CN101947538A - Resource recycling system of discarded papers, plastics or composite materials thereof - Google Patents

Abstract

The invention discloses a resource recycling system of discarded papers, plastics or composite materials thereof. The discarded papers, plastics or composite materials thereof are subjected to manual sorting to remove impurities; muddy sand is removed through crushing and cleaning; high-quality paper pulp is recycled by using a powerful water power pulping method; the pulped remained waste plastics are dried and subjected to low-temperature catalytic pyrolysis and cooling to manufacture precious fuel oil; and the cracked residual slag including active carbon powder, aluminum crumbs and the like is subjected to high-temperature baking to recycle nonferrous metal aluminum, so as to realize total resource recycling utilization of the discarded papers, plastics or composite materials thereof. Processes, such as sewage treatment, waste gas treatment and the like in the system, can ensure that harmful pollutants of waste materials are not discharged in the recycling treatment process so as not to bring hazard to the environment. The resource recycling utilization of the discarded papers, plastics or composite materials thereof is beneficial to the realizing of harmonious human and environment and sustainable development of human society.

Description

Discard paper, mould and composite resource recovery system

Technical field

The present invention relates to the discarded paper of a cover, mould and composite resource recovery system, this system is the important component part of municipal refuse recycling treatment system, belongs to environmental protection and treatment of urban garbage field.

Background technology

Discarded paper, mould and composite is meant by plastics, paper or contains the packing of product that material such as a spot of aluminium foil makes and the discarded object of propaganda articles for use etc., as: the packaging bag/box of fresh milk, yoghurt, lactic acid drink, soda and fruit juice etc. (common Lilezhen, Tetra Pak etc.), articles for daily use (containing: cosmetics, pot foods, medicine etc.) packaging bag/box, disposable water cup, plastic packaging advertisement color page and Product labelling etc.

Discarded paper, mould and composite to account for the municipal refuse gross mass nearly 1/3, the discarded object of this part can not rot for a long time, degrade, and is that garbage loading embeading or garbage compost all are difficult to ' minimizing ' and take a large amount of soils; When burning away the refuse, the discarded object of this part is the arch-criminal who produces harm atmosphere pollution (as dioxin etc.); Therefore, discarded paper, mould and composite has brought insoluble difficulty to treatment of urban garbage.

Discarded paper, mould and composite in paper multiselect high-quality paper pulp, aluminium is precious non-ferrous metal, the petrochemical industry goods that plastics are valuable especially, if the resource that these are rare takes suitable technology to separate, just can recycle, not only can obtain certain economic benefits, that also can reduce land resource effectively takies, reduces the pollution to environment, social benefit is also very remarkable, can also provide new thinking for municipal refuse minimizing, recycling treatment.

Both at home and abroad to discarded paper, mould and the recycling of composite is more and more paid attention to, relevant recovery and utilization technology report is as follows:

Shanghai color happy environment-friendly products Co., Ltd reclaims discarded paper plastic combined packages such as Tetra Pak, through a series of technical matters such as cleaning, pulverizing, heating, compactings, make the happy plate of Pork-pieces coloured silk, further produce products such as dustbin, outdoor floor, desk and chair, industrial pallet, student desk and chair, dais again.

Color happy panel products research and development and extension system that Shenzhen green shield Environmental Protection Technology Co., Ltd sets up are in Guangzhou, cities such as Shenzhen, Shanghai, Beijing litterbin that also releases one after another and made by the happy plate of coloured silk.

" extrusion coating paper packaging material waterpower is slurrying and the plastic granulator project again " that Fuyang City, Hangzhou Fu Lun paper plant starts is with discarded paper, mould and composite production paper pulp and plastic cement particle etc.

But above-mentioned technology all do not have to discard paper, mould and the component of composite is separated completely, and resource more is difficult to obtain the recycling of high value.Plastics in the color happy plate are low density polyethylene (LDPE), and low because of its intensity, easily aging, the use of corresponding product also is affected; The plastic cement particle also can only be as the additive of keeping out time product.

The content of invention

The technical problem to be solved in the present invention just provides the cheap discarded paper of the succinct practicality of a cover, cost and operating cost, moulds and composite resource recovery system, brand-new processing method, ripe professional system equipment can guarantee discarded paper, mould and composite is thoroughly separated, produce products such as paper pulp, fuel oil, metallic aluminium, all the resource of the recycling preciousness of high value.

For solving discarded paper, mould and technical problem that the composite resource is recycled, the present invention discard paper, mould and composite resource recovery system comprises: material loading sorting arrangement, disintegrating apparatus, pneumatic separator, cleaning equipment, beating equipment, pulp-water treatment facility, sewage disposal device, waste plastics carburetion equipment, aluminium powder reclaimer, control and safety features etc. automatically.

Adopt said system equipment, discard paper, mould and the sorting of composite process, remove foreign material such as wherein waddy, iron wire, contents such as silt in the material and beverage remnants are removed in cleaning, precious resources-paper pulp is wherein reclaimed in hydrabeating, waste plastics is produced oil product-fuel oil in short supply day by day through low-temperature catalytic pyrolysis, behind cracked residue (mainly being carbon dust and aluminium flake/bits mixture) the roasting removal organic impurities wherein, obtain systematic procedures such as non-ferrous metal-aluminium, just can realize that whole resources of waste material are recycled.

Discarded paper, mould and composite resource recovery system in the removal process of waste material, the sewage after material washing, the making beating, part recycles after sewage disposal system is handled, system does not have harmful sewage discharge; Directly burning heating of the pyrolysis off-gas (being equivalent to combustion gas) that waste plastics carburetion process produces, but the consumption of fuel saving, pernicious gases such as dust and foul smell also pass through the purified treatment qualified discharge, and system does not have the harmful exhaust discharging; Reclaim non-ferrous metal aluminium after residue in the cracking still-cracked residue roasting, the mud of sewage disposal can be delivered to the supporting fertilizer system of garbage disposal and do the fertilizer recovery, and system does not have harmful waste sludge discharge; As seen, discard paper, mould and composite recycling treatment process non-pollutant discharge, do not bring any harm to environment.

As improvement of the present invention, can be equipped with waste plastics baling equipment and waste plastics Granulation Equipments in the system, to improve the adaptability of system.When the plant maintenance of waste plastics carburetion, maintenance, or the client of long-term purchase waste plastics and waste plastics particle is arranged, waste plastics directly can be packed or granulation, be convenient to store, transportation and selling.

As a further improvement on the present invention, also can be equipped with coal gasification apparatus in the system, to improve the technical merit of system.Three devices that need heating are arranged in the system,, adopt cheap coal to act as a fuel for reducing the operating cost of system; also for the promoted extension of raising system; coal gasification apparatus can come the fuel-coal gas of production high-quality with coal, with the coal gas heating of burning of cleaning, is beneficial to environmental protection again.

Further improve as of the present invention, also can further be equipped with waste gas treatment equipment in the system, to improve the technical merit of system.The waste gas of pernicious gases such as the dust-laden of system's generation in service, foul smell is sent into waste gas treatment equipment carry out purified treatment, dust in the waste gas is adsorbed the back qualified discharge by pernicious gases such as filtering, foul smell, can avoid the influence of the operation of system, also can guarantee the working environment in the workshop atmospheric environment.

Discard paper, mould and composite resource recovery system, help realizing the harmony of human and environment and the sustainable development of human society.

In sum, advantage of the present invention is: succinct practical, reliable and stable, environmental protection, low energy consumption.

Description of drawings

Below in conjunction with drawings and embodiments the present invention is described in further detail.

Fig. 1 is one embodiment of the present invention schematic diagram

The specific embodiment

Referring to Fig. 1; the present invention discards paper, moulds and composite resource recovery system, by a cover material loading sorting arrangement 1, disintegrating apparatus 2, pneumatic separator 3, cleaning equipment 4, beating equipment 5, pulp-water treatment facility 6, sewage disposal device 7, waste plastics carburetion equipment 8, aluminium powder reclaimer 9, control and safety features 10 etc. are formed automatically.

Waste material enters in the material loading sorting arrangement 1: by hopper material loading, conveyer belt transmit continuously, manual sorting's platform carries out sorting, foreign material such as the waddy of sorting out, iron wire are put into letter sorting thing material storage tube; Waste material after the letter sorting is delivered in the material disintegrating apparatus 2 through hopper by conveying worm: waste material is entered by hopper in the efficient thick broken machine and carries out fragmentation, to improve the production efficiency that follow-up place arrives; Waste material after the fragmentation is delivered in the pneumatic separator 3 through conveying worm: after equipment selection by winnowing such as air blast, casing and air channel, things such as light body plastics are selected, and reduce the live load of follow-up equipment; Waste material is delivered in the cleaning equipment 4 through hopper by conveying worm: contents such as silt in cleaning machine in the cleaning removal material and beverage remnants, guarantee the quality of paper pulp, also prolonged the service life of follow-up equipment, waste material is pulled the drop branch that anhydrates out by dragveyer, delivered in the beating equipment 5 by conveying worm: waste material is hydraulic fracture-making beating in the paper seperator again, the paper fiber is separated from waste material, making beating is not cut off the paper fiber, the original length of paper fiber can be not impaired, guarantees the quality of paper pulp and purposes widely; Waste plastics behind the removal paper pulp enters temporary separating tank, again by delivering to behind the variable-pitch propeller conveyer extrusion dehydration in the waste plastics carburetion equipment 8: after the waste plastics drying machine drying, send in the cracking reaction still by feed arrangement, low temperature pyrolyzer is a gas under catalyst action, and it is for sale that gas goes out fuel oil through the condensation of pot type cooling device; Uncooled gas is sent the combustion chambers burn heating-recovery heat energy of cracking reaction still back to.

Cracked residue in the cracking reaction still is discharged by automatic deslagging device, directly enter in the aluminium powder reclaimer 9: cracked residue is sent in the horizontal revolving roaster by conveying worm, roaster is heated by fuel gas buring, after organic matter such as carbon dust is removed in high-temperature roasting, through sorting, fragmentation, the packing aluminium powder can be for sale.

Water after waste material cleans enters in the circulating water pool, by water circulating pump " clear water " on circulating water pool top is sent back in the cleaning machine to recycle, and " sewage " of circulating water pool bottom is sent in the sewage disposal device 7 by sewage pump.

The pulp-water that contains paper pulp after the making beating enters in the pulp-water treatment facility 6: temporary separating tank is a scratch pool down, pulp-water stops bulky grain thing, silt particle etc. for a moment and is precipitated in scratch pool, pulp-water is sent into foreign material such as filtering plastic sheet in the rough filtering device, careless rod, little bottle cap, suction pipe by stock pump, send in silt separation apparatus and the fine filtering device by centrifugal pump again, removing tiny silt, fiber agglomerate etc. influences the impurity of pulp quality, satisfactory pulp-water enters in the pulp-water seperator and isolates paper pulp, and the paper pulp that obtains high-quality after the extruser dehydration can be for sale.The water of separating enters in the Buffer Pool, and " clear water " on Buffer Pool top sent back in the paper seperator by back water pump and recycled, and " sewage " of Buffer Pool bottom is sent in the sewage disposal device 7 by sewage pump.

Sewage enters in the sewage disposal device 7: through entering the dosing pond after the coarse filtration of filter tank (in establish grid), adopt advanced flocculation technique, by chemicals dosing plant quick flocculating agent is added in the pond and to mix, enter flocculation in the reaction tank, in sedimentation basin, deposit, the clear water on sedimentation basin top enters in the collecting-tank, is sent back in cleaning machine and the paper seperator by clarified water pump to recycle; The mud of sedimentation basin bottom deposition is delivered to by slush pump and to be carried out mud-water separation in the sludge press filtration machine, and the sludge cake after the separation send the organic fertilizer production system recoveries utilization of garbage disposal, and the water after the separation is sent filtering ponds back to and handled again.

Automatically control and safety features 10: by host computer (industrial computer), Programmable Logic Controller, temperature/pressure adjusting apparatus/controller, burner control, sophisticated equipments such as igniter, magnetic valve, electric butterfly valve, pressure sensor, travel switch, position switch, optoelectronic switch, thermocouple, breaker, auxiliary reclay, A.C. contactor, electrothermal relay and alarm are formed, and can realize discarded paper, mould and the whole resources of composite are recycled whole-course automation operation, continuous and stable production; Functions such as the blowout protection of safety system, overload protection and operational factor monitoring are guaranteed the safe and reliable to operation of system equipment.

The present invention has characteristics such as succinct practicality, reliable and stable, environmental protection, low energy consumption.

As improvement of the present invention, can be equipped with waste plastics baling equipment 20 and waste plastics Granulation Equipments 30 in the system, to improve the adaptability of system.The waste plastics baling equipment is made up of conveying worm, hydraulic press-packing and bag bundle conveyer belt etc.; The waste plastics Granulation Equipments is made up of electrical heating extruser and shredding machine etc.

During the overhaul of the equipments of waste plastics carburetion, safeguarding, or the client of long-term purchase waste plastics or waste plastics particle is arranged, the waste plastics after the making beating directly can be packed or granulation, be convenient to store, transportation and selling.The size of packing and the big I of particle are decided according to user's needs.

As a further improvement on the present invention, also can be equipped with coal gasification apparatus 40 in the system, to improve the technical merit of system.Coal gasification apparatus is made up of devices such as gas generator body, coaling gear, ash handling equipment, blower system, desulfation dust-extraction device and electrical control cabinets.

For reducing the operating cost of system, select for use cheap coal to act as a fuel, because fire coal is forbidden in some cities or area; also be the promoted extension of raising system, use coal gasification apparatus, produce the fuel-coal gas of high-quality coal gasification; with the coal gas heating of burning of cleaning, be beneficial to environmental protection again.Three devices that need heating in the system can be by the heating-up temperature difference, and reasonable Arrangement to low heated in sequence, helps making full use of of heat energy by height.

Further improve as of the present invention, also can be equipped with waste gas treatment equipment 50 in the system, to improve the technical merit of system.Waste gas treatment equipment is made up of devices such as air-introduced machine, sack cleaner, adsorption tower and air channels.

Partial devices in material loading sorting arrangement 1, disintegrating apparatus 2 all installs the stainless steel enclosed hood additional, the top of enclosed hood is provided with induced duct and air-introduced machine, produce the waste gas of pernicious gases such as a large amount of dust-ladens, foul smell, also have outlet waste gas in the pneumatic separator 3 and other process gas etc., all send into and carry out purified treatment in the waste gas treatment equipment 50, qualified discharge behind wherein dust of filtering, the absorption pernicious gases such as foul smell wherein, the air pollution that can avoid the operation of system to bring also can be guaranteed the working environment in the workshop.

The present invention is not limited to above-mentioned embodiment; no matter how system architecture or technological process change, how different lectotype selection is; every with the hydrabeating mode reclaim paper pulp, with waste plastics carburetion mode reclaim plastics and with the roasting mode reclaim non-ferrous metal aluminium discarded paper, mould and treatment process that composite class resource reclaims, all drop within the scope of protection of the invention.

In addition, every equipment such as waste plastics packing, waste plastics granulation, coal gasification and exhaust-gas treatment that install additional on basis of the present invention improve, and to improve the system of whole adaptability and technical merit, all constitute infringement of the present invention.

Claims (9)

1. a cover is discarded paper, is moulded and composite resource recovery system; comprise: material loading sorting arrangement, disintegrating apparatus, pneumatic separator, cleaning equipment, beating equipment, pulp-water treatment facility, sewage disposal device, waste plastics carburetion equipment, aluminium powder reclaimer, control and safety features etc. automatically, it is characterized in that: described material loading sorting arrangement (1) is made up of devices such as hopper, conveyer belt, manual sorting's platform, letter sorting material material storage tube, hopper and conveying worms.Described disintegrating apparatus (2) is made up of devices such as hopper, efficient thick broken machine and conveying worms.Described pneumatic separator (3) is made up of devices such as air blast, casing and air channels.Described cleaning equipment (4) is made up of devices such as cleaning machine, temporary separating tank, conveying worm, circulating water pool and water circulating pumps.Described beating equipment (5) is made up of devices such as paper seperator, temporary separating tank and screw extrusion conveyers.Described pulp-water treatment facility (6) is made up of devices such as scratch pool, stock pump, rough filtering device, centrifugal pump, silt separation apparatus, fine filtering device, pulp-water seperator, extruser, Buffer Pool and back water pumps.Described sewage disposal device (7) is made up of devices such as filtering ponds (in establish grid), dosing pond, reaction tank, sedimentation basin, collecting-tank, chemicals dosing plant, sludge press filtration machine, pipeline dredge pump, elevator pump, pipeline, valve and electrical controls.Described waste plastics carburetion equipment (8) is made up of devices such as waste plastics drying unit, feed arrangement, cracking reaction still, automatic deslagging device, pot type cooling device, waste gas burning treating apparatus and electrical controls.Described aluminium powder reclaimer (9) is made up of devices such as helixes feed equipment, horizontal revolving roaster, fuel gas buring heater, aluminium powder sorting and packings.Described automatic control and safety features (10) are by host computer (industrial computer), Programmable Logic Controller, temperature/pressure adjusting apparatus/controller, burner control, compositions such as magnetic valve, electric butterfly valve, pressure sensor, travel switch, position switch, optoelectronic switch, thermocouple, breaker, auxiliary reclay, A.C. contactor, electrothermal relay and alarm.

2. discarded paper according to claim 1, mould and composite resource recovery system, it is characterized in that: devices such as the hopper in the described material loading sorting arrangement (1), conveyer belt, manual sorting's platform, hopper and conveying worm all install the stainless steel enclosed hood additional, and the top of enclosed hood is provided with induced duct and air-introduced machine.

3. discarded paper according to claim 1, mould and composite resource recovery system, it is characterized in that: devices such as the hopper in the described disintegrating apparatus (2), efficient thick broken machine and conveying worm all install the stainless steel enclosed hood additional, and the top of enclosed hood is provided with induced duct and air-introduced machine.

4. discarded paper according to claim 1, mould and composite resource recovery system, it is characterized in that: the silt separation apparatus in described pulp-water treatment facility (6) can adopt centrifugal separating device, and the pulp-water seperator can adopt devices such as first quarter moon sieve.

5. discarded paper according to claim 1, mould and composite resource recovery system, it is characterized in that: the cracking reaction still in the described waste plastics carburetion equipment (8) adopts the mode of heating of fuel gas buring, is convenient to the UTILIZATION OF VESIDUAL HEAT IN of pyrolysis off-gas.

6. discarded paper according to claim 1, mould and composite resource recovery system, it is characterized in that: the horizontal revolving roaster in the described aluminium powder reclaimer (9) adopts the mode of fuel gas buring interlayer heating.

7. discard paper according to claim 1 or 5, mould and composite resource recovery system, it is characterized in that: waste plastics baling equipment (20) and waste plastics Granulation Equipments (30) can be set in the described waste plastics carburetion equipment (8).

According to claim 1 or 5 and 6 described discarded paper, mould and composite resource recovery system, it is characterized in that: the horizontal revolving roaster in the waste plastics drying unit in described waste plastics carburetion equipment (8), waste plastics carburetion cracking reaction still and the aluminium powder reclaimer (9), three devices that need heating, for reducing the operating cost of system, adopt cheap coal to act as a fuel, also be the extent of spreading amd application of raising system, coal gasification apparatus (40) can be set in the system.

According to claim 1 and 2 and 3 described discarded paper, mould and composite resource recovery system, it is characterized in that: at the partial devices of described material loading sorting arrangement (1), disintegrating apparatus (2) and the waste gas of pneumatic separator (3) pernicious gases such as generation dust-laden, foul smell when moving, for avoiding environmental pollution, waste gas treatment equipment (50) can be set also in the system.