CN214022484U

CN214022484U - A solvent washing device for polymer in psammitolite funnel

Info

Publication number: CN214022484U
Application number: CN202023050254.4U
Authority: CN
Inventors: 刘俊良; 陈英玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-08-24
Anticipated expiration: 2030-12-17

Abstract

A solvent washing device for polymers in a sand core funnel belongs to the technical field of instruments and meters. The device comprises a lifting structure, an integrated solvent washing bottle and a heating structure; lifting structure adopts step motor drive spiral lifter, and the spiral lifter drives integral type solvent washing bottle through the lift fixation clamp and goes up and down, and this washing bottle is the calabash shape glassware that is fired and processed into by two round bottom glass flasks. A heating pot and a magnetic stirrer are arranged below the washing bottle. The device can rapidly wash the G3 or G4 funnel filtered by the polymer, the solvent is recycled, and the solvent volatilization and the damage to operators caused by the solvent exposed to the air are avoided. The washed funnel is washed by water and dried to achieve the purpose of repeated use. The device has simple structure and easy operation.

Description

A solvent washing device for polymer in psammitolite funnel

Technical Field

The utility model relates to an instrument and meter field, specificly relate to a solvent washing device that is arranged in psammitolite funnel polymer.

Background

In the analysis process of qualitatively and quantitatively analyzing the content of the polymer, a sand core funnel is often used, the polymer embedded in the sand core funnel is difficult to clean, and for the accuracy of analysis, the sand core funnel is only used once, so that resource waste and environmental pollution are caused. In order to reuse the sand core funnel, a method of soaking the sand core funnel with a solvent can be adopted, but the solvent cannot clean the G3 or G4 funnel due to the polymer after multiple times of washing. But also has the problems of solvent volatilization, harm to the health of operators and the like. At present, the problem of repeated use of a sand core funnel is urgently needed to be solved for analyzing and evaluating the content of polymers in China.

Disclosure of Invention

An object of the utility model is to provide a solvent washing device for polymer in psammitolite funnel, it can realize psammitolite funnel's recycle, pollution abatement and the extravagant problem of resource.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a solvent washing device for polymers in a sand core funnel comprises a controller, and the device comprises a lifting structure, an integrated solvent washing bottle and a heating structure, wherein the lifting structure adopts a stepping motor to drive a spiral lifting rod;

the integrated solvent washing bottle adopts a wide-mouth flask which is internally provided with an opening connecting pipe, and the connecting pipe penetrates out of the lower end of the wide-mouth flask and is connected with a round-bottom flask; the sand core funnel is reversely arranged on the connecting pipe, and the sand core filter disc is contacted with the top of the connecting pipe; the bottle mouth of the wide-mouth flask is connected with a condenser;

the spiral lifting rod is connected with the integrated solvent washing bottle through a lifting fixing clamp, and a wide-mouth flask fixing clamp of the lifting fixing clamp acts on the mouth of the wide-mouth flask; the round-bottom flask fixing clamp acts on the bottleneck of the round-bottom flask;

the heating structure is arranged below the round-bottom flask and comprises a heating pot and a magnetic stirrer;

the controller is electrically connected with the stepping motor, the heating pot and the magnetic stirrer.

The height of the connecting pipe in the wide-mouth flask is greater than the wall height of the sand core funnel; the top of the connecting pipe is uneven.

The heating medium in the heating pot is selected from water, glycol or glycerol.

The sand core funnel is a G3 funnel or a G4 funnel.

The wide-mouth flask adopts a No. 50 ground mouth, and the condenser adopts a No. 50 ground plug.

The round-bottom flask is internally provided with a magneton.

The capacity of the round-bottom flask is 1000mL, and the capacity of the wide-mouth flask is 500 mL.

The stirring heating lifting device of the solvent washing device for filtering the polymer by the sand core funnel in the scheme is provided with 1) a fixing device of the solvent washing device which is connected with a controller and has an automatic lifting function driven by a stepping motor, wherein a part which can move up and down is provided with a large-caliber upper and lower two-point fixing clamp for clamping the outer part and the middle part of a No. 50 ground of the solvent washing device; 2) a temperature-controllable heating pan connected to the controller; 3) a magnetic stirrer with adjustable rotating speed is connected with the controller and positioned at the bottom of the heating pot.

The integrated solvent washing bottle is a gourd-shaped glass product which is formed by baking and processing two round-bottom glass flasks, the lower part of the integrated solvent washing bottle is a round-bottom flask with the volume of 1 liter, the upper part of the integrated solvent washing bottle is a round flask with the volume of 500 milliliters, and the integrated solvent washing bottle and the round-bottom flask are connected through a connecting pipe. The length of a communicating pipe in the upper round-bottom flask is slightly longer than the wall height of the sand core funnel, the top of the communicating pipe is slightly uneven, the upper round-bottom flask is connected with a No. 50 ground port, and a No. 50 ground plug condenser can be inserted.

The utility model has the advantages that: the device comprises a lifting structure, an integrated solvent washing bottle and a heating structure; lifting structure adopts step motor drive spiral lifter, and the spiral lifter drives integral type solvent washing bottle through the lift fixation clamp and goes up and down, and this washing bottle is the calabash shape glassware that is fired and processed into by two round bottom glass flasks. A heating pot and a magnetic stirrer are arranged below the washing bottle. The device can rapidly wash the G3 or G4 funnel filtered by the polymer, the solvent is recycled, and the solvent volatilization and the damage to operators caused by the solvent exposed to the air are avoided. The washed funnel is washed by water and dried to achieve the purpose of repeated use. The device has simple structure and easy operation.

Drawings

FIG. 1 is a block diagram of a solvent washing apparatus for polymer in a sand core funnel.

In the figure: 1. the device comprises a round-bottom flask, 1a, a magneton, 2, a wide-mouth flask, 3, a connecting pipe, 4, a sand core funnel, 4a, a sand core filter disc, 5, a condenser pipe, 6, a stepping motor, 7, a spiral lifting rod, 8, a lifting fixing clamp, 8a, a wide-mouth flask fixing clamp, 8b, a round-bottom flask fixing clamp, 9, a heating pot, 10, a magnetic stirrer, 11 and a controller.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

fig. 1 shows a solvent washing apparatus for polymer in sand core funnel, the apparatus includes a controller 11, the apparatus includes a lifting structure, an integrated solvent washing bottle and a heating structure, the lifting structure uses a stepping motor 6 to drive a spiral lifting rod 7; the integrated solvent washing bottle adopts a wide-mouth flask 2, an opening connecting pipe 3 is arranged in the wide-mouth flask 2, and the connecting pipe 3 penetrates out of the lower end of the wide-mouth flask 2 to be connected with a round-bottom flask 1; the sand core funnel 4 is arranged on the connecting pipe 3 in a reverse buckling mode, and the sand core filter disc 4a is in contact with the top of the connecting pipe 3; the mouth of the wide-mouth flask 2 is connected with a condenser 5; the sand core funnel 4 is a G3 funnel. A50-gauge ground opening is adopted in the wide-mouth flask 2, and a 50-gauge ground plug is adopted in the condenser 5. A magneton 1a is provided in a round-bottomed flask 1. The capacity of round-bottomed flask 1 was 1000mL, and the capacity of wide-necked flask 2 was 500 mL.

The spiral lifting rod 7 is connected with the integrated solvent washing bottle through a lifting fixing clamp 8, and a wide-mouth flask fixing clamp 8a of the lifting fixing clamp 8 acts on the bottle mouth of the wide-mouth flask 2; round bottom flask clamp 8b acts on the neck of round bottom flask 1. The heating structure is arranged below the round-bottom flask 1 and comprises a heating pot 9 and a magnetic stirrer 10; the heating medium in the heating pan 9 is water. The controller 11 is electrically connected with the stepping motor 6, the heating pot 9 and the magnetic stirrer 10. The height of the connecting pipe 3 in the wide-mouth flask 2 is greater than the wall height of the sand core funnel 4; the top of the connecting tube 3 is not flat.

When the technical scheme is adopted for working:

a. the condenser 5 is taken down, 500ml of solvent such as methanol, ethanol, tetrahydrofuran or other solvent capable of dissolving polymers is added into the 1L round-bottom flask 1 through the inner connecting pipe, the magneton 1a is added, the fine pipe of the sand core funnel 4 is held by tweezers, the fine pipe is buckled on the connecting pipe 3 with the large opening facing downwards, and the condenser 5 is connected. The whole set of washing device is stably fixed on the lifting device by a lifting fixing clamp 8.

b. Circulating cooling water is introduced into the condenser 5. The heating pan 9 is filled with water. The whole set of washing device is adjusted up and down by the stepping motor 6, so that the solvent in the lower round-bottom flask 1 is completely immersed in the heating medium.

c. The magnetic stirrer 10 is turned on, the rotation speed is adjusted, and the solvent in the washing device is boiled by heating.

d. Along with the heating, the solvent steam rises along the middle connecting pipe 3 and enters the wide-mouth flask 2 through the gap between the connecting pipe 3 and the sand core funnel, and the solvent steam washing process is carried out.

e. The rising solvent vapor is condensed by the condenser and accumulated in the wide-mouth flask 2 as the heating is continued, and when the solvent level exceeds the sand core of the sand core funnel 4, the rising button of the controller 11 is pressed to separate the solvent washing bottle from the heating medium.

f. As the round-bottom flask 1 of the solvent washing bottle is separated from the heating medium and is cooled in the air, the solvent in the wide-mouth flask 2 returns to the round-bottom flask 1 along the gap between the sand cores of the two bottles of connecting pipes 3 and the sand core funnel 4 under the siphoning action, and the liquid washing of the sand core funnel is completed. At the same time, the solvent entering the sand core funnel from the narrow tube at the upper part of the inverted sand core funnel 4 is also sucked into the solvent bottle through the sand core filter sheet 4a, and the washing of the inner sand core filter sheet 4a is completed.

g. If the core funnel contains too much polymer, steps b-f can be repeated and the core funnel washed once more.

h. And (4) taking down the condenser, lifting the washed sand core funnel 4 by using tweezers, and replacing a new sand core funnel needing to be washed to perform a new washing process.

i. And (4) washing the washed sand core funnel 4 with deionized water, drying in a 105-degree oven for more than 2 hours, cooling and placing in a dryer for later use.

Claims

1. A solvent washing apparatus for a polymer in a sand core funnel, the apparatus comprising a controller (11), characterized by: the device comprises a lifting structure, an integrated solvent washing bottle and a heating structure, wherein the lifting structure adopts a stepping motor (6) to drive a spiral lifting rod (7);

the integrated solvent washing bottle adopts a wide-mouth flask (2) and is internally provided with an opening connecting pipe (3), and the connecting pipe (3) penetrates out of the lower end of the wide-mouth flask (2) and is connected with a round-bottom flask (1); the sand core funnel (4) is arranged on the connecting pipe (3) in a reverse buckling manner, and the sand core filter disc (4 a) is contacted with the top of the connecting pipe (3); the bottle mouth of the wide-mouth flask (2) is connected with a condenser (5);

the spiral lifting rod (7) is connected with the integrated solvent washing bottle through a lifting fixing clamp (8), and a wide-mouth flask fixing clamp (8 a) of the lifting fixing clamp (8) acts on the bottle mouth of the wide-mouth flask (2); a round-bottom flask fixing clamp (8 b) acts on the bottleneck of the round-bottom flask (1);

the heating structure is arranged below the round-bottom flask (1), and comprises a heating pot (9) and a magnetic stirrer (10);

the controller (11) is electrically connected with the stepping motor (6), the heating pot (9) and the magnetic stirrer (10).

2. A solvent washing apparatus for polymers in sand core funnels as claimed in claim 1 wherein: the height of the connecting pipe (3) in the wide-mouth flask (2) is greater than the wall height of the sand core funnel (4); the top of the connecting pipe (3) is uneven.

3. A solvent washing apparatus for polymers in sand core funnels as claimed in claim 1 wherein: the heating medium in the heating pot (9) is selected from water, glycol or glycerol.

4. A solvent washing apparatus for polymers in sand core funnels as claimed in claim 1 wherein: the sand core funnel (4) is a G3 funnel or a G4 funnel.

5. A solvent washing apparatus for polymers in sand core funnels as claimed in claim 1 wherein: the wide-mouth flask (2) adopts a No. 50 ground mouth, and the condenser (5) adopts a No. 50 ground plug.

6. A solvent washing apparatus for polymers in sand core funnels as claimed in claim 1 wherein: a magneton (1 a) is arranged in the round-bottom flask (1).

7. A solvent washing apparatus for polymers in sand core funnels as claimed in claim 1 wherein: the capacity of the round-bottom flask (1) was 1000mL, and the capacity of the wide-mouth flask (2) was 500 mL.