阅读说明：本技术 一种智能化新型环保节能多效蒸发器 (Intelligent novel environment-friendly energy-saving multi-effect evaporator ) 是由 沈必亮 王晓春 姚文亮 何一军 丁学良 于 2020-04-23 设计创作，主要内容包括：本发明公开了一种智能化新型环保节能多效蒸发器,包括第一蒸发器和第二蒸发器,所述第一蒸发器的顶部连通有进液管,所述第一蒸发器和第二蒸发器内壁两侧之间的顶部均设置有料液分布器,两个所述料液分布器的底部均设置有降膜管,所述第一蒸发器的一侧设置有第一蒸汽管,所述第一蒸发器另一侧的底部连通有出液管,本发明涉及二效蒸发器技术领域。该智能化新型环保节能多效蒸发器通过循环泵和回液管等装置的设置,能够将第二蒸发器的浓缩液泵回第一蒸发器进行再蒸发,以时料液的浓度达到加工要求,从而无需第三以及第四蒸发器,达到节约成本的目的,并且符合环保节能的要求。(The invention discloses an intelligent novel environment-friendly energy-saving multi-effect evaporator which comprises a first evaporator and a second evaporator, wherein the top of the first evaporator is communicated with a liquid inlet pipe, liquid distributors are arranged on the top between two sides of the inner wall of the first evaporator and the inner wall of the second evaporator, film falling pipes are arranged at the bottoms of the two liquid distributors, a first steam pipe is arranged at one side of the first evaporator, and a liquid outlet pipe is communicated with the bottom of the other side of the first evaporator. This intelligent novel environmental protection and energy saving multi-effect evaporator passes through the setting of devices such as circulating pump and return liquid pipe, can return the concentrate pump of second evaporimeter to first evaporimeter and carry out the evaporation again to the concentration of feed liquid reaches the processing requirement in time, thereby need not third and fourth evaporimeter, reaches the purpose of practicing thrift the cost, and accord with environmental protection and energy saving's requirement.)

1. The utility model provides a novel intelligent environmental protection and energy saving multi-effect evaporator, includes first evaporimeter (1) and second evaporimeter (2), its characterized in that: the top intercommunication of first evaporimeter (1) has feed liquor pipe (3), top between first evaporimeter (1) and second evaporimeter (2) inner wall both sides all is provided with material liquid distributor (6), two the bottom of material liquid distributor (6) all is provided with falls membrane pipe (7), one side of first evaporimeter (1) is provided with first steam pipe (5), the bottom intercommunication of first evaporimeter (1) opposite side has drain pipe (8), drain pipe (8) are located the outside one end intercommunication of first evaporimeter (1) and have drain pump (9) water outlet end intercommunication has catheter (10), the other end of catheter (10) is observed second evaporimeter (2) and is extended to the inside of second evaporimeter (2), one side intercommunication of first evaporimeter (1) has exhaust tube (11), the outside one end intercommunication that exhaust tube (11) are located first evaporimeter (1) has first pump (12) The air outlet end of the first air pump (12) is communicated with a second steam pipe (13), the bottom of one side of the second evaporator (2) is communicated with a circulating pipe (14), one end, located outside the second evaporator (2), of the circulating pipe (14) is communicated with a circulating pump (15), the water outlet end of the circulating pump (15) is communicated with a liquid return pipe (16), and the other end of the liquid return pipe (16) is communicated with the top of the first evaporator (1).

2. The intelligent novel environment-friendly energy-saving multi-effect evaporator as claimed in claim 1, wherein: the utility model discloses a material distributor, including first evaporimeter (1) and second evaporimeter (2) the equal fixedly connected with of inner wall fixed frame (25), two the equal fixedly connected with of inner wall of fixed frame (25) fixed ring (26), two the top of fixed ring (26) and the bottom swing joint of material liquid distributor (6), and two sealing washer (27) are all installed to the inner wall of fixed frame (25).

3. The intelligent novel environment-friendly energy-saving multi-effect evaporator as claimed in claim 1, wherein: the bottom intercommunication of feed liquid distributor (6) has distributing pipe (28), the fixed surface of distributing pipe (28) is connected with sealing plug (29), the surface of sealing plug (29) with fall the top joint of membrane pipe (7) inner wall, the fixed surface that falls membrane pipe (7) is connected with fixed plate (24), the week side of fixed plate (24) and the inner wall fixed connection of first evaporimeter (1).

4. The intelligent novel environment-friendly energy-saving multi-effect evaporator as claimed in claim 1, wherein: one side intercommunication of second evaporimeter (2) has connecting pipe (18), the other end intercommunication of connecting pipe (18) has second aspiration pump (19), the end intercommunication of giving vent to anger of second aspiration pump (19) has outlet duct (20), the other end intercommunication of outlet duct (20) has condenser box (21), heat exchange assemblies (22) are all installed to top and bottom between condenser box (21) inner wall both sides, the bottom intercommunication of condenser box (21) has blast pipe (23).

5. The intelligent novel environment-friendly energy-saving multi-effect evaporator as claimed in claim 1, wherein: the inner walls of the first evaporator (1) and the second evaporator (2) are fixedly connected with diffusion frames (4), and one sides of the diffusion frames (4) are communicated with one ends of a first steam pipe (5) and a second steam pipe (13) respectively.

6. The intelligent novel environment-friendly energy-saving multi-effect evaporator as claimed in claim 1, wherein: the bottoms of the first evaporator (1) and the second evaporator (2) are respectively communicated with a first concentrated liquid pipe (17) and a second concentrated liquid pipe (30).

Technical Field

The invention relates to the technical field of double-effect evaporators, in particular to an intelligent novel environment-friendly energy-saving multi-effect evaporator.

Background

The two-effect evaporator is designed by an evaporator manufacturer in the congjingliang mode, gas and liquid are separated by utilizing a boiling heat transfer process, and meanwhile, heat generated by steam is reused for carrying out evaporation concentration or evaporation crystallization on the next effect.

However, the general two-effect evaporator can only treat the crystal water with higher concentration, once the concentration of the treated crystal water is lower, the treatment degree of the concentrated solution obtained in the second effect is not enough, and the processing requirement cannot be met, and the material liquid distributor of the general two-effect evaporator is difficult to disassemble and replace and clean, so that the use of the evaporator is influenced.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an intelligent novel environment-friendly energy-saving multi-effect evaporator, which solves the problems that a common dual-effect evaporator can only treat crystal water with higher concentration, and once the concentration of the treated crystal water is lower, the treatment degree of the concentrated solution obtained in the second effect is not enough, and the processing requirement cannot be met.

In order to achieve the purpose, the invention is realized by the following technical scheme: an intelligent novel environment-friendly energy-saving multi-effect evaporator comprises a first evaporator and a second evaporator, wherein the top of the first evaporator is communicated with a liquid inlet pipe, liquid distributors are arranged at the tops between the two sides of the inner wall of the first evaporator and the two sides of the inner wall of the second evaporator, film falling pipes are arranged at the bottoms of the two liquid distributors, a first steam pipe is arranged at one side of the first evaporator, a liquid outlet pipe is communicated with the bottom of the other side of the first evaporator, one end of the liquid outlet pipe, which is positioned outside the first evaporator, is communicated with a liquid guide pump, the water outlet end of the liquid guide pump is communicated with a liquid guide pipe, the other end of the liquid guide pipe is used for observing the second evaporator and extends into the second evaporator, one side of the first evaporator is communicated with an air exhaust pipe, one end of the air exhaust pipe, which is positioned outside the first evaporator, is communicated with a first air exhaust pump, the air outlet end of the first air exhaust pump is communicated with a second steam, the bottom of one side of the second evaporator is communicated with a circulating pipe, one end of the circulating pipe, which is positioned outside the second evaporator, is communicated with a circulating pump, the water outlet end of the circulating pump is communicated with a liquid return pipe, and the other end of the liquid return pipe is communicated with the top of the first evaporator.

Further, the fixed frame of the equal fixedly connected with of first evaporimeter and second evaporimeter inner wall, two the solid fixed ring of the equal fixedly connected with of inner wall of fixed frame, two gu fixed ring's top and the bottom swing joint of feed liquid distributor, and two the sealing washer is all installed to the inner wall of fixed frame.

Further, the bottom intercommunication of feed liquid distributor has the distribution pipe, the fixed surface of distribution pipe is connected with the sealing plug, the surface of sealing plug and the top joint of falling the membrane intraductal wall, the fixed surface of falling the membrane pipe is connected with the fixed plate, the week side of fixed plate and the inner wall fixed connection of first evaporimeter.

Furthermore, one side of the second evaporator is communicated with a connecting pipe, the other end of the connecting pipe is communicated with a second air pump, an air outlet end of the second air pump is communicated with an air outlet pipe, the other end of the air outlet pipe is communicated with a condensing box, heat exchange assemblies are mounted at the top and the bottom between two sides of the inner wall of the condensing box, and an exhaust pipe is communicated with the bottom of the condensing box.

Furthermore, the inner walls of the first evaporator and the second evaporator are fixedly connected with diffusion frames, and one sides of the two diffusion frames are respectively communicated with one ends of the first steam pipe and the second steam pipe.

Furthermore, the bottoms of the first evaporator and the second evaporator are respectively communicated with a first concentrated liquid pipe and a second concentrated liquid pipe.

Compared with the prior art, the invention has the beneficial effects that:

(1) this intelligent novel environmental protection and energy saving multi-effect evaporator, through the setting of devices such as circulating pump and liquid return pipe, can return the concentrate pump of second evaporimeter to first evaporimeter and evaporate again, so that the concentration of feed liquid reaches the processing requirement, thereby need not third and fourth evaporimeter, reach the purpose of practicing thrift the cost, and accord with environmental protection and energy saving's requirement, again through the setting of fixed frame, make the convenient dismantlement of feed liquid distributor, thereby make things convenient for the feed liquid distributor to change.

(2) This intelligent novel environmental protection and energy saving multi-effect evaporator, through the setting of sealing plug and distribution pipe for the feed liquid distributor is convenient and falling liquid film union coupling and disconnection, thereby need not to dismantle when more change feed liquid distributor and fall the membrane pipe, further makes the convenient dismantlement of feed liquid distributor, and the diffusion frame can reduce the speed when steam gets into first evaporimeter and second evaporimeter, increases hot steam and falls the contact time of membrane pipe, thereby guarantees evaporation efficiency.

Drawings

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

FIG. 2 is a schematic top view of the fixing frame of the present invention;

figure 3 is a schematic view of the sectional structure of the fixed frame according to the invention;

FIG. 4 is a schematic structural diagram of a feed distributor according to the present invention;

fig. 5 is a schematic top view of the heat exchange assembly of the present invention.

In the figure: 1-a first evaporator, 2-a second evaporator, 3-a liquid inlet pipe, 4-a diffusion frame, 5-a first steam pipe, 6-a material liquid distributor, 7-a membrane lowering pipe, 8-a liquid outlet pipe, 9-a liquid guide pump, 10-a liquid guide pipe, 11-an air suction pipe, 12-a first air suction pump, 13-a second steam pipe, 14-a circulation pipe and 15-a circulation pump, 16-liquid return pipe, 17-first concentrated liquid pipe, 18-connecting pipe, 19-second air pump, 20-air outlet pipe, 21-condensation box, 22-heat exchange component, 23-air outlet pipe, 24-fixing plate, 25-fixing frame, 26-fixing ring, 27-sealing ring, 28-distributing pipe, 29-sealing plug and 30-second concentrated liquid pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an intelligent novel environment-friendly energy-saving multi-effect evaporator comprises a first evaporator 1 and a second evaporator 2, wherein the first evaporator 1 and the second evaporator 2 can be opened on the surface, the top of the first evaporator 1 is communicated with a liquid inlet pipe 3, the top between the two sides of the inner walls of the first evaporator 1 and the second evaporator 2 is provided with a material-liquid distributor 6, the bottoms of the two material-liquid distributors 6 are provided with a film-reducing pipe 7, one side of the first evaporator 1 is provided with a first steam pipe 5, the bottom of the other side of the first evaporator 1 is communicated with a liquid outlet pipe 8, one end of the liquid outlet pipe 8, which is positioned outside the first evaporator 1, is communicated with a liquid guide pump 9, the water outlet end of the liquid guide pump 9 is communicated with a liquid guide pipe 10, the other end of the liquid guide pipe 10, which is used for observing the second evaporator 2 and extending into the second evaporator 2, one side of the first evaporator 1 is communicated with an air exhaust pipe 11, one end of the air exhaust pipe 11, which is positioned outside the first evaporator 1, is communicated, the air outlet end of the first air pump 12 is communicated with a second steam pipe 13, the bottom of one side of the second evaporator 2 is communicated with a circulating pipe 14, one end of the circulating pipe 14, which is positioned outside the second evaporator 2, is communicated with a circulating pump 15, the water outlet end of the circulating pump 15 is communicated with a liquid return pipe 16, the other end of the liquid return pipe 16 is communicated with the top of the first evaporator 1, one side of the second evaporator 2 is communicated with a connecting pipe 18, the other end of the connecting pipe 18 is communicated with a second air pump 19, the air outlet end of the second air pump 19 is communicated with an air outlet pipe 20, the other end of the air outlet pipe 20 is communicated with a condensing box 21, heat exchange components 22 are respectively arranged at the top and the bottom between two sides of the inner wall of the condensing box 21, the bottom of the condensing box 21 is communicated with an air outlet pipe 23, feed liquid enters the first evaporator 1 from the liquid inlet pipe 3, uniformly and isobarically enters the membrane lowering pipe 7 after being distributed by the feed liquid device 6, and, the surface of the falling film pipe 7 is heated so as to evaporate the feed liquid in the falling film pipe 7, then the feed liquid which is not completely evaporated falls to the bottom of the first evaporator 1, the feed liquid which is not completely evaporated is guided into the top of the second evaporator 2 through the liquid guide pump 9 to enter the second evaporator 2, meanwhile, the first air pump 12 introduces water vapor and hot vapor into the second evaporator 2 through the second steam pipe 13, the feed liquid which is not completely evaporated is evaporated again, the feed liquid which is subjected to secondary evaporation falls to the bottom of the second evaporator 2, the water vapor and the hot vapor are pumped into the condensation box 21 through the second air pump 19, the water vapor is condensed and liquefied into water through the heat exchange component 21, other gaseous molecules are discharged out of the condensation box 21 through the exhaust pipe 23, whether the concentration of the feed liquid in the second evaporator 2 meets the requirement is detected again, the feed liquid which does not meet the requirement is pumped back to the first evaporator 1 to be re-evaporated according to the first step operation, the concentration of the feed liquid meets the requirement, so that the concentration of the feed liquid meets the processing requirement, a third evaporator and a fourth evaporator are not needed, the purpose of saving cost is achieved, and the requirements of environmental protection and energy saving are met.

The bottoms of the first evaporator 1 and the second evaporator 2 are respectively communicated with a first concentrated liquid pipe 17 and a second concentrated liquid pipe 30, the bottoms of the first evaporator 1 and the second evaporator 2 are respectively provided with the first concentrated liquid pipe 17 and the second concentrated liquid pipe 30, and the concentration of the feed liquid can be detected and the concentrated liquid can be discharged at any time.

The fixed frame 25 of the equal fixedly connected with of 2 inner walls of first evaporimeter 1 and second evaporimeter, the solid fixed ring 26 of the equal fixedly connected with of inner wall of two fixed frames 25, the top of two solid fixed ring 26 and the bottom swing joint of feed liquid distributor 6 make things convenient for feed liquid distributor 6 to dismantle to make things convenient for feed liquid distributor 6 to wash and change, and sealing washer 27 is all installed to the inner wall of two fixed frames 25, guarantees the leakproofness of the 6 top of feed liquid distributor and bottom.

The bottom intercommunication of feed liquid distributor 6 has distribution pipe 28, distribution pipe 28's fixed surface is connected with sealing plug 29, sealing plug 29's surface and the top joint of falling liquid film pipe 7 inner wall, the fixed surface of falling liquid film pipe 7 is connected with fixed plate 24, the week side of fixed plate 24 and the inner wall fixed connection of first evaporimeter 1, setting through sealing plug 29 and distribution pipe 28, make feed liquid distributor 6 conveniently be connected and the disconnection with falling liquid film pipe 7, thereby need not to dismantle when more material liquid distributor 6 and fall membrane pipe 7, further make feed liquid distributor 7 convenient dismantlement.

The equal fixedly connected with diffusion frame 4 of inner wall of first evaporimeter 1 and second evaporimeter 2, one side of two diffusion frames 4 respectively with the one end intercommunication of first steam pipe 5 and second steam pipe 13, diffusion frame 4 can reduce the speed when steam gets into first evaporimeter 1 and second evaporimeter 2, increases the contact time of hot steam and falling liquid film pipe 7 to guarantee evaporation efficiency.

During operation, feed liquid enters the first evaporator 1 from the liquid inlet pipe 3, uniformly and isobarically enters the falling film pipe 7 after being distributed by the feed liquid distributor 6, meanwhile, hot steam enters the diffusion frame 4 and the inside of the first evaporator 1 through the first steam pipe 5, the surface of the falling film pipe 7 is heated so as to evaporate the feed liquid in the falling film pipe 7, then the feed liquid which is not completely evaporated falls to the bottom of the first evaporator 1, the feed liquid which is not completely evaporated is guided into the top of the second evaporator 2 through the liquid guide pump 9 to enter the second evaporator 2, meanwhile, the first air suction pump 12 introduces the steam and the hot steam into the inside of the second evaporator 2 through the second steam pipe 13, the feed liquid which is not completely evaporated is re-evaporated, the feed liquid which is subjected to secondary evaporation falls into the bottom of the second evaporator 2, the steam and the hot steam are pumped into the condensation box 21 through the second air suction pump 19, the steam is condensed and liquefied into water through the heat exchange assembly 21, outside other gaseous state molecules pass through exhaust pipe 23 discharge condensing box 21, then whether the concentration of the interior feed liquid of second evaporimeter 2 meets the requirements, do not meet the requirements and pump back first evaporimeter 1 again and carry out the reevaporation according to first step of operation for the concentration of feed liquid reaches the requirement, the bottom of first evaporimeter 1 and second evaporimeter 2 is equipped with first concentrated liquid pipe 17 and second concentrated liquid pipe 30 respectively, can carry out concentration detection and discharge concentrate to the feed liquid at any time.

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.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.