CN103900419A - Cleaning method for three-effect three-section forced outside cycle concentration evaporator - Google Patents
Cleaning method for three-effect three-section forced outside cycle concentration evaporator Download PDFInfo
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- CN103900419A CN103900419A CN201210587989.1A CN201210587989A CN103900419A CN 103900419 A CN103900419 A CN 103900419A CN 201210587989 A CN201210587989 A CN 201210587989A CN 103900419 A CN103900419 A CN 103900419A
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Abstract
The invention relates to a cleaning method for a three-effect three-section forced outside cycle concentration evaporator. The cleaning method is used for cleaning three-effect multi-level evaporators. The cleaning method comprises the following steps that (1) materials in a double-effect evaporator and materials in a triple-effect evaporator are conveyed to a beating storage tank arranged at the front end of the three-effect three-section forced outside cycle concentration evaporator; (2) after the materials in the double-effect evaporator and the materials in the triple-effect evaporator are thoroughly discharged, water is added to the double-effect evaporator and the triple-effect evaporator, materials are concentrated in a single-effect evaporator at the moment, and the concentrated materials are discharged; (3) cleaning of the double-effect evaporator and the triple-effect evaporator begins, and after the materials in the single-effect evaporator are discharged, the materials in the bearing storage tank are conveyed to the single-effect evaporator to be concentrated; (4) after cleaning of the double-effect evaporator and the triple-effect evaporator is accomplished, and the materials in the single-effect evaporator are discharged, the single-effect evaporator is cleaned. Compared with the prior art, the cleaning method for the three-effect three-section forced outside cycle concentration evaporator has the advantages that the process is simple, efficiency is improved, and the materials are saved.
Description
Technical field
The present invention relates to a kind of cleaning method of concentration and evaporation machine, especially relate to three sections of a kind of triple effects and force outer circulation concentration evaporator cleaning method.
Background technology
At the beginning of three sections of pressure outer circulation concentration evaporators of triple effect clean, be first the material in evaporimeter to be transported to two effects by triple effect, finally to an effect, be then concentrated to and set concentration discharging at an effect material, after finally adding water, circulating-heating cleans.In actual production process, because evaporimeter is larger, container is very large, the material that every effect stores is a lot, especially two, the material that stores of triple effect is more, and two, that triple effect material concentration and is imitated concentration difference is very large, two, triple effect material is in an effect material conveying process, the liquid level of one effect will arrive rated value very soon, and an effect concentration will decline very soon.Will extend like this discharge time, increase scavenging period.Due in these fruit process, produce that to squeeze season shorter, the input of manufacturer every day is all in hundreds of thousands unit, the time is of great value, shorten scavenging period with boost productivity extremely important.
Summary of the invention
Object of the present invention be exactly provide in order to overcome the defect that above-mentioned prior art exists a kind of flow process simple, raise the efficiency, save three sections of the triple effects of material and force outer circulation concentration evaporator cleaning methods.
Object of the present invention can be achieved through the following technical solutions:
A cleaning method for three sections of pressure outer circulation concentration evaporators of triple effect, for cleaning triple effect multi-stage evaporator, the method comprises the following steps:
(1) by the mass transport in 2nd effect evaporator and triple effect evaporator in the making beating storage tank of evaporimeter front end;
(2) material in 2nd effect evaporator and triple effect evaporator emptying after, in 2nd effect evaporator and triple effect evaporator, add water, now concentrated material by the material discharging having concentrated of 1st effective evaporator;
(3) start to clean 2nd effect evaporator and triple effect evaporator, after the material of 1st effective evaporator is discharged, mass transport to the 1st effective evaporator in making beating storage tank is concentrated;
(4), after 2nd effect evaporator and triple effect evaporator have cleaned, after 1st effective evaporator is discharged material, 1st effective evaporator is cleaned.
In the time that 1st effective evaporator, 2nd effect evaporator or triple effect evaporator are cleaned, 1st effective evaporator, 2nd effect evaporator or triple effect evaporator are heated, strengthen cleaning performance.
Compared with prior art, the present invention has the following advantages:
First: in the time of 2nd effect evaporator, the low liquid level termination of pumping of triple effect evaporator, the material in 2nd effect evaporator, triple effect evaporator also has a lot, transports material in the making beating storage tank of leading portion, like this can be rapidly that material is emptying, save material, avoid waste.
Second: after 2nd effect evaporator, triple effect evaporator are emptying, at this moment, moisturizing rapidly, has so just saved the time, has improved efficiency.
The the 3rd: after 2nd effect evaporator, triple effect evaporator moisturizing, start wash cycles, at this moment, 1st effective evaporator concentrates last material, 2nd effect evaporator, triple effect evaporator are in cleaning, and 1st effective evaporator, simultaneously in concentrated discharging, has improved efficiency greatly.
Brief description of the drawings
Fig. 1 is the process chart of existing cleaning;
Fig. 2 is the process chart of cleaning method of the present invention.
In figure, 1 is 1st effective evaporator, and 2 is 2nd effect evaporator, and 3 is triple effect evaporator, and 4 is making beating storage tank, and 5 is compression pump, and A is water, and B is material.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Comparative example
As shown in Figure 1, three sections of triple effects force outer circulation concentration evaporators at the beginning of cleaning be first by the mass transport in triple effect evaporator 3 in 2nd effect evaporator 2, then the material of 2nd effect evaporator 2 is transported in 1st effective evaporator 1 again, then in 1st effective evaporator 1, material is concentrated to sets concentration discharging, and after finally adding water, circulating-heating cleans.Because evaporimeter is larger, container is very large, the material that every effect stores is many, especially 2nd effect evaporator 2 is more with the material that triple effect evaporator 3 stores, and the material concentration in 2nd effect evaporator 2 and triple effect evaporator 3 and the material concentration in 1st effective evaporator 1 widely different, material in 2nd effect evaporator 2 and triple effect evaporator 3 is in 1st effective evaporator 1 course of conveying, and the liquid level of 1st effective evaporator 1 will arrive rated value very soon, and the interior material concentration of 1st effective evaporator 1 will decline very soon.Will extend like this discharge time, increase scavenging period.
Embodiment
A cleaning method for three sections of pressure outer circulation concentration evaporators of triple effect, for cleaning triple effect multi-stage evaporator, as shown in Figure 2, the method comprises the following steps:
(1) 2nd effect evaporator 2 is transported in the making beating storage tank 4 of evaporimeter front end with the material B in triple effect evaporator 3;
(2) after 2nd effect evaporator 2 and material in triple effect evaporator 3 are emptying, to the A that adds water in 2nd effect evaporator 2 and triple effect evaporator 3, now concentrated material B by the material B discharging having concentrated of 1st effective evaporator 1;
(3) start to clean 2nd effect evaporator 2 and triple effect evaporator 3, after the material B of 1st effective evaporator 1 discharges, the material B in making beating storage tank 4 is delivered to 1st effective evaporator 1 by centrifugal pump 5 and concentrates;
(4) after 2nd effect evaporator 2 and triple effect evaporator 3 have cleaned, after 1st effective evaporator 1 is discharged material B, 1st effective evaporator 1 is cleaned.
In the time that 1st effective evaporator 1,2nd effect evaporator 2 or triple effect evaporator 3 are cleaned, 1st effective evaporator 1,2nd effect evaporator 2 or triple effect evaporator 3 are heated, strengthen cleaning performance.
Claims (2)
1. a cleaning method for three sections of pressure outer circulation concentration evaporators of triple effect, for cleaning triple effect multi-stage evaporator, is characterized in that, the method comprises the following steps:
(1) by the mass transport in 2nd effect evaporator and triple effect evaporator in the making beating storage tank of evaporimeter front end;
(2) material in 2nd effect evaporator and triple effect evaporator emptying after, in 2nd effect evaporator and triple effect evaporator, add water, now concentrated material by the material discharging having concentrated of 1st effective evaporator;
(3) start to clean 2nd effect evaporator and triple effect evaporator, after the material of 1st effective evaporator is discharged, mass transport to the 1st effective evaporator in making beating storage tank is concentrated;
(4), after 2nd effect evaporator and triple effect evaporator have cleaned, after 1st effective evaporator is discharged material, 1st effective evaporator is cleaned.
2. the cleaning method of three sections of pressure outer circulation concentration evaporators of a kind of triple effect according to claim 1, it is characterized in that, in the time that 1st effective evaporator, 2nd effect evaporator or triple effect evaporator are cleaned, 1st effective evaporator, 2nd effect evaporator or triple effect evaporator are heated, strengthen cleaning performance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210587989.1A CN103900419B (en) | 2012-12-29 | 2012-12-29 | A kind of triple effect three sections forces outer circulation concentration evaporator cleaning method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210587989.1A CN103900419B (en) | 2012-12-29 | 2012-12-29 | A kind of triple effect three sections forces outer circulation concentration evaporator cleaning method |
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| CN103900419A true CN103900419A (en) | 2014-07-02 |
| CN103900419B CN103900419B (en) | 2016-01-20 |
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| CN201210587989.1A Active CN103900419B (en) | 2012-12-29 | 2012-12-29 | A kind of triple effect three sections forces outer circulation concentration evaporator cleaning method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110986660A (en) * | 2019-12-16 | 2020-04-10 | 平顶山金晶生物科技股份有限公司 | Cleaning agent and cleaning method for surface scale of heat exchange tube in concentration evaporation device |
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| US4289578A (en) * | 1976-09-01 | 1981-09-15 | Hanover Research Corporation | Process and apparatus for recovering clean water and solids from aqueous solids |
| CN2543572Y (en) * | 2002-05-21 | 2003-04-09 | 王成东 | Three-effect concentration device |
| CN201253494Y (en) * | 2008-08-22 | 2009-06-10 | 肥城金塔机械有限公司 | Waste clear-liquid secondary-steam evaporation device using drier |
| CN101608881A (en) * | 2008-06-20 | 2009-12-23 | 中国铝业股份有限公司 | A kind of evaporator bank cleaning method and device |
| CN201492958U (en) * | 2009-09-01 | 2010-06-02 | 兆光生物工程(邹平)有限公司 | Triple-effect four-body counter-flow evaporator |
| CN102094211A (en) * | 2009-12-14 | 2011-06-15 | 中国神华能源股份有限公司 | Acid washing system of low-temperature multi-effect seawater desalting equipment |
| CN201949667U (en) * | 2010-11-17 | 2011-08-31 | 厦门中药厂有限公司 | Double-effect concentrator |
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2012
- 2012-12-29 CN CN201210587989.1A patent/CN103900419B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4289578A (en) * | 1976-09-01 | 1981-09-15 | Hanover Research Corporation | Process and apparatus for recovering clean water and solids from aqueous solids |
| CN2543572Y (en) * | 2002-05-21 | 2003-04-09 | 王成东 | Three-effect concentration device |
| CN101608881A (en) * | 2008-06-20 | 2009-12-23 | 中国铝业股份有限公司 | A kind of evaporator bank cleaning method and device |
| CN201253494Y (en) * | 2008-08-22 | 2009-06-10 | 肥城金塔机械有限公司 | Waste clear-liquid secondary-steam evaporation device using drier |
| CN201492958U (en) * | 2009-09-01 | 2010-06-02 | 兆光生物工程(邹平)有限公司 | Triple-effect four-body counter-flow evaporator |
| CN102094211A (en) * | 2009-12-14 | 2011-06-15 | 中国神华能源股份有限公司 | Acid washing system of low-temperature multi-effect seawater desalting equipment |
| CN201949667U (en) * | 2010-11-17 | 2011-08-31 | 厦门中药厂有限公司 | Double-effect concentrator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110986660A (en) * | 2019-12-16 | 2020-04-10 | 平顶山金晶生物科技股份有限公司 | Cleaning agent and cleaning method for surface scale of heat exchange tube in concentration evaporation device |
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| CN103900419B (en) | 2016-01-20 |
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