CN2745917Y - Multieffect evaporation system used for recovering alkali metal through concentrating waste liquid - Google Patents
Multieffect evaporation system used for recovering alkali metal through concentrating waste liquid Download PDFInfo
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- CN2745917Y CN2745917Y CNU2004201141812U CN200420114181U CN2745917Y CN 2745917 Y CN2745917 Y CN 2745917Y CN U2004201141812 U CNU2004201141812 U CN U2004201141812U CN 200420114181 U CN200420114181 U CN 200420114181U CN 2745917 Y CN2745917 Y CN 2745917Y
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/138—Water desalination using renewable energy
- Y02A20/141—Wind power
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- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a multieffect evaporation system used for recovering the alkali metal through concentrating the waste liquid, and the utility model belongs to the treatment technical field of the chemical industry, the environmental protection, etc. The utility model is composed of a waste liquid storage tank, a conveying pump and an evaporator, and the utility model is communicated with an incinerator, a waste heat boiler, a draught fan, a chimney and a connection smoke wind pipeline. The utility model is characterized in that the evaporator is serially connected to form by 3-5 steaming falling-film evaporators or multiple-effect vacuum crystallizers. The utility model can solve the problems for the incinerator of the coking, the slag bonding, etc. Simultaneously through the process of the evaporative crystallization alkali metal salts and alkaline-earth metal salts are removed. The utility model can implement continuous incineration to treat the saliferous organic waste liquid, and the utility model is free from additional complicated equipment and pharmaceutical product. The utility model reduces cost, and the utility model increases treatment efficiency.
Description
Technical field
The utility model belongs to chemical industry, environmental protection and energy processing technology field, is specifically related to a kind of vapo(u)rization system that can handle the process waste liquor that contains an alkali metal salt and alkaline earth salt continuously.
Background technology
At present, produce the waste liquid that contains an alkali metal salt in a large number in fields such as pesticide chemicals.These waste liquids are difficult to carry out purifying treatment with conventional biological process, and adopt incinerator to dispose waste liquid, because low melting point inorganic salt such as a large amount of an alkali metal salts that exist in the waste liquid and alkaline earth salt distils in burning process post crystallization to being heated of incinerator and with furnace cavity in, cause incinerator coking, burn into fouling, slagging scorification, it can't normally be moved continuously.
In incinerator, separate burnt problem in order to solve an alkali metal salt, mainly contain following several method at present: 1. in bed, add suitable additive, they can wrap up alkaline metal salt, formation is as the high-melting-point material of fusing point between 1065～1290 ℃ of refractory materials, thereby solved the coking problem of low melting point salt.2. incineration temperature is controlled at below the fusing point of these inorganic salt.3. inorganic salt are removed in pre-treatment.But, reduce incineration temperature and cause burning not exclusively easily, use additive then to increase cost, inorganic salt are removed then difficult realization in pre-treatment.
Summary of the invention
Handle the problem that contains an alkali metal salt and alkaline earth salt organic waste liquid burning difficult treatment in the prior art in order to overcome, the utility model provides a kind of waste liquid is carried out multiple-effect evaporation, the multi-effect evaporation system that an alkali metal salt condensing crystal can be reclaimed.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of waste liquid that is used for concentrates the alkali-metal multi-effect evaporation system of recovery, comprise waste tank, transferpump, vaporizer, and with incinerator, waste heat boiler, induced draft fan, chimney and be connected smoke wind pipe and be communicated with, it is characterized in that described vaporizer is that 3～5 vaporizer multiple-effect are connected in series.
Further, the vaporizer in the described multi-effect evaporation system is that two falling film evaporators and a vacuum cyrsytalliser multiple-effect are connected in series.
Further, be provided with auxiliary fuel burners in the incinerator in the above-mentioned multi-effect evaporation system.
The above-mentioned waste liquid that is used for concentrates the alkali-metal multi-effect evaporation system of recovery, waste tank is communicated with first vaporizer by the waste liquid transferpump, waste heat boiler is communicated with first vaporizer, establish the outlet of 1st effective evaporator raffinate and two 1st effective evaporator vapour outlets on first vaporizer, the outlet of 1st effective evaporator raffinate is communicated with the 2nd effect evaporator waste liquid inlet of second vaporizer, and two 1st effective evaporator vapour outlets are communicated with waste heat boiler and 2nd effect evaporator steam-in respectively; Establish the outlet of 2nd effect evaporator raffinate and two 2nd effect evaporator vapour outlets on second vaporizer, the outlet of 2nd effect evaporator raffinate is communicated with the triple-effect evaporator waste liquid inlet of the 3rd vaporizer, two 2nd effect evaporator vapour outlets are communicated with waste heat boiler and triple-effect evaporator steam-in respectively, the vapour outlet of third effect evaporator is communicated with waste heat boiler, and the bottom is provided with the crystallisate outlet.
The utility model adopts vaporizer multiple-effect polyphone to constitute an evaporating, concentrating and crystallizing system.To the crystallization of salt bearing liquid wastes multiple-effect evaporation, the an alkali metal salt and the alkaline-earth metal salt material of solubility are removed, entering incinerator after the liquid phase component evaporation in evaporative process in the waste liquid burns, burn the thermal source of the steam of back waste heat boiler generation as multiple-effect evaporation, for the continous-stable operation of the burning disposal of waste liquid provides condition, also reclaim an alkali metal salt simultaneously, can carry out comprehensive utilization of waste materials.
The vaporizer of multi-effect evaporation system can be two falling film evaporators and a vacuum cyrsytalliser composition, can determine the rate of evaporation of total evaporation rate and every effect according to the content of inorganic salt in the waste liquid, guarantee in preceding two imitate, can not produce crystal salt, imitate the concentrated solution of handling through two and enter the vacuum cyrsytalliser flash crystallization.The form of 1st effective evaporator and 2nd effect evaporator is a falling film evaporator, and triple-effect evaporator is a vacuum cyrsytalliser.
Three above-mentioned vaporizers add steam that thermal effluent produces and directly enter incinerator and carry out incineration process, and crystal salt can be continuously removed from the outlet of triple-effect evaporator crystallisate.The burning of waste liquid steam in incinerator can use in the auxiliary fuel burners auxiliary fuel to keep, and burns the evaporation that high-temperature steam that the back waste heat boiler produces is directly used in original waste liquid.
The utility model can have been removed an alkali metal salt and alkaline earth salt by evaporation and crystal process, for road has been paved in the continuous operation of burning facility, with respect to existing treatment system, use the utility model and do not need to add complex apparatus and medicament, can reduce the cost of processing, the efficient of improve handling, problems such as the most important coking that is to solve incinerator, slagging scorification can be moved total system continuously.
The utility model can be realized the purpose of continuous burning disposal saliferous organic liquid waste on the basis of desalination.
This system concentrates by multiple-effect evaporation organic liquid waste, and the raffinate crystallization after concentrating goes out an alkali metal salt, thus reach turn waste into wealth, the purpose of comprehensive utilization of resources.
Description of drawings
Fig. 1 is that the waste liquid that is used for that the utility model provides concentrates the alkali-metal multi-effect evaporation system simplified schematic diagram of recovery
Wherein: the original waste tank of 1-; 2-waste liquid transferpump; 3-1st effective evaporator waste liquid inlet; 4-1st effective evaporator vapour outlet; 5-2nd effect evaporator waste liquid inlet; 6-2nd effect evaporator vapour outlet; The 7-2nd effect evaporator; 8-triple-effect evaporator waste liquid inlet; 9-triple-effect evaporator vapour outlet; The 10-triple-effect evaporator; The 11-incinerator; The 12-waste heat boiler; The 13-chimney; 14-1st effective evaporator steam-in; The 15-1st effective evaporator; The outlet of 16-1st effective evaporator raffinate; 17-1st effective evaporator vapour outlet; 18-2nd effect evaporator steam-in; The outlet of 19-2nd effect evaporator raffinate; 20-2nd effect evaporator vapour outlet; 21-triple-effect evaporator steam-in; The outlet of 22-triple-effect evaporator raffinate; 23-triple-effect evaporator vapour outlet; The outlet of 24-triple-effect evaporator crystallisate; The 25-induced draft fan
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
Embodiment 1: as shown in Figure 1, salt bearing liquid wastes enters 1st effective evaporator 15 by transferpump 2 by waste liquid inlet 3 from original waste liquor storage tank 1, the steam that derives from waste heat boiler 12 enters 1st effective evaporator 15 by steam-in 14, waste liquid is subjected to the vapour outlet 4 of steam by 1st effective evaporator after the thermal evaporation to enter incinerator 11, concentrating spent liquor after 1st effective evaporator 15 evaporations enters 2nd effect evaporator 7, heating steam derives from the steam of discharging in the 1st effective evaporator 15, the waste liquid steam that 7 evaporations produce through 2nd effect evaporator also enters incinerator 11, waste liquid enters triple-effect evaporator 10 after further concentrating in 2nd effect evaporator 7, triple-effect evaporator 10 is vacuum flashers, the steam that flash distillation produces enters incinerator 11 equally and burns, and crystal salt is continuously removed by relief outlet 24.The flue gas that incinerator 11 burns enters waste heat boiler 12 and carries out UTILIZATION OF VESIDUAL HEAT IN, and the complete afterburnt of steam that waste liquid evaporation produces is discharged by chimney 13.
Embodiment 2
In incinerator 11, settle an auxiliary fuel burners, in auxiliary fuel is housed to keep the burning of waste liquid steam in incinerator.
Other is with embodiment 1.
Claims (4)
1, a kind of waste liquid that is used for concentrates the alkali-metal multi-effect evaporation system of recovery, comprise waste tank, transferpump, vaporizer, and with incinerator, waste heat boiler, induced draft fan, chimney and be connected smoke wind pipe and be communicated with, it is characterized in that described vaporizer is that 3～5 vaporizer multiple-effect are connected in series.
2, the waste liquid that is used for as claimed in claim 1 concentrates the alkali-metal multi-effect evaporation system of recovery, it is characterized in that vaporizer is that two falling film evaporators and a vacuum cyrsytalliser multiple-effect are connected in series.
3, the waste liquid that is used for as claimed in claim 2 concentrates the alkali-metal multi-effect evaporation system of recovery, it is characterized in that being provided with in the incinerator auxiliary fuel burners.
4, concentrate the alkali-metal multi-effect evaporation system of recovery as the described waste liquid that is used for of one of claim 1～3, it is characterized in that waste tank passes through the waste liquid transferpump and be communicated with first vaporizer, waste heat boiler is communicated with first vaporizer, establish the outlet of 1st effective evaporator raffinate and two 1st effective evaporator vapour outlets on first vaporizer, the outlet of 1st effective evaporator raffinate is communicated with the 2nd effect evaporator waste liquid inlet of second vaporizer, and two 1st effective evaporator vapour outlets are communicated with waste heat boiler and 2nd effect evaporator steam-in respectively; Establish the outlet of 2nd effect evaporator raffinate and two 2nd effect evaporator vapour outlets on second vaporizer, the outlet of 2nd effect evaporator raffinate is communicated with the triple-effect evaporator waste liquid inlet of the 3rd vaporizer, two 2nd effect evaporator vapour outlets are communicated with waste heat boiler and triple-effect evaporator steam-in respectively, the vapour outlet of third effect evaporator is communicated with waste heat boiler, and the bottom is provided with the crystallisate outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004201141812U CN2745917Y (en) | 2004-12-15 | 2004-12-15 | Multieffect evaporation system used for recovering alkali metal through concentrating waste liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004201141812U CN2745917Y (en) | 2004-12-15 | 2004-12-15 | Multieffect evaporation system used for recovering alkali metal through concentrating waste liquid |
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| Publication Number | Publication Date |
|---|---|
| CN2745917Y true CN2745917Y (en) | 2005-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2004201141812U Expired - Fee Related CN2745917Y (en) | 2004-12-15 | 2004-12-15 | Multieffect evaporation system used for recovering alkali metal through concentrating waste liquid |
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| CN (1) | CN2745917Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353062A (en) * | 2011-08-08 | 2012-02-15 | 江苏福斯特化工制造有限公司 | Concentration and incineration processing method of nitration waste water in nitrotoluene production process |
| CN106277518A (en) * | 2016-08-25 | 2017-01-04 | 东莞珂洛赫慕电子材料科技有限公司 | A kind of electronic waste reclaims the processing method of waste water |
| TWI607973B (en) * | 2016-03-09 | 2017-12-11 | Dong Shan Guo | Purification device containing metal raffinate |
| CN108147607A (en) * | 2018-01-31 | 2018-06-12 | 江苏深蓝远洋渔业有限公司 | A kind of boat-carrying euphausia superba powder process equipment waste water treatment system |
-
2004
- 2004-12-15 CN CNU2004201141812U patent/CN2745917Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353062A (en) * | 2011-08-08 | 2012-02-15 | 江苏福斯特化工制造有限公司 | Concentration and incineration processing method of nitration waste water in nitrotoluene production process |
| TWI607973B (en) * | 2016-03-09 | 2017-12-11 | Dong Shan Guo | Purification device containing metal raffinate |
| CN106277518A (en) * | 2016-08-25 | 2017-01-04 | 东莞珂洛赫慕电子材料科技有限公司 | A kind of electronic waste reclaims the processing method of waste water |
| CN108147607A (en) * | 2018-01-31 | 2018-06-12 | 江苏深蓝远洋渔业有限公司 | A kind of boat-carrying euphausia superba powder process equipment waste water treatment system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |