CN218590199U - Be used for urea and ethylene glycol to mix dissolving process units - Google Patents
Be used for urea and ethylene glycol to mix dissolving process units Download PDFInfo
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- CN218590199U CN218590199U CN202223247378.0U CN202223247378U CN218590199U CN 218590199 U CN218590199 U CN 218590199U CN 202223247378 U CN202223247378 U CN 202223247378U CN 218590199 U CN218590199 U CN 218590199U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a urea and ethylene glycol mix technical field, disclose a be used for urea and ethylene glycol to mix dissolving process units, including the ethylene glycol raw materials cauldron, the discharge gate of ethylene glycol raw materials cauldron has the raw materials to mix the cauldron through first pipe connection, one side that the raw materials mixes the cauldron is provided with screw conveyer, the discharge gate that the raw materials mixes the cauldron has the homogeneity mixing pump through the second pipe connection, the exit linkage of homogeneity mixing pump has the third pipeline, the end-to-end connection of third pipeline has two fourth pipelines, two the end of fourth pipeline is connected with raw materials configuration cauldron A and raw materials configuration cauldron B respectively, raw materials configuration cauldron A and raw materials configuration cauldron B's export is connected with output assembly jointly. The utility model discloses, can realize that urea concentrates the quick transport, urea and ethylene glycol mix airtight stirring in the raw materials mixes the cauldron, can not take place the reaction and cause the ammonia to leak, avoid environmental pollution and personnel's health injury.
Description
Technical Field
The utility model relates to a urea and ethylene glycol mix technical field, especially relate to a be used for urea and ethylene glycol to mix dissolving process units.
Background
The ethylene carbonate is an organic solvent with excellent performance, and can dissolve various polymers; in addition, the product can be used as an organic intermediate to replace ethylene oxide for a dioxygenation reaction and is a main raw material for producing dimethyl carbonate by a transesterification method; can also be used as raw materials for synthesizing furazolidone, water glass series sizing agent, fiber finishing agent and the like; in addition, the electrolyte is also applied to lithium battery electrolytes; ethylene carbonate is also useful as a reactive intermediate in the production of lubricating oils and greases.
The main component of ammonia water is NH 3 ·H 2 O, which is prepared by introducing ammonia gas into water, is an ammonia water solution, is colorless and transparent and has pungent smell; the catalyst is mainly used for manufacturing various ammonium salts, organic synthetic amination agents, reducing agents in the denitration process and the like in the chemical industry; the fabric is widely used in industries such as wool spinning, silk and printing and dyeing in the textile industry; liquid ammonia, also known as anhydrous ammonia, is a colorless liquid with a strong pungent odor; liquid ammonia is the main of industrial ammoniaThe storage form is a common non-aqueous solvent and refrigerant, and is widely used for producing chemical products such as chemical fertilizers, explosives, plastics, chemical fibers and the like.
Urea reacts with dihydric alcohol, can produce ethylene carbonate and ammonia, has fine economic value, and the abundant dissolving and mixing before the raw materials liquid gets into the reactor is the prerequisite of guaranteeing that the reaction goes on smoothly, however, urea dissolving time is longer among the prior art, when reducing production efficiency by a wide margin, can not bring more economic benefits.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a mixed dissolving process device for urea and glycol.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a be used for urea and ethylene glycol to mix dissolving process units, includes the ethylene glycol raw materials cauldron, the discharge gate of ethylene glycol raw materials cauldron is connected with the raw materials mixing cauldron through first pipeline, one side of raw materials mixing cauldron is provided with screw conveyer, the discharge gate of raw materials mixing cauldron is connected with the homogeneous mixing pump through the second pipeline, the exit linkage of homogeneous mixing pump has the third pipeline, the end-to-end connection of third pipeline has two fourth pipelines, the end of two fourth pipelines is connected with raw materials configuration cauldron A and raw materials configuration cauldron B respectively, the export of raw materials configuration cauldron A and raw materials configuration cauldron B is connected with output assembly jointly.
As a further description of the above technical solution:
the screw conveyer is close to the bottom position and is provided with the feeder hopper, be provided with automatically controlled butterfly valve on the raw materials mixing kettle, pass through bellows flexible coupling between automatically controlled butterfly valve and the screw conveyer.
As a further description of the above technical solution:
the output assembly comprises two fifth pipelines which are respectively communicated with outlets of the raw material preparation kettle A and the raw material preparation kettle B, the other ends of the two fifth pipelines are jointly connected with a sixth pipeline, and the tail end of the sixth pipeline is connected with a reaction feeding pump.
As a further description of the above technical solution:
and valves are arranged on the first pipeline, the second pipeline, the third pipeline, the fourth pipeline, the fifth pipeline and the sixth pipeline.
As a further description of the above technical solution:
and the first pipeline is provided with a mass flow meter.
As a further description of the above technical solution:
the raw material preparation kettle A and the raw material preparation kettle B are respectively provided with a jacket at the outer part, the upper part of the jacket is communicated with a heat medium pipeline, the lower part of the jacket is communicated with a discharge pipe, and the two discharge pipes are jointly connected with a main pipe.
The utility model discloses following beneficial effect has:
1. compared with the prior art, the device for the urea and ethylene glycol mixing and dissolving process can realize concentrated and rapid urea conveying, and the urea and the ethylene glycol are mixed and stirred in the raw material mixing kettle in a closed manner, so that ammonia gas leakage caused by reaction can be avoided, and environmental pollution and personnel health injury can be avoided.
2. Compared with the prior art, the device for the urea and ethylene glycol mixing and dissolving process has the advantages that the rotors and the stator gear discs in different levels of the homogenizing and mixing pump can be used for mixing and grinding from coarse to fine, urea particles can be fully crushed, and the urea and ethylene glycol solution can be fully and quickly mixed.
3. Compared with the prior art, this be used for urea and ethylene glycol to mix dissolving process units, through raw materials configuration cauldron A and raw materials configuration cauldron B airtight heating, urea and ethylene glycol are abundant rapid to be dissolved, adopt airtight mode not to have polluting gas to leak, and through the alternative operation of raw materials configuration cauldron A and raw materials configuration cauldron B, can realize serialization production, improve production efficiency, bring more economic benefits.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a device for urea and ethylene glycol mixed dissolution process provided by the utility model.
Illustration of the drawings:
1. a glycol raw material kettle; 2. a raw material mixing kettle; 3. a screw conveyor; 4. a feed hopper; 5. a first pipe; 6. a mass flow meter; 7. an electric control butterfly valve; 8. a second pipe; 9. a third pipeline; 10. a homogenizing mixing pump; 11. a raw material preparation kettle A; 12. a raw material preparation kettle B; 13. a heat medium pipe; 14. a discharge pipe; 15. a main pipe; 16. a fourth conduit; 17. a fifth pipeline; 18. a sixth pipeline; 19. a reaction feed pump.
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 all belong to the protection scope of the present invention.
Referring to fig. 1, the utility model provides a be used for urea and ethylene glycol to mix dissolving process units: including ethylene glycol raw materials cauldron 1, ethylene glycol raw materials cauldron 1's discharge gate is connected with raw materials mixing cauldron 2 through first pipeline 5, one side of raw materials mixing cauldron 2 is provided with screw conveyer 3, screw conveyer 3 is close to the bottom position and is provided with feeder hopper 4, be provided with automatically controlled butterfly valve 7 on the raw materials mixing cauldron 2, through bellows flexible coupling between automatically controlled butterfly valve 7 and the screw conveyer 3, raw materials mixing cauldron 2's discharge gate is connected with homogeneous mixing pump 10 through second pipeline 8, the exit linkage of homogeneous mixing pump 10 has third pipeline 9, the end-to-end connection of third pipeline 9 has two fourth pipelines 16, the end of two fourth pipelines 16 is connected with raw materials configuration cauldron A11 and raw materials configuration cauldron B12 respectively, raw materials configuration cauldron A11 is connected with output assembly jointly with raw materials configuration cauldron B12's export, output assembly includes two fifth pipelines 17, two fifth pipelines 17 respectively with raw materials configuration cauldron A11 and raw materials configuration cauldron B12's export switch-on, two fifth pipelines 17's the other end is connected with sixth pipeline 18 jointly, sixth pipeline 18's end connection has reaction pump 19 and reactor valve 19, the third pipeline is connected with the valve 18, the third pipeline 16 does not according to the third pipeline 8, the different types, the third pipeline 16 needs.
The first pipeline 5 is provided with a mass flow meter 6, the weight of the glycol solution entering the raw material mixing kettle 2 can be accurately measured through the mass flow meter 6, the outsides of the raw material preparation kettle A11 and the raw material preparation kettle B12 are respectively provided with a jacket, the upper part of the jacket is communicated with a heat medium pipeline 13, the lower part of the jacket is communicated with a discharge pipe 14, the two discharge pipes 14 are jointly connected with a main pipe 15, the homogenizing mixing pump 10 consists of a multi-pipe mixing head and a mixing pump, the homogenizing mixing pump 10 consists of 2-5 layers of rotors and stators, and gear discs of each layer of rotors and stators are from coarse to fine (adopting the prior mature technology), so that the raw materials with various components are instantly mixed and homogenized according to the proportion requirement; the homogeneous mixing pump 10 is a high-efficiency pump integrating mixing, dispersing, crushing, dissolving and homogenizing, so that the production process is further simplified, and the production efficiency is greatly improved.
The working principle is as follows: opening a valve of a first pipeline 5 on the ethylene glycol raw material kettle 1, allowing the ethylene glycol solution to flow into the raw material mixing kettle 2, wherein the mixing mass ratio of ethylene glycol and urea is 1.1-2, accurately metering the weight of the ethylene glycol solution entering the raw material mixing kettle 2 through a mass flow meter 6, and then starting the raw material mixing kettle 2;
the distance between the feed hopper 4 on the spiral conveyor 3 and the ground is lower, and an operator can pour urea into the feed hopper 4 only by standing on the ground, so that risks and labor cost caused by ascending and carrying are saved; before urea is fed, the electric control butterfly valve 7 is opened, the electric control butterfly valve 7 is in flexible connection with the screw conveyor 3 through a corrugated pipe, so that the sealing and the shock prevention can be realized, and meanwhile, the material leakage is avoided;
after the urea is added, after the raw material mixing kettle 2 is stirred and mixed, valves on the second pipeline 8 and the third pipeline 9 are opened, the homogeneous mixing pump 10 is started, the glycol and the urea are mixed, crushed and dispersed and then are pumped into the raw material preparation kettle A11 or the raw material preparation kettle B12 (the valve on one fourth pipeline 16 is opened as required), and at the moment, the raw material preparation kettle A11 or the raw material preparation kettle B12 is started, so that the raw material liquid is continuously mixed and dissolved after entering;
the method comprises the following steps of introducing low-pressure steam or heat conduction oil into a jacket of a raw material preparation kettle A11 or a raw material preparation kettle B12, heating mixed liquid in the raw material preparation kettle A11 or the raw material preparation kettle B12, controlling the temperature to be between 60 and 80 ℃, ensuring that urea particles are small enough to be crushed and ground fully through a previous process, and being capable of being rapidly and completely dissolved into ethylene glycol through heating, and simultaneously preventing harmful gases such as ammonia gas from leaking out of a closed system of the raw material preparation kettle A11 or the raw material preparation kettle B12 to cause damage to environmental pollution, personnel health and the like, realizing continuous production, improving the production efficiency and the productivity and bringing more economic benefits;
the reaction raw material liquid dissolved in the raw material preparation vessel a11 or the raw material preparation vessel B12 is pumped into the reactor by the reaction feed pump 19 to be reacted.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a be used for urea and ethylene glycol to mix dissolving process units, includes ethylene glycol raw materials cauldron (1), its characterized in that: the ethylene glycol raw material kettle is characterized in that a discharge port of the ethylene glycol raw material kettle (1) is connected with a raw material mixing kettle (2) through a first pipeline (5), a screw conveyor (3) is arranged on one side of the raw material mixing kettle (2), a discharge port of the raw material mixing kettle (2) is connected with a homogenizing mixing pump (10) through a second pipeline (8), an outlet of the homogenizing mixing pump (10) is connected with a third pipeline (9), the tail end of the third pipeline (9) is connected with two fourth pipelines (16), the tail ends of the two fourth pipelines (16) are respectively connected with a raw material configuration kettle A (11) and a raw material configuration kettle B (12), and outlets of the raw material configuration kettle A (11) and the raw material configuration kettle B (12) are jointly connected with an output assembly.
2. The apparatus for urea and ethylene glycol mixed dissolution process as claimed in claim 1, wherein: the screw conveyor (3) is provided with a feed hopper (4) close to the bottom, the raw material mixing kettle (2) is provided with an electric control butterfly valve (7), and the electric control butterfly valve (7) is in flexible connection with the screw conveyor (3) through a corrugated pipe.
3. The apparatus for urea and ethylene glycol mixed dissolution process as claimed in claim 1, wherein: the output assembly comprises two fifth pipelines (17), the two fifth pipelines (17) are respectively communicated with outlets of the raw material preparation kettle A (11) and the raw material preparation kettle B (12), the other ends of the two fifth pipelines (17) are connected with a sixth pipeline (18) together, and the tail end of the sixth pipeline (18) is connected with a reaction feed pump (19).
4. A process unit for urea and ethylene glycol mixed dissolution according to claim 3, characterized in that: valves are arranged on the first pipeline (5), the second pipeline (8), the third pipeline (9), the fourth pipeline (16), the fifth pipeline (17) and the sixth pipeline (18).
5. The apparatus for urea and ethylene glycol mixed dissolution process as claimed in claim 1, wherein: and a mass flow meter (6) is arranged on the first pipeline (5).
6. The apparatus of claim 1, wherein the apparatus comprises: jackets are arranged outside the raw material preparation kettle A (11) and the raw material preparation kettle B (12), a heat medium pipeline (13) is communicated with the upper part of each jacket, discharge pipes (14) are communicated with the lower part of each jacket, and a main pipe (15) is connected with the two discharge pipes (14) together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223247378.0U CN218590199U (en) | 2022-12-05 | 2022-12-05 | Be used for urea and ethylene glycol to mix dissolving process units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223247378.0U CN218590199U (en) | 2022-12-05 | 2022-12-05 | Be used for urea and ethylene glycol to mix dissolving process units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218590199U true CN218590199U (en) | 2023-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223247378.0U Active CN218590199U (en) | 2022-12-05 | 2022-12-05 | Be used for urea and ethylene glycol to mix dissolving process units |
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| Country | Link |
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| CN (1) | CN218590199U (en) |
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2022
- 2022-12-05 CN CN202223247378.0U patent/CN218590199U/en active Active
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