CN214344527U

CN214344527U - Falling film receiving tank

Info

Publication number: CN214344527U
Application number: CN202023118807.5U
Authority: CN
Inventors: 程喜伟; 张文涛; 王跃津; 周磊
Original assignee: Shaanxi Hannan New Materials Co ltd
Current assignee: Shaanxi Hannan New Materials Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-10-08
Anticipated expiration: 2030-12-22

Abstract

The utility model provides a falling film receiving tank, which relates to the technical field of material concentration auxiliary equipment and comprises a tank body, a cooling interlayer and a condensing assembly; a liquid inlet which is used for being connected with the outlet of the condenser is arranged at the top of the tank body, and a liquid outlet is arranged at the bottom of the tank body; the cooling interlayer is arranged around the outer side of the tank body and extends upwards from the bottom of the tank body to the upper part of the tank body; the upper part of the condensing assembly is connected with the tank body through an air inlet pipe, and the bottom of the condensing assembly is connected with the tank body through a liquid discharge pipe. The utility model provides a falling film receiving tank sets up and carries out cooling at the cooling intermediate layer of jar external portion to the jar body, makes the liquid that gets into the jar body keep the low temperature state, and the waste of material has been avoided in the effective receipt of the material of being convenient for. To the gas of a small amount of condensation evaporation, utilize the condensation subassembly that jar body top set up to carry out further condensation, flow back to the bottom of the jar body behind for liquid with it liquefaction, improved the collection efficiency of liquid, avoided the waste of material, realized good receiving effect.

Description

Falling film receiving tank

Technical Field

The utility model belongs to the technical field of production facility, more specifically say, relate to a falling liquid film receiving tank.

Background

In the process of concentrating the material, a falling film evaporator is often used. The falling film evaporation is to add the feed liquid from an upper pipe box of a heating chamber of the falling film evaporator, uniformly distribute the feed liquid into each heat exchange pipe, and flow downwards in a uniform film shape under the action of gravity. In the flowing process, the feed liquid is heated and vaporized by a heating medium outside the tank body to generate steam and liquid phase substances, the substances enter a separation chamber of the evaporator together, the steam and the liquid are separated, the steam enters the condenser and is condensed and then received by the receiving tank, and the liquid phase is discharged from the separation chamber.

Traditional receiving tank is when receiving the steam after the condensation, generally has the steam condensation thoroughly, receives the incomplete problem of liquid collection, causes the waste of material, is unfavorable for improving the economic nature of production.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a falling liquid film receiving tank to solve the condensing steam condensation that the receiving tank that exists among the prior art received not thorough, cause the extravagant technical problem of material.

In order to achieve the above object, the utility model adopts the following technical scheme: the falling film receiving tank comprises a tank body, a cooling interlayer and a condensing assembly; a liquid inlet which is used for being connected with the outlet of the condenser is arranged at the top of the tank body, and a liquid outlet is arranged at the bottom of the tank body; the cooling interlayer is arranged around the outer side of the tank body and extends upwards from the bottom of the tank body to the upper part of the tank body; the upper part of the condensing assembly is connected with the tank body through an air inlet pipe, and the bottom of the condensing assembly is connected with the tank body through a liquid discharge pipe.

As another embodiment of this application, the condensation subassembly is connected with the heat exchanger, is equipped with the condensate import that links to each other with the export of heat exchanger and the condensate export that links to each other with the import of heat exchanger on the condensation subassembly.

As another embodiment of the present application, the condensing assembly includes a condensing tank and a serpentine pipe; the main shaft of the condensing tank extends along the up-down direction; the coiled pipe is arranged in the condensing tank and is bent in a reciprocating mode in the up-down direction, and the condensate inlet and the condensate outlet are respectively arranged at two ends of the coiled pipe.

As another embodiment of the present application, a drain extends down to the bottom of the tank.

As another embodiment of the application, the bottom of the cooling interlayer is connected with a cooling water inlet pipe, and the upper part of the cooling interlayer is connected with a cooling water outlet pipe.

As another embodiment of this application, be equipped with the guide plate of spiral winding setting in the outside of jar body from bottom to top in the cooling intermediate layer.

As another embodiment of the application, the outer wall of the tank body is further provided with a heat insulation layer coated outside the cooling interlayer.

As another embodiment of the application, the upper end of the tank body is also provided with a vacuum port for connecting with a vacuum system.

As another embodiment of the application, the lateral wall of the tank body is also provided with two liquid level meters which are respectively positioned at the upper part and the lower part of the tank body.

As another embodiment of this application, the top of the jar body still is equipped with the drain, and the top of the jar body still is equipped with the manometer.

The utility model provides a falling liquid film receiving tank's beneficial effect lies in: compared with the prior art, the utility model provides a falling liquid film receiving tank sets up and cools off the jar body at the cooling intermediate layer of jar external portion, makes the liquid that gets into the jar body keep low temperature state, and the collection of the material of being convenient for has realized the effective receipt of material, has avoided the waste of material. To the gas of a small amount of condensation evaporation, utilize the condensation subassembly that jar body top set up to carry out further condensation, flow back to the bottom of the jar body behind for liquid with it liquefaction, improved the collection efficiency of liquid, avoided the waste of material, realized good receiving effect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic partial sectional structural view of a falling film receiving tank according to an embodiment of the present invention;

fig. 2 is a schematic front view of a falling film receiving tank according to an embodiment of the present invention;

FIG. 3 is a schematic view of a partial enlarged structure of I in FIG. 1;

fig. 4 is an enlarged schematic view of the condensing assembly of fig. 1.

Wherein, in the figures, the respective reference numerals:

1. a tank body; 11. a liquid inlet; 12. a liquid outlet; 13. a vacuum port; 14. a liquid level meter; 15. a vent port; 16. a pressure gauge; 2. cooling the interlayer; 21. a cooling water inlet pipe; 22. a cooling water outlet pipe; 23. a baffle; 3. a condensing assembly; 31. a condensing tank; 32. a serpentine tube; 33. an air inlet pipe; 34. a liquid discharge pipe; 35. a condensate inlet; 36. a condensate outlet; 4. a heat exchanger; 5. an insulating layer.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 4 together, the falling film receiving tank of the present invention will now be described. The falling film receiving tank comprises a tank body 1, a cooling interlayer 2 and a condensing assembly 3; a liquid inlet 11 connected with an outlet of the condenser is arranged at the top of the tank body 1, and a liquid outlet 12 is arranged at the bottom of the tank body 1; the cooling interlayer 2 is arranged around the outer side of the tank body 1 and extends upwards from the bottom of the tank body 1 to the upper part of the tank body 1; the upper part of the condensing assembly 3 is connected with the tank body 1 through an air inlet pipe 33, and the bottom part is connected with the tank body 1 through a liquid outlet pipe 34.

The utility model provides a pair of falling liquid film receiving tank compares with prior art, the utility model provides a falling liquid film receiving tank sets up and cools off at the cooling intermediate layer 2 of the external portion of jar body 1 to jar body 1, makes the liquid that gets into jar body 1 keep the low temperature state, and the collection of the material of being convenient for has realized the effective receipt of material, has avoided the waste of material. To the gas of a small amount of condensation evaporation, utilize the condensation subassembly 3 of jar body 1 top setting to carry out further condensation, flow back to jar bottom of body 1 behind the liquefaction for liquid with it, improved the collection efficiency of liquid, avoided the waste of material, realized good receiving effect.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1, fig. 2 and fig. 4, the condensing assembly 3 is connected to the heat exchanger 4, and the condensing assembly 3 is provided with a condensate inlet 35 connected to the outlet of the heat exchanger 4 and a condensate outlet 36 connected to the inlet of the heat exchanger 4. Condensation subassembly 3 links to each other with heat exchanger 4, heat exchanger 4 carries the lower condensate of temperature to condensate import 35 department, the condensate that the temperature risees is carried to heat exchanger 4 in from condensate export 36, utilize heat exchanger 4 to circulate the cooling to the condensate in condensation subassembly 3, utilize the lower condensate of temperature to cool down to the steam in condensation subassembly 3, make vapour further liquefy into liquid, realize the effect that the condensation was collected, the collection efficiency of steam has been improved effectively, the waste of material has been avoided.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 and 4, the condensing assembly 3 includes a condensing tank 31 and a coiled pipe 32; the main shaft of the condensation tank 31 extends in the up-down direction; the coil pipe 32 is disposed in the condensation tank 31 and is bent back and forth in the up-down direction, and the condensate inlet 35 and the condensate outlet 36 are disposed at both ends of the coil pipe 32, respectively.

In this embodiment, a coil pipe 32 for accommodating the condensate is disposed in the condensation tank 31, and after entering the condensation tank 31, the steam exchanges heat with the condensate in the coil pipe 32, so as to effectively cool the steam, so that the steam is cooled and liquefied into liquid. The main shaft of the condensing tank 31 extends in the vertical direction, steam is fed from the upper part of the condensing tank 31, and heat exchange is generated between the steam and the coiled pipe 32 in the downward conveying process, so that the steam is cooled and cooled, and the steam is fully liquefied into liquid and flows back to the tank body 1. The air inlet pipe 33 can be provided with an air pump, and under the action of the air pump, steam can be timely delivered to the condensation assembly 3, so that the condensation liquefaction process is realized.

The coiled pipe 32 reciprocates in the up-down direction, extends upwards to the highest point, bends to extend downwards, bends to extend upwards, and fully contacts with steam through the outer wall of the coiled pipe 32 to achieve effective condensation of the steam. The two ends of the coiled pipe 32 are connected with the external heat exchanger 4, condensate is fed into the coiled pipe 32 from the condensate inlet 35 and is discharged out of the coiled pipe 32 from the condensate outlet 36, and therefore the condensation effect of recycling the condensate in the coiled pipe 32 is achieved.

Referring to fig. 1 and 4, as a specific implementation manner of the embodiment of the present invention, a drain pipe 34 extends downward to the bottom of the tank body 1. The drain pipe 34 is provided at the bottom of the condensation tank 31, extends downward to above the inner bottom surface of the tank 1, and can sufficiently conduct the liquid to the bottom of the tank 1. When liquid is stored at the bottom of the tank body 1, the lower end of the liquid discharge pipe 34 extends to the position below the liquid level, so that the influence of steam on the liquid discharge of the liquid discharge pipe 34 is avoided.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 2, the bottom of the cooling interlayer 2 is connected to a cooling water inlet pipe 21, and the upper portion is connected to a cooling water outlet pipe 22. When carrying cooling water in to cooling interlayer 2, cooling water is sent into from cooling interlayer 2's bottom, and cooling water is carried to the cooling water outlet pipe department on upper portion from bottom to top and is discharged, can cool off the solution after the condensation in jar body 1, makes it keep liquid state, and the follow-up processing or the retrieval and utilization of collecting of being convenient for avoids the problem of volatilizing that follow-up temperature risees and cause.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 and fig. 3, a flow guide plate 23 spirally wound on the outside of the tank body 1 from bottom to top is arranged in the cooling interlayer 2. The cooling water gets into the back from cooling interlayer 2's bottom, and the water conservancy diversion effect through guide plate 23 is carried upwards from bottom to top, and the both sides edge of guide plate 23 is connected respectively on the outer wall of the jar body 1 and the inner wall of cooling layer, realizes the injecing to the cooling water flow direction, makes the cooling water carry in proper order upwards in the periphery spiral of the jar body 1, is convenient for carry out even cooling to each position of the periphery of the jar body 1, realizes comprehensive cooling effect.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 and 4, a heat insulation layer 5 coated outside the cooling interlayer 2 is further disposed on the outer wall of the tank body 1. For the cooling effect of make full use of cooling water, realize the abundant cooling to jar 1 inside, set up insulating layer 5 in the outside of jar body 1, avoid the thermal influence of external environment temperature to cooling intermediate layer 2 production, be convenient for keep the cooling water in the cooling intermediate layer 2 to be in the low temperature state, utilize the cooling effect of cooling water to guarantee the liquefaction state of jar 1 inside material of body, be convenient for effectively collect the material, avoid the waste of raw and other materials.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 2, a vacuum port 13 for connecting with a vacuum system is further disposed at the upper end of the tank body 1.

In this embodiment, the vacuum port 13 is arranged to be convenient for the tank body 1 to be in a vacuum state, so that the waste caused by the escape of steam to the outside and the influence on the surrounding environment are avoided, the sufficient liquefaction and collection of materials are ensured, and the utilization rate of the materials is improved.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, two level meters 14 are further disposed on the side wall of the tank body 1, and the two level meters 14 are respectively located at the upper portion and the lower portion of the tank body 1.

In this embodiment, still set up two level gauges 14 on jar body 1, two level gauges 14 are located jar upper portion and lower part of body 1 respectively for carry out real-time monitoring to the liquid level height of the inside liquid of jar body 1, be convenient for regularly carry out the emission of liquid through liquid outlet 12.

Further, referring to fig. 1 to 2, a vent 15 is further disposed at the top of the tank 1, so as to facilitate emptying of all materials in the tank 1 during maintenance, so as to facilitate maintenance and repair of the interior of the tank 1.

In addition, the pressure gauge 16 arranged at the top of the tank body 1 can constantly monitor the internal pressure of the tank body 1 to ensure that the pressure in the tank body 1 is constant, so that a stable material collecting effect is realized, and the collecting efficiency is improved.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A falling film receiving tank, comprising:

the top of the tank body is provided with a liquid inlet which is connected with the outlet of the condenser, and the bottom of the tank body is provided with a liquid outlet;

the cooling interlayer is arranged around the outer side of the tank body and extends upwards from the bottom of the tank body to the upper part of the tank body;

and the upper part of the condensation component is connected with the tank body through an air inlet pipe, and the bottom of the condensation component is connected with the tank body through a liquid discharge pipe.

2. The falling film receiving tank according to claim 1 wherein a heat exchanger is connected to the condensing assembly, and wherein the condensing assembly is provided with a condensate inlet connected to the outlet of the heat exchanger and a condensate outlet connected to the inlet of the heat exchanger.

3. The falling film receiving tank of claim 2, wherein the condensing assembly comprises:

a condensation tank, the main shaft extends along the up-and-down direction;

the coil pipe is arranged in the condensing tank and is bent in a reciprocating mode in the vertical direction, and the condensate inlet and the condensate outlet are respectively arranged at two ends of the coil pipe.

4. The falling film receiving tank of claim 3 wherein the liquid discharge pipe extends downwardly to the bottom of the tank body.

5. The falling film receiving tank according to any one of claims 1 to 4, wherein a cooling water inlet pipe is connected to the bottom of the cooling sandwich and a cooling water outlet pipe is connected to the upper part of the cooling sandwich.

6. The falling film receiving tank of claim 5 wherein a deflector is disposed within the cooling jacket that spirals from bottom to top outside the tank.

7. The falling film receiving tank according to claim 6, wherein the outer wall of said tank body is further provided with a heat insulating layer covering the outside of said cooling jacket.

8. The falling film receiving tank according to any one of claims 1 to 4, wherein the upper end of the tank body is further provided with a vacuum port for connection to a vacuum system.

9. The falling film receiving tank according to any one of claims 1 to 4, wherein two level gauges are further provided on the side wall of the tank body, the two level gauges being respectively located at the upper and lower portions of the tank body.

10. The falling film receiving tank according to any one of claims 1 to 4, wherein the tank body is further provided with a vent at the top and a pressure gauge at the top.