CN112844751A

CN112844751A - High-efficient reducing mechanism of domestic waste

Info

Publication number: CN112844751A
Application number: CN202110018029.2A
Authority: CN
Inventors: 孙建
Original assignee: Suzhou Industrial Park Institute of Services Outsourcing
Current assignee: Suzhou Industrial Park Institute of Services Outsourcing
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-05-28
Anticipated expiration: 2041-01-07
Also published as: CN112844751B

Abstract

The invention belongs to the technical field of household garbage treatment equipment, and particularly relates to a household garbage efficient crushing device which comprises a first conveying belt, a drying device, a second conveying belt, an alternate crushing device and a controller, wherein the drying device comprises a drying box body, an air heating mechanism and a plurality of third conveying belts which are arranged in the drying box body and used for alternately conveying garbage from top to bottom and from left to right, and a plurality of micro-vibration mechanisms are arranged in the drying box body at equal intervals corresponding to the upper section belt and the lower section belt of the third conveying belts. According to the household garbage drying device, the household garbage materials are dried by additionally arranging the drying device, so that the household garbage materials are fully contacted with high-temperature gas, the drying efficiency is improved, the purpose of facilitating garbage crushing is achieved, and the garbage crushing efficiency is effectively improved; the crushing cutter roller set can be replaced in time, the motor or the bearing is prevented from being damaged under the high-temperature environment due to long-time continuous work, the stability and the reliability of the device are guaranteed, and the maintenance period of the device is effectively prolonged.

Description

High-efficient reducing mechanism of domestic waste

Technical Field

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

Background

Along with the rapid development of the socioeconomic rapid progress of China and the rapid improvement of the living standard of people, the garbage generated in the urban production and living process is rapidly increased, and the domestic garbage occupies land, pollutes the environment and has more obvious influence on the health of people. The increasing of the amount of municipal domestic waste makes the waste treatment more and more difficult, and the problems of environmental pollution and the like caused by the increase gradually draw attention from all social circles. In China, to realize industrialization, resource utilization, reduction and harmlessness of municipal domestic garbage, domestic garbage which is mixed for collection, has low content and heat value of recoverable substances and high water content and biodegradable organic content of the garbage must be confronted. In response to these problems, various techniques are also applied.

Household garbage can be generally divided into four categories: can recover garbage, kitchen garbage, harmful garbage and other garbage. The common garbage methods mainly include comprehensive utilization, sanitary landfill, incineration and composting. The landfill is an effective method for consuming a large amount of municipal domestic garbage and is also a final treatment method for all residues of the garbage treatment process, and the garbage is subjected to biological, physical and chemical changes in a landfill site to decompose organic matters, so that the aims of reduction and harmlessness are fulfilled. The existing household garbage landfill treatment method is to directly landfill the household garbage materials, the landfill mode is too simple and convenient, the utilization rate of unit landfill space is low due to the fact that large gaps exist among the household garbage waste materials, the landfill amount cannot be improved to the maximum extent, and a household garbage efficient smashing device is lacked so as to meet the requirement of improving the landfill amount of the household garbage in the unit landfill space.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a household garbage efficient crushing device, which solves the problems that the existing household garbage burying treatment method is to directly bury household garbage materials, the burying mode is too simple and convenient, the utilization rate of a unit burying space is low due to large gaps among the household garbage waste materials, the burying amount cannot be improved to the maximum extent, and the requirement of improving the burying amount of the household garbage waste materials in the unit burying space is met due to the lack of a household garbage efficient crushing device.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a high-efficiency household garbage crushing device comprises a first conveying belt, a drying device, a second conveying belt, an alternate crushing device and a controller, wherein the drying device comprises a drying box body, an air heating mechanism and a plurality of third conveying belts which are arranged inside the drying box body and used for alternatively conveying garbage from top to bottom and left and right, a plurality of micro-vibration mechanisms are arranged inside the drying box body and correspond to upper and lower sections of the third conveying belts at equal intervals, the micro-vibration mechanisms comprise motors, synchronous transmission chain wheel mechanisms, transmission shafts, loop bars, supporting springs, connecting seats, vibrators and guide rollers, two adjacent transmission shafts are driven by the motors and synchronously rotate through the synchronous transmission chain wheel mechanisms, the loop bars are sleeved on the transmission shafts, the supporting springs are uniformly distributed along the circumferential direction of the loop bars, one end of each supporting spring, which is far away from the loop bars, is connected with one connecting seat, and the vibrators are fixedly arranged on, the deflector roll passes through movable mounting seat fixed mounting on the connecting seat, the deflector roll be in when the highest peak value height with the third conveyer belt upper segment take the bottom butt to the messenger is in the domestic waste material on the third conveyer belt and takes place to vibrate, the lateral part that corresponds the third conveyer belt on the inside wall of stoving box evenly installs hot gas shower nozzle, the hot air exitus of air heating mechanism is connected with main heat supply pipeline, it has first fan to establish ties on the main heat supply pipeline, main heat supply pipeline passes through heat supply branch pipe and is connected with hot gas shower nozzle, the discharge end of first conveyer belt runs through to the inside top position that corresponds to be in the first third conveyer belt feed end in top of stoving box.

The feeding end of the second conveyor belt penetrates through the drying box body to a position below the discharging end of a third conveyor belt at the tail position of the bottom, the discharging end of the second conveyor belt penetrates through the top position of an inner cavity of an alternative crushing device, the alternative crushing device comprises a crushing box body, a fourth conveyor belt and two crushing cutter roller groups which are symmetrically arranged below the left end and the right end of the fourth conveyor belt in a bilateral mode, the fourth conveyor belt is arranged in the crushing box body and corresponds to the position below the discharging end of the second conveyor belt, the fourth conveyor belt is driven by a forward and reverse material conveying motor to realize left and right bidirectional material conveying, the two crushing cutter roller groups are respectively composed of two cutter rollers which are in relative meshing motion, the two crushing cutter rollers are respectively driven by a first driving motor and a second driving motor which are in synchronous motion to rotate, and a bearing for supporting the crushing cutter roller shafts is arranged on the inner wall of the crushing box body, alternate reducing mechanism still includes the first temperature sensor group that is used for measuring the inside operating temperature of first driving motor and second driving motor and is used for measuring bearing operating temperature's second temperature sensor group, just reverse biography material motor, first driving motor, second driving motor, first temperature sensor group and second temperature sensor group respectively with controller electric connection, just reverse biography material motor, first driving motor, second driving motor, first temperature sensor group, second temperature sensor group and controller constitute and are used for two alternative crushing control system who smashes work of smashing the rotor group.

As a preferred technical scheme of the invention, the household garbage efficient crushing device further comprises a waste gas purification device matched with the drying device, wherein the waste gas purification device comprises a purification mechanism, a second fan and a suction fan cover, the suction fan cover is respectively arranged at a feed inlet of the drying box body corresponding to the first conveyor belt, a discharge outlet of the drying box body corresponding to the second conveyor belt and a waste heat outlet at the top end of the side wall of the drying box body, the suction fan cover is connected with the purification mechanism through a heat exhaust pipe, and the second fan is connected in series with the heat exhaust pipe.

As a preferable technical solution of the present invention, the third conveyor belt is provided with at least five, and the micro-vibration mechanisms arranged at equal intervals between the upper and lower belt sections of each third conveyor belt are provided with at least five.

As a preferred technical scheme of the present invention, the bottom of the crushing box body is arranged in a hopper shape, the inside of the crushing box body corresponding to the position between the fourth conveyor belt and the two crushing cutter roller sets is provided with a material guiding sloping plate arranged in an inverted "eight" shape, and the material guiding direction of the material guiding sloping plate arranged in the inverted "eight" shape corresponds to the concentrated crushing area of the two crushing cutter rollers.

As a preferable technical scheme of the invention, the controller adopts an 80C51 singlechip.

As a preferred technical solution of the present invention, the first temperature sensor group is composed of temperature sensors corresponding to the total number of the first driving motor and the second driving motor, the second temperature sensor group is composed of temperature sensors corresponding to the number of the bearings, and the temperature sensors are PT100 temperature sensors.

(III) advantageous effects

Compared with the prior art, the invention provides a high-efficiency household garbage crushing device which has the following beneficial effects:

1. this high-efficient reducing mechanism of domestic waste carries out the drying to the domestic waste material through addding drying device, utilizes the mechanism that shakes a little to make the material take place to vibrate on the conveyer belt, makes material and high temperature gas fully contact then, improves drying efficiency to reach and do benefit to the kibbling purpose of rubbish, effectively improve rubbish crushing efficiency.

2. This high-efficient reducing mechanism of domestic waste optimizes through the rubbish crushing structure to traditional, and the operating temperature of real-time collection system driving motor and bearing in time smashes the cutter roller set and replaces when the operating temperature value of driving motor or bearing is greater than the default, avoids leading to motor or bearing impaired under high temperature environment because long-time continuous work, guarantees the stability and the reliability of device, effective extension means's maintenance cycle.

3. This high-efficient reducing mechanism of domestic waste adds exhaust gas purification device in order to reach the purpose of purifying high temperature waste gas, avoids in the direct emission of the hot waste gas that produces when the rubbish material is dried atmospheric environment, satisfies high feature of environmental protection nature processing demand.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the drying cabinet of the present invention;

FIG. 3 is a schematic structural diagram of a micro-vibration mechanism according to the present invention;

FIG. 4 is a schematic view showing the internal structure of the pulverizing casing according to the present invention;

FIG. 5 is a system schematic block diagram of an alternate shredding control system of the present invention.

In the figure: 1. a first conveyor belt; 2. a drying device; 201. drying the box body; 202. an air heating mechanism; 203. a third conveyor belt; 204. a micro-vibration mechanism; 2041. a drive shaft; 2042. a loop bar; 2043. a support spring; 2044. a connecting seat; 2045. a vibrator; 2046. a guide roller; 205. a hot gas showerhead; 206. a primary heat supply pipeline; 207. a first fan; 3. a second conveyor belt; 4. an alternate comminution device; 401. a crushing box body; 402. a fourth conveyor belt; 403. a crushing cutter roller set; 404. a positive and negative rotation material conveying motor; 405. a first drive motor; 406. a second drive motor; 407. a bearing; 408. a first temperature sensor group; 409. a second temperature sensor group; 410. a material guiding inclined plate; 5. a controller; 6. an exhaust gas purification device; 601. a purification mechanism; 602. a second fan; 603. a suction fan cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: a high-efficiency household garbage crushing device comprises a first conveyor belt 1, a drying device 2, a second conveyor belt 3, an alternate crushing device 4 and a controller 5, wherein the drying device 2 comprises a drying box body 201, an air heating mechanism 202 and a plurality of third conveyor belts 203 which are arranged inside the drying box body 201 and used for alternately transmitting garbage from top to bottom and from left to right, a plurality of micro-vibration mechanisms 204 are arranged inside the drying box body 201 at equal intervals corresponding to the upper section belts and the lower section belts of the third conveyor belts 203, each micro-vibration mechanism 204 comprises a motor, a synchronous transmission chain wheel mechanism, a transmission shaft 2041, a loop bar 2042, supporting springs 2043, connecting seats 2044, a vibrator 2045 and guide rollers 2046, two adjacent transmission shafts 2041 are driven by the motors and synchronously rotate by the synchronous transmission chain wheel mechanism, the loop bar 2042 is sleeved on the transmission shafts 2041, the supporting springs 2043 are uniformly distributed along the circumferential direction of the loop bar 2042, one end, far away from the loop bar 204, vibrator 2045 fixed mounting is on the lateral wall of connecting seat 2044, deflector roll 2046 is on connecting seat 2044 through movable mounting seat fixed mounting, deflector roll 2046 is when the highest peak value height with third conveyer belt 203 upper segment area bottom butt, and make the domestic waste material that is in on the third conveyer belt 203 take place to vibrate, the lateral part that corresponds third conveyer belt 203 on the inside wall of stoving box 201 evenly installs hot gas shower nozzle 205, the hot-blast exit of air heating mechanism 202 is connected with main heat supply pipeline 206, it has first fan 207 to establish ties on the main heat supply pipeline 206, main heat supply pipeline 206 passes through heat supply branch pipe and is connected with hot gas shower nozzle 205, the discharge end of first conveyer belt 1 runs through to the inside top position that corresponds in top first third conveyer belt 203 feed end of stoving box 201.

The feeding end of the second conveyor belt 3 penetrates through the drying box 201 to a position below the discharging end of a third conveyor belt 203 at the bottom end, the discharging end of the second conveyor belt 3 penetrates through the top of an inner cavity of the alternative crushing device 4, the alternative crushing device 4 comprises a crushing box 401, a fourth conveyor belt 402 and two crushing cutter roller sets 403 which are symmetrically arranged below the left end and the right end of the fourth conveyor belt 402 in a left-right mode, the fourth conveyor belt 402 is installed in the crushing box 401 and corresponds to the position below the discharging end of the second conveyor belt 3, the fourth conveyor belt 402 is driven by a forward and reverse material conveying motor 404 to realize left-right bidirectional material conveying, the two crushing cutter roller sets 403 are respectively composed of two cutter rollers which are in relative meshing motion, the two crushing cutter rollers are respectively driven by a first driving motor 405 and a second driving motor 406 which are in synchronous motion to do rotary motion, a bearing 407 for supporting the crushing cutter rollers is arranged on the inner wall of the crushing box, the alternate crushing device 4 further comprises a first temperature sensor group 408 for measuring the internal working temperature of the first driving motor 405 and the second driving motor 406 and a second temperature sensor group 409 for measuring the working temperature of the bearing 407, the forward and reverse material conveying motor 404, the first driving motor 405, the second driving motor 406, the first temperature sensor group 408 and the second temperature sensor group 409 are respectively and electrically connected with the controller 5, and the forward and reverse material conveying motor 404, the first driving motor 405, the second driving motor 406, the first temperature sensor group 408, the second temperature sensor group 409 and the controller 5 form an alternate crushing control system for alternate crushing work of the two crushing knife roller groups 403.

Specifically, the high-efficient reducing mechanism of domestic waste still includes the exhaust gas purification device 6 with supporting use of drying device 2, exhaust gas purification device 6 includes purification mechanism 601, second fan 602 and suction fan housing 603, suction fan housing 603 arranges respectively in the feed inlet that drying box 201 corresponds first conveyer belt 1, the discharge gate that corresponds second conveyer belt 3 and the lateral wall top waste heat export of drying box 201, suction fan housing 603 is connected with purification mechanism 601 through the heat extraction pipe, second fan 602 is established ties on the heat extraction pipe.

In this embodiment, through setting up the exhaust gas purification device 6 who uses with drying device 2 is supporting, when smashing the domestic waste material, drying device 2 can play the effect of stoving domestic waste material, the domestic waste material after the drying more does benefit to and smashes and collects, avoid the sewage crossing current, harmful in the waste gas for avoiding the production when drying rubbish simultaneously, poisonous and foul gas distributes in the air, through starting second fan 602, make suction fan housing 603 produce suction, the feed inlet that will dry box 201 corresponds first conveyer belt 1, the waste heat gas that corresponds the discharge gate of second conveyer belt 3 and the lateral wall top waste heat export of drying box 201 is pumped to purifying mechanism 601 through the heat extraction pipe and is purified the emission, discharge after making waste gas reach emission standard, more environmental protection.

Specifically, at least five third conveyor belts 203 are provided, and at least five micro-vibration mechanisms 204 are provided between the upper and lower belts of each third conveyor belt 203 and arranged at equal intervals.

Specifically, the bottom of the crushing box 401 is in a bucket shape, a material guide inclined plate 410 arranged in an inverted 'eight' shape is arranged between the fourth conveying belt 402 corresponding to the inside of the crushing box 401 and the two crushing cutter roller sets 403, and the material guide direction of the material guide inclined plate 410 arranged in the inverted 'eight' shape corresponds to the concentrated crushing area of the two crushing cutter rollers.

In this embodiment, the material guide sloping plate 410 arranged in an inverted 'eight' shape is arranged between the fourth conveyor belt 402 and the two crushing cutter roller sets 403, so that the material guide function of the household garbage materials can be eliminated, the household garbage materials are prevented from scattering in the crushing dead angle in the collision process, and sufficient crushing is ensured.

Specifically, the controller 5 adopts an 80C51 single chip microcomputer.

Specifically, the first temperature sensor group 408 is composed of temperature sensors corresponding to the total number of the first driving motor 405 and the second driving motor 406, the second temperature sensor group 409 is composed of temperature sensors corresponding to the number of the bearings 407, and the temperature sensors are PT100 temperature sensors.

The working principle and the using process of the invention are as follows: when the device works, the drying device 2 is started in advance, the set of crushing cutter roller sets 403 in the alternative crushing device 4 is driven to work, air is heated by the air heating mechanism 202, hot air is conveyed into each heat supply branch pipe through the main heat supply pipeline 206 under the action of the first fan 207, then the hot air is supplied to each hot air spray head 205 by each heat supply branch pipe, the hot air is supplied to the drying box body 201 through the hot air spray head 205, household garbage materials are slowly dumped onto the feeding end of the first conveying belt 1, the household garbage materials are conveyed to the third conveying belt 203 positioned at the top of the inner cavity of the drying box body 201 by the first conveying belt 1, then the household garbage materials are conveyed upwards through the plurality of third conveying belts 203 which are alternately conveyed from top to bottom and from left to right, the household garbage materials are dried by high-temperature gas sprayed from the hot air spray heads 205 in the process of conveying the garbage, and the synchronous transmission chain wheel, each transmission shaft 2041 is rotated to drive the loop bar 2042 and the guide roller 2046 arranged on the loop bar 2042 to rotate, the guide roller 2046 is slightly vibrated by the vibrator 2045, and then the upper section belt of the third conveyor belt 203 is driven to intermittently vibrate in the intermittent contact process between the guide roller 2046 and the upper section belt of the third conveyor belt 203, so that the household garbage materials on the third conveyor belt vibrate, and the household garbage materials are fully contacted with high-temperature gas in the vibrating and conveying process, so that the quick drying is realized; the household garbage materials after the rapid drying are transmitted to the interior of the alternate crushing device 4 through the second conveyor belt 3, the household garbage materials on the third conveyor belt 203 are received through the fourth conveyor belt 402, the household garbage materials on the fourth conveyor belt 402 are transmitted leftwards or rightwards by controlling the forward and reverse rotating material transmission motor 404 to rotate forwards and backwards, the household garbage materials are crushed through the crushing knife roll set 403 after being guided by the guide inclined plate 410, and the crushed materials are discharged through the hopper-shaped discharge hole at the bottom of the crushing box body 401;

during the operation of the alternate shredding mechanism 4, the internal operating temperatures of the first drive motor 405 and the second drive motor 406 are measured in real time by the first temperature sensor group 408, the operating temperature of the bearing 407 is measured in real time by the second temperature sensor group 409, when the measured driving electric internal operating temperature value or the bearing 407 operating temperature value is greater than the maximum temperature value set by the controller 5, namely, the controller 5 controls the crushing cutter roller group 403 in the working state to stop working, and simultaneously drives the forward and reverse rotation material conveying motor 404 to change the rotation direction of the rotating shaft to rotate reversely, thereby driving the garbage materials dropped onto the fourth conveyor belt 402 to be conveyed in the opposite direction, and controlling the operation of the other set of the first driving motor 405 and the second driving motor 406, so that the garbage crushing work is started by the other crushing blade roller group 403 and the two crushing blade roller groups 403 are automatically and alternately operated by means of temperature detection.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high-efficient reducing mechanism of domestic waste, includes first conveyer belt (1), drying device (2), second conveyer belt (3), reducing mechanism (4) and controller (5) in turn, its characterized in that: the drying device (2) comprises a drying box body (201), an air heating mechanism (202) and a plurality of third conveyor belts (203) which are arranged inside the drying box body (201) and used for conveying garbage from top to bottom in a left-right alternating mode, a plurality of micro-vibration mechanisms (204) are arranged between upper and lower sections of the inner portion of the drying box body (201) corresponding to the third conveyor belts (203) at equal intervals, each micro-vibration mechanism (204) comprises a motor, a synchronous transmission chain wheel mechanism, a transmission shaft (2041), a sleeve rod (2042), a supporting spring (2043), a connecting seat (2044), a vibrator (2045) and guide rollers (2046), two adjacent transmission shafts (2041) are driven by the motors and synchronously rotate through the synchronous transmission of the synchronous transmission chain wheel mechanisms, the sleeve rods (2042) are sleeved on the transmission shafts (2041), the supporting springs (2043) are circumferentially and uniformly distributed along the sleeve rods (2042), one end, far away from the sleeve rod (2042), of each supporting spring (2043), the vibrator (2045) is fixedly arranged on the side wall of the connecting seat (2044), the guide roller (2046) is fixedly arranged on the connecting seat (2044) through a movable mounting seat, the guide roller (2046) is abutted against the bottom of the upper section belt of the third conveyor belt (203) when being at the highest peak height, and the household garbage materials on the third conveyor belt (203) vibrate, hot air spray heads (205) are uniformly arranged on the inner side wall of the drying box body (201) corresponding to the side part of the third conveyor belt (203), the hot air outlet of the air heating mechanism (202) is connected with a main heat supply pipeline (206), a first fan (207) is connected in series on the main heat supply pipeline (206), the main heat supply pipeline (206) is connected with a hot gas spray head (205) through a heat supply branch pipe, the discharge end of the first conveyor belt (1) penetrates through the inside of the drying box body (201) and is correspondingly positioned above the feed end of a top first third conveyor belt (203);

the feed end of second conveyer belt (3) runs through to inside the corresponding below position that is in bottom end position third conveyer belt (203) discharge end of stoving box (201), the discharge end of third conveyer belt (203) runs through to the inner chamber top position of alternative reducing mechanism (4), alternative reducing mechanism (4) is including smashing box (401), fourth conveyer belt (402) and bilateral symmetry arrange in two crushing cutter roller group (403) of the left and right sides end below of fourth conveyer belt (402), fourth conveyer belt (402) are installed and are being corresponded second conveyer belt (3) discharge end below position in smashing box (401) inside, both sides bi-directional biography material is realized through the drive of just reversing material transfer motor (404) in fourth conveyer belt (402), and two crushing cutter roller group (403) constitute by two rotor bars of relative meshing motion respectively, and two crushing cutter rollers are driven through first driving motor (405) and second driving motor (406) of simultaneous motion respectively and are made the drive and are made The inner wall of the crushing box body (401) is provided with a bearing (407) for supporting a crushing knife roll shaft, the alternate shredding device (4) further comprises a first temperature sensor group (408) for measuring the internal operating temperature of the first drive motor (405) and the second drive motor (406) and a second temperature sensor group (409) for measuring the operating temperature of the bearings (407), the positive and negative rotation material transmission motor (404), the first driving motor (405), the second driving motor (406), the first temperature sensor group (408) and the second temperature sensor group (409) are respectively electrically connected with the controller (5), the positive and negative rotation material conveying motor (404), the first driving motor (405), the second driving motor (406), the first temperature sensor group (408), the second temperature sensor group (409) and the controller (5) form an alternate crushing control system for alternate crushing work of the two crushing knife roller groups (403).

2. The efficient household garbage crushing device as claimed in claim 1, wherein: high-efficient reducing mechanism of domestic waste still includes with supporting exhaust gas purification device (6) of using of drying device (2), exhaust gas purification device (6) are including purification mechanism (601), second fan (602) and suction fan housing (603), suction fan housing (603) are arranged respectively in the feed inlet that stoving box (201) corresponds first conveyer belt (1), the discharge gate that corresponds second conveyer belt (3) and the lateral wall top waste heat export of stoving box (201), suction fan housing (603) are connected with purification mechanism (601) through the heat extraction pipe, second fan (602) are established ties on the heat extraction pipe.

3. The efficient household garbage crushing device as claimed in claim 1, wherein: the number of the third conveyor belts (203) is at least five, and the number of the micro-vibration mechanisms (204) which are arranged between the upper and lower sections of the third conveyor belts (203) at equal intervals is at least five.

4. The efficient household garbage crushing device as claimed in claim 1, wherein: the bottom of smashing box (401) is the setting of hopper-shaped, the inside of smashing box (401) corresponds and all is equipped with between fourth conveyer belt (402) and two crushing knife roller group (403) and is the guide swash plate (410) that "eight" font was arranged, and the guide direction that is guide swash plate (410) that "eight" font was arranged is corresponding with the concentrated crushing district of two crushing knife roller.

5. The efficient household garbage crushing device as claimed in claim 1, wherein: the controller (5) adopts an 80C51 singlechip.

6. The efficient household garbage crushing device as claimed in claim 1, wherein: the first temperature sensor group (408) is composed of temperature sensors corresponding to the total number of the first driving motor (405) and the second driving motor (406), the second temperature sensor group (409) is composed of temperature sensors corresponding to the number of the bearings (407), and the temperature sensors adopt PT100 temperature sensors.