CN220520136U - Improved constant-pressure dropping funnel - Google Patents
Improved constant-pressure dropping funnel Download PDFInfo
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- CN220520136U CN220520136U CN202321338452.1U CN202321338452U CN220520136U CN 220520136 U CN220520136 U CN 220520136U CN 202321338452 U CN202321338452 U CN 202321338452U CN 220520136 U CN220520136 U CN 220520136U
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- dropping funnel
- funnel
- pressure dropping
- constant pressure
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- 238000006243 chemical reaction Methods 0.000 abstract description 24
- 239000011344 liquid material Substances 0.000 abstract description 17
- 239000012295 chemical reaction liquid Substances 0.000 abstract description 9
- 239000000126 substance Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 206010067484 Adverse reaction Diseases 0.000 abstract 1
- 239000000463 material Substances 0.000 description 12
- 230000009286 beneficial effect Effects 0.000 description 9
- 239000013078 crystal Substances 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 239000000109 continuous material Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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Abstract
The utility model relates to an improved constant-pressure dropping funnel, belonging to the technical field of chemical experimental instruments and constant-pressure dropping. The novel constant-pressure dropping funnel has the innovation points that scale marks are introduced and a dropping port is extended on the basis of the original constant-pressure dropping funnel technology, and an elbow is additionally arranged at the upper port of a constant-pressure pipe, so that the problem that the constant-pressure dropping funnel in the prior art cannot timely sense the addition amount due to the lack of the scale marks on the surface is effectively solved, the problem that liquid materials flow into a reaction bottle through the upper port of the constant-pressure pipe carelessly to cause reaction aggravation is effectively solved, and the problem that the liquid materials flow into the reaction liquid along the inner wall of the reaction bottle due to too short dropping port is effectively solved; the improved constant-pressure dropping funnel has the advantages of simple structure, low cost, convenience in operation, safety and reliability.
Description
Technical Field
The utility model belongs to the technical field of chemical experimental instruments and constant pressure dropping, and particularly relates to an improved constant pressure dropping funnel.
Background
In the chemical experiment, the constant pressure dropping funnel is used for the constant pressure dropping of raw materials or catalysts or acid and alkali, which is the key of the smooth operation of chemical reaction.
In the actual laboratory operation process, the constant-pressure dropping funnel also shows certain defects, 1 is that the surface of the constant-pressure dropping funnel is not provided with scale marks, and the quantity of dropping liquid materials and the allowance in the funnel cannot be estimated in real time; 2, because the charging hole of the reaction bottle is inclined, the constant-pressure dropping funnel can only be obliquely arranged on the reaction bottle, when materials need to be continuously added in the dropping process, the materials can flow into the reaction bottle through the upper hole of the constant-pressure pipe of the constant-pressure dropping funnel, the suddenly increased material quantity can easily aggravate the reaction, and even the safety problem occurs; and 3, as the dropping tube of the previous funnel is too short, the dropped material can flow into the reaction liquid along the inner wall of the reaction bottle, so that the dropping speed is not easy to observe, and the phenomenon of crystallization wall hanging is also easy to occur.
Technical improvements are necessary to address the technical drawbacks of the above points, such as: the scale marks with converted volumes are marked on the surface of the funnel, so that the amount of liquid materials in the funnel can be clear at a glance, and the funnel is very beneficial to daily experiment work.
Disclosure of Invention
The technical scheme of the utility model discloses an improved constant-pressure dropping funnel, which is characterized in that scale marks are introduced and a dropping tube is lengthened on the basis of the original constant-pressure dropping funnel technology, and an elbow is additionally arranged at the upper opening of the constant-pressure tube. The constant-pressure dropping funnel effectively solves the problem that the constant-pressure dropping funnel in the prior art cannot timely sense the addition amount and the material allowance due to the lack of scale marks on the surface, and the scale marks corresponding to the liquid materials are seen to be clear for the materials in the funnel at a glance; the problem of aggravation of reaction caused by the fact that liquid materials flow into the reaction bottle through the upper opening of the constant pressure pipe carelessly is effectively solved, and the problem of experimental safety is avoided; the problem that liquid materials flow into the reaction liquid along the inner wall of the reaction bottle due to the fact that the original liquid dropping pipe is too short is effectively solved, and the phenomenon that crystals are hung on the wall due to the fact that crystals are reduced or avoided; the improved constant-pressure dropping funnel has the advantages of simple structure, low cost, convenience in operation, safety and reliability.
The utility model provides an improved constant pressure dropping funnel, which comprises: the funnel is characterized in that the scale marks are marked on the surface of the funnel body, the lengthened drip tube is arranged at the lower part of the funnel body close to the cock, and the upper opening of the constant pressure tube is connected with the elbow.
Preferably, the improved constant pressure dropping funnel according to the technical scheme of the present utility model is characterized in that the lowest end of the scale mark is set to be a 0 scale, and the corresponding volume of the constant pressure dropping funnel corresponds to each scale mark from the 0 scale mark. The purpose of design is to be clear to the liquid material surplus in the funnel at a glance, and when the material in the funnel needs to drop in many times, the volume of dropping at every time also is very easy to control.
Preferably, the improved constant pressure dropping funnel according to the technical scheme of the utility model is characterized in that the elbow connected with the upper opening of the constant pressure pipe is 90 DEG with the upper opening of the constant pressure pipe
And extends downwards by 3-5 mm. The purpose of design like this is to prevent liquid material from flowing into the reaction bottle from the constant voltage pipe upper port when adding the material, and then can avoid the aggravation of reaction and the emergence of safety problem. Preferably, the improved constant pressure dropping funnel according to the technical scheme of the utility model is characterized in that the lengthened dropping tube extends out of the bottom of the funnel by 5-10 mm. The purpose of this design is to prevent liquid material from flowing into the reaction liquid along the inner wall of the reaction bottle, reduce or avoid crystallization, thereby hanging up at the feed inlet, and simultaneously lengthen the drip tube, thereby being beneficial to the observation of the drip condition. The improved constant-pressure dropping funnel provided by the technical scheme of the utility model has the obvious beneficial effects that: 1, the scale marks on the surface of the constant-pressure dropping funnel can clearly sense the residual quantity and the addition quantity of liquid materials in the funnel, which is beneficial to the accurate control of the reaction; 2, the elbow is additionally arranged at the upper opening of the constant pressure pipe, so that the material can be effectively prevented from flowing into the reaction liquid from the upper opening of the constant pressure pipe due to the inclination of a funnel or careless operation during continuous material adding, and the safety problem caused by aggravation of the reaction can be further avoided; 3, the application of the lengthened dropping liquid pipe is beneficial to the observation of the dropping state, and meanwhile, the liquid material can be effectively prevented from flowing into the reaction liquid along the inner wall of the reaction bottle, so that the adverse phenomenon that crystals are hung on the wall of the feeding hole can be avoided; the device also has the advantages of simple structure, low cost, convenient operation, safety and reliability.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic plan view of an improved constant pressure dropping funnel according to an embodiment of the present utility model.
In fig. 1: funnel main body 01, constant pressure pipe 02, cock 03, elbow 04, lengthened drip tube 05 and scale mark 06.
Fig. 2 is a schematic plan view of a constant pressure dropping funnel according to the prior art.
In fig. 2: funnel main body 01, constant pressure pipe 02, cock 03, constant pressure pipe upper port 04, and drip pipe 05.
Fig. 3 is a schematic diagram of an application example of an improved constant pressure dropping funnel according to the technical scheme of the utility model.
In fig. 3: constant pressure dropping funnel 01, reaction bottle 07.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the following description of the embodiments of the present utility model will be further described with reference to fig. 1, 2 and 3.
An improved constant pressure dropping funnel according to the embodiment of the present utility model includes: funnel main body 01, constant pressure pipe 02, cock 03, elbow 04, lengthened drip tube 05 and scale mark 06.
The embodiment of the improved constant-pressure dropping funnel is characterized in that scale marks 06 are marked on the surface of a funnel main body 01, an lengthened dropping tube 05 is arranged on the lower portion of the funnel main body, which is close to a cock 03, and an upper opening of the constant-pressure tube is connected with an elbow 04.
Further, the embodiment of the present utility model provides an improved constant pressure dropping funnel, which is characterized in that the lowest end of the scale mark is set to be a 0 scale, and the corresponding volume of the constant pressure dropping funnel corresponds to each scale mark from the 0 scale mark. The purpose of design is to be clear to the liquid material surplus in the funnel at a glance, and when the material in the funnel needs to drop in many times, the volume of dropping at every time also is very easy to control.
Further, the embodiment of the improved constant pressure dropping funnel is characterized in that the elbow connected with the upper opening of the constant pressure pipe forms an angle of 90 degrees with the upper opening of the constant pressure pipe and extends downwards for 3-5 mm. The purpose of design like this is to prevent liquid material from flowing into the reaction bottle from the constant voltage pipe upper port when adding the material, and then can avoid the aggravation of reaction and the emergence of safety problem.
Further, the improved constant pressure dropping funnel according to the embodiment of the present utility model is characterized in that the elongated dropping tube extends 5 to 10mm from the bottom of the funnel. The purpose of this design is to prevent liquid material from flowing into the reaction liquid along the inner wall of the reaction bottle, reduce or avoid crystallization, thereby hanging up at the feed inlet, and simultaneously lengthen the drip tube, thereby being beneficial to the observation of the drip condition.
By design, the improved constant-pressure dropping funnel provided by the technical scheme of the utility model has the following obvious beneficial effects: 1, the scale marks on the surface of the constant-pressure dropping funnel can clearly sense the residual quantity and the addition quantity of liquid materials in the funnel, which is beneficial to the accurate control of the reaction; 2, the elbow is additionally arranged at the upper opening of the constant pressure pipe, so that the material can be effectively prevented from flowing into the reaction liquid from the upper opening of the constant pressure pipe due to the inclination of a funnel or careless operation during continuous material adding, and the safety problem caused by aggravation of the reaction can be further avoided; 3, the application of the lengthened dropping liquid pipe is beneficial to the observation of the dropping state, and meanwhile, the liquid material can be effectively prevented from flowing into the reaction liquid along the inner wall of the reaction bottle, so that the adverse phenomenon that crystals are hung on the wall of the feeding hole can be avoided; 4, it also has the advantages of simple structure, low cost, convenient operation, safety and reliability.
The generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model. The scope of the present utility model is to be accorded the widest scope consistent with the principles and novel features described herein.
Claims (4)
1. An improved constant pressure dropping funnel comprising: the funnel is characterized in that the scale marks are marked on the surface of the funnel body, the lengthened drip tube is arranged at the lower part of the funnel body close to the cock, and the upper opening of the constant pressure tube is connected with the elbow.
2. The improved constant pressure dropping funnel as claimed in claim 1, wherein the lowermost end of the scale mark is set to be 0 scale, and each scale mark from 0 scale to each scale mark corresponds to the corresponding volume of the constant pressure dropping funnel.
3. The improved constant pressure dropping funnel as claimed in claim 1, wherein the elbow connected to the upper opening of the constant pressure pipe is formed at an angle of 90 ° to the constant pressure pipe and extends downward by 3 to 5mm.
4. The improved constant pressure dropping funnel as claimed in claim 1, wherein said elongated drop tube extends 5-10 mm beyond the bottom of the funnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321338452.1U CN220520136U (en) | 2023-05-30 | 2023-05-30 | Improved constant-pressure dropping funnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321338452.1U CN220520136U (en) | 2023-05-30 | 2023-05-30 | Improved constant-pressure dropping funnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220520136U true CN220520136U (en) | 2024-02-23 |
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ID=89937502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321338452.1U Active CN220520136U (en) | 2023-05-30 | 2023-05-30 | Improved constant-pressure dropping funnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220520136U (en) |
-
2023
- 2023-05-30 CN CN202321338452.1U patent/CN220520136U/en active Active
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