crushed, specifically, when the garbage stays on the weighing device 150, that is, as shown in fig. 6, the garbage disposal station further includes a garbage purifying system 700, and the garbage purifying system 700 includes at least a structure for generating a water body in which ozone is dissolved and delivering the water body to the garbage collecting conveyor 100 and/or the dryer 500.

In detail, as shown in fig. 6, the garbage purification system 700 includes an ozone generator 710, and the ozone generator 710 is connected to an ozone water body dissolution output branch 720 and an ozone output branch 730.

The ozone water body dissolution output branch 720 comprises a pipeline 721 connected with the ozone generator 710, a first valve body 722 is arranged on the pipeline 721 and is connected with one inlet end of a gas-liquid mixer 723, and the other inlet end of the gas-liquid mixer 723 is connected with a water source 725 through a pipe 724. The first valve body 722 may be a manual valve or an automatic valve for controlling the on-off of the pipe 721, such as a gate valve, a solenoid valve, etc., or the first valve body 722 may be a one-way valve for allowing fluid to flow from one side to the other side of the ozone generator, and the gas-liquid mixer 723 is preferably a venturi mixer, so that the pipe 721 is connected to a middle end of the venturi mixer, an inlet end of the venturi mixer is connected to a water source 725 through a pipe 724, and a valve body (not shown in the drawing) may be provided on the pipe 724 as well, and the water source 725 may be a faucet. The outlet end of the venturi mixer is connected with the liquid outlet pipe 726, and the liquid outlet pipe is connected with a connection port (not shown in the figure) arranged on the feed hopper 110, so that a water body with dissolved ozone is conveyed into the feed hopper, the ozone can effectively perform sterilization, disinfection and deodorization functions, and meanwhile, the water body can effectively dissolve salt in garbage and is discharged from the liquid discharge hole 128 after entering the screw conveyor 120 subsequently.

As shown in fig. 6, the ozone output branch 730 includes a branch pipe 731 connected to an ozone generator, the branch pipe 731 is provided with a second valve body 732, the branch pipe 731 and the pipe 721 may be two independent pipes, which may be respectively connected to different air outlets of the ozone generator, and may also be connected to the same air outlet of the ozone generator through a tee 340 and a main pipe 350; of course, they may be the same pipe, and then divided into two branches by a tee 340.

The second valve body 732 may be a manual valve, an electromagnetic valve, or a one-way valve, as further shown in fig. 6, the branch 731 may be further connected with an air pump 733, the air pump 733 is connected with an exhaust pipe 734, and the exhaust pipe 734 may be a hose, or may also be connected with a device such as a spray gun through a hose, so that ozone may be directly injected through the air pump to sterilize, degerming, deodorize, etc. materials, devices or apparatuses that cannot be washed with water. Such as cleaning, sanitizing, deodorizing, etc., of trash cans and enclosures and conveyors, pulverizers and dryers.

The screw conveyor 120 conveys the pretreated wet garbage entering the same to the pulverizer, and the pulverizer may be any of various known apparatuses having a function of pulverizing objects, such as those disclosed in the prior art, for example, application nos. 201811148209.7 and 201911023943.5.

In an alternative embodiment, as shown in fig. 7, the garbage crusher 300 includes a main shaft 310 and a tub 320 coaxially disposed, the main shaft 310 is rotatably disposed in the tub 320, a spiral shearing blade 330 rotating synchronously with the main shaft 310 is formed on the outer wall of the main shaft 310, a blade 340 is horizontally disposed on the inner wall of the tub 320, and the blade 340 extends into a first notch 331 disposed on the shearing blade 330 and cooperates with the rotating shearing blade 330 to generate a shearing force.

Specifically, the cross section of the main shaft 310 may be various known shapes, such as a circle, an ellipse, or a square, and is preferably a circle, as shown in fig. 7, and may be a solid shaft or a hollow shaft, and is preferably a hollow shaft, which includes a main body 311 and connection portions 312 at two ends of the main body, the connection portions at two ends of the main body are respectively connected to a coaxial bearing 380, the bearing 380 is fixed on the bearing seat 370, and a sealing ring 390 is further disposed between each of the bearing 380 and the main body end surface of the main shaft 310, and the cross section of the sealing ring 390 is V-shaped, so that the bearing 380 can be effectively protected. In practice, the main shaft 310 may be disposed in a horizontal direction, i.e. in a lying state, or may extend longitudinally, preferably longitudinally, so that gravity is effectively used to accelerate the downward transport of the waste.

As shown in fig. 8 and 9, the shearing blades 330 extend from the upper end to the lower end of the main body of the main shaft 310, and the shearing blades 330 are a plurality of and uniformly distributed on the outer circumference of the main shaft 310, in particular, the shearing blades 330 are preferably 4, the edge of each shearing blade 330 is close to the inner wall of the barrel 320, a plurality of first notches 331 with height differences are formed on each shearing blade 330, preferably, three first notches 331 with different heights are formed on each shearing blade 330, and the height of the first notch 331 of any one height of each shearing blade 330 is the same as that of one first notch 331 on the other shearing blades 330, the blades 340 are divided into three layers, and the blades 340 of each layer are positioned at the first notches 331 with one height. So that the blade 340 is not blocked by the shearing blade 330 during the rotation of the spindle 310, and the upper and lower surfaces of the blade 340 form shearing force with the cut surfaces of the shearing blade 330 on the upper and lower sides of the first notch 331. Preferably, the cut surfaces of the shearing blades 330 on the upper and lower sides of the first notch 331 are plane

The upper part of the barrel body 320 is provided with a feed inlet 321, the lower part thereof is provided with a discharge outlet 322, and the discharge outlet 322 is positioned between the main shaft 310 and the side wall of the barrel body 320, so that after materials enter the barrel body 320 from the feed inlet 321, the materials are conveyed downwards under the action of the shearing blades 330 on the main shaft 310. Specifically, the upper end of the main shaft 310 extends to the inlet 321, the lower end thereof extends to the outlet 322, the shearing blade 330 conveys the material downward by the rotation of the main shaft 310, and the material is crushed under the extrusion and shearing forces of the shearing blade 330 and the blade 340, so that the crushed wet garbage can be finally conveyed to the outlet 322.

As shown in fig. 10, in order to facilitate the installation of the shearing blades 330 and the tub 320 and avoid the problem of interference between the shearing blades 330 and the blades 340, a second notch 332 is formed in each of the shearing blades 330, which corresponds to the position of the blade 340 one by one in the longitudinal direction, and each of the second notches 332 in the plurality of shearing blades 330 is opposite to each other. That is, a plurality of second notches 332 are formed on each of the shearing blades 330 from one end to the other end, the distribution of the plurality of second notches 332 is consistent with the distribution position of the blades 340 of each layer on the tub 320, and the shape profile of each second notch 332 matches with the shape of the blade 340, the second notches 332 on the shearing blade 330 may be obtained by cutting the plurality of shearing blades 330 along the axial direction of the main shaft 310, so that a set of second notches 332 obtained by cutting is formed with a mounting channel through which one of the blades 340 passes, and therefore, after the blades 340 correspond to the second notches 332, the main shaft 310 or the tub 320 may be directly moved along the extending direction of the main shaft 310, so that the main shaft 310 is mounted in the tub 320.

In the preferred embodiment, as shown in fig. 7, the upper part of the main shaft 310 is connected with a motor 350 for driving the main shaft to rotate, and the motor 350 can reduce the waste of manpower and improve the working efficiency of the present invention. In addition, the power output shaft of the motor 350 may be connected to a non-circular connecting piece, and a mounting hole (not shown in the figure) matching with the connecting piece is formed at the corresponding end of the spindle 310, so as to implement torque transmission connection, and meanwhile, the spindle 310 and the output shaft of the motor 350 are not fixedly connected, so that the disassembly and assembly are convenient. Of course, in other embodiments, the upper portion of the spindle 310 may be connected to a manual driving structure to drive the spindle 310 to rotate. In other embodiments, the motor 350 may be mounted at other locations of the spindle 310, such as the bottom.

As shown in fig. 7, an outer sleeve 360 is provided at the outside of the tub 320, the cross section of the outer sleeve 360 is T-shaped, and a head 361 of the outer sleeve 360 is communicated with the inlet 321 of the tub 320 and has an opening at one end for the entry of garbage. The wet garbage enters the inlet 321 from the opening of the head 361, and the outer sleeve 360 is arranged to protect the tub 320 from the external environment.

As shown in fig. 7, a receiving space 362 is formed between the head 361 of the outer sleeve 360 and the tub 320. The accommodating space 362 may accommodate the wet garbage that cannot be sheared and conveyed downward by the shearing blade 330, so as to avoid the wet garbage that cannot be minced from obstructing the rotation of the spindle 310 or damaging the shearing blade 330.

The discharge port of the pulverizer 300 may be directly connected to the dryer 500 through a pipe, which is not described herein. Of course, the discharge port of the pulverizer 300 may also be connected to a buffer tank (not shown in the drawings), where the buffer tank has a feed port located on a side wall and a discharge port located on a bottom, and the discharge port of the pulverizer 300 is connected to the feed port of the buffer tank, and the discharge port of the buffer tank is connected to the dryer 500.

In operation, the shredder 300 shreds the resulting material into a buffer tank for storage, and when the buffer tank is filled with material, the subsequent material is continuously extruded to cause the material to enter the dryer 500 through the conduit. Of course, in other embodiments, a pump (not shown) may be provided on the conduit connecting the surge tank to the dryer 500, so that the material in the surge tank may be pumped into the dryer 500.

In another embodiment, the dryer may have a vacuum pumping function, and the dryer 500 has an inlet end, and the inlet end is further provided with an electric valve (not shown in the drawing), so that the opening and closing of the inlet end can be effectively controlled to control the time of material entering the dryer and maintain the sealing property.

The top of the buffer tank is respectively provided with an exhaust port (not shown in the figure), the exhaust port is provided with a one-way valve (not shown in the figure), and the one-way valve is connected with an electric valve at the feed inlet of the dryer 500 through a pipeline. When the electric valve of the dryer 500 is closed, the one-way valve can be opened to discharge air in the buffer tank, so that materials can enter the buffer tank; when the electric valve at the opening of the dryer 500 is opened, the one-way valve is closed, so that the negative pressure in the dryer 500 can suck the materials in the buffer tank and the pipeline into the dryer, and the feeding can be realized without additional power.

The dryer 500 may be any known device having a drying function, and in a preferred embodiment, as shown in fig. 11, the dryer 500 includes a drying chamber 510, wherein the drying chamber 510 is disposed in a housing 560, and the housing 560 is fixed to the enclosure 900 or to a stand (not shown).

As shown in fig. 11, a rotatable screw conveyor shaft 520 is disposed in the drying chamber 510, one end of the screw conveyor shaft 520 is connected to a motor 530 for driving the screw conveyor shaft to rotate, a feed inlet (not shown) near one end of the screw conveyor shaft 520 and a discharge outlet 511 at the other end of the screw conveyor shaft 520 are formed on the side wall of the drying chamber 510, the feed inlet is disposed above the drying chamber 510 and preferably is two, and an electric valve (not shown) is disposed at each feed inlet, and each electric valve is connected to a buffer tank through a pipe (not shown). The discharge port 511 is located at the bottom of the drying chamber 510.

As shown in fig. 11, the outer wall of the drying chamber 510 is covered with an electric heating film 540, the electric heating film 540 is connected to a power supply device, and the electric heating film 540 and a power supply structure thereof are all known technologies and will not be described herein. Meanwhile, in order to reduce the drying power consumption, the drying chamber 510 is connected to a vacuum pumping device (not shown). When the drying device works, after materials enter the drying chamber, vacuumizing and heating are performed, and as the vacuum degree is reduced, the boiling point of liquid is reduced, so that water molecules in the materials can be evaporated at a lower temperature, and drying with low energy consumption is realized.

The vacuum pumping device may be any known device with a pumping function, preferably a vacuum pump, and the vacuum pump is connected to a pipe joint 512 provided on the drying chamber through a pipe, and a channel of the pipe joint 512 is communicated with an inner cavity of the drying chamber 510. Also, a temperature sensor, a vacuum sensor (not shown), and the like are provided in the drying chamber 510.

In addition, in the vacuumizing process, the vacuum pump can discharge steam generated by evaporation in the drying chamber from the drying chamber, and the discharge end of the vacuumizing device is connected with the secondary oil-water separator through a pipeline because the steam contains oil, so that the separation of oil and water can be realized for recycling respectively.

As shown in fig. 11 and 12, a quantitative discharging bin 550 is provided at the discharging port 511, and a load cell 551 is integrated in the quantitative discharging bin 550.

In detail, as shown in fig. 12, the quantitative discharging bin 550 includes a discharging barrel 552 fixed under the discharging opening 511, a receiving groove 553 with a normally open top and a normally open side is provided in the discharging barrel 552, the other three side plates of the receiving groove 553 are respectively attached to the inner wall of the discharging barrel 552, the receiving groove 553 is fixed on the weighing sensor 551, the weighing sensor 551 is fixed on a chassis 554 and keeps a gap between the bottom of the receiving groove 553 and the chassis 554, and the gap between the chassis 554 and the discharging barrel 552 is sealed by a sealing ring 555 defined at the bottom of the discharging barrel 552 and surrounding the periphery of the receiving groove 553.

As shown in fig. 12, a side of the chassis 554, which is far from the side opening of the receiving slot 553, is pivotally connected to a mounting bracket 556 fixed to the discharging barrel 552, a cylinder shaft of a cylinder 557 for driving the chassis 554 to rotate around a shaft connected to the mounting bracket 556 is pivotally connected to the bottom of the chassis 554, and the other end of the cylinder 557 opposite to the cylinder shaft is pivotally connected to the mounting bracket 556.

Normally, the air cylinder 557 makes the receiving chute 553 block the discharging opening of the discharging barrel 552, so that the dried product falls onto the receiving chute 553, the weighing sensor 551 weighs the weight of the material on the receiving chute 553, when the weight of the material on the receiving chute 553 reaches a set weight, the air cylinder 557 can be started to pull down the chassis 554, thereby driving the opening side of the receiving chute 553 to incline downwards and open, realizing the discharging of the material thereon, and the air cylinder 557 drives the receiving chute to reset after the discharging is completed.

In addition, in the process of composting, fermentation of the wet garbage is required to eliminate the peculiar smell in the garbage and improve the fertility, so that fermentation bacteria need to be added to the wet garbage to achieve the above purpose, the process of adding fermentation bacteria can be performed in any feasible time period in the whole processing process, for example, can be performed in the drying process, preferably, the adding process is performed before the wet garbage is cleaned and enters the pulverizer 300, because fermentation bacteria and the wet garbage are sufficiently stirred and mixed while the pulverizer breaks, thereby ensuring the reliability of subsequent fermentation, and therefore, a fermentation bacteria spraying device (not shown in the figure) which can be a spray head connected with a fermentation bacteria liquid supply device (not shown in the figure) is also arranged above the pulverizer 300.

Finally, after the user has dumped the wet garbage, in order to facilitate the cleaning of the user, a hand sink 200 located beside the garbage collection conveyor 100 is disposed in the enclosure 900, and the specific structure of the hand sink 200 is a known technology and will not be described herein.

When the whole equipment works, various electric components such as an electric valve, a motor, an air cylinder, a weighing sensor, a temperature sensor, a vacuum degree measuring device, a power supply of a heating device, a pump and the like are connected to a control device, for example, a PLC control system and an upper computer are matched for control, and the control device controls the operation of each part according to a logic program compiled inside and set operation parameters, so that the technology is not an innovation point of the scheme and is not repeated herein.

The scheme further discloses a wet garbage treatment method, which comprises the following steps:

Specifically, a user or a worker who dumps the garbage moves the wet garbage or the arm to the sensor, and signals the control device after the sensor senses the garbage or the human body, and the control device controls the push-pull device 145 of the automatic door 140 to drive the door body 141 to open, so that the user or the worker can guide the wet garbage into the feed hopper 110 from the inlet.

S2, the wet garbage falls on a weighing table, the wet garbage is weighed through a weighing sensor 151, and weighing data are transmitted to a control device.

S3, the control device signals to start the ozone generator 710 of the garbage purification system 700 and start a water source to mix water and ozone, and conveys the mixed liquid to the feed hopper 110 to flush wet garbage on the weighing platform 152 such as a spray head or a spray nozzle, so as to realize deodorization, sterilization and disinfection.

S4, after the cleaning is completed, the driving device 154 of the weighing platform 152 starts to drive the bearing plate 155 to open, the cleaned wet garbage falls into the screw conveyor 120, and after the wet garbage falls into the screw conveyor 120, the liquid carried in the wet garbage is discharged to the outside through the filter plate 127, the liquid discharge hole 128, the pipe joint 129 and an external pipeline. The motor 125 of the screw conveyor 120 is started to drive the screw conveyor shaft 124 to rotate so as to convey the wet garbage into the pulverizer 300, and in the process of conveying the wet garbage, the screw conveyor is integrally inclined, so that the discharge of liquid in the wet garbage can be accelerated.

S5, the pulverizer 300 pulverizes the wet garbage entering the pulverizer; specifically, wet garbage enters the pulverizer 300, the motor 350 of the garbage pulverizer of the pulverizer 300 is started to drive the spindle 310 to rotate, the shearing blade 330 follows the spindle 310 to synchronously rotate, the wet garbage entering the barrel is conveyed downwards, in the downward moving process of the wet garbage, the wet garbage is continuously subjected to shearing force between the shearing blade 330 and the blade 340 and extrusion force of the shearing blade 330 to achieve pulverization, finally, the minced wet garbage is output from the discharge port 322 to enter the buffer tank, and the wet garbage which cannot be minced is accommodated in the accommodating space.

S6, conveying the crushed wet garbage to a dryer; the crushed materials entering the buffer tank enter the drying chamber for drying and quantitatively discharging under the action of the pressure of the subsequent materials and/or the suction force of the pump and/or the suction force of the negative pressure of the drying chamber.

Specifically, the vacuum pumping device 550 starts to pump vacuum in the drying chamber 510 to a set vacuum degree, the electric heating film starts to heat to a set temperature, the electric valve is opened, and the material in the buffer tank is injected into the drying chamber 510 under the negative pressure in the drying chamber 510.

S7, drying the crushed wet garbage by the dryer and outputting the dried wet garbage to the storage container. The motor 530 is started to drive the screw conveyor shaft 520 to move the material forward and backward in the drying chamber, so as to control the residence time of the material in the drying chamber, ferment and dry the material in the drying chamber, when the set residence time is reached, the screw conveyor shaft 520 extrudes the material from the discharge port 513 to the quantitative discharging bin 550, when the weight of the material in the quantitative discharging bin 550 reaches the set value, the extrusion of the material into the quantitative discharging bin 550 is stopped, and at the moment, the air cylinder 557 is started to open the receiving bin 553 to realize discharging.

The invention has various embodiments, and all technical schemes formed by equivalent transformation or equivalent transformation fall within the protection scope of the invention.

Claims

1. Garbage disposal station, its characterized in that: the garbage collection device comprises a garbage collection conveyor (100), wherein a conveying shaft of a screw conveyor of the garbage collection conveyor extends along the depth direction of a fence, the output end of the garbage collection conveyor (100) is connected with a crusher (300), the crusher is positioned at the inner side of the garbage collection conveyor, the output end of the crusher (300) is connected with a dryer (500), the installation height of the dryer (500) is not less than the height of a garbage can (400), and a storage container (600) is arranged at the discharge hole of the dryer (500);

The garbage collection conveyor (100) comprises a feed hopper (110) and a screw conveyor (120), wherein a baffle plate (130) which is arranged on the inner side of an inlet (111) of the feed hopper (110) in a surrounding manner is arranged on the feed hopper (110);

A weighing device (150) is arranged at an outlet (112) of the feed hopper (110), the weighing device (150) comprises a weighing sensor (151) and a weighing platform (152), the weighing platform (152) is obliquely arranged, the weighing platform (152) can close the outlet (112) in a first state, and the weighing platform (152) can enable the outlet (112) to be at least partially opened in a second state;

The weighing platform (152) comprises a mounting platform (153), the mounting platform (153) comprises a supporting groove (1531) fixed on the outer side of the feeding hopper (110), a driving device (154) is arranged on the supporting groove (1531), and the driving device (154) is connected with a bearing plate (155) which is erected on the mounting platform (153) and limited by the mounting platform (153).

2. A waste disposal station as claimed in claim 1, wherein: an automatic door (140) is arranged at an inlet (111) of the feeding hopper (110), and the automatic door (140) is triggered to be opened by a button or a sensor.

3. A waste disposal station as claimed in claim 1, wherein: the screw conveyor (120) is obliquely arranged, the bottom of the screw conveyor comprises a screw conveying shaft, a filter plate is arranged at the bottom of the screw conveyor, and a drain hole at the low end is formed at the bottom of the casing of the screw conveyor.

4. A waste disposal station as claimed in claim 1, wherein: also included is a waste purification system (700), the waste purification system (700) including a structure that produces a body of water having ozone dissolved therein and is delivered to a waste collection conveyor (100) and/or dryer (500).

5. The waste disposal station of claim 4, wherein: the garbage purification system (700) comprises an ozone generator (710), wherein the ozone generator (710) is connected with an ozone water body dissolution output branch (720) and an ozone output branch (730).

6. A waste disposal station as claimed in claim 1, wherein: the pulverizer (300) comprises a coaxially arranged main shaft and a barrel body, wherein the main shaft is arranged in the barrel body in a autorotation mode, a spiral shearing blade which rotates synchronously with the main shaft is formed on the outer wall of the main shaft, a blade is horizontally arranged on the inner wall of the barrel body, and the blade stretches into a first notch on the shearing blade and is matched with the rotating shearing blade to generate shearing force.

7. A waste disposal station according to any one of claims 1 to 6, wherein: still include enclosing fender (900), garbage collection conveyer (100), rubbing crusher (300) and drying-machine (500) are located enclosing fender (900), enclose and be provided with in keeping off (900) and be located wash hand pond (200) by garbage collection conveyer (100).

8. A wet waste disposal method of a waste disposal station according to any one of claims 1 to 7, wherein: the method comprises the following steps:

S1, generating a trigger signal through a sensor or a button to open an automatic door, and placing wet garbage into a garbage collection conveyor;

s2, the wet garbage falls onto a weighing table to be weighed;

s5, crushing the entered wet garbage by a crusher;

s6, conveying the crushed wet garbage to a dryer;