CN105729672A - Low-noise plastic granulation device convenient for raw material preheating - Google Patents
Low-noise plastic granulation device convenient for raw material preheating Download PDFInfo
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- CN105729672A CN105729672A CN201610273605.7A CN201610273605A CN105729672A CN 105729672 A CN105729672 A CN 105729672A CN 201610273605 A CN201610273605 A CN 201610273605A CN 105729672 A CN105729672 A CN 105729672A
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- raw material
- feed bin
- water
- cyclone separator
- sound insulation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/16—Auxiliary treatment of granules
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B2013/005—Degassing undesirable residual components, e.g. gases, unreacted monomers, from material to be moulded
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention relates to the technical field of plastic processing equipment, in particular to a low-noise plastic granulation device convenient for raw material preheating. The low-noise plastic granulation device comprises a stock bin, a material conveying pipeline, a material weigher, a material mixer, a temporary stock bin, an extruder, a modular surface hot-cutting granulator, a first cyclone separator, a second cyclone separator, a vibrating screen, a packager and pneumatic conveying systems; each pneumatic conveying system comprises a conveying fan, a connecting tee joint and a conveying pipeline; a heating runner and feeding channels are axially formed in the middle of the material conveying pipeline, and the conveying fans are sleeved with soundproof cover bodies; water connecting interlayers are arranged at the stock bin and shells of all the conveying pipelines, and the heating runner, the water connecting interlayer arranged at the stock bin and the water connecting interlayers arranged at all the conveying pipelines are sequentially connected and provided with liquid water flowing circularly through a circulating pump; the material mixer, the first cyclone separator and the second cyclone separate are each provided with a waste gas exhaust port, and all the waste gas exhaust ports are connected with a spray tower. The low-noise plastic granulation device can well preheat raw materials.
Description
Technical field
The present invention relates to device of plastic processing technical field, specifically, relate to a kind of low noise plastic granulating device being easy to raw material preheating.
Background technology
Plastics are with monomer for raw material, by the macromolecular compound (macromolecules) of addition polymerization or polycondensation polymerized, it is commonly called as plastics (plastics) or resin (resin), it can freely change composition and body styles, is generally made up of additives such as synthetic resin and filler, plasticizer, stabilizer, lubricant, colorants.Plastics are when being processed producing (pelletize), it is necessary to carry out the sequence of operations such as mixing, fervent, screening after plastics are prepared raw material mixing.
Existing in plastics-production line, generally adopt feed bin that plastics are prepared raw material and carry out larger amount of depositing, and be delivered to manufacture equipment place by pipeline.Owing to the characteristic that raw material itself is existing prepared by plastics so that plastics are prepared raw material and can not be preferably extracted when temperature is relatively low or carry, and this just leverages production efficiency.It addition, produce in (pelletize) process in plastic processing, producing substantial amounts of heat and waste gas, existing plastic processing produces and all can not preferably carry out the heat produced and waste gas preferably recycling or processing.In addition to the foregoing, in prior art, also lack one preferably induction system so that the plastic semi-finished product of preparation can preferably operate at each equipment room.
Summary of the invention
Cannot preferably carry out recycling and waste gas cannot preferably carry out the defect that processes in order to overcome existing plastic processing to produce heat in (pelletize) system, the invention provides a kind of recovery and processing system for plastic granulating.
The recovery and processing system for plastic granulating according to the present invention; it includes the feed bin, feeding pipe, weighing machine, batch mixer, interim feed bin, extruder, die face hot-cut pelletizers, the first cyclone separator, the second cyclone separator, vibrosieve and the packer that are sequentially connected with; it is equipped with wind model system between die face hot-cut pelletizers, the first cyclone separator and the second cyclone separator, between vibrosieve and packer, also is provided with wind model system；Wind model system includes the conveying fan, connecting tee and the conveyance conduit that are sequentially connected with, and connecting tee is connected with the discharging opening of higher level equipment, and conveyance conduit is also connected with the charging aperture of subordinate equipment simultaneously；
The housing place of feed bin and all conveyance conduits is equipped with intermediate layer of water-flowing, and the intermediate layer of water-flowing at feed bin place and the intermediate layer of water-flowing at all conveyance conduit places are sequentially connected with, and is provided with, in all intermediate layer of water-flowings, the aqueous water circulated by circulating pump；
Batch mixer, the first cyclone separator and the second cyclone separator place are equipped with outlet port, and all waste gases outlet is all connected with a spray column.
In the recovery and processing system for plastic granulating of the present invention; weighing machine, batch mixer and interim feed bin can constitute feed system, and extruder, die face hot-cut pelletizers, the first cyclone separator, the second cyclone separator, vibrosieve and packer can constitute system of processing.Feed system can be positioned at the upper strata of system of processing, consequently facilitating the material at feed system place is delivered to system of processing place, and can simplified system overall, it is simple to the enforcement of total system.Additionally, material after batch mixer processes can be deposited by interim feed bin temporarily, so that the charging at system of processing place can from the on-demand extraction of interim feed bin, overcome the existing plastics-production system not setting interim feed bin exists need to be extracted and the drawback such as the operation that causes is lengthy and jumbled from feed bin by feed system at any time because the charging at system of processing place.
In the recovery and processing system for plastic granulating of the present invention, by arranging 2 cyclone separator so that intermediate products prepared by plastics can preferably cool down, solid and gas separates.
In the recovery and processing system for plastic granulating of the present invention, the setting of wind model system so that the intermediate products of preparation can preferably transport between relevant device.
In the recovery and processing system for plastic granulating of the present invention, can preferably raw material be heated by the heat of the generation of production process by arranging the aqueous water circulated such that it is able to preferably realize the recycling of heat.
In the recovery and processing system for plastic granulating of the present invention, by arranging outlet port at batch mixer, the first cyclone separator and the second cyclone separator place and all waste gases outlet being connected with spray column so that the waste gas produced in plastic granulation process can preferably be processed.
As preferably, screw feeding machine being provided with between weighing machine and batch mixer.
In the recovery and processing system for plastic granulating of the present invention, the material between weighing machine and batch mixer can be transported by screw feeding machine, so that the material conveying condition between weighing machine and batch mixer can preferably be controlled.
As preferably, vibrosieve can adopt air-cooled vibrosieve.
As preferably, additionally it is possible to include being fed intake storehouse by the small powder that feeding pipe is connected with weighing machine.
In the recovery and processing system for plastic granulating of the present invention, the small powder the being separately provided storehouse that feeds intake makes, when producing different plastic products, it is possible to realize different proportionings relatively simplely.
In the recovery and processing system for plastic granulating of the present invention, feed bin, small powder feed intake storehouse or batch mixer place all can be provided with cleaner unit such that it is able to preferably ensure the quality of raw material.
In the recovery and processing system for plastic granulating of the present invention, short screw conveyer device can be provided with between interim feed bin and extruder such that it is able to preferably the blanking situation of interim feed bin is controlled.
In order to overcome, plastics preferably can not be prepared by existing plastics-production system the defect that raw material extracts, present invention also offers a kind of hot-water heating feed bin preparing raw material for plastics.
The hot-water heating feed bin preparing raw material for plastics according to the present invention, it feed bin body including being configured to tubular, feed bin base side surface helix is wound with water service pipe, and feed bin body lower part is configured with the water inlet connected with water service pipe, and feed bin body upper part is configured with the outlet connected with water service pipe；Water service pipe includes the U-tube of multiple clamping successively, is provided with one layer of overcoat outside water service pipe.
In the hot-water heating feed bin preparing raw material for plastics of the present invention, by arranging water service pipe at feed bin outer body, make it possible to, by passing into hot water in water service pipe, prepared by the plastics deposited in feed bin body raw material heat, so that raw material prepared by plastics can keep a preferably viscosity, and then it is easy to extract.It addition, water service pipe can be mainly made up of the U-tube of multiple clampings successively, so that water service pipe is easy to arrange.
In the hot-water heating feed bin preparing raw material for plastics of the present invention, it is additionally provided with one layer of overcoat outside water service pipe such that it is able to preferably feed bin body is protected.
As preferably, the material of U-tube can be such as aluminium alloy.
In the hot-water heating feed bin preparing raw material for plastics of the present invention, the material of U-tube can be the material that the thermal conductivitys such as such as aluminium alloy are higher, so that the heat in water service pipe can preferably by the raw material place of feed bin body conduction to storage inside.
As preferably, overcoat can be mainly spliced to form by multiple ceramic pasters.
In the hot-water heating feed bin preparing raw material for plastics of the present invention, overcoat can be mainly spliced to form by multiple ceramic pasters, so that overcoat is easy to arrange, the selection of ceramic paster simultaneously also makes overcoat possess preferably decay resistance, heat-insulating property etc..
As preferably, feed bin body lower part can be configured with the discharging opening connected with feed bin chamber body, and feed bin body upper part can be configured with the charging aperture connected with feed bin chamber body.
In the hot-water heating feed bin preparing raw material for plastics of the present invention, the setting of discharging opening and charging aperture makes material be easy to load and extract out.
As preferably, feed bin body side can be configured with manhole.
In the hot-water heating feed bin preparing raw material for plastics of the present invention, it is possible to by arranging manhole, enabling preferably feed bin body is carried out cleaning and safeguards.
In order to preferably the operating noise of institute's employing blower fan in plastics-production system is carried out noise reduction process, present invention also offers a kind of blower fan blimp.
Blower fan blimp according to the present invention, it includes the sound insulation cover body for covering on blower fan, sound insulation cover body by 5 pieces of mutual splicing structures of baffle become that Open Side Down hollow rectangular-shaped；Being positioned on wherein 2 pieces of baffles of blimp body side surface and be respectively equipped with air inlet and the exhaust duct road junction stretched out for exhaust duct, air inlet is provided with sound insulation net；Baffle includes being positioned at the gripper shoe of the external side of blimp and being positioned at the wave sponge of blimp body side.
In the blower fan blimp of the present invention, by installing the mode of blimp outside blower fan additional, it is possible to extremely easily the operating noise of blower fan is processed.Owing to blimp body can be spliced by baffle, and baffle can include gripper shoe and wave sponge such that it is able at many levels noise is absorbed, so that blimp body can preferably absorb the operating noise of blower fan.It addition, the air inlet of sound insulation cover body can also be provided with sound insulation net, thus the noise that air intake produces can not only preferably be reduced, additionally it is possible to preferably prevent the operating noise of blower fan from overflowing from air inlet.
As preferably, gripper shoe and wave sponge can be bonded as one.
In the blower fan blimp of the present invention, gripper shoe can be bonded as one with wave sponge, so that baffle is easy to make.
As preferably, gripper shoe being provided with multiple thermal vias.
In the blower fan blimp of the present invention, gripper shoe can be provided with multiple thermal vias, owing to wave sponge and gripper shoe all can produce substantial amounts of heat in the process that the operating noise of blower fan is absorbed and in blower fan course of normal operation, and blimp intracoelomic cavity is as a comparatively airtight space, if the heat in blimp body not evacuated timely and effectively, then the service life of sound insulation cover body and blower fan can be caused strong influence；By arranging multiple thermal vias on the supporting plate, preferably the heat in blimp body can not only preferably be dredged, and the sound wave through wave sponge can also preferably be filtered to promote further the anti-acoustic capability of sound insulation cover body by thermal vias.
As preferably, the outside of the wherein 2 pieces of relative baffles being positioned at blimp body side surface can be equipped with handle.
In the blower fan blimp of the present invention, two side plates that sound insulation cover body is relative can be provided with the handle for cooperating, consequently facilitating sound insulation cover body is carried by user.
As preferably, be positioned at blimp body side surface baffle lower limb outside can be equipped with support bar.
In the blower fan blimp of the present invention, outside bottom sound insulation cover body can also be equipped with support bar, so that blimp body can comparatively smoothly stand on ground, and can also preferably prevent the spilling of sound wave in the way of increasing sound insulation cover body and contact area of ground.
In one preferred embodiment of the blower fan blimp of the present invention, in arbitrary gripper shoe, the central shaft of all thermal vias is parallel mutually and become 30 ° of angles with this plate face such that it is able to preferably prevent extraneous hard thing from wave sponge being caused the injury that can not expect by thermal vias.
In order to preferably overcome existing plastics to prepare the defect that raw material can not better be carried when low temperature, present invention also offers a kind of raw material preheating pipeline for plastic granulating technique.
The raw material preheating pipeline for plastic granulating technique according to the present invention, it includes pipeline body, pipeline body includes constructing pillared pipe main body, it is configured with the heating flow channel for passing into high-temperature medium in the middle part of pipe main body vertically, is configured with at least one feeding-passage for passing into material with axially surrounding heating flow channel in pipe main body.
In the raw material preheating pipeline for plastic granulating technique of the present invention, plastic granulating raw material can be carried by the feeding-passage in pipe main body, and feeding-passage can be configured around heating flow channel, high-temperature medium can be passed in heating flow channel, so that the heat at high-temperature medium place can be transferred to the plastic granulating raw material place in feeding-passage by pipe main body, it is thus possible to preferably plastic granulating raw material is preheated so that plastic granulating raw material still is able to when ambient temperature is relatively low carry preferably by feeding-passage.
As preferably, pipe main body sidewall can be coated with one layer of heat insulation layer.
In the raw material preheating pipeline for plastic granulating technique of the present invention, pipe main body sidewall can be coated with one layer of heat insulation layer such that it is able to preferably prevents the heat at high-temperature medium place to scatter and disappear through pipe main body.
As preferably, the material of heat insulation layer can adopt aerogel blanket.
In the raw material preheating pipeline for plastic granulating technique of the present invention, the material of heat insulation layer adopts aerogel blanket so that heat insulation layer is easy to arrange and heat insulation effect preferably.
As preferably, the internal diameter of heating flow channel can be 1.5～2 times of feeding-passage internal diameter.
In the raw material preheating pipeline for plastic granulating technique of the present invention, the internal diameter of heating flow channel can be 1.5～2 times of feeding-passage internal diameter, so that the raw material in feeding-passage can relatively quickly be preheated by the high-temperature medium in heating flow channel, so that when raw material flow rate in feeding-passage is very fast, the high-temperature medium in heating flow channel also is able to preferably the raw material in feeding-passage be preheated.
As preferably, the inwall of heating flow channel can be provided with one layer of corrosion-inhibiting coating.
In the raw material preheating pipeline for plastic granulating technique of the present invention, the inwall of heating flow channel can be provided with one layer of corrosion-inhibiting coating such that it is able to preferably avoids the corrosion that heating flow channel is caused by high-temperature medium.
As preferably, the inwall of feeding-passage can be provided with one layer of corrosion-inhibiting coating.
In the raw material preheating pipeline for plastic granulating technique of the present invention, the inwall of feeding-passage also is able to be provided with one layer of corrosion-inhibiting coating such that it is able to preferably avoid the corrosion that feeding-passage is caused by raw material.
The present invention also aims to provide a kind of plastic granulating device being provided with hot-water heating feed bin, it can include any of the above-described kind of recovery and processing system for plastic granulating, and feed bin can adopt any of the above-described kind of hot-water heating feed bin preparing raw material for plastics；Wherein, the intermediate layer of water-flowing at water service pipe and all conveyance conduit places is sequentially connected with, and is provided with, in water service pipe and all intermediate layer of water-flowings, the aqueous water circulated by circulating pump.
The present invention also aims to provide a kind of plastic granulating device being provided with blower fan blimp, it can include any of the above-described kind of recovery and processing system for plastic granulating, and conveying fan place can be provided with any of the above-described kind of blower fan blimp.
The present invention also aims to provide a kind of plastic granulating device being provided with raw material preheating pipeline, it can include any of the above-described kind of recovery and processing system for plastic granulating, and feeding pipe can adopt any of the above-described kind of raw material preheating pipeline for plastic granulating technique；Wherein, heating flow channel, the intermediate layer of water-flowing at feed bin place and the intermediate layer of water-flowing at all conveyance conduit places are sequentially connected with, and are provided with, in heating flow channel and all intermediate layer of water-flowings, the aqueous water circulated by circulating pump.
The present invention also aims to provide a kind of low noise plastic granulating device being provided with hot-water heating feed bin, it can include any of the above-described kind of recovery and processing system for plastic granulating, feed bin can adopt any of the above-described kind of hot-water heating feed bin preparing raw material for plastics, and conveying fan place can be provided with any of the above-described kind of blower fan blimp；Wherein, the intermediate layer of water-flowing at water service pipe and all conveyance conduit places is sequentially connected with, and is provided with, in water service pipe and all intermediate layer of water-flowings, the aqueous water circulated by circulating pump.
The present invention also aims to provide a kind of plastic granulating device being easy to feedstock transportation, it can include any of the above-described kind of recovery and processing system for plastic granulating, feed bin can adopt any of the above-described kind of hot-water heating feed bin preparing raw material for plastics, and feeding pipe can adopt any of the above-described kind of raw material preheating pipeline for plastic granulating technique；Wherein, the intermediate layer of water-flowing at heating flow channel, water service pipe and all conveyance conduit places is sequentially connected with, and is provided with, in heating flow channel, water service pipe and all intermediate layer of water-flowings, the aqueous water circulated by circulating pump.
The present invention also aims to provide a kind of low noise plastic granulating device being easy to raw material preheating, it can include any of the above-described kind of recovery and processing system for plastic granulating, feeding pipe can adopt any of the above-described kind of raw material preheating pipeline for plastic granulating technique, and conveying fan place can be provided with any of the above-described kind of blower fan blimp；Wherein, heating flow channel, the intermediate layer of water-flowing at feed bin place and the intermediate layer of water-flowing at all conveyance conduit places are sequentially connected with, and are provided with, in heating flow channel and all intermediate layer of water-flowings, the aqueous water circulated by circulating pump.
The present invention also aims to provide the low noise plastic granulating device of a kind of efficient charging, it can include any of the above-described kind of recovery and processing system for plastic granulating, feed bin can adopt any of the above-described kind of hot-water heating feed bin preparing raw material for plastics, feeding pipe can adopt any of the above-described kind of raw material preheating pipeline for plastic granulating technique, and conveying fan place can be provided with any of the above-described kind of blower fan blimp；Wherein, the intermediate layer of water-flowing at heating flow channel, water service pipe and all conveyance conduit places is sequentially connected with, and is provided with, in heating flow channel, water service pipe and all intermediate layer of water-flowings, the aqueous water circulated by circulating pump.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the feed system of a kind of plastics-production system in embodiment 1；
Fig. 2 is the schematic diagram of the system of processing of a kind of plastics-production system in embodiment 1；
Fig. 3 is the schematic diagram of feed bin in embodiment 1；
Fig. 4 is the schematic diagram of sound insulation cover body in embodiment 1；
Fig. 5 is the schematic diagram of baffle in embodiment 1；
Fig. 6 is the schematic diagram of feeding pipe in embodiment 1.
Detailed description of the invention
For further appreciating that present disclosure, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.It should be appreciated that embodiment be only the present invention made an explanation and and non-limiting.
Embodiment 1
Present embodiments providing a kind of plastics-production system, it includes feed bin 1, small powder feeds intake storehouse 101, feed system and system of processing, the heat produced in production process can preferably be recycled by it, noise is low and can preferably waste gas be processed.
As it is shown in figure 1, weighing machine 3, batch mixer 4 and interim feed bin 5 that feed system includes being sequentially connected with, feed bin 1 and the small powder storehouse 101 that feeds intake is connected with weighing machine 3 each through feeding pipe 2, is provided with screw feeding machine 304 between weighing machine 3 and batch mixer 4.
As in figure 2 it is shown, system of processing includes the extruder 6, die face hot-cut pelletizers the 7, first cyclone separator the 8, second cyclone separator 9, vibrosieve 10 and the packer 11 that are sequentially connected with, extruder 6 is connected with interim feed bin 5.It is equipped with wind model system 12 between die face hot-cut pelletizers the 7, first cyclone separator 8 and the second cyclone separator 9, between vibrosieve 10 and packer 11, also is provided with wind model system 12；Wind model system 12 includes the conveying fan 1201, connecting tee 1202 and the conveyance conduit 1203 that are sequentially connected with, and connecting tee 1202 is connected with the discharging opening of higher level equipment, and conveyance conduit 1203 is also connected with the charging aperture of subordinate equipment simultaneously.
In the present embodiment, feed system is positioned at system of processing upper strata such that it is able to preferably simplify the setting of whole production system.
In the present embodiment, the setting of interim feed bin 5 makes, and the material mixed through batch mixer 4 can be deposited in interim feed bin 5 temporarily, is enable to raw material carries out premix material and preserves in advance, thus greatly simplifiing operating process.
In the present embodiment, the semi-finished product of preparation can transport between relevant device through wind model system 12, consequently facilitating half-finished transport of preparation.
In the present embodiment, feed bin 1, small powder feed intake storehouse 101 and batch mixer 4 place is also equipped with cleaner unit such that it is able to preferably ensure the quality of raw material.
In the present embodiment, between interim feed bin 5 and extruder 6, it is provided with short screw conveyer device such that it is able to preferably the blanking situation of interim feed bin 5 is controlled.
As shown in Figure 3, feed bin 1 includes the feed bin body 110 being configured to tubular, feed bin body 110 side spiral winding has water service pipe 120, feed bin body 110 infrastructure to have the water inlet 121 connected with water service pipe 120, and feed bin body 110 superstructure has the outlet 122 connected with water service pipe 120；Water service pipe 120 includes the U-tube of multiple clamping successively, is provided with one layer of heat preservation layer 130 outside water service pipe 120, is provided with one layer of overcoat 140 outside heat-insulation layer 130.
In the present embodiment, the material of U-tube is aluminium alloy, and overcoat 140 is mainly spliced to form by multiple ceramic pasters；Feed bin body 110 infrastructure has and the discharging opening 111 of feed bin body 110 inner space, and feed bin body 110 superstructure has and the charging aperture 112 of feed bin body 110 inner space；Feed bin body 110 side surface configurations has manhole 113, heat-insulation layer 130 to include the polylith polyurethane thermal insulation board fitted in outside water service pipe 120.
In the present embodiment, by at feed bin body 110 arranged outside water service pipe 120, make it possible to by water service pipe 120, pass into hot water and to feed bin body 110 in the plastics deposited prepare raw material and heat so that plastics are prepared raw material and can be kept a preferably viscosity, and then be easy to extract.It addition, water service pipe 120 can be mainly made up of the U-tube of multiple clampings successively, so that water service pipe 120 is easy to arrange.
In the present embodiment, feed bin body 110 can be preferably incubated by the one layer of heat preservation layer 130 of water service pipe 120 arranged outside, and then can effectively prevent the loss of heat.Heat-insulation layer 130 can include the polylith polyurethane thermal insulation board fitted in outside water service pipe 120, so that heat-insulation layer 130 is easy to arrange and less costly.One layer of overcoat 140 it is additionally provided with such that it is able to preferably feed bin body 110 is protected outside heat-insulation layer 130.Overcoat 140 can be mainly spliced to form by multiple ceramic pasters, so that overcoat 140 is easy to arrange, the selection of ceramic paster simultaneously also makes overcoat 140 possess preferably decay resistance, heat-insulating property etc..
In the present embodiment, the material of U-tube can be the material that the thermal conductivitys such as such as aluminium alloy are higher, so that the heat in water service pipe 120 can conduct to raw material place preferably by feed bin body 110.
In the present embodiment, by arranging manhole 113, enabling preferably feed bin body 110 is carried out cleaning and safeguards.
As shown in Figure 4, arbitrary conveying fan 1201 place is all covered with sound insulation cover body 200, and by the mutual splicing structure of 5 pieces of baffles 210, sound insulation cover body 200 becomes that Open Side Down hollow rectangular-shaped；Being positioned on wherein 2 pieces of baffles 210 of sound insulation cover body 200 side and be respectively equipped with air inlet and the exhaust duct road junction 230 stretched out for exhaust duct, air inlet is provided with sound insulation net 220.The outside of the wherein 2 pieces of relative baffles 210 being positioned at sound insulation cover body 200 side is equipped with handle 240, be positioned at sound insulation cover body 200 side baffle 210 lower limb outside be equipped with support bar 250.
As it is shown in figure 5, baffle 210 includes being positioned at the gripper shoe 320 outside sound insulation cover body 200 and is positioned at the wave sponge 310 inside sound insulation cover body 200, gripper shoe 320 and wave sponge 310 are bonded as one, and gripper shoe 320 is provided with multiple thermal vias 321.
In the present embodiment, in arbitrary gripper shoe 320, the central shaft of all thermal vias 321 is parallel mutually and become 30 ° of angles with this plate face such that it is able to preferably prevent foreign body from entering in thermal vias 321.
In the present embodiment, by installing the mode of sound insulation cover body 200 outside conveying fan 1201 additional, it is possible to extremely easily the operating noise of conveying fan 1201 is processed.Owing to sound insulation cover body 200 can be spliced by baffle 210, and baffle 210 can include gripper shoe 320 and wave sponge 310, it is thus possible at many levels noise is absorbed so that sound insulation cover body 200 can preferably absorb the operating noise of conveying fan 1201.It addition, the air inlet of conveying fan 1201 can also be provided with sound insulation net 220, thus the noise that air intake produces can not only preferably be reduced, additionally it is possible to preferably prevent the operating noise of conveying fan 1201 from overflowing from air inlet.
In the present embodiment, gripper shoe 320 can be bonded as one with wave sponge 310, so that baffle 210 is easy to make.Gripper shoe 320 can be provided with multiple thermal vias 321, owing to wave sponge 310 and gripper shoe 320 all can produce substantial amounts of heat in the process that the operating noise of conveying fan 1201 is absorbed and in conveying fan 1201 course of normal operation, and sound insulation cover body 200 inner chamber is as a comparatively airtight space, if the heat in sound insulation cover body 200 not evacuated timely and effectively, then the service life of sound insulation cover body 200 and conveying fan 1201 can be caused strong influence；By arranging multiple thermal vias 321 in gripper shoe 320, preferably the heat in sound insulation cover body 200 can not only preferably be dredged, and the sound wave through wave sponge 310 can also preferably be filtered to promote further the anti-acoustic capability of sound insulation cover body 200 by thermal vias 321.
In the present embodiment, two side plates that sound insulation cover body 200 is relative can be provided with the handle 240 for cooperating, consequently facilitating sound insulation cover body 200 is carried by user.
Outside bottom sound insulation cover body 200 can also be equipped with support bar 250, so that sound insulation cover body 200 can comparatively smoothly stand on ground, and can also preferably prevent the spilling of sound wave in the way of increasing sound insulation cover body 200 and contact area of ground.
As shown in Figure 6, feeding pipe 2 includes pipeline body 400, pipeline body 400 includes constructing pillared pipe main body 410, the heating flow channel 411 for passing into high-temperature medium it is configured with vertically in the middle part of pipe main body 410, axially surrounding heating flow channel 411 ground in pipe main body 410 and be configured with at least one feeding-passage 412 for passing into material, feeding-passage 412 and feed bin 1 or the small powder storehouse 101 that feeds intake is attached one to one.
Pipe main body 410 sidewall one layer of heat insulation layer 420 of cladding, the material of heat insulation layer 420 adopts aerogel blanket.The inwall of heating flow channel 411 is provided with one layer of corrosion-inhibiting coating (not shown), and the inwall of feeding-passage 412 also is provided with one layer of corrosion-inhibiting coating (not shown).
In the present embodiment, the quantity of feeding-passage 412 is 4, and it can meet the charging of different material within 4 kinds simultaneously.It addition, the internal diameter of heating flow channel 411 can be 1.5～2 times of feeding-passage 412 internal diameter, in the present embodiment, this multiple is 1.6 times.
In the present embodiment, the feeding-passage 412 that plastics-production raw material can pass through in pipe main body 410 is carried, and feeding-passage 412 can be configured around heating flow channel 411, high-temperature medium can be passed in heating flow channel 411, so that the heat at high-temperature medium place can pass through pipe main body 410 is transferred to the plastics-production raw material place in feeding-passage 412, it is thus possible to preferably plastics-production raw material is preheated so that plastics-production raw material still is able to when ambient temperature is relatively low carry preferably by feeding-passage 412.
In the present embodiment, pipe main body 410 sidewall can be coated with one layer of heat insulation layer 420 such that it is able to preferably prevents the heat at high-temperature medium place to scatter and disappear through pipe main body 410.The material of heat insulation layer 420 adopts aerogel blanket so that heat insulation layer 420 is easy to arrange and heat insulation effect preferably.
Additionally, the internal diameter of heating flow channel 411 can be 1.5～2 times of feeding-passage 412 internal diameter, so that the raw material in feeding-passage 412 can relatively quickly be preheated by the high-temperature medium in heating flow channel 411, so that when raw material flow rate in feeding-passage 412 is very fast, the high-temperature medium in heating flow channel 411 also is able to preferably the raw material in feeding-passage 412 be preheated.
In the present embodiment, the inwall of heating flow channel 411 and feeding-passage 412 all can be provided with one layer of corrosion-inhibiting coating such that it is able to preferably avoids the corrosion that heating flow channel 411 or feeding-passage 412 are caused by high-temperature medium or raw material.
In the present embodiment, the housing place of all conveyance conduits 1203 is equipped with intermediate layer of water-flowing, the intermediate layer of water-flowing at heating flow channel 411, water service pipe 120 and all conveyance conduits 1203 place is sequentially connected with, and is provided with, in heating flow channel 411, water service pipe 120 and all intermediate layer of water-flowings, the aqueous water circulated by circulating pump.
In the present embodiment, it is provided with, in heating flow channel 411, water service pipe 120 and all intermediate layer of water-flowings, the aqueous water circulated by circulating pump, it is heated it is thus possible to preferably the heat at all conveyance conduit 1203 places is reclaimed for plastics-production raw material or is incubated, and then preferably achieve the recycling of heat.
In the present embodiment, batch mixer the 4, first cyclone separator 8 and the second cyclone separator 9 place are equipped with outlet port, and all waste gases outlet is all connected with a spray column.
In the present embodiment, the waste gas that batch mixer the 4, first cyclone separator 8 and the second cyclone separator 9 place discharge, it is possible to process preferably by spray column such that it is able to effectively waste gas is processed.
Schematically the present invention and embodiment thereof being described above, this description does not have restricted, and shown in accompanying drawing is also one of embodiments of the present invention, and actual structure is not limited thereto.So, if those of ordinary skill in the art is enlightened by it, when without departing from the invention objective, design the frame mode similar to this technical scheme and embodiment without creationary, protection scope of the present invention all should be belonged to.
Claims (5)
1. it is easy to the low noise plastic granulating device of raw material preheating, it is characterized in that: include the feed bin (1) being sequentially connected with, feeding pipe (2), weighing machine (3), batch mixer (4), interim feed bin (5), extruder (6), die face hot-cut pelletizers (7), first cyclone separator (8), second cyclone separator (9), vibrosieve (10) and packer (11), die face hot-cut pelletizers (7), wind model system (12) it is equipped with between first cyclone separator (8) and the second cyclone separator (9), wind model system (12) it also is provided with between vibrosieve (10) and packer (11)；Wind model system (12) includes the conveying fan (1201), connecting tee (1202) and the conveyance conduit (1203) that are sequentially connected with, connecting tee (1202) is connected with the discharging opening of higher level equipment, and conveyance conduit (1203) is also connected with the charging aperture of subordinate equipment simultaneously；
Feeding pipe (2) includes pipeline body (400), pipeline body (400) includes constructing pillared pipe main body (410), pipe main body (410) middle part is configured with the heating flow channel (411) for passing into high-temperature medium vertically, is configured with at least one feeding-passage (412) for passing into material in pipe main body (410) with axially surrounding heating flow channel (411)；
Conveying fan (1201) place is covered with sound insulation cover body (200), sound insulation cover body (200) by 5 pieces of baffles (210) mutually splicing structure become that Open Side Down hollow rectangular-shaped；Being positioned on wherein 2 pieces of baffles (210) of sound insulation cover body (200) side and be respectively equipped with air inlet and the exhaust duct road junction (230) stretched out for exhaust duct, air inlet is provided with sound insulation net (220)；Baffle (210) includes being positioned at the gripper shoe (320) in sound insulation cover body (200) outside and being positioned at the wave sponge (310) of sound insulation cover body (200) inner side；
The housing place of feed bin (1) and all conveyance conduits (1203) is equipped with intermediate layer of water-flowing, heating flow channel (411), the intermediate layer of water-flowing at feed bin (1) place and the intermediate layer of water-flowing at all conveyance conduits (1203) place are sequentially connected with, and are provided with, in heating flow channel (411) and all intermediate layer of water-flowings, the aqueous water circulated by circulating pump；
Batch mixer (4), the first cyclone separator (8) and the second cyclone separator (9) place are equipped with outlet port, and all waste gases outlet is all connected with a spray column.
2. the low noise plastic granulating device being easy to raw material preheating according to claim 1, it is characterised in that: gripper shoe (320) and wave sponge (310) are bonded as one.
3. the low noise plastic granulating device being easy to raw material preheating according to claim 1, it is characterised in that: gripper shoe (320) is provided with multiple thermal vias (321).
4. the low noise plastic granulating device being easy to raw material preheating according to claim 1, it is characterised in that: pipe main body (410) sidewall one layer of heat insulation layer (420) of cladding.
5. the low noise plastic granulating device being easy to raw material preheating according to claim 1, it is characterised in that: the internal diameter of heating flow channel (411) is 1.5～2 times of feeding-passage (412) internal diameter.
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