CN217774174U

CN217774174U - Simple anti-back suction bubbler

Info

Publication number: CN217774174U
Application number: CN202221819604.5U
Authority: CN
Inventors: 蔡定龙; 方宁静; 李刚
Original assignee: Wuxi Beita Pharmatech Co ltd
Current assignee: Wuxi Beita Pharmatech Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-11-11
Anticipated expiration: 2032-07-14

Abstract

The utility model discloses a simple and easy suck-back prevention bubbler, include: for the liquid reservoir tube and the inner tube; the bottom of the liquid storage pipe is closed, the top of the liquid storage pipe is provided with an opening, and the upper part of the side wall of the liquid storage pipe is provided with an air outlet; the inner tube is followed the open-top of liquid reserve tube wears to locate in the liquid reserve tube, inner tube upper portion is the air inlet, and the bottom is the tympanic bulla mouth, and inside is equipped with the barb battle array that a plurality of orientation tympanic bulla mouthful barb formed. The bubbler has a simple structure, can effectively observe the flowing size and direction of gas, and simultaneously prevents the gas from bringing liquid drops into the gas guide tube.

Description

Simple anti-back suction bubbler

Technical Field

The utility model belongs to the technical field of chemistry experiment laboratory paraphernalia, concretely relates to simple and easy suck-back prevention bubbler.

Background

In chemical laboratories and production plants, gases are often treated, and the size and direction of the gas flow often need to be determined in the process. Some simple bubblers at present directly adopt a gas pipe to extend into the liquid level to bubble, or adopt a mode of enlarging a gas pipe to bubble.

The use of the above bubbler has the following disadvantages:

some bubblers have larger volume and are not suitable for judging the size and the direction of a small amount of or a small amount of airflow; some bubblers are complex and difficult to use and process; some air flow devices do not have the function of preventing back suction when unstable air flow occurs, namely, the liquid is brought into the air guide pipe by sudden change of the air flow direction.

Chinese patent application publication No. CN 106975422A discloses a suck-back prevention pressure-adjustable bubbler, comprising: the cylinder, fix the standpipe of giving vent to anger at the cylinder middle part, the receiving flask that links to each other with the cylinder lower part is sealed, the bulging sleeve pipe of constituteing by upper and lower two isolated cavities, upper portion cavity built-in spring, lower part cavity cover are established on the standpipe of giving vent to anger, with the pressure regulating rod of spring butt, this pressure regulating rod passes the spiral cover that sets up at the cylinder top. The bubbler can effectively prevent the back suction of air, but has a complex structure, needs a plurality of components including a spring and a pressure regulating rod to realize the function of preventing the back suction, and cannot effectively observe the flowing direction of air flow.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a very simple and easy is applicable to the micro or half micro air current and judges the bubbler of air current size and air current direction down, can be to the effective observation of gas flow size and direction, also prevent simultaneously that gas from bringing the liquid drop into the air duct.

In order to solve the above problem, the technical scheme of the utility model is as follows:

a simple anti-back-suction bubbler comprising: for the liquid reservoir tube and the inner tube;

the bottom of the liquid storage pipe is closed, the top of the liquid storage pipe is provided with an opening, and the upper part of the side wall of the liquid storage pipe is provided with an air outlet;

the inner tube is followed the open-top of liquid storage tube wears to locate in the liquid storage tube, inner tube upper portion is the air inlet, and the bottom is the mouth that bubbles, and inside is equipped with the barb battle array that a plurality of orientation was formed of the barb of the mouth that bubbles.

The utility model discloses mainly through add partial barb in the inner tube, can solve the problem that the suck-back liquid drips to in the air duct under the condition that air current size and direction all change with the simplest and simplest mode. The bubbler is suitable for judging the size and the direction of the airflow under the micro or semi-micro airflow so as to effectively observe the size and the direction of the airflow when the airflow is unstable (comprising the change of the size of the airflow and the sudden change of the direction of the airflow) in the experimental process and prevent the liquid drops from being brought into the air guide tube by the air.

Preferably, the barb array is a plurality of groups which are arranged in parallel from top to bottom, and each group contains 2-4 barbs.

Preferably, two adjacent sets of barbs are arranged crosswise. When the air flow changes suddenly, i.e. in the case of suck-back, the liquid is sucked at a lower level, i.e. blocked by said barbs, due to the crossed arrangement of the barbs.

Preferably, the middle part of the inner tube is a cylindrical structure, the bottom of the inner tube is a tapered structure with gradually reduced diameter, and the bottom of the tapered structure is contracted to form the bubbling opening;

the barb is arranged in the middle of the inner tube. In this case, the diameter of the bubbling port is small, and suck-back and changes in the observed airflow can be prevented more effectively.

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

the utility model has the advantages of the device design is simple and easy, all processes very easily, and its material is transparent materials such as glass or quartz, all can judge the direction and the size of air current under the condition that air current direction and size constantly change, can not form the suck-back yet and form the pollution in introducing the air duct with liquid. The device has no dead angle and is easy to clean.

Drawings

Fig. 1 is the structural schematic diagram of the simple reverse suction prevention bubbler of the present invention, in the figure, 1: an air inlet; 2: an air outlet; 3: an inner tube; 4: a liquid storage tube; 5: a barb; 6: a bubbling port.

Detailed Description

Fig. 1 is the utility model discloses a structural schematic diagram of bubbler prevents simply inhaling backward, as shown in fig. 1, should simply prevent inhaling bubbler prevents simply, include: for the liquid reservoir tube 4 and the inner tube 3;

the bottom of the liquid storage pipe 4 is closed, the top of the liquid storage pipe is provided with an opening, and the upper part of the side wall is provided with an air outlet 2;

the inner tube 3 is followed the open-top of liquid reserve tube 4 wears to locate in the liquid reserve tube 4, inner tube upper portion is air inlet 1, and the bottom is tympanic bulla mouth 6, and the barb battle formed towards the barb 5 of tympanic bulla mouth 6 of inside a plurality of is equipped with.

As a specific implementation mode, the barb array is a plurality of groups which are arranged in parallel from top to bottom, and each group comprises 2-4 barbs 5.

As a specific embodiment, two adjacent groups of barbs 5 are arranged crosswise.

As a specific embodiment, the middle part of the inner tube 3 is a cylindrical structure, the bottom part is a tapered structure with gradually reduced diameter, and the bottom part of the tapered structure is contracted to form the bubbling opening 6;

the barb 5 is arranged in the middle of the inner tube 3.

The utility model discloses a bubbler theory of operation and working process as follows:

liquid for bubbling is filled in a liquid storage tube 4 in the bubbler, under normal conditions, air flow is accessed from an air inlet 1, the air flow is led out from an air outlet 2, the air flow normally passes through an inner tube 3, passes through a barb 5, is blown out from the liquid through a bubbling opening 6, and is led out from the air outlet 2. The inner diameter of the bubbling port 6 is small, so that the effect of stabilizing the gas flow can be achieved.

Under the condition that the direction of the air flow is not changed, no liquid exists in the inner tube 3, the air is discharged in the form of bubbles after being contacted with the liquid in the bubble opening 4, and the size of the air flow, whether the air flow is stable and the like can be judged according to the speed of the generated bubbles.

Under the condition that the direction of the air flow is suddenly changed, namely, the back suction is generated, as no liquid exists in the pipe 3 and the inner diameter of the bubbling port 6 is smaller, the liquid in the pipe 4 is upwards sprayed in a liquid column form, and if no barb 5 exists, when the back suction is serious, the liquid column is directly brought into the air inlet 1 by air so as to enter the air guide pipe. When the barbs 5 exist, the irregular barb arrays can prevent the liquid column from being directly sprayed to the air inlet 1, and the liquid level formed in the pipe 3 can prevent the liquid column from being formed along with the inflow of the liquid into the pipe 3, so that the liquid is prevented from entering the air inlet 1, and the function of suck-back is achieved. Meanwhile, when the liquid in the tube 4 flows into the tube 3, the liquid forms a liquid level in the tube 3, so that the backflow gas forms bubbles through the bubbling openings 6 and emerges from the tube 3, and the size of the gas flow and the stability of the gas flow can be judged according to the generation speed of the bubbles.

If the air flow changes again after the back suction, the liquid in the tube 3 directly flows into the tube 4 from the bubbling port, and because the direction of the liquid is downward and the residual liquid still exists in the tube 4 as the buffer, the liquid in the tube 3 cannot be sprayed out of the air outlet 2 because of the formation of a liquid column, and the bubbling effect during the forward flow is achieved.

From the above analysis, it can be seen that the bubbler can visually indicate the direction and magnitude of the gas flow when the direction and magnitude of the gas flow change, and meanwhile, the gas will not cause the liquid drop speed into the conduit at the inlet and outlet due to the change of the direction and magnitude of the gas flow, thereby polluting the pipeline and the devices connected with the pipeline.

Claims

1. The utility model provides a simple and easy suck-back prevention bubbler which is characterized in that includes: a liquid storage tube (4) and an inner tube (3);

the bottom of the liquid storage pipe (4) is closed, the top of the liquid storage pipe is provided with an opening, and the upper part of the side wall of the liquid storage pipe is provided with an air outlet (2);

inner tube (3) are followed the open-top of liquid storage tube wears to locate in the liquid storage tube, inner tube upper portion is air inlet (1), and the bottom is tympanic bulla mouth (6), and the inside barb battle array that is equipped with barb (5) formation of a plurality of orientation tympanic bulla mouth (6).

2. The simple reverse suction prevention bubbler according to claim 1 wherein the barb arrays are arranged in parallel from top to bottom in multiple sets, each set comprising 2-4 barbs (5).

3. The simple suck-back prevention bubbler according to claim 1 or claim, wherein two adjacent sets of barbs (5) are arranged crosswise.

4. The simple anti-back suction bubbler according to claim 1 or the adjacent claim, wherein the middle part of the inner tube (3) is of a cylindrical structure, the bottom of the inner tube is of a tapered structure with gradually reduced diameter, and the bottom of the tapered structure is contracted to form the bubbling port;

the barb (5) is arranged in the middle of the inner tube (3).