CN212974194U - Forced circulation evaporation system - Google Patents
Forced circulation evaporation system Download PDFInfo
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- CN212974194U CN212974194U CN202021191137.7U CN202021191137U CN212974194U CN 212974194 U CN212974194 U CN 212974194U CN 202021191137 U CN202021191137 U CN 202021191137U CN 212974194 U CN212974194 U CN 212974194U
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- forced circulation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/30—Accessories for evaporators ; Constructional details thereof
Abstract
The utility model relates to a forced circulation vaporization system, include: the gas-liquid separator is horizontally arranged, and is provided with a feed inlet, a feed liquid outlet and a secondary steam outlet; the circulating evaporator is horizontally arranged, the circulating evaporator and the gas-liquid separator are arranged side by side along the horizontal direction, a steam inlet, a feed liquid inlet and a discharge port are formed in the circulating evaporator, and the discharge port of the circulating evaporator is connected with a feed inlet of the gas-liquid separator; the inlet of the hot well is connected with the feed liquid outlet of the gas-liquid separator; and an inlet of the forced circulation pump is connected with an outlet of the hot well, and an outlet of the forced circulation pump is connected with a feed liquid inlet of the circulation evaporator. Above-mentioned forced circulation vaporization system, vapour and liquid separator and circulation evaporator are horizontal setting, have reduced forced circulation vaporization system's whole height, are convenient for transport, install and overhaul forced circulation vaporization system.
Description
Technical Field
The utility model relates to an evaporimeter technical field especially relates to a forced circulation vaporization system.
Background
The forced circulation evaporator is widely applied to evaporation, concentration and crystallization of water phase or organic phase solution in the industries of chemical engineering, light industry and the like. The forced circulation evaporator has good heat transfer effect and high evaporation efficiency, and can treat solution with high viscosity and easy scaling or crystallization. The forced circulation evaporator can evaporate redundant water in the solution, so that the density of the evaporated product meets the requirement specified by the industry, and the liquid level is kept from large fluctuation, thereby playing the role of stable production.
The structural design of the traditional forced circulation evaporator is unreasonable, and the traditional forced circulation evaporator is inconvenient to transport, install and overhaul.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a forced circulation evaporation system to solve the problems of the conventional technology.
A forced circulation evaporation system, comprising:
the horizontal gas-liquid separator is provided with a feed inlet, a feed liquid outlet and a secondary steam outlet;
the circulating evaporator is horizontally arranged, the circulating evaporator and the gas-liquid separator are arranged side by side along the horizontal direction, a steam inlet, a feed liquid inlet and a discharge port are formed in the circulating evaporator, and the discharge port of the circulating evaporator is connected with the feed inlet of the gas-liquid separator;
the inlet of the hot well is connected with the feed liquid outlet of the gas-liquid separator;
and an inlet of the forced circulation pump is connected with an outlet of the hot well, and an outlet of the forced circulation pump is connected with a feed liquid inlet of the circulation evaporator.
Above-mentioned forced circulation vaporization system, during the use, steam that external heat source produced gets into to the circulation evaporimeter in from steam inlet, forced circulation pump carries the feed liquid in the hot well to the circulation evaporimeter in, solution gets into and carries out the flash distillation in the vapour and liquid separator after carrying out the heat transfer in the circulation evaporimeter, dense fluid after the flash distillation flows into in the hot well, steam after the flash distillation is discharged from the secondary steam export, vapour and liquid separator and circulation evaporimeter are horizontal setting, and circulation evaporimeter and vapour and liquid separator set up side by side along the horizontal direction, forced circulation vaporization system's overall height has been reduced, be convenient for transport forced circulation vaporization system, installation and maintenance.
In one embodiment, the gas-liquid separator has a long cylindrical shape.
In one embodiment, the circulating evaporator is in the shape of a long cylinder.
In one embodiment, the two opposite ends of the gas-liquid separator are a flash evaporation end and a steam discharge end respectively, the feed inlet and the feed liquid outlet are both arranged at the flash evaporation end, and the secondary steam outlet is arranged at the steam discharge end.
In one embodiment, a first baffle plate and a second baffle plate are disposed in the gas-liquid separator, the first baffle plate and the second baffle plate are both disposed between the flash evaporation end and the steam discharge end, a first gap is formed between the first baffle plate and the bottom inner wall of the gas-liquid separator, the second baffle plate is spaced from the first baffle plate, and a second gap is formed between the second baffle plate and the top inner wall of the gas-liquid separator.
In one embodiment, a demister is further disposed in the gas-liquid separator, and the demister is disposed corresponding to the secondary steam outlet.
In one embodiment, the circulation evaporator is further provided with a steam condensate outlet, and the steam condensate outlet is arranged at the bottom of the steam condensate circulation evaporator.
In one embodiment, the circulation evaporator comprises a horizontally arranged shell and a heat exchange tube bundle installed in the shell, the shell and the gas-liquid separator are arranged in parallel at intervals along the horizontal direction, the steam inlet, the feed liquid inlet and the discharge port are all arranged on the shell, the inlet of the heat exchange tube bundle is connected with the feed liquid inlet, and the outlet of the heat exchange tube bundle is in butt joint with the discharge port.
In one embodiment, the system further comprises a horizontally arranged material passing pipe, the material passing pipe is arranged between the gas-liquid separator and the circulating evaporator, an inlet of the material passing pipe is connected with a discharge hole of the circulating evaporator, and an outlet of the material passing pipe is connected with a feed hole of the gas-liquid separator.
In one embodiment, the device further comprises a vertically arranged material conveying pipe, wherein the material conveying pipe is arranged between the circulation evaporator and the forced circulation pump, an inlet of the material conveying pipe is connected with an outlet of the forced circulation pump, and an outlet of the material conveying pipe is connected with the material liquid inlet of the circulation evaporator.
Drawings
Fig. 1 is a schematic structural view of a forced circulation evaporation system according to an embodiment of the present invention;
FIG. 2 is a top view of the forced circulation evaporation system of FIG. 1;
fig. 3 is a side view of the gas-liquid separator 10 in the forced circulation evaporation system shown in fig. 1, and the direction indicated by the arrow is the flow direction of the secondary steam.
The meaning of the reference symbols in the drawings is:
the device comprises a gas-liquid separator 10, a feed inlet 11, a feed liquid outlet 12, a secondary steam outlet 13, a flash evaporation end 14, a steam discharge end 15, a first baffle plate 16, a first gap 160, a second baffle plate 17, a second gap 170, a demister 18, a circulating evaporator 20, a steam inlet 21, a feed liquid inlet 22, a discharge outlet 23, a shell 24, a heat exchange tube bundle 25, a material passing pipe 30, a hot well 40, a forced circulation pump 50 and a material conveying pipe 60.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, 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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Please refer to fig. 1 to fig. 3, which illustrate a forced circulation evaporation system according to an embodiment of the present invention.
Referring to fig. 1 and 2, the forced circulation evaporation system includes a horizontally disposed gas-liquid separator 10, a horizontally disposed circulation evaporator 20, a hot well 40 and a forced circulation pump 50. The gas-liquid separator 10 is provided with a feed inlet 11, a feed liquid outlet 12 and a secondary steam outlet 13. The circulation evaporator 20 is disposed side by side with the gas-liquid separator 10 in the horizontal direction. The circulation evaporator 20 is provided with a steam inlet 21, a feed liquid inlet 22 and a discharge port 23, the steam inlet 21 is connected with an external heat source, that is, steam generated by the external heat source enters the circulation evaporator 20 from the steam inlet 21. The discharge port 23 of the circulation evaporator 20 is connected to the feed port 11 of the gas-liquid separator 10. The inlet of the hot well 40 is connected with the feed liquid outlet 12 of the gas-liquid separator 10, and the hot well 40 is used for storing the material stock solution and the circulating liquid after evaporation and concentration. The inlet of the forced circulation pump 50 is connected to the outlet of the hot well 40, and the outlet of the forced circulation pump 50 is connected to the feed liquid inlet 22 of the circulation evaporator 20.
Above-mentioned forced circulation vaporization system, during the use, steam that external heat source produced gets into in circulation evaporator 20 from steam inlet 21, simultaneously, forced circulation pump 50 carries the feed liquid in the hot-well 40 to circulation evaporator 20 in, the feed liquid gets into in vapour and liquid separator 10 and carries out the flash distillation after carrying out the heat transfer in circulation evaporator 20, the thick liquid after the flash distillation flows into in the hot-well 40, the flash distillation after the secondary steam is discharged from secondary steam export 13, vapour and liquid separator 10 and circulation evaporator 20 are horizontal setting, and circulation evaporator 20 sets up side by side along the horizontal direction with vapour and liquid separator 10, the whole height of forced circulation vaporization system has been reduced, be convenient for transport, installation and maintenance to forced circulation vaporization system.
In the present application, "connected" means that the two are connected and communicated with each other.
The gas-liquid separator 10 has a long cylindrical shape. Further, as shown in fig. 2 and fig. 3, the two opposite ends of the gas-liquid separator 10 are a flash evaporation end 14 and a vapor discharge end 15, respectively, the feed inlet 11 and the feed liquid outlet 12 are both disposed at the flash evaporation end 14, specifically, the feed inlet 11 is disposed at a side of the flash evaporation end 14 facing the circulation evaporator 20, and the feed liquid outlet 12 is disposed at a bottom of the flash evaporation end 14. The secondary steam outlet 13 is provided at the steam discharge end 15, in particular, the secondary steam outlet 13 is provided at the top of the steam discharge end 15.
Referring to fig. 3, in some embodiments, a first baffle plate 16 and a second baffle plate 17 are disposed in the gas-liquid separator 10, the first baffle plate 16 and the second baffle plate 17 are both disposed between the flash evaporation end 14 and the steam discharge end 15, a first gap 160 is formed between the first baffle plate 16 and the bottom inner wall of the gas-liquid separator 10, the second baffle plate 17 is disposed at an interval from the first baffle plate 16, a second gap 170 is formed between the second baffle plate 17 and the top inner wall of the gas-liquid separator 10, and the secondary steam generated from the flash evaporation end 14 flows to the steam discharge end 15 through the first gap 160 and the second gap 170, and is then discharged from the secondary steam outlet 13. The provision of the first and second baffles 16 and 17 facilitates the prolonged path of the secondary steam from the flash end 14 to the steam discharge end 15. Further, the number of the first baffle plates 16 is two or more, the number of the second baffle plates 17 is two or more, and the second baffle plates 17 are alternately arranged, i.e., the second gaps 170 and the first gaps 160 are alternately arranged, so as to further prolong the path of the steam flowing from the flash evaporation end 14 to the steam discharge end 15.
In some embodiments, a demister 18 is further disposed in the gas-liquid separator 10, the demister 18 is disposed between the feed port 11 and the secondary steam outlet 13, specifically, the demister 18 is disposed in the steam discharge end 15, and the demister 18 is disposed corresponding to the secondary steam outlet 13. The demister 18 serves to remove entrained droplets from the secondary vapor. Further, the demister 18 may be a wire mesh type demister or a scraper type demister.
Referring again to fig. 1 and 2, the circulating evaporator 20 is also in the shape of a long cylinder. Steam inlet 21 locates the top of circulation evaporator 20, and feed liquid inlet 22 locates the one end bottom that circulation evaporator 20 is close to flash evaporation end 14, and discharge gate 23 locates the one end lateral part that circulation evaporator 20 is close to flash evaporation end 14, and discharge gate 23 sets up towards vapour and liquid separator 10. The circulation evaporator 20 is further provided with a steam condensate outlet (not shown), the steam condensate outlet is arranged at the bottom of the circulation evaporator 20, and steam entering the circulation evaporator 20 from the steam inlet 21 and steam condensate generated after the feed liquid entering the feed liquid inlet 22 from the feed liquid inlet 22 is completely heated are discharged through the steam condensate outlet.
Specifically, circulation evaporator 20 includes horizontal casing 24 and the heat exchange tube bundle 25 of installing in casing 24 that sets up, casing 24 is long tube-shape, and casing 24 and vapour and liquid separator 10 set up along horizontal direction parallel interval, steam inlet 21 locates the top of casing 24, feed liquid inlet 22 locates the casing 24 and is close to the one end bottom of flash distillation end 14, discharge gate 23 locates the casing 24 and is close to the one end lateral part of flash distillation end 14, the bottom of casing 24 is located to the steam condensate export, heat exchange tube bundle 25's entry links to each other with feed liquid inlet 22, heat exchange tube bundle 25's export links to each other with discharge gate 23. During operation, steam enters the shell 24 from the steam inlet 21, meanwhile, the forced circulation pump 50 conveys the feed liquid in the hot well 40 into the heat exchange tube bundle 25, the feed liquid in the heat exchange tube bundle 25 exchanges heat with steam outside the heat exchange tube bundle 25, and the feed liquid after heat exchange enters the gas-liquid separator 10.
In some embodiments, the forced circulation evaporation system further includes a horizontally disposed material passing pipe 30, the material passing pipe 30 is disposed between the gas-liquid separator 10 and the circulation evaporator 20, the material passing pipe 30 is a straight pipe, the material passing pipe 30 is disposed along a horizontal direction perpendicular to the gas-liquid separator 10 and the circulation evaporator 20, an inlet of the material passing pipe 30 is connected to the discharge port 23 of the circulation evaporator 20, and an outlet of the material passing pipe 30 is connected to the feed port 11 of the gas-liquid separator 10, so that the material liquid after heat exchange in the circulation evaporator 20 flows into the gas-liquid separator 10 through the material passing pipe 30.
The hot well 40 is vertically arranged, and the hot well 40 is L-shaped. The hot well 40 is provided below the gas-liquid separator 10. The hot well 40 is also provided with a stock solution inlet, the stock solution inlet is arranged at the upper end part of the hot well 40, and the stock solution inlet is used for feeding stock solution of materials into the hot well 40.
The forced circulation pump 50 is provided below the circulation evaporator 20.
In some embodiments, the forced circulation evaporation system further comprises a vertical material delivery pipe 60, the material delivery pipe 60 is disposed between the circulation evaporator 20 and the forced circulation pump 50, the material delivery pipe 60 is a straight pipe, the material delivery pipe 60 is vertically disposed perpendicular to the circulation evaporator 20 and the forced circulation pump 50, an inlet of the material delivery pipe 60 is connected to an outlet of the forced circulation pump 50, and an outlet of the material delivery pipe 60 is connected to the material liquid inlet 22 of the circulation evaporator 20. It will be appreciated that the circulating evaporator 20 feeds the feed liquid in the hot well 40 to the circulating evaporator 20 via the feed pipe 60.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A forced circulation evaporation system, comprising:
the horizontal gas-liquid separator is provided with a feed inlet, a feed liquid outlet and a secondary steam outlet;
the circulating evaporator is horizontally arranged, the circulating evaporator and the gas-liquid separator are arranged side by side along the horizontal direction, a steam inlet, a feed liquid inlet and a discharge port are formed in the circulating evaporator, and the discharge port of the circulating evaporator is connected with the feed inlet of the gas-liquid separator;
the inlet of the hot well is connected with the feed liquid outlet of the gas-liquid separator;
and an inlet of the forced circulation pump is connected with an outlet of the hot well, and an outlet of the forced circulation pump is connected with a feed liquid inlet of the circulation evaporator.
2. The forced circulation evaporation system of claim 1, wherein the gas-liquid separator is a long cylinder, and/or the circulation evaporator is a long cylinder.
3. The forced circulation evaporation system of claim 1, wherein the opposite ends of the gas-liquid separator are a flash evaporation end and a steam discharge end, the feed inlet and the feed liquid outlet are both arranged at the flash evaporation end, and the secondary steam outlet is arranged at the steam discharge end.
4. The forced circulation evaporation system of claim 3, further comprising at least one of:
the feed inlet is positioned on one side of the flash evaporation end facing the circulating evaporator;
the feed liquid outlet is positioned at the bottom of the flash evaporation end;
the secondary steam outlet is located at the top of the steam discharge end.
5. The forced circulation evaporation system of claim 3, wherein a first baffle plate and a second baffle plate are disposed in the gas-liquid separator, the first baffle plate and the second baffle plate are both disposed between the flash evaporation end and the steam discharge end, a first gap is formed between the first baffle plate and the bottom inner wall of the gas-liquid separator, the second baffle plate is spaced apart from the first baffle plate, and a second gap is formed between the second baffle plate and the top inner wall of the gas-liquid separator.
6. The forced circulation evaporation system of claim 1, wherein a demister is further provided in the gas-liquid separator, and the demister is provided in correspondence with the secondary steam outlet.
7. The forced circulation evaporation system of claim 1, wherein the circulation evaporator further comprises a vapor condensate outlet, and the vapor condensate outlet is disposed at the bottom of the vapor condensate circulation evaporator.
8. The forced circulation evaporation system of claim 1, wherein the circulation evaporator comprises a horizontally disposed housing and a heat exchange tube bundle installed in the housing, the housing and the gas-liquid separator are horizontally disposed at intervals, the steam inlet, the feed liquid inlet and the discharge port are all disposed on the housing, an inlet of the heat exchange tube bundle is connected to the feed liquid inlet, and an outlet of the heat exchange tube bundle is in butt joint with the discharge port.
9. The forced circulation evaporation system of claim 1, further comprising a horizontally arranged material passing pipe, wherein the material passing pipe is arranged between the gas-liquid separator and the circulation evaporator, an inlet of the material passing pipe is connected with a discharge hole of the circulation evaporator, and an outlet of the material passing pipe is connected with a feed hole of the gas-liquid separator.
10. The forced circulation evaporation system of claim 1, further comprising a vertically disposed feed delivery pipe, said feed delivery pipe being disposed between said circulation evaporator and said forced circulation pump, an inlet of said feed delivery pipe being connected to an outlet of said forced circulation pump, an outlet of said feed delivery pipe being connected to said feed liquid inlet of said circulation evaporator.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021191137.7U CN212974194U (en) | 2020-06-23 | 2020-06-23 | Forced circulation evaporation system |
| PCT/CN2020/126113 WO2021258600A1 (en) | 2020-06-23 | 2020-11-03 | Forced circulation evaporation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021191137.7U CN212974194U (en) | 2020-06-23 | 2020-06-23 | Forced circulation evaporation system |
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| CN212974194U true CN212974194U (en) | 2021-04-16 |
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| CN202021191137.7U Active CN212974194U (en) | 2020-06-23 | 2020-06-23 | Forced circulation evaporation system |
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| CN (1) | CN212974194U (en) |
| WO (1) | WO2021258600A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114162893A (en) * | 2021-11-30 | 2022-03-11 | 华能营口热电有限责任公司 | Three-layer sleeve type desulfurization slurry flash evaporation heat extraction system and working method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10226516A (en) * | 1997-02-10 | 1998-08-25 | Mitsubishi Materials Corp | Salt producing device free from pitting and excellent in corrosion resistance |
| CN101391784B (en) * | 2007-09-19 | 2011-04-20 | 中国铝业股份有限公司 | Full forced circulation type evaporator |
| US8496787B2 (en) * | 2009-07-26 | 2013-07-30 | Michael John Lord | Method and apparatus for effluent free sea water desalination |
| CN201470134U (en) * | 2009-08-05 | 2010-05-19 | 威海市锅炉制造厂 | External-heating forced circulation vacuum evaporator |
| CN205164159U (en) * | 2015-11-25 | 2016-04-20 | 贵阳鑫泓工程技术有限公司 | A forced circulation evaporator for handling gas field water |
| CN207933083U (en) * | 2018-01-16 | 2018-10-02 | 广东闻扬环境科技有限公司 | horizontal forced circulation separator |
| CN210595335U (en) * | 2019-05-24 | 2020-05-22 | 天津恒脉机电科技股份有限公司 | High-concentration bamboo pulp black liquor forced evaporator |
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2020
- 2020-06-23 CN CN202021191137.7U patent/CN212974194U/en active Active
- 2020-11-03 WO PCT/CN2020/126113 patent/WO2021258600A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114162893A (en) * | 2021-11-30 | 2022-03-11 | 华能营口热电有限责任公司 | Three-layer sleeve type desulfurization slurry flash evaporation heat extraction system and working method thereof |
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| WO2021258600A1 (en) | 2021-12-30 |
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