CN208841683U - A kind of foamed system - Google Patents
A kind of foamed system Download PDFInfo
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- CN208841683U CN208841683U CN201821440711.0U CN201821440711U CN208841683U CN 208841683 U CN208841683 U CN 208841683U CN 201821440711 U CN201821440711 U CN 201821440711U CN 208841683 U CN208841683 U CN 208841683U
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Abstract
The utility model discloses a kind of foamed system, and equipped with multiple for holding the storage tank of different material, raw material is quantitatively transferred to hybrid nozzle from storage tank, is ejected into mold and foams after being uniformly mixed by transfer tube.Discharge nozzle is provided with reversal valve close to the position of hybrid nozzle, and raw material flows back in storage tank again by feed back pipe by the changeable flow direction of reversal valve, excludes the air in conveying pipeline.Meanwhile settable emulsifier by storage tank can effectively prevent solid material in the adherency of duct wall or the sedimentation in storage tank, prevent blocking pipeline convenient for addition solid material by emulsion dispersion.Pass through the control to reversal valve, it is ensured that the raw material of at least two storage tanks is stirred mixing in hybrid nozzle, solves the production problem of colored article.In addition, the storing upper end of the foamed system is all connected to gas cylinder, by the protection of inert gas, prevents some special materials from failing because of oxidation or the moisture absorption, significantly improve the stability of raw material storage.
Description
Technical field
The utility model relates to foam preparation technical fields, further relate to a kind of foamed system.
Background technique
Polyimides (PI) foam be using polyimide resin as main component, inside have different scale aperture, closed pore or
The soft and hard porous material of opening/closing hole composite structure, high low temperature resistance range is big, is a kind of advanced functional material.It is poly-
The preparation method of acid imide foam can be divided into one-step method and two step method.One-step method is by dianhydride or two acid esters, low-molecular-weight alcohol, urges
Foam precursors solution is made in agent, foaming agent, surfactant and other auxiliary agents in certain solvent, then sends out with isocyanates
Raw reaction generates micro-molecular gas as foaming agent and polyimide foam is made, and the method technique is relatively easy, the production cycle
It is short.
Foaming machines system is the core equipment of One-step production polyimides (PI) foam or polyurethane (PU) foam.?
In actual production process, following 4 problems are often faced: (1) needing to fill up raw material pipeline before the injection, in purging line
Otherwise air will lead to injection volume inaccuracy, influence product quality.(2) part material such as two acid diesters itself has certain glutinous
Other raw materials are also had thickening effect when solid such as granular material need to be added by degree, if being dispersed with stirring unevenly, easily make high viscosity
Raw material is adhered to tank body and inner wall of the pipe, or settles solid material in tank body or pipeline, or even will cause line clogging.
(3) primary raw material of the isocyanates as production polyimides and polyurethane foam, will when storing at room temperature in storage tank
Reacting with the steam in air causes to solidify and agglomerate.(4) it in order to meet different application place demand, needs to prepare different color
Foamed material product.And existing foaming machine has respective limitation when solving the above problems at present.
Utility model content
The utility model provides a kind of foamed system, is able to solve the defect and deficiency of the prior art, and concrete scheme is as follows:
A kind of foamed system, including multiple for holding the storage tank of different material, each storing pot bottom goes out
Material mouth is used for the hybrid nozzle of mixed raw material by discharge nozzle connection, drive of the setting for driving raw material to move on the discharge nozzle
Dynamic pump；
The reversal valve for controlling the discharge nozzle on-off, institute are arranged close to the position of the hybrid nozzle for the discharge nozzle
It states and connects back to expects pipe between reversal valve and the storage tank, the raw material flowed out in the discharge nozzle commutates, simultaneously through the reversal valve
The storage tank is back to by the feed back pipe.
Optionally, the discharge nozzle connects emulsion tube close to the position of the storage tank, and emulsification is arranged on the emulsion tube
Device, from the raw material flowed out in the storage tank via being back to the storage tank after the emulsifier emulsification pretreatment.
Optionally, the emulsifier includes emulsification pump and emulsifier driver, and the emulsification pump is arranged in the emulsion tube
On, the emulsifier driver drives the rotation stirring of the rotor in the emulsification pump.
Optionally, blowdown valve is arranged in the bottom of the emulsification pump；Blow-off valve is arranged in the bottom of the storage tank.
Optionally, the hybrid nozzle includes mixing drum and hybrid nozzle driver, and the hybrid nozzle driver is used for
The shaft rotation being inserted into the mixing drum, blade of the setting for stirring in the shaft are driven, the blade is equipped with multilayer,
And the quantity of every layer of blade is different；The bore of the mixing drum is tapered from the top down, in the blade and the mixing drum
The spacing of wall is less than 1mm；It is discharged by the raw material being stirred from the nozzle of bottom.
It optionally, further include the weight-scale table being set to below the nozzle, the weight-scale table includes being capable of vertical lifting
Lifting support, lifting support top setting are used to support the support plate of material receiver, are arranged in the support plate for detecting
The weighing sensor of weight；The load cell signal connects control unit, and whether described control unit controls the nozzle
Discharging.
Optionally, the lifting support includes " X " type scissors support frame, the intermediate hinge of two branch of scissors support frame
It connects, the bottom end of two branches is connected on bottom plate, and top is connected on top plate；The support plate, the bottom are connected on the top plate
Idler wheel is arranged in the lower section of plate；
Lifting cylinder is set between two branch of scissors support frame.
It optionally, further include being respectively communicated with by gas branch pipe in the gas cylinder of the different storing upper ends, the gas branch pipe
The upper pressure reducing valve being arranged for detecting the barometer and control pressure of air pressure.
Optionally, liquidometer is also set up on the storage tank；Setting passes through motor-driven stirring inside the storage tank
Axis, at least two layers of paddle is arranged on the agitating shaft, and the paddle is in paddle, push type, turbine type or dispersion impeller
One or more combinations.
It optionally, further include the solvent tank for being connected to the hybrid nozzle, between the solvent tank and the hybrid nozzle
Pipeline on pneumatic operated valve is set and into solvent valve, the top of the solvent tank passes through air compressor supply air, the air
Air gauge and intake valve are set on the pipeline between compressor and the solvent tank.
The utility model discloses a kind of foamed system, and equipped with multiple for holding the storage tank of different material, transfer tube will
Raw material is quantitatively transferred to hybrid nozzle from storage tank, is ejected into mold and foams after being uniformly mixed in the showerhead.Out
Expects pipe is provided with reversal valve close to the position of hybrid nozzle, and raw material is by the also changeable flow direction of reversal valve, again by feed back pipe
It flows back in storage tank, has raw material in conveying pipeline always, by constantly recycling the air that can be excluded in conveying pipeline.Meanwhile storing
Settable emulsifier by tank can effectively prevent solid material in the viscous of duct wall convenient for addition solid material by emulsion dispersion
Sedimentation attached or in storage tank prevents blocking pipeline, is conducive to produce and safeguard.It, can be with by the control to reversal valve
Guarantee that the raw material of at least two storage tanks is stirred mixing in hybrid nozzle, solves the production problem of colored article.This
Outside, the storing upper end of the foamed system is all connected to gas cylinder, by the protection of inert gas, can effectively prevent some special originals
Material fails because of oxidation or the moisture absorption, significantly improves the stability of raw material storage.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of foamed system provided by the utility model；
Fig. 2 is the structural schematic diagram of hybrid nozzle；
Fig. 3 is the structural schematic diagram of weight-scale table.
Include: in figure
Storage tank 1, liquidometer 11, agitating shaft 12, paddle 13, blow-off valve 14, discharge nozzle 2, transfer tube 21, reversal valve
22, hybrid nozzle 3, mixing drum 31, hybrid nozzle driver 32, shaft 33, blade 34, nozzle 35, solvent tank 4, pneumatic operated valve
41, into solvent valve 42, air compressor 43, air gauge 44, intake valve 45, feed back pipe 5, emulsion tube 6, emulsifier 7, emulsification pump
71, emulsifier driver 72, blowdown valve 73, gas cylinder 8, gas branch pipe 81, barometer 82, pressure reducing valve 83, weight-scale table 9, lifting support
91, scissors support frame 911, lifting cylinder 912, bottom plate 913, top plate 914, support plate 92, weighing sensor 93.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with attached drawing and
Explanation is described in detail to the foamed system of the utility model in specific embodiment.
As shown in Figure 1, being the structural schematic diagram of foamed system provided by the utility model, the foamed system of the utility model
Including multiple for holding the storage tank 1 of different material, the discharge port of each 1 bottom of storage tank is used for by the connection of discharge nozzle 2
The hybrid nozzle 3 of mixed raw material, transfer tube 21 of the setting for driving raw material to move, multiple storage tanks 1 connect side by side on discharge nozzle 2
Be connected to hybrid nozzle 3, different raw materials be provided into hybrid nozzle 3, set as shown in Figure 1 there are four storage tank 1, from left to right according to
It is secondary are as follows: to store isocyanates in the first storage tank, two acid diesters are stored in the second storage tank, store catalyst in third storage tank
With foaming agent etc., auxiliary agent is stored in the 4th storage tank；Mode stored above is only the plan of establishment of polyimide foam foaming, can
Different raw materials is stored in each storage tank 1 according to specific foaming situation.
The reversal valve 22 for controlling 2 on-off of discharge nozzle, reversal valve 22 are arranged close to the position of hybrid nozzle 3 for discharge nozzle 2
The on-off of discharge nozzle 2 can be controlled, whether the raw material controlled in reversal valve 22 flows to hybrid nozzle 3.Reversal valve 22 is preferably adopted
With triple valve, expects pipe 5 is connected back between reversal valve 22 and storage tank 1, feed back pipe 5 and discharge nozzle 2 are two mutually independent pipes
Road.The raw material flowed out in discharge nozzle 2 commutates through reversal valve 22 and is back to storage tank 1 by feed back pipe 5, and feed back pipe 5 should connect
At the top of storage tank 1.
Raw material provides the power of raw material movement by transfer tube 21, and raw material flows to not according to the different of 22 connecting pipeline of reversal valve
Same position, can flow to hybrid nozzle 3, can also flow to storage tank 1, make there is raw material always in discharge nozzle 2；Using this
The foamed system that utility model provides enters before hybrid nozzle 3 is stirred in raw material, passes through transfer tube 21 and drive raw material flow
Out, it by reversal valve 22 to flowing back into storage tank 1, keeps filling raw material in discharge nozzle 2 always, excludes the sky in discharge nozzle
Gas；When being mixed by hybrid nozzle 3, it is only necessary to change the communication direction of reversal valve 22, reversal valve 22 is located at close to mixed
The position for closing spray head 3, can make in a very short period of time raw material enter hybrid nozzle 3, reduce in discharge nozzle 2 that there are air to lead to original
Expect the inaccurate problem of conveying capacity, more precisely controls into the raw material in hybrid nozzle.It may also set up pressure on discharge nozzle 2
Meter, for monitoring the pressure of raw material in discharge nozzle 2.
To before 3 transferring raw material of hybrid nozzle, raw material follows between storage tank 1, discharge nozzle 2, reversal valve 22 and feed back pipe 5
Circulation is dynamic, reduces raw material and is enriched with and adheres in inner wall of the pipe；The process of circulation also acts as the effect of mixed material simultaneously, makes system
It is able to continuous production, improves working efficiency.
In addition, multiple storage tanks 1 are arranged in the utility model, the auxiliary agent for improving the performances such as the fire-retardant, sound absorption of foam is individually deposited
It puts, auxiliary agent is just contacted with other raw materials after entering hybrid nozzle 3, without frequently adjusting the composition of raw materials in other each storage tanks,
Wastage of material can be prevented, and reduces the frequency of calibrated fluxes.
Material quantity in discharge nozzle 2 is measured by transfer tube 21, and transfer tube 21 includes the motor and metering pump for driving, electricity
Machine drives metering pump operating, and for pumping raw material, the material quantity of the measurable conveying of metering pump, metering pump and control unit signal connect
It connects, controlled operating by control unit and is stopped, and the material quantity of conveying is exported to control unit, it is each accurately to control
The material quantity that storage tank 1 is conveyed into hybrid nozzle 3.Certainly, flowmeter can also be set unit on discharge nozzle 2, these are specific
Set-up mode should all be by the protection of the utility model.
On the basis of above scheme, the utility model connects emulsion tube 6 close to the position of storage tank 1 in discharge nozzle 2,
Triple valve is set on discharge nozzle 2, and emulsion tube 6 is connected on triple valve；Emulsifier 7 is set on emulsion tube 6, and emulsifier 7 can be right
The raw material that flows through carries out emulsification pretreatment, from the raw material flowed out in storage tank 1 via being back to storage tank after 7 emulsification pretreatment of emulsifier
1。
As shown in Figure 1, two storage tanks on the left of the utility model can according to need setting emulsifier, the storage of two, right side
Batch can has been set emulsifier；It is run at high speed by rotor, generates strong mechanical shear stress, mutually squeezed strongly between material
Pressure makes to store the rapid emulsifying of auxiliary agent in catalyst and foaming agent in third storage tank etc., the 4th storage tank.
Specifically, the emulsifier 7 in the utility model includes emulsification pump 71 and emulsifier driver 72, and emulsification pump 71 is arranged
On emulsion tube 6, feed inlet is arranged in the side of emulsification pump 71, and discharge port is arranged in top, and emulsifier driver 72 drives emulsification pump
Rotor in 71 rotates stirring.The settable claw structure of rotor or spiral flabellum in emulsification pump 71, for outside
Pump raw material.
Further, blowdown valve 73 is set in the bottom of emulsification pump 71, opens blowdown valve 73 and opens emulsification pump 71, it can
Extra raw material in discharge system；Blow-off valve 14 is arranged in the bottom of storage tank 1, and blow-off valve 14 is set side by side with discharge nozzle, is used for
Raw material extra in storage tank 1 is discharged.
On the basis of any of the above-described technical solution, as shown in Fig. 2, being the structural schematic diagram of hybrid nozzle；This is practical new
The hybrid nozzle 3 of type includes mixing drum 31 and hybrid nozzle driver 32, and feed opening is arranged on the side wall of mixing drum 31, respectively
It is connected to each discharge nozzle 2.Hybrid nozzle driver 32 is connected with shaft 33 by shaft coupling, and hybrid nozzle driver 32 is used
In driving shaft 33 to rotate, shaft 33 is vertically inserted into mixing drum 31, and mixing drum 31 is arranged in hybrid nozzle driver 32
Top, blade 34 of the setting for stirring in shaft 33, blade 34 rotate with shaft 33 and are stirred raw material.
Blade 34 in the utility model is equipped with multilayer, and the quantity of every layer of blade 34 is different, makes 34 pairs of originals of every layer of blade
Shearing flow velocity when material stirring is different, reaches more preferably mixing effect；The appropriate quantity for increasing blade can make generation
It is vortexed stronger, the uniformity of stirring also can be improved.
As shown in Fig. 2, the bore of mixing drum 31 is tapered from the top down in the utility model, the quantity and leaf of mixing drum 31
The shape of piece 34 matches, and the spacing of blade 34 and 31 inner wall of mixing drum is less than 1mm, and lesser gap can between the two
Play stronger extrusion shearing effect.35 row of nozzle that the raw material being stirred by blade 34 is opened up from 31 bottom of mixing drum
Out, at bore minimum at nozzle 35.
Further, the foamed system of the utility model further includes the weight-scale table 9 for being set to 35 lower section of nozzle, such as Fig. 3 institute
Show, is the structural schematic diagram of weight-scale table 9；Weight-scale table 9 and other structures are relatively independent, and weight-scale table 9 includes capableing of vertical lifting
Lifting support 91, setting is used to support the support plate 92 of material receiver at the top of lifting support 91；When mixing discharge, lifting branch is raised
Frame 91, lifting support 91 drive support plate 92 is synchronous to rise, and support plate 92 is made to drive material receiver upwards close to nozzle 35, receive from
The material being discharged in nozzle 35；Lifting support 91 is reduced after receiving, and material receiver is taken out.
Setting is used for the weighing sensor 93 of sense weight in support plate 92, as shown in figure 3, setting, there are two weighing sensors
93；93 signal of weighing sensor connects control unit, and for detecting the weight of raw material in material receiver, control unit controls nozzle 35
Whether discharge, after the material in material receiver reaches preset weight, reversal valve 22 commutates, and hybrid nozzle 3 stops discharging.
Preferably, the utility model provides a kind of specific structure of lifting support 91 herein, and lifting support 91 includes " X "
Type scissors support frame 911,911 liang of branch lengths of scissors support frame are equal, and hinged among the two, the bottom end connection of two branches
On bottom plate 913, the bottom end of one of branch is hinged on bottom plate 913, and the bottom end of another branch is slidably connected at bottom plate 913
On；The top of two branches is connected on top plate 914, and the top of one of branch is hinged on top plate 914, another branch
Top is slidably connected on top plate 914.
The support plate 92 is connected on top plate 914, the lower section of bottom plate 913 is arranged idler wheel, can move integrally weight-scale table 9；It cuts
Between 911 liang of branches of knife support frame be arranged lifting cylinder 912, by lifting cylinder 912 drive scissors support frame 911 rise and
Decline, the both ends of lifting cylinder 913 are respectively hinged in the Liang Ge branch of scissors support frame 911.
As long as above scheme is only preferably, the drive form being capable of being raised and lowered should all be by the guarantor of the utility model
Shield.
This system further includes being respectively communicated with to store in the gas cylinder 8 on different 1 tops of storage tank, gas cylinder 8 by gas branch pipe 81
The inert gas (such as nitrogen or argon gas) of high pressure, as shown in Figure 1, gas cylinder 8 is connected to four by four-way connection and three-way connection
The top of a storage tank 1；Barometer 82 and the decompression of control pressure for detecting air pressure in storage tank 1 is set on gas branch pipe 81
Valve 83 controls air-flow size by pressure reducing valve 83, makes to keep suitable air pressure in storage tank 1；It can also connect in each storage tank 1
Intake valve is respectively set on logical gas branch pipe 81, controls whether to convey gas into storage tank 1.
Further, liquidometer 11 is also set up on storage tank 1, for monitoring the liquid level inside storage tank 1.Storage tank 1
At least two layers of paddle 13 is arranged by motor-driven agitating shaft 12 in inside setting on agitating shaft 12, paddle 13 be paddle,
One of pusher, turbine type or dispersion impeller or multiple combinations, every layer of setting of paddle 13 at least three pieces blade.
Preferably, this system further includes the solvent tank 4 for being connected to hybrid nozzle 3, between solvent tank 4 and hybrid nozzle 3
Pneumatic operated valve 41 is set on pipeline and into solvent valve 42, solvent tank 4 is mixed for cleaning for supplying cleaning agent into mixing drum 31
Close spray head 3.
The top of solvent tank 4 supplies air by air compressor 43, between air compressor 43 and the solvent tank 4
Air gauge 44 and intake valve 45 are set on pipeline, within the scope of so that the pressure in solvent tank 4 is maintained at suitable.
In the Novel foaming system that the present embodiment uses, due to being provided with discharge nozzle 2 and feed back pipe 5, raw material is by commutation
Valve 22 can change flow direction, flow back in storage tank again, by constantly recycling the air that can be excluded in discharge nozzle 2.Meanwhile storing
It is provided with emulsifier 7 by tank 1, convenient for addition solid material, solid material can be effectively prevent in duct wall by emulsion dispersion
Adherency or the sedimentation in storage tank prevent blocking pipeline, are conducive to produce and safeguard.By the control to reversal valve 22,
It can guarantee that the raw material of at least two storage tanks is stirred mixing in hybrid nozzle 3, the production for solving colored article is difficult
Topic.In addition, the storing upper end of the foamed system is all connected to gas cylinder 8, by the protection of inert gas, can effectively prevent
Special material fails because of oxidation or the moisture absorption, significantly improves the stability of raw material storage.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice, can realize in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of foamed system, which is characterized in that including multiple for holding the storage tank (1) of different material, each storage
The discharge port of batch can (1) bottom is used for the hybrid nozzle (3) of mixed raw material by discharge nozzle (2) connection, on the discharge nozzle (2)
Transfer tube (21) for driving raw material to move is set；
The commutation for controlling the discharge nozzle (2) on-off is arranged close to the position of the hybrid nozzle (3) in the discharge nozzle (2)
Valve (22) connects back to expects pipe (5) between the reversal valve (22) and the storage tank (1), the original flowed out in the discharge nozzle (2)
Material commutates through the reversal valve (22) and is back to the storage tank (1) by the feed back pipe (5).
2. foamed system according to claim 1, which is characterized in that the discharge nozzle (2) is close to the storage tank (1)
Position connects emulsion tube (6), and emulsifier (7) are arranged on the emulsion tube (6), from the raw material warp flowed out in the storage tank (1)
By being back to the storage tank (1) after the emulsifier (7) emulsification pretreatment.
3. foamed system according to claim 2, which is characterized in that the emulsifier (7) includes emulsification pump (71) and cream
Change device driver (72), the emulsification pump (71) is arranged on the emulsion tube (6), and the emulsifier driver (72) drives institute
State the rotor rotation stirring in emulsification pump (71).
4. foamed system according to claim 3, which is characterized in that blowdown valve is arranged in the bottom of the emulsification pump (71)
(73)；Blow-off valve (14) are arranged in the bottom of the storage tank (1).
5. foamed system according to any one of claims 1 to 4, which is characterized in that the hybrid nozzle (3) includes mixing
Cylinder (31) and hybrid nozzle driver (32), the hybrid nozzle driver (32) are inserted into the mixing drum (31) for driving
Shaft (33) rotation, blade (34) of the setting for stirring on the shaft (33), the blade (34) is equipped with multilayer, and every
The quantity of the layer blade (34) is different；The bore of the mixing drum (31) is tapered from the top down, the blade (34) with it is described
The spacing of mixing drum (31) inner wall is less than 1mm；It is discharged by the raw material being stirred from the nozzle (35) of bottom.
6. foamed system according to claim 5, which is characterized in that further include the title being set to below the nozzle (35)
It measures platform (9), the weight-scale table (9) includes the lifting support (91) for capableing of vertical lifting, setting at the top of the lifting support (91)
It is used to support the support plate (92) of material receiver, setting is used for the weighing sensor (93) of sense weight on the support plate (92)；
Weighing sensor (93) signal connects control unit, and described control unit controls whether the nozzle (35) discharges.
7. foamed system according to claim 6, which is characterized in that the lifting support (91) includes " X " type scissors branch
The centre of support (911), (911) two branch of scissors support frame is hinged, and the bottom end of two branches is connected on bottom plate (913),
Top is connected on top plate (914)；It connects the support plate (92) on the top plate (914), is set below the bottom plate (913)
Set idler wheel；
Lifting cylinder (912) are set between (911) two branch of scissors support frame.
8. foamed system according to claim 5, which is characterized in that further include being respectively communicated with by gas branch pipe (81) in not
Barometer (82) for detecting air pressure and control are set with the gas cylinder (8) on the storage tank (1) top, on the gas branch pipe (81)
The pressure reducing valve (83) of air pressure processed.
9. foamed system according to claim 5, which is characterized in that also set up liquidometer (11) on the storage tank (1)；
Setting passes through motor-driven agitating shaft (12) inside the storage tank (1), is arranged at least two layers on the agitating shaft (12) and stirs
It mixes leaf (13), the paddle (13) is one of paddle, push type, turbine type or dispersion impeller or multiple combinations.
10. foamed system according to claim 5, which is characterized in that further include be connected to the hybrid nozzle (3) molten
Agent tank (4) pneumatic operated valve (41) is arranged on the pipeline between the solvent tank (4) and the hybrid nozzle (3) and into solvent valve
(42), the top of the solvent tank (4) supplies air, the air compressor (43) and described molten by air compressor (43)
Air gauge (44) and intake valve (45) are set on the pipeline between agent tank (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821440711.0U CN208841683U (en) | 2018-09-03 | 2018-09-03 | A kind of foamed system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821440711.0U CN208841683U (en) | 2018-09-03 | 2018-09-03 | A kind of foamed system |
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| Publication Number | Publication Date |
|---|---|
| CN208841683U true CN208841683U (en) | 2019-05-10 |
Family
ID=66356810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821440711.0U Active CN208841683U (en) | 2018-09-03 | 2018-09-03 | A kind of foamed system |
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| Country | Link |
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| CN (1) | CN208841683U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113910526A (en) * | 2021-10-11 | 2022-01-11 | 长虹美菱股份有限公司 | Polyurethane raw material mixing system for refrigerator cabinet |
| CN114558496A (en) * | 2022-03-22 | 2022-05-31 | 安徽鑫悦晟华新材料有限公司 | Equipment and process for producing polyurethane combined polyether |
| CN114872259A (en) * | 2022-05-20 | 2022-08-09 | 长虹美菱股份有限公司 | Refrigerator cabinet foaming machine front tank system with cleaning function and cleaning method |
-
2018
- 2018-09-03 CN CN201821440711.0U patent/CN208841683U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113910526A (en) * | 2021-10-11 | 2022-01-11 | 长虹美菱股份有限公司 | Polyurethane raw material mixing system for refrigerator cabinet |
| CN113910526B (en) * | 2021-10-11 | 2023-07-07 | 长虹美菱股份有限公司 | Polyurethane raw material mixing system for refrigerator cabinet |
| CN114558496A (en) * | 2022-03-22 | 2022-05-31 | 安徽鑫悦晟华新材料有限公司 | Equipment and process for producing polyurethane combined polyether |
| CN114872259A (en) * | 2022-05-20 | 2022-08-09 | 长虹美菱股份有限公司 | Refrigerator cabinet foaming machine front tank system with cleaning function and cleaning method |
| CN114872259B (en) * | 2022-05-20 | 2024-02-06 | 长虹美菱股份有限公司 | Refrigerator cabinet foaming machine front tank system with cleaning function and cleaning method |
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