CN209791670U - kitchen waste smashing and screening device - Google Patents

Abstract

The application provides a screening plant is smashed to kitchen garbage, including base and the crushing screening plant of setting on the base, crushing screening plant sets up screening plant and breaker in the barrel including the rotatory barrel that sets up on the base. The kitchen waste crushing and screening device is reasonable in structural design, the first screen and the second screen, and the first crushing device and the second crushing device are arranged in the barrel, so that kitchen waste is crushed and separated step by step, and the kitchen waste crushing and screening efficiency is greatly improved; the rotating direction of the cylinder body is opposite to that of the first rotating shaft, so that the crushing efficiency of the second crushing device is greatly improved; the first convex teeth are arranged on the inner wall of the barrel, so that the crushing efficiency and the crushing effect of larger particles in the kitchen waste are improved; the cleaning hammer and the cleaning brush are arranged, so that kitchen waste particles are prevented from blocking the first screen and the second screen; the clearance between the first crushing sword and the second crushing sword reduces from the top down in proper order, and the kitchen garbage of being convenient for is broken step by step, has improved crushing effect simultaneously.

Description

A food waste crushing and screening device

technical field

The invention relates to kitchen waste treatment technology, in particular to a kitchen waste crushing and screening device.

Background technique

Kitchen waste, commonly known as swill, is the domestic waste formed by residents in the process of daily consumption. It is easy to rot and deteriorate, emits foul smell, and spreads bacteria and viruses. In order to maximize the utilization of resources and avoid environmental pollution, at present, food waste is mainly treated in a harmless manner, which mainly includes pre-treatment of food waste and subsequent anaerobic digestion treatment. Anaerobic digestion can produce biogas, which is used as energy. The effect of anaerobic digestion depends on the effect of the pre-treatment process of food waste. Due to the complex composition of food waste and the high content of organic matter in the waste, in order to separate the unusable sundries as much as possible and maximize the use of available resources, the key step is to disperse the materials in the food waste. Extracting organic matter, if the material particles in the kitchen waste are too large, it will not be conducive to the subsequent anaerobic digestion reaction. At present, in the field of food waste treatment, especially in the pre-treatment process of food waste, crushing and sorting devices and solid-liquid separation devices are commonly used to separate food waste. Although this kind of crushing and sorting device can crush the materials, the particles after crushing are larger and the crushing effect is poor, which increases the burden for the subsequent anaerobic digestion treatment.

Contents of the invention

The present application is provided to solve the above technical problems.

The technical solution adopted in this application is: a food waste crushing and screening device, which is characterized in that it includes a base and a crushing and screening device arranged on the base;

The crushing and screening device includes a cylinder rotated on the base, a screening device and a crushing device arranged in the cylinder; the upper part of the cylinder is provided with a feeding port, and the lower part is provided with a discharge port. There are multiple removal doors on the side wall of the body;

The screening device includes a first screen and a second screen, and the first screen and the second screen are sequentially arranged in the cylinder from top to bottom;

The crushing device includes a driving device, a first crushing device arranged on the upper part of the first screen and a second crushing device arranged on the lower part of the second screen;

The driving device shown includes a driving motor, a first rotating shaft, a driving wheel, a second rotating shaft, a first driven wheel and a second driven wheel. The shafts are connected in the axial direction, the first rotating shaft is rotatably arranged in the cylinder, the output end of the driving motor is provided with a driving wheel, and the outside of the cylinder is provided with a second rotating shaft parallel to the axial direction of the cylinder. The first driven wheel is arranged on the upper part of the two rotating shafts, and is connected with the driving wheel through a chain, the second driven wheel is arranged under the second rotating shaft, and the outer periphery of the cylinder is provided with teeth meshing with the second driven wheel ;

The first crushing device includes a cleaning hammer and a plurality of crushing hammers. The cleaning hammer is arranged on the upper part of the first screen, and one end is fixedly arranged on the first rotating shaft. On a rotating shaft; the second crushing device includes a cleaning brush, a plurality of first pulverizing knives and a plurality of second pulverizing knives; the cleaning brush is arranged on the upper part of the second screen, and one end is fixedly arranged on the first rotating shaft A plurality of first pulverizing knives are arranged on the inner wall of the cylinder between the first screen and the second screen, and the second pulverizing knives are arranged on the second rotating shaft and interlaced with the first pulverizing knives .

Further, the inner wall of the barrel is provided with a plurality of protruding teeth one.

Further, the cleaning hammer includes a hammer handle, a hammer head one and a brush arranged at the lower part of the hammer handle, and the crushing hammer includes a hammer handle two and a hammer head two. Two convex teeth.

Further, the mesh of the first screen is larger than the mesh of the second screen.

Further, the gap between the first pulverizing knife and the second pulverizing knife decreases sequentially from top to bottom.

The advantages and positive effects of the present application are: a food waste crushing and screening device of the present application has a reasonable structural design, a first screen and a second screen, and a first crushing device and a second crushing device are arranged in the cylinder. The device crushes and separates food waste step by step, which greatly improves the efficiency of food waste crushing and screening; the rotation direction of the cylinder is opposite to the rotation direction of the first rotation shaft, which greatly improves the crushing efficiency of the second crushing device; the inner wall of the cylinder There is a convex tooth 1 on the top, which improves the crushing efficiency and crushing effect of larger particles in the food waste; a cleaning hammer and a cleaning brush are provided to prevent the food waste particles from clogging the first screen and the second screen; the first The gap between the pulverizing knife and the second pulverizing knife decreases sequentially from top to bottom, which facilitates the step-by-step crushing of the kitchen waste and improves the pulverization effect of the kitchen waste.

In addition to the technical problems solved by the application described above, the technical features that constitute the technical solutions, and the advantages brought by the technical features of these technical solutions, other technical problems that can be solved by this application, other technical solutions contained in the technical solutions The technical features and the advantages brought by these technical features will be further described in detail below in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 is a schematic structural diagram of a food waste crushing and screening device provided in the embodiment of the present application;

Fig. 2 is the structural representation of the screening device provided by the embodiment of the present application;

Fig. 3 is a schematic structural diagram of a crushing device provided in an embodiment of the present application;

Fig. 4 is a schematic diagram of a convex tooth provided by the embodiment of the present application;

Fig. 5 is a schematic structural diagram of the cleaning hammer provided by the embodiment of the present application;

Fig. 6 is a schematic structural diagram of a crushing hammer provided in an embodiment of the present application.

In the figure: 1 base; 2 crushing and screening device; 210 cylinder; 211 feed inlet; 212 discharge outlet; 213 impurity removal door; Two screens; 230 crushing device; 231 driving device; 231a driving motor; 231b first rotating shaft; 231c driving wheel; 231d second rotating shaft; 231e first driven wheel; 231f second driven wheel; 232 first crushing device; 232a cleaning hammer; 232b crushing hammer; 233 second crushing device; 233a cleaning brush; 233b first crushing knife; 233c second crushing knife; 3 hammer handle one; 4 hammer head one; 5 brush; 6 hammer handle two; Hammer head two; 8 protruding teeth two

Detailed ways

The application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain related inventions, rather than to limit the invention. It should also be noted that, for ease of description, only parts related to the invention are shown in the drawings.

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and embodiments.

As shown in Figure 1, Figure 2 and Figure 3, a food waste crushing and screening device includes a base 1 and a crushing and screening device 2 arranged on the base 1;

The crushing and screening device 2 comprises a cylinder 210 which is rotatably arranged on the base 1 and a screening device 220 and a crushing device 230 arranged in the cylinder 210; There is a discharge port 212, and a plurality of impurity removal doors 213 are arranged on the side wall of the cylinder body 210. After the food waste is crushed and screened, the garbage in the food waste that is not easy to be crushed by the crushing device 230 such as plastic sheets and coarse fibers can be removed through the impurity removal door 213 .

The screening device 220 includes a first screen 221 and a second screen 222, and the first screen 221 and the second screen 222 are sequentially arranged in the cylinder 210 from top to bottom; the first screen 221 and the second screen 222 The second screen 222 divides the cylinder 210 into two working chambers. The first screen 221 screens the incoming food waste for the first time, and only the food waste smaller than the aperture of the first screen 221 can pass through the first screen. The net 221; the second sieve 222 performs second screening on the food waste.

The crushing device 230 includes a first crushing device 232 with a driving device 231 disposed on the upper portion of the first screen 221 and a second crushing device 233 disposed on the lower portion of the second screen 222 .

The driving device 231 shown includes a driving motor 231a, a first rotating shaft 231b, a driving wheel 231c, a second rotating shaft 231d, a first driven wheel 231e, and a second driven wheel 231f. The output end is axially connected with the first rotating shaft 231b, and the first rotating shaft 231b is rotatably arranged in the cylinder body 210. The output end of the driving motor 231a is provided with a drive wheel 231c, and the outside of the cylinder body 210 is provided with a cylinder The body 210 is axially parallel to the second rotating shaft 231d, the upper part of the second rotating shaft 231d is provided with the first driven wheel 231e, and is connected with the driving wheel 231c through a chain, and the second rotating shaft 231d is provided with the second driven wheel The driving wheel 231f, the outer circumference of the cylinder 210 is provided with teeth meshing with the second driven wheel 231f.

The first crushing device 232 includes a cleaning hammer 232a and a plurality of crushing hammers 232b, the cleaning hammer 232a is arranged on the upper part of the first screen 221, and one end is fixedly arranged on the first rotating shaft 231b, and the crushing hammers 232b are evenly Be arranged on the first rotating shaft 231b on the top of the cleaning hammer 232a; the second crushing device 233 includes a cleaning brush 233a, a plurality of first pulverizing knives 233b and a plurality of second pulverizing knives 233c; the cleaning brush 233a is arranged on the second The upper part of the screen 222, and one end is fixedly arranged on the first rotating shaft 231b, and the inner wall of the cylinder 210 between the first screen 221 and the second screen 222 is provided with a plurality of first crushing knives 233b, the The second pulverizing knives 233c are arranged on the second rotating shaft 231d and interlaced with the first pulverizing knives 233b.

In this embodiment, when working, the first rotating shaft 231b drives the first crushing device 232 to crush the kitchen waste entering from the feed port 211, and the first crushing device 232 adopts a crushing hammer 232b structure, which can selectively crush Food waste, such as bones, meat, etc., when crushed to a certain particle size, enters the lower cylinder 210 through the first screen 221 and is further crushed by the second crushing device 233, while plastic, coarse fiber and other waste cannot be crushed. The broken food waste can be removed through the miscellaneous removal door 213 to realize the first crushing and screening of the food waste; the second crushing device 233 is a blade structure, which can further crush the food waste passing through the first screen 221, Moreover, the rotating direction of the cylinder body 210 is opposite to that of the first rotating shaft 231b, that is, the rotating direction of the first crushing blade 233b and the second crushing blade 233c are opposite, which greatly improves the crushing efficiency of the second crushing device 233 .

As shown in FIG. 4 , in a preferred embodiment, a plurality of protruding teeth 1 214 are provided on the inner wall of the barrel 210 . In this embodiment, the inner wall of the cylinder 210 is provided with a plurality of protruding teeth 1 214. When the food waste is bumped, beat or cut by the first crushing device 232 or the second crushing device 233 to the inner wall of the cylinder 210, the The collision effect of the protruding tooth-214 can better crush the kitchen waste, greatly improving the crushing efficiency and crushing effect.

As shown in Figures 5 and 6, in a preferred embodiment, the cleaning hammer 232a includes a hammer handle 3, a hammer head 4 and a brush 5 arranged at the lower part of the hammer handle, and the crushing hammer 232b includes a hammer handle Two 6 and hammer two 7, said hammer one 4 and hammer two 7 are provided with a plurality of protruding teeth two 8. In this embodiment, the cleaning hammer 232a is provided with a brush 5 at the lower part of the hammer handle. When working, the cleaning hammer 232a rotates under the drive of the first rotating shaft 231b, and the brush 5 can effectively clean the first screen 221, avoiding kitchen waste. The rubbish blocks the meshes of the first screen 221, which greatly improves the screening efficiency. In this embodiment, the hammer head of the crushing hammer 232b is provided with a convex tooth 2 8, driven by the rotation of the first rotating shaft 231b, the convex tooth 2 8 collides with larger garbage in the kitchen waste, which greatly improves the efficiency of the first crushing device 232. The crushing effect and crushing efficiency.

In a preferred embodiment, the mesh of the first screen 221 is larger than the mesh of the second screen 222 . In this embodiment, the mesh size of the first screen 221 is larger than that of the second screen 222, and through multi-stage crushing and screening, the crushing effect of the kitchen waste is greatly improved, which facilitates the subsequent treatment of the kitchen waste.

In a preferred embodiment, the gap between the first pulverizing knife 233b and the second pulverizing knife 233c decreases sequentially from top to bottom. In this embodiment, the gap between the first crushing blade 233b and the second crushing blade 233c gradually decreases from top to bottom, and the kitchen waste is crushed step by step, which greatly improves the crushing efficiency of the second crushing device 233, and at the same time greatly The crushing effect of kitchen waste is improved.

The embodiments of the present application have been described in detail above, but the content described is only a preferred embodiment of the present application, and cannot be considered as limiting the implementation scope of the present application. All equal changes and improvements made according to the scope of application of this application should still belong to the scope of patent coverage of this application.

Claims (5)

1. A kitchen waste crushing and screening device, characterized in that it comprises a base (1) and a crushing and screening device (2) arranged on the base (1); The crushing and screening device (2) comprises a cylinder (210) which is rotatably arranged on the base (1), a screening device (220) and a crushing device (230) arranged in the cylinder (210); The upper part of the cylinder (210) is provided with a material inlet (211), the lower part is provided with a material outlet (212), and the side wall of the cylinder (210) is provided with a plurality of impurity removal doors (213); The screening device (220) includes a first screen (221) and a second screen (222), and the first screen (221) and the second screen (222) are sequentially arranged on the cylinder from top to bottom. inside the body (210); The crushing device (230) includes a driving device (231), a first crushing device (232) arranged on the upper part of the first screen (221) and a second crushing device (233) arranged on the lower part of the second screen (222). ); The driving device (231) shown includes a driving motor (231a), a first rotating shaft (231b), a driving wheel (231c), a second rotating shaft (231d), a first driven wheel (231e) and a second driven wheel (231f ), the drive motor (231a) is arranged on the upper part of the cylinder (210), and the output end of the drive motor (231a) is axially connected to the first rotating shaft (231b), and the first rotating shaft (231b) is rotatably arranged on Inside the cylinder (210), a driving wheel (231c) is provided at the output end of the drive motor (231a), and a second rotating shaft (231d) parallel to the axial direction of the cylinder (210) is provided on the outside of the cylinder (210). ), the upper part of the second rotating shaft (231d) is provided with a first driven wheel (231e), and is connected with the driving wheel (231c) through a chain, and the second driven wheel (231d) is arranged below the second rotating shaft (231d) 231f), the outer circumference of the cylinder (210) is provided with teeth meshed with the second driven wheel (231f); The first crushing device (232) includes a cleaning hammer (232a) and a plurality of crushing hammers (232b), the cleaning hammer (232a) is arranged on the upper part of the first screen (221), and one end is fixedly arranged on the first rotating On the shaft (231b), the crushing hammer (232b) is evenly arranged on the first rotating shaft (231b) on the top of the cleaning hammer (232a); the second crushing device (233) includes a cleaning brush (233a), a plurality of The first pulverizing knife (233b) and a plurality of second pulverizing knives (233c); the cleaning brush (233a) is arranged on the second screen cloth (222) top, and one end is fixedly arranged on the first rotating shaft (231b), A plurality of first crushing knives (233b) are arranged on the inner wall of the cylinder (210) between the first screen (221) and the second screen (222), and the second crushing knives (233c) are arranged on on the second rotating shaft (231d) and interlaced with the first pulverizing knives (233b). 2. The food waste crushing and screening device according to claim 1, characterized in that, the inner wall of the cylinder (210) is provided with a plurality of protruding teeth one (214). 3. A kind of food waste crushing and screening device as claimed in claim 2, characterized in that, the cleaning hammer (232a) comprises a hammer handle one (3), a hammer head one (4) and is arranged at the lower part of the hammer handle The brush (5) of the crushing hammer (232b) includes hammer handle two (6) and hammer head two (7), and the hammer head one (4) and hammer head two (7) are provided with a plurality of protrusions Teeth two (8). 4. The food waste crushing and screening device according to claim 3, characterized in that, the mesh of the first screen (221) is larger than the mesh of the second screen (222). 5. A food waste crushing and screening device according to claim 4, characterized in that, the gap between the first crushing knife (233b) and the second crushing knife (233c) is sequentially from top to bottom decrease.