CN204625226U - The multiple-effect evaporation experimental installation that feeding manner, effect number are variable - Google Patents
The multiple-effect evaporation experimental installation that feeding manner, effect number are variable Download PDFInfo
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- CN204625226U CN204625226U CN201420752788.7U CN201420752788U CN204625226U CN 204625226 U CN204625226 U CN 204625226U CN 201420752788 U CN201420752788 U CN 201420752788U CN 204625226 U CN204625226 U CN 204625226U
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- 230000000694 effects Effects 0.000 title claims abstract description 79
- 238000001704 evaporation Methods 0.000 title claims abstract description 41
- 230000008020 evaporation Effects 0.000 title claims abstract description 40
- 238000009434 installation Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000007599 discharging Methods 0.000 claims abstract description 12
- 239000006200 vaporizer Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 abstract description 13
- 239000002351 wastewater Substances 0.000 abstract description 9
- 230000002411 adverse Effects 0.000 abstract description 2
- 241001417501 Lobotidae Species 0.000 description 20
- 239000012267 brine Substances 0.000 description 12
- 238000012545 processing Methods 0.000 description 12
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 12
- 239000002699 waste material Substances 0.000 description 10
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- 239000012141 concentrate Substances 0.000 description 5
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- 238000010438 heat treatment Methods 0.000 description 3
- 206010001488 Aggression Diseases 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010612 desalination reaction Methods 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to a kind of feeding manner and imitates the variable multiple-effect evaporation experimental installation of number and application method thereof.The vapo(u)rization system of its device comprises the vaporizer, flasher and the recycle pump that are connected successively, and the upper end of 1st effective evaporator is connected with the upper end of other single-effect evaporators respectively, and the lower end of every single-effect evaporator is provided with condensate water discharging pipeline, and is finally connected with steam separator; Feeding pipe is connected with every single-effect evaporator respectively; Vapour line is connected with 2nd effect evaporator with 1st effective evaporator respectively, and each effect flasher is connected with two-effect evaporation device thereafter respectively; The evaporation feed liquor pipeline that the recycle pump of often imitating and rear is imitated is connected, and every road pipeline realizes controlling by being provided with valve.This device have employed independent controlled feed system, makes feeding manner variation, realizes the scheme of following current, adverse current, advection and mixed flow charging; The utility model have employed independent controlled intake system, makes steam-energy independently enter each single-effect evaporator, and coordinates dissimilar vaporizer, multiple operating process scheme, device process different feeds salinity and the concentrated waste water required can be made, improve treatment effect, energy efficient.
Description
Technical field
The utility model relates to sewage treatment area, specifically, relates to a kind of feeding manner and imitates the variable multiple-effect evaporation experimental installation of number and application method thereof.
Background technology
High slat-containing wastewater, as the unmanageable special waste of the one in the enterprise wastewater such as oil field, petrochemical industry, is the important bottleneck problem of restriction enterprise " zero release " always.At present, the treatment process for industrial brine waste comprises membrane technology, halophilic bacterium biochemical processing, senior flash distillation and multiple-effect evaporation treatment technology etc.Wherein, multiple-effect evaporation treatment technology, due to good operation stability, has significant economic benefit and environmental benefit, has carried out attempting widely in sea water desaltination, and carries out applying and promoting gradually in the process of various industrial brine waste.
Handling object corresponding to different feeding manners is different, and corresponding treatment effect also can be different, and traditional multiple-effect evaporator adopts a kind of feeding manner mostly, therefore make device cannot tackle waste water water condition complicated and changeable.The multi-effect evaporation system Property comparison of different feeds mode is in table 1.
The multi-effect evaporation system characteristic of table 1 different feeds mode
Meanwhile, within the specific limits, increase the processing cost that effect number can reduce brine waste, but effect number is also subject to the restriction of facility investment and depreciation funds and heat transfer temperature difference, and the multiple-effect evaporator of different effect number is not identical to the treatment effect of brine waste yet.Therefore, the processing property of the multi-effect evaporating device of traditional fixing feeding manner and fixing effect number is poor, applies single.
Research at present to multi-effect evaporation system desalination, mainly concentrate on by the prediction of founding mathematical models to process operation parameter influence, application multiple-effect evaporation being concentrated to brine waste is only limitted to theoretic research, and the practical application that cannot concentrate brine waste for multiple-effect evaporation provides guidance.
Utility model content
According to above-mentioned weak point, the purpose of this utility model is to provide a kind of feeding manner and imitate the variable multiple-effect evaporation experimental installation of number and application method thereof, by the research optimization to different operating parameter, can be the application that later use multiple-effect evaporation concentrates brine waste and base reference data are provided.
For achieving the above object, the technical solution of the utility model is: a kind of feeding manner, the multiple-effect evaporation experimental installation that effect number is variable, it comprises the vapo(u)rization system that some levels are connected successively, described vapo(u)rization system front end and vapour generator, feeding pipe is connected, the rear end of described vapo(u)rization system successively with steam separator, condenser is connected with vacuum pump, described vapo(u)rization system comprises the vaporizer be connected successively, flasher and recycle pump, the upper end of described 1st effective evaporator is connected with the upper end of other single-effect evaporators respectively, the lower end of every single-effect evaporator is provided with condensate water discharging pipeline, and be finally connected with steam separator, described feeding pipe is connected with every single-effect evaporator respectively, described vapour line is connected with 2nd effect evaporator with 1st effective evaporator respectively, and each effect flasher described is connected with two-effect evaporation device thereafter respectively, the evaporation feed liquor pipeline that described recycle pump of often imitating and rear is imitated is connected, and every road pipeline realizes controlling by being provided with valve.
The feeding manner that can realize processing in waste water process by this device is variable variable with effect number, overcome traditional vapo(u)rization system due to feeding manner single, effect number is fixed and can not be adjusted processing scheme in time according to different feed liquid situation and cause the bad defect of wasting with energy consumption for the treatment of effect, and can in conjunction with the feed liquid of different situation, design different processing schemes, to seek best processing scheme, the theoretical investigation of traditional multi-effect evaporation system desalination is changed into actually operating research, by a large amount of experimental datas, large industrialized process can be instructed, to improve treatment effect and energy efficient.
Preferably: a described effect flasher is connected by threeway with the pipeline between 2nd effect evaporator and the pipeline between vapour line with 2nd effect evaporator.
Preferably: a described effect flasher is connected by four-way with the pipeline between triple-effect evaporator and two pipelines of imitating between flasher with triple effect flasher.
Preferably: described feeding pipe is provided with under meter.The flow of the feed liquid entering vaporizer can be monitored, corresponding experimental data is provided, for real-time Adjusted Option provides basis.
Preferably: described feeding pipe is provided with thief hole.The index of charging feed liquid can be detected, corresponding experimental data is provided, for real-time Adjusted Option provides basis.
Preferably: between the evaporation feed liquor pipeline that described recycle pump and rear of often imitating is imitated, be provided with thief hole.Can the index of feed liquid after check processing, provide corresponding experimental data, for real-time Adjusted Option provides basis.
The application of the multiple-effect evaporation experimental installation that the utility model also provides a kind of feeding manner, effect number variable, its operation steps is as follows:
(1) opening and closing of each valve are regulated, the feeding manner this device being reached will study and effect number;
(2) open vapour generator, steam is passed in vaporizer and carry out preheating;
(3) open fresh feed pump charging, when having salt solution to occur in an effect flasher, opening the first effect recycle pump and salt solution in one effect flasher is squeezed in the second single-effect evaporator, being undertaken by effect with this;
(4) sample from each effect discharge port every 0.3h, and measure its salinity;
(5) when the feed liquid salinity of discharge port reaches discharge index, closure systems, experiment terminates.
Compared to the prior art the utility model has outstanding feature and progress:
(1) traditional multiple-effect evaporator adopts a kind of feeding manner mostly, processing property is poor, apply single, waste water water condition complicated and changeable cannot be tackled, based on above-mentioned shortcoming, this device have employed independent controlled feed system, makes feeding manner variation, not only can realize the scheme of forward feeding, adverse current, advection and mixed flow charging can also be realized simultaneously;
(2) traditional multiple-effect evaporator is that effect number is fixed, cannot select different feeds salinity and concentrated requirement, based on above-mentioned shortcoming, the utility model have employed independent controlled intake system, steam-energy is made independently to enter each single-effect evaporator, and coordinate dissimilar vaporizer, an effect ascending, descending system, two effect liter-ascending, descending-ascending, descendings-fall system can be realized, triple effect falls-falls-liter, rise-liter-multiple operating process schemes such as system are fallen, device process different feeds salinity and the concentrated waste water required can be made, improve treatment effect, energy efficient;
(3) different operating parameters charging salinity, temperature, stream material and raw vapor temperature, flow concentrate the thermal characteristics of brine waste impact on multiple-effect evaporation is investigated, and it is optimized, can be the application that follow-up multiple-effect evaporation concentrates brine waste and base reference data are provided;
(5) the utility model device flow process is simple, workable, meanwhile, can regulate Management plan constantly, also can be simultaneously and meet processing requirements according to the situation of process waste water, and appropriate increase effect number, to reach the object of sweetly disposition waste water.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the affecting laws figure of different feeds flow to concentration ratio and water generation ratio of Application Example 1 of the present invention.
Fig. 3 is the affecting laws figure of different feeds salinity to concentration ratio and water generation ratio of Application Example 2 of the present invention.
Fig. 4 is the affecting laws figure of different feeds salinity to discharging salinity of Application Example 2 of the present invention.
Fig. 5 is the affecting laws figure of different heating steam flow to concentration ratio and water generation ratio of Application Example 3 of the present invention.
Fig. 6 is the affecting laws figure of different heating steam consumption quantity to discharging salinity of Application Example 3 of the present invention.
Fig. 7 is the affecting laws figure of different feeds temperature to concentration ratio and water generation ratio of Application Example 4 of the present invention.
Fig. 8 is the affecting laws figure of different feeds temperature to discharging salinity of Application Example 4 of the present invention.
1-1st effective evaporator; 2-mono-imitates flasher; 3-2nd effect evaporator; 4-bis-imitates flasher; 5-triple-effect evaporator; 6-triple effect flasher; 7-quadruple effect evaporator; 8-quadruple effect flasher; 9-steam separator; 10-condenser; 11-vacuum pump; 12-under meter; Tw1,2,3,4,5,6,7,8,9,10-feed liquid pipe valve; Ts1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16-vapour line valve; A, b, c, d, e-thief hole; A-vapour generator; B-entrance of cooling water; C-cooling water outlet; I-one effect vapo(u)rization system; II-two effect vapo(u)rization system; III-triple effect evaporation system; IV-four-effect evaporator system; P1,2,3,4,5-recycle pump.
Embodiment
Below in conjunction with specific embodiment, the utility model is described further.
A kind of feeding manner as shown in Figure 1, the multiple-effect evaporation experimental installation of imitating number variable is known, it comprises the vapo(u)rization system I that some levels are connected successively, II, III, IV, vapo(u)rization system front end and vapour generator A, feeding pipe is connected, the rear end that feeding pipe is provided with fresh feed pump P1 vapo(u)rization system successively with steam separator 9, condenser 10 is connected with vacuum pump 11, condenser 10 is provided with entrance of cooling water B and cooling water outlet C, vapo(u)rization system comprises the vaporizer 1 be connected successively, 3, 5, 7 flashers 2, 4, 6, 8 and recycle pump P2, 3, 4, 5, the upper end of 1st effective evaporator 1 is connected with the upper end of other single-effect evaporators respectively, the lower end of every single-effect evaporator is provided with condensate water discharging pipeline, and be finally connected with steam separator 9, feeding pipe is connected with every single-effect evaporator respectively, vapour line is connected with 2nd effect evaporator 3 with 1st effective evaporator 1 respectively, and each effect flasher is connected with two-effect evaporation device thereafter respectively, the evaporation feed liquor pipeline that the recycle pump of often imitating and rear is imitated is connected, and every road pipeline realizes controlling by being provided with valve.One effect flasher 2 is connected by threeway with the pipeline between 2nd effect evaporator 3 and the pipeline between vapour line with 2nd effect evaporator 3.One effect flasher 2 is connected by four-way with the pipeline between triple-effect evaporator 5 and two pipelines of imitating between flasher 4 with triple effect flasher 5.Feeding pipe is provided with under meter 12 and thief hole a.Thief hole b, c, d, e is provided with between the evaporation feed liquor pipeline that the recycle pump of often imitating and rear is imitated.
Device embodiment 1
The 1st effective evaporator 1 of this multi-effect evaporation system is chosen to be falling-film evaporator, and 2nd effect evaporator 3 is climbing-film evaporator, and triple-effect evaporator 5 is falling-film evaporator, and quadruple effect evaporator 7 is climbing-film evaporator.
For the triple effect following current of this system fall-fall-rise processing mode, feeding pipe opens valve Tw1, Tw4, Tw5, Tw9, Tw10, valve-off Tw2, Tw3, Tw6, Tw7, Tw8, vapour line opens valve Ts1, Ts16, Ts9, Ts10, Ts11, Ts12, Ts14, Ts15, closes Ts4, Ts5, Ts6, Ts7, Ts8, Ts13.Open pump P1, P3, P4, P5 and vacuum pump 11, close pump P2.
Device embodiment 2
The 1st effective evaporator 1 of this multi-effect evaporation system is chosen to be falling-film evaporator, and 2nd effect evaporator 3 is climbing-film evaporator, and triple-effect evaporator 5 is falling-film evaporator, and quadruple effect evaporator 7 is climbing-film evaporator.
For the triple effect following current of this system fall-liter-processing mode is fallen, feeding pipe opens valve Tw1, Tw9, Tw3, Tw5, Tw10, valve-off Tw2, Tw4, Tw6, Tw7, Tw8, vapour line opens valve Ts1, Ts16, Ts2, Ts3, Ts4, Ts5, Ts6, Ts7, Ts8, Ts9, Ts12, Ts13, Ts14, closes Ts15, Ts11.Open pump P1, P2, P3, P4, P5 and vacuum pump 11.
Device embodiment 3
The 1st effective evaporator 1 of this multi-effect evaporation system is chosen to be falling-film evaporator, and 2nd effect evaporator 3 is climbing-film evaporator, and triple-effect evaporator 5 is falling-film evaporator, and quadruple effect evaporator 7 is climbing-film evaporator.
For the triple effect mixed flowing mode of this system, feeding pipe opens valve Tw1, Tw9, Tw2, Tw3, Tw4, Tw5, Tw6, Tw10, valve-off Tw7, Tw8, vapour line opens valve Ts1, Ts16, Ts2, Ts3, Ts4, Ts5, Ts6, Ts7, Ts8, Ts9, Ts12, Ts13, Ts14, closes Ts15, Ts11.Open pump P1, P2, P3, P4, P5 and vacuum pump 11.
Application example 1
For said apparatus embodiment 1, investigate different feeds flow to the impact of system thermal characteristics.Regulate fresh feed pump valve, make feed rate be respectively 75kg/h, 87.5kg/h, 100kg/h, 120kg/h, temperature and raw steam flow are respectively 25 DEG C and 15m
3/ h.Operation steps is as follows: before system brings into operation, 0.5h opens vapour generator A and produces saturation steam, record vapour generator initial flow, when feed brine and each valve ready, start into steam preheating vaporizer, open fresh feed pump after three minutes and start charging, when having salt solution to occur in an effect flasher, opening the first effect recycle pump and salt solution in one effect flasher is squeezed in third effect evaporator, being undertaken by effect with this.From system is normally run (after normal discharging 0.5h), sample from each effect discharge port every 0.3h, and measure its salinity.Analytical results shows, the concentration ratio of system, water generation ratio and discharging salinity reduce with the increase of feed rate, can draw suitably reduce the thermal characteristics that feed rate can improve system with this.Concentration ratio and water generation ratio variation tendency are as shown in Figure 2.
Application Example 2
For said apparatus embodiment 1, investigate different feeds salinity to the impact of system thermal characteristics.Configure the feed brine of different salinity respectively, salinity is respectively 6000ppt, 8000ppt, 10000ppt, 20000ppt, and feed rate, temperature and raw steam flow are respectively 75kg/h, 15 DEG C and 17m
3/ h.Be that one-period investigates different charging salinity respectively with 3h.Other operations are with Application Example 1.Result shows, along with the increase of charging salinity, concentration ratio and water generation ratio are all on a declining curve, treatment effect reduces along with the increase of material salinity.Concentration ratio and water generation ratio variation tendency are as shown in Figure 3,4.
Application Example 3
For said apparatus embodiment 1, investigate different raw steam flow to the impact of system thermal characteristics.Regulate into steam governing valve, make raw steam flow be respectively 6.5m3/h, 10.0m3/h, 13.5m3/h, 17.0m3/h, feed rate and temperature be respectively 75kg/h, 15 DEG C.Other operations are with Application Example 1.Analytical results shows, the concentration ratio of system, water generation ratio and discharging salinity increase with the increase of feed rate, can draw increase the thermal characteristics that raw steam flow can improve system within the specific limits with this.Concentration ratio, water generation ratio and discharging salinity altercation trend are as shown in Figure 5,6.
Application Example 4
For said apparatus embodiment 1, investigate different feeds temperature to the impact of system thermal characteristics.Utilize feed brine temperature that the salinity prepared is 6000ppt by preheater to be heated to respectively to be 15 DEG C, 25 DEG C, 35 DEG C, 45 DEG C as feeding temperature, feed rate and raw steam flow are respectively 75kg/h and 17m
3/ h, other operate same Application Example.Analytical results shows, along with the increase of feeding temperature, concentration ratio, water generation ratio and discharge concentration increase gradually, this is because along with the lifting of feeding temperature, the enthalpy of feed water increases; Meanwhile, because feeding temperature is higher, the steam for preheated feed salt solution will reduce, and more for heating feed water to boiling point, and vaporization efficiency and thermo-efficiency improve.Therefore, fresh water yield increases, and water generation ratio, concentration ratio and discharge concentration also increase thereupon.Therefore increase the performance that feeding temperature can significantly improve multiple-effect evaporator.Concentration ratio, water generation ratio and discharging salinity altercation trend are as shown in Figure 7,8.
Claims (6)
1. a feeding manner, the multiple-effect evaporation experimental installation that effect number is variable, it comprises the vapo(u)rization system (I that some levels are connected successively, II, III, IV), described vapo(u)rization system (I, II, III, IV) front end and vapour generator (A), feeding pipe is connected, the rear end of described vapo(u)rization system successively with steam separator (9), condenser (10) is connected with vacuum pump (11), it is characterized in that: described vapo(u)rization system comprises the vaporizer be connected successively, flasher and recycle pump, the upper end of described 1st effective evaporator (1) is connected with the upper end of other single-effect evaporators respectively, the lower end of every single-effect evaporator is provided with condensate water discharging pipeline, and be finally connected with steam separator (9), described feeding pipe is connected with every single-effect evaporator respectively, described vapour line is connected with 2nd effect evaporator (3) with 1st effective evaporator (1) respectively, and each effect flasher described is connected with two-effect evaporation device thereafter respectively, the evaporation feed liquor pipeline that described recycle pump of often imitating and rear is imitated is connected, and every road pipeline realizes controlling by being provided with valve.
2. feeding manner according to claim 1, the variable multiple-effect evaporation experimental installation of effect number, is characterized in that: described effect flasher (1) is connected by threeway with the pipeline between 2nd effect evaporator (3) and the pipeline between vapour line with 2nd effect evaporator (3).
3. feeding manner according to claim 1, the variable multiple-effect evaporation experimental installation of effect number, is characterized in that: described effect flasher (1) is connected by four-way with the pipeline that the pipeline and two between triple-effect evaporator (5) is imitated between flasher (4) with triple effect flasher (6).
4. feeding manner according to claim 1, the variable multiple-effect evaporation experimental installation of effect number, is characterized in that: described feeding pipe is provided with under meter (12).
5. feeding manner according to claim 1, the variable multiple-effect evaporation experimental installation of effect number, is characterized in that: described feeding pipe is provided with thief hole (a).
6. feeding manner according to claim 1, the variable multiple-effect evaporation experimental installation of effect number, is characterized in that: be provided with thief hole (b, c, d, e) between the evaporation feed liquor pipeline that described recycle pump and rear of often imitating is imitated.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105836827A (en) * | 2016-05-19 | 2016-08-10 | 浙江永泉化学有限公司 | Multi-effect wastewater concentration device |
| CN106257264A (en) * | 2016-09-08 | 2016-12-28 | 中国核动力研究设计院 | A kind of test loop with axial preheater steam generator |
| CN106257263A (en) * | 2016-09-08 | 2016-12-28 | 中国核动力研究设计院 | A kind of test method with axial preheater steam generator and application |
| CN113603171A (en) * | 2021-08-09 | 2021-11-05 | 上海市政工程设计研究总院（集团）有限公司 | Treatment method for hazardous waste incineration washing high-salinity wastewater |
| WO2022037001A1 (en) * | 2020-08-20 | 2022-02-24 | 广东闻扬环境科技有限公司 | Wastewater treatment system |
-
2014
- 2014-12-03 CN CN201420752788.7U patent/CN204625226U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105836827A (en) * | 2016-05-19 | 2016-08-10 | 浙江永泉化学有限公司 | Multi-effect wastewater concentration device |
| CN106257264A (en) * | 2016-09-08 | 2016-12-28 | 中国核动力研究设计院 | A kind of test loop with axial preheater steam generator |
| CN106257263A (en) * | 2016-09-08 | 2016-12-28 | 中国核动力研究设计院 | A kind of test method with axial preheater steam generator and application |
| CN106257263B (en) * | 2016-09-08 | 2018-09-11 | 中国核动力研究设计院 | A kind of test method of band axial direction preheater steam generator and application |
| CN106257264B (en) * | 2016-09-08 | 2018-09-11 | 中国核动力研究设计院 | A kind of test loop of band axial direction preheater steam generator |
| WO2022037001A1 (en) * | 2020-08-20 | 2022-02-24 | 广东闻扬环境科技有限公司 | Wastewater treatment system |
| CN113603171A (en) * | 2021-08-09 | 2021-11-05 | 上海市政工程设计研究总院（集团）有限公司 | Treatment method for hazardous waste incineration washing high-salinity wastewater |
| CN113603171B (en) * | 2021-08-09 | 2023-08-22 | 上海市政工程设计研究总院（集团）有限公司 | Treatment method for high-salt wastewater generated by hazardous waste incineration and washing |
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