CN218968850U

CN218968850U - Trace constant-speed dropping funnel

Info

Publication number: CN218968850U
Application number: CN202223195307.0U
Authority: CN
Inventors: 任敬之; 王阳; 权博雅; 邹春梅; 刘兴乔; 张恒凤; 卫增峰; 权衡
Original assignee: Hubei Daya Biological Technology Co ltd; Hebei Normal University; Wuhan Textile University
Current assignee: Hubei Daya Biological Technology Co ltd; Hebei Normal University; Wuhan Textile University
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-05-05
Anticipated expiration: 2032-11-25

Abstract

The utility model relates to the technical field of chemical engineering experiment instruments, in particular to a trace constant-speed dropping funnel, which comprises a dropping funnel body and a first constant-pressure pipe, wherein a piston is arranged in the middle of the dropping funnel body, the dropping funnel body is divided into an upper part and a lower part by the piston, the first constant-pressure pipe is communicated with the upper part and the lower part of the dropping funnel, a grinding interface is arranged at the lower part of the dropping funnel, a dropping nozzle is arranged in the grinding interface, the dropping nozzle is communicated with the upper part of the dropping funnel, a liquid bin is arranged between the upper part of the dropping funnel and the piston, one side of the liquid bin is communicated with the first constant-pressure pipe through a second constant-pressure pipe, and a limiter is arranged in the liquid bin. In practical application, the micro constant-speed dropping funnel is applied, so that the direct influence of the gravity of the liquid on the dropping speed can be better relieved, the speed in the liquid dropping process is more constant, and the operation of a user is facilitated.

Description

Trace constant-speed dropping funnel

Technical Field

The utility model relates to the technical field of chemical engineering experiment instruments, in particular to a trace constant-speed dropping funnel.

Background

In various reactions requiring a dropping device, the use of a conventional constant pressure dropping funnel (as shown in FIG. 3) for feeding is inconvenient. Especially when the operator needs the even dropwise add material of constant speed, along with the continuous whereabouts of liquid, even guarantee that constant voltage dropping funnel's play liquid valve opening size is unchangeable, still can make the continuous slowing down of whereabouts of speed owing to the reduction of liquid self gravity. Under most application scenes, even dripping has great significance for users.

Therefore, the utility model improves the constant pressure dropping funnel as shown in fig. 3, and provides a trace constant speed dropping funnel, so that the direct influence of the gravity of the liquid on the dropping speed can be better relieved, the speed in the liquid dropping process is more constant, and the operation of a user is more facilitated.

Disclosure of Invention

The utility model provides a trace constant-speed dropping funnel, which aims to solve the problem that the dropping speed is continuously slowed down due to the reduction of the self-gravity of liquid even if the opening size of a liquid outlet valve of the existing constant-pressure dropping funnel is ensured to be unchanged in the use process, so that the direct influence of the self-gravity of the liquid on the dropping speed can be better relieved, the speed is more constant in the liquid dropping process, and the operation of a user is more facilitated.

The technical scheme of the utility model is as follows:

the utility model provides a trace constant speed dropping funnel, includes dropping funnel body and first constant voltage pipe, the centre of dropping funnel body is provided with the piston, the piston will the dropping funnel body divide into dropping funnel upper portion and dropping funnel lower part, first constant voltage pipe intercommunication dropping funnel upper portion with the dropping funnel lower part, the dropping funnel lower part is provided with the mill interface, be provided with the dropping nozzle in the mill interface, the dropping nozzle with dropping funnel upper portion intercommunication, the dropping funnel upper portion with be provided with the liquid storehouse between the piston, one side of liquid storehouse through the second constant voltage pipe with first constant voltage pipe intercommunication, the inside of liquid storehouse is provided with the stopper.

Preferably, the stopper is in the shape of a cobble.

Preferably, the stop is made of a buoyant material.

Preferably, the buoyant material comprises buoyant spheres, buoyant cylinders, foam plastic, foam glass, wood, and a hydrocarbon-accumulating material.

Preferably, the piston is provided with a through hole.

Preferably, the outlet end of the lower part of the dropping funnel is conical.

Preferably, the included angle between the second constant pressure pipe and the first constant pressure pipe is 25-50 degrees.

Preferably, an included angle between the second constant pressure pipe and the first constant pressure pipe is 45 degrees.

Preferably, the liquid bin is spherical.

Preferably, the upper part of the dropping funnel is provided with a liquid inlet.

According to the technical scheme, based on the trace constant-speed dropping funnel, through adding the liquid bin capable of dynamically keeping the lower liquid level height in a certain range on the basis of the original constant-pressure dropping funnel, the direct influence of the gravity of the liquid on the dropping speed can be better relieved, the speed in the liquid dropping process is more constant, and the operation of a user is facilitated.

Drawings

FIG. 1 is a schematic diagram of a micro constant speed dropping funnel;

FIG. 2 is a diagram showing a specific application example of the micro constant speed dropping funnel;

fig. 3 is a schematic structural view of a constant pressure dropping funnel in the prior art.

Description of the reference numerals

A dropping funnel body 1; a first constant pressure pipe 2; a second constant pressure pipe 3; a dropping funnel upper part 4;

a liquid bin 5; a limiter 6; a piston 7; a dropping funnel lower part 8; and (3) grinding the interface 9.

Detailed Description

The following describes the detailed implementation of the embodiments of the present utility model with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

In the description of the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating relative importance or implicitly indicating the number of technical features indicated. Thus, unless otherwise indicated, features defining "first", "second" may include one or more such features either explicitly or implicitly; the meaning of "plurality" is two or more. The term "comprises," "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, a possible presence or addition of one or more other features, elements, components, and/or combinations thereof.

Furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

The utility model provides a trace constant-speed dropping funnel, which comprises a dropping funnel body 1 and a first constant-pressure pipe 2, wherein a piston 7 is arranged in the middle of the dropping funnel body 1, the dropping funnel body 1 is divided into an upper dropping funnel part 4 and a lower dropping funnel part 8 by the piston 7, the first constant-pressure pipe 2 is communicated with the upper dropping funnel part 4 and the lower dropping funnel part 8, a grinding interface 9 is arranged on the lower dropping funnel part 8, a dropping nozzle is arranged in the grinding interface 9, the dropping nozzle is communicated with the upper dropping funnel part 4, a liquid bin 5 is arranged between the upper dropping funnel part 4 and the piston 7, one side of the liquid bin 5 is communicated with the first constant-pressure pipe 2 through a second constant-pressure pipe 3, and a limiter 6 is arranged in the liquid bin 5.

In the embodiment of the present utility model, the limiter 6 is made of a buoyancy material, so that the limiter 6 can be lifted along with the lifting of the liquid, and the liquid level of the liquid bin 5 becomes a dynamic liquid level which changes within a certain height range, so that the gravity action of the liquid in the liquid bin 5 is maintained within a certain range, and the liquid can drop approximately uniformly. In a specific embodiment, the stopper 6 is made of a buoyancy material, more specifically, the buoyancy material includes a buoyancy ball, a buoyancy cylinder, a foam plastic, foam glass, wood, and a hydrocarbon-accumulating material, so that the stopper 6 can be lifted and lowered with the lifting and lowering of the liquid. Preferably, as shown in fig. 1, the limiter 6 is in a cobble shape, so that the limiter 6 can be lifted and lowered along with the lifting of the liquid better, and further the upper pipe orifice of the liquid bin 5 is dynamically blocked.

In the embodiment of the present utility model, the piston 7 is provided with a through hole, so that when in use, the size of the communication area between the through hole and the liquid bin 5 can be controlled by rotating the piston 7, and the flow rate of the liquid can be controlled.

In the embodiment of the utility model, the outlet end of the lower part 8 of the dropping funnel is conical, so that the micro constant-speed dropping funnel can be better matched with other various devices.

In the embodiment of the present utility model, the included angle between the second constant pressure pipe 3 and the first constant pressure pipe 2 is 25-50 °. Most preferably, the angle between the second constant pressure pipe 3 and the first constant pressure pipe 2 is 45 °. In a preferred embodiment, one end of the second constant pressure pipe 3 is connected with the top of the liquid bin 5, and the other end is connected with the first constant pressure pipe 2 at an angle of 45 degrees, so as to prevent the liquid entering the liquid bin 5 from directly flowing out through the second constant pressure pipe 3 and being communicated with the external environment through the second constant pressure pipe 3, so that the pressure of the liquid level is more stable, and the dropping speed is more stable.

In the embodiment of the present utility model, the liquid bin 5 is spherical. Preferably, the liquid bin 5 may have other various shapes, and the stability of the dripping speed is not affected.

In the embodiment of the utility model, the upper part 4 of the dropping funnel is provided with the liquid inlet, so that liquid is conveniently fed and is communicated with the external environment, and the liquid level pressure is kept stable.

In the utility model, the working principle and the using flow of the micro constant-speed dropping funnel are as follows: the piston 7 is screwed to a certain opening degree, so that the liquid in the liquid bin 5 slowly flows downwards, and the limiter 6 can descend along with the liquid level. At this time, the orifice at the upper part of the liquid bin 5 will leave a gap again, the liquid will flow into the liquid bin 5 from the upper part 4 of the dropping funnel, and the liquid level raised again will jack up the limiter 6 again to block the orifice at the upper part of the liquid bin 5, so that the liquid level of the liquid bin 5 becomes a dynamic liquid level which changes within a certain height range, and the gravity action of the liquid in the liquid bin 5 is maintained within a certain range, so that the liquid can drop approximately uniformly.

In the present utility model, it is specifically described that: the micro constant-speed dropping funnel is limited to the application of slow dropping, and if the dropping speed is too high, the liquid can fill the liquid bin 5, so that the liquid overflows from the second constant-pressure pipe 3. Meanwhile, the micro constant-speed dropping funnel needs to be slowly injected when liquid is added, and too fast addition can cause the liquid to fill the liquid bin 5 and overflow in the second constant-pressure pipe 3.

The present utility model will be described in detail by way of examples, but the scope of the present utility model is not limited thereto.

Example 1

As shown in fig. 1-2, the micro constant speed dropping funnel according to the present utility model comprises a dropping funnel body 1 and a first constant pressure tube 2, wherein a piston 7 is disposed in the middle of the dropping funnel body 1, the piston 7 divides the dropping funnel body 1 into an upper dropping funnel portion 4 and a lower dropping funnel portion 8, the first constant pressure tube 2 is communicated with the upper dropping funnel portion 4 and the lower dropping funnel portion 8, the lower dropping funnel portion 8 is provided with a grinding port 9, a dropping nozzle is disposed in the grinding port 9, and the dropping nozzle is communicated with the upper dropping funnel portion 4, and the micro constant speed dropping funnel is characterized in that a liquid bin 5 is disposed between the upper dropping funnel portion 4 and the piston 7, one side of the liquid bin 5 is communicated with the first constant pressure tube 2 through a second constant pressure tube 3, and a limiter 6 is disposed in the liquid bin 5.

Specifically, the stopper 6 is cobblestone shape, the stopper 6 is made by foamed plastic, be provided with the through-hole on the piston 7, the exit end of dropping funnel lower part 8 is the toper, the second constant voltage pipe 3 with contained angle between the first constant voltage pipe 2 is 45, liquid storehouse 5 is spherical, be provided with the inlet on the dropping funnel upper portion 4.

In the practical application process, the micro constant-speed dropping funnel is firstly arranged on the reaction device shown in fig. 2, and then the piston 7 is twisted to a certain opening degree, so that the liquid in the liquid bin 5 slowly flows downwards, and the limiter 6 can descend along with the liquid level. At this time, the orifice at the upper part of the liquid bin 5 will leave a gap again, the liquid will flow into the liquid bin 5 from the upper part 4 of the dropping funnel, and the liquid level raised again will jack up the limiter 6 again to block the orifice at the upper part of the liquid bin 5, so that the liquid level of the liquid bin 5 becomes a dynamic liquid level which changes within a certain height range, and the gravity action of the liquid in the liquid bin 5 is maintained within a certain range, so that the liquid can drop approximately uniformly.

Through detection, compared with the constant-pressure dropping funnel shown in fig. 3, the micro constant-speed dropping funnel provided by the utility model has more constant speed in the dropping process, and is more beneficial to the operation of a user.

According to the trace constant-speed dropping funnel provided by the utility model, the liquid bin capable of dynamically keeping the liquid level height of the lower layer in a certain range is added on the basis of the original constant-pressure dropping funnel, so that the direct influence of the gravity of liquid on the dropping speed can be better relieved, the speed in the liquid dropping process is more constant, and the operation of a user is facilitated.

The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited thereto. Within the scope of the technical idea of the utility model, a plurality of simple variants can be made to the technical proposal of the utility model, and in order to avoid unnecessary repetition, the utility model does not need to be additionally described for various possible combinations. Such simple variations and combinations are likewise to be regarded as being within the scope of the present disclosure.

Claims

1. The utility model provides a trace constant speed dropping funnel, includes dropping funnel body (1) and first constant voltage pipe (2), the centre of dropping funnel body (1) is provided with piston (7), piston (7) will dropping funnel body (1) divide into dropping funnel upper portion (4) and dropping funnel lower part (8), first constant voltage pipe (2) intercommunication dropping funnel upper portion (4) with dropping funnel lower part (8), dropping funnel lower part (8) are provided with grinds interface (9), be provided with the drip nozzle in grinds interface (9), the drip nozzle with be provided with liquid storehouse (5) between dropping funnel upper portion (4) and piston (7), one side of liquid storehouse (5) through second constant voltage pipe (3) with first constant voltage pipe (2) intercommunication, the inside of liquid storehouse (5) is provided with stopper (6).

2. The micro constant velocity dropping funnel according to claim 1, wherein the stopper (6) is in the shape of a cobble.

3. A micro constant velocity dropping funnel as claimed in claim 1, wherein the stopper (6) is made of a buoyancy material.

4. A micro constant velocity dropping funnel as claimed in claim 3, wherein the buoyancy material comprises buoyancy balls, buoyancy cylinders, foam plastic, foam glass, wood and a hydrocarbon-accumulating material.

5. The micro constant speed dropping funnel as claimed in claim 1, wherein the piston (7) is provided with a through hole.

6. A micro constant velocity dropping funnel as claimed in claim 1, wherein the outlet end of the lower part (8) of the dropping funnel is tapered.

7. The micro constant-speed dropping funnel according to claim 1, wherein the angle between the second constant-pressure tube (3) and the first constant-pressure tube (2) is 25-50 °.

8. The micro constant velocity dropping funnel according to claim 7, wherein the angle between the second constant pressure tube (3) and the first constant pressure tube (2) is 45 °.

9. The micro constant velocity dropping funnel according to claim 1, wherein the liquid bin (5) is spherical.

10. The micro constant speed dropping funnel as claimed in claim 1, wherein the dropping funnel upper part (4) is provided with a liquid inlet.