CN205367778U - Membrane distillation plant - Google Patents
Membrane distillation plant Download PDFInfo
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- CN205367778U CN205367778U CN201620117532.8U CN201620117532U CN205367778U CN 205367778 U CN205367778 U CN 205367778U CN 201620117532 U CN201620117532 U CN 201620117532U CN 205367778 U CN205367778 U CN 205367778U
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- membrane
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Abstract
The utility model discloses a membrane distillation plant, this membrane distillation plant include the evaporimeter, the evaporimeter has water inlet and delivery port, hydrophobic membrane, hydrophobic membrane set up in in the evaporimeter, the condensation membrane, the condensation membrane set up in in the evaporimeter, flash steam supercharging device, flash steam supercharging device set up in outside the evaporimeter, and respectively with hydrophobic membrane with condensation membrane UNICOM, and comdenstion water collection tank, the comdenstion water collection tank set up in outside the evaporimeter, and with condensation membrane UNICOM. The utility model discloses a membrane distillation plant can overcome present technological structure complicacy, low, the high scheduling problem of running cost of treatment effeciency, overcomes the poor problem of the corrosion -resistant degree of present evaporation material simultaneously.
Description
Technical field
This utility model belongs to technical field of waste water processing, is specifically related to a kind of Membrane Materials equipment.
Background technology
In China, petroleum and petrochemical industry, coal chemical industry, be always up waste water produce key enterprise, can produce in process of production substantial amounts of brine waste and through in spent acid salkali waste and after brine waste.Although can adopt corresponding means that waste water carries out a certain amount of recovery for environmental requirement, but be as in waste water salt, acid or paper mill wastewater increase, handling is also more and more higher.For the process of brine waste in prior art, all there is structure complexity, the problem such as treatment effeciency is low, operating cost is high, material corrosion resistance degree difference.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of Membrane Materials equipment.Membrane Materials equipment of the present utility model can overcome the problems such as existing process structure is complicated, treatment effeciency is low, operating cost is high, the problem simultaneously overcoming existing evaporation material corrosion resistance degree difference.
To achieve these goals, a kind of Membrane Materials equipment of offer of the present utility model, described Membrane Materials equipment includes:
Vaporizer, described vaporizer has water inlet and outlet；
Hydrophobic membrane, described hydrophobic membrane is arranged in described vaporizer；
Condensation film, described condensation film is arranged in described vaporizer；
Indirect steam pressurizer, described indirect steam pressurizer is arranged at outside described vaporizer, and respectively with described hydrophobic membrane and described condensation film UNICOM；And
Condensation water collection tank, described condensation water collection tank is arranged at outside described vaporizer, and with described condensation film UNICOM；
Wherein, described water inlet is for supplying waste water to described vaporizer, described outlet is for discharging described waste water from described vaporizer, described vaporizer is used for making the evaporation of described waste water produce steam, described hydrophobic membrane is used for making described steam enter described hydrophobic membrane, described indirect steam pressurizer is for sucking the described steam in described hydrophobic membrane, described steam boosting is made to be changed into indirect steam and described indirect steam is fed to described condensation film, described condensation film is used for making the condensation of described indirect steam form condensed water, described condensation water collection tank is used for collecting described condensed water.
Wherein it is preferred to, described hydrophobic membrane and described condensation film are in intersecting spread configuration.
It is highly preferred that described hydrophobic membrane is all horizontally arranged in described vaporizer, described condensation film is all vertically arranged in described vaporizer, and the vertical dimension between described hydrophobic membrane and described condensation film outer wall is 0.2～0.4 millimeter.
Preferably, described hydrophobic membrane is hollow fiber form film, constitute the diameter of the doughnut of described hydrophobic membrane be 2～3 millimeters, wall thickness be 0.1～0.2 millimeter, aperture be 0.5～5 micron, the material of described hydrophobic membrane is selected from PTFE, PVDF, PE and PVC.
Preferably, described condensation film is hollow fiber form film, constitute the diameter of the doughnut of described condensation film be 2～3 millimeters, wall thickness be 0.1～0.2 millimeter, the material of described condensation film is selected from PP, CPVC and PVC.
Membrane Materials equipment of the present utility model operationally, the inner side of all hydrophobic membrane be interconnected and with indirect steam pressurizer inlet communication, outer wall contacts with waste water, makes waste water be full of the outer surface of hydrophobic membrane and condensation film；Interconnect inside all condensation film upper ends and with indirect steam pressurizer outlet, lower end inside connects with condensation water collection tank, and outer wall contacts with waste water.
Operationally, waste water cannot infiltrate or penetrate hydrophobic membrane to Membrane Materials equipment of the present utility model, and steam produced by waste water can penetrate and enter inside it outside hydrophobic membrane, and indirect steam liquefies inside condensation film, transfers heat to the waste water outside condensation film.
Preferably, operationally, the temperature of waste water is 30～80 DEG C to Membrane Materials equipment of the present utility model, and indirect steam temperature after indirect steam pressurizer supercharging promotes 15～20 DEG C.
Preferably, Membrane Materials equipment of the present utility model operationally, is 50～200mbar to indirect steam pressurizer inducer pressure inside described hydrophobic membrane, and it is 800～950mbar that indirect steam pressurizer is exported to condensation film inner section pressure.
Preferably, described indirect steam pressurizer can be roots-type vapour compression machine, centrifugal vapor compressor, diaphragm type vapour compression machine or oil ring formula vapour compression machine.
When Membrane Materials equipment of the present utility model is used for processing brine waste, it is possible to other conventional equipments of this area with the use of, namely brine waste process system include Membrane Materials equipment as above.
Preferably, described process system also includes being positioned at the external waste water collection device of described Membrane Materials equipment, pretreatment unit, defecator, and described waste water collection device, pretreatment unit, defecator connect with the water inlet of Membrane Materials equipment after being concatenated.
Preferably, described process system also includes being positioned at the concentrated solution collection device that described Membrane Materials equipment is external, and described concentrated solution collection device connects with the outlet of described Membrane Materials equipment.
Preferably, described process system also includes being positioned at the self-stripping unit that described Membrane Materials equipment is external, and described self-stripping unit is that Membrane Materials cleans corollary apparatus, and it connects with water inlet and the outlet of described Membrane Materials equipment.
When utilizing above-mentioned brine waste to process system process brine waste, comprise the following steps:
1) after pending wastewater collection, pretreatment unit is passed into, dissolved gas in waste water and/or hardness are removed by the composition according to waste water, subsequently by the defecator of 5～100 micron pore size by the suspended substance removal in waste water, subsequently waste water is passed into Membrane Materials equipment；
2) in Membrane Materials equipment, waste water becomes steam 30～80 DEG C of condition next parts and enters indirect steam pressurizer by hydrophobic membrane, it is changed into indirect steam after intensified and enters condensation film, indirect steam gasification latent heat liquefies after carrying out heat exchange with waste water in condensation film and is collected as high-quality water for condensed water, maintains 30～80 DEG C in systems after waste water heat absorption；
3) waste water is discharged to concentrated solution collection device by the outlet of Membrane Materials equipment after evaporation decrement, for subsequent treatment.
Wherein, described brine waste is that this area is conventional, but is not limited to this, saliferous, containing acid or the waste liquid containing alkali all suitable in this utility model, respond well.
In the specific implementation, in described Membrane Materials equipment, handled waste water evaporates heat release in hydrophobic membrane outer wall surface after condensation film outer wall absorbs heat, owing to the distance between condensation film and hydrophobic membrane outer wall is very little, only have 0.2～0.4 millimeter, it is to avoid the problem of temperature difference polarization in evaporation process；In described Membrane Materials equipment, carrying out heat exchange with waste water after the intensified device supercharging of indirect steam that handled waste water produces in condensation film, waste water can be maintained the temperature of self when not needing external heat source while evaporation.Hydrophobic membrane inside while to indirect steam supercharging, is served the effect of evacuation so that the pressure within hydrophobic membrane drops to 50～200mbar, makes the boiling point of waste water reduce by described indirect steam pressurizer, accelerates the speed of waste water evaporation.Owing to the product water after processing is to be formed by steam condensation, therefore product water water quality is very good, and electrical conductivity is smaller than 10 μ s/cm.
This utility model preferably can also utilize the self-stripping unit that system carries to carry out routine cleaning maintenance.
Through processing, brine waste can be concentrated into closely saturated state, with TDS content be 20,000mg/L sea water for example, can by its decrement is former seawater bulk 1/15.
This utility model has significant progress:
Utilizing the brine waste containing this utility model Membrane Materials equipment to process system and process brine waste, treatment effeciency is high, produces water quality better, produces water efficiency high.Experiments show that, brine waste is after equipment of the present utility model processes, and the clearance of COD, TP, SS and TDS in product water is more than 99.99%, and its electrical conductivity is less than 10 μ s/cm, it is possible to the relieved boiler water-filling for plant area, is 5m at flow of inlet water3Aquifer yield can be made during/h up to 4.875m3/ more than h.It addition, waste water is after treatment, brine waste can being made to be concentrated into close to saturated state, volume greatly reduces, and after decrement, wastewater volume can reach to be only less than the 1/15 of raw wastewater volume, even few to 1/40.Therefore, distillation device of the present utility model and system and method thereof substantially increase treatment effeciency when processing brine waste, reduce operating cost, it is possible to produce significant economic benefit and environmental benefit.
Accompanying drawing explanation
Accompanying drawing is further appreciated by of the present utility model for providing, and constitutes a part for description, is used for explaining this utility model, but is not intended that restriction of the present utility model together with detailed description below.
Figure 1A, Figure 1B are the schematic diagrams of Membrane Materials equipment described in embodiment 1, and wherein, Figure 1A is the front view of Membrane Materials equipment, and Figure 1B is the top view of Membrane Materials equipment.
Fig. 2 is the schematic flow sheet operationally that brine waste described in embodiment 2 processes system.
[description of reference numerals]
1 water inlet 2 outlet
3 hydrophobic membrane 4 condensation films
5 indirect steam pressurizer 6 condensation water collection tanks
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the utility model is described in further detail.
Embodiment 1
As shown in FIG. 1A and 1B (part-structure is not shown), the present embodiment provides a kind of Membrane Materials equipment, and described Membrane Materials equipment includes vaporizer, and described vaporizer has water inlet 1 and outlet 2；Hydrophobic membrane 3, described hydrophobic membrane is arranged in described vaporizer；Condensation film 4, described condensation film is arranged in described vaporizer；Indirect steam pressurizer 5, described indirect steam pressurizer is arranged at outside described vaporizer, and respectively with described hydrophobic membrane 3 and described condensation film 4 UNICOM；And condensation water collection tank 6, described condensation water collection tank 6 is arranged at outside described vaporizer, and with described condensation film 4 UNICOM.
Wherein, described water inlet 1 is for supplying waste water to described vaporizer, described outlet 2 is for discharging described waste water from described vaporizer, described vaporizer is used for making the evaporation of described waste water produce steam, described hydrophobic membrane 3 is used for making described steam enter described hydrophobic membrane 3, described indirect steam pressurizer 5 is for sucking the described steam in described hydrophobic membrane 3, described steam boosting is made to be changed into indirect steam and described indirect steam is fed to described condensation film 4, described condensation film 4 is used for making the condensation of described indirect steam form condensed water, described condensation water collection tank 6 is used for collecting described condensed water.
The whole UNICOM of inner channel of described hydrophobic membrane 3 is also pooled in indirect steam pressurizer 5, the whole UNICOM of upper end inner channel of described condensation film 4 outlet with indirect steam pressurizer 5 are connected, the lower end inside passage of described condensation film 4 all connects and is connected with condensation water collection tank 6, and described hydrophobic membrane 3 and condensation film 4 cross arrangement are arranged.
When processing waste water, waste water is entered in vaporizer by water inlet 1, the steam of its generation can enter into the inner side of hydrophobic membrane 3 by the outer surface of hydrophobic membrane 3, indirect steam inside all hydrophobic membrane 3 enters the inside of condensation film 4 after passing through indirect steam pressurizer 5 supercharging, the water collecting tank 6 that is condensed after the internal condensation of condensation film 4 becomes condensed water is collected, and the heat that steam discharges when condensation is used to maintain the temperature of brine waste self in vaporizer.
Embodiment 2
As shown in Figure 2 (part-structure is not shown), the present embodiment provides a kind of brine waste to process system, and this process system includes the Membrane Materials equipment described in embodiment 1.Described process system also includes being positioned at the external waste water collection device of described Membrane Materials equipment, pretreatment unit, defecator, and described waste water collection device, pretreatment unit, defecator connect with the water inlet of Membrane Materials equipment after being concatenated.
Described process system also includes being positioned at the concentrated solution collection device that described Membrane Materials equipment is external, and described concentrated solution collection device connects with the outlet of described Membrane Materials equipment.
Described process system also includes being positioned at the self-stripping unit that described Membrane Materials equipment is external, described self-stripping unit is that Membrane Materials cleans corollary apparatus, it connects with water inlet and the outlet of described Membrane Materials equipment, can carry out regular pickling, alkali cleaning by self-stripping unit.
When system works, brine waste is collected before entering Membrane Materials equipment, through pretreatment unit, according to the composition of waste liquid by the dissolved gas in waste liquid, hardness elimination, removing the float in waste liquid by the defecator of 5～100 micron pore size subsequently.
Embodiment 3
The present embodiment processes the various brine wastes (average water quality is for COD2265mg/L, TP47mg/L, TN652mg/L, TDS4500mg/L, SS1749mg/L, pH7.56) from chemical plant, Shandong with system described in embodiment 2.
As in figure 2 it is shown, above-mentioned brine waste preprocessed removal hardness, float and degassed rear employing plant area heating system carry out being warming up to 50 DEG C, being then lifted into distillation device either directly through pump, flow of inlet water is 5m3/ h, the steam inside hydrophobic membrane 3 enters into through indirect steam pressurizer 5 and liquefies inside condensation film 4, and steam liquefied heat is transferred in the brine waste within vaporizer so that it is maintain the temperature of 50 DEG C.Steam pressure within hydrophobic membrane 3 is 100mbar, and the steam pressure inside hydrophobic membrane 3 is 800mbar.The internal condensed water produced of condensation film 4 enters condensation water collection tank 6 as producing water, and aquifer yield is 4.875m3/ h, produces COD, TP, SS and TDS clearance in water more than 99.99%, and its electrical conductivity is less than 10 μ s/cm, it is possible to for the boiler water-filling of plant area.Brine waste concentrated solution is 0.125m3/ h, its water yield is kept to the 1/4 of former brine waste volume, and concentrated solution enters plant area's boiler CIU after unified collection and burns.
Particular embodiments described above; the purpose of this utility model, technical scheme and beneficial effect have been further described; it it should be understood that; the foregoing is only specific embodiment of the utility model; it is not limited to this utility model; all within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (6)
1. a Membrane Materials equipment, it is characterised in that described Membrane Materials equipment includes:
Vaporizer, described vaporizer has water inlet and outlet；
Hydrophobic membrane, described hydrophobic membrane is arranged in described vaporizer；
Condensation film, described condensation film is arranged in described vaporizer；
Indirect steam pressurizer, described indirect steam pressurizer is arranged at outside described vaporizer, and respectively with described hydrophobic membrane and described condensation film UNICOM；And
Condensation water collection tank, described condensation water collection tank is arranged at outside described vaporizer, and with described condensation film UNICOM；
Wherein, described water inlet is for supplying waste water to described vaporizer, described outlet is for discharging described waste water from described vaporizer, described vaporizer is used for making the evaporation of described waste water produce steam, described hydrophobic membrane is used for making described steam enter described hydrophobic membrane, described indirect steam pressurizer is for sucking the described steam in described hydrophobic membrane, described steam boosting is made to be changed into indirect steam and described indirect steam is fed to described condensation film, described condensation film is used for making the condensation of described indirect steam form condensed water, described condensation water collection tank is used for collecting described condensed water.
2. Membrane Materials equipment according to claim 1, it is characterised in that described hydrophobic membrane and described condensation film are in intersecting spread configuration.
3. Membrane Materials equipment according to claim 1, it is characterized in that, described hydrophobic membrane is all horizontally arranged in described vaporizer, and described condensation film is all vertically arranged in described vaporizer, and the vertical dimension between described hydrophobic membrane and described condensation film outer wall is 0.2～0.4 millimeter.
4. the Membrane Materials equipment according to any one of claims 1 to 3, described hydrophobic membrane is hollow fiber form film, constitute the diameter of the doughnut of described hydrophobic membrane be 2～3 millimeters, wall thickness be 0.1～0.2 millimeter, aperture be 0.5～5 micron, the material of described hydrophobic membrane is selected from PTFE, PVDF, PE and PVC；
Described condensation film is hollow fiber form film, constitute the diameter of the doughnut of described condensation film be 2～3 millimeters, wall thickness be 0.1～0.2 millimeter, the material of described condensation film is selected from PP, CPVC and PVC.
5. Membrane Materials equipment according to claim 1, it is characterised in that when described Membrane Materials equipment work, the temperature of described waste water is 30～80 DEG C, and the steam of generation temperature after indirect steam pressurizer supercharging promotes 15～20 DEG C；Being 50～200mbar to indirect steam pressurizer inducer pressure inside described hydrophobic membrane, it is 800～950mbar that indirect steam pressurizer is exported to condensation film inner section pressure.
6. Membrane Materials equipment according to claim 1, it is characterised in that described indirect steam pressurizer is roots-type vapour compression machine, centrifugal vapor compressor, diaphragm type vapour compression machine or oil ring formula vapour compression machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620117532.8U CN205367778U (en) | 2016-02-05 | 2016-02-05 | Membrane distillation plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620117532.8U CN205367778U (en) | 2016-02-05 | 2016-02-05 | Membrane distillation plant |
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| CN205367778U true CN205367778U (en) | 2016-07-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105692739A (en) * | 2016-02-05 | 2016-06-22 | 北京中科瑞升资源环境技术有限公司 | System for treating wastewater containing salt and method using system to treat wastewater containing salt |
| CN106512738A (en) * | 2016-11-09 | 2017-03-22 | 南京航空航天大学 | Mechanical vapor recompression membrane distillation device and method |
-
2016
- 2016-02-05 CN CN201620117532.8U patent/CN205367778U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105692739A (en) * | 2016-02-05 | 2016-06-22 | 北京中科瑞升资源环境技术有限公司 | System for treating wastewater containing salt and method using system to treat wastewater containing salt |
| CN105692739B (en) * | 2016-02-05 | 2018-12-14 | 北京中科瑞升资源环境技术有限公司 | A kind of brine waste processing system and the method using system processing brine waste |
| CN106512738A (en) * | 2016-11-09 | 2017-03-22 | 南京航空航天大学 | Mechanical vapor recompression membrane distillation device and method |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201221 Address after: 300384-1-1501, block D, No.1 Gonghua Road, Huayuan Industrial Zone, hi tech Zone, Binhai New Area, Tianjin Patentee after: Yisheng (Tianjin) Environmental Technology Co.,Ltd. Address before: 304b, Tianchuang technology building, 8 caihefang Road, Haidian District, Beijing 100080 Patentee before: BEIJING ZHONGKE RUISHENG RESOURCE ENVIRONMENT TECHNOLOGY Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 300462 No. 201-11, unit 2, building 2, No. 39, Gaoxin 6th Road, Binhai Science Park, Binhai New Area, Tianjin Patentee after: Yisheng (Tianjin) Environmental Technology Co.,Ltd. Address before: 300384-1-1501, block D, No.1 Gonghua Road, Huayuan Industrial Zone, hi tech Zone, Binhai New Area, Tianjin Patentee before: Yisheng (Tianjin) Environmental Technology Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A membrane distillation equipment Effective date of registration: 20230913 Granted publication date: 20160706 Pledgee: Yisheng (Yixing) Environmental Technology Co.,Ltd. Pledgor: Yisheng (Tianjin) Environmental Technology Co.,Ltd. Registration number: Y2023980056698 |