CN112648620B - Garbage crushing device - Google Patents

Abstract

The invention relates to the technical field of garbage treatment, in particular to a garbage crushing device. The specific technical scheme is as follows: the utility model provides a rubbish reducing mechanism, includes that the top is equipped with the crushing furnace of feed inlet, transversely be provided with the screen cloth in the crushing furnace, the bottom of crushing furnace is provided with the annular net, the vertical axis of rotation that is provided with in the crushing furnace, the axis of rotation passes in proper order annular net and screen cloth, just stretch out the one end of crushing furnace bottom is connected with the second motor, wears out the one end at crushing furnace top pass through the bearing with it is fixed to smash the furnace, in the axis of rotation, be located the top of screen cloth transversely is provided with a plurality of crushing unit. The invention solves the problem that whether the garbage is sufficiently combusted cannot be accurately mastered in the prior art.

Description

A garbage crushing device

technical field

The invention relates to the technical field of garbage treatment, in particular to a garbage crushing device.

Background technique

Garbage disposal has always been a major environmental issue of concern all over the world. Traditional waste disposal methods mainly include landfill and incineration. Landfilling will take up a lot of valuable land resources and pollute the environment at the same time, so this simple treatment method is basically no longer used. Compared with landfill disposal, waste incineration is the most widely used disposal method. Through incineration, not only the volume of garbage is greatly reduced, but also the heat generated by incineration can be used to generate electricity and heat, so as to achieve the purpose of energy reuse.

However, due to the wide variety of garbage, especially domestic garbage with high water content such as fruit peels, leachate will be produced during the stacking process of these garbage, which will cause the garbage with high water content and leachate to be leached when the garbage is burned together. Wet garbage is not easy to burn fully, and insufficient burning of garbage will lead to the production of carcinogens such as dioxin, causing serious secondary pollution and affecting people's health.

At present, the existing garbage incineration method is to put the garbage on the grate in the incinerator for incineration, and the leachate in the garbage is generally removed by filtration, but this method is not only time-consuming, but also due to the The stench emitted affects the lives of residents near the garbage collection station. Moreover, in the process of garbage incineration, it first starts to burn from the surface of the garbage pile placed in the incinerator. Therefore, the surface temperature of the garbage pile is the highest, while the internal temperature of the garbage pile is relatively low, which is very prone to low-temperature combustion. Or insufficient combustion, resulting in the production of toxic and harmful gases. Moreover, in the process of burning the garbage, it is impossible to know the burning situation inside the garbage dump, and it is impossible to accurately judge whether the inside of the garbage dump is completely burned. Therefore, when continuing to put new garbage into the incinerator, not only will the burning The rubbish is covered, making it more difficult for the rubbish inside the rubbish pile to be fully burned. Moreover, it is easy to extinguish the flame during the process of putting in the rubbish, resulting in insufficient burning of the rubbish, and then it needs to be re-ignited. Therefore, there is an urgent need for a new garbage incineration treatment system to solve the problems in the prior art that it is impossible to accurately grasp whether the garbage is fully burned, and the leachate produced during the process of stacking garbage affects the full combustion of the garbage.

Contents of the invention

Aiming at the deficiencies of the prior art, the present invention provides a rubbish crushing device, which solves the problem in the prior art that it is impossible to accurately know whether the rubbish is fully combusted.

To achieve the above object, the present invention is achieved through the following technical solutions:

The invention discloses a rubbish crushing device, which comprises a crushing furnace with a feeding port on the top, a screen mesh is arranged horizontally inside the crushing furnace, an annular net is arranged at the bottom of the crushing furnace, and a vertical mesh is arranged inside the crushing furnace. A rotating shaft is provided, and the rotating shaft passes through the annular net and the screen in turn, and the end protruding from the bottom of the pulverizing furnace is connected with a second motor, and the end passing through the top of the pulverizing furnace is connected with the The crushing furnace is fixed, and several crushing assemblies are horizontally arranged on the rotating shaft above the screen.

Preferably, the crushing assembly includes a U-shaped connecting rod, the other end of the U-shaped connecting rod is rotatably connected with a cutter, and both sides and the tip of the cutter are provided with blades, and the U-shaped connecting rod The length of the opened U-shaped groove is greater than that of the cutting knife.

Preferably, two groups of crushing assemblies are arranged horizontally below the screen and on the side walls of the pulverizing furnace, and the two groups of crushing assemblies are arranged on both sides of the rotating shaft.

Preferably, the crushing assembly includes two corresponding rotating rollers, the two ends of the rotating rollers are rotatably connected with the crushing furnace through a rotating shaft, and several pressing teeth are arranged on the circumference of the rotating rollers, and the two ends The pressing teeth on the two rotating rollers are meshed, and the rotating shaft protruding out of the side wall of the pulverizing furnace is connected with a third motor through a belt.

Preferably, two groups of crushing assemblies are arranged below the crushing assembly, and the crushing assemblies are correspondingly arranged on both sides of the rotating shaft.

Preferably, the crushing assembly includes a transmission shaft arranged horizontally in the crushing furnace, several crushing assemblies are vertically arranged on the transmission shaft, and one end of the transmission shaft is fixed on the bottom of the crushing furnace through a bearing. On the side wall, the other end is connected with a first bevel gear, and the first bevel gear meshes with the second bevel gear fixed on the transmission shaft.

Preferably, the bottom of the crushing furnace is fixed with a guide groove with the bottom inclined towards one side, and an opening is provided at the lowest point of the inclination.

Preferably, the bottom of the guide groove is provided with a through hole for the rotation shaft to pass through, and a protective sleeve is arranged on the rotation shaft located in the guide groove, one end of the protection sleeve is fixed on the bottom of the crushing furnace, and the other One end is placed or fixed on the second motor through the guide groove.

The invention has the following beneficial effects:

1. The present invention is provided with several filter holes on the second helical blade of the garbage filtering device, so that the garbage has been filtered during the transportation process, and there is no need to additionally filter the leachate in the garbage, thereby Reduced waste disposal time.

2. The present invention sets fan and air outlet in the garbage drying device, which can not only speed up the drying speed of garbage, but also pass the water vapor in the drying furnace into the incinerator after being dried, so that the water vapor in the incinerator The garbage is burned more fully, thereby effectively reducing the toxic and harmful gases produced during the garbage burning process.

3. The present invention adopts three steps to carry out stepwise crushing of rubbish to effectively shorten the time of rubbish crushing, specifically: a screen with a larger aperture can make small rubbish fall, and can quickly crush the rubbish into the required size, Then carry out further crushing, and the crushing component will not cause the accumulation of garbage. With the rotation of the rotating roller, the garbage will also fall down, and the garbage will be further shredded by the crushing component; during the whole process, the garbage The time of staying in the crushing furnace is greatly shortened, the efficiency of garbage crushing is increased, and the time of garbage crushing is shortened.

4. In the present invention, a uniform mechanism is set in the incinerator to make the garbage fall evenly through the grid net, so that the garbage can be fully burned; specifically: when the first motor rotates, it drives the transmission rod to rotate, and the transmission rod drives the ring to make the waste burn. The ring slides in the annular chute with the slider, so that the circle moves around the transmission rod, and the comb teeth fixed on the bottom of the ring and the connecting rod stir the garbage, so that the garbage falls evenly, and the garbage is cleaned. Burn evenly.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the structure schematic diagram of garbage filtering device of the present invention;

Fig. 3 is a structural schematic diagram of the garbage drying device of the present invention;

Fig. 4 is A-A direction view among Fig. 3;

Fig. 5 is a schematic structural view of the garbage crushing device of the present invention;

Fig. 6 is B-B direction view among Fig. 5;

Fig. 7 is a schematic structural diagram of the crushing assembly of the present invention;

Fig. 8 is a schematic diagram of the structure of the waste incineration device of the present invention;

Fig. 9 is a view to C-C in Fig. 8 (not including the sectional view of the receiving net);

Fig. 10 is D-D direction view among Fig. 8;

Fig. 11 is a structural schematic diagram of the incineration mechanism of the present invention;

Fig. 12 is a partial enlarged view of A in Fig. 11;

In the figure: garbage filtering device 1, garbage drying device 2, garbage crushing device 3, garbage incineration device 4, incinerator 5, grid net 6, inlet 7, ring 8, connecting rod 9, fixed block 10, transmission rod 11. First motor 12, comb teeth 13, fixed rod 14, slider 15, annular chute 16, gas pipe 17, receiving net 18, gas head 19, gas cover 20, dust cover 21, protective cover 22, connection Plate 23, spring 24, support rod 25, strip-shaped through hole 26, feed port 27, pulverizing furnace 28, screen cloth 29, ring net 30, rotating shaft 31, second motor 32, U-shaped connecting rod 33, cutter 34. Rotating roller 35, pressure gear 36, transmission shaft 37, first bevel gear 38, second bevel gear 39, drying furnace 40, drive shaft 41, first helical blade 42, fourth motor 43, cylindrical tube 44 , feed hopper 45, discharge hopper 46, conveying shaft 47, second helical blade 48, fifth motor 49, screw conveying mechanism 50, pipeline 51, fan 52, air outlet 53, guide groove 54, protective cover 55, dustproof Cover 56.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Unless otherwise specified, the technical means used in the implementation examples are conventional means well known to those skilled in the art.

Referring to Fig. 1-Fig. 12, the present invention discloses a garbage incineration treatment system, which is mainly aimed at sorted garbage, or some garbage that cannot be incinerated or cannot be incinerated after treatment, such as metal, battery and electrical equipment etc. The waste incineration treatment system of the present invention includes a waste filtering device 1 , a waste drying device 2 , a waste crushing device 3 and a waste incineration device 4 . It should be understood that the garbage filtering device 1 is mainly used to filter the leachate in the garbage during the process of transporting the garbage, and no special filtering of the garbage is required. Then the filtered rubbish is transported to the rubbish drying device 2 to dry the rubbish. The temperature of the rubbish drying is controlled below 100° C., so as to avoid high temperature causing low-temperature combustion of the rubbish, thereby generating harmful gas. Subsequently, the dried garbage is transported to the garbage crushing device 3, and the garbage is crushed to prevent the large pieces of garbage from being easily burnt out during the burning process, thereby generating harmful gases. Finally, the pulverized garbage is transported to the garbage incineration device 4 for incineration treatment. During the garbage incineration process, the garbage incinerator 4 controls the uniform incineration of the garbage to avoid burning the garbage in piles, resulting in low internal temperature and high external temperature of the garbage pile. , resulting in incomplete combustion of garbage.

Specifically: with reference to Fig. 2, the rubbish filtering device 1 includes a cylindrical cylinder 44, a feed hopper 45 is provided on the side wall near one end of the cylindrical cylinder 44, and a discharge hopper 46 is provided on the side wall of the other end. ; The cylindrical tube 44 is provided with a conveying shaft 47 along the length direction of the cylindrical tube 44, the conveying shaft 47 is provided with a second helical blade 48, and the second helical blade 48 is provided with several filter holes, and the conveying shaft 47 stretches out from the column One end of the cylindrical barrel 44 is fixed with a fifth motor 49, and the other end is fixed to the cylindrical barrel 44 through a bearing, and a liquid outlet is arranged at the bottom of the cylindrical barrel 44 at the lowest point. It should be understood that: the rubbish filtering device 1 is placed obliquely, the feed hopper 45 is set at a low place, and the discharge hopper 46 is set at a high place. When the second helical blade 48 is in the process of conveying rubbish, the leachate in the rubbish passes through the second The filter hole on the spiral blade 48 leaks down, and flows along the cylindrical tube 44 to the lowest point, and is discharged from the liquid outlet, and the discharged landfill leachate is subjected to subsequent treatment. deal with. Moreover, when the garbage drying device 2 cannot continuously feed the garbage during operation, in this process, the garbage in the garbage filtering device 1 is in a static state, which can better filter the leachate in the garbage. Filter out, thereby reducing the time for garbage to dry.

The outlet of the discharge hopper 46 corresponds to the upper hopper in the garbage drying device 2, and the garbage delivered from the discharge hopper 46 directly enters the garbage drying device 2 for drying. Referring to Fig. 3-Fig. 4, the garbage drying device 2 comprises a drying oven 40 and a driving shaft 41 arranged horizontally in the drying oven 40. The driving shaft 41 is provided with a first helical blade 42, and the driving shaft 41 stretches out for drying. One end of the furnace 40 is provided with a fourth motor 43, and the side wall of the drying furnace 40 is provided with a cavity, and a heating wire is provided in the cavity. It should be understood that: a temperature and humidity sensor is also provided in the drying furnace 40 for detecting the temperature of the garbage in the drying furnace 40, and the specific setting position is set according to the actual situation, preferably at the bottom of the drying furnace 40 , it is convenient to measure the temperature and humidity in the garbage, and the requirements of humidity and temperature are set according to the actual situation. The bottom of the drying furnace 40 is provided with a discharge port, the discharge port is provided with a discharge pipe, and the discharge pipe is provided with a valve. There is an upper hopper, and a valve is arranged on the upper hopper. In order to make the first helical blade 42 turn the garbage better and increase the drying rate of the garbage, the drive shaft 41 is arranged at a position lower than the axis of the drying furnace 40 to prevent all the garbage from accumulating at the bottom of the drying furnace 40 , the first helical blade 42 cannot better turn over the rubbish.

Further, in order to avoid the water vapor generated in the process of drying the garbage from affecting the drying effect of the garbage (due to the existence of water vapor, the garbage will still be in a wet state), therefore, in the drying furnace 40 is provided with several through holes on the side wall close to its bottom, and each through hole communicates with the fan 52 through a pipe 51; Stomach 53, each vent hole 53 is connected by trachea, and the other end of trachea is then connected with incinerator 5, and in the whole process, blower fan 52 blows in drying furnace 40, accelerates the evaporation of moisture in the rubbish, and The evaporated water vapor is discharged into the incinerator 5 through the air pipe, and air is added to the incinerator 5, thereby increasing the temperature of the garbage incineration, so that the garbage can be fully burned. It should be noted that a filter layer is provided in each through hole and air hole to prevent garbage from blocking the through hole and air hole. At the same time, in order to avoid the influence of moisture in the water vapor on the burning of garbage, the other end of the air pipe is connected to the gas drying tower. After the water vapor is dried, the dried gas is connected to the incinerator 5 through the air pipe. The drying tower is an existing equipment and can be obtained after purchase.

When the garbage is dry enough to meet the requirements, open the valve on the discharge pipe, pour the dried garbage into the feeding port of the screw conveying mechanism 50, start the screw conveying mechanism 50, and transport the dried garbage to the garbage crushing device 3 to crush the rubbish, wherein the discharge port of the screw conveying mechanism 50 corresponds to the feed port 27 of the rubbish crushing device 3 .

With reference to Fig. 5-Fig. 7, rubbish pulverizing device 3 comprises the pulverizing furnace 28 that the top is provided with feed inlet 27, and horizontally is provided with screen cloth 29 in pulverizing furnace 28, and the bottom of pulverizing furnace 28 is provided with a circle annular net 30, pulverizing furnace 28 Inside vertically be provided with rotating shaft 31, rotating shaft 31 passes through ring net 30 and screen cloth 29 successively, and stretches out one end of pulverizing furnace 28 bottoms to be connected with second motor 32, passes through one end of pulverizing furnace 28 tops through bearing and Pulverizing furnace 28 is fixed, and similarly, the joint of rotating shaft 31 and annular net 30 and screen cloth 29 is also fixed by bearing, avoids rotating shaft 31 to annular web 30 and screen cloth 29 and cause damage. On the rotating shaft 31, several crushing assemblies are horizontally arranged on the top of the screen cloth 29, and the crushing assemblies can be arranged on the rotating shaft 31 in random order, and can also be arranged on the rotating shaft 31 neatly. The crushing assembly includes a U-shaped connecting rod 33, and the other end of the U-shaped connecting rod 33 is rotatably connected with a cutting knife 34, and both sides and the tip of the cutting knife 34 are provided with blades.

It should be understood that: the crushing assembly is only a preliminary crushing of the garbage, and the aperture of the screen 29 is routinely set according to actual needs, that is, the size of the preliminary crushing of the garbage is required to set the aperture of the screen 29 until the garbage is crushed. Needed size just falls from screen cloth 29; Certainly, if rubbish itself is just less than the aperture of screen cloth 29, need not pulverize just can fall, also does not influence the crushing operation to larger rubbish. The main reason that the crushing assembly is set to be movable is to avoid damage to the cutter 34 by the harder rubbish in the rubbish. The U-shaped connecting rod 33 should be understood as: a U-shaped groove is horizontally opened on the connecting rod, a rotating rod is arranged in the U-shaped groove, and a through hole matched with the rotating rod is provided at the end of the cutter 34, so that the cutting Knife 34 can rotate horizontally around rotating rod; Except for the connection with the U-shaped connecting rod 33, the other sides of the cutter 34 are provided with blades, so that the rubbish is better crushed.

Then, the rubbish falling from the screen 29 after preliminary crushing is further crushed, specifically: two groups of crushing assemblies are horizontally arranged under the screen 29 and on the side wall of the crushing furnace 28 respectively, and the two groups of crushing The crushing assembly is correspondingly arranged on both sides of the rotating shaft 31. The crushing assembly includes two corresponding rotating rollers 35, and the two ends of the rotating roller 35 are rotatably connected to the crushing furnace 28 through the rotating shaft. The side wall of 28 is fixed, and promptly rotating shaft is fixed on the inner ring of bearing, and the outer ring of bearing is fixed on the side wall of crushing furnace 28. Several pressing teeth 36 are arranged on the circumference of the rotating roller 35, and the pressing teeth 36 on the two rotating rollers 35 are engaged, and the rotating shaft extending out of the side wall of the pulverizing furnace 28 is connected with a third motor (not shown in the figure) by a belt. out). It should be understood that: the crushing assembly is provided with two groups, which are distributed on both sides of the rotating shaft 31 and centered on the rotating shaft 31, and are arranged correspondingly. The two rotating rollers 35 in each group of crushing assemblies rotate relative to each other, that is, the directions of rotation are different, one rotates forward and the other rotates reversely, so as to further crush the rubbish. And the setting mode of the 3rd motor can be: two rotating rollers 35 identical in direction of rotation are driven by the same motor (fixing a multi-groove wheel on the output shaft of the motor gets final product), thereby use two motors to make 4 The rotating roller 35 completes the rotation in different directions.

Next, the rubbish crushed by the crushing assembly is further crushed, specifically: two groups of crushing assemblies are arranged below the crushing assembly, and the crushing assemblies are correspondingly arranged on both sides of the rotating shaft 31 . Wherein, the crushing assembly includes a drive shaft 37 horizontally arranged in the crushing furnace 28, and several crushing assemblies are vertically arranged on the drive shaft 37. Similarly, they can be arranged in random order or neatly arranged on the drive shaft 37. The crushing assembly The same structure as the crushing assembly fixed on the rotating shaft 31. One end of transmission shaft 37 is fixed on the side wall of pulverizing furnace 28 by bearing, and the other end is connected with first bevel gear 38, and first bevel gear 38 is engaged with the second bevel gear 39 that is fixed on transmission shaft 37. It should be understood that: the second bevel gear 39 is fixed on the rotating shaft 31, and the small end is upward, and the large end is downward; superior. When the rotating shaft 31 rotates, it will drive the second bevel gear 39 to rotate, and the rotation of the second bevel gear 39 will drive the two first bevel gears 38 to rotate, thereby driving the crushing assembly to rotate, thereby crushing the garbage. The rubbish after crushing then falls through the annular net 30 at the bottom of the crushing furnace 28. The bottom of the crushing furnace 28 is provided with the annular net 30 in order to increase the area where the rubbish falls, so that the rubbish can fall faster and avoid the accumulation of rubbish. Time is saved, so that garbage can be continuously thrown into the incinerator 5 .

In the present invention, three steps are used to crush the rubbish stepwise in order to shorten the time of rubbish crushing. If the rubbish is crushed to the required size in one step directly, it will take a long time to crush the rubbish, which takes a long time. It is also possible to cause large rubbish and small rubbish to mix together, causing the ring net 30 to be blocked. And adopt rubbish crushing device 3 of the present invention, the larger screen cloth 29 of aperture just can make little rubbish fall, and can quickly rubbish be crushed into required size, carry out further crushing then, and crushing assembly can not cause The accumulation situation of rubbish, along with the rotation of rotating roller 35, makes rubbish also fall thereupon, and rubbish is further shredded through crushing assembly;

Because the area of the ring net 30 is large, the area of the position where the rubbish falls is also enlarged thereupon. Therefore, at the bottom of the crushing furnace 28, a guide groove 54 with a bottom inclined to one side is fixed, and an opening is provided at the lowest point of the inclination. The opening corresponds to the feeding port of the screw conveying mechanism 50, so that the pulverized garbage is transported to the garbage incinerator 4 by the screw conveying mechanism 50 for incineration. And, offer a through hole for the rotation shaft 31 to pass through at the bottom of the guide groove 54, and a protective cover 55 is set on the rotating shaft 31 in the guide groove 54, and one end of the protective cover 55 is fixed on the bottom of the crushing furnace 28, The other end passes through the guide groove 54 and is placed or fixed on the second motor 32 to prevent garbage from adhering to the rotating shaft 31 .

Referring to Figures 8-12, the waste incinerator 4 includes an incinerator 5 and a grid 6 arranged horizontally in the incinerator 5, an inlet 7 is arranged on the top of the incinerator 5, and the outlet of the screw conveying mechanism 50 corresponds to the inlet 7 , throw rubbish in the incinerator 5 by inlet 7. The top of the grid net 6 is provided with a uniform mechanism, and the bottom is provided with an incineration mechanism. The uniform mechanism includes a circular ring 8 and a fixed block 10 fixed at the center of the circular ring 8 by a connecting rod 9. The fixed block 10 is fixed on the inner wall of the circular ring 8 by a connecting rod 9. The number of the connecting rods 9 is set according to the actual situation. The invention is preferably two; the top of the fixed block 10 is provided with a transmission rod 11, and the transmission rod 11 stretches out of the entrance 7, and the transmission rod 11 stretching out of the entrance 7 is connected with the first motor 12, the ring 8 and the connection The bottom surface of rod 9 is fixed with several comb teeth 13, and the top of circular ring 8 is connected with slide block 15 by several fixed rods 14, and the inner top of incinerator 5 is provided with the annular chute 16 concentric with inlet 7, slide block 15 and Annular chute 16 is matched, and fixed rod 14 plays the effect of connecting annulus 8 and slide block 15, and the quantity of fixed rod 14 is conventionally arranged, and the present invention is preferably two, and slide block 15 rotates in annular chute 16, Thereby circular ring 8 is rotated, and rubbish is spread out on grid net 6, and falls evenly from grid net 6. It should be understood that: the uniform mechanism is mainly to make the garbage fall evenly through the grid net 6, so that the garbage can be fully burned; since the garbage has been pulverized, the ring 8, the connecting rod 9, the fixed rod 14 and the transmission rod 11 are connected together. It will not affect the delivery of rubbish into the incinerator 5 by the screw conveying mechanism 50 . The specific process is: when the first motor 12 rotates, it drives the transmission rod 11 to rotate, and the transmission rod 11 drives the ring 8 to make the ring 8 slide in the annular chute 16 with the slider 15, thereby realizing the rotation of the ring 8. Do circular motion around the transmission rod 11, and the comb teeth 13 fixed on the bottom of the ring 8 and the connecting rod 9 stir the rubbish, so that the rubbish falls evenly, and the center of circle of the ring 8 is concentric with the center of the inlet 7. The aperture of the grid net 6 can be the same as that of the annular net 30 or larger than that of the annular net 30 .

Incineration mechanism comprises the gas pipe 17 stretching in the incinerator 5 from the side wall of the incinerator 5, and the gas pipe 17 is evenly laid under the receiving net 18, thereby carrying out comprehensive incineration to the rubbish on the receiving net 18. Connect the gas source (can be natural gas) on the gas pipe 17, adjust the flow rate of the gas source by adjusting the pressure regulating valve; the top of the gas pipe 17 is provided with several combustion assemblies connected with the gas pipe 17. The receiving net 18 that is fixed on the incinerator 5 inner walls. The combustion assembly includes a gas head 19, the top of the gas head 19 is provided with a gas cover 20 with a trapezoidal cross section, and the top of the gas cover 20 is provided with an openable and closable dust cover 21. It should be understood that: the rubbish burns on the receiving net 18, and the aperture of the receiving net 18 is less than the aperture of the grid net 6, so as to prevent the garbage from falling from the receiving net 18 before burning. The purpose of setting the cross section of the gas cover 20 into a trapezoid is mainly to reduce the aperture of the gas head 19 and increase the pressure of gas injection, thereby increasing the flame height of gas combustion. The top of the gas hood 20 is provided with a dustproof cover 21 mainly to prevent the ashes from burning the garbage from falling into the gas hood 20 and causing blockage, so that the combustion work cannot be realized. Moreover, in the process of burning the garbage, because the gas passed into the incinerator 5 from the drying oven 40 will increase the temperature of the combustion gas, thereby making the garbage burn more fully and reducing the generation of toxic and harmful gases.

The specific setting method of the dust cover 21 is: on the side wall of the gas cover 20, a protective cover 22 is symmetrically fixed, and in each protective cover 22, a connecting plate 23 is hinged on the side wall of the gas cover 20, and the connecting plate 23 and A spring 24 is fixed between the side walls of the gas cover 20, a support rod 25 is fixed on the top of the connecting plate 23, the other end of the support rod 25 is fixed with the dustproof cover 21, and the protective cover 22 is provided with a bar for the support rod 25 to move. Shaped through-hole 26, the length of strip-shaped through-hole 26 is greater than the path in the rotation process of dustproof cover 21, and two corresponding dustproof covers 21 merge and cover the outlet of gas cover 20. The specific process is: after the gas is passed into the gas pipe 17, the gas enters each gas head 19, and the dust cover 21 is washed away, and it is ejected from the gas cover 20, and the ignition is carried out at the side of the incinerator 5. An ignition port is arranged on the wall, and artificial ignition is carried out by an igniter. The ignition is a conventional setting, which can be set according to the actual situation. When the dust-proof cover 21 receives the impulse force from the gas cover 20 , the connecting plate 23 compresses the spring 24 , so that the two combined dust-proof covers 21 are opened. After the gas cover 20 is no longer ventilated, the spring will apply a reaction force to the connecting plate 23, so that the two dust-proof covers 21 are combined again to cover the outlet of the gas cover 20.

Further, in order to prevent the garbage ashes falling from the receiving net 18 from accumulating on the gas pipe 17, a dust cover 56 can be set on the gas pipe 17, the dust cover 56 is in the shape of a "herringbone", and a gas supply head 19 is provided to wear it. Through the through hole, the ashes of rubbish are slipped to the bottom of incinerator 5 from the side wall of dust cover 56, and the section of bottom of incinerator 5 is inverted trapezoidal, avoids that rubbish ash is piled up in the bottom of incinerator 5.

It should be noted that: the bearings used in the present invention are all sealed bearings, and the incinerator 5 and all parts in the incinerator 5 are all made of existing high-temperature-resistant materials. A plurality of connection holes are arranged on the side wall of the incinerator 5 between the grid net and the receiving net, which is convenient for utilizing the heat in the incinerator 5 to generate electricity, and to discharge the gas generated by burning garbage in the incinerator 5 for waste gas treatment, Of course, it can also be used as other processing, and it can be operated according to actual needs.

In describing the present invention, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientations or positional relationships indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention, rather than indicating or It should not be construed as limiting the invention by implying that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation.

The above-mentioned embodiments are only to describe the preferred mode of the present invention, not to limit the scope of the present invention. Without departing from the design spirit of the present invention, those skilled in the art may make various Variations and improvements should fall within the scope of protection defined by the claims of the present invention.

Claims (5)

1. The utility model provides a rubbish reducing mechanism which characterized in that: the crushing furnace comprises a crushing furnace (28) with a feeding hole (27) at the top, a screen (29) is transversely arranged in the crushing furnace (28), an annular net (30) is arranged at the bottom of the crushing furnace (28), a rotating shaft (31) is vertically arranged in the crushing furnace (28), the rotating shaft (31) sequentially penetrates through the annular net (30) and the screen (29) and one end extending out of the bottom of the crushing furnace (28) is connected with a second motor (32), one end extending out of the top of the crushing furnace (28) is fixed with the crushing furnace (28) through a bearing, and a plurality of crushing assemblies are transversely arranged on the rotating shaft (31) and above the screen (29);

two groups of crushing assemblies are transversely arranged below the screen (29) and on the side wall of the crushing furnace (28) respectively, and are arranged on two sides of the rotating shaft (31);

two groups of smashing components are arranged below the crushing component and are correspondingly arranged on two sides of the rotating shaft (31);

the smashing assembly comprises a transmission shaft (37) transversely arranged in the smashing furnace (28), a plurality of smashing assemblies are vertically arranged on the transmission shaft (37), one end of the transmission shaft (37) is fixed on the side wall of the smashing furnace (28) through a bearing, the other end of the transmission shaft is connected with a first bevel gear (38), and the first bevel gear (38) is meshed with a second bevel gear (39) fixed on the transmission shaft (37).

2. A waste crushing apparatus according to claim 1, wherein: crushing unit includes U type connecting rod (33), the other end of U type connecting rod (33) rotates and is connected with cutter (34), the both sides and the point portion of cutter (34) all are provided with the cutting edge, the length in the U type groove of seting up on U type connecting rod (33) is greater than the length of cutter (34).

3. A waste crushing apparatus according to claim 2, wherein: crushing subassembly includes two corresponding live rollers (35), the both ends of live roller (35) through the pivot with crushing stove (28) rotatable coupling, be provided with a plurality of in the circumference of live roller (35) and press tooth (36), two press tooth (36) on live roller (35) and mesh mutually, stretch out outside crushing stove (28) lateral wall be connected with the third motor through the belt in the pivot.

4. A waste crushing apparatus as set forth in claim 1, wherein: a guide groove (54) with the bottom inclined towards one side is fixed at the bottom of the crushing furnace (28), and an opening is arranged at the lowest inclined position.

5. A waste comminution device as in claim 4 in which: the bottom of the guide groove (54) is provided with a through hole for the rotating shaft (31) to pass through, a protective sleeve (55) is arranged on the rotating shaft (31) in the guide groove (54), one end of the protective sleeve (55) is fixed at the bottom of the crushing furnace (28), and the other end of the protective sleeve (55) penetrates through the guide groove (54) to be placed on or fixed on the second motor (32).

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