CN212421971U - Foaming and dyeing integrated production line for high polymer material products - Google Patents
Foaming and dyeing integrated production line for high polymer material products Download PDFInfo
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- CN212421971U CN212421971U CN202021911696.0U CN202021911696U CN212421971U CN 212421971 U CN212421971 U CN 212421971U CN 202021911696 U CN202021911696 U CN 202021911696U CN 212421971 U CN212421971 U CN 212421971U
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Abstract
The utility model discloses a foaming and dyeing integration production line of macromolecular material goods, this production line include foaming dyeing cauldron, pressure control module, dyestuff separation module, fluid liquefaction storage module, fluid pressurization transport module, fluid heating module and dyeing circulation module, the utility model discloses a production line collects one step of foaming of macromolecular material and supercritical fluid dyeing function as an organic whole, simple structure, and the function is comprehensive, convenient operation, and production efficiency is high, and product quality is good, and is with low costs, can dye foaming, simple foaming or simple dyeing operation to macromolecular material.
Description
Technical Field
The utility model relates to a macromolecular material supercritical fluid foaming dyeing processing technology field, more specifically say, relate to a foaming and dyeing integration production line of macromolecular material goods.
Background
Chinese patent CN 109385058 discloses a method for preparing a polymer non-mold three-dimensional structure foaming product by supercritical fluid, which comprises a supercritical fluid conveying system, a three-dimensional foaming system and a preheating system, wherein a polymer raw material is pressurized and molded to obtain a foaming pre-molding piece, then the foaming pre-molding piece is preheated in the preheating system, the foaming pre-molding piece is conveyed into the three-dimensional foaming system after the temperature is raised to the preheating temperature, the supercritical fluid is introduced, and the supercritical fluid is decompressed after swelling and diffusion to the polymer are completed, so that foaming is completed. The foaming method only has a foaming process, and cannot be realized if a color material is required at the same time. Meanwhile, the foaming process needs a preheating system for processing and then enters a foaming system for foaming, so that the operation steps are multiple, a plurality of system devices are needed for implementation, the production time is long, the cost is high, and the method can not be realized for materials needing various colors.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned defect among the prior art, provide a foaming and dyeing integration production line of macromolecular material goods.
In order to achieve the above object, the present invention provides an integrated production line for foaming and dyeing polymer material products, which comprises a foaming and dyeing kettle for foaming and/or dyeing, a pressure control module for controlling the operating pressure of the foaming and dyeing kettle, and a CO controller for controlling the CO2Dye separation module for separating CO from dye remaining after dyeing2Liquefied and stored fluid liquefaction storage module for CO2Pressurized fluid delivery module for CO2Fluid heating module for heating and for CO2The dyeing system comprises a pressure control module, a dye separation module, a fluid pressurization conveying module, a fluid heating module, a dyeing circulation module and a control module, wherein the pressure control module is connected with a first fluid outlet of the foaming and dyeing kettle, the dye separation module is connected between the pressure control module and the fluid liquefaction storage module, the fluid pressurization conveying module is connected between the fluid liquefaction storage module and the fluid heating module, the fluid heating module is respectively connected with a fluid inlet of the foaming and dyeing kettle and the dyeing circulation module, and the dyeing circulation module is respectively connected with a fluid inlet of the foaming and dyeing kettle and a second fluid outlet of the foaming and dyeing kettle.
As the preferred embodiment, the foaming and dyeing kettle comprises a kettle body, an end cover, a stirring driver and a stirring paddle, wherein the kettle body is arranged horizontally, the end cover is arranged inside the opening end of the kettle body in a sealing manner, the stirring driver is axially arranged at the end sealing end of the kettle body, a stirring shaft of the stirring driver penetrates through the kettle body and extends into the kettle body, the stirring shaft is connected with the stirring paddle positioned inside the kettle body, and the end cover adopts a wedge type quick-opening locking cover mechanism to realize locking cover and opening cover with the kettle body.
As a preferred embodiment, the pressure control module includes an automatic pressure regulating valve, a first switch valve is disposed between an inlet end of the automatic pressure regulating valve and a first fluid outlet of the foam dyeing kettle, and an outlet end of the automatic pressure regulating valve is connected to the dye separation module.
As a preferred embodiment, the dye separation module comprises an evaporator and a dye recovery separation kettle, an inlet end of the evaporator is connected with the pressure control module, an outlet end of the evaporator is connected with an inlet end of the dye recovery separation kettle, an outlet end of the dye recovery separation kettle is connected with the fluid liquefaction storage module, and a recovery port of the dye recovery separation kettle is provided with a second switch valve.
In a preferred embodiment, the fluid liquefaction storage module comprises a condenser, CO2Circulating storage tank, CO2Make-up storage tank and CO2The inlet end of the condenser is connected with the dye separation module, and the outlet end of the condenser is connected with the CO2The inlet end of the circulating storage tank is connected with the CO2The outlet end of the circulating storage tank is connected with a fluid pressurization conveying module, and the CO is2The transfer pump is connected to CO2Outlet of supply tank and CO2Between the fluid make-up ports of the circulating reservoir, the CO2Transfer pump and CO2A third switch valve is arranged between the supply storage tanks.
As a preferred embodiment, the fluid pressurized delivery module comprises CO2High pressure pump, said CO2The inlet end of the high-pressure pump is connected with the outlet end of the fluid liquefaction storage module, and the CO is2The outlet end of the high-pressure pump is connected with the fluid heating module.
As a preferred embodiment, the fluid heating module comprises a heater, the outlet end of the heater is provided with a fourth switching valve, and the outlet end of the fourth switching valve is respectively connected with the fluid inlet of the foaming and dyeing kettle and the dyeing circulation module.
As a preferred embodiment, the dyeing circulation module comprises a dyeing circulation pump and a dye kettle, a fifth switch valve is arranged between the outlet end of the dyeing circulation pump and the fluid inlet of the foaming dyeing kettle, the outlet end of the dye kettle is connected with the inlet end of the dyeing circulation pump, and a sixth switch valve is arranged between the inlet end of the dye kettle and the second fluid outlet of the foaming dyeing kettle.
As a preferred embodiment, the production line further comprises means for providing N during the foaming operation2N of (A)2Supply module, said N2The outlet end of the supply module is connected between the fluid pressurization conveying module and the fluid heating module, and the N2The supply module comprises N2Storage tank, N2High pressure pump and carburetor, N2Outlet end of storage tank and N2A seventh switch valve is arranged between the inlet ends of the high-pressure pumps, and the inlet end of the vaporizer is connected with N2And the outlet end of the vaporizer is connected between the fluid pressurizing and conveying module and the fluid heating module.
As a preferred embodiment, the production line further comprises an emptying module for reducing noise when the high-pressure fluid after foaming is emptied through pressure relief, the emptying module is connected with the first fluid outlet of the foam dyeing kettle, the emptying module comprises a silencer and an eighth switch valve, and the eighth switch valve is connected between the silencer and the first fluid outlet of the foam dyeing kettle.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model discloses a production line collects one step of foaming of macromolecular material and supercritical fluid dyeing function as an organic whole, can divide different process stages to accomplish in a device of foaming dyeing cauldron and preheat, foaming and dyeing operation, can make the accurate, the fine and close micropore foaming goods of bubble, hardness are controllable of size, can realize the dyeing of foaming goods simultaneously, its simple structure, reasonable in design, the function is comprehensive, convenient operation, production efficiency is high, product quality is good, and is with low costs.
2. The utility model discloses a flexible operation of production line can dye foaming, simple foaming or simple dyeing operation to macromolecular material.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a block diagram of an integrated foaming and dyeing production line for polymer material products according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an integrated foaming and dyeing production line for polymer material products according to an embodiment of the present invention;
fig. 3 is a sectional view of a foam dyeing kettle according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example one
Referring to fig. 1, an embodiment of the present invention provides an integrated foaming and dyeing production line for polymer material products, including a foaming and dyeing kettle 1 for foaming and/or dyeing, a pressure control module 2 for controlling the pressure of the foaming and dyeing kettle 1, and a CO controller for controlling CO2 Dye separation module 3 for separating CO from dye remaining after dyeing2Liquefied and stored fluid liquefaction storage module 4 for CO2Pressurized fluid delivery module 5 for CO2 Fluid heating module 6 for heating and for CO2The dyeing circulation module 7 that carries out the dyeing in the cooperation is carried the dyestuff circulation to foaming dyeing cauldron 1, and pressure control module 2 is connected with the first fluid outlet of foaming dyeing cauldron 1, and dyestuff separation module 3 is connected between pressure control module 2 and fluid liquefaction storage module 4, and fluid pressurization is defeatedThe delivery module 5 is connected between the fluid liquefaction storage module 4 and the fluid heating module 6, the fluid heating module 6 is respectively connected with the fluid inlet of the foaming and dyeing kettle 1 and the dyeing circulation module 7, and the dyeing circulation module 7 is respectively connected with the fluid inlet of the foaming and dyeing kettle 1 and the second fluid outlet of the foaming and dyeing kettle 1.
As a further improvement of this embodiment, according to needs, this production line can also add the unloading module 8 that is used for making the high-pressure fluid after the foaming end noise reduction when carrying out the pressure release unloading, and unloading module 8 is connected with the first fluid outlet of foaming dyeing cauldron 1.
As a further improvement of this embodiment, the production line may be further augmented, as required, with a system for providing N during the foaming operation2N of (A)2 Supply module 9, N2The outlet end of the supply module 9 is connected between the fluid pressurizing and delivering module 5 and the fluid heating module 6.
The foaming and dyeing integrated production method of the polymer material product in the embodiment I comprises the following steps:
(1) material filling: putting the polymer material prefabricated part into a foaming dyeing kettle 1, and putting dye for dyeing into a dyeing circulating module 7;
(2) supercritical fluid dyeing: liquefying CO in a storage module 4 from a fluid2After being pressurized by the fluid pressurizing and conveying module 5 and heated by the fluid heating module 6 in sequence, the mixture is gasified and injected into the foaming and dyeing kettle 1, and when CO is generated2When the supercritical state meeting the dyeing process requirement is reached, the pressurization is stopped, and then the dyeing circulation module 7 is started to enter the dyeing circulation process, so that the CO in the supercritical state is enabled2Enters the dyeing cycle module 7 and dissolves the dye, CO, in the dyeing cycle module 72The carried dye returns to the foaming and dyeing kettle 1 to dye the high polymer material prefabricated part in the foaming and dyeing kettle 1 with the required color, and after the dyeing meets the requirement, CO2Flows out of the foaming and dyeing kettle 1, is decompressed by a pressure control module 2, and CO is separated by a dye separation module 32Separating from the residual dye after dyeing to separate CO from the dye2Entering a fluid liquefaction storage module 4 for liquefaction and storage;
(3) one-step foaming: after the dyeing process is finished, according to the fluid proportion required by foaming, injecting CO heated by the pressurization of the fluid pressurization conveying module 5 and the fluid heating module 6 into the foaming dyeing kettle 12And/or N2When the requirement of the foaming process is met, the pressurization is stopped, and the foaming operation is started;
(4) unloading: and after the foaming process is finished, opening the foaming and dyeing kettle 1, and taking out the foamed and dyed polymer material product in the foaming and dyeing kettle 1.
The polymer material preform may include, but is not limited to, a sheet, a pellet, or a three-dimensional object made of any one of polyethylene, polylactic acid, polypropylene, polystyrene, polymethyl methacrylate, polycarbonate, acrylonitrile-butadiene-styrene copolymer, polyethylene terephthalate, polyamide, polyimide, polyphenylene sulfide, polyether sulfone, polyether ether ketone, rubber, silicone rubber, ethylene propylene diene monomer, ethylene vinyl acetate copolymer, thermoplastic polyurethane, and thermoplastic elastomer, or a combination thereof.
The dye may include any one or combination of, but is not limited to, a disperse dye, an ice dye, a cationic dye, a reactive dye, an acid dye, a condensation dye.
According to different materials of the high polymer material product, the dyeing and foaming temperatures can be respectively controlled at 60-200 ℃, the dyeing and foaming pressures can be respectively controlled at 10-35 MPa, and the dyeing and foaming times can be respectively controlled at 40-180 minutes.
The fluid for dyeing and foaming can be CO according to different materials of the high polymer material product2、N2Or mixing the two components in a certain proportion.
The fluid combination can be repeated for a plurality of times in different schemes in one foaming process according to different foaming requirements.
The polymer material may be subjected to dyeing foaming, simple foaming or simple dyeing as required.
Example two
Implementation of the utility modelThe second embodiment provides an integrated foaming and dyeing production line for polymer material products, which also comprises a foaming and dyeing kettle 1 for foaming and/or dyeing, a pressure control module 2 for controlling the pressure of the foaming and dyeing kettle 1, and a CO mixing device for mixing CO2 Dye separation module 3 for separating CO from dye remaining after dyeing2Liquefied and stored fluid liquefaction storage module 4 for CO2Pressurized fluid delivery module 5 for CO2 Fluid heating module 6 for heating and for CO2In cooperation with the dyeing circulation module 7 for circularly conveying the dye to the foam dyeing kettle 1 for dyeing, on the basis of the first embodiment, the following improvements are made to each component of the production line of the second embodiment:
as shown in fig. 2 and fig. 3, the foam dyeing kettle 1 is a main equipment of the production line, and is a horizontal autoclave, specifically, the foam dyeing kettle 1 may include a kettle body 11, an end cap 12, a stirring driver 115 and a stirring paddle 116, the kettle body 11 is arranged horizontally, so as to facilitate loading, cleaning or other operations of materials, the interior of the kettle body 11 is hollow, and one end of the kettle body 11 is open to form an open end, and the other end is closed to form a closed end. In addition, the kettle body 11 is provided with a fluid inlet 16 and two fluid outlets 17 which are respectively communicated with the interior of the kettle body 11, the fluid inlet 16 can be arranged at the end sealing end of the kettle body 11, and the fluid outlets 17 can be arranged at the top and/or the bottom of the kettle body 11 and are close to the opening end of the kettle body 11.
The stirring driver 115 is axially installed at the end-sealed end of the kettle body 11, the stirring shaft of the stirring driver 115 penetrates through the kettle body 11 and extends into the kettle body 11, the stirring shaft of the stirring driver 115 is connected with the stirring paddle 116 located inside the kettle body 11, and the stirring driver 115 can drive the stirring paddle 116 to rotate. In this embodiment, the stirring driver 115 may preferably be provided as a magnetic stirrer. The stirring driver can drive the stirring paddle to rotate, so that fluid in the kettle body is driven to generate convection circulation, the convection heat transfer is increased, the uniform distribution degree of the temperature in the kettle is improved, the temperature at each position in the kettle body tends to be consistent, the consistency of the shape and parameters of a foaming product is ensured, and the yield of the product is improved.
Since the stirring shaft of the stirring driver 115 needs to pass through the hole of the kettle 11, a high-pressure self-tightening seal between the stirring driver 115 and the sealing end of the kettle 11 needs to be realized by the first sealing ring 117.
Preferably, the stirring driver 115 may be installed eccentrically to the axis of the vessel 11. Wherein, the stirring paddle is more favorable for promoting the fluid in the kettle to form convection because the stirring driver is eccentrically arranged with the axis of the kettle body.
As shown in fig. 3, the end cover 12 is hermetically installed inside the open end of the kettle 11, the end cover 12 can close the opening of the kettle 11, wherein an O-shaped second sealing ring 19 is arranged between the end cover 12 and the inner wall of the kettle 11, and the end cover 12 can be sealed with the kettle 11 in a high-pressure self-tightening manner through the second sealing ring 19.
As shown in fig. 3, a material frame 13 is placed in the kettle 11, one end of the material frame 13 is fixedly connected with the inner end of the end cover 12, the material frame 13 is arranged into a frame structure for loading or suspending materials, wherein the end cover is connected with the material frame to form an integrated structure, so that the material frame can be opened/closed with the end cover into a whole, the end cover only needs to move along one axial direction, the operation is simpler and more convenient, after the cover is opened, the end cover does not need to move along the radial direction due to the entrance and exit of the material frame, the cover opening operation is simplified, and the operation space is saved.
Preferably, the bottom of the material frame 13 may further be provided with a guide wheel 114 to facilitate the in-and-out movement of the material frame 13.
As shown in fig. 3, a heat-insulating jacket 110 may be disposed outside the kettle 11, a heat-insulating interlayer is formed between the heat-insulating jacket 110 and the kettle 11, and the heat-insulating jacket 110 is provided with a heat-insulating medium inlet 111 and a heat-insulating medium outlet 112 respectively communicated with the heat-insulating interlayer. Preferably, the heat-insulating medium inlet 111 may be disposed at the top of one end of the kettle 11, the heat-insulating medium outlet 112 may be disposed at the bottom of the other end of the kettle 11, and the heat-insulating medium may be hot water, hot oil, or the like.
In addition, the outside of the heat-insulating jacket 110 may be provided with a bracket 113 for supporting the entire foaming autoclave.
As shown in fig. 3, the end cover may be locked and unlocked with the kettle body by using a wedge-type quick-opening cover-locking mechanism, the wedge-type quick-opening cover-locking mechanism may include a wedge driving device 15 and a wedge 14, the wedge driving device 15 is installed at an outer end portion of the end cover 12, and the wedge driving device 15 is in transmission connection with the wedge 14. A clamping groove 18 for clamping and matching with the wedge block 14 is formed on the inner wall of the opening end of the kettle body 11.
In this embodiment, the wedge 14 may preferably have five pieces, the wedge driving device 15 may preferably have five pieces, each wedge 14 may be respectively configured to be an arc shape, the five wedge pieces 14 may be combined to form an annular structure, and correspondingly, the clamping groove 18 of the kettle 11 may also be configured to be a matched annular clamping groove. The locking effect of the combined wedge block structure is good. In a specific embodiment, the wedge drive 15 may preferably be provided as a pneumatic cylinder.
After the end cover is pushed into the opening end of the kettle 11, the wedge driving devices 15 can drive the corresponding wedges 14 to move in the radial direction, so that the wedges 14 can be clamped into the clamping grooves 18 of the kettle 11 to lock the end cover 12. When the cover is opened, the wedge block driving device 15 can drive the wedge block 14 to be separated from the clamping groove 18 of the kettle body 11.
The end cover of the foaming autoclave is arranged inside the opening end of the autoclave body (namely, at the inner diameter position), compared with the autoclave adopting a clamp type cover opening structure, the end cover does not need to adopt the same outer diameter size with the autoclave body, the size of the end cover is greatly reduced, the weight is light, and a wedge type quick-opening cover locking mechanism is adopted, a wedge driving device can drive corresponding wedge blocks to move towards the radial direction, so that the wedge blocks can be clamped into clamping grooves in the inner wall of the opening end of the autoclave body to lock the end cover or separate the wedge blocks from the clamping grooves of the autoclave body to realize cover opening.
As shown in fig. 2, the pressure control module 2 may include an automatic pressure regulating valve 21, a first switch valve 22 is disposed between an inlet end of the automatic pressure regulating valve 21 and a first fluid outlet of the foam dyeing kettle 1, and an outlet end of the automatic pressure regulating valve 21 is connected to the dye separation module 3. The automatic pressure regulating valve 21 can control the operation pressure of the foaming and dyeing kettle according to the process requirements.
As shown in fig. 2, the dye separation module 3 may include an evaporator 31 and a dye recovery separation kettle 32, an inlet end of the evaporator 31 is connected to the automatic pressure regulating valve 21, an outlet end of the evaporator 31 is connected to an inlet end of the dye recovery separation kettle 32, an outlet end of the dye recovery separation kettle 32 is connected to the fluid liquefaction storage module 4, and a recovery port of the dye recovery separation kettle 32 is provided with a second switch valve 33. Wherein, the dye separation and recovery kettle can be set as a quick-opening high-pressure container to recover the residual dye in the dyeing process.
As shown in FIG. 2, the fluid liquefaction storage module 4 may include a condenser 41, CO2Circulating storage tank 42, CO2Make-up tank 43 and CO2 A delivery pump 44, the inlet end of the condenser 41 is connected with the dye recovery separation kettle 32, and the outlet end of the condenser 41 is connected with CO2The inlet end of the circulating storage tank 42 is connected with CO2The outlet end of the circulating storage tank 42 is connected with a fluid pressurization conveying module 5, CO2The transfer pump 44 is connected to the CO2Outlet of supply tank 43 and CO2Between the fluid make-up ports of the recycle tank 42, CO2Transfer pump 44 and CO2A third switch valve 45 is arranged between the supply storage tanks 43.
Wherein, the condenser 41 can be arranged as a tubular heat exchanger and is used for separating CO from the dye separation and recovery kettle2The gas is cooled and liquefied into liquid and stored in CO2The storage tank is circulated. CO 22Liquid CO stored in supply storage tank2To supplement CO2Loss of the circulating storage tank. CO as the production line runs2Will be lost when CO is present2Circulating liquid CO in storage tank2When the reserve is less than a predetermined value, CO is required2Supply reservoir to CO2And (4) adding in a circulating storage tank.
As shown in FIG. 2, the fluid pressurizing delivery module 5 may include CO2 High pressure pump 51, CO2Inlet end of high pressure pump 51 and CO2The outlet end of the circulating storage tank 42 is connected with CO2The outlet end of the high pressure pump 51 is connected to the fluid heating module 6.
As shown in fig. 2, the fluidThe heating module 6 may include a heater 61, and the inlet end of the heater 61 is connected to the CO2And the outlet end of the high-pressure pump 51 and the outlet end of the heater 61 are provided with a fourth switching valve 62, and the outlet ends of the fourth switching valve 62 are respectively connected with the fluid inlet of the foaming and dyeing kettle 1 and the dyeing circulation module 7. The heater 61 can be CO2And N2The fluid is heated.
As shown in fig. 2, the dyeing circulation module 7 may include a dyeing circulation pump 71 and a dye kettle 72, a fifth switch valve 73 is disposed between an outlet end of the dyeing circulation pump 71 and a fluid inlet of the foaming dyeing kettle 1, an outlet end of the dye kettle 72 is connected to an inlet end of the dyeing circulation pump 71, and a sixth switch valve 74 is disposed between an inlet end of the dye kettle 72 and a second fluid outlet of the foaming dyeing kettle 1. Dye is stored in the dye kettle 72 for dyeing operation.
As shown in fig. 2, the venting module 8 may comprise a muffler 81 and an eighth switching valve 82, the eighth switching valve 82 being connected between the muffler 81 and the first fluid outlet of the foam dyeing vessel 1.
As shown in FIG. 2, N2The supply module 9 may comprise N2Storage tank 91, N2 High pressure pump 92 and carburettor 93, N2Outlet of tank 91 and N2A seventh switch valve 94 is arranged between the inlet ends of the high-pressure pumps 92, and the inlet end of the carburetor 93 is connected with the N2The outlet of the high pressure pump 92 and the outlet of the vaporizer 93 are connected to CO2Between the high-pressure pump 51 and the heater 61. N is a radical of2The tank 91 stores liquid N2For use in foaming operations.
The foaming and dyeing integrated production method of the polymer material product of the second embodiment comprises the following steps:
(1) material filling: putting the polymer material prefabricated part into a foaming dyeing kettle 1, and putting a dye for dyeing into a dye kettle 72;
(2) supercritical fluid dyeing: after the material is filled, the first switch valve 22, the sixth switch valve 74, the eighth switch valve 82 are closed, the fourth switch valve 62 is opened, and the CO is opened2A high pressure pump 51 for pumping CO2Recycling liquid CO in the storage tank 422Sequentially pass through CO2The pressurized high-pressure pump 51 and the heated heater 61 are gasified and injected into the foam dyeing kettle 1, and the pressure in the foam dyeing kettle 1 is gradually increased when CO is added2When the supercritical state (namely the pressure and the temperature reach the set values) meeting the dyeing process requirements is reached, the pressurization is stopped, the fourth switch valve 62 is closed, the fifth switch valve 73 and the sixth switch valve 74 are opened, the foaming dyeing kettle 1 is communicated with the dyeing kettle 72 and the dyeing circulating pump 71, the dyeing circulating process is started, and the CO in the supercritical state is enabled to enter the dyeing circulating process2Enters the dyeing cycle module 7 and dissolves the dye, CO, in the dyeing cycle module 72Returning the carried dye to the foaming and dyeing kettle 1 to dye the polymer material prefabricated part in the foaming and dyeing kettle 1 with the required color; when the dyeing requirement is met, the fifth switch valve 73 and the sixth switch valve 74 are closed, the first switch valve 22 is opened, and CO is added2Flows out of the foaming dyeing kettle 1, is decompressed by an automatic pressure regulating valve 21, is heated by an evaporator 31 and then enters a dye recovery separation kettle 32, and CO is removed2Separating the residual dye after dyeing and recycling the CO through a second switch valve 33 after separating the dye2The gas enters a condenser 41 for cooling and liquefying, and liquefied CO2Into CO2The recycle storage tank 42 stores, has been used by subsequent operations;
(3) one-step foaming: when the dyeing process is finished, the first switch valve 22 and the eighth switch valve 82 are closed, and CO is injected under pressure according to the fluid proportion required by foaming2And N2，CO2From CO2 High pressure pump 51 pumps CO2Recycling CO in the storage tank 422Pressure addition of N2From N2 High pressure pump 92 will N2Liquid N of tank 912Pressurized output, gasified by a vaporizer 93 and injected with CO2And N2Heating by a heater to meet the foaming process requirement, stopping pressurizing when the fluid pressure also meets the requirement, and starting foaming operation; in the foaming process, the stirring driver 115 of the foaming and dyeing kettle 1 is started to enhance the convection of the fluid in the kettle and homogenize the temperature in the kettle, and according to the requirements of different materials in the foaming operation, several groups of CO can be adopted in the foaming process2And N2The different proportion combinations are alternately carried out; after the foaming operation is finished, the eighth switch valve is openedAnd a door 82, wherein the high-pressure fluid is decompressed and emptied through a silencer 81.
(4) Unloading: and after the foaming process is finished, opening the foaming and dyeing kettle 1, and taking out the foamed and dyed polymer material product in the foaming and dyeing kettle 1.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (10)
1. The foaming and dyeing integrated production line for the high polymer material product is characterized by comprising a foaming and dyeing kettle for foaming and/or dyeing, a pressure control module for controlling the operating pressure of the foaming and dyeing kettle, and a CO (carbon monoxide) generator for generating CO2Dye separation module for separating CO from dye remaining after dyeing2Liquefied and stored fluid liquefaction storage module for CO2Pressurized fluid delivery module for CO2Fluid heating module for heating and for CO2The dyeing system comprises a pressure control module, a dye separation module, a fluid pressurization conveying module, a fluid heating module, a dyeing circulation module and a control module, wherein the pressure control module is connected with a first fluid outlet of the foaming and dyeing kettle, the dye separation module is connected between the pressure control module and the fluid liquefaction storage module, the fluid pressurization conveying module is connected between the fluid liquefaction storage module and the fluid heating module, the fluid heating module is respectively connected with a fluid inlet of the foaming and dyeing kettle and the dyeing circulation module, and the dyeing circulation module is respectively connected with a fluid inlet of the foaming and dyeing kettle and a second fluid outlet of the foaming and dyeing kettle.
2. The foaming and dyeing integrated production line of polymer material products according to claim 1, characterized in that the foaming and dyeing kettle comprises a kettle body, an end cover, a stirring driver and a stirring paddle, wherein the kettle body is arranged horizontally, the end cover is installed inside an opening end of the kettle body in a sealing manner, the stirring driver is axially installed at a sealing end of the kettle body, a stirring shaft of the stirring driver penetrates through the kettle body and extends into the kettle body, the stirring shaft is connected with the stirring paddle located inside the kettle body, and the end cover is locked and unlocked by adopting a wedge type quick-opening locking cover mechanism and the kettle body.
3. The integrated foaming and dyeing production line for polymer material products according to claim 1, wherein the pressure control module comprises an automatic pressure regulating valve, a first switch valve is disposed between an inlet end of the automatic pressure regulating valve and the first fluid outlet of the foaming and dyeing kettle, and an outlet end of the automatic pressure regulating valve is connected to the dye separation module.
4. The integrated foaming and dyeing production line for high polymer material products according to claim 1, wherein the dye separation module comprises an evaporator and a dye recovery separation kettle, an inlet end of the evaporator is connected to the pressure control module, an outlet end of the evaporator is connected to an inlet end of the dye recovery separation kettle, an outlet end of the dye recovery separation kettle is connected to the fluid liquefaction storage module, and a recovery port of the dye recovery separation kettle is provided with a second switch valve.
5. The integrated foaming and dyeing production line for high polymer material products according to claim 1, wherein the fluid liquefaction storage module comprises a condenser, CO2Circulating storage tank, CO2Make-up storage tank and CO2The inlet end of the condenser is connected with the dye separation module, and the outlet end of the condenser is connected with the CO2The inlet end of the circulating storage tank is connected with the CO2The outlet end of the circulating storage tank is connected with a fluid pressurization conveying module, and the CO is2The transfer pump is connected to CO2Outlet of supply tank and CO2Between the fluid make-up ports of the circulating reservoir, the CO2Transfer pump and CO2A third switch valve is arranged between the supply storage tanksAnd a door.
6. The integrated foaming and dyeing production line for polymer material products according to claim 1, wherein the fluid pressurized conveying module comprises CO2High pressure pump, said CO2The inlet end of the high-pressure pump is connected with the outlet end of the fluid liquefaction storage module, and the CO is2The outlet end of the high-pressure pump is connected with the fluid heating module.
7. The foaming and dyeing integrated production line of polymer material products according to claim 1, characterized in that the fluid heating module comprises a heater, an outlet end of the heater is provided with a fourth switching valve, and an outlet end of the fourth switching valve is respectively connected with a fluid inlet of the foaming and dyeing kettle and the dyeing circulation module.
8. The foaming and dyeing integrated production line of polymer material products according to claim 1, wherein the dyeing circulation module comprises a dyeing circulation pump and a dye kettle, a fifth switch valve is arranged between an outlet end of the dyeing circulation pump and a fluid inlet of the foaming and dyeing kettle, an outlet end of the dye kettle is connected with an inlet end of the dyeing circulation pump, and a sixth switch valve is arranged between the inlet end of the dye kettle and a second fluid outlet of the foaming and dyeing kettle.
9. The integrated foaming and dyeing production line for polymer material products according to claim 1, characterized in that the production line further comprises a device for supplying N during the foaming operation2N of (A)2Supply module, said N2The outlet end of the supply module is connected between the fluid pressurization conveying module and the fluid heating module, and the N2The supply module comprises N2Storage tank, N2High pressure pump and carburetor, N2Outlet end of storage tank and N2A seventh switch valve is arranged between the inlet ends of the high-pressure pumps, and the inlet end of the vaporizer is connected with N2Outlet end of high-pressure pump, of said carburettorThe outlet end is connected between the fluid pressurizing and conveying module and the fluid heating module.
10. The integrated foaming and dyeing production line for polymer material products according to claim 1, further comprising an emptying module for reducing noise when the high-pressure fluid after foaming is depressurized and emptied, wherein the emptying module is connected to the first fluid outlet of the foam dyeing kettle, and comprises a silencer and an eighth switch valve, and the eighth switch valve is connected between the silencer and the first fluid outlet of the foam dyeing kettle.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115847701A (en) * | 2022-12-08 | 2023-03-28 | 东莞海瑞斯新材料科技有限公司 | Supercritical foaming mixing device and method for nitrogen mixed gas |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115847701A (en) * | 2022-12-08 | 2023-03-28 | 东莞海瑞斯新材料科技有限公司 | Supercritical foaming mixing device and method for nitrogen mixed gas |
| CN115847701B (en) * | 2022-12-08 | 2023-08-15 | 东莞海瑞斯新材料科技有限公司 | Supercritical foaming mixing device and method for nitrogen mixed gas |
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