CN103623601A - Forced-circulation evaporator - Google Patents
Forced-circulation evaporator Download PDFInfo
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- CN103623601A CN103623601A CN201310698433.4A CN201310698433A CN103623601A CN 103623601 A CN103623601 A CN 103623601A CN 201310698433 A CN201310698433 A CN 201310698433A CN 103623601 A CN103623601 A CN 103623601A
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Abstract
The invention relates to a forced-circulation evaporator. The forced-circulation evaporator is used for solving the problem that materials of a conventional forced-circulation evaporator easily block the inner part of a pipeline. The forced-circulation evaporator is characterized in that the lower part of a separator is provided with a discharging pipeline which is connected to a discharging pump; the discharging pipeline is also connected to a cyclone, the side tangential part and the upper part of the cyclone are both connected to the discharging pipeline through a pipeline, the pipeline circulation is formed between the discharging pipeline and the cyclone, and the bottom of the cyclone is connected to a material receiving device through the pipeline. The forced-circulation evaporator has the advantages that the cyclone is additionally arranged on the discharging pipeline, so that the concentration of liquid in the whole evaporator is relatively low; after the liquid passes through the cyclone during discharging, particles with heavy density outflow from a bottom flowing port, and liquid with light density returns from an overflow pipe, and when the liquid flows into the receiving device, the concentration is very high, thus the condition that the relatively high concentration of liquid in the pipeline in the earlier stage causes the blockage of the pipeline is avoided.
Description
Technical field
The present invention relates to a kind of separation equipment, be specifically related to a kind of forced-circulation evaporator.
Background technology
Forced-circulation evaporator forms fouling or produces crystallization for avoid the product seething with excitement on heating surface.For this reason, the flowing velocity in pipe must be high.When circulating fluid flows through heat exchanger, be heated, then when the pressure decreased of separator, partly evaporate, thus by liquid cools to the boiling temperature under should pressure.
China Patent No.: 201120054541.4 disclose a kind of forced circulation double effect evaporator, comprise one-level evaporimeter, first-class heat exchanger and secondary evaporimeter, secondary heat exchanger, and dual evaporation chamber is communicated with condenser, condenser bottom is provided with pans.Conventionally in order to allow the finished product purity of output improve, therefore can make ducted material concentration improve, but so, pipeline will be very likely blocked, or evaporimeter is inner imports and exports blockedly as far as possible, cyclic process is stopped.
Summary of the invention
In order to overcome the deficiency of background technology, the invention provides a kind of forced-circulation evaporator, the material that has mainly solved existing forced-circulation evaporator easily makes the problem of pipe interior obstruction.
The technical solution adopted in the present invention is: a kind of forced-circulation evaporator, comprise heater, separator and the circulation pipe that connects heater and separator, the bottom of described heater is provided with forced circulation pump, described separator top is provided with steam pipe, described separator bottom is provided with discharge pipe, and this discharge pipe is connected with discharging pump; On described discharge pipe, be also connected with cyclone, the tangential portion of side of this cyclone and the top of cyclone are all connected by pipeline with discharge pipe, between discharge pipe and cyclone, form pipeline circulation, described cyclone bottom is connected with material receiver by pipeline.
This forced-circulation evaporator is a kind of of single-action, economic benefits and social benefits, triple effect and quadruple effect; The steam pipe on last effect separator top is connected with a rear effect heater.
Between the top and discharge pipe of described cyclone, between the tangential portion of side and discharge pipe of cyclone, be all provided with check valve between two pipelines.
Steam pipe on last effect separator of this forced-circulation evaporator is connected with condenser, and this condenser is connected with Water in Condenser storage tank and condensate pump in turn; Steam in described steam pipe heater all with front effect after condenser connected; This evaporimeter is also provided with feed pump, and described feed pump is connected with the separator of the first effect by feed pipe, and the described feed pump other end connects feed end and clear water end, is also provided with material buffer tank between this feed end and feed pump; The separator of each effect connects by material pipe, and provides power source by circulating pump.
On described material buffer tank, be also connected with mother liquor tank and mother liquor pump.
Described material receiver is stiff still, and in this stiff still, with paddle, described stiff still bottom is connected with centrifuge.
Described cyclone comprises inner High Rotation Speed cylindrical cavity and superposed overflow pipe, and cylindrical cavity bottom is provided with underflow opening.
The invention has the beneficial effects as follows: owing to taking technique scheme, on discharge pipe, increased cyclone, make the strength of fluid of whole evaporimeter inside lower, in the time of discharging, after cyclone, particle (heavy density) flows out from underflow opening, and liquid (light density) refluxes from overflow pipe, while flowing to receiving system like this, concentration can be very large, avoided the interior strength of fluid of pipeline in early stage larger, thereby caused line clogging.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention one.
Fig. 2 is the structural representation of the embodiment of the present invention two.
Fig. 3 is the structural representation of the embodiment of the present invention three.
Fig. 4 is A place enlarged drawing.
In figure 1, heater; 2, separator; 3, circulation pipe; 4, forced circulation pump; 5, steam pipe; 6, discharge pipe; 7, discharging pump; 8, cyclone; 9, material receiver; 10, check valve; 11, condenser; 12, Water in Condenser storage tank; 13, condensate pump; 14, feed pump; 15, feed pipe; 16, material pipe; 17, circulating pump; 18, mother liquor tank; 19, mother liquor pump; 20, centrifuge; 21, an effect forced circulation device; 22, two effect forced circulation devices; 23 triple effect forced circulation devices.
The specific embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention is further illustrated:
Embodiment mono-
If Fig. 1 is in conjunction with as shown in Fig. 4, a kind of single-action forced-circulation evaporator, comprise heater 1, separator 2 and the circulation pipe 3 that connects heater 1 and separator 2, the bottom of described heater 1 is provided with forced circulation pump 4, described separator 2 tops are provided with steam pipe 5, described separator 2 bottoms are provided with discharge pipe 6, and this discharge pipe 6 is connected with discharging pump 7; On described discharge pipe 6, be also connected with cyclone 8, the tangential portion of side of this cyclone 8 and the top of cyclone 8 are all connected by pipeline with discharge pipe 6, between discharge pipe 6 and cyclone 8, form pipeline circulation, described cyclone 8 bottoms are connected with material receiver 9 by pipeline.
Between the top and discharge pipe 6 of described cyclone 8, between the tangential portion of side and discharge pipe 6 of cyclone 8, be all provided with check valve 10 between two pipelines.Guarantee to carry out in one direction pipeline circulation, avoid refluxing.
On described material buffer tank 15, be also connected with mother liquor tank 18 and mother liquor pump 19.
Described material receiver 9 is stiff still, and in this stiff still, with paddle, described stiff still bottom is connected with centrifuge 20.
Described cyclone comprises inner High Rotation Speed cylindrical cavity and superposed overflow pipe, and cylindrical cavity bottom is provided with underflow opening.
The course of work of this single-action forced-circulation evaporator is as follows: material and clear water are by feed pump 14, squeeze into separator 2, forced circulation pump 4 provides power, material is circulated between heater 1 and separator 2, and finished product is squeezed into cyclone 8 from separator 2 bottoms by discharging pump 7, after cyclone 8 centrifugal sedimentations, finished product concentration improves greatly, finally be transported in stiff still, avoided so the interior strength of fluid of pipeline in early stage larger, thereby caused line clogging.Meanwhile, steam and liquid foam mixture separate after entering vaporization chamber, and steam is discharged by top, and fluid is obstructed and falls, and are recycled pump 4 and suck, then enter heater 1 through conical lower section; When steam flows out from steam pipe 5, through condenser 11 liquefaction, also again flow into heater 1, so just can make cycle efficieny greatly improve, saved energy simultaneously.
Embodiment bis-
If Fig. 2 is in conjunction with as shown in Fig. 4, a kind of economic benefits and social benefits forced-circulation evaporator, comprise that an effect forced circulation device 21 and two effect forced circulation fill 22 and put, each effect EGR comprises heater 1, separator 2 and the circulation pipe 3 that connects heater 1 and separator 2, the bottom of described heater 1 is provided with forced circulation pump 4, one effect separator 2 tops are provided with steam pipe 5, this steam pipe is connected with two effect heaters, two described effect separator 2 bottoms are provided with discharge pipe 6, and this discharge pipe 6 is connected with discharging pump 7; On described discharge pipe 6, be also connected with cyclone 8, the tangential portion of side of this cyclone 8 and the top of cyclone 8 are all connected by pipeline with discharge pipe 6, between discharge pipe 6 and cyclone 8, form pipeline circulation, described cyclone 8 bottoms are connected with material receiver 9 by pipeline.
Between the top and discharge pipe 6 of described cyclone 8, between the tangential portion of side and discharge pipe 6 of cyclone 8, be all provided with check valve 10 between two pipelines.Guarantee to carry out in one direction pipeline circulation, avoid refluxing.
On described material buffer tank 15, be also connected with mother liquor tank 18 and mother liquor pump 19.
Described material receiver 9 is stiff still, and in this stiff still, with paddle, described stiff still bottom is connected with centrifuge 20.
Described cyclone comprises inner High Rotation Speed cylindrical cavity and superposed overflow pipe, and cylindrical cavity bottom is provided with underflow opening.
The course of work of this economic benefits and social benefits forced-circulation evaporator is as follows: material and clear water are squeezed into an effect separator by feed pump 14, after effect forced circulation device 21 circulations, circulating pump 17 is squeezed into two effect separators by material, after two effect forced circulation device 22 circulations, finished product is squeezed into cyclone 8 from separator 2 bottoms by discharging pump 7, after cyclone 8 centrifugal sedimentations, finished product concentration improves greatly, finally be transported in stiff still, avoid so the interior strength of fluid of pipeline in early stage larger, thereby caused line clogging.After steam in one effect separator and liquid foam mixture enter vaporization chamber, separate, steam is discharged by top steam pipe, and fluid is obstructed and falls, and is recycled pump and sucks, then enter an effect heater through conical lower section; Steam flows out from an effect steam pipe, and after two effect separators, the steam flowing out from two effect steam pipes also flows into an effect and two effect heaters again through condenser pipe 11 liquefaction, so just can make cycle efficieny greatly improve, and has saved energy simultaneously.
Embodiment tri-
If Fig. 3 is in conjunction with as shown in Fig. 4, for triple effect forced-circulation evaporator, comprise an effect forced circulation device 21, two effect forced circulation device 22 and triple effect forced circulation devices 23, each effect EGR comprises heater 1, separator 2 and the circulation pipe 3 that connects heater 1 and separator 2, the bottom of described heater 1 is provided with forced circulation pump 4, one effect separator 2 tops are provided with steam pipe 5, this steam pipe 5 is connected with two effect heaters, the steam pipe on two effect separator 2 tops is connected with triple effect heater, described triple effect separator 2 bottoms are provided with discharge pipe 6, this discharge pipe 6 is connected with discharging pump 7, on described discharge pipe 6, be also connected with cyclone 8, the tangential portion of side of this cyclone 8 and the top of cyclone 8 are all connected by pipeline with discharge pipe 6, between discharge pipe 6 and cyclone 8, form pipeline circulation, described cyclone 8 bottoms are connected with material receiver 9 by pipeline.
Between the top and discharge pipe 6 of described cyclone 8, between the tangential portion of side and discharge pipe 6 of cyclone 8, be all provided with check valve 10 between two pipelines.Guarantee to carry out in one direction pipeline circulation, avoid refluxing.
On described material buffer tank 15, be also connected with mother liquor tank 18 and mother liquor pump 19.
Described material receiver 9 is stiff still, and in this stiff still, with paddle, described stiff still bottom is connected with centrifuge 20.
Described cyclone comprises inner High Rotation Speed cylindrical cavity and superposed overflow pipe, and cylindrical cavity bottom is provided with underflow opening.
The course of work of this triple effect forced-circulation evaporator is as follows: material and clear water are squeezed into an effect separator by feed pump 14, after effect forced circulation device 21 circulations, circulating pump 17 is squeezed into two effect separators by material, after two effect forced circulation device 22 circulations, circulating pump 17 is squeezed into triple effect separator by material, after 23 circulations of triple effect forced circulation device, finished product is squeezed into cyclone 8 from separator 2 bottoms by discharging pump 7, after cyclone 8 centrifugal sedimentations, finished product concentration improves greatly, finally be transported in stiff still, avoided so the interior strength of fluid of pipeline in early stage larger, thereby cause line clogging.After steam in one effect separator and liquid foam mixture enter vaporization chamber, separate, steam is discharged by top steam pipe, and fluid is obstructed and falls, and is recycled pump and sucks, then enter an effect heater through conical lower section; Steam flows out from an effect steam pipe, after two effect separators and triple effect separator, the steam flowing out from triple effect steam pipe also flows into an effect and two effects, triple effect heater again through condenser pipe 11 liquefaction, so just can make cycle efficieny greatly improve, and has saved energy simultaneously.
Every technical staff's notice: although the present invention describes according to the above-mentioned specific embodiment, invention thought of the present invention is not limited in this invention, and the repacking of any utilization inventive concept, all will include in this patent scope of patent protection.
Claims (7)
1. a forced-circulation evaporator, comprise heater (1), separator (2) and the circulation pipe (3) that connects heater (1) and separator (2), the bottom of described heater (1) is provided with forced circulation pump (4), described separator (2) top is provided with steam pipe (5), it is characterized in that: described separator (2) bottom is provided with discharge pipe (6), and this discharge pipe (6) is connected with discharging pump (7); On described discharge pipe (6), be also connected with cyclone (8), the tangential portion of side of this cyclone (8) and the top of cyclone (8) are all connected by pipeline with discharge pipe (6), between discharge pipe (6) and cyclone (8), form pipeline circulation, described cyclone (8) bottom is connected with material receiver (9) by pipeline.
2. a kind of forced-circulation evaporator according to claim 1, is characterized in that: this forced-circulation evaporator is a kind of of single-action, economic benefits and social benefits, triple effect and quadruple effect; The steam pipe on last effect separator top is connected with a rear effect heater.
3. a kind of forced-circulation evaporator according to claim 1 and 2, is characterized in that: between the top of described cyclone (8) and discharge pipe (6), between the tangential portion of side and discharge pipe (6) of cyclone (8), be all provided with check valve (10) between two pipelines.
4. a kind of forced-circulation evaporator according to claim 1 and 2, it is characterized in that: the steam pipe on last effect separator of this forced-circulation evaporator is connected with condenser (11), and this condenser (11) is connected with Water in Condenser storage tank (12) and condensate pump (13) in turn; Steam in described steam pipe (5) heater (1) all with front effect after condenser (11) connected; This evaporimeter is also provided with feed pump (14), described feed pump (14) is connected with the separator of the first effect by feed pipe (15), described feed pump (14) other end connects feed end and clear water end, and this feed end and feed pump are also provided with material buffer tank between (14); The separator of each effect connects by material pipe (16), and provides power source by circulating pump (17).
5. a kind of forced-circulation evaporator according to claim 4, is characterized in that: on described material buffer tank, be also connected with mother liquor tank (18) and mother liquor pump (19).
6. a kind of forced-circulation evaporator according to claim 1, is characterized in that: described material receiver (9) is stiff still, and in this stiff still, with paddle, described stiff still bottom is connected with centrifuge (20).
7. a kind of forced-circulation evaporator according to claim 1 and 2, is characterized in that: described cyclone comprises inner High Rotation Speed cylindrical cavity and superposed overflow pipe, and cylindrical cavity bottom is provided with underflow opening.
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| CN201310698433.4A CN103623601B (en) | 2013-12-18 | 2013-12-18 | A kind of forced-circulation evaporator |
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| CN201310698433.4A CN103623601B (en) | 2013-12-18 | 2013-12-18 | A kind of forced-circulation evaporator |
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| CN103623601B CN103623601B (en) | 2015-08-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104162285A (en) * | 2014-07-31 | 2014-11-26 | 河南中原黄金冶炼厂有限责任公司 | Multiple-effect alternate evaporation system |
| CN108409019A (en) * | 2018-05-15 | 2018-08-17 | 济南云水腾跃环保科技有限公司 | Single-action forced-circulation evaporation system and its operation method for dangerous waste treatment fluid |
| CN110384943A (en) * | 2019-08-28 | 2019-10-29 | 深圳市冠融辰环保科技有限公司 | A kind of multiple-effect vacuum evaporator high temperature goes out the salt preventing clogging up device out of salt effect |
Citations (6)
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| US3192130A (en) * | 1960-02-08 | 1965-06-29 | Jr John E Pottharst | Forced circulation evaporator |
| US4120746A (en) * | 1975-01-07 | 1978-10-17 | Hooker Chemicals & Plastics Corp. | Multiple steam chest series flow evaporator |
| CN2350100Y (en) * | 1998-02-28 | 1999-11-24 | 皮介臣 | Four-way thermal cycle film high-efficiency evaporation device |
| CN102179057A (en) * | 2011-04-15 | 2011-09-14 | 常州大学 | Local forced circulation desalting method for multi-effect evaporating system |
| CN202909472U (en) * | 2012-11-20 | 2013-05-01 | 福建省建阳武夷味精有限公司 | Multi-effect evaporator system |
| CN203609886U (en) * | 2013-12-18 | 2014-05-28 | 温州环诺蒸发器有限公司 | Forced-circulation evaporator |
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2013
- 2013-12-18 CN CN201310698433.4A patent/CN103623601B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US3192130A (en) * | 1960-02-08 | 1965-06-29 | Jr John E Pottharst | Forced circulation evaporator |
| US4120746A (en) * | 1975-01-07 | 1978-10-17 | Hooker Chemicals & Plastics Corp. | Multiple steam chest series flow evaporator |
| CN2350100Y (en) * | 1998-02-28 | 1999-11-24 | 皮介臣 | Four-way thermal cycle film high-efficiency evaporation device |
| CN102179057A (en) * | 2011-04-15 | 2011-09-14 | 常州大学 | Local forced circulation desalting method for multi-effect evaporating system |
| CN202909472U (en) * | 2012-11-20 | 2013-05-01 | 福建省建阳武夷味精有限公司 | Multi-effect evaporator system |
| CN203609886U (en) * | 2013-12-18 | 2014-05-28 | 温州环诺蒸发器有限公司 | Forced-circulation evaporator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104162285A (en) * | 2014-07-31 | 2014-11-26 | 河南中原黄金冶炼厂有限责任公司 | Multiple-effect alternate evaporation system |
| CN108409019A (en) * | 2018-05-15 | 2018-08-17 | 济南云水腾跃环保科技有限公司 | Single-action forced-circulation evaporation system and its operation method for dangerous waste treatment fluid |
| CN110384943A (en) * | 2019-08-28 | 2019-10-29 | 深圳市冠融辰环保科技有限公司 | A kind of multiple-effect vacuum evaporator high temperature goes out the salt preventing clogging up device out of salt effect |
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| CN103623601B (en) | 2015-08-26 |
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Address after: 325400 Zhenglou Industrial Zone, Wanquan Town, Pingyang County, Wenzhou City, Zhejiang Province Patentee after: Zhejiang central Connaught environmental Polytron Technologies Inc Address before: 325400 Zhenglou Industrial Zone, Wanquan Town, Pingyang County, Wenzhou City, Zhejiang Province Patentee before: WENZHOU HUANNUO EVAPORATOR CO., LTD. |
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Denomination of invention: Forced-circulation evaporator Effective date of registration: 20200630 Granted publication date: 20150826 Pledgee: China Minsheng Banking Corp Wenzhou branch Pledgor: ZHEJIANG VNOR ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2020330000416 |