CN101670183B - Waste heat recovering method and device of evaporation condensed water - Google Patents
Waste heat recovering method and device of evaporation condensed water Download PDFInfo
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- CN101670183B CN101670183B CN2009101781587A CN200910178158A CN101670183B CN 101670183 B CN101670183 B CN 101670183B CN 2009101781587 A CN2009101781587 A CN 2009101781587A CN 200910178158 A CN200910178158 A CN 200910178158A CN 101670183 B CN101670183 B CN 101670183B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The invention provides a waste heat recovering method and a device of evaporation condensed water, relating to the technical field of industrial evaporation, and aiming at solving the problem that the heat energy of the condensed water in a current-effect condensed water tank can not be efficiently utilized. The method comprises the following steps: after the evaporation stock solution is heated by a first-effect heating chamber, the condensed water after evaporation heating enters a first-effect condensed water tank; the first-effect condensed water tank is connected with a second-effect heating chamber; the first-effect condensed water enters the second-effect heating chamber through the first-effect condensed water tank; and the second-effect stock solution is heated by the released secondary steam; in addition, the invention also provides a waste heat recovering device of evaporation condensed water, wherein, a previous-effect heating chamber and a next-effect heating chamber are connected through the condensed water tank which is used for switching the condensed water of the previous-effect heating chamber into the next-effect heating chamber and heating the next-effect evaporation stock solution. In the technical scheme of the invention, the current-effect condensed water secondary steam is used for heating the next-effect, thus ensuring that a large amount of heat energy carried by the high temperature condensed water can be further recycled.
Description
Technical field
The present invention relates to the industrial evaporation technical field, specifically propose a kind of evaporation condensed water exhaust heat recovering method and device.
Background technology
In present industrial evaporation condensation technology field, the alumina evaporation unit generally is divided into first, second, third and fourth and imitates heating clamber, and vaporizing raw liquor gets into from the quadruple effect heating clamber; Order feeding steam along four-three-two-one effect evaporates successively; Wherein the first effectiveness initial steam heats, and the secondary vapour that second effectiveness first is imitated heats, and the secondary vapour that the 3rd effectiveness second is imitated heats; Quadruple effect is with the secondary vapour heating of triple effect, and is as shown in Figure 1.First, second, third and fourth each effect is equipped with the condensation water pot, and the condensed water after the evaporation heating is got back to the condensation water pot of this effect, and the heating clamber that the secondary vapour that flashes off in the condensation water pot is got back to this effect again continues the stoste heating evaporation.
Only when the temperature and pressure of heating clamber all is lower than the temperature and pressure of condensation water pot; The condensed water of getting back to this effect heating clamber from the condensation water pot just can evaporate; Discharge secondary vapour; But,, make this partial heat energy not make full use of so this effect condensation water pot condensed water can not get flash distillation and second use because this effect heating clamber temperature, pressure all are equal to or higher than the temperature and pressure of this effect condensation water pot.
Summary of the invention
To defective that exists in the prior art and deficiency, the object of the invention is to propose a kind of evaporation condensed water exhaust heat recovering method and device, to solve the problem that this effect condensation water pot condensed water heat energy can not make full use of in the prior art.
In order to achieve the above object, the invention provides a kind of evaporation condensed water exhaust heat recovering method, comprise the steps:
After the step 1. first effect heating clamber heated vaporizing raw liquor, the condensed water after the Steam Heating got into first and imitates the condensation water pot;
After step 3. second was imitated the stoste heating, second imitates condensed water got into the second effect condensation water pot;
Step 4. second is imitated the condensation water pot and is connected the triple effect heating clamber, and the secondary vapour that the second effect condensed water discharges is imitated the condensation water pot through second and got into the triple effect heating clamber, and triple effect stoste is heated;
After the heating of step 5. triple effect stoste, the triple effect condensed water gets into triple effect condensation water pot;
After the heating of step 7. quadruple effect stoste, the quadruple effect condensed water gets into hot water storgae, uses as other moisturizing.
In addition, the present invention also provides a kind of evaporation condensed water waste-heat recovery device, comprises that first imitates heating clamber, the second effect heating clamber, triple effect heating clamber, quadruple effect heating clamber; It is characterized in that, also comprise:
First imitates condensed water filling, second imitates condensation water pot, triple effect condensation water pot;
Said first imitates condensed water irritates the heating clamber that connects said first effect heating clamber and said second effect;
Said second imitates condensed water irritates the heating clamber that connects said second effect heating clamber and said triple effect;
Said triple effect condensed water is irritated the heating clamber that connects said triple effect heating clamber and said quadruple effect.
This device also comprises quadruple effect condensation water pot, and said quadruple effect condensation water pot connects the heating clamber and the hot water storgae of said quadruple effect.
Scheme of the present invention is to imitate the condensation water pot secondary vapour access second effect heating clamber with first to go to heat the second effect stoste, and the second effect condensation water pot secondary vapour inserts the triple effect heating clamber and removes to heat triple effect, and the like.Because the temperature and pressure of next effect heating clamber all is lower than the temperature and pressure of a last effect condensed water; After a last effect condensed water inserts next effect heating clamber; Evaporation produces secondary vapour rapidly, and secondary vapour is proceeded heating to the stoste of next effect, thereby the waste heat of condensed water is fully used.
Description of drawings
Fig. 1 is used for the technical scheme schematic diagram of this effect oven heats for this effect condensed water in the prior art;
Wherein 1,2,3,4 be respectively first, second, third and fourth heating clamber;
5,6,7,8 be respectively first, second, third and fourth condensation water pot.
Fig. 2 is used for next is imitated the technical scheme schematic diagram of oven heats for this effect condensed water in the technical scheme proposed by the invention;
Wherein 1,2,3,4 be respectively first, second, third and fourth heating clamber;
5,6,7,8 be respectively first, second, third and fourth condensation water pot.
The specific embodiment
For making the object of the invention, content and advantage clearer, below in conjunction with accompanying drawing and embodiment, specific embodiments of the invention describes in further detail.Following examples only are used for technical scheme of the present invention more clearly is described, and can not limit protection scope of the present invention with this.
Embodiment 1
Present embodiment specifically describes the specific embodiments of in the technical scheme of the present invention four groups of evaporations of aluminium oxide unit being operated.
As shown in Figure 2, with first, second and third imitate condensation water pot insert respectively second and third, the quadruple effect heating clamber, make it evaporate secondary vapour, to second and third, quadruple effect stoste heats, make first, second, third and fourth imitate condensed water heat energy and fully recycle.The quadruple effect condensed water is directly sent into hot water storgae because temperature is lower, uses as other moisturizing.
The described technical scheme of present embodiment is used next effect of condensed water secondary vapour heating of this effect, and a large amount of heats that high-temperature condensation water is carried are further recycled.
The applicant finds when experimentizing; Every group of evaporation unit can be practiced thrift steam consumption 3t/h; Calculate by 50 yuan of calculating of steam cost per ton, running rate 90%; Can practice thrift 1,180,000 yuan of RMB every year, a medium-sized alumina producer is generally four groups of evaporations, then can practice thrift about 4,720,000 yuan of steam consumption every year altogether.
As shown in Figure 2, present embodiment has specifically described the evaporation condensed water exhaust heat recovering method, comprises the steps:
After the step 1. first effect heater 1 steam heated vaporizing raw liquor, condensed water got into first and imitates condensation water pot 5;
The secondary vapour that step 2. first is imitated 2, the first effect condensed waters releases of the condensation water pot 5 connections second effect heating clamber gets into the second effect heating clamber 2, and the second effect stoste is heated.
After step 3. second was imitated the stoste heating, second imitates condensed water got into the second effect condensation water pot 6;
The secondary vapour that step 4. second is imitated 3, the second effect condensed waters releases of condensation water pot 6 connection triple effect heating clambers gets into triple effect heating clamber 3, and triple effect stoste is heated.
After the heating of step 5. triple effect stoste, the triple effect condensed water gets into triple effect condensation water pot 7;
The secondary vapour that step 6. triple effect condensation water pot 7 connects the release of quadruple effect heating clamber 4, the triple effect condensed waters gets into quadruple effect heating clamber 4, and quadruple effect stoste is heated.
After the heating of step 7. quadruple effect stoste, the quadruple effect condensed water gets into hot water storgae, uses as other moisturizing.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from know-why of the present invention; Can also make some improvement and distortion, these improvement and distortion also should be regarded as protection scope of the present invention.
Claims (6)
1. an evaporation condensed water exhaust heat recovering method is characterized in that, this method comprises the steps:
After the step 1. first effect heating clamber heated vaporizing raw liquor, the condensed water after the Steam Heating got into first and imitates the condensation water pot;
Step 2. first is imitated the condensation water pot and is connected the second effect heating clamber, and the secondary vapour that the first effect condensed water discharges is imitated the condensation water pot entering second effect heating clamber through first, imitates stoste to second and heats.
2. evaporation condensed water exhaust heat recovering method as claimed in claim 1 is characterized in that, said method also comprises:
After step 3. second was imitated the stoste heating, second imitates condensed water got into the second effect condensation water pot;
Step 4. second is imitated the condensation water pot and is connected the triple effect heating clamber, and the secondary vapour that the second effect condensed water discharges is imitated the condensation water pot through second and got into the triple effect heating clamber, and triple effect stoste is heated.
3. evaporation condensed water exhaust heat recovering method as claimed in claim 2 is characterized in that, said method also comprises:
After the heating of step 5. triple effect stoste, the triple effect condensed water gets into triple effect condensation water pot;
Step 6. triple effect condensation water pot connects the quadruple effect heating clamber, and the secondary vapour that the triple effect condensed water discharges gets into the quadruple effect heating clamber through triple effect condensation water pot, and quadruple effect stoste is heated.
4. evaporation condensed water exhaust heat recovering method as claimed in claim 3 is characterized in that, said method also comprises:
After the heating of step 7. quadruple effect stoste, the quadruple effect condensed water gets into hot water storgae, uses as other moisturizing.
5. an evaporation condensed water waste-heat recovery device comprises that first imitates heating clamber, the second effect heating clamber, triple effect heating clamber, quadruple effect heating clamber; It is characterized in that, also comprise:
First imitates condensed water filling, second imitates condensation water pot, triple effect condensation water pot;
Said first imitates condensed water irritates the heating clamber that connects said first effect heating clamber and said second effect;
Said second imitates condensed water irritates the heating clamber that connects said second effect heating clamber and said triple effect;
Said triple effect condensed water is irritated the heating clamber that connects said triple effect heating clamber and said quadruple effect.
6. evaporation condensed water waste-heat recovery device as claimed in claim 5 is characterized in that, also comprises quadruple effect condensation water pot, and said quadruple effect condensation water pot connects the heating clamber and the hot water storgae of said quadruple effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101781587A CN101670183B (en) | 2009-10-13 | 2009-10-13 | Waste heat recovering method and device of evaporation condensed water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101781587A CN101670183B (en) | 2009-10-13 | 2009-10-13 | Waste heat recovering method and device of evaporation condensed water |
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| Publication Number | Publication Date |
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| CN101670183A CN101670183A (en) | 2010-03-17 |
| CN101670183B true CN101670183B (en) | 2012-02-08 |
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| CN2009101781587A Expired - Fee Related CN101670183B (en) | 2009-10-13 | 2009-10-13 | Waste heat recovering method and device of evaporation condensed water |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104107558A (en) * | 2014-07-15 | 2014-10-22 | 佳明新材料科技有限公司 | Multiple-effect cutting fluid evaporation equipment |
| CN106267871A (en) * | 2016-08-30 | 2017-01-04 | 科清环保科技（江苏）有限公司 | A kind of Graphene adds vapours circulating and evaporating processing system and Graphene adds vapours circulating and evaporating processing method |
| CN110282527B (en) * | 2019-06-28 | 2024-04-05 | 广州广日电梯工业有限公司 | Elevator air purification system and using method thereof |
| CN112985083B (en) * | 2021-02-06 | 2022-12-23 | 四川省金路树脂有限公司 | Device and method for synthesizing hydrogen chloride and coproducing medium-low pressure steam in three-stage manner |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101067538A (en) * | 2007-06-05 | 2007-11-07 | 沈阳铝镁设计研究院 | Steam condensed water waste heat utilizing method and equipment |
| CN101204634A (en) * | 2006-12-19 | 2008-06-25 | 祁颖 | Multipurpose use technology reducing evaporation steam consumption |
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- 2009-10-13 CN CN2009101781587A patent/CN101670183B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101204634A (en) * | 2006-12-19 | 2008-06-25 | 祁颖 | Multipurpose use technology reducing evaporation steam consumption |
| CN101067538A (en) * | 2007-06-05 | 2007-11-07 | 沈阳铝镁设计研究院 | Steam condensed water waste heat utilizing method and equipment |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平10-249101A 1998.09.22 |
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| CN101670183A (en) | 2010-03-17 |
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Effective date of registration: 20180626 Address after: 472100 Henan Sanmenxia West Industrial Park Cayman aluminum (Sanmenxia) Co., Ltd. Patentee after: Cayman aluminium (Sanmenxia) Co., Ltd. Address before: 310005 20-22 building, Jinjiang tower, 111 Hu Shu Nan Road, Hangzhou, Zhejiang. Patentee before: Hangzhou Jinjiang Group Co., Ltd. |
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