CN211800250U - Mixing system for mixed ingredients of combined polyol - Google Patents
Mixing system for mixed ingredients of combined polyol Download PDFInfo
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- CN211800250U CN211800250U CN201922285405.5U CN201922285405U CN211800250U CN 211800250 U CN211800250 U CN 211800250U CN 201922285405 U CN201922285405 U CN 201922285405U CN 211800250 U CN211800250 U CN 211800250U
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Abstract
The utility model provides a combination polyol mixes system of thoughtlessly joining in marriage of batching, it is including mixing the batching storage tank, mixing the batching circulating line, first circulating pump and first blender. The mixed ingredient storage tank is internally provided with a combined polyol mixed ingredient, the inlet end of the mixed ingredient circulating pipeline is connected with the lower end of the mixed ingredient storage tank, the outlet end of the mixed ingredient circulating pipeline is connected with the upper part of the lower end of the mixed ingredient storage tank, the first circulating pump and the first mixer are arranged on the mixed ingredient circulating pipeline, the first circulating pump provides power for the flowing of the combined polyol mixed ingredient, the first circulating pump is configured to promote the combined polyol mixed ingredient to circularly flow between the mixed ingredient storage tank and the mixed ingredient circulating pipeline, the first mixer is configured to mix the combined polyol mixed ingredient, so that the combined polyol mixed ingredient is dynamically mixed in a circulating mode, and the mixed ingredient is guaranteed to be uniformly mixed and not separated.
Description
Technical Field
The utility model relates to a polyurethane product is with thoughtlessly joining in marriage technical field of thoughtlessly joining in marriage of foaming material, especially relates to a system of thoughtlessly joining in marriage of combination polyol thoughtlessly joining in marriage material.
Background
In order to obtain more stable performance or better quality, an operator usually mixes the combined polyether polyol, a foaming agent and specific additives (such as an auxiliary agent or an emulsifier) together through a mixing device to form a combined polyol mixed ingredient (commonly called white material) containing the foaming agent and the additives, and the combined polyol mixed ingredient is subjected to high-pressure collision mixing reaction with the black material through a foaming machine to obtain a required foam product.
Polyether polyol, a foaming agent, an additive and other components are uniformly mixed together, and need to be kept for a certain time, particularly, the auxiliary agent is not dissolved in polyol generally, so that separation and layering with the polyol are easy to occur after mixing, and similar oil and water are quickly separated after being mixed together and placed, and then layered, so that uneven mixing is caused, and serious product quality problems are possibly caused.
Disclosure of Invention
An object of the utility model is to provide a make even unseparated combination polyol of compounding thoughtlessly join in marriage system of joining in marriage of batching.
Particularly, the utility model provides a mix system of thoughtlessly joining in marriage of combination polyol mixture material, it includes:
the mixing material storage tank is internally provided with a combined polyol mixing material;
the inlet end of the mixing and proportioning material circulating pipeline is connected with the lower end of the mixing and proportioning material storage tank, and the outlet end of the mixing and proportioning material circulating pipeline is connected above the lower end of the mixing and proportioning material storage tank;
a first circulation pump disposed on the blending material circulation pipeline and configured to cause the combined polyol blending material to circulate between the blending material storage tank and the blending material circulation pipeline; and
and the first mixer is arranged on the mixing material circulating pipeline and is configured to mix the combined polyol mixing material so as to circularly and dynamically mix the combined polyol mixing material.
Optionally, the compounding system further comprises:
the mixing material output pipeline is connected with the lower end of the mixing material storage tank and is configured to convey the combined polyol mixing material to a material using area;
the second circulating pump is arranged on the mixing material output pipeline and is matched to promote the combined polyol mixing material to flow to the material using area through the mixing material output pipeline;
and the second mixer is arranged on the mixing material output pipeline and is configured to mix the combined polyol mixing material.
Optionally, the compounding system further comprises:
the inlet end of the mixed material return pipeline is connected with the material using area through a first reversing valve, the outlet end of the mixed material return pipeline is connected with the mixed material storage tank, and the mixed material return pipeline is configured to convey the mixed material of the combined polyol to the mixed material storage tank when the material using area stops using materials;
and the first heat exchanger is arranged on the mixed material return pipeline and is configured to exchange heat with the combined polyol mixed material so as to adjust the temperature of the combined polyol mixed material entering the mixed material storage tank to be within a first preset temperature range.
Optionally, the compounding system further comprises:
a first agitator configured to agitate the combined polyol blend in the blend stock tank.
Optionally, the combination polyol compounding includes a combination polyether polyol, a blowing agent, and an additive;
the mixing system also comprises a combined polyether polyol conveying device, a foaming agent conveying device, an additive conveying device, a third mixer and a fourth mixer;
the combined polyether polyol conveying device and the foaming agent conveying device are connected to the upstream of the third mixer and are respectively configured to convey the combined polyether polyol and the foaming agent into the third mixer for mixing;
the third mixer is connected to the upstream of the fourth mixer through a first mixture conveying pipeline so as to convey the mixed combined polyether polyol and the foaming agent to the fourth mixer;
the additive delivery device is connected upstream of the fourth mixer, is configured to deliver the additive to the fourth mixer such that the additive is mixed with the conjugate polyether polyol and the blowing agent to form the conjugate polyol blend stock, and is connected to the blend stock tank by a second blend stock delivery line to deliver the conjugate polyol blend stock into the blend stock tank.
Optionally, the combined polyether polyol delivery device comprises a storage tank, a first feed pipe for delivering the combined polyether polyol to the storage tank, and a first discharge pipe for delivering the combined polyether polyol in the storage tank to the third mixer;
the combined polyether polyol delivery device further comprises a second agitator configured to agitate the combined polyether polyol in the storage tank.
Optionally, the combined polyether polyol delivery device further comprises:
at least two first filters, at least one first filter set up in on the first inlet pipe, at least another first filter set up in on the first discharging pipe to filter impurity.
Optionally, the compounding system further comprises:
the inlet end of the combined polyether polyol return pipeline is connected with the first discharge pipe through a second reversing valve, the outlet end of the combined polyether polyol return pipeline is connected with the storage tank, and the combined polyether polyol return pipeline is configured to re-convey the combined polyether polyol in the first discharge pipe into the storage tank when feeding is stopped;
and the second heat exchanger is arranged on the combined polyether polyol return pipeline and is configured to exchange heat with the combined polyether polyol so as to regulate the temperature of the combined polyether polyol entering the storage tank to be within a second preset temperature range.
Optionally, the additive delivery device comprises:
a second feed tube coupled to the fourth mixer configured to deliver the additive to the fourth mixer;
a third heat exchanger disposed on the second feed pipe and configured to exchange heat with the additive to regulate the temperature of the additive entering the fourth mixer to within a third predetermined temperature range.
Optionally, the compounding system further comprises:
and the second filter is arranged on the second feeding pipe so as to filter impurities.
The utility model discloses a system of thoughtlessly joining in marriage of combination polyol miscomponent batching, through increase the miscomponent circulation pipeline on the miscomponent storage tank, increase first circulating pump and first blender simultaneously on this pipeline, make the combination polyol miscomponent in the miscomponent storage tank mix the batching and be thoughtlessly joining in marriage always to the tank bottoms through the tank deck of miscomponent storage tank to the tank bottoms under the drive of first circulating pump for whole system of thoughtlessly joining in marriage becomes circulation dynamic mixing, and the guarantee miscomponent is even not separated.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic structural diagram of a compounding system for combining polyol compounds according to an embodiment of the present invention.
Detailed Description
Fig. 1 is a schematic diagram of a compounding system 100 for combining polyol compounds according to an embodiment of the present invention. Referring to fig. 1, the present embodiment provides a compounding system 100 for combining polyol compounds, which includes a compound storage tank 111, a compound circulation line 112, a first circulation pump 113, and a first mixer 114. The mixing material storage tank 111 contains the combined polyol mixing material, the inlet end of the mixing material circulation pipeline 112 is connected to the lower end of the mixing material storage tank 111, and the outlet end of the mixing material circulation pipeline 112 is connected to the upper portion of the lower end of the mixing material storage tank 111 (for example, in the embodiment shown in fig. 1, the outlet end of the mixing material circulation pipeline 112 is connected to the position of the mixing material storage tank 111 near the upper end), the first circulation pump 113 and the first mixer 114 are both disposed on the mixing material circulation pipeline 112, the first circulation pump 113 provides power for the flow of the combined polyol mixing material, and is configured to promote the combined polyol mixing material to circularly flow between the mixing material storage tank 111 and the mixing material circulation pipeline 112, and the first mixer 114 is configured to mix the combined polyol mixing material, so as to circularly and dynamically mix the combined polyol mixing material.
As above, in the embodiment, the blending material circulation pipeline 112 is added on the blending material storage tank 111, and the first circulation pump 113 and the first mixer 114 are added on the pipeline, so that the combined polyol blending material in the blending material storage tank 111 is always blended from the tank top to the tank bottom of the blending material storage tank 111 through the first mixer 114 under the driving of the first circulation pump 113, and the whole blending system 100 is changed into circulating dynamic mixing. Tests show that the combined polyol mixed material is not separated after being mixed and placed for 24 hours by the mixing system 100, but is separated after being placed for 3 to 8 hours in a static mixing mode adopted by a traditional mode. The blending system 100 of the embodiment realizes stable volume production of products, particularly under extreme working conditions in a holiday, and the first circulating pump 113 continuously operates, so that the blending materials can be permanently guaranteed to be uniformly mixed and not separated.
The compounding system 100 can also include a first agitator 103 configured to agitate the combined polyol blend in the blend stock tank 111 to maintain dynamic mixing of the combined polyol blend in the blend stock tank 111 to further improve the uniformity of mixing of the combined polyol blend.
In some embodiments, the compounding system 100 further includes a blending output line 115, a second circulation pump 116, and a second mixer 117, the blending output line 115 is connected to a lower end of the blending storage tank 111 and configured to deliver the combined polyol blend to the use area 201, the second circulation pump 116 and the second mixer 117 are both disposed on the blending output line 115, the second circulation pump 116 is configured to facilitate the flow of the combined polyol blend to the use area 201 through the blending output line 115, and the second mixer 117 is configured to mix the combined polyol blend. So through increasing second blender 117 on thoughtlessly batching outlet line 115 for the compounding polylol is thoughtlessly batched at the in-process of carrying to material area 201 once more, has avoided its problem to probably taking place the separation to material area 201 transportation process, has further guaranteed that the compounding polylol that carries to material area 201 is the even unseparated compounding that does not separate of compounding, promotes the stability of polyurethane product.
The ingredient output line 115 may further include a filter 119, a check valve 104, etc., wherein the filter 119 is used to remove impurities from the polyol ingredient, such as rust from the ingredient tank 111, and the check valve 104 controls the flow direction of the polyol ingredient to prevent backflow.
In some embodiments, the compounding system 100 can further include a compounding return line 118 and a first heat exchanger 102, wherein the inlet end of the compounding return line 118 is connected to the charge area 201 through a first diverter valve 101, and the outlet end thereof is connected to the compounding tank 111, and is configured to deliver the combined polyol compounding to the compounding tank 111 when the charge area 201 is stopped, and to simultaneously function as a bypass to equalize the pressure. The first heat exchanger 102 is disposed on the mixed material return pipeline 118 and configured to exchange heat with the mixed material of the combined polyol, so as to adjust the temperature of the mixed material of the combined polyol entering the mixed material storage tank 111 to a first preset temperature range, and control the temperature of the mixed material of the combined polyol in the mixed material storage tank 111 to a certain temperature range through the first heat exchanger 102, thereby being more beneficial to uniform mixing of the mixed material of the combined polyol, and providing a proper temperature condition for the reaction of the mixed material of the combined polyol and the black material.
As discussed in the background of the invention, the polyol blend composition of this embodiment generally comprises a combined polyether polyol A, a blowing agent B, and an additive C, wherein the additive C can be an adjuvant or an emulsifier, and the additive C is used in a small amount but is a key raw material for polyurethane products. Upstream of the mix stock tank 111, the compounding system 100 also includes a combination polyether polyol delivery unit, a blowing agent delivery unit, an additive delivery unit, a third mixer 105, and a fourth mixer 106. Both the combined polyether polyol conveying device and the blowing agent conveying device are connected upstream of the third mixer 105 and are respectively configured to convey the combined polyether polyol a and the blowing agent B into the third mixer 105 for mixing.
The third mixer 105 is connected upstream of the fourth mixer 106 via a first mix delivery line 107 for delivering the mixed combined polyether polyol a and blowing agent B to the fourth mixer 106, while the additive delivery device is connected upstream of the fourth mixer 106 and is configured to deliver additive C to the fourth mixer 106 such that additive C is mixed with combined polyether polyol a and blowing agent B to form a combined polyol mix, and the fourth mixer 106 is connected to the mix storage tank 111 via a second mix delivery line 108 for delivering the combined polyol mix to the mix storage tank 111.
As described above, in the mixing system 100 of the embodiment, the third mixer 105 is used to mix the combined polyether polyol a and the foaming agent B at the upstream of the mixing material storage tank 111, and the fourth mixer 106 is used to mix the mixed polyether polyol, the foaming agent B and the additive C, so that the mixing uniformity of the combined polyol mixing material is fully ensured, and the combined polyol mixing material entering the mixing material storage tank 111 is the uniformly mixed mixing material, but in order to avoid the separation of the combined polyol mixing material during the storage process in the mixing material storage tank 111, as mentioned above, the combined polyol mixing material is continuously dynamically mixed by adding the mixing material circulation pipeline 112 and the first mixer 114, and the mixing material is ensured to be uniform and not separated.
The first mixture conveying pipeline 107 and the second mixture conveying pipeline 108 are both provided with one-way valves 104, so that the flowing direction of materials is controlled, and the problem of backflow is prevented.
The first mixer 114, the second mixer 117, the third mixer 105 and the fourth mixer 106 can be static mixers, and materials are fully mixed without the action of moving parts through the internal structure of the static mixers, so that the cost is reduced. In an alternative embodiment, each of the aforementioned mixers may be dynamic mixers, with the object of mixing the material being achieved by means of moving parts.
The combined polyether polyol delivery device may comprise a storage tank 121, a first feeding pipe 122 for delivering the combined polyether polyol to the storage tank 121, a first discharging pipe 123 for delivering the combined polyether polyol a in the storage tank 121 to the third mixer 105, and a second stirrer 124. The combined polyether polyol a is conveyed into the storage tank 121 through the first feeding pipe 122 under the driving of the power pump 109, and the second stirrer 124 is operated to dynamically stir the combined polyether polyol a in the storage tank 121, so that the components in the combined polyether polyol a can be effectively mixed.
In order to filter impurities, the first feeding pipe 122 and the first discharging pipe 123 can be disposed on at least one first filter 125 to filter out impurities such as rust of the storage tank 121. That is, the combined polyether polyol delivery device further comprises at least two first filters 125, wherein at least one first filter 125 is arranged on the first inlet pipe 122 and at least one further first filter 125 is arranged on the first outlet pipe 123, so that impurities in the combined polyether polyol a are substantially filtered. As shown in fig. 1, the first feed pipe 122 is provided with a first strainer 125, and the first discharge pipe 123 is provided with two first strainers 125.
In some embodiments, the blending system 100 further includes a combined polyether polyol return line 126 and a second heat exchanger 127, wherein the inlet end of the polyether polyol return line 126 is connected to the first discharge pipe 123 through a second direction valve 128, and the outlet end thereof is connected to the storage tank 121, and the combined polyether polyol a in the first discharge pipe 123 is re-conveyed to the storage tank 121 when the feeding is stopped, and the combined polyether polyol a also serves as a bypass and a pressure balancing function. The second heat exchanger 127 is disposed on the combined polyether polyol return pipeline 126 and configured to exchange heat with the combined polyether polyol a, so as to adjust the temperature of the combined polyether polyol a entering the storage tank 121 to a second preset temperature range, which is beneficial to uniformly mixing the components in the combined polyether polyol a.
The additive delivery device comprises a second feed pipe 131 and a third heat exchanger 132, the second feed pipe 131 is connected with the fourth mixer 106 and is configured to deliver the additive C to the fourth mixer 106, and the additive C is delivered to the fourth mixer 106 through the second feed pipe 131 under the action of the power pump 109. A third heat exchanger 132 is disposed on the second feeding pipe 131 and configured to exchange heat with the additive C to adjust the temperature of the additive C entering the fourth mixer 106 to a third predetermined temperature range, which facilitates uniform mixing of the additive C with the combined polyether polyol a and the blowing agent B. Due to the small amount of additive C, the mixing can be performed as it is, i.e. the temperature of the additive C is adjusted to the desired temperature range before entering the fourth mixer 106 by directly arranging the third heat exchanger 132 on the second feed pipe 131 as described above.
The first preset temperature range, the second preset temperature range and the third preset temperature range can be 20-25 ℃, and the mixing of materials is facilitated in the temperature ranges.
Accordingly, a second filter 133 is further provided on the second feeding pipe 131 to filter out impurities in the additive C.
Referring to fig. 1, the compounding system 100 further includes an additive return line 134, an inlet of which is connected to the second feed line 131 via a diverter valve 135 at a location adjacent to the fourth mixer 106, and an outlet of which is connected to the second feed line 131 at a location adjacent to the inlet of the second feed line 131, and configured to re-deliver the additive C in the second feed line 131 to the additive storage container when the feeding is stopped, while functioning as a bypass and to equalize the pressure.
The blowing agent feeding device includes a blowing agent feeding pipe 141 and a driving unit 142, the blowing agent feeding pipe 141 is connected to the third mixer 105 and configured to feed the blowing agent B into the third mixer 105 by the driving of the driving unit 142, and a check valve is provided on the blowing agent feeding pipe 141 to ensure the flow direction of the blowing agent B and prevent backflow.
Accordingly, the dispensing system further includes a blowing agent return line 143, an inlet end of which is connected to the blowing agent feed pipe 141 via a diverter valve 144 adjacent to the third mixer 105, and an outlet end of which is connected to the blowing agent feed pipe 141 adjacent to the blowing agent storage container, and configured to re-feed blowing agent B to the blowing agent storage container while bypassing and equalizing the pressure when the supply is stopped.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. The utility model provides a compounding system that combination polyol mixes batching which characterized in that includes:
the mixing material storage tank is internally provided with a combined polyol mixing material;
the inlet end of the mixing and proportioning material circulating pipeline is connected with the lower end of the mixing and proportioning material storage tank, and the outlet end of the mixing and proportioning material circulating pipeline is connected above the lower end of the mixing and proportioning material storage tank;
a first circulation pump disposed on the blending material circulation pipeline and configured to cause the combined polyol blending material to circulate between the blending material storage tank and the blending material circulation pipeline; and
and the first mixer is arranged on the mixing material circulating pipeline and is configured to mix the combined polyol mixing material so as to circularly and dynamically mix the combined polyol mixing material.
2. The compounding system of claim 1 further comprising:
the mixing material output pipeline is connected with the lower end of the mixing material storage tank and is configured to convey the combined polyol mixing material to a material using area;
the second circulating pump is arranged on the mixing material output pipeline and is matched to promote the combined polyol mixing material to flow to the material using area through the mixing material output pipeline;
and the second mixer is arranged on the mixing material output pipeline and is configured to mix the combined polyol mixing material.
3. The compounding system of claim 2 further comprising:
the inlet end of the mixed material return pipeline is connected with the material using area through a first reversing valve, the outlet end of the mixed material return pipeline is connected with the mixed material storage tank, and the mixed material return pipeline is configured to convey the mixed material of the combined polyol to the mixed material storage tank when the material using area stops using materials;
and the first heat exchanger is arranged on the mixed material return pipeline and is configured to exchange heat with the combined polyol mixed material so as to adjust the temperature of the combined polyol mixed material entering the mixed material storage tank to be within a first preset temperature range.
4. The compounding system of claim 1 further comprising:
a first agitator configured to agitate the combined polyol blend in the blend stock tank.
5. The compounding system of claim 1, wherein said compounding system is characterized by
The combined polyol mixed ingredient comprises combined polyether polyol, a foaming agent and an additive;
the mixing system also comprises a combined polyether polyol conveying device, a foaming agent conveying device, an additive conveying device, a third mixer and a fourth mixer;
the combined polyether polyol conveying device and the foaming agent conveying device are connected to the upstream of the third mixer and are respectively configured to convey the combined polyether polyol and the foaming agent into the third mixer for mixing;
the third mixer is connected to the upstream of the fourth mixer through a first mixture conveying pipeline so as to convey the mixed combined polyether polyol and the foaming agent to the fourth mixer;
the additive delivery device is connected upstream of the fourth mixer, is configured to deliver the additive to the fourth mixer such that the additive is mixed with the conjugate polyether polyol and the blowing agent to form the conjugate polyol blend stock, and is connected to the blend stock tank by a second blend stock delivery line to deliver the conjugate polyol blend stock into the blend stock tank.
6. The compounding system of claim 5, wherein said mixing system is further characterized by
The combined polyether polyol conveying device comprises a storage tank, a first feeding pipe and a first discharging pipe, wherein the first feeding pipe is used for conveying the combined polyether polyol to the storage tank, and the first discharging pipe is used for conveying the combined polyether polyol in the storage tank to the third mixer;
the combined polyether polyol delivery device further comprises a second agitator configured to agitate the combined polyether polyol in the storage tank.
7. The compounding system of claim 6, wherein said combination polyether polyol delivery unit further comprises:
at least two first filters, at least one first filter set up in on the first inlet pipe, at least another first filter set up in on the first discharging pipe to filter impurity.
8. The compounding system of claim 6 further comprising:
the inlet end of the combined polyether polyol return pipeline is connected with the first discharge pipe through a second reversing valve, the outlet end of the combined polyether polyol return pipeline is connected with the storage tank, and the combined polyether polyol return pipeline is configured to re-convey the combined polyether polyol in the first discharge pipe into the storage tank when feeding is stopped;
and the second heat exchanger is arranged on the combined polyether polyol return pipeline and is configured to exchange heat with the combined polyether polyol so as to regulate the temperature of the combined polyether polyol entering the storage tank to be within a second preset temperature range.
9. The compounding system of claim 5, wherein said mixing system is further characterized by
The additive delivery device comprises:
a second feed tube coupled to the fourth mixer configured to deliver the additive to the fourth mixer;
a third heat exchanger disposed on the second feed pipe and configured to exchange heat with the additive to regulate the temperature of the additive entering the fourth mixer to within a third predetermined temperature range.
10. The compounding system of claim 9 further comprising:
and the second filter is arranged on the second feeding pipe so as to filter impurities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922285405.5U CN211800250U (en) | 2019-12-18 | 2019-12-18 | Mixing system for mixed ingredients of combined polyol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922285405.5U CN211800250U (en) | 2019-12-18 | 2019-12-18 | Mixing system for mixed ingredients of combined polyol |
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| Publication Number | Publication Date |
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| CN211800250U true CN211800250U (en) | 2020-10-30 |
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| CN201922285405.5U Active CN211800250U (en) | 2019-12-18 | 2019-12-18 | Mixing system for mixed ingredients of combined polyol |
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