CN213643381U

CN213643381U - Crude ethylene glycol purification device

Info

Publication number: CN213643381U
Application number: CN202022446946.4U
Authority: CN
Inventors: 宋华
Original assignee: Guangxi Huarui Energy Technology Co ltd
Current assignee: Guangxi Huarui Energy Technology Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-07-09
Anticipated expiration: 2030-10-29

Abstract

The utility model relates to the technical field of chemical purification, in particular to a crude ethylene glycol purification device, which comprises a base, a heating plate and a water tank, wherein the upper end of the base is fixedly connected with the heating plate, the upper end of the heating plate is fixedly connected with a distillation box, the upper end right side of the distillation box is hermetically connected with a pipe plug, the upper end of the pipe plug is fixedly connected with a thermometer, the lower end of the thermometer is fixedly connected with a temperature sensor, the upper end left side of the distillation box is hermetically connected with a steam pipe, and the lower side of the right end of the distillation box is hermetically connected with a flow stopping valve. The temperature in the distillation box is convenient to control, and the ethylene glycol evaporation caused by overhigh temperature is prevented.

Description

Crude ethylene glycol purification device

Technical Field

The utility model relates to a chemical purification technical field specifically is a thick ethylene glycol purification device.

Background

Along with the development of society, the application of ethylene glycol is more and more extensive, ethylene glycol is also named as glycol and 1, 2-ethylene glycol, EG for short, is the simplest dihydric alcohol, the ethylene glycol is colorless and odorless and has sweet liquid and low toxicity to animals, the ethylene glycol can be mutually dissolved with water and acetone, but has low solubility in ethers and is used as a solvent, an antifreezing agent and a raw material for synthesizing terylene, the high polymer polyethylene glycol of the ethylene glycol is a phase transfer catalyst and is also used for cell fusion, and nitrate of the polyethylene glycol is an explosive.

In the prior art, a large amount of impurities and moisture exist in the use of ethylene glycol, so that the use of the ethylene glycol is influenced; and a small amount of impurities exist in the purified ethylene glycol, so that the ethylene glycol can generate a heterogeneous chemical reaction when in use, and meanwhile, the ethylene glycol is easily influenced by substances in the air in the purification process, so that the purified ethylene glycol is influenced again, and the purification work of the ethylene glycol is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thick ethylene glycol purification device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a crude ethylene glycol purification device, includes base, hot plate and water tank, the upper end fixedly connected with hot plate of base, the upper end fixedly connected with distillation retort of hot plate, the upper end right side sealing connection of distillation retort has the stopcock, the upper end fixedly connected with thermometer of stopcock, the lower extreme fixedly connected with temperature sensor of thermometer, the upper end left side sealing connection of distillation retort has the steam pipe, the right-hand member downside sealing connection of distillation retort has the flow stopping valve, the right-hand member sealing connection of flow stopping valve has the connector, the inboard sliding connection of connector has the filter frame, filter frame's inside fixedly connected with filter screen, the right-hand member sealing connection of connector has the transfer line, the right-hand member screwed connection of transfer line has the closing valve, the right-hand member sealing connection of closing valve has the.

Preferably, the left end of the steam pipe is connected with an exhaust pipe in a sealing manner, and the lower end of the exhaust pipe is connected with a water tank in a sealing manner.

Preferably, a cooling tank is arranged on the lower side of the infusion tube, and cooling liquid is injected into the cooling tank.

Preferably, the upper end of the filter frame is rotatably connected with a carrying handle.

Preferably, the number of the filter screens is three, and the filter screens are arranged at equal intervals.

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

1. in the utility model, the heating plate is used for heating the distillation box through the heating plate, the temperature sensor and the steam pipe, so that water in the crude glycol can be evaporated through the steam pipe, the crude glycol is further purified, the temperature in the distillation box is transmitted into the thermometer through the temperature sensor for temperature display, the temperature in the distillation box is convenient to control, and the glycol evaporation caused by overhigh temperature is prevented;

2. the utility model discloses in, through the flow stopping valve that sets up, filter screen and notes liquid case, utilize the flow stopping valve to export the ethylene glycol after the purification to filter impurity through the filter screen, make the ethylene glycol can further obtain the purification, and through the transfer line with the ethylene glycol injection liquid incasement after the secondary purification, and through holistic sealed setting, make the ethylene glycol after the purification can not receive external factor's influence.

Drawings

Fig. 1 is a schematic view of the overall installation structure of the present invention;

fig. 2 is a schematic structural diagram of a portion a of fig. 1 according to the present invention.

In the figure: 1-base, 2-heating plate, 3-distilling box, 4-pipe plug, 5-thermometer, 6-temperature sensor, 7-steam pipe, 8-check valve, 9-connector, 10-filtering frame, 11-filtering net, 12-transfusion pipe, 13-closing valve, 14-liquid injection box, 15-exhaust pipe, 16-water tank, 17-cooling box and 18-carrying handle.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution:

the utility model provides a crude ethylene glycol purification device, which comprises a base 1, hot plate 2 and water tank 16, the upper end fixedly connected with hot plate 2 of base 1, the upper end fixedly connected with distillation retort 3 of hot plate 2, the upper end right side sealing connection of distillation retort 3 has stopcock 4, the upper end fixedly connected with thermometer 5 of stopcock 4, thermometer 5's lower extreme fixedly connected with temperature sensor 6, the upper end left side sealing connection of distillation retort 3 has steam pipe 7, the right-hand member downside sealing connection of distillation retort 3 has flow stopping valve 8, flow stopping valve 8's right-hand member sealing connection has connector 9, the inboard sliding connection of connector 9 has filter frame 10, the inside fixedly connected with filter screen 11 of filter frame 10, the right-hand member sealing connection of connector 9 has transfer line 12, the right-hand member screwed connection of transfer line 12 has closed valve 13, the right-hand member sealing.

The left end of the steam pipe 7 is hermetically connected with an exhaust pipe 15, and the lower end of the exhaust pipe 15 is hermetically connected with a water tank 16, so that evaporated water can be conveniently collected; a cooling tank 17 is arranged at the lower side of the infusion tube 12, and cooling liquid is injected into the cooling tank 17, so that the purified ethylene glycol can be conveniently collected, and the purification efficiency of the crude ethylene glycol is accelerated; the upper end of the filter frame 10 is rotatably connected with a carrying handle 18, so that the filter screen 11 can be conveniently taken out, the filter screen 11 can be conveniently cleaned, and the filtered solid impurities can be taken out; the quantity of filter screen 11 has three, and filter screen 11 is equidistant setting, makes the filter effect more meticulous to promote the purity of ethylene glycol.

The working process is as follows: the device adopts an indoor 220V power supply for supplying power, when the crude glycol is purified, crude glycol liquid is injected into a distillation box 3 through an opening at the right side of the upper end of the distillation box 3, a pipe plug 4 is connected with the distillation box 3, a heating plate 2 is started to heat the distillation box 3 by the heating plate 2, water is evaporated firstly by the characteristic that the boiling point of the water is lower than that of the glycol, water vapor is conveyed to the right side through a steam pipe 7, distilled water is injected into a water tank 16 to be convenient for collecting the distilled water, the temperature display of a thermometer 5 is observed at the same time to prevent the glycol from being evaporated due to overhigh temperature, after the water in the crude glycol is evaporated, the continuous heating is stopped, a check valve 8 is opened, the purified glycol can filter solid impurities in the glycol through a filter screen 11, and the secondarily purified glycol is conveyed out through a liquid conveying pipe 12, simultaneously in the in-process of carrying cooling box 17 cools off, and pour into liquid injection case 14 in, this process is sealed the setting completely, thereby can prevent that external environment from causing the pollution once more to the ethylene glycol after the purification, the purification production of the ethylene glycol of being convenient for, and when needs are cleaned filter screen 11, upwards stimulate carrying handle 18, make filter frame 10 drive filter screen 11 rebound, thereby can clean filter screen 11, and can clean out solid impurity, and then be convenient for carry out purification treatment to thick ethylene glycol once more.

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

1. The utility model provides a crude ethylene glycol purification device, includes base (1), hot plate (2) and water tank (16), its characterized in that: the upper end of the base (1) is fixedly connected with a heating plate (2), the upper end of the heating plate (2) is fixedly connected with a distillation box (3), the upper end right side of the distillation box (3) is hermetically connected with a pipe plug (4), the upper end of the pipe plug (4) is fixedly connected with a thermometer (5), the lower end of the thermometer (5) is fixedly connected with a temperature sensor (6), the upper end left side of the distillation box (3) is hermetically connected with a steam pipe (7), the right end lower side of the distillation box (3) is hermetically connected with a flow stopping valve (8), the right end of the flow stopping valve (8) is hermetically connected with a connector (9), the inner side of the connector (9) is slidably connected with a filter frame (10), the inner part of the filter frame (10) is fixedly connected with a filter screen (11), and the right end of the connector, the right end of the infusion tube (12) is spirally connected with a closing valve (13), and the right end of the closing valve (13) is hermetically connected with a liquid injection box (14).

2. The crude ethylene glycol purification apparatus of claim 1, wherein: the left end of the steam pipe (7) is connected with an exhaust pipe (15) in a sealing mode, and the lower end of the exhaust pipe (15) is connected with a water tank (16) in a sealing mode.

3. The crude ethylene glycol purification apparatus of claim 1, wherein: a cooling box (17) is arranged on the lower side of the infusion tube (12), and cooling liquid is injected into the cooling box (17).

4. The crude ethylene glycol purification apparatus of claim 1, wherein: the upper end of the filter frame (10) is rotatably connected with a carrying handle (18).

5. The crude ethylene glycol purification apparatus of claim 1, wherein: the number of the filter screens (11) is three, and the filter screens (11) are arranged at equal intervals.