CN214861208U - Dewatering device is used in production of diethylene glycol methyl ethyl ether - Google Patents
Dewatering device is used in production of diethylene glycol methyl ethyl ether Download PDFInfo
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- CN214861208U CN214861208U CN202120067940.8U CN202120067940U CN214861208U CN 214861208 U CN214861208 U CN 214861208U CN 202120067940 U CN202120067940 U CN 202120067940U CN 214861208 U CN214861208 U CN 214861208U
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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 discloses a dewatering device for diethylene glycol methyl ethyl ether production, including the evaporating pot body, be equipped with the (mixing) shaft in the evaporating pot body, be connected with agitator motor behind the up end center that the (mixing) shaft upper end wore to locate the evaporating pot body, the evaporating pot body up end is equipped with drain pipe, feed inlet, thermometer and four gas outlets of even symmetric distribution, evaporating pot body middle part and bottom are equipped with spiral heating coil A and spiral heating coil B respectively, evaporating pot body bottom is equipped with the feed liquor pipe, the inside wall setting of the evaporating pot body is hugged closely behind the bottom that the feed liquor pipe wore to locate the evaporating pot body, feed liquor pipe, spiral heating coil B, spiral heating coil A and drain pipe from the bottom up communicate end to end in proper order, be equipped with agitator A and agitator B respectively above spiral heating coil A and the spiral heating coil B on the (mixing) shaft, the terminal surface center is equipped with the discharge gate under the evaporating pot body, the evaporation tank body is integrally coated with a heat-insulating layer; the utility model has the advantages of fast evaporation speed, high evaporation efficiency and energy saving.
Description
Technical Field
The utility model belongs to the technical field of dewatering equipment is used in the chemical products production, concretely relates to dewatering device is used in diethylene glycol methyl ethyl ether production.
Background
When the diethylene glycol methyl ethyl ether is produced, the diethylene glycol ethyl ether is used as a raw material, firstly, the diethylene glycol ethyl ether is reacted with sodium hydroxide to generate diethylene glycol ethyl ether sodium, then, the diethylene glycol ethyl ether sodium is reacted with methyl chloride to generate a crude diethylene glycol methyl ethyl ether product, then, sodium chloride solid is precipitated through a precipitation tank to obtain a supernatant liquid mainly containing a product diethylene glycol methyl ethyl ether, water generated by the reaction, excessive diethylene glycol ethyl ether serving as a reaction raw material and the like, and finally, the steps of dehydration, rectification and the like are carried out to obtain a finished diethylene glycol methyl ethyl ether product. The reaction raw material diethylene glycol ethyl ether (the boiling point is about 202 ℃) and the product diethylene glycol methyl ethyl ether (the boiling point is about 176 ℃) are high-boiling-point solvents, so that the supernatant can be dehydrated by high-temperature evaporation, but most of the existing evaporation dehydration equipment adopts a side wall heating mode, and the structural design is unreasonable, so that the evaporation speed is low, and the evaporation efficiency is low; in order to solve the problems, it is necessary to develop a dehydration device for producing diethylene glycol methyl ethyl ether.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art and providing the dewatering device for the production of diethylene glycol methyl ethyl ether, which has the advantages of high evaporation speed, high evaporation efficiency and energy conservation.
The purpose of the utility model is realized like this: a dewatering device for diethylene glycol methyl ethyl ether production comprises an evaporation tank body, wherein a stirring shaft is arranged at the center inside the evaporation tank body, a stirring motor is connected behind the center of the upper end face of the evaporation tank body in a penetrating manner, the upper end face of the evaporation tank body is provided with a liquid outlet pipe, a feed inlet, a thermometer and four gas outlets which are uniformly and symmetrically distributed, the middle part and the bottom of the evaporation tank body are respectively provided with a spiral heating coil A and a spiral heating coil B, the bottom edge of the evaporation tank body is provided with a liquid inlet pipe, the liquid inlet pipe is arranged at the bottom of the evaporation tank body in a penetrating manner and is tightly attached to the inner side wall of the evaporation tank body, the liquid inlet pipe, the spiral heating coil B, the spiral heating coil A and the liquid outlet pipe are sequentially communicated from bottom to top end, a stirrer A and a stirrer B are respectively arranged above the spiral heating coil A and the spiral heating coil B on the stirring shaft, the lower terminal surface center of the evaporating pot body is provided with a discharge hole, and the evaporating pot body is integrally coated with a heat preservation layer.
Preferably, spiral heating coil A is the big waist shape structure that the middle external diameter is little of two external diameters from top to bottom, spiral heating coil B with the same specification setting of spiral heating coil A.
Further preferably, the spiral heating coil a and the spiral heating coil B are located on the inner side wall of the evaporating tank body on the opposite side of the liquid inlet pipe and are communicated with each other by being tightly attached to the inner side wall of the evaporating tank body.
Preferably, the liquid outlet pipe is arranged on the upper end surface of the evaporating tank body in a penetrating manner and then is tightly attached to the inner side wall of the evaporating tank body.
Preferably, agitator A includes that four even symmetries encircle last stirring vane and four even symmetries that the (mixing) shaft set up encircle the lower stirring vane, four that the (mixing) shaft set up go up stirring vane and four stirring vane staggers 45 degrees angle settings each other down, agitator B with the same specification setting of agitator A.
Further preferably, the upper stirring blade and the lower stirring blade are both obliquely arranged.
Still further preferably, a plurality of vertically arranged stirring plates are respectively and uniformly and symmetrically arranged at the upper end and the lower end of the upper stirring blade and the lower stirring blade.
Owing to adopted above technical scheme, the beneficial effects of the utility model are that: the utility model adopts two spiral heating coils distributed in the evaporating tank body to carry out high-temperature evaporation on the supernatant, the spiral heating coils are in direct contact with the supernatant and have large contact area, and the evaporation speed and the evaporation efficiency of high-temperature evaporation are effectively improved; the utility model adopts two stirrers which are staggered up and down with the spiral heating coil, which can accelerate the effective distribution and dispersion of high temperature, so that the high temperature in the evaporating pot is distributed uniformly, and the evaporating speed and the evaporating efficiency of high temperature evaporation are further improved; the utility model adopts the integral cladding heat preservation layer to prevent heat loss, effectively improves the utilization efficiency of heat and saves energy; in general, the utility model has the advantages of the evaporation rate is fast, evaporation efficiency is high, can the energy saving.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic top view of the present invention.
Fig. 3 is a schematic view of the overlooking structure of the relative position relationship of the stirring shaft, the upper stirring blade, the lower stirring blade and the stirring plate of the present invention.
Fig. 4 is a schematic view of the relative position relationship between the stirring shaft, the upper stirring blade or the lower stirring blade, and the stirring plate of the present invention.
In the figure: 1. the device comprises an evaporation tank body 2, a spiral heating coil A3, a stirrer A4, a stirring shaft 5, a liquid outlet pipe 6, a gas outlet 7, a feed inlet 8, a stirring motor 9, a thermometer 10, an upper stirring blade 11, a lower stirring blade 12, a stirring plate 13, a discharge hole 14, a liquid inlet pipe 15, a spiral heating coil B16, a stirrer B17 and a heat insulation layer.
Detailed Description
The technical scheme of the utility model is further explained in detail with the attached drawings.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the utility model provides a dewatering device for diethylene glycol methyl ethyl ether production, which comprises an evaporating pot body 1, wherein a stirring shaft 4 is arranged at the center inside the evaporating pot body 1, the upper end of the stirring shaft 4 is arranged through the center of the upper end face of the evaporating pot body 1 and is connected with a stirring motor 8, the upper end face of the evaporating pot body 1 is provided with a liquid outlet pipe 5, a feed inlet 7, a thermometer 9 and four gas outlets 6 which are uniformly and symmetrically distributed, the middle part and the bottom of the evaporating pot body 1 are respectively provided with a spiral heating coil A2 and a spiral heating coil B15, the bottom edge of the evaporating pot body 1 is provided with a liquid inlet pipe 14, the liquid inlet pipe 14 is arranged through the bottom of the evaporating pot body 1 and is closely attached to the inner side wall of the evaporating pot body 1, the liquid inlet pipe 14, the spiral heating coil B15, the spiral heating coil A2 and the liquid outlet pipe 5 are sequentially communicated from bottom to top, A3 and a stirrer B16 are respectively arranged above the spiral heating coil A2 and the spiral heating coil B15 on the stirring shaft 4, the center of the lower end face of the evaporating pot body 1 is provided with a discharge hole 13, and the evaporating pot body 1 is integrally coated with a heat-insulating layer 17.
Preferably, spiral heating coil a2 is a waist-shaped structure with large outer diameter at the upper end and small outer diameter at the middle, and spiral heating coil B15 is provided in the same specification as spiral heating coil a 2. Specifically, the spiral heating coil a2 and the spiral heating coil B15 are spiral structures formed by winding heating pipes, and the winding diameters of the spiral structures are large at both ends and small at the middle during winding, so that supernatant liquid can flow through as much as possible during heating, and the supernatant liquid can be sufficiently heated.
It is further preferred that the spiral heating coil a2 and the spiral heating coil B15 communicate with each other against the inside wall of the evaporation tank 1 on the opposite side of the liquid inlet pipe 14 on the inside wall of the evaporation tank 1.
More preferably, the liquid outlet pipe 5 is arranged on the upper end surface of the evaporating pot body 1 in a penetrating manner and then is tightly attached to the inner side wall of the evaporating pot body 1.
Preferably, agitator A3 includes that four even symmetries encircle last stirring vane 10 that (mixing) shaft 4 set up and four even symmetries encircle the lower stirring vane 11 that (mixing) shaft 4 set up, and stirring vane 10 and four lower stirring vane 11 angle settings that stagger each other on four, and the angle setting of staggering 45 angles each other can make the stirring effect better, and agitator B16 sets up with the same specification of agitator A3.
Further preferably, the upper stirring blade 10 and the lower stirring blade 11 are both obliquely arranged, and the oblique arrangement can accelerate the flow of supernatant liquor in the vertical direction, so that the stirring effect and the heating effect are better.
Further preferably, a plurality of vertically arranged stirring plates 12 are respectively and symmetrically arranged at the upper ends and the lower ends of the upper stirring blade 10 and the lower stirring blade 11, and the vertically arranged stirring plates 12 and the obliquely arranged upper stirring blade 10 and the lower stirring blade 11 stir the supernatant liquid from different directions, so that the stirring effect and the heating effect are better.
The utility model discloses during the in-service use, add the supernatant from feed inlet 7, close feed inlet 7 after adding the completion, high-temperature steam about being 110 ℃ from 14 input temperature of feed liquor pipe, high-temperature steam from the bottom up flows through feed liquor pipe 14 in the evaporating pot body 1 in proper order, spiral heating coil B15, spiral heating coil A2 and drain pipe 5 heat the evaporation to the supernatant, during open agitator motor 8, it is even to drive agitator A3 and the rotatory upper strata supernatant temperature distribution that makes of agitator B16, 9 real-time detection evaporating temperature of during, make the evaporating temperature in the evaporating pot body 1 maintain at the predetermined range, evaporating moisture exports from four gas outlets 6, stop to input high-temperature steam and close agitator motor 8 after the evaporation is accomplished, obtain the supernatant after the dehydration from discharge gate 13.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. The utility model provides a dewatering device is used in production of diethylene glycol methyl ethyl ether, includes the evaporating pot body, its characterized in that: the inner center of the evaporating pot body is provided with a stirring shaft, the upper end of the stirring shaft is arranged in a penetrating way on the center of the upper end face of the evaporating pot body and then connected with a stirring motor, the upper end face of the evaporating pot body is provided with a liquid outlet pipe, a feed inlet, a thermometer and four gas outlets which are evenly and symmetrically distributed, the middle part and the bottom of the evaporating pot body are respectively provided with a spiral heating coil A and a spiral heating coil B, the bottom edge of the evaporating pot body is provided with a liquid inlet pipe, the liquid inlet pipe is arranged in a penetrating way on the bottom of the evaporating pot body and then closely attached to the inner side wall of the evaporating pot body, the liquid inlet pipe, the spiral heating coil B, the spiral heating coil A and the liquid outlet pipe are sequentially communicated from bottom to top, a stirrer A and a stirrer B are respectively arranged above the spiral heating coil A and the spiral heating coil B on the stirring shaft, and the center of the lower end face of the evaporating pot body is provided with a discharge port, the whole evaporating pot body is coated with a heat-insulating layer.
2. The dehydration plant is used in diethylene glycol monoethyl ether production according to claim 1, characterized in that: spiral heating coil A is the waist shape structure that the big middle external diameter of upper and lower both external diameters is little, spiral heating coil B with the same specification setting of spiral heating coil A.
3. The dehydration plant is used in diethylene glycol monoethyl ether production according to claim 2, characterized in that: the spiral heating coil A and the spiral heating coil B are located on the inner side wall of the evaporating tank body, the opposite side of the liquid inlet pipe is tightly attached to the inner side wall of the evaporating tank body, and the inner side wall of the evaporating tank body is communicated with each other.
4. The dehydration plant is used in diethylene glycol monoethyl ether production of claim 3, characterized in that: the liquid outlet pipe penetrates through the upper end face of the evaporating tank body and then is tightly attached to the inner side wall of the evaporating tank body.
5. The dehydration plant is used in diethylene glycol monoethyl ether production according to claim 1, characterized in that: agitator A includes that four even symmetries encircle last stirring vane and four even symmetries that the (mixing) shaft set up encircle the lower stirring vane, four that the (mixing) shaft set up go up stirring vane and four stirring vane staggers 45 degrees angles each other and sets up down, agitator B with the same specification setting of agitator A.
6. The dehydration plant is used in diethylene glycol monoethyl ether production of claim 5, characterized in that: the upper stirring blade and the lower stirring blade are both obliquely arranged.
7. The dehydration plant is used in diethylene glycol monoethyl ether production of claim 6, characterized in that: the upper end and the lower end of the upper stirring blade and the lower stirring blade are respectively and uniformly and symmetrically provided with a plurality of vertically arranged stirring plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120067940.8U CN214861208U (en) | 2021-01-12 | 2021-01-12 | Dewatering device is used in production of diethylene glycol methyl ethyl ether |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120067940.8U CN214861208U (en) | 2021-01-12 | 2021-01-12 | Dewatering device is used in production of diethylene glycol methyl ethyl ether |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214861208U true CN214861208U (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120067940.8U Active CN214861208U (en) | 2021-01-12 | 2021-01-12 | Dewatering device is used in production of diethylene glycol methyl ethyl ether |
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| CN (1) | CN214861208U (en) |
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2021
- 2021-01-12 CN CN202120067940.8U patent/CN214861208U/en active Active
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