Recycling system of PET bottle flakes
Technical Field
The utility model belongs to the technical field of the technique that PET bottle piece was recycled and specifically relates to a recycle system of PET bottle piece is related to.
Background
Along with the development of economic technology, people have higher and higher requirements on the environment, and the recycling of PET bottle flakes can not only solve the problem of environmental protection, but also serve as a new raw material resource, so that the resource utilization rate is improved. In the chemical fiber industry, the recycled PET bottle flakes can be used as production raw materials of regenerated fibers. In the recovery process of the PET bottle flakes, the PET bottle bodies, the covers, the labels and the like are separated, and then the bottle flakes are crushed, washed and dried.
The prior system for recycling the plastic bottles, disclosed in the chinese patent with the publication number CN206883965U, comprises a label removing device, a color sorting device, a crushing device, a washing device and a drying device which are connected in sequence, wherein the washing device comprises a hot cleaning unit and a rinsing unit, impurities in the plastic sheets are removed by a first friction cleaning machine of the hot cleaning unit, a label binder in the plastic sheets is melted by the hot cleaning machine, then impurities and residual labels in the plastic sheets processed by the hot cleaning machine are removed by a second friction cleaning machine of the rinsing unit, and impurities and bottle caps in the plastic sheets processed by the second friction cleaning machine are further removed by a rinsing tank. The central shaft of the first friction cleaning machine is provided with a waterproof spiral shaft, and the spiral shaft is provided with inclined blades, so that the plastic sheet continuously moves forwards and throws away impurities on the surface under the rotation of the spiral shaft and the washing of cleaning water.
The above prior art solutions have the following drawbacks: during the cleaning process, the bottle flakes are washed by cleaning water driven by the stirring of blades in water, the stirring range of the blades is limited, and the washing forces received by the bottle flakes at different distances from the blades are different; therefore, the bottle sheet close to the blade can be better cleaned, and the bottle sheet far away from the blade has poorer cleaning effect. Therefore, a bottle flake recycling system capable of cleaning bottle flakes at different positions more uniformly and improving the cleaning effect is needed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a recycle system of PET bottle piece can wash the bottle piece better, improves the cleaning performance.
The above object of the present invention can be achieved by the following technical solutions:
a recycling system of PET bottle flakes comprises a washing device, wherein the washing device comprises a washing box with an open top; the bottom of the cleaning box is provided with a vent plate along the length direction of the cleaning box, and the peripheries of the vent plates are connected to the inner wall of the cleaning box; the aeration plate divides the cleaning box into a cleaning cavity above the aeration plate and an air inlet cavity below the aeration plate; the aeration plate is provided with a plurality of air vents for communicating the cleaning cavity with the air inlet cavity; the air inlet cavity is communicated with an air inlet device; one end of the cleaning box is provided with a water inlet pipe along the length direction of the cleaning box, and the other end of the cleaning box is provided with a water outlet pipe along the length direction of the cleaning box; one end of the water inlet pipe and one end of the water outlet pipe are inserted into the cleaning cavity, and the other ends of the water inlet pipe and the water outlet pipe are connected to the water pump together; and one end of the water outlet pipe of the cleaning box is provided with a discharging device for conveying out the cleaned bottle flakes.
By adopting the technical scheme, after the bottle chips are placed in the cleaning box, the air inlet device continuously blows air into the air inlet cavity, so that the air continuously emerges from the air vent, the emerging air stirs the cleaning water in the cleaning cavity, the stirred cleaning water flows back and forth on the surfaces of the bottle chips and generates a certain impulsive force on the surfaces of the bottle chips, and the bottle chips are cleaned; simultaneously, the inlet tube is constantly to wasing the incasement and intaking, and the outlet pipe is constantly from wasing the incasement and drawing water for wash the flow direction of intracavity water and remain throughout to flow to outlet pipe one end from inlet tube one end, make the bottle piece of wasing the completion gather in outlet pipe one end, be convenient for transport out the washing case with the help of discharging device with the bottle piece. The utility model discloses compare in stirring with the blade, can stir bigger regional rivers to wash the bottle piece of different positions more evenly, improve the cleaning performance.
The utility model discloses further set up to: the air inlet device comprises an air inlet pipe with one end inserted into the air inlet cavity, and the end, far away from the air inlet cavity, of the air inlet pipe is connected to an air outlet of the air pump.
Through adopting above-mentioned technical scheme, the air pump constantly compressed air to let in the intake pipe with the air, the air gets into the chamber of admitting air along the intake pipe, and finally emits from the air vent.
The utility model discloses further set up to: the air inlet devices are arranged in multiple groups and are respectively arranged on two sides of the length direction of the air inlet cavity; the number of the air inlet devices arranged on the two sides is equal.
By adopting the technical scheme, the multiple groups of air inlet devices are arranged, so that the air inlet amount is sufficient, and the efficiency of air for stirring cleaning water is improved; the quantity of the air inlet devices arranged on the two sides is equal, so that the quantity of air emitted from the air holes at different positions is similar, and the uniformity of the air in stirring the water in the cleaning cavity is improved.
The utility model discloses further set up to: the vent holes are uniformly distributed on the vent plate in a rectangular array.
Through adopting above-mentioned technical scheme, air vent evenly distributed for the air can be followed the upper surface of aeration plate and more evenly emerged, has further improved the homogeneity of air to the water stirring of washing intracavity, thereby makes the bottle piece homoenergetic carry out better washing when the different positions of wash basin body, has improved the cleaning performance.
The utility model discloses further set up to: the water inlet pipe and the water outlet pipe are inserted into one end of the cleaning cavity and are respectively provided with a filter box, the filter boxes are detachably connected with the inner wall of the cleaning cavity, and a dirt absorbing layer is arranged in each filter box.
By adopting the technical scheme, impurities in the pipeline can be stained when the cleaning water passes through the pipeline, and the filter box is arranged at the water inlet pipe and used for absorbing the impurities, so that the cleaning degree of the cleaning water is improved; the filter box arranged at the water outlet pipe is used for removing impurities possibly contained in the cleaning water after the bottle flakes are cleaned and then flows into the pipeline; the self-cleaning of the water in the cleaning chamber can be achieved by means of the filter cassette.
The utility model discloses further set up to: the discharging device comprises a discharging hopper which is fixedly connected to the cleaning box and is arranged along the vertical direction, one end of the discharging hopper is inserted into the cleaning cavity, and a feeding hole is formed in one end, extending into the cleaning cavity, of the discharging hopper; a spiral shaft is arranged in the discharge hopper along the length direction of the discharge hopper; one end of the spiral shaft is rotatably connected to the vent plate, and the other end of the spiral shaft is connected with a driving motor; the spiral shaft is provided with continuous spiral ascending blades; the discharge hopper is provided with a fixing device for fixing the spiral shaft; one end of the discharge hopper, which is far away from the cleaning cavity, is provided with a collecting device.
Through adopting above-mentioned technical scheme, the bottle piece constantly flows to outlet pipe one end, leads to being close to earlier the bottle piece of a hopper and can receive to push and get into out the hopper from the feed inlet in, the bottle piece in the play hopper receives the influence of the turning force of screw axis, can be along the continuous spiral upward movement of blade, finally is carried to the screw axis top, finally makes the bottle piece leave and washs the chamber and gets into in the collection device.
The utility model relates to a one step sets up to: the fixing device comprises a lantern ring sleeved on the spiral shaft and far away from one end of the ventilation plate, a connecting rod is fixedly connected to the lantern ring, and one end of the connecting rod far away from the lantern ring is fixedly connected to the discharge hopper.
Through adopting above-mentioned technical scheme, the lantern ring has constituted a bearing structure with the connecting rod jointly, and screw axis one end is passed the lantern ring and is rotated and connect in the breather plate, can not take place to empty the phenomenon to fix the screw axis position.
The utility model discloses further set up to: a discharge port is formed in one end, far away from the cleaning pool, of the discharge hopper, and the collecting device comprises a guide plate and a collecting box, wherein the guide plate is positioned at the discharge port and is arranged obliquely downwards, and the collecting box is placed on one side of the cleaning box; the guide plate is far away from discharge gate one end and stretches into in the collecting box.
Through adopting above-mentioned technical scheme, the bottle piece that finishes of washing flows from the discharge gate department to in sliding into the collecting box with the help of the guide board, play the effect of collecting the bottle piece.
To sum up, the utility model discloses a beneficial technological effect does:
1. compared with stirring by blades, the utility model can stir water flow in a larger area, thereby more uniformly cleaning bottle pieces at different positions and improving the cleaning effect;
2. the water in the cleaning cavity flows by means of the water pump and the water pipe, and the bottle sheet is contacted with more water by the flow of the water, so that the cleaning of the bottle sheet is facilitated;
3. the filter box is used for removing residual impurities in water, so that the water in the cleaning cavity can be automatically cleaned.
Drawings
FIG. 1 is a flow diagram of a recycling system for PET bottle chips;
FIG. 2 is a schematic view showing a washing apparatus of a recycling system for PET bottle chips;
FIG. 3 is a cross-sectional view of the washing apparatus;
fig. 4 is a partially enlarged view of a portion a of fig. 3;
FIG. 5 is a schematic view of the discharge device of the washing apparatus.
In the figure, 1, a cleaning tank; 11. a cleaning chamber; 12. an air inlet cavity; 121. an air inlet pipe; 122. an air pump; 2. a breather plate; 21. a vent hole; 3. A water inlet pipe; 31. a filter cartridge; 311. a soil pick-up layer; 4. a water outlet pipe; 5. a water pump; 6. a discharge hopper; 61. a screw shaft; 611. a blade; 62. a drive motor; 63. a collar; 64. a connecting rod; 65. a discharge port; 66. a feed inlet; 7. a guide plate; 8. and a collection box.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a recycle system of PET bottle piece, including what set gradually takes off mark device, breaker, washing device and drying device. Firstly, put into the label device with the PET bottle at first, utilize the label device of taking off with PET bottle body and label separation, then throw into breaker and break into the piece with the PET bottle, throw into washing device with the bottle piece that breaks out again and wash, after the washing finishes, carry to drying device through the bottle piece, get rid of the moisture on bottle piece surface with the help of drying device, make the dryness fraction of ejection of compact satisfy deep-processing's requirement.
Referring to fig. 2 and 3, the washing apparatus of the present embodiment includes a washing tank 1 having an open top, and an aeration panel 2 disposed inside the washing tank 1 in parallel with a bottom plate of the washing tank 1. The periphery of the aeration plate 2 is fixedly connected with the inner wall of the cleaning box 1, so that the cleaning box 1 is divided into a cleaning cavity 11 above the aeration plate 2 and an air inlet cavity 12 below the aeration plate 2. The aeration plate 2 is provided with a plurality of aeration holes 21 which are arranged in a rectangular array, and the aeration holes 21 are communicated with the cleaning cavity 11 and the air inlet cavity 12. All be provided with intake pipe 121 on wasing case 1 length direction both sides lateral wall, intake pipe 121 and the chamber 12 intercommunication that admits air, and the quantity of wasing every side intake pipe 121 of case 1 is 3. The air inlet pipes 121 arranged at two sides of the cleaning box 1 are equal in number, so that the amount of air emitted from the vent holes 21 at different positions is similar, and the uniformity of the air in the cleaning cavity 11 in stirring is improved. An air pump 122 is connected to one end of each air inlet pipe 121 far away from the air inlet cavity 12. Air pump 122 constantly compresses air to let in air intake pipe 121, the air gets into air inlet chamber 12 along air intake pipe 121, and finally emits from air vent 21, and the air that emits stirs the washing water in wasing chamber 11, makes the washing water that is stirred make a round trip to flow on the bottle piece surface, and produces certain impulsive force to the bottle piece surface, makes the bottle piece by the sanitization.
Referring to fig. 2 and 3, a water inlet pipe 3 and a water outlet pipe 4 are respectively inserted into the side walls of both ends of the cleaning tank 1 in the length direction. One end of each of the water inlet pipe 3 and the water outlet pipe 4 is inserted into the cleaning cavity 11, and the other end of each of the water inlet pipe and the water outlet pipe is connected with a water pump 5. The inlet tube 3 is constantly to intaking in wasing case 1, and outlet pipe 4 is constantly from washing case 1 and drawing water for wash the flow direction of 11 internal waters and remain throughout to flow to 4 one ends of outlet pipe from 3 one ends of inlet tube, make the bottle piece of wasing the completion gather in 4 one ends of outlet pipe. The water inlet pipe 3 and the water outlet pipe 4 are inserted into one end of the cleaning cavity 11 and are connected with a filter box 31, and the filter box 31 is attached to the inner wall of the cleaning box 1. Impurities in the water inlet pipe 3 can be stained when the washing water passes through the water inlet pipe 3, and the filter box 31 is arranged at the water inlet pipe 3 and used for absorbing the impurities, so that the cleaning degree of the washing water is improved; the filter box 31 arranged at the water outlet pipe 4 is used for removing impurities possibly contained in the cleaning water after the bottle flakes are cleaned, and then the cleaning water flows into the water outlet pipe 4; self-cleaning of the water in the wash chamber 11 is achieved by means of the filter cassette 31.
Referring to fig. 4, a dirt absorbing layer 311 made of sponge is placed in the filter box 31, and the sponge is a porous material with a large specific surface area, so that more impurities can be absorbed, and the removal effect of the impurities is further improved.
Referring to fig. 2 and 5, one end of the cleaning tank 1, where the water outlet pipe 4 is located, is fixedly connected with 2 discharge hoppers 6, the discharge hoppers 6 are arranged along the vertical direction, and one ends of the discharge hoppers 6 are inserted into the cleaning cavity 11. One end of the discharge hopper 6 extending into the cleaning cavity 11 is provided with a feed inlet 66. A screw shaft 61 is arranged in the discharge hopper 6 along the length direction of the discharge hopper 6, one end of the screw shaft 61 is rotatably connected to the aeration plate 2, and the other end is connected with a driving motor 62. The screw shaft 61 is provided with a blade 611 which continuously and spirally rises. The screw shaft 61 is sleeved with a lantern ring 63, two connecting rods 64 are fixedly connected to the lantern ring 63, and one end, far away from the lantern ring 63, of each connecting rod 64 is fixedly connected to the inner wall of the discharge hopper 6. The bottle flakes continuously flow to one end of the water outlet pipe 4 along the water flow direction in the cleaning box 1, so that the bottle flakes which are firstly close to the discharge hopper 6 can be pushed to enter the discharge hopper 6 from the feed inlet 66, the bottle flakes in the discharge hopper 6 can be influenced by the rotating force of the spiral shaft 61, can move upwards along the continuous spiral of the blade 611 and are finally conveyed to the top end of the spiral shaft 61
Referring to fig. 5, seted up discharge gate 65 on the hopper 6, discharge gate 65 department is inserted and is equipped with the guide board 7 that sets up to one side downwards, and the transversal U style of calligraphy of personally submitting of guide board 7, guide board 7 keep away from discharge gate 65 one end and insert to lieing in the collecting box 8 of washing case 1 one side. The cleaned bottle flakes flow out from the discharge port 65, slide into the collection box 8 by the guide plate 7, and are conveyed to the drying device after being collected in a centralized manner.
The implementation principle of the embodiment is as follows: after the bottle flakes are put into the cleaning box 1, the air pump 122 continuously blows air into the air inlet cavity 12 through the air inlet pipe 121, so that the air continuously emerges from the vent holes 21, the emerging air stirs cleaning water in the cleaning cavity 11, the stirred cleaning water flows back and forth on the surfaces of the bottle flakes and generates a certain impulsive force on the surfaces of the bottle flakes, and the bottle flakes are cleaned; meanwhile, the water inlet pipe 3 continuously feeds water into the cleaning box 1, the water outlet pipe 4 continuously pumps water from the cleaning box 1, the flow direction of water in the cleaning cavity 11 is always kept to flow to one end of the water outlet pipe 4 from one end of the water inlet pipe 3, bottle pieces which are cleaned are gathered at one end of the water outlet pipe 4, the bottle pieces are continuously pushed upwards by the rotation of the spiral shaft 61, finally the bottle pieces are conveyed to the discharge hole 65, and the bottle pieces slide into the collecting box 8 by virtue of the guide plate 7 at the discharge hole 65 and are then conveyed to the drying device. The utility model discloses compare in with the stirring of blade 611, can stir bigger regional rivers to wash the bottle piece of different positions more evenly, improve the cleaning performance.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.