CN216678193U - Cellulose ether and starch ether plug flow homogeneous reactor - Google Patents
Cellulose ether and starch ether plug flow homogeneous reactor Download PDFInfo
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- CN216678193U CN216678193U CN202220192865.2U CN202220192865U CN216678193U CN 216678193 U CN216678193 U CN 216678193U CN 202220192865 U CN202220192865 U CN 202220192865U CN 216678193 U CN216678193 U CN 216678193U
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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
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Abstract
The utility model provides a plug flow homogeneous phase reactor for cellulose ether and starch ether, belonging to the technical field of chemical equipment. The top of the reaction tank is provided with a feed inlet, and the bottom of the reaction tank is provided with a discharge outlet; the bin outlet links to each other with the circulating pump, and the circulating pump export links to each other with the heat exchanger through circulating line, and the inner chamber of retort is penetrated from the bottom of retort to the discharge gate of heat exchanger, vertically sets up the material in the retort and throws the pipe, and the upper end of material throwing the pipe is located the inner chamber of retort. The heat exchanger is located outside the reaction tank and connected to the circulation pipe to conduct heat to the material flowing through the circulation pipe. The cellulose ether and starch ether plug flow homogeneous reactor provided by the utility model can realize continuous uniform heat exchange between the materials and the heat exchanger along with continuous circulation of the materials in the equipment, and complete and uniform mixing through circulation and throwing of the materials to complete plug flow homogeneous chemical reaction.
Description
Technical Field
The utility model belongs to the technical field of chemical equipment, and particularly relates to a plug flow homogeneous reactor for cellulose ether and starch ether.
Background
In the production of cellulose ethers and starch ethers, sufficient heat transfer and uniform mixing are required to achieve the heat/mass transfer required by the process.
In the prior art, heating elements are usually added to the stirring device to ensure the heat conduction and homogeneity requirements. However, the stirring device mostly adopts a mode that the motor drives the stirring paddle, and the homogenizing effect is poor. The heat transfer member is usually installed on the stirring device, and its heat transfer capability is limited due to the limitation of the installation space, resulting in poor heat transfer of the material.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a plug flow homogeneous reactor for cellulose ether and starch ether, aiming at solving the problem of poor heat conduction and homogenization effects of materials.
In order to realize the purpose, the utility model adopts the technical scheme that: there is provided a cellulose ether and starch ether plug flow homogeneous reactor comprising:
the top of the reaction tank is provided with a feed inlet, and the bottom of the reaction tank is provided with a discharge outlet;
the circulating pipeline is provided with a circulating pump, one end of the circulating pipeline is communicated with the discharge port, and the other end of the circulating pipeline penetrates into the inner cavity of the reaction tank from the bottom of the reaction tank;
the material throwing pipe is longitudinally arranged in the inner cavity of the reaction tank, the lower end of the material throwing pipe is communicated with one end, penetrating into the bottom of the reaction tank, of the circulating pipeline, and the upper end of the material throwing pipe is positioned in the inner cavity of the reaction tank;
and the heat exchanger is positioned outside the reaction tank and connected to the circulating pipeline so as to conduct heat to the materials flowing through the circulating pipeline.
In a possible implementation mode, the top of the reaction tank is provided with a top cover capable of being detachably connected, the feed inlet is formed in the top cover, the bottom of the reaction tank is provided with a conical sleeve, and the discharge outlet is formed in the bottom of the conical sleeve.
In a possible implementation manner, a heat conduction pipeline is arranged at the lower part of the outer side wall of the reaction tank, the heat conduction pipeline is arranged on the outer side wall of the reaction tank in a surrounding manner, and a first inlet and a first outlet are respectively arranged at two ends of the heat conduction pipeline.
In a possible implementation manner, a thermometer is arranged at the lower part of the side wall of the reaction tank, and a liquid level sensor is arranged at the upper part of the side wall of the reaction tank and is positioned below the upper port of the material throwing pipe.
In a possible implementation manner, the heat exchanger includes a heat exchange sleeve sleeved on the circulation pipeline, and a second inlet and a second outlet are respectively arranged on two sides of the heat exchange sleeve.
In a possible implementation manner, two sides of the heat exchange sleeve are respectively provided with a clean discharge port.
In a possible implementation manner, the heat exchange sleeve comprises a main sleeve and two flaring sleeves, the two flaring sleeves are respectively connected to two ends of the main sleeve, the second inlet and the second outlet are respectively arranged on two sides of the main sleeve, and the two exhaust ports are respectively correspondingly arranged on the two flaring sleeves.
In a possible implementation manner, a switching valve is arranged on the circulating pipeline, the switching valve is located between the discharge port and the circulating pump, a discharge port is arranged on the circulating pipeline, and the discharge port is located between the discharge port and the switching valve.
The cellulose ether and starch ether plug flow homogeneous reactor provided by the utility model has the beneficial effects that: compared with the prior art, the material enters into the inner chamber of retort from the feed inlet at retort top, enters into circulating line through the bin outlet, and the material in the circulating line is provided power by the circulating pump, carries out heat-conduction to the material through the heat exchanger, and the last upper port of throwing the pipe by the material is shed to the inner chamber of retort. Along with the material is constantly adding in to the retort, can realize that the material constantly carries out even heat transfer with the heat exchanger, carries out abundant homogeneity through the continuous shedding of material shedding pipe.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram of a cellulose ether and starch ether plug flow homogeneous reactor configuration provided by an embodiment of the present invention;
fig. 2 is a top view of fig. 1.
Description of reference numerals:
1. a reaction tank; 2. a circulation pipe; 3. a circulation pump; 4. a material throwing pipe; 5. a heat exchanger; 6. a top cover; 7. a heat conductive conduit; 8. a first inlet; 9. a first outlet; 10. a thermometer; 11. a liquid level sensor; 12. a second inlet; 13. a second outlet; 14. a discharge port; 15. a main bushing; 16. flaring the sleeve; 17. switching valves; 18. and (4) a discharge port.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to FIGS. 1 and 2, a plug flow homogeneous reactor for cellulose ether and starch ether according to the present invention will now be described. The cellulose ether and starch ether plug flow homogeneous reactor comprises a reaction tank 1, a circulating pipeline 2, a circulating pump 3, a material throwing pipe 4 and a heat exchanger 5.
The top of the reaction tank 1 is provided with a feed inlet, and the bottom is provided with a discharge outlet; a circulating pump 3 is arranged on the circulating pipeline 2, one end of the circulating pipeline 2 is communicated with the discharge port, and the other end of the circulating pipeline penetrates into the inner cavity of the reaction tank 1 from the bottom of the reaction tank 1; the material throwing pipe 4 is longitudinally provided with an inner cavity of the reaction tank 1, the lower end of the material throwing pipe 4 is communicated with one end of the circulating pipeline 2 penetrating into the bottom of the reaction tank 1, and the upper end of the material throwing pipe 4 is positioned in the inner cavity of the reaction tank 1; the heat exchanger 5 is located outside the reaction tank 1 and connected to the circulation pipe 2 to conduct heat to the material flowing through the circulation pipe 2.
Compared with the prior art, the cellulose ether and starch ether plug flow homogeneous reactor provided by the utility model has the advantages that materials enter the inner cavity of the reaction tank 1 from the feeding hole at the top of the reaction tank 1 and enter the circulating pipeline 2 through the discharging hole, the materials in the circulating pipeline 2 are powered by the circulating pump 3, heat conduction is carried out on the materials through the heat exchanger 5, and finally the materials are thrown to the inner cavity of the reaction tank 1 through the upper end port of the material throwing pipe 4. Along with the continuous material of adding in retort 1, can realize that the material constantly carries out even heat transfer with heat exchanger 5, carries out abundant homogeneity through the continuous throwing of material throwing pipe 4.
Preferably, the upper end of the material throwing pipe 4 is positioned at the upper part of the inner cavity of the reaction tank 1, and uniform throwing is more beneficial.
In some embodiments, referring to fig. 1, the top of the reaction tank 1 is provided with a detachably connected top cover 6, the feed inlet is arranged on the top cover 6, the bottom of the reaction tank 1 is provided with a conical sleeve, and the discharge outlet is arranged at the bottom of the conical sleeve.
Specifically, the top cover 6 at the top of the reaction tank 1 is connected through a bolt, so that the reaction tank 1 is convenient to disassemble, assemble and maintain. The conical sleeve at the bottom of the reaction tank 1 is convenient for the materials in the reaction tank 1 to gather.
In addition, the top cover 6 is provided with a feed inlet, a safety valve interface, a condenser interface, a pressure gauge interface, a viewing mirror port and the like, and corresponding accessories are installed according to actual production requirements.
In some embodiments, referring to fig. 1, a heat conduction pipe 7 is disposed at a lower portion of an outer sidewall of the reaction tank 1, the heat conduction pipe 7 surrounds the outer sidewall of the reaction tank 1, and a first inlet 8 and a first outlet 9 are respectively disposed at two ends of the heat conduction pipe.
Specifically, the first inlet 8 is an inlet for steam and circulating water, and the first outlet 9 is an outlet for steam and circulating water, so that circulation of steam or circulating water can be performed according to the heat transfer requirement of the material.
Heat conduction pipeline 7 cooperates heat exchanger 5 to use simultaneously, more enough further improves the heat-conduction effect of material.
In some embodiments, referring to fig. 1, a thermometer 10 is disposed on a lower portion of a sidewall of the reaction tank 1, a liquid level sensor 11 is disposed on an upper portion of the sidewall of the reaction tank 1, and the liquid level sensor 11 is located below an upper port of the material throwing pipe 4.
Specifically, the thermometer 10 is used for measuring the temperature of the material, and an operator can master the temperature from time to time, so that the temperature of the material can be regulated and controlled in time to meet the final requirement. Liquid level sensor 11 is used for the liquid level of response retort 1 interior material, and when the material reached liquid level sensor 11, liquid level sensor 11 signals to stop the material and continue to let in to retort 1, avoid appearing the material liquid level and surpass material throwing pipe 4 after, material throwing pipe 4 can not continue to throw the operation again.
In some embodiments, referring to fig. 2, the heat exchanger 5 includes a heat exchange sleeve sleeved on the circulation pipeline, and a second inlet 12 and a second outlet 13 are respectively disposed at two sides of the heat exchange sleeve.
Specifically, the second inlet 12 is an inlet for steam and circulating water, and the second outlet 13 is an outlet for steam and circulating water, so that circulation of steam or circulating water can be performed according to the heat transfer requirement of the material.
In some embodiments, referring to fig. 2, the heat exchange sleeve is further provided with a cleaning outlet 14 at each of two sides thereof.
Specifically, residual steam and circulating water in the heat exchange sleeve can be completely discharged by utilizing the exhaust port 14, and the phenomenon that the steam is retained in the heat exchange sleeve and condensed into water or retained circulating water is corroded on the heat exchange sleeve or the circulating pipeline 2 is avoided. Meanwhile, the air can also enter the exhaust heat exchange sleeve through the exhaust port 14.
In some embodiments, referring to fig. 1 and fig. 2, the heat exchange sleeve includes a main sleeve 15 and two flared sleeves 16, the two flared sleeves 16 are respectively connected to two ends of the main sleeve 15, the second inlet 12 and the second outlet 13 are respectively disposed on two sides of the main sleeve 15, and the two purge outlets 14 are respectively disposed on the two flared sleeves 16.
Specifically, a small port of the flaring sleeve 16 is connected to the circulating pipeline 2, and a large port of the flaring sleeve 16 is connected to the main sleeve 15, so that smooth transition from the circulating pipeline 2 to the main sleeve 15 is realized, and the bottom of the circulating pipeline 2 is flush with the bottom of the main sleeve 15. The second inlet 12 and the second outlet 13 are respectively arranged at two sides of the main sleeve 15, so that heat transfer liquid can conveniently enter and exit; two draining ports 14 are respectively arranged on one side of the flared sleeve 16 close to the small port, so that residual condensed water or circulating water can be drained conveniently.
In some embodiments, referring to fig. 2, a switching valve 17 is disposed on the circulation pipe 2, the switching valve 17 is disposed between the discharge port and the circulation pump 3, a discharge port 18 is disposed on the circulation pipe 2, and the discharge port 18 is disposed between the discharge port and the switching valve 17.
Specifically, when the materials are subjected to heat conduction and homogenization in the reaction tank 1 and the circulating pipeline 2, the switching valve 17 is opened, so that the circulating pipeline 2 is in a smooth state, and the normal circulation of the materials in the circulating pipeline 2 is ensured. After the materials are subjected to heat conduction and homogenization, the switching valve 17 is closed, the circulating pipeline 2 is in a closed state, the external pipeline is used for connecting the discharge port 18, the materials are discharged from the discharge port 18, and the materials are collected in a centralized manner.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A plug flow homogeneous reactor for cellulose ethers and starch ethers comprising:
the top of the reaction tank is provided with a feed inlet, and the bottom of the reaction tank is provided with a discharge outlet;
the circulating pipeline is provided with a circulating pump, one end of the circulating pipeline is communicated with the discharge port, and the other end of the circulating pipeline penetrates into the inner cavity of the reaction tank from the bottom of the reaction tank;
the material throwing pipe is longitudinally arranged in the inner cavity of the reaction tank, the lower end of the material throwing pipe is communicated with the circulating pipeline and penetrates into one end of the bottom of the reaction tank, and the upper end of the material throwing pipe is positioned in the inner cavity of the reaction tank;
and the heat exchanger is positioned outside the reaction tank and connected to the circulating pipeline so as to conduct heat to the materials flowing through the circulating pipeline.
2. The cellulose ether and starch ether plug flow homogeneous reactor of claim 1, wherein said reaction tank has a removably attached top cover at the top, said feed inlet opening in said top cover, said reaction tank having a conical jacket at the bottom, said discharge outlet opening in the bottom of said conical jacket.
3. The cellulose ether and starch ether plug flow homogeneous reactor of claim 1, wherein said reaction tank is provided with a heat conducting pipe at the lower part of the outer side wall, said heat conducting pipe is enclosed on the outer side wall of said reaction tank, and a first inlet and a first outlet are respectively arranged at both ends of said heat conducting pipe.
4. The cellulose ether and starch ether plug flow homogeneous reactor of claim 1, wherein said reactor tank has a thermometer in a lower portion of a sidewall thereof and a level sensor in an upper portion of the sidewall thereof, said level sensor being positioned below an upper port of said material dispensing tube.
5. The cellulose ether and starch ether plug flow homogeneous reactor of claim 1, wherein said heat exchanger comprises a heat exchange jacket disposed about said circulation conduit, said heat exchange jacket having a second inlet and a second outlet disposed on opposite sides of said heat exchange jacket.
6. The cellulose ether and starch ether plug flow homogeneous reactor of claim 5, further comprising a drain on each side of said heat exchange jacket.
7. The cellulose ether and starch ether plug flow homogeneous reactor of claim 6 wherein said heat exchange jacket comprises a main jacket and two flared jackets connected to opposite ends of said main jacket, said second inlet and said second outlet being disposed on opposite sides of said main jacket, and said purge ports being disposed on said two flared jackets.
8. The cellulose ether and starch ether plug flow homogeneous reactor of claim 1, wherein said circulation line is provided with a switching valve, said switching valve being positioned between said discharge outlet and said circulation pump, said circulation line being provided with a discharge outlet, said discharge outlet being positioned between said discharge outlet and said switching valve.
Priority Applications (1)
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CN202220192865.2U CN216678193U (en) | 2022-01-24 | 2022-01-24 | Cellulose ether and starch ether plug flow homogeneous reactor |
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CN202220192865.2U CN216678193U (en) | 2022-01-24 | 2022-01-24 | Cellulose ether and starch ether plug flow homogeneous reactor |
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CN216678193U true CN216678193U (en) | 2022-06-07 |
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CN202220192865.2U Active CN216678193U (en) | 2022-01-24 | 2022-01-24 | Cellulose ether and starch ether plug flow homogeneous reactor |
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Address after: 052200 Jinzhou circular economy industrial park, Shijiazhuang, Hebei Patentee after: Hebei Yezhiyuan New Material Co.,Ltd. Address before: 052200 Jinzhou circular economy industrial park, Shijiazhuang, Hebei Patentee before: HEBEI YEZHIYUAN CHEMICAL Co.,Ltd. |