CN211612704U - Environment-friendly condensation reflux device - Google Patents
Environment-friendly condensation reflux device Download PDFInfo
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- CN211612704U CN211612704U CN201922442454.5U CN201922442454U CN211612704U CN 211612704 U CN211612704 U CN 211612704U CN 201922442454 U CN201922442454 U CN 201922442454U CN 211612704 U CN211612704 U CN 211612704U
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Abstract
The utility model discloses an environment-friendly condensing reflux device, which comprises an arch bottom N-shaped pipe, a flat bottom U-shaped pipe and a condensing cylinder; the lower end of the left pipe leg of the arched bottom N-shaped pipe is connected to the top of the reaction kettle, the lower end of the right pipe leg of the arched bottom N-shaped pipe is connected with the upper end of the left pipe leg of the flat bottom U-shaped pipe, the upper end of the right pipe leg of the flat bottom U-shaped pipe is connected with the lower end inlet of the condensation cylinder, and the bottom of the flat bottom U-shaped pipe is provided with a liquid collection tank. The utility model discloses environment-friendly condensation reflux unit has set up the flat U-shaped pipe that has the precooling, has improved condensation efficiency, and the liquid after the condensation section of thick bamboo messenger condensation of slope installation moreover can erode the crystallization solid of condenser pipe inner wall by oneself, therefore the condenser pipe is difficult for blockking up, and life is longer.
Description
Technical Field
The utility model relates to a chemical machinery field, concretely relates to environment-friendly condensation reflux unit.
Background
The reaction kettle is widely applied to pressure vessels for petroleum, chemical engineering, rubber, pesticides, dyes, medicines and foods, and is used for completing technological processes such as vulcanization, nitration, hydrogenation, alkylation, polymerization, condensation and the like, such as a reactor, a reaction kettle, a decomposition kettle, a polymerization kettle and the like; when there is volatile liquid reactant in the reation kettle, in order to avoid reactant loss and make full use of raw materials, will design environment-friendly condensation reflux unit at generating device, make this material resume to liquid by the gaseous state after through the condensation to the backward flow is collected.
The reaction kettle condensation reflux device in the prior art is basically communicated with a reaction kettle through a pipeline, the pipeline is vertically installed, the pipeline simultaneously refluxes materials and passes through material steam, and especially when gas to be condensed is easy to crystallize into solid, the crystallized solid is attached to the inner wall of the pipeline, the pipeline is easy to block, and the condensation efficiency is poor.
Disclosure of Invention
For solving the technical problem, the main object of the utility model is to provide an environment-friendly condensation reflux device, this environment-friendly condensation reflux device carries out precooling earlier, recondensation to volatile gas to the difficult jam of condenser pipe.
In order to achieve the above purpose, the present invention adopts the following technical solution.
An environment-friendly condensing reflux device comprises an arch bottom N-shaped pipe, a flat bottom U-shaped pipe and a condensing cylinder; the lower end of the left pipe leg of the arched bottom N-shaped pipe is connected to the top of the reaction kettle, the lower end of the right pipe leg of the arched bottom N-shaped pipe is connected with the upper end of the left pipe leg of the flat bottom U-shaped pipe, the upper end of the right pipe leg of the flat bottom U-shaped pipe is connected with the lower end inlet of the condensation cylinder, and the bottom of the flat bottom U-shaped pipe is provided with a liquid collection tank.
Further, the condensing cylinder comprises a cylinder shell, wherein the inlet of the cylinder shell faces downwards, and the bottom of the cylinder shell faces upwards; a partition plate is arranged at an inlet in the cylinder shell, a cooling cavity is formed between the partition plate and the cylinder bottom, a plurality of condensing pipes are arranged in the cooling cavity, and the condensing pipes penetrate through the partition plate and are communicated with the inlet of the cylinder shell; the side part of the cooling cavity is provided with a first cooling water inlet and a first cooling water outlet, and the position of the first cooling water outlet is higher than that of the first cooling water inlet.
Furthermore, a condensing cylinder is obliquely arranged, the included angle between the condensing cylinder and the horizontal plane is A, and A is more than or equal to 45 degrees and less than 90 degrees.
Further, a is 75 °.
Furthermore, the included angle between the horizontal connecting section of the flat-bottom U-shaped pipe and the horizontal direction is B, B is more than 0 degree and less than or equal to 45 degrees, and the liquid collecting tank is connected to the bottom of the lower end of the horizontal connecting section of the flat-bottom U-shaped pipe.
Further, B is 15 °.
Further, a spiral cooling pipe is arranged in the horizontal connecting section of the flat-bottom U-shaped pipe, and a second cooling water inlet and a second cooling water outlet are arranged at two ends of the horizontal connecting section of the flat-bottom U-shaped pipe; the second cooling water inlet is close to the condensing cylinder, and the second cooling water outlet is far away from the condensing cylinder.
Further, the second cooling water outlet position is higher than the second cooling water inlet position.
The utility model discloses environment-friendly condensation reflux unit has set up the flat U-shaped pipe that has the precooling, has improved condensation efficiency, and the liquid after the condensation section of thick bamboo messenger condensation of slope installation moreover can erode the crystalline solid in the condenser pipe by oneself, therefore the condenser pipe is difficult for blockking up, and life is longer.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a front view of an embodiment of the environmentally friendly reflux condenser apparatus of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at C;
FIG. 3 is a cross-sectional view of an embodiment of a condensing cylinder of the environmentally friendly condensing reflux unit of the present invention;
FIG. 4 is a view in elevation at D of FIG. 3;
FIG. 5 is a partial cross-sectional view of a flat-bottomed U-shaped tube of the environment-friendly reflux condenser.
In the above figures:
1, an arch bottom N-shaped pipe;
2, a flat-bottom U-shaped pipe; 201 a cooling tube; 202 a second cooling water inlet; 203 a second cooling water outlet;
3, a condensation cylinder; 301 a cartridge housing; 302 a separator; 303 a condenser tube; 304 a first cooling water inlet; 305 a first cooling water outlet;
4, a reaction kettle;
5, collecting a liquid tank;
a, forming an included angle between a condensation cylinder and the horizontal plane; and the horizontal connecting section of the B flat-bottom U-shaped pipe forms an included angle with the horizontal direction.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be implemented in a number of other ways than those described herein, and those skilled in the art will be able to make similar generalizations without departing from the spirit of the invention. The invention is therefore not limited to the specific embodiments disclosed below.
Referring to fig. 1 and 2, an environment-friendly condensing reflux apparatus comprises an arched bottom N-shaped tube 1, a flat bottom U-shaped tube 2 and a condensing cylinder 3; the lower end of the left tube leg of the arched bottom N-shaped tube 1 is connected to the top of the reaction kettle 4, the lower end of the right tube leg of the arched bottom N-shaped tube 1 is connected with the upper end of the left tube leg of the flat-bottom U-shaped tube 2, the upper end of the right tube leg of the flat-bottom U-shaped tube 2 is connected with the lower end of the condensation cylinder 3, and the bottom of the flat-bottom U-shaped tube 2 is provided with a liquid collection tank 5.
In the above embodiment, the environment-friendly condensation reflux device is arranged at the top of the reaction kettle 4, so that the volatile gas can be effectively condensed and recovered, and the volatile gas is prevented from being discharged into the atmosphere to pollute the environment. In this embodiment, the environment-friendly condensing and refluxing device includes an arched bottom N-shaped tube 1, a flat bottom U-shaped tube 2, and an obliquely installed condensing cylinder 3. The volatile gas is condensed and flows back to the lowest position of the environment-friendly condensation and reflux device through the arch bottom N-shaped pipe 1 and the flat bottom U-shaped pipe 2 in the condensation cylinder 3, namely the horizontal connection section of the flat bottom U-shaped pipe 2, and is collected through the liquid collection tank 5 arranged at the bottom of the horizontal connection section of the flat bottom U-shaped pipe 2.
Referring to fig. 3 and 4, further, the condensation cylinder 3 comprises a cylinder shell 301, wherein the inlet of the cylinder shell 301 faces downwards, and the bottom faces upwards; a partition plate 302 is arranged at an inlet in the cylinder shell 301, a cooling cavity is formed between the partition plate 302 and the cylinder bottom, a plurality of condensing pipes 303 are arranged in the cooling cavity, and the condensing pipes 303 penetrate through the partition plate 302 and are communicated with the inlet of the cylinder shell 301; the side of the cooling cavity is provided with a first cooling water inlet 304 and a first cooling water outlet 305, and the position of the first cooling water outlet 305 is higher than that of the first cooling water inlet 304.
In the above embodiment, set up many condenser pipes 303 in cartridge 301, because condenser 3 slope installation, volatile gas becomes liquid after the condensation, must fall to the inner wall of condenser pipe 303 under the action of gravity on to wash away the solid of condenser pipe 303 inner wall crystallization, the mode of this kind of condenser 3 slope installation makes the liquid of condensation wash away the solid attached to condenser pipe 303 inner wall by oneself, therefore condenser pipe 303 is difficult for blockking up. If condensing cylinder 3 installs perpendicularly, the liquid ground of condenser 303 center department condensation will fall perpendicularly under the action of gravity to can not play the scouring action to condenser 303 inner wall, and the crystallization solid of attaching to the inner wall of condenser 303 is more and more, and condenser 303 internal diameter is thinner and more, finally will block up condenser 303 completely, and the condensation is inefficacy.
Referring to fig. 1 and 2, the condensation cylinder 3 is at an angle a of 45 ° or more and a < 90 ° from the horizontal, preferably, a is 75 °.
Further, the included angle between the horizontal connecting section of the flat-bottom U-shaped tube 2 and the horizontal direction is B, 0 ° < B ≤ 45 °, and the liquid collection tank 5 is connected to the bottom of the lower end of the horizontal connecting section of the flat-bottom U-shaped tube 2, preferably, B ═ 15 °.
In the above embodiment, in order to facilitate the collection of the liquid in the condensation cylinder 3 and the flat-bottom U-shaped tube 2, the liquid collection tank 5 is disposed at the bottom of the lower end of the horizontal connection section of the flat-bottom U-shaped tube 2, and the liquid in the liquid collection tank 5 is collected to a certain extent and returned to the reaction kettle 4.
Referring to fig. 5, further, in order to improve the condensing efficiency of the eco-friendly condensate reflux apparatus, a spiral cooling pipe 201 is disposed in the horizontal connecting section of the flat-bottomed U-shaped pipe 2, and a second cooling water inlet 202 and a second cooling water outlet 203 are disposed at two ends of the horizontal connecting section of the flat-bottomed U-shaped pipe 2; the second cooling water inlet 202 is close to the condensation drum 3, and the second cooling water outlet 203 is far from the condensation drum 3.
In this embodiment, before the volatile gas enters the condensation cylinder 3, when the volatile gas passes through the flat-bottom U-shaped tube 2, because the spiral cooling tube 201 is arranged on the inner wall of the flat-bottom U-shaped tube 2, the volatile gas is pre-cooled when passing through, and the condensation efficiency is improved.
Further, in order to keep the cooling water in the flat-bottomed U-shaped tube for a long time, the second cooling water outlet 203 is positioned higher than the second cooling water inlet 202.
Although the invention has been described in detail in this specification with reference to specific embodiments and illustrative embodiments, it will be apparent to those skilled in the art that certain changes and modifications can be made therein without departing from the scope of the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. An environment-friendly condensation reflux device is characterized by comprising an arch-bottom N-shaped pipe (1), a flat-bottom U-shaped pipe (2) and a condensation cylinder (3); the lower end of the left tube leg of the arched bottom N-shaped tube (1) is connected to the top of the reaction kettle (4), the lower end of the right tube leg of the arched bottom N-shaped tube (1) is connected with the upper end of the left tube leg of the flat-bottom U-shaped tube (2), the upper end of the right tube leg of the flat-bottom U-shaped tube (2) is connected with the lower end inlet of the condensation cylinder (3), and a liquid collection tank (5) is arranged at the bottom of the flat-bottom U-shaped tube (2).
2. The environmentally friendly condensate return apparatus according to claim 1, wherein the condensation drum (3) comprises a drum shell (301), an inlet of the drum shell (301) faces downwards, and a bottom of the drum shell faces upwards;
a partition plate (302) is arranged at an inner inlet of the cylinder shell (301), a cooling cavity is formed between the partition plate (302) and the cylinder bottom, a plurality of condensing pipes (303) are arranged in the cooling cavity, and the condensing pipes (303) penetrate through the partition plate (302) and are communicated with the inlet of the cylinder shell (301);
the side part of the cooling cavity is provided with a first cooling water inlet (304) and a first cooling water outlet (305), and the position of the first cooling water outlet (305) is higher than that of the first cooling water inlet (304).
3. The environmentally friendly condensate reflux apparatus according to claim 1, wherein the condensing drum (3) is installed obliquely, the angle between the condensing drum (3) and the horizontal is A, and A is more than or equal to 45 degrees and less than 90 degrees.
4. The environmentally friendly condensate return apparatus of claim 3, wherein A is 75 °.
5. The environment-friendly condensation and reflux device according to claim 1, wherein the included angle between the horizontal connecting section of the flat-bottom U-shaped tube (2) and the horizontal direction is B, B is more than 0 degrees and less than or equal to 45 degrees, and the liquid collection tank (5) is connected to the bottom of the lower end of the horizontal connecting section of the flat-bottom U-shaped tube (2).
6. The environmentally friendly condensate return apparatus of claim 5, wherein B is 15 °.
7. The environment-friendly condensate return apparatus according to claim 5, wherein a spiral cooling pipe (201) is disposed in the horizontal connecting section of the flat-bottomed U-shaped pipe (2), and a second cooling water inlet (202) and a second cooling water outlet (203) are disposed at two ends of the horizontal connecting section of the flat-bottomed U-shaped pipe (2); the second cooling water inlet (202) is close to the condensation cylinder (3), and the second cooling water outlet (203) is far away from the condensation cylinder (3).
8. The environmentally friendly condensate return apparatus according to claim 7, wherein the second cooling water outlet (203) is located higher than the second cooling water inlet (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201922442454.5U CN211612704U (en) | 2019-12-30 | 2019-12-30 | Environment-friendly condensation reflux device |
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| CN201922442454.5U CN211612704U (en) | 2019-12-30 | 2019-12-30 | Environment-friendly condensation reflux device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113614478A (en) * | 2019-04-02 | 2021-11-05 | 科思创知识产权两合公司 | Drying device, use thereof and method for producing isocyanates using said drying device |
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2019
- 2019-12-30 CN CN201922442454.5U patent/CN211612704U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113614478A (en) * | 2019-04-02 | 2021-11-05 | 科思创知识产权两合公司 | Drying device, use thereof and method for producing isocyanates using said drying device |
| CN113614478B (en) * | 2019-04-02 | 2023-11-17 | 科思创知识产权两合公司 | Drying device and use thereof, and method for producing isocyanates using the drying device |
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