CN217854593U

CN217854593U - Tubular falling film evaporator for organic solvent distillation

Info

Publication number: CN217854593U
Application number: CN202222034193.5U
Authority: CN
Inventors: 胡涛
Original assignee: Hubei Jiejing Machinery Equipment Co ltd
Current assignee: Hubei Jiejing Machinery Equipment Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-11-22
Anticipated expiration: 2032-08-03

Abstract

The utility model discloses a tubular falling film evaporator of organic solvent distillation, which comprises a tank body, be fixed with the apron on the jar body, be fixed with the liquid separation case on the inner wall of the jar body, be fixed with the guide plate on the inner wall of liquid separation case, the lower extreme sliding insertion of liquid separation case has liquid pipe, be fixed with spiral slideway on the inner wall of liquid pipe, be fixed with the thread bush on the liquid separation case, be fixed with the screw thread arch on the liquid pipe, the mutual screw thread setting of thread arch and thread bush, the fixed embedding in upper end of liquid separation case has the filling opening that runs through the apron, the fixed embedding has first valve on the filling opening, the lower extreme of liquid pipe is fixed with the shrouding. The utility model discloses a guide plate and spiral slideway for solution can be evenly distributed on the inner wall in the inflow liquid pipe, improves the distilled effect of evaporation, and the screw thread is protruding to dock with the mutual screw thread of thread bush, makes the liquid pipe can be convenient for install and dismantle, is convenient for wash.

Description

Tubular falling film evaporator for organic solvent distillation

Technical Field

The utility model relates to a falling film evaporator technical field specifically is a distilled tubular falling film evaporator of organic solvent.

Background

The falling film evaporation is that the feed liquid is added from an upper pipe box of a heating chamber of the falling film evaporator, is uniformly distributed into each heat exchange pipe through a liquid distribution and film forming device, and flows from top to bottom in a uniform film shape under the action of gravity, vacuum induction and airflow.

A falling-film evaporator for distilling waste organic solvents is disclosed according to the authorization notice number CN214436563U, which relates to the environmental protection field of distillation, recovery and reuse of hazardous waste organic solvents. Through carrying out the coupling with evaporimeter and condenser, the evaporimeter is located the condenser lower extreme, when realizing falling liquid film evaporation concentration, material steam realizes material steam condensation and feed heating through exchanging heat with the feeding, has reduced the electric energy of comdenstion water consumption on the one hand, and on the other hand has reduced the consumption of the required steam of heater. The energy efficiency of the low-energy-efficiency steam discharged by the heater is improved by the compressor and is supplied to the coil pipe at the bottom of the falling film evaporator for heating, the steam energy is utilized to the maximum extent, and the aims of energy conservation, emission reduction, environmental protection and the like are really fulfilled.

Simultaneously according to authorizing bulletin number CN215084905U a shell and tube falling film evaporator, including heater, evaporimeter, first transfer pipe and second transfer pipe, the right side of heater outer wall is equipped with first transfer pipe, the left side of evaporimeter outer wall is equipped with the second transfer pipe, the right side of first transfer pipe and the left side of second transfer pipe are equipped with the connecting pipe. Through at first transfer pipe, the outside of second transfer pipe and connecting pipe is equipped with first fixed buckle and the fixed buckle of second, when the transfer pipe transmits liquid to the inside of evaporimeter, filter the produced foam of collision between the liquid, can separate connecting pipe and first transfer pipe and second transfer pipe, can dismantle the bolt from the outer wall of nut, then demolish the nut from the inside of first connecting plate and second connecting plate, thereby first fixed buckle will separate with the fixed buckle of second, separate fixed block and fixed slot simultaneously, can dismantle to it, it is comparatively convenient during the application.

The liquid pipe part of present evaporimeter structure is mostly welded fastening with the branch liquid case, leads to dismantling when wasing at regular intervals convenient inadequately, and when solution got into the pipeline, if do not carry out the water conservancy diversion, can greatly reduced at the homogeneity of liquid pipe inner wall flow distribution.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a distilled tubular falling film evaporation ware of organic solvent to solve liquid pipe convenient to detach and improve the problem of solution at the inner wall homogeneity of flowing.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a distilled tubular falling film evaporation ware of organic solvent, which comprises a tank body, be fixed with the apron on the jar body, be fixed with the branch liquid case on the inner wall of the jar body, be fixed with the guide plate on the inner wall of branch liquid case, the lower extreme sliding insertion of branch liquid case has liquid pipe, be fixed with spiral slideway on the inner wall of liquid pipe, be fixed with the thread bush on the branch liquid case, it is protruding to be fixed with the screw thread on the liquid pipe, the mutual screw thread setting of thread bush and thread bush, the fixed embedding in upper end of branch liquid case has the filling opening that runs through the apron, the fixed embedding has first valve on the filling opening, the lower extreme of liquid pipe is fixed with the shrouding.

Preferably, a transition pipe is fixedly embedded in the liquid separation box, a spiral pipe is fixed on the transition pipe, and a container or a connecting pipeline can be placed under the spiral pipe, so that the distillate can be guided and collected.

Preferably, a cylinder is fixed on the cover plate and hermetically wraps the spiral pipe, so that the path of steam flow can be increased, and the spiral pipe can be better contacted with cold water.

Preferably, a cold water outlet and a cold water inlet are respectively fixed on one side of the cylinder, and steam in the spiral pipe can be condensed and liquefied through a condensation effect to obtain distillate.

Preferably, a steam inlet is fixedly embedded into one side of the tank body, and a steam outlet is fixedly embedded into the other side of the tank body, so that the circulating flow of steam is ensured, and the temperature in the tank body is ensured.

Preferably, the lower of the tank body is provided with a base, the lower end of the base is fixed with a supporting leg, and the base can collect water liquid dripped from the outer wall of the liquid pipe during evaporation.

Preferably, a liquid outlet is fixedly embedded in the base, and a second valve is fixedly embedded in the liquid outlet and can discharge and recycle water liquid.

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

1. the utility model discloses a guide plate and spiral slideway for solution can be evenly distributed on the inner wall in the influent stream pipe, improves the distilled effect of evaporation.

2. The utility model discloses the mutual screw thread butt joint of screw thread arch and thread bush for the liquid pipe can be convenient for install and dismantle, is convenient for wash.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the overhead distribution of the baffles of the present invention;

fig. 3 is an enlarged schematic view of the position a of the present invention.

In the figure: 1. a tank body; 11. a cover plate; 12. a liquid separation box; 13. a baffle; 14. a liquid pipe; 15. a spiral slideway; 16. a threaded boss; 17. a threaded sleeve; 18. a liquid filling port; 19. a first valve; 110. closing the plate; 2. a transition duct; 21. a spiral tube; 3. a barrel; 31. a cold water outlet; 32. a cold water inlet; 4. a steam inlet; 41. a steam outlet; 5. a base; 51. a liquid discharge port; 52. a second valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example I

Referring to fig. 1, 2 and 3, a tubular falling film evaporator for organic solvent distillation includes a tank body 1, a cover plate 11 is fixed on the tank body 1, a liquid separation tank 12 is fixed on an inner wall of the tank body 1, a guide plate 13 is fixed on the inner wall of the liquid separation tank 12, a liquid pipe 14 is slidably inserted into a lower end of the liquid separation tank 12, a spiral slideway 15 is fixed on the inner wall of the liquid pipe 14, a threaded sleeve 17 is fixed on the liquid separation tank 12, a threaded protrusion 16 is fixed on the liquid pipe 14, the threaded protrusion 16 and the threaded sleeve 17 are mutually threaded, a liquid filling opening 18 penetrating through the cover plate 11 is fixed on an upper end of the liquid separation tank 12, a first valve 19 is fixed on the liquid filling opening 18, and a sealing plate 110 is fixed on a lower end of the liquid pipe 14.

Referring to fig. 1, a transition pipe 2 is fixedly embedded in the liquid separation tank 12, a spiral pipe 21 is fixed on the transition pipe 2, and a container or a connecting pipeline can be placed under the spiral pipe 21, so that the distillate can be guided and collected.

Referring to fig. 1, the cover plate 11 is fixed with the cylinder 3, and the cylinder 3 is hermetically wrapped around the spiral pipe 21, so that the path of the steam flow can be increased, and the steam can be better contacted with cold water.

Referring to fig. 1, a cold water outlet 31 and a cold water inlet 32 are respectively fixed on one side of the cylinder 3, so that steam in the spiral pipe 21 can be condensed and liquefied by a condensation effect to obtain distillate.

This embodiment is used: the distillate is obtained by the effect of condensation on the vapour generated by the solution.

Example II

Referring to fig. 1, 2 and 3, in this embodiment, as further described in example 1, the tubular falling film evaporator for organic solvent distillation includes a tank 1, a cover plate 11 is fixed on the tank 1, a liquid separation tank 12 is fixed on an inner wall of the tank 1, a guide plate 13 is fixed on an inner wall of the liquid separation tank 12, a liquid pipe 14 is slidably inserted into a lower end of the liquid separation tank 12, a spiral slideway 15 is fixed on an inner wall of the liquid pipe 14, a threaded sleeve 17 is fixed on the liquid separation tank 12, a threaded boss 16 is fixed on the liquid pipe 14, the threaded boss 16 and the threaded sleeve 17 are mutually threaded, a liquid filling port 18 penetrating through the cover plate 11 is fixed on an upper end of the liquid separation tank 12, a first valve 19 is fixed on the liquid filling port 18, and a sealing plate 110 is fixed on a lower end of the liquid pipe 14.

Referring to fig. 1, a steam inlet 4 is fixedly inserted into one side of a tank 1, and a steam outlet 41 is fixedly inserted into the other side of the tank 1, so as to ensure the circulation flow of steam, thereby ensuring the temperature in the tank 1.

This embodiment is used: the temperature in the tank body 1 can reach the evaporation temperature through the heating mode of steam.

Example III

Referring to fig. 1, 2 and 3, the present embodiment further illustrates another embodiment, and includes a tank 1, a cover plate 11 is fixed on the tank 1, a liquid separation box 12 is fixed on an inner wall of the tank 1, a guide plate 13 is fixed on an inner wall of the liquid separation box 12, a liquid pipe 14 is slidably inserted into a lower end of the liquid separation box 12, a spiral slideway 15 is fixed on an inner wall of the liquid pipe 14, a threaded sleeve 17 is fixed on the liquid separation box 12, a threaded boss 16 is fixed on the liquid pipe 14, the threaded boss 16 and the threaded sleeve 17 are mutually threaded, a liquid filling port 18 penetrating through the cover plate 11 is fixed on an upper end of the liquid separation box 12, a first valve 19 is fixed on the liquid filling port 18, and a sealing plate 110 is fixed on a lower end of the liquid pipe 14.

Referring to fig. 1, a base 5 is disposed under a tank 1, a leg is fixed to the lower end of the base 5, and the base 5 collects water dropped from the outer wall of a liquid collecting tube 14 during evaporation.

Referring to fig. 1, a liquid outlet 51 is fixedly inserted into the base 5, and a second valve 52 is fixedly inserted into the liquid outlet 51 for discharging and recycling water.

This embodiment is used: when solution distillation is required to be carried out, steam is introduced into the tank body 1 through the steam inlet 4, and is discharged through the steam outlet 41, steam circulation is achieved, then solution is added into the liquid separation tank 12 through the liquid adding port 18, the solution is separated to each liquid pipe 14 through the guide plate 13, and when the solution enters the liquid pipe 14, spiral flow is achieved through the effect of the spiral slideway 15, and the solution is uniformly distributed on the inner wall of the liquid pipe 14, so that the distribution uniformity is prevented from being influenced by gravity falling.

Continuously heating the tank body 1 to evaporate the solution, then leading the solution steam into the spiral pipe 21 through the transition pipe 2, leading low-temperature cold water into the cylinder body 3 through the cold water inlet 32, then realizing cold water circulation through the cold water outlet 31, and obtaining distillate through condensation effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The tubular falling-film evaporator for organic solvent distillation comprises a tank body (1) and is characterized in that: the utility model discloses a liquid storage tank, including jar body (1), be fixed with apron (11) on jar body (1), be fixed with on the inner wall of the jar body (1) and divide liquid case (12), be fixed with guide plate (13) on the inner wall of branch liquid case (12), the lower extreme sliding insertion of branch liquid case (12) has liquid pipe (14), be fixed with spiral slide (15) on the inner wall of liquid pipe (14), be fixed with thread bush (17) on branch liquid case (12), be fixed with thread bulge (16) on liquid pipe (14), thread bulge (16) and thread bush (17) each other set up, the fixed embedding in of upper end of branch liquid case (12) has filling opening (18) of running through apron (11), fixed embedding has first valve (19) on filling opening (18), the lower extreme of liquid pipe (14) is fixed with shrouding (110).

2. The tubular falling film evaporator for organic solvent distillation as claimed in claim 1, wherein: a transition pipe (2) is fixedly embedded in the liquid separation box (12), and a spiral pipe (21) is fixedly arranged on the transition pipe (2).

3. The tubular falling film evaporator for organic solvent distillation as claimed in claim 2, wherein: a cylinder body (3) is fixed on the cover plate (11), and the cylinder body (3) is hermetically wrapped with a spiral pipe (21).

4. The tubular falling film evaporator for organic solvent distillation as claimed in claim 3, wherein: and a cold water outlet (31) and a cold water inlet (32) are respectively fixed on one side of the cylinder body (3).

5. The tubular falling film evaporator for organic solvent distillation as claimed in claim 1, wherein: one side of the tank body (1) is fixedly embedded with a steam inlet (4), and the other side of the tank body (1) is fixedly embedded with a steam outlet (41).

6. The tubular falling film evaporator for organic solvent distillation as claimed in claim 1, wherein: a base (5) is arranged below the tank body (1), and supporting legs are fixed at the lower end of the base (5).

7. The tubular falling film evaporator for organic solvent distillation as claimed in claim 6, wherein: a liquid outlet (51) is fixedly embedded in the base (5), and a second valve (52) is fixedly embedded in the liquid outlet (51).