CN210596805U - Sorting and regenerating system for paper in household garbage - Google Patents
Sorting and regenerating system for paper in household garbage Download PDFInfo
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- CN210596805U CN210596805U CN201920808973.6U CN201920808973U CN210596805U CN 210596805 U CN210596805 U CN 210596805U CN 201920808973 U CN201920808973 U CN 201920808973U CN 210596805 U CN210596805 U CN 210596805U
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Abstract
The utility model discloses a show sorting of domestic waste medium paper and system of can regenerating, it includes broken unit, drum sieve, adsorbs unit, selection by winnowing unit, hydrapulper, desander, bounce sieve, inclined screen, paper pulp concentration regulating unit, nipper, drying-machine and sewage treatment unit. The utility model discloses a sorting of paper among the domestic waste and system of regenerating can be with the more thorough of the paper separation among the domestic waste for the purity of the follow-up paper pulp that obtains is purer, thereby improves the quality of paper products regeneration. Additionally, the utility model discloses a become fibrous and mix in the flow layer with the paper among the domestic waste, then get rid of the impurity of mixing in the flow layer, obtain finished product paper product through pressing paper and stoving at last, whole production technology continuity is good, can promote the efficiency of paper products regeneration.
Description
Technical Field
The utility model relates to a domestic waste handles technical field, especially relates to a sorting and system of can regenerating of paper among domestic waste.
Background
Due to the rapid development of national economy, urban population is dense, and thus a large amount of domestic garbage appears. The domestic waste generally contains paper products, such as waste paper produced during printing, paper packaging boxes and the like. However, domestic garbage is generally not classified in China, and domestic garbage treatment modes in China generally adopt a landfill method and a burning method, so that paper products in the domestic garbage are finally difficult to recycle, and the process is not in line with the sustainable development trend from the perspective of resource recycling.
Although some existing equipment can sort out paper products in the household garbage, the purity of the sorted paper products is not enough, and the paper products are often mixed with plastics, so that the recycling quality of the paper products is reduced. At present, the separation of paper products from household garbage and the regeneration of the separated paper products are basically completed in different factories, and the paper product regeneration efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a sorting and regeneration system for paper in domestic garbage, which can improve the quality and efficiency of regeneration of paper products.
The purpose of the utility model is realized by adopting the following technical scheme:
sorting and regeneration system of paper in domestic waste includes:
a crushing unit adapted to crush the domestic garbage;
the rotary screen is suitable for screening the materials crushed by the crushing unit so as to screen oversize materials and undersize materials; the oversize materials cannot pass through the screen holes of the drum screen, and the undersize materials can pass through the screen holes of the drum screen;
the adsorption unit is suitable for carrying out negative pressure adsorption separation on the undersize products so as to separate out plastic scraps, shredded paper and leaves;
the winnowing unit is suitable for carrying out wind power separation on the oversize products so as to separate out flaky plastics, paper and cloth;
a hydrapulper adapted to hydrapulpe the material sorted by the adsorption unit and the material sorted by the air separation unit to obtain a fluidized bed and a floating bed; the floating layer comprises silt, paper fiber, plastic powder, leaf powder and sewage, and the floating layer comprises flaky plastic and cloth;
a desander adapted to desand the flow layer to remove silt from the flow layer;
the bouncing screen is suitable for bouncing and screening the desanded flowing layer, so that the paper fibers and the sewage in the flowing layer flow down through screen holes of the bouncing screen, and the plastic scraps and the leaf scraps bounce and separate from the upside of the bouncing screen;
the inclined screen is positioned below the bouncing screen and is suitable for separating the paper fibers flowing down from the screen holes of the bouncing screen from sewage, wherein the sewage flows out from the screen holes of the inclined screen, and the paper fibers slide out downwards along the upper surface of the inclined screen;
a pulp concentration adjusting unit adapted to collect the paper fibers slipping off the upper surface of the inclined screen and to add clean water to the paper fibers to obtain a predetermined pulp concentration;
a paper press adapted to press pulp to obtain a sheet of paper and to extrude sewage;
a dryer adapted to dry the paper sheet pressed by the paper pressing machine to obtain recycled paper;
the sewage treatment unit is suitable for performing sewage treatment on sewage flowing out of the meshes of the inclined screen and sewage generated by extrusion of the paper pressing machine to obtain clear water and sludge; wherein clean water is adapted to feed the hydropulper and the pulp consistency adjustment unit.
Further, the crushing unit is a double-shaft shredder.
Furthermore, the diameter of the screen hole of the rotary screen is 55-60 mm.
Furthermore, the diameter of the mesh of the bouncing screen is 2-3 mm.
Furthermore, the mesh of the inclined screen is 60-80 meshes.
Further, a grating machine is arranged above the hydrapulper.
Further, the selection by winnowing unit is drum selection by winnowing screening machine, drum selection by winnowing screening machine includes a sieve section of thick bamboo and drive sieve section of thick bamboo pivoted actuating mechanism, the slope of a sieve section of thick bamboo sets up, and the higher one end of a sieve section of thick bamboo is the feed end, and the lower one end of a sieve section of thick bamboo is the discharge end, is provided with the sieve mesh on the section of thick bamboo wall of the interlude of a sieve section of thick bamboo, the feed end of a sieve section of thick bamboo still is provided with air-blast equipment, air-blast equipment is used for blowing off flaky plastics, paper and the.
Furthermore, the adsorption unit is a negative pressure adsorption catcher which comprises a turbine type high-pressure fan, a circulating air inlet pipe, an injection pipe and a cyclone catcher; the upper portion of whirlwind catcher is the cylinder barrel, the lower part of whirlwind catcher is the round platform barrel, the upper end diameter of round platform barrel is greater than its lower extreme diameter, the upper end of round platform barrel with the lower extreme of cylinder barrel is connected, the upper end of cylinder barrel is provided with the top cap, be provided with the cylinder on the top cap and go out the tuber pipe, the cylinder go out the tuber pipe with the coaxial setting of cylinder barrel, turbine formula high pressure positive blower's air inlet end through the circulation air-supply line with the cylinder goes out tuber pipe intercommunication, turbine formula high pressure positive blower's air-out end through the injection pipe with cylinder barrel intercommunication, air current in the injection pipe is suitable for the edge the tangential direction of cylinder barrel gets into the cylinder barrel, the negative pressure absorption mouth has been seted up on the.
Further, the injection pipe comprises an air supply pipe, a Laval nozzle, a mixed flow pipe and an air blowing pipe; the first end of air supply pipe with turbine formula high pressure positive blower's air-out end intercommunication, the second end of air supply pipe with the laval spray tube intercommunication, the diameter of mixed flow pipe is greater than the diameter of air supply pipe, just the mixed flow pipe be suitable for with the laval spray tube encloses and draws together inside it, the first end of gas blow pipe with the mixed flow pipe intercommunication, the negative pressure absorption mouth has been seted up on the pipe wall of mixed flow pipe, the second end of gas blow pipe with the cylinder body intercommunication.
Further, a collecting cover is arranged at the negative pressure adsorption port.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a sorting of paper among the domestic waste and system of can regenerating, it can be with the more thorough of the paper separation among the domestic waste for the purity of the follow-up paper pulp that obtains is purer, thereby improves the quality of paper products regeneration. Additionally, the utility model discloses a become fibrous and mix in the flow layer with the paper among the domestic waste, then get rid of the impurity of mixing in the flow layer, obtain finished product paper product through pressing paper and stoving at last, whole production technology continuity is good, can promote the efficiency of paper products regeneration.
Drawings
FIG. 1 is a block diagram of the structure of a system for sorting and regenerating paper in domestic garbage according to the present invention;
FIG. 2 is a schematic diagram of the cylindrical sorting and screening machine of the present invention;
fig. 3 is a schematic diagram of the middle negative pressure adsorption catcher of the present invention.
In the figure: 11. a screen cylinder; 12. a blower device; 21. a turbo type high pressure fan; 22. a circulating air inlet pipe; 3. an injection pipe; 31. a gas supply pipe; 32. a laval nozzle; 33. a mixed flow tube; 34. an air blowing pipe; 35. a collection hood; 36. a negative pressure adsorption port; 4. a cyclone collector; 41. a cylindrical barrel; 42. a circular truncated cone cylinder; 5. and a cylindrical air outlet pipe.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in figure 1, the utility model discloses the system of can regenerating and sorting of paper in domestic waste that the embodiment of the utility model provides is shown, it includes crushing unit, drum sieve, absorption unit, selection by winnowing unit, hydrapulper, desander, bounce sieve, inclined screen, paper pulp concentration adjustment unit, nipper, drying-machine and sewage treatment unit.
Wherein the crushing unit is suitable for crushing the household garbage, and particularly, the crushing unit is a double-shaft shredder. The domestic garbage is crushed by the crushing unit, so that subsequent screening can be facilitated. The drum screen is suitable for screening the materials crushed by the crushing unit so as to screen out oversize materials and undersize materials, wherein the oversize materials are the materials which cannot pass through screen holes of the drum screen, and the undersize materials are the materials which can pass through screen holes of the drum screen. Specifically, the diameter of the screen hole of the rotary screen is 55-60 mm. The adsorption unit is suitable for carrying out negative pressure adsorption separation on undersize objects so as to separate out plastic scraps, shredded paper and leaves. The winnowing unit is suitable for wind power separation of oversize materials so as to separate flaky plastics, paper and cloth. The above-mentioned adsorption unit and the air separation unit can be realized by the prior art, and will not be described herein.
The hydrapulper is suitable for hydrapulped materials sorted out by the adsorption unit and materials sorted out by the sorting unit to obtain a flowing layer and a floating layer; wherein the mobile layer comprises silt, paper fiber, plastic powder, leaf powder and sewage, and the floating layer comprises flaky plastic and cloth. It should be understood that, domestic waste still has sand and soil to mix wherein transferring or the in-process of stacking, if not getting rid of it, then can influence subsequent paper products's regeneration, so the utility model discloses a desander removes sand to the mobile layer to get rid of the silt in the mobile layer. The desander can also be implemented by using the prior art, such as the finished pulp desander disclosed in chinese patent CN 202099671U. Preferably, a grating machine is arranged above the hydrapulper. The flotation layer can be sorted out of the hydropulper by means of a grid machine. Specifically, the grid machine may adopt a grid sewage remover as disclosed in chinese patent CN 107673422A.
The bounce screen is suitable for bouncing and screening the flow layer after sand removal, so that paper fibers and sewage in the flow layer flow down through screen holes of the bounce screen, and plastic scraps and leaf scraps bounce and separate from the upside of the bounce screen. In this way, the paper is separated from the other materials. Specifically, the diameter of the mesh of the bouncing screen is 2-3 mm. The inclined screen is arranged below the bouncing screen and is suitable for separating paper fibers flowing down from screen holes of the bouncing screen from sewage, wherein the sewage flows out from the screen holes of the inclined screen, and the paper fibers slide out downwards along the upper surface of the inclined screen. The paper and the sewage can be primarily separated by the inclined screen. Specifically, the mesh of the inclined screen is 60-80 meshes. The pulp concentration adjusting unit is adapted to collect paper fibres slipping off the upper surface of the inclined screen and to add fresh water to the paper fibres to obtain a predetermined pulp concentration. When the pulp with the predetermined concentration is obtained, the pulp with the predetermined concentration can be pumped to a paper pressing machine by a fluid pump to be pressed, so that paper sheets are obtained, and sewage is extruded. The dryer is suitable for drying the paper sheets pressed by the paper pressing machine to obtain recycled paper.
The sewage treatment unit is suitable for performing sewage treatment on sewage flowing out of meshes of the inclined screen and sewage extruded from the paper pressing machine to obtain clear water and sludge; wherein the clean water is adapted to feed the hydropulper and the pulp consistency adjustment unit. Through the sewage treatment unit, water resources can be saved, and the device is very environment-friendly.
As a preferred embodiment, referring to fig. 2, the air separation unit is a cylindrical air separation screening machine, the cylindrical air separation screening machine includes a screen cylinder 11 and a driving mechanism for driving the screen cylinder 11 to rotate, the screen cylinder 11 is disposed obliquely, a higher end of the screen cylinder 11 is a feeding end, a lower end of the screen cylinder 11 is a discharging end, screen holes are disposed on a wall of a middle section of the screen cylinder 11, the feeding end of the screen cylinder 11 is further provided with an air blowing device 12, and the air blowing device 12 is used for blowing out the flaky plastics, paper and cloth in the screen cylinder 11 from the discharging end.
Preferably, referring to fig. 3, the adsorption unit is a negative pressure adsorption trap, which includes a turbo type high pressure blower 21, a circulation air inlet pipe 22, an injection pipe 3, and a cyclone trap 4; the upper portion of cyclone trap 4 is cylinder barrel 41, the lower part of cyclone trap 4 is round platform barrel 42, the upper end diameter of round platform barrel 42 is greater than its lower extreme diameter, the upper end of round platform barrel 42 is connected with the lower extreme of cylinder barrel 41, the upper end of cylinder barrel 41 is provided with the top cap, be provided with cylinder air-out pipe 5 on the top cap, cylinder air-out pipe 5 and the coaxial setting of cylinder barrel 41, turbine formula high pressure positive blower 21's air inlet end is through circulation air-supply line 22 and cylinder air-out pipe 5 intercommunication, turbine formula high pressure positive blower 21's air-out end is through injection pipe 3 and cylinder barrel 41 intercommunication, the air current in the injection pipe 3 is suitable for the tangential direction entering cylinder barrel 41 along cylinder barrel 41, negative pressure absorption mouth 36 has been seted up.
The injection pipe 3 is provided with a negative pressure adsorption port 36, so when the air in the injection pipe 3 flows, a negative pressure is formed at the negative pressure adsorption port 36, and thus the negative pressure adsorption port 36 can suck the plastic scraps, paper scraps and leaves into the injection pipe 3, and the plastic scraps, paper scraps and leaves enter the cyclone catcher 4 along with the air flow in the injection pipe 3, the principle of the cyclone catcher 4 is similar to that of a cyclone dust removal tower, so that after the sucked light objects enter the cyclone catcher 4, the light objects spirally move downwards along the inner walls of the cylindrical barrel 41 and the circular truncated cone barrel 42, and finally fall out from the lower end of the circular truncated cone barrel 42, so that the separation and the catching of the plastic scraps, the paper scraps and the leaves are completed, wherein the catching refers to the separation and the catching of the plastic scraps, the paper scraps and the leaves, and then the separated plastic scraps. Additionally, the utility model discloses in, turbine formula high pressure positive blower 21's air inlet end is through circulation air-supply line 22 and the 5 intercommunications of cylinder tuber pipe, turbine high pressure positive blower is to the inside suction that has produced of cyclone trap 4 promptly, thereby the pressure in having avoided cyclone trap 4 risees, the negative pressure adsorption effect of 36 departments of negative pressure adsorption port has been guaranteed, and such connected mode, make circulation air-supply line 22, turbine formula high pressure positive blower 21, a circulation air current has been formed between injection pipe 3 and the cyclone trap 4, thereby under the condition of the turbine formula high pressure positive blower 21 that uses the same power, there is bigger pressure in the injection pipe 3, further promotion the adsorption effect of negative pressure adsorption port 36.
Preferably, the injection pipe 3 includes an air supply pipe 31, a laval nozzle 32, a mixed flow pipe 33, and an air blow pipe 34; the first end of the air supply pipe 31 is communicated with the air outlet end of the turbine type high-pressure fan 21, the second end of the air supply pipe 31 is communicated with the laval nozzle 32, the diameter of the mixed flow pipe 33 is larger than that of the air supply pipe 31, the mixed flow pipe 33 is suitable for enclosing the laval nozzle 32 inside, the first end of the air blowing pipe 34 is communicated with the mixed flow pipe 33, a negative pressure adsorption port 36 is formed in the pipe wall of the mixed flow pipe 33, and the second end of the air blowing pipe 34 is communicated with the cylindrical barrel 41. The setting of the laval nozzle 32 can further increase the flow rate, so that a stronger negative pressure is generated around the laval nozzle 32, and the negative pressure adsorption port 36 has a better adsorption effect. Specifically, a collection cover 35 is provided at the negative pressure adsorption port 36.
The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.
Claims (10)
1. Sorting and system of can regenerating of paper in domestic waste, its characterized in that includes:
a crushing unit adapted to crush the domestic garbage;
the rotary screen is suitable for screening the materials crushed by the crushing unit so as to screen oversize materials and undersize materials; the oversize materials cannot pass through the screen holes of the drum screen, and the undersize materials can pass through the screen holes of the drum screen;
the adsorption unit is suitable for carrying out negative pressure adsorption separation on the undersize products so as to separate out plastic scraps, shredded paper and leaves;
the winnowing unit is suitable for carrying out wind power separation on the oversize products so as to separate out flaky plastics, paper and cloth;
a hydrapulper adapted to hydrapulpe the material sorted by the adsorption unit and the material sorted by the air separation unit to obtain a fluidized bed and a floating bed; the floating layer comprises silt, paper fiber, plastic powder, leaf powder and sewage, and the floating layer comprises flaky plastic and cloth;
a desander adapted to desand the flow layer to remove silt from the flow layer;
the bouncing screen is suitable for bouncing and screening the desanded flowing layer, so that the paper fibers and the sewage in the flowing layer flow down through screen holes of the bouncing screen, and the plastic scraps and the leaf scraps bounce and separate from the upside of the bouncing screen;
the inclined screen is positioned below the bouncing screen and is suitable for separating the paper fibers flowing down from the screen holes of the bouncing screen from sewage, wherein the sewage flows out from the screen holes of the inclined screen, and the paper fibers slide out downwards along the upper surface of the inclined screen;
a pulp concentration adjusting unit adapted to collect the paper fibers slipping off the upper surface of the inclined screen and to add clean water to the paper fibers to obtain a predetermined pulp concentration;
a paper press adapted to press pulp to obtain a sheet of paper and to extrude sewage;
a dryer adapted to dry the paper sheet pressed by the paper pressing machine to obtain recycled paper;
the sewage treatment unit is suitable for performing sewage treatment on sewage flowing out of the meshes of the inclined screen and sewage generated by extrusion of the paper pressing machine to obtain clear water and sludge; wherein clean water is adapted to feed the hydropulper and the pulp consistency adjustment unit.
2. The system for sorting and recycling paper in household waste according to claim 1, wherein the shredding unit is a twin-shaft shredder.
3. The system for sorting and recycling paper in household garbage according to claim 1, wherein the diameter of the screen hole of the drum screen is 55-60 mm.
4. The system for sorting and recycling paper in household garbage according to claim 1, wherein the diameter of the mesh of the bouncing screen is 2-3 mm.
5. The system for sorting and recycling paper in household garbage according to claim 1, wherein the mesh of the inclined screen is 60-80 mesh.
6. The system for sorting and recycling paper in household garbage according to claim 1, wherein a grating machine is arranged above the hydrapulper.
7. The system for sorting and recycling paper in household garbage according to claim 1, wherein the air separation unit is a cylindrical air separation screening machine, the cylindrical air separation screening machine comprises a screen drum and a driving mechanism for driving the screen drum to rotate, the screen drum is arranged obliquely, the higher end of the screen drum is a feeding end, the lower end of the screen drum is a discharging end, screen holes are arranged on the wall of the middle section of the screen drum, the feeding end of the screen drum is further provided with a blowing device, and the blowing device is used for blowing out the flaky plastic, paper and cloth in the screen drum from the discharging end.
8. The system for sorting and regenerating paper in household garbage according to claim 1, wherein the adsorption unit is a negative pressure adsorption trap, the negative pressure adsorption trap comprises a turbine type high pressure fan, a circulation air inlet pipe, a jet pipe and a cyclone trap; the upper portion of whirlwind catcher is the cylinder barrel, the lower part of whirlwind catcher is the round platform barrel, the upper end diameter of round platform barrel is greater than its lower extreme diameter, the upper end of round platform barrel with the lower extreme of cylinder barrel is connected, the upper end of cylinder barrel is provided with the top cap, be provided with the cylinder on the top cap and go out the tuber pipe, the cylinder go out the tuber pipe with the coaxial setting of cylinder barrel, turbine formula high pressure positive blower's air inlet end through the circulation air-supply line with the cylinder goes out tuber pipe intercommunication, turbine formula high pressure positive blower's air-out end through the injection pipe with cylinder barrel intercommunication, air current in the injection pipe is suitable for the edge the tangential direction of cylinder barrel gets into the cylinder barrel, the negative pressure absorption mouth has been seted up on the.
9. The system for sorting and recycling paper in household garbage according to claim 8, wherein the spraying pipe comprises an air supply pipe, a laval nozzle, a mixed flow pipe and an air blowing pipe; the first end of air supply pipe with turbine formula high pressure positive blower's air-out end intercommunication, the second end of air supply pipe with the laval spray tube intercommunication, the diameter of mixed flow pipe is greater than the diameter of air supply pipe, just the mixed flow pipe be suitable for with the laval spray tube encloses and draws together inside it, the first end of gas blow pipe with the mixed flow pipe intercommunication, the negative pressure absorption mouth has been seted up on the pipe wall of mixed flow pipe, the second end of gas blow pipe with the cylinder body intercommunication.
10. The system for sorting and recycling paper in household garbage according to claim 9, wherein a collection cover is arranged at the negative pressure adsorption port.
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| CN201920808973.6U CN210596805U (en) | 2019-05-30 | 2019-05-30 | Sorting and regenerating system for paper in household garbage |
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| CN201920808973.6U CN210596805U (en) | 2019-05-30 | 2019-05-30 | Sorting and regenerating system for paper in household garbage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258156A (en) * | 2019-05-30 | 2019-09-20 | 广州励美环保科技有限公司 | The sorting of paper and reproducible in house refuse |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258156A (en) * | 2019-05-30 | 2019-09-20 | 广州励美环保科技有限公司 | The sorting of paper and reproducible in house refuse |
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