CN217120320U

CN217120320U - Vapor-liquid balance kettle with vacuum jacket

Info

Publication number: CN217120320U
Application number: CN202122942160.6U
Authority: CN
Inventors: 杨宁宁; 贾倩影; 苏浩然; 陈俭春; 赵丽静; 艾建康; 杨锐; 侯扬飞; 张秀涛
Original assignee: Henan Labpark Chemical Equipment Manufacturing Co ltd
Current assignee: Henan Labpark Chemical Equipment Manufacturing Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-08-05
Anticipated expiration: 2031-11-29

Abstract

The utility model provides a vacuum jacket vapour-liquid balance cauldron, including the balance chamber, the outside of balance chamber sets up the vacuum jacket, set up the heat preservation between the lateral wall of balance chamber and the vacuum jacket, the lower extreme of balance chamber is provided with and is used for the heating sleeve pipe for the heat supply of balance chamber, heating sleeve pipe's internal surface is provided with the dull polish layer, the balance chamber is connected with the extrinsic cycle pipe, the bottom of extrinsic cycle pipe's bottom intercommunication balance chamber, the top of extrinsic cycle pipe is through the top of one section pipe chute intercommunication balance chamber, extrinsic cycle pipe forms the reservoir with the pipe chute junction, reservoir department sets up the vapor phase sample connection, the top of reservoir sets up the condenser pipe. The vacuum jacket vapor-liquid equilibrium kettle has the advantages of small heat loss, high testing efficiency, anti-bumping and good temperature equilibrium.

Description

Vapor-liquid balance kettle with vacuum jacket

Technical Field

The utility model relates to a chemical industry principle experiment teaching field, specific theory has related to a vacuum jacket vapour-liquid balance cauldron.

Background

At present, the structure of a balance kettle adopted by a common vapor-liquid balance data measuring device has various problems.

When the single-pole double-circulation vapor-liquid equilibrium kettle disclosed in the novel patent CN 208320028U is used for measuring liquid-liquid equilibrium data, a distillation kettle is additionally arranged to be connected to the bottom of a vapor phase riser, and when the vapor-liquid equilibrium data is measured, vapor leakage at an interface can be caused and the installation and fixation are very inconvenient; and the vapor phase riser does not have the heat preservation measure, can cause a part of heat loss of the vapor phase riser section, will increase heating power and compensate heat loss, reduce test efficiency.

"a double-deck jar of body formula vapour-liquid equilibrium reation kettle" that utility model CN 213669313U disclosed true and false, though set up the collection steam pipe section, in the condensate inner loop that produces in the collection steam pipe to the cauldron in, can not form cauldron top vapour phase condensate extrinsic cycle, the temperature of full cauldron is not balanced, can influence the composition of vapour-liquid phase, and the difference in temperature of temperature measurement mouth can influence the accuracy to the experiment test, and overall dimension is too big, and the practicality is not strong.

Therefore, the structure of the vapor-liquid equilibrium kettle needs to be optimized and improved, so that the practicability and the detection accuracy are improved.

In order to solve the above problems, people are always seeking an ideal technical solution.

Disclosure of Invention

The utility model aims at the not enough of prior art to a vacuum jacket vapour-liquid balance cauldron that calorific loss is little, efficiency of software testing is high, prevent to explode to boil, the temperature equilibrium is good is provided.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a vapor-liquid equilibrium kettle with a vacuum jacket comprises an equilibrium chamber, wherein the outside of the equilibrium chamber is provided with the vacuum jacket; and a heat-insulating layer is arranged between the outer side wall of the balance chamber and the vacuum jacket.

Basically, the lower extreme of balance room is provided with the heating jacket who is used for the heat supply of balance room, the inside surface of heating jacket is provided with the dull polish layer.

Basically, the balance chamber is connected with an external circulation pipe, the bottom of the external circulation pipe is communicated with the bottom of the balance chamber, the top end of the external circulation pipe is communicated with the top end of the balance chamber through a section of inclined pipe, a liquid storage tank is formed at the joint of the external circulation pipe and the inclined pipe, a vapor phase sampling port is arranged at the position of the liquid storage tank, and a condensation pipe is arranged above the liquid storage tank.

Basically, a buffer chamber is arranged on the external circulation pipe below the liquid storage tank.

Basically, set up the temperature sleeve pipe in the balance chamber, the top of temperature sleeve pipe stretches out the balance chamber and sets up.

Basically, the middle part of the balance chamber is provided with a liquid phase sampling port, and the bottom of the balance chamber is provided with the liquid discharging port.

Basically, the outer end of the inclined tube is lower than one end connected with the balance chamber.

Basically, the liquid phase sample connection is the ascending sample connection in outer end slant, the vapour phase sample connection is the ascending sample connection in outer end slant.

The utility model discloses relative prior art has substantive characteristics and progress, specific theory, the utility model discloses set up the vacuum jacket in the outside of balance room, avoided calorific loss, improved the efficiency of test, for further promoting the effect, can also increase the heat preservation.

Furthermore, the inner surface of the heating sleeve is provided with a frosting layer, so that the explosive boiling can be prevented, and the explosive boiling sand stone is not required to be additionally added, so that the experiment is more convenient.

Furthermore, the existence of the external circulation pipe enables the vapor-liquid condensate to enter the balance chamber through the bottom, so that the temperature in the balance chamber is more balanced, the influence of the temperature on the composition of the vapor and the liquid is reduced, and the accuracy of experimental test is improved.

Furthermore, the size of the vacuum jacket vapor-liquid balance kettle is not large, the liquid adding amount can be correspondingly reduced, and the experimental research is convenient.

Drawings

Fig. 1 is a schematic structural view of a vapor-liquid equilibrium kettle with a vacuum jacket according to the present invention.

In the figure: 1. heating the sleeve; 2. a tapping port; 3. a liquid phase sampling port; 4. a vapor phase sampling port; 5. a vacuum jacket; 6. a heat-insulating layer; 7. a buffer chamber; 8. an external circulation pipe; 9. a condenser tube; 10. a temperature jacket; 11. a balancing chamber; 12. and a reservoir.

Detailed Description

The technical solution of the present invention is further described in detail through the following embodiments.

As shown in figure 1, the vapor-liquid equilibrium kettle with the vacuum jacket comprises a heating sleeve 1, a liquid discharging port 2, a liquid phase sampling port 3, a vapor phase sampling port 4, a vacuum jacket 5, a heat insulation layer 6, a buffer chamber 7, an external circulation pipe 8, a condensation pipe 9, a temperature sleeve 10, an equilibrium chamber 11 and a liquid storage tank 12.

Wherein, set up heat preservation 6 and vacuum jacket 5 in the outside of balance chamber 11, can avoid calorific loss, improve efficiency of software testing.

Heating sleeve 1 is located the lower extreme of balance room 11 for 11 heats in balance room, heating sleeve 1's inside surface is provided with the dull polish layer, can prevent to explode and boil, does not need to increase in addition and explodes the grit that boils, and it is more convenient to experiment.

Set up temperature sleeve 10 in the balance chamber, the top of temperature sleeve 10 stretches out balance chamber 11 and sets up, the middle part of balance chamber 11 sets up liquid phase sample connection 3, liquid phase sample connection 3 is the ascending sample connection in outer end slant, the bottom of balance chamber 11 sets up tap hole 2.

The bottom of the bottom intercommunication balance chamber 11 of extrinsic cycle pipe 8, the top of extrinsic cycle pipe 8 is through the top of one section pipe chute intercommunication balance chamber, the outer end of pipe chute is less than the one end of connecting balance chamber 11, the extrinsic cycle pipe 8 forms with the pipe chute junction the reservoir 12, reservoir 12 department sets up the vapour phase sample connection, the vapour phase sample connection is the ascending sample connection in outer end slant, the top of reservoir 12 sets up condenser pipe 9, be provided with buffer chamber 7 on the extrinsic cycle pipe 8 of reservoir 12 below.

The existence of the external circulation pipe 8 can lead the vapor-liquid condensate water to enter the balance chamber from the bottom, the temperature in the balance chamber is more balanced, the influence of the temperature on the composition of the vapor phase and the liquid phase is reduced, and the accuracy of the experimental test is improved.

The working process is as follows:

during operation, a condenser is installed at the upper end of the condensation pipe 9, condensed water is communicated, the condenser is condensed, liquid A with a certain liquid amount is added into the balance chamber 11 through the liquid-phase sampling port 3, electric heating in the heating sleeve 1 is started, the liquid in the balance chamber 11 can be boiled as a standard, stable reflux is carried out for about 20 minutes to reach a balance state, the temperature in the balance chamber in the balance state is recorded, and sampling, testing and analysis are respectively carried out from the vapor-phase sampling port 4 and the liquid-phase sampling port 3;

adding a certain amount of liquid B through the liquid phase sampling port 3 to change the system concentration of the balance chamber 11, and after the system is stable, taking a vapor-liquid phase sample for analysis;

and a complete vapor-liquid equilibrium curve can not be made until the concentration of the liquid B in the equilibrium chamber reaches a certain value.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. The utility model provides a vacuum jacket vapour-liquid equilibrium cauldron which comprises the equilibrium chamber, its characterized in that: the outer side of the balance chamber is provided with a vacuum jacket, a heat insulation layer is arranged between the outer side wall of the balance chamber and the vacuum jacket, the lower end of the balance chamber is provided with a heating sleeve for supplying heat to the balance chamber, and the inner surface of the heating sleeve is provided with a frosting layer.

2. The vacuum jacket vapor-liquid equilibrium kettle according to claim 1, characterized in that: the balance chamber is connected with an external circulation pipe, the bottom of the external circulation pipe is communicated with the bottom of the balance chamber, the top end of the external circulation pipe is communicated with the top end of the balance chamber through a section of inclined pipe, a liquid storage tank is formed at the joint of the external circulation pipe and the inclined pipe, a vapor phase sampling port is arranged at the position of the liquid storage tank, and a condensation pipe is arranged above the liquid storage tank.

3. The vacuum jacket vapor-liquid equilibrium kettle according to claim 2, characterized in that: and a buffer chamber is arranged on the external circulation pipe below the liquid storage tank.

4. The vacuum jacket vapor-liquid equilibrium kettle according to claim 3, characterized in that: the balance chamber is internally provided with a temperature sleeve, and the top end of the temperature sleeve extends out of the balance chamber.

5. The vacuum jacket vapor-liquid equilibrium kettle according to claim 4, characterized in that: the middle part of the balance chamber is provided with a liquid phase sampling port, and the bottom of the balance chamber is provided with a liquid discharging port.

6. The vacuum jacket vapor-liquid equilibrium kettle according to claim 5, characterized in that: the outer end of the inclined tube is lower than one end connected with the balance chamber.

7. The vacuum jacket vapor-liquid equilibrium kettle according to claim 6, characterized in that: the liquid phase sampling port is a sampling port with an outer end inclined upwards.

8. The vacuum jacketed vapor-liquid equilibrium kettle of claim 7, characterized in that: the vapor phase sampling port is a sampling port with an outer end inclined upwards.