CN215916496U - Crude ethylene glycol refining plant for industrial production - Google Patents

Abstract

The utility model discloses a crude ethylene glycol refining device for industrial production, which comprises a distillation box, wherein one side of the distillation box is provided with a feed pipe and a feed conveying pipe, a heating assembly is arranged in the distillation box, the top end of the distillation box is buckled with a box cover, the top end of the box cover is provided with a steam exhaust pipe, one end of the steam exhaust pipe is connected with a conveying pipe a, the other side of the distillation box is provided with a collecting box, the top end of the collecting box is provided with a connecting pipe, the connecting pipe is provided with a connecting branch pipe, one end of the conveying pipe a is connected with the connecting pipe, the inner side of the box cover is provided with a liquid collecting assembly, the liquid collecting assembly is connected with the connecting branch pipe, and one end of the feed conveying pipe is provided with a filtering assembly; the water droplets gathered on the inner wall of the box cover can be guided into the collecting box through the arranged liquid collecting assembly, so that the water droplets are prevented from dropping in the crude glycol; the crude glycol can be filtered through the arrangement of the filtering component.

Description

Crude ethylene glycol refining plant for industrial production

Technical Field

The utility model relates to the technical field of chemical raw material purification devices, in particular to a crude ethylene glycol refining device for industrial production.

Background

Ethylene glycol, also called glycol, EG for short, is the simplest dihydric alcohol, is colorless, odorless and sweet liquid and has low toxicity to animals, can be mutually dissolved with water and acetone, has low solubility in ethers, and can be used as a solvent, an antifreezing agent and a raw material for synthesizing terylene;

however, a large amount of impurities and moisture exist in the crude ethylene glycol, and in order to ensure the purity and quality of the ethylene glycol, the crude ethylene glycol is usually required to be refined, and the most common refining method is a distillation method, wherein the crude ethylene glycol is placed in a heating container, and the crude ethylene glycol is heated to evaporate the moisture contained in the crude ethylene glycol so as to achieve the purpose of refining the crude ethylene glycol;

however, when the crude ethylene glycol is refined by distillation, steam generated in the purification process is finally collected to the top of the container, when the steam is collected to a certain amount, water drops are generated, and the water drops easily drop in the refined crude ethylene glycol, so that the purification efficiency is low;

and when the crude glycol is refined by adopting a distillation mode, impurity particles in the crude glycol cannot be effectively filtered, so that impurities still exist in the purified crude glycol, and the purification quality is influenced.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a purpose of achieving more practical value is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a crude glycol refining device for industrial production, aiming at solving the technical problems that in the prior art, steam water drops generated during the purification of crude glycol easily fall into the refined crude glycol, so that the purification efficiency is low, and impurity particles in the crude glycol cannot be effectively filtered, so that the purification quality is influenced.

The utility model is realized by the following steps:

the utility model provides a crude ethylene glycol refining plant for industrial production, includes the distillation case, distillation case one side is provided with charge-in tube and conveying pipeline, the inside heating element that is provided with of distillation case, distillation case top port portion lock has the case lid, the case lid top is provided with the exhaust pipe, exhaust pipe one end is connected with conveyer pipe a, the collecting box is installed to the distillation case opposite side, the collecting box top is provided with the connecting pipe, be provided with the connecting branch pipe on the connecting pipe, conveyer pipe a one end with the connecting pipe is connected, the case lid inboard is provided with the collection liquid subassembly, the collection liquid subassembly with the connecting branch union coupling, conveying pipeline one end is provided with filter assembly.

Further, heating element includes the heating plate, the heating plate sets up the inner bottom end of distillation case, be provided with the multiunit heating pipe on the heating plate.

Further, the liquid collecting assembly comprises an intercepting plate, the intercepting plate is fixedly arranged on the inner wall of the box cover, conveying pipes b are arranged on the periphery of the box cover, pipe orifices of the conveying pipes b are communicated to the inner side of the box cover, and one ends of the conveying pipes b are connected with the connecting branch pipes.

Further, the filter assembly includes the cartridge filter, the cartridge filter sets up conveying pipeline one end, the installation cavity has been seted up on the cartridge filter, be provided with the installing frame in the installation cavity, the multiunit card hole has been seted up on the installing frame, the multiunit the filter has all been blocked in the card hole, cartridge filter one end is provided with row material pipe.

Furthermore, a mounting shell is arranged on one side of the distillation box, and a temperature detector is mounted in the mounting shell.

Furthermore, a liquid discharge pipe is arranged on the collection box, and a control valve a is arranged in the liquid discharge pipe.

Furthermore, a control valve b and a control valve c are respectively arranged in the material conveying pipe and the material feeding pipe.

Compared with the prior art, the utility model has the beneficial effects that:

1. the heating assembly is arranged in the distillation box and can heat crude glycol in the distillation box to generate steam, the top end of the distillation box is buckled with a box cover, the top end of the box cover is provided with a steam exhaust pipe, one end of the steam exhaust pipe is connected with a conveying pipe a, the other side of the distillation box is provided with a collecting box, one end of the conveying pipe a is connected with a connecting pipe, after the crude glycol is heated, moisture in the crude glycol is changed into steam to rise, most of the generated steam can be conveyed into the collecting box from the steam exhaust pipe, the conveying pipe a and the connecting pipe, and therefore most of the steam can be conveyed into the collecting box;

2. the liquid collecting component is arranged on the inner side of the box cover and is connected with the connecting branch pipe on the connecting pipe, when steam rises, part of steam is collected to the inner top surface of the box cover, the inner wall of the box cover is conical, when the steam collected to the inner top surface of the box cover becomes water drops, the water drops can be guided to the liquid collecting component along the conical surface of the inner wall of the box cover, and finally the water drops are introduced into the connecting pipe and flow into the collecting box, so that the water drops collected by the steam in the distillation box can be prevented from falling into the crude glycol;

3. through set up filtering component in conveying pipeline one end, after the moisture in thick ethylene glycol is evaporated, can discharge the thick ethylene glycol after the processing from the conveying pipeline, and when discharging from the conveying pipeline, thick ethylene glycol can pass through filtering component department to can filter the foreign particle in the thick ethylene glycol.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is an exploded view of a portion of the assembly of the present invention;

FIG. 4 is an exploded view of a portion of the assembly of the present invention;

fig. 5 is a sectional view of a portion of an assembly according to the present invention.

The corresponding relation between the names of the attachments and the numbers of the attached figures in the figure:

1. a delivery pipe a; 2. a delivery pipe b; 3. a connecting pipe; 4. a collection box; 5. a liquid discharge pipe; 6. a control valve a; 7. a distillation box; 8. a filter cartridge; 9. a discharge pipe; 10. a temperature detector; 11. a box cover; 12. a steam exhaust pipe; 13. connecting branch pipes; 14. mounting a shell; 15. a delivery pipe; 16. a mounting cavity; 17. a clamping hole; 18. a filter plate; 19. installing a frame; 20. a control valve b; 21. a control valve c; 22. a feed tube; 23. heating a tube; 24. a interception plate; 25. and heating the plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

Example (b):

referring to fig. 1 to 5: a crude glycol refining device for industrial production comprises a distillation box 7, wherein a feeding pipe 22 and a conveying pipe 15 are arranged on one side of the distillation box 7, crude glycol raw materials can be conveniently added into the distillation box 7 through the arranged feeding pipe 22, and the purified crude glycol in the distillation box 7 can be conveniently discharged through the arranged conveying pipe 15;

a heating component is arranged in the distillation box 7, and crude glycol in the distillation box 7 can be conveniently heated by the arranged heating component;

wherein, the heating assembly comprises a heating plate 25, the heating plate 25 is arranged at the inner bottom end of the distillation box 7, a plurality of groups of heating pipes 23 are arranged on the heating plate 25, and the heating pipes 23 are arranged inside the distillation box 7, so that after the heating plate 25 is communicated with an external power supply, the plurality of groups of heating pipes 23 can generate heat, crude glycol in the distillation box 7 is heated and boiled, and the boiling point of water is lower than that of the crude glycol, so that the water in the crude glycol can be evaporated, and the water is changed into steam;

a box cover 11 is buckled at the opening part at the top end of the distillation box 7, and the arranged box cover 11 can seal the opening part at the top end of the distillation box 7;

the top end of the box cover 11 is provided with a steam exhaust pipe 12, one end of the steam exhaust pipe 12 is connected with a conveying pipe a1, the other side of the distillation box 7 is provided with a collecting box 4, the top end of the collecting box 4 is provided with a connecting pipe 3, one end of the conveying pipe a1 is connected with the connecting pipe 3, when moisture in the crude ethylene glycol is evaporated to be changed into steam, the steam can rise, most of the rising steam is conveyed into the collecting box 4 through the steam exhaust pipe 12, the conveying pipe a1 and the connecting pipe 3, and finally the steam is changed into liquid in the collecting box 4;

the connecting pipe 3 is provided with a connecting branch pipe 13, the inner side of the box cover 11 is provided with a liquid collecting component, the liquid collecting component is connected with the connecting branch pipe 13, a little steam can be collected to the inner top surface of the box cover 11 when the steam rises, and because the inner wall of the box cover 11 is conical, when the steam collected to the inner top surface of the box cover 11 becomes water drops, the water drops can be guided to the liquid collecting component along the conical surface of the inner wall of the box cover 11 and finally are introduced into the connecting pipe 3 and then flow into the collecting box 4, so that the steam can be prevented from being collected into water drops in the distillation box 7 and falling into the crude glycol;

the liquid collecting assembly comprises a blocking plate 24, the blocking plate 24 is fixedly arranged on the inner wall of the box cover 11, a water collecting ditch can be formed on the inner wall of the box cover 11 by fixedly arranging the blocking plate 24 on the inner wall of the box cover 11, when steam collected to the inner top surface of the box cover 11 becomes water drops, the water drops can flow downwards along the conical surface of the inner wall of the box cover 11, and the flowing water drops are blocked by the blocking plate 24 finally, so that the water drops are collected in the formed water collecting ditch to be collected;

a delivery pipe b2 is arranged on the periphery of the box cover 11, the nozzle of the delivery pipe b2 penetrates to the inner side of the box cover 11, and water drops collected in the water collecting ditch can be discharged through the delivery pipe b 2; and one end of the delivery pipe b2 is connected with the connecting branch pipe 13, so that the delivery pipe b2 is assembled with the connecting pipe 3, the water drops collected in the water collecting ditch can be discharged into the connecting pipe 3 through the delivery pipe b2 and finally collected in the collecting box 4, and the steam can be prevented from being collected into water drops in the crude glycol in the distilling box 7;

one end of the material conveying pipe 15 is provided with a filtering component, when the moisture in the crude glycol is evaporated, the processed crude glycol can be discharged from the material conveying pipe 15, and when the processed crude glycol is discharged from the material conveying pipe 15, the crude glycol passes through the filtering component, and the filtering component can filter out impurity particles in the crude glycol;

wherein, the filter component comprises a filter cartridge 8, the filter cartridge 8 is arranged at one end of the material conveying pipe 15, so that the filter cartridge 8 is assembled with the material conveying pipe 15, and the crude glycol can enter the filter cartridge 8 after being discharged from the material conveying pipe 15;

the filter cartridge 8 is provided with a mounting cavity 16, a mounting frame 19 is arranged in the mounting cavity 16, and the mounted mounting frame 19 can be taken out of the mounting cavity 16; a plurality of groups of clamping holes 17 are formed in the mounting frame 19, the filter plates 18 are clamped in the plurality of groups of clamping holes 17, so that the plurality of groups of filter plates 18 are mounted on the mounting frame 19, when the crude glycol enters the filter cylinder 8, the crude glycol sequentially flows through the plurality of groups of filter plates 18, and in the flowing process, the filter plates 18 can intercept impurity particles in the crude glycol, so that the impurity particles in the crude glycol are removed; one end of the filter cylinder 8 is provided with a discharge pipe 9, and after impurity particles in the crude glycol are removed, the crude glycol can be discharged from the discharge pipe 9 for use.

Referring to fig. 3, a mounting shell 14 is arranged on one side of a distillation box 7, a temperature detector 10 is mounted in the mounting shell 14, the temperature in the distillation box 7 can be detected through the arranged temperature detector 10, the type of the arranged temperature detector 10 is LCD-150, and the product is provided with a probe rod, has a digital display function and can be used for conveniently and visually observing temperature values.

Referring to fig. 2, a drain pipe 5 is provided on the collection tank 4, a control valve a6 is provided in the drain pipe 5, the drain pipe 5 is provided to facilitate the drainage of the distilled water collected in the collection tank 4, and the control valve a6 is provided to control the open/close state of the drain pipe 5.

Referring to fig. 4, a control valve b20 and a control valve c21 are respectively disposed in the feed delivery pipe 15 and the feed pipe 22, and a control valve b20 and a control valve c21 are respectively disposed to control the open and close states of the feed delivery pipe 15 and the feed pipe 22.

The using method comprises the following steps: when the device is used, the feeding pipe 22 and the material conveying pipe 15 are arranged on one side of the distillation box 7, crude glycol raw materials can be added into the distillation box 7 through the feeding pipe 22, the opening part at the top end of the distillation box 7 is buckled with the box cover 11, after the crude glycol is added into the distillation box 7, the box cover 11 can be buckled at the opening part at the top end of the distillation box 7, and the opening part at the top end of the distillation box 7 is sealed;

the distillation box 7 is internally provided with a heating component, after the box cover 11 is buckled at the top opening of the distillation box 7, a heating plate 25 in the heating component can be communicated with an external power supply to enable a plurality of groups of heating pipes 23 to generate heat, so that crude glycol in the distillation box 7 can be heated and boiled, and because the boiling point of water is lower than that of the crude glycol, the water in the crude glycol can be evaporated, and the water is changed into steam;

the top end of the box cover 11 is provided with the steam exhaust pipe 12, one end of the steam exhaust pipe 12 is connected with the delivery pipe a1, the other side of the distillation box 7 is provided with the collection box 4, the top end of the collection box 4 is provided with the connecting pipe 3, one end of the delivery pipe a1 is connected with the connecting pipe 3, when moisture in the crude glycol is evaporated to be changed into steam, the steam can rise, most of the rising steam is delivered into the collection box 4 through the steam exhaust pipe 12, the delivery pipe a1 and the connecting pipe 3, and finally the steam is changed into liquid in the collection box 4;

the connecting pipe 3 is provided with a connecting branch pipe 13, the inner side of the box cover 11 is provided with a liquid collecting component, the liquid collecting component is connected with the connecting branch pipe 13, when steam rises, a little steam can be collected on the inner top surface of the box cover 11, because the inner wall of the box cover 11 is conical, when the steam collected on the inner top surface of the box cover 11 turns into water drops, the water drops can flow downwards along the conical surface of the inner wall of the box cover 11, and the flowing water drops are finally blocked by the interception plate 24 in the liquid collecting component, so that the water drops are collected on the interception plate 24 to be collected, a delivery pipe b2 is arranged on the periphery of the box cover 11, the nozzle of the delivery pipe b2 penetrates to the inner side of the box cover 11, one end of the delivery pipe b2 is connected with the connecting branch pipe 13, when the water drops are blocked by the blocking plate 24, the water drops can be discharged into the connecting pipe 3 through the conveying pipe b2 and finally collected in the collecting box 4, so that the steam can be prevented from being collected into water drops in the crude glycol in the distilling box 7;

through setting up filter assembly in 15 one ends of conveying pipeline, after the moisture in thick ethylene glycol is evaporated, can discharge the thick ethylene glycol after processing from conveying pipeline 15, after thick ethylene glycol discharges from conveying pipeline 15, can enter into the cartridge filter 8 that sets up in filter assembly, and after thick ethylene glycol enters into cartridge filter 8, thick ethylene glycol can flow through from multiunit filter 18 in proper order, the in-process that flows, filter 18 can intercept the impurity granule in the thick ethylene glycol, thereby clear away the impurity granule in the thick ethylene glycol, make the thick ethylene glycol after the edulcoration processing discharge the use from arranging material pipe 9 at last.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a crude ethylene glycol refining plant for industrial production which characterized in that: including distillation box (7), distillation box (7) one side is provided with filling tube (22) and conveying pipeline (15), distillation box (7) inside is provided with heating element, distillation box (7) top oral area lock has case lid (11), case lid (11) top is provided with exhaust pipe (12), exhaust pipe (12) one end is connected with conveyer pipe a (1), collecting box (4) are installed to distillation box (7) opposite side, collecting box (4) top is provided with connecting pipe (3), be provided with connecting branch pipe (13) on connecting pipe (3), conveyer pipe a (1) one end with connecting pipe (3) are connected, case lid (11) inboard is provided with the collection liquid subassembly, the collection liquid subassembly with connecting branch pipe (13) are connected, conveying pipeline (15) one end is provided with filtering component.

2. The crude ethylene glycol refining apparatus for industrial production according to claim 1, characterized in that: heating element includes heating plate (25), heating plate (25) set up the inner bottom end of distillation case (7), be provided with multiunit heating pipe (23) on heating plate (25).

3. The crude ethylene glycol refining apparatus for industrial production according to claim 1, characterized in that: the liquid collecting assembly comprises a blocking plate (24), the blocking plate (24) is fixedly arranged on the inner wall of the box cover (11), conveying pipes b (2) are arranged on the peripheral side of the box cover (11), pipe orifices of the conveying pipes b (2) are communicated to the inner side of the box cover (11), and one ends of the conveying pipes b (2) are connected with the connecting branch pipes (13).

4. The crude ethylene glycol refining apparatus for industrial production according to claim 1, characterized in that: the filter assembly comprises a filter cartridge (8), the filter cartridge (8) is arranged at one end of the conveying pipeline (15), a mounting cavity (16) is formed in the filter cartridge (8), a mounting frame (19) is arranged in the mounting cavity (16), a plurality of groups of clamping holes (17) are formed in the mounting frame (19), a plurality of groups of filtering plates (18) are arranged in the clamping holes (17) in a clamped mode, and a material discharging pipe (9) is arranged at one end of the filter cartridge (8).

5. The crude ethylene glycol refining apparatus for industrial production according to claim 1, characterized in that: and an installation shell (14) is arranged on one side of the distillation box (7), and a temperature detector (10) is installed in the installation shell (14).

6. The crude ethylene glycol refining apparatus for industrial production according to claim 1, characterized in that: a liquid discharge pipe (5) is arranged on the collection box (4), and a control valve a (6) is arranged in the liquid discharge pipe (5).

7. The crude ethylene glycol refining apparatus for industrial production according to claim 1, characterized in that: and a control valve b (20) and a control valve c (21) are respectively arranged in the material conveying pipe (15) and the feeding pipe (22).

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