CN211035779U - Integrated equipment for cellulose freezing and dissolving industrial production - Google Patents
Integrated equipment for cellulose freezing and dissolving industrial production Download PDFInfo
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- CN211035779U CN211035779U CN201922232290.3U CN201922232290U CN211035779U CN 211035779 U CN211035779 U CN 211035779U CN 201922232290 U CN201922232290 U CN 201922232290U CN 211035779 U CN211035779 U CN 211035779U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The utility model relates to a cellulose processing technology field provides a integrative equipment that is used for freezing and dissolves industrial production of cellulose, including a plurality of material warehouse units that are used for storing the cellulose and a plurality of cold and hot media warehouse units that are used for storing cold and hot media, each material warehouse unit is neighbouring a cold and hot media warehouse unit at least, and material warehouse unit has the cold or hot first conducting surface that absorbs cold and hot media warehouse unit transmission and come, and the cold and hot media warehouse unit rather than neighbouring is hugged closely to first conducting surface. The utility model discloses a material warehouse unit stores the cellulose to utilize cold and hot medium warehouse unit to provide low temperature or high temperature for the cellulose in the material warehouse unit, can realize under the two condition that separates that the quick low temperature of cellulose freezes and melt with melting, we only need change cold and hot medium among the medium warehouse unit refrigerant and heat medium can, the cellulose only receives low temperature or high temperature's influence, has solved the problem that the preparation process is long and the energy consumption is high.
Description
Technical Field
The utility model relates to a cellulose processing technology field specifically is an integrative equipment that is used for freezing and dissolves industrial production of cellulose.
Background
The traditional method for dissolving macromolecular materials such as cellulose needs high temperature of 100-130 ℃, so that the energy consumption is high, the consumed time is long, carbon disulfide is needed in the dissolving process, and the water treatment pollution is great. In contrast, the low-temperature dissolution of cellulose polymers is not only rapid, but also urea and sodium hydroxide belong to renewable resources, and the dissolution technology can change agricultural wastes such as bean dregs, bagasse and the like into valuable substances and make the wastes into various useful industrial and civil materials. More importantly, the materials are environment-friendly, and can be naturally degraded within 1-2 months under the conditions of water, bacteria and a certain temperature as long as the materials are buried underground.
The low-temperature cellulose dissolving process is that the cellulose raw material and alkaline liquid are frozen at low temperature to form ice blocks, then the ice blocks are heated to normal temperature to obtain dissolved cellulose colloid, and the dissolved cellulose colloid can be regenerated into regenerated cellulose products through an acid coagulation bath. In the current industrial tests and production, cellulose low-temperature freezing production and thawing dissolution are not completed by mature complete equipment, and all traditional low-temperature equipment such as a freezer, a low-temperature cold room and the like are adopted, and are stored for a long time, cooled and made into ice, ice blocks are crushed and slowly melted and dissolved in a water heat conduction container, so that the production and preparation process is very long, the energy consumption is extremely high, and the production technology is difficult to industrially popularize.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an integrative equipment for freezing and dissolving industrial production of cellulose provides low temperature or high temperature for material storage storehouse unit through cold and hot medium storage storehouse unit to realize that the quick low temperature of cellulose freezes and dissolves with melting, solved the defect among the prior art.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: an integrated device for industrial production of cellulose freezing and dissolving comprises a plurality of material storage bin units for storing cellulose and a plurality of cold and hot medium storage bin units for storing cold and hot media, wherein each material storage bin unit is at least adjacent to one cold and hot medium storage bin unit, each material storage bin unit is provided with a first conduction surface for absorbing cold or heat transmitted by the cold and hot medium storage bin units, and the first conduction surface is tightly attached to the cold and hot medium storage bin unit adjacent to the first conduction surface.
Further, the cold and hot medium storage bin unit is provided with a second conduction surface for transmitting cold or heat of the cold and hot medium storage bin unit, and the first conduction surface and the second conduction surface are arranged in a close fit mode.
Furthermore, each material warehouse unit and each cold and hot medium warehouse unit are both flaky and all vertical settings, every vertical face of material warehouse unit and at least one vertical face of cold and hot medium warehouse unit are hugged closely, each material warehouse unit and each cold and hot medium warehouse unit overlap towards the same direction and establish and form a cube structure.
Further, the cold and hot medium storage bin unit and the material storage bin unit are sequentially and alternately arranged along the stacking direction.
Further, the outermost sides of the stacked cubic structures are the cold and hot medium storage units.
Further, each material storage bin unit is provided with a material inlet which is positioned at the lower part of the side face of the formed cubic structure; each material storage bin unit is provided with a material guide outlet which is positioned at the lower part of the side face of the formed cubic structure.
Further, each of the cold and hot medium storage units has a cold and hot medium introduction port located at an upper portion of a side of the cubic structure formed; each of the cold and hot medium storage units has a cold and hot medium introduction port located at an upper portion of a side of the cubic structure formed.
Further, each material storage bin unit is provided with an air outlet which is positioned at the top of the formed cubic structure.
Further, each material storage bin unit and each heating and cooling medium storage bin unit are provided with a spiral surface, the spiral surface of each material storage bin unit is tightly attached to the spiral surface of at least one heating and cooling medium storage bin unit, and each material storage bin unit and the heating and cooling medium storage bin unit are combined to form a spiral structure.
Furthermore, each material storage bin unit and each cold and hot medium storage bin unit are both in a tubular shape, each material storage bin unit and each cold and hot medium storage bin unit are arranged side by side, and each material storage bin unit is at least tightly attached to one cold and hot medium storage bin unit.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides an integrative equipment for freezing and dissolving industrial production of cellulose, adopt material warehouse unit to store the cellulose, and utilize cold and hot medium warehouse unit to provide low temperature or high temperature for the cellulose in the material warehouse unit, can realize the quick low temperature freezing and the dissolving of cellulose under the condition that the two separate, we only need change cold medium and heat medium in the cold and hot medium warehouse unit can, the cellulose only receives low temperature or high temperature's influence, and can not remove a large amount of contact air gas and moisture with among the prior art, and then frozen together, the problem that the preparation process is lengthy and the energy consumption is high has been solved.
Drawings
FIG. 1 is a schematic diagram of an integrated apparatus for industrial production of cellulose freezing and dissolving provided by an embodiment of the present invention;
in the reference symbols: 1-cold and hot medium storage unit; 10-cold and hot medium outlet; 11-a cold and hot medium inlet; 2-a material storage unit; 20-a material inlet; 21-material outlet; 22-exhaust port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
Referring to fig. 1, an embodiment of the present invention provides an integrated apparatus for cellulose freezing and dissolving industrial production, including a plurality of material storage units 2 for storing cellulose and a plurality of cold and hot medium storage units 1 for storing cold and hot media, each of the material storage units 2 is at least adjacent to one of the cold and hot medium storage units 1, the material storage unit 2 has a first conductive surface for absorbing cold or heat transferred from the cold and hot medium storage unit 1, and the first conductive surface is tightly attached to the cold and hot medium storage unit 1 adjacent thereto. In this embodiment, adopt material warehouse unit 2 to store the cellulose, and utilize cold and hot medium warehouse unit 1 to provide low temperature or high temperature for the cellulose in material warehouse unit 2, can realize the quick low temperature freezing of cellulose and melting and dissolving under the condition that the two separate, we only need to change refrigerant and heat medium in cold and hot medium warehouse unit 1 can, the cellulose only receives low temperature or high temperature's influence, and can not remove a large amount of contact air gas and moisture with among the prior art, and then freezes together, the problem that the preparation process is long and the energy consumption is high has been solved. The material storage bin unit 2 is provided with a first conducting surface which can receive cold or heat transferred from the cold and hot medium storage bin unit 1 conveniently. The cooling medium and the heating medium are conventional materials, and will not be described in detail here.
In order to optimize the above solution, please refer to fig. 1, the cold and hot medium storage unit 1 has a second conducting surface for transferring cold or heat therefrom, and the first conducting surface and the second conducting surface are disposed in close contact. In this embodiment, it is preferable that the cold and hot medium storage unit 1 also has a conduction surface, and the two conduction surfaces are jointed to facilitate the cold or heat transfer. The first and second terms are used herein only for distinguishing between features, and may be the same feature or different features, without any limitation in the sense of the first and second terms. Preferably, the first conducting surface and the second conducting surface are made of 304 stainless steel material, 306 stainless steel material or inner wall coated with polytetrafluoroethylene material.
As an optimization scheme of the embodiment of the present invention, please refer to fig. 1, each of the material storage units 2 and each of the cold and hot medium storage units 1 are both in a sheet shape and are vertically arranged, each of the vertical surfaces of the material storage units 2 and at least one of the cold and hot medium storage units 1 is tightly attached to each of the material storage units 2 and each of the cold and hot medium storage units 1 stacked in the same direction to form a cubic structure. In this embodiment, the material silo unit 2 and the cold and hot medium silo unit 1 are both configured to be sheet-shaped and vertically arranged, so that the contact surfaces of the material silo unit and the cold and hot medium silo unit are larger, and cold or hot conduction is facilitated. They constitute a cube as shown. Preferably, the equipment can be a box body, and then a plurality of material storage bin units 2 and cold and hot medium storage bin units 1 are separated in the box body, wherein the separation can be made of the 304 stainless steel material, the 306 stainless steel material or the polytetrafluoroethylene material coated on the inner wall of a common partition plate. Of course, other forms than the rectangular arrangement form a cube, such as a spiral arrangement form, that is, each of the material storage bin units and each of the heating medium storage bin units have a spiral surface, the spiral surface of each of the material storage bin units is closely attached to the spiral surface of at least one heating medium storage bin unit, and each of the material storage bin units and the heating medium storage bin units form a spiral structure in combination; or the pipelines are arranged in parallel, namely, each material storage bin unit and each cold and hot medium storage bin unit are both in a tubular shape, each material storage bin unit and each cold and hot medium storage bin unit are arranged side by side, and each material storage bin unit is at least attached to one cold and hot medium storage bin unit. As long as material storage storehouse unit can furthest's production heat transfer or cold efficiency in this kind of cold or hot medium, increase heat transfer or cold area, and then shorten the time of cooling or intensification, realize the quick dissolution of cellulose, it can to reduce the energy consumption.
Further optimizing the above scheme, please refer to fig. 1, the cold and hot medium storage units 1 and the material storage units 2 are alternately arranged in sequence along the stacking direction. In this embodiment, the alternate arrangement allows both vertical surfaces of the plurality of material bin units 2 to contact the cold and hot medium bin unit 1 to accelerate cold and heat conduction.
Further optimizing the above scheme, please refer to fig. 1, the outermost sides of the stacked cubic structures are the cold and hot medium storage units 1. In the present embodiment, it is defined that each material silo unit 2 can have a cold-hot medium silo unit 1 on both sides.
As an optimization scheme of the embodiment of the present invention, please refer to fig. 1, each of the material storage units 2 has a material inlet 20, and the material inlet 20 is located at a lower portion of a side surface of the formed cubic structure; each material storage bin unit 2 is provided with a material guide outlet 21, and the material guide outlet 21 is positioned at the lower part of the side surface of the formed cubic structure; each of the cold and hot medium storage units 1 has a cold and hot medium introduction port 11, and the cold and hot medium introduction port 11 is located at an upper portion of a side of the cubic structure formed; each of the cold and hot medium storage units 1 has a cold and hot medium introduction port 10, and the cold and hot medium introduction port 10 is located at an upper portion of a side of the cubic structure formed; each of the material bin units 2 has an air outlet 22, which air outlet 22 is located at the top of the formed cubic structure. In this embodiment, the material introduction port 20, the material discharge port 21, the cooling/heating medium introduction port 11, the cooling/heating medium discharge port 10, and the air discharge port 22 may be all present or only one or more thereof may be present, and this may be selected according to actual circumstances. The arrangement of the openings and the material storage bin unit 2 and the cold and hot medium storage bin unit 1 can better realize the low-temperature freezing and thawing dissolution of the cellulose. The specific operation method comprises the following steps: the screw pump is used to drive the cellulose into the material storage unit 2 from the material inlet 20, the air outlet 22 is opened during the introduction, the material inlet 20 is closed, the air outlet 22 is closed and the material outlet 21 is closed when the cellulose is loaded in each material storage unit. The refrigerant with the set temperature is guided into the cold and hot medium storage unit from the cold and hot medium inlet 11, and the cold and hot medium outlet 10 is opened, so that the refrigerant in the refrigerant storage unit is always communicated with the refrigerant in the external refrigerant box and continuously circulates. And when the cellulose is frozen to the required temperature, switching the refrigerant into the heat medium, opening the exhaust port 22, opening the material outlet 21 after the heat medium circulates for a period of time and the temperature of the cellulose reaches the normal temperature, allowing the fiber solution in the form of colloid to flow out from the material outlet 21, and after the dissolved glue solution flows out, introducing the cellulose from the material inlet 20 again, and repeatedly and circularly producing.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An integrative equipment that is used for freezing and dissolves industrial production of cellulose which characterized in that: the material storage bin comprises a plurality of material storage bin units for storing cellulose and a plurality of cold and hot medium storage bin units for storing cold and hot media, each material storage bin unit is at least adjacent to one cold and hot medium storage bin unit, each material storage bin unit is provided with a first conduction surface for absorbing cold or heat transferred by the cold and hot medium storage bin unit, and the first conduction surface is tightly attached to the cold and hot medium storage bin unit adjacent to the first conduction surface.
2. An integrated apparatus for industrial production of cellulose by freezing and dissolving according to claim 1, wherein: the cold and hot medium storage bin unit is provided with a second conduction surface for transmitting cold or heat of the cold and hot medium storage bin unit, and the first conduction surface and the second conduction surface are arranged in a clinging mode.
3. An integrated apparatus for industrial production of cellulose by freezing and dissolving according to claim 1, wherein: each material warehouse unit and each cold and hot medium warehouse unit are both flaky and all vertical settings, every vertical face of material warehouse unit and at least one vertical face of cold and hot medium warehouse unit are hugged closely, each material warehouse unit and each cold and hot medium warehouse unit form a cube structure towards the same direction stack.
4. An integrated apparatus for industrial production of cellulose freezing and dissolving according to claim 3, wherein: the cold and hot medium storage units and the material storage units are sequentially and alternately arranged along the stacking direction.
5. An integrated apparatus for industrial production of cellulose freezing and dissolving according to claim 4, wherein: the outermost sides of the stacked cubic structures are the cold and hot medium storage units.
6. An integrated apparatus for industrial production of cellulose freezing and dissolving according to claim 3, wherein: each material storage bin unit is provided with a material inlet, and the material inlet is positioned at the lower part of the side face of the formed cubic structure; each material storage bin unit is provided with a material guide outlet which is positioned at the lower part of the side face of the formed cubic structure.
7. An integrated apparatus for industrial production of cellulose freezing and dissolving according to claim 3, wherein: each of the cold and hot medium storage units has a cold and hot medium introduction port located at an upper portion of a side of the cubic structure formed; each of the cold and hot medium storage units has a cold and hot medium introduction port located at an upper portion of a side of the cubic structure formed.
8. An integrated apparatus for industrial production of cellulose freezing and dissolving according to claim 3, wherein: each material storage bin unit is provided with an air outlet which is positioned at the top of the formed cubic structure.
9. An integrated apparatus for industrial production of cellulose by freezing and dissolving according to claim 1, wherein: each material storage bin unit and each heating and cooling medium storage bin unit are respectively provided with a helical surface, the helical surface of each material storage bin unit is tightly attached to the helical surface of at least one heating and cooling medium storage bin unit, and each material storage bin unit and the heating and cooling medium storage bin unit are combined to form a helical structure.
10. An integrated apparatus for industrial production of cellulose by freezing and dissolving according to claim 1, wherein: each material storage bin unit and each cold and hot medium storage bin unit are both in a tubular shape, each material storage bin unit and each cold and hot medium storage bin unit are arranged side by side, and each material storage bin unit is at least tightly attached to one cold and hot medium storage bin unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922232290.3U CN211035779U (en) | 2019-12-13 | 2019-12-13 | Integrated equipment for cellulose freezing and dissolving industrial production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922232290.3U CN211035779U (en) | 2019-12-13 | 2019-12-13 | Integrated equipment for cellulose freezing and dissolving industrial production |
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| Publication Number | Publication Date |
|---|---|
| CN211035779U true CN211035779U (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922232290.3U Active CN211035779U (en) | 2019-12-13 | 2019-12-13 | Integrated equipment for cellulose freezing and dissolving industrial production |
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| CN (1) | CN211035779U (en) |
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