CN211026390U - Backflow condensation pipe - Google Patents

Abstract

The utility model discloses a novel backward flow condenser pipe relates to a glass instrument, and it mainly includes interior mill mouthful interface 1, condenser pipe outlet 2, spine 3, "O" type baffle 4, condenser pipe inlet 5, psammitolite layer 6, "U" type pipe 7, outer mill mouthful interface 8. The utility model discloses an ascending spine condenser pipe in slant, steam can not directly fall into the flask from spine point end after the condensation on spine, but by the pointed end get back to on the interior pipe wall of condenser pipe, further cool down, in flowing into the flask along the pipe wall, the heat exchange is more abundant for the drop temperature that flows into the flask is lower, improves condensation efficiency, spine cavity and with the inner tube cavity of condenser pipe communicate with each other, improve heat transfer efficiency. The bottom of the reflux condensation pipe is provided with a layer of sand core, so that only steam and liquid can pass through the bottom of the reflux condensation pipe, and the flushing of materials can be effectively prevented.

Description

Backflow condensation pipe

Technical Field

The utility model belongs to chemical industry laboratory paraphernalia field, concretely relates to backward flow condenser pipe.

Background

The backward flow condenser pipe is in chemical laboratory, the field wide application such as fine chemistry industry, the backward flow condenser pipe generally divide into straight type according to the usage difference, sphere and snakelike, be applicable to most chemical reaction, but, to some low boiling chemical solvents, for example, petroleum ether, volatile substances such as bromine, in reaction process, ordinary condenser pipe, often be difficult to make its complete cooling, cause the extravagant of volatilizing of reagent, produce danger even, some chemical experiments easily produce the foam or the chemical reaction of easy bumping in addition, use ordinary condenser pipe, produce the flushing easily, the phenomenon of flash leads to experimental failure, cause experimental environment's pollution, can lead to test equipment to damage even.

SUMMERY OF THE UTILITY MODEL

In order to overcome the weak point that above-mentioned prior art exists to solve the problem in the above-mentioned background art, the utility model provides a safer more efficient backward flow condenser pipe can effectively reduce volatilizing of reagent, avoids the emergence of accidents such as scouring, flash, reduces the emergence of laboratory incident, reduces the risk of experimental failure.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a novel high-efficient backward flow condenser pipe, it includes interior mill's mouth interface 1, condenser pipe outlet 2, spine 3, "O" type baffle 4, condenser pipe inlet 5, psammitolite layer 6, "U" type pipe 7, outer mill's mouth interface 8.

Furthermore, a plurality of inward extending spikes 3 are arranged on the inner pipe wall, the direction of the spikes 3 is inclined upwards, the upward included angle between the spikes 3 and the inner pipe wall is 45 degrees, the spikes 3 are of a hollow structure, the inner cavity of the spikes is communicated with the inner cavity of the inner pipe column, and the root of the spikes is communicated with the cavity formed between the inner pipe column and the outer pipe column.

The position that inclines down in the middle of the condenser pipe has set up an "O" type baffle 4, and the bottom has connect a glass pipe, and the pipe runs through the outside that the condenser pipe extends to the condenser pipe, then downward direct communication to the bottom of condenser pipe, directly leads back the liquid of condensation to in the reaction flask. The thickness of the sand core 6 is about 1-2mm, the position of the sand core is at the position of the bottom 1/2-2/3 of the specific sphere, and only vapor and liquid can pass through the sand core. The U-shaped guide pipe 7 is arranged at the bottommost part of the glass guide pipe connected with the O-shaped baffle 4 and plays a role of liquid seal to prevent steam of the reaction flask from passing through.

The reflux condenser pipe comprises 3 main innovation points: (1) the inner pipe wall is provided with a plurality of inwardly extending spikes 3, which is different from the spikes of a common fractionating pipe, the direction of the spikes 3 of the present invention is inclined upwards, so that condensed liquid beads can flow back to the inner wall of the condensing pipe along the spikes 3, the liquid is further cooled, the heat exchange efficiency is greatly improved, in addition, the spikes 3 can also effectively block steam, the contact surface of condensation is enlarged, the evaporation is avoided, the condensation speed is effectively accelerated, and the condensation efficiency is improved. (2) A conduit penetrating through the inside and outside of a condensation pipe is designed, the conduit comprises an O-shaped baffle 4 and a U-shaped conduit 7, condensed liquid can be directly led into a reaction flask through the conduit, the U-shaped conduit 7 is arranged at the bottommost part of a glass conduit connected with the O-shaped baffle 4, the liquid sealing effect is achieved, vapor of the reaction flask is prevented from passing through, the condensed liquid is guaranteed to smoothly enter the reaction flask, and the reflux condensation efficiency is greatly improved. (3) A layer of sand core 6 is arranged at the bottom of the condensation pipe, and only steam and liquid can pass through the sand core, so that material overflowing and material flushing in the reaction process can be effectively prevented, and the reaction safety and the condensation efficiency are greatly improved.

The utility model discloses beneficial effect:

the utility model discloses a novel backward flow condenser pipe relates to a glass instrument, and it mainly includes 3 innovation points: 1 be equipped with a plurality of sharp thorn that inwards extend on the condenser pipe inner wall, this is totally different with the sharp thorn of general sharp thorn fractionating pipe, and the sharp thorn direction of general fractionating pipe all is oblique decurrent, and this makes the drop of condensation drip at the most advanced of sharp thorn, directly gets into in the flask, the utility model discloses an oblique ascending sharp thorn condenser pipe, steam are after the condensation on sharp thorn, can directly fall into the flask from sharp thorn point, but by the most advanced interior pipe wall of getting back to the condenser pipe on, further cool down, flow into in the flask along the pipe wall, the heat exchange is more abundant for the drop temperature that flows into the flask is lower, improves condensation efficiency, and sharp thorn cavity just communicates with each other with the interior lumen of condenser pipe, improves heat transfer efficiency. 2 is designed a conduit penetrating through the inside and outside of the condenser tube, comprising an O-shaped baffle and a U-shaped conduit, wherein the lower part of the middle of the condenser tube is provided with the O-shaped baffle, one end of the O-shaped baffle is connected with a glass conduit, the conduit penetrates through the condenser tube and extends to the outside of the condenser tube, then is directly communicated with the bottom end of the condenser tube downwards and then is led back to the condenser tube, the lowest part of the glass conduit is provided with the U-shaped bent tube to play a role of liquid seal, which not only ensures the smooth passing of condensed liquid, but also can prevent the steam of the reaction flask from passing through, the whole glass conduit has the function of preventing condensed liquid beads in the reflux condenser tube from being vaporized into steam again in the process of downward reflux, thereby influencing the reflux condensation efficiency, especially the reflux condensation of volatile substances with low boiling points, and the glass conduit plays a vital role, the condensed liquid beads can be directly introduced into the reaction flask, and the efficiency of reflux condensation is greatly improved. The bottom of the reflux condensation pipe is provided with the sand core layer, so that only steam and liquid can pass through the middle of the reflux condensation pipe, the flushing of materials can be effectively prevented, and the safety and the condensation efficiency of the reaction are greatly improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In fig. 1: 1-internal ground interface; 2-condensed water outlet pipe mouth; 3-spine; 4- "O" type baffle; 5-condensed water inlet pipe mouth; 6-sand core layer; 7- "U" shaped conduit; 8-external ground interface.

Detailed Description

The present invention will be further explained with reference to the following examples and drawings.

As shown in figure 1, a novel reflux condenser pipe mainly comprises an oblique upward spine, a combination of an O-shaped baffle and 3 innovative aspects of a sand core layer, an inner ground interface 1 is arranged at the top end of the condenser pipe, an outer pipe column is connected to the outer surface of the pipe body, the outer pipe column is provided with a condensate water outlet pipe orifice 2 and a condensate water inlet pipe orifice 5 for introducing condensate steam, the spine 3 is arranged on the inner wall of the pipe column in the condenser pipe, the spine 3 is distributed in a staggered mode along the oblique upward direction of the inner pipe wall, the spine tip end of each group of spines 3 points to the center of the inner pipe column, the spine 3 is hollow, the root of the spine 3 is communicated with a cavity formed between the inner pipe column and the outer pipe column, the spine 3 greatly increases the contact area of the steam in the condenser pipe, improves the heat exchange efficiency, effectively prevents the ascending of the steam, accelerates the cooling of the steam into liquid drops in the condensation, the utility model discloses a point thorn of design is obviously different from the point thorn of the common fractionating tube in laboratory, and the point thorn of the common fractionating tube in laboratory usually is that the direction is downward, and the point thorn is solid and the comdenstion water cavity does not communicate, and the liquid drop of condensation directly instils into in the distillation flask like this, the utility model discloses a 3 directions of point thorn of design are oblique ascending and cavity, can communicate each other with the comdenstion water cavity, have improved heat exchange efficiency greatly, the condensation of steam with higher speed, moreover, 3 directions of point thorn are upwards to one side, can directly not instil into in the distillation flask at the liquid drop of point thorn condensation, and can flow back to the intraductal pipe wall of condensation along point thorn 3, with the further heat exchange of comdenstion water, flow back to the liquid drop temperature in the reaction flask lower, the condensation. The lower position has set up an "O" type baffle 4 in the centre of condenser pipe, when meetting the volatile material of low boiling point, the liquid that condenses, in the in-process that flows into the flask along the pipe wall, meets hotter steam, has reduced condensation efficiency by vaporization once more easily, and the design of "O" type baffle 4 can make the liquid that has condensed, avoids contacting the hotter steam of lower part, directly leads to in the reaction flask through the pipe of outside. One end of the O-shaped baffle 4 is connected with a glass conduit which runs through the condenser tube and extends to the outside of the condenser tube, then the conduit is directly communicated to the bottom end of the condenser tube downwards and directly led back to the bottom of the condenser tube to enter the reaction flask. The sand core layer 6 is arranged at the bottom of the condensation pipe, and only steam and liquid can pass through the sand core layer 6 from the middle, so that when the flask contains raw materials which are easy to explode and boil or generate foam, the sand core layer 6 can effectively prevent the material from being flushed in the reaction process. The design of the U-shaped conduit 7 ensures that the condensed liquid can smoothly and directly enter the reaction flask, and plays a role of liquid seal, so that the steam in the reaction flask can not enter the conduit. And the external ground interface 8 is used for connecting the distillation flask.

Specifically, the direction of the spine 3 is inclined upwards, the included angle between the spine and the inner pipe wall is 45 degrees,

specifically, the spikes 3 are distributed in a staggered manner along the obliquely upward direction of the inner pipe wall of the pipe column in the fractionating pipe body, and the spike points of each group of spikes 3 point to the center of the inner pipe column and are communicated with the inner cavity of the inner pipe column. The spikes 3 can make the evaporated steam blocked by the spikes 3, enlarge the condensed contact surface and prevent the evaporated steam, the condensed liquid beads flow back to the inner wall of the condensing tube, thereby increasing the heat exchange efficiency and further cooling to improve the condensing efficiency.

Specifically, the "O" shaped baffle 4 is positioned at the location of the total column length 2/3 in the condenser tube condensate.

In particular, the height of the U-shaped conduit is about 10mm, so that the steam can be effectively prevented from entering the U-shaped conduit, and excessive liquid cannot be reserved.

Specifically, the sand core layer 6 arranged at the bottom of the condensation pipe is about 1-2mm in thickness, so that the solid and the foam are prevented from passing through, the steam and the liquid can pass through in a normal mode, the material flushing in the reaction process is prevented, and the risk of test failure is reduced.

The inner ground interface 1 and the outer ground interface 8 are both provided with standard ground.

Claims (3)

1. A reflux condenser pipe comprises an inner ground interface (1), a condenser pipe water outlet pipe orifice (2), a spine (3), an O-shaped baffle (4), a condenser pipe water inlet pipe orifice (5), a sand core layer (6), a U-shaped guide pipe (7) and an outer ground interface (8); the condensation device is characterized in that an inner ground port connector (1) is arranged at the top end of the condensation pipe, an outer pipe column is connected to the outer surface of the pipe body, the outer pipe column is provided with a condensation pipe water outlet pipe orifice (2) and a condensation pipe water inlet pipe orifice (5) for introducing condensed water condensed steam, a spine (3) is arranged on the inner wall of the pipe column in the condensation pipe, an O-shaped baffle (4) is arranged at a position lower than the middle of the condensation pipe, the bottom end of the O-shaped baffle is connected with a glass guide pipe, the guide pipe penetrates through the condensation pipe and extends to the outside of the condensation pipe, then the guide pipe is directly communicated with the bottom end of the condensation pipe; the thickness of the sand core layer (6) is about 1-2mm, and the sand core layer (6) is positioned at the bottom 1/2-2/3 of the specific sphere, so that only steam and liquid can pass through the middle.

2. The reflux condenser tube of claim 1, wherein the inner wall of the inner tube column of the condenser tube is provided with a spike (3), the direction of the spike (3) is inclined upwards, the upward included angle between the spike (3) and the inner wall of the inner tube column is 45 degrees, the spike (3) is of a hollow structure, the inner cavity of the spike is communicated with the inner cavity of the inner tube column, and the root of the spike is communicated with the cavity formed between the inner tube column and the outer tube column.

3. A reflux condenser as claimed in claim 1, characterized in that the lowest part of the glass conduit connected to the "O" baffle (4) is provided with a "U" shaped conduit (7) which acts as a liquid seal and prevents the passage of the vapors from the reaction flask.

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