CN105436189B - Consumer waste innocent production line - Google Patents

Abstract

The invention discloses a harmless domestic garbage production line, which includes a first belt conveyor, a garbage stamper, a second belt conveyor, a metal sorting device, a garbage crusher, a negative pressure conveyor, a first settling box, The first screw conveyor, the second settling tank, the heating screw conveyor, the vibrating screen, the second screw conveyor and the granulator; On the second belt conveyor, the metal sorting device sorts out the metal materials, and then transports them to the garbage crusher for crushing, and then is transported to the first settling box and the second settling box by the negative pressure conveyor, and then the domestic waste is output to The heated screw conveyor is sterilized and dried, and then output to the vibrating screen, and then transported by the second screw conveyor into the granulator to make granular materials. Household garbage can be used as raw material for production after being made into granules through the above-mentioned production line of the present invention, and can be recycled.

Description

Domestic waste harmless production line

technical field

The invention relates to a harmless domestic garbage production line.

Background technique

At present, the main treatment methods of domestic garbage (kitchen waste) are: one is the landfill method. The leachate and odor pollution produced by this method are serious, and the landfill area is likely to cause soil and groundwater pollution. The second is the incineration method, which will produce a large amount of harmful gas during the treatment process. If the fly ash produced by incineration is not properly disposed of, it will cause pollution to the environment and air pollution.

Contents of the invention

The object of the present invention is to provide a harmless domestic garbage production line, which can recycle the domestic garbage after treatment.

In order to achieve the purpose of the above invention, the present invention provides a harmless production line for domestic waste, including a first belt conveyor, a garbage stamper, a second belt conveyor, a metal sorting device, a garbage crusher, and a negative pressure conveyor , the first settling tank, the first screw conveyor, the second settling tank, the heating screw conveyor, the vibrating screen, the second screw conveyor and the granulator; The domestic waste shredded by the garbage smasher falls on the second belt conveyor, and the metal sorting device is installed at the end of the second belt conveyor. After the domestic waste passes through the metal sorting device, the metal substances in it are sorted out. , the rest of the domestic waste is transported to the garbage crusher for crushing, the crushed domestic waste is transported to the first settling tank by the negative pressure conveyor, and the settled domestic waste is transported to the second settling tank by the first screw conveyor for further processing. Re-sedimentation, the domestic waste after re-sedimentation in the second settling tank is output to the heating screw conveyor, and the heating screw conveyor heats, disinfects and dries the domestic waste and then outputs it to the vibrating screen to screen out impurities in the domestic waste. The domestic waste filtered by the vibrating screen is conveyed into the granulator through the second screw conveyor, and the granulator makes the domestic waste into granular materials.

As an improvement of the present invention, the rubbish stamping machine includes a casing, a funnel-shaped feed inlet arranged on the upper part of the casing, two adjacent tamping knives arranged on the inside of the casing and adjacent to the feed inlet, and a A spiral cross-cutting knife and a roller are located inside the casing and below the two tamping knives, and two relatively inclined material guide plates are arranged inside the casing and below the two tamping knives.

As an improvement of the present invention, the two ends of the two ramming knives are fixed to the casing, and each ramming knife is provided with a number of protruding teeth and adjacent recesses, and the two ramming knives are parallel to each other. Adjacent to the arrangement, the teeth of one of the ramming cutters are engaged with the recessed portion of the other ramming cutter, and a gap is provided between the top of the cutter teeth and the bottom of the corresponding recessed portion.

As an improvement of the present invention, the two ends of the spiral cross-cutter are rotatably fixed to the casing, the periphery of the spiral cross-cutter is provided with spiral teeth, and the two ends of the roller are rotatably fixed to the casing. The roller and the helical cross cutter are axially arranged in parallel with a certain distance.

As an improvement of the present invention, a gap is provided between the two ends of the roller away from the side of the helical cross cutter and the casing, and a coil spring is provided between the two ends of the roller and the casing, so that the roller Tends to be closer to the helical cross-cutter.

As an improvement of the present invention, the stamping knife, the spiral cross-cutting knife and the roller are all driven by electric motors to rotate.

As an improvement of the present invention, the garbage crusher includes a shell, a sieve plate located in the middle of the inner cavity of the shell, a crushing device, a blower, and a discharge pipe. It is divided into a crushing chamber at the upper part and a storage chamber at the lower part. The crushing chamber is connected with the feeding port. The blower and the discharge pipe are respectively arranged on both sides of the storage chamber. The crushing device is rotatably installed in the crushing chamber. The domestic garbage crushed by the device enters the storage room after being screened by the sieve plate, and the blower blows the finely crushed domestic garbage to the discharge pipe and blows it out through the discharge pipe.

As an improvement of the present invention, the crushing device includes a rotating shaft, several crushing knives fixedly arranged on the periphery of the rotating shaft, and several crushing hammers pivotally connected to the ends of the crushing knives. An external motor drives the rotation.

As an improvement of the present invention, the crushing chamber is provided with an arc-shaped baffle adjacent to the feed inlet, and an arc-shaped reinforcement plate is fixed inside the baffle, and a number of sawtooths are provided on the side of the reinforcement plate facing the crushing chamber.

As an improvement of the present invention, the heating screw conveyor comprises a cylindrical casing, a screw rod arranged in the casing, a feeding port with an upward opening on the upper part of the first end of the casing, and a second end of the casing. The discharge port with the lower opening facing downward, the exhaust pipe arranged at the upper part of the second end of the casing, the infrared heater arranged outside the middle part of the casing, and the heat insulation layer surrounding the outer part of the infrared heater.

Compared with the prior art, domestic garbage can be used as raw materials for production after passing through the above-mentioned production line of the present invention, and then recycled.

Description of drawings

The following describes in detail the domestic garbage harmless production line and its beneficial effects in combination with the accompanying drawings and specific implementation methods.

Fig. 1 is the structural representation of the production line of domestic garbage harmlessness of the present invention;

Fig. 2 is the enlarged schematic diagram of the structure of the first half of the production line for domestic waste harmlessness in Fig. 1;

Fig. 3 is the enlarged schematic diagram of the structure of the second half of the production line for domestic waste harmlessness in Fig. 1;

FIG. 4A is a schematic structural view of the garbage compactor in FIG. 1 .

FIG. 4B is a schematic cross-sectional view along the A-A direction in FIG. 4A .

FIG. 4C is a schematic cross-sectional view along the B-B direction in FIG. 4A .

FIG. 5A is a schematic structural diagram of the garbage crusher in FIG. 1 .

Fig. 5B is a side view schematic diagram of the garbage crusher in Fig. 5A.

Fig. 6 is a schematic structural view of the heating screw conveyor in Fig. 1 .

Detailed ways

In order to make the purpose, technical solution and beneficial technical effects of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific implementations described in this specification are only for explaining the present invention, not for limiting the present invention.

Please refer to Fig. 1 to Fig. 3, the domestic garbage harmless production line of the present invention includes a first belt conveyor 1, a garbage stamper 2, a second belt conveyor 3, a metal sorting device 4, a garbage crusher 5, a negative pressure Conveyor 7 , first settling tank 8 , first screw conveyor 9 , second settling tank 10 , two heating screw conveyors 11 , vibrating screen 17 , second screw conveyor 18 and granulator 20 .

The first belt conveyor 1 utilizes the motor to drive the belt to transport the domestic waste to the waste stamper 2 .

Please also refer to Fig. 4A-Fig. 4C, the rubbish stamper 2 comprises a casing 21, a funnel-shaped feed inlet 22 arranged on the top of the casing 21, and two adjacent feed inlets 22 arranged on the inside top of the casing 21. Adjacent tamping knife 23, be arranged on casing 21 inside and be positioned at two helical cross cutting knives 24 and roller 25 below two tamping knives 23 and be arranged on casing 21 inside and be positioned at two relatives of two tamping knives 23 belows Inclined material guide plate 26.

Both ends of the two pounding cutters 23 are fixed to the casing 21 for rotation, and each pounding cutter 23 is provided with a plurality of protruding cutter teeth 231 and recessed portions 232 adjacent thereto. Two tamp cutters 23 are adjacently arranged in parallel, wherein the teeth 231 of one ram cutter 23 are engaged with the recess 232 of another tamp cutter 23, and the top of the cutter teeth 231 and the bottom of the corresponding recess 232 are provided with There are gaps.

Both ends of the spiral cross-cutter 24 are rotatably fixed to the casing 21 , and a spiral tooth portion 241 is provided on the periphery of the spiral cross-cutter 24 . Both ends of the roller 25 are rotatably fixed to the casing 21, and the roller 25 and the helical cross-cutting knife 24 are axially arranged in parallel with a certain distance. The two ends of roller 25 are provided with gap 27 between the side away from spiral cross cutter 24 and casing 21, and between the two ends of roller 25 and casing 21, be provided with helical spring 28, so that roller 25 tends to be close to the helical cross-cutter 24 .

In this embodiment, the stamping knife 23 , the spiral cross-cutting knife 24 and the roller 25 are all driven by electric motors to rotate.

Household waste is conveyed to the top of the waste stamper 2, and enters the casing 21 through the feed port 22. The two stamping knives 23 are engaged to roll and cut the domestic waste. The domestic waste cut by the two stamping knives 23 is generally In strip shape. The domestic waste after rolling and cutting enters between the spiral cross cutter 24 and the roller 25 through the guide of the material guide plate 26, and the tooth portion 241 of the spiral cross cutter 24 cuts off the strip-shaped domestic waste. When there is relatively hard material in the household garbage that causes the tooth portion 241 of the spiral cross-cutting knife 24 to fail to cut off, the hard domestic garbage will drive the roller 25 to retreat in a direction away from the spiral cross-cutting knife 24 so that the hard domestic garbage can pass through. To prevent the hard domestic waste from damaging the tooth portion 241 of the helical cross-cutting knife 24, the helical spring 28 is compressed. After the hard domestic garbage passes, the coil spring 28 drives the roller 25 to reset.

The domestic garbage that has been cut between the spiral cross cutter 24 and the roller 25 falls on the second belt conveyor 3, and the second belt conveyor 3 transports the domestic garbage processed by the garbage cutter 2 to the garbage crusher. 5. The end of the second belt conveyor 3 is provided with a metal sorting device 4 for sorting out metal materials in domestic waste. The metal sorting device 4 adopts the metal sorting method and structure in the prior art, which will not be repeated here.

Please refer to FIGS. 5A-5B together. The garbage crusher 5 includes a housing 51 , a sieve plate 52 located in the middle of the inner cavity of the housing 51 , a crushing device 54 , a blower 56 and a discharge pipe 57 . The top of the housing 51 is provided with a feeding port 511 . The sieve plate 52 divides the inner cavity of the casing 51 into a crushing chamber 53 located at the upper part and a storage chamber 55 located at the lower part. The crushing chamber 53 communicates with the feed port 511 . The crushing device 54 is rotatably disposed in the crushing chamber 53 . The crushing device 54 includes a rotating shaft 541 , a plurality of crushing knives 542 fixed on the periphery of the rotating shaft 541 , and a plurality of crushing hammers 543 pivotally connected to ends of the crushing knives 542 . Both ends of the rotating shaft 541 are rotatably connected to the casing 51 . The rotating shaft 541 is driven to rotate by a motor disposed outside the housing 51 . The blower 56 and the discharge pipe 57 are respectively disposed on two sides of the storage chamber 55 . The crushing chamber 53 is provided with an arc-shaped baffle 531 adjacent to the feeding port 511 . An arc-shaped reinforcing plate 532 is fixed inside the baffle 531 . The side of the reinforcing plate 532 facing the crushing chamber 53 is provided with a plurality of saw teeth 533 .

After the domestic garbage coming from the second belt conveyor 3 passes through the metal sorting device 4, the metal substances in it are sorted out, and the rest of the domestic garbage enters the crushing chamber 53 from the feeding port 511, and the domestic garbage that contacts the sawtooth 533 It is broken by sawtooth 533 first. After domestic waste enters the crushing chamber 53, the rotating shaft 541 rotates to drive the crushing knife 542 and the crushing hammer 543 to finely crush the domestic waste. After the particle size of the crushed domestic waste is small enough, it enters the storage chamber 55 through the sieve plate 52, and the blower 56 blows the finely crushed domestic waste to the discharge pipe 57 and blows it out through the discharge pipe 57.

The negative pressure conveyor 7 transports the domestic garbage blown out through the discharge pipe 57 to the first settling box 8, the dust in the domestic garbage escapes through the upper part of the first settling box 8, and the settled domestic garbage passes through the first settling box 8. The bottom of tank 8 flows out. The first screw conveyor 9 transports the domestic garbage flowing out of the first settling tank 8 to the second settling tank 10 for re-sedimentation. The domestic garbage that has been settled again through the second settling tank 10 is output to the heating screw conveyor 11 through the bottom of the second settling tank 10 .

Please also refer to Fig. 6, the heating screw conveyor 11 comprises a cylindrical shell 111, a screw rod 112 arranged in the shell 111, a feed inlet 113 with an upward opening on the upper part of the first end of the shell 111, and a The opening of the lower part of the second end of the housing 111 is the discharge port 114 facing downward, the exhaust pipe 115 arranged on the upper part of the second end of the housing 111, the infrared heater 116 arranged outside the middle part of the housing 111, and the infrared heaters surrounding it. The outer heat insulation layer 117 of the device 116. One end of the screw 112 is driven to rotate by a motor. Both the infrared heater 116 and the heat insulation layer are carried out by means of the prior art, and will not be repeated here.

The domestic waste output by the second settling tank 10 enters the inside of the shell 111 through the feed port 113 of the heating screw conveyor 11, and the screw 112 rotates to transport the domestic waste from the first end to the second end. During the conveying process, the infrared heater Step 116 heats the passing domestic garbage at high temperature, and then sterilizes and dries the domestic garbage, and the sterilized and dried domestic garbage is output from the discharge port 114 . Exhaust gas generated during the heating process is discharged from the exhaust pipe 115 .

In this embodiment, the domestic garbage output by the heating screw conveyor 11 enters the heating screw conveyor 14 for disinfection and drying again. According to the actual situation, only the heating screw conveyor 11 can be used in this production line to sterilize and dry domestic garbage once, or multiple heating screw conveyors can be used repeatedly in this production line to sterilize and dry domestic garbage multiple times .

Household garbage after the heating screw conveyor 11 is sterilized and dried enters the vibrating screen 17, and the vibrating screen 17 vibrates to remove impurities such as silt in the household garbage. The domestic waste filtered by the vibrating screen 17 is conveyed into the granulator 20 through the second screw conveyor 18, and the granulator 20 makes the domestic waste into granules.

Household garbage can be used as raw materials after being granulated through the above process. For example, a molding machine can be used to make various types of items, such as furniture boards or building bricks.

According to the disclosure and teaching of the above specification, those skilled in the art to which the present invention pertains can also make appropriate changes and modifications to the above embodiment. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should also fall within the protection scope of the claims of the present invention. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present invention.

Claims (6)

1. a kind of consumer waste innocent production line, including the first belt conveyor, rubbish smash the machine of cutting, the second belt conveyor, Metal sorting equipment, refuse grinder, negative pressure conveyer, the first settling tank, the first conveying worm, the second settling tank, heating Conveying worm, vibratory sieve, the second conveying worm and comminutor；House refuse is delivered to rubbish by the first belt conveyor The machine of cutting is smash, is smash through rubbish and cuts the broken house refuse of machine-cut and fall on the second belt conveyor, metal sorting equipment is located at the second skin The end of belt conveyor, house refuse is after metal sorting equipment, and the metallics in it is sorted out, remaining life rubbish Rubbish is conveyed to refuse grinder and crushed, and the house refuse after broken is transported to the first settling tank by negative pressure conveyer, House refuse after precipitation is conveyed to the second settling tank by the first conveying worm and precipitated again, through the second settling tank House refuse after precipitating again exports carries out heating disinfection to heating type screw conveyor, heating type screw conveyor by house refuse And exported after drying to reciprocating sieve, for screening out the impurity in house refuse, the house refuse after reciprocating sieve filters is passed through Second conveying worm delivers into comminutor, and comminutor house refuse is made granular material；

Rubbish, which smashes the machine of cutting, to be included casing, is arranged at a funnelform charging aperture on casing top, is arranged at casing internal top neighbour Nearly charging aperture two it is adjacent smash cutting knife, be arranged at casing internal and positioned at two smash spiral revolving knife below cutting knife and roller, And it is arranged at casing internal and two relatively inclined stock guides below cutting knife is smash positioned at two；

Casing is rotatably fixed at the both ends of spiral revolving knife, and the periphery of spiral revolving knife is provided with spiral teeth portion, roller Casing is rotatably fixed at the both ends of cylinder, and roller is arranged in an axially parallel mode and is spaced a distance with spiral revolving knife；

The both ends of roller are provided with gap between side and casing away from spiral revolving knife, are provided between the both ends of roller and casing Helical spring, so that roller is intended to close to spiral revolving knife；

What two both ends for smashing cutting knife rotated is fixed on casing, and each cutting knife of smashing is provided with some raised cutters tooth and adjacent thereto Depressed part, two smash that cutting knife is parallel to be disposed adjacent, wherein a cutter tooth for smashing cutting knife is meshed with another depressed part for smashing cutting knife, cutter tooth Top and the bottom of corresponding depressed part between be provided with gap.

2. consumer waste innocent production line according to claim 1, it is characterised in that smash cutting knife, spiral revolving knife and Roller is rotated by electrical motor driven.

3. consumer waste innocent production line according to claim 1, it is characterised in that refuse grinder include shell, Sieve plate, breaker, blower and discharge nozzle in the middle part of shell inner cavity, the top of shell are provided with charging aperture, and sieve plate will The inner chamber of shell is divided into superposed crushing chamber and connected positioned at the storage compartment of bottom, crushing chamber with charging aperture, blower with Discharge nozzle is respectively arranged at the both sides of storage compartment, and breaker is rotatably arranged in crushing chamber, is crushed through breaker House refuse after careful crush is blowed to discharge nozzle simultaneously by house refuse through entering storage compartment, blower after sieve plate sieving Blown out through discharge nozzle.

4. consumer waste innocent production line according to claim 3, it is characterised in that breaker includes rotating shaft, consolidated Surely some crushing cutters of rotating shaft periphery are arranged at and are articulated in some quartering hammers of crushing cutter end respectively, the both ends of rotating shaft turn Dynamic is connected to shell, and rotating shaft is rotated by being arranged at the motor of housing exterior and driving.

5. consumer waste innocent production line according to claim 4, it is characterised in that crushing chamber is set at charging aperture There is the baffle plate of arc, the reinforcing plate of an arc is installed with the inside of baffle plate, if the side towards crushing chamber of reinforcing plate is provided with Dry sawtooth.

6. consumer waste innocent production line according to claim 1, it is characterised in that heating type screw conveyor includes circle The shell of tubular, the screw rod in shell, the opening up charging aperture located at the first end top of shell, located at shell The downward opening discharging opening at the second end bottom, the blast pipe located at the top at the second end of shell, outside the middle part of shell The infrared heater of side and enclose the thermal insulation layer located at the outside of infrared heater.