CN204417271U - The equipment of the complicated waste water of nanometer film distillation treatment and reuse high density - Google Patents
The equipment of the complicated waste water of nanometer film distillation treatment and reuse high density Download PDFInfo
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- CN204417271U CN204417271U CN201420730617.4U CN201420730617U CN204417271U CN 204417271 U CN204417271 U CN 204417271U CN 201420730617 U CN201420730617 U CN 201420730617U CN 204417271 U CN204417271 U CN 204417271U
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- water
- waste water
- nanometer film
- heat
- high density
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Abstract
The utility model relate to the complicated waste water of nanometer film distillation treatment and reuse high density equipment it comprise: reaction unit, lift pump, fore filter, cartridge filter, heat-energy recovering apparatus, interchanger and nanometer film Distallation systm; Reaction unit comprises the complicated wastewater equalization pond of high density and chemicals dosing plant; Fore filter is for exporting the waste water of separating treatment; Lift pump is connected with between reaction unit and fore filter.The utility model has the advantages that: the COD in efficiency high energy effectively catching waste water and inorganic ion; Energy consumption is low, and industrial waste heat can be utilized as infiltration impellent; Treating processes is simple, stable, can realize useless water purification, improves the rate of recovery of waste water; Complete machine takes up an area few, and close structure is simple to operate, and be easy to control, easily safeguard, working cost is low; Insensitive to soluble solid, chlorine, low ph value or biological pollution in waste water, without the need to the pretreatment process of complexity, without film scale problems.
Description
Technical field
The utility model relates to the equipment of the complicated waste water of nanometer film distillation treatment and reuse high density, is that nanometer film technology combines with distillation technique the equipment for the treatment of and reuse high density complexity waste water.
Background technology
Existing film distillation technology has the following disadvantages:
1, film distillation technology is widely used in sea water desaltination and white wine upgrading field, has small part to apply at nuclear industry, dyeing industry, medicine company and grocery trade, but it is very rare to be applied in the complicated waste water aspect of high density.The film majority that existing film distillation technology adopts is hollow-fibre membrane, and small part adopts spiral, flat and rolled membrane module; Great majority are microporous membrane, and small part has used nanometer film.Its common ground is the form that most of film distillation technology all adopts pressure reducing film distillation, adopt the apparatus system of seepage slope, membrane module is hydrophobic microporous membrane, its ultimate principle be the hot solution of separated material by film time, produce optionally transport phenomenon, produce gaseous substance at the opposite side of film, become liquid through condensation, its motivating force is the pressure difference of film both sides and the steam pressure difference of separated material.So the complicated waste water of reuse high density becomes a kind of trend in water treatment applications, is also a technical barrier simultaneously.
2, high salt amount COD, ammonia nitrogen, phenol, sulfide is contained in the complicated waste water of high density, and containing toxicant, there is higher oleaginousness and colourity, the complicated waste water of present stage high density all adopts biological process and physico-chemical process to process substantially, but high salinity (TDS is higher than 30000mg/l) has restraining effect for biology, and physico-chemical process cannot process.So the complicated waste water of reuse high density becomes a kind of trend in water treatment applications, is also a technical barrier simultaneously.
3, there are some problems in the existing technical study about the complicated waste water recycling of high density, method and principle, the technology of " combined system and the method that utilize membrane distillation process trade effluent " is called in China Patent No. 2012100775152, name, in the recycling of the dense draining of Industrial reverse osmosis, its feature is: comprise the trade effluent preprocessing subsystem, reverse osmosis system and the pressure reducing film distillation system that connect successively, and pressure-reduction distillation device is two-stage distribution.In reverse osmosis concentrated water outlet regulating pH value, it is made to be subacidity; Add Scale inhibitors at the dense water out of first step pressure reducing film distillation, avoid the fouling membrane in subsequent concentration process.The shortcoming of above-mentioned technique is: technical process is longer, and pretreatment technology is complicated, and pressure-reduction distillation device is two-stage distribution, and resource utilization is low, and cost is high; Although reverse osmosis system takes filtration, adds the pre-treatment measures such as Scale inhibitors, the impurity in water still can be gathered in film surface and cause fouling membrane, reduces separation rate and the permeation rate of film; Add Scale inhibitors at the dense water out of first step pressure reducing film distillation, ionic concn is too high, and Scale inhibitors cannot reach scale inhibition object.
Summary of the invention
The purpose of this utility model is, provide a kind of nanometer film to distill the equipment of the complicated waste water for the treatment of and reuse high density, this device processes efficiency is high, the COD in energy effectively catching waste water and inorganic ion; Energy consumption is low, and the waste heat of Industrial processes can be utilized as infiltration impellent; Treating processes is simple, stable, realizes useless water purification, improves the rate of recovery of waste water; Equipment complete machine takes up an area few, and close structure is simple to operate, and be easy to control, easily safeguard, working cost is low; Equipment is insensitive to soluble solid, chlorine, low ph value or biological pollution in waste water, without the need to the pretreatment process of complexity, without film scale problems.
The equipment and technology scheme of the complicated waste water of the utility model nanometer film distillation treatment and reuse high density is: the device connected by pipeline by flow sequence is comprised: the reaction unit of the former water of UNICOM, lift pump, fore filter, cartridge filter, heat-energy recovering apparatus, interchanger and nanometer film Distallation systm; Described reaction unit comprises the complicated wastewater equalization pond of high density and chemicals dosing plant, for regulating the pH value of original waste water; Described fore filter is used for the solid particulate of reaction unit to separate, and exports the waste water of separating treatment; The lift pump for lifting liquid to the fore filter through reaction unit being made filtration treatment is connected with between reaction unit and fore filter; Cartridge filter import connects fore filter, and outlet connects heat-energy recovering apparatus, for removing fine particles; Interchanger two import is connected with steam-pipe and heat-energy recovering apparatus respectively, for raising the water temperature of filtered water; Nanometer film water distilling apparatus in nanometer film Distallation systm is used for filtered water to concentrate, vacuum pump is used for vacuumizing membrane module cold side, form steam pressure difference, thus make liquid phase water be converted into water vapor, internal circulation pump is for reducing the impact of concentration polarization on system cloud gray model; Heat-energy recovering apparatus is used for the product water for cooling through nanometer film water distilling apparatus, filtered water is heated simultaneously, finally produces the purified product water for recycling.
Further technical scheme is:
The equipment of the complicated method for waste water of described nanometer film distillation treatment and reuse high density, its interchanger has two imports, and one of them import is connected with heat-energy recovering apparatus, for inputting the filtered water through energy recovery, another import is connected with steam-pipe, for inputting external steam; Have two discharge outlets, one of them discharge outlet is connected with nano-film filtration device, and for exporting the steam through heat exchange, another discharge outlet is the delivery port of purified product water.
The equipment of the complicated method for waste water of described nanometer film distillation treatment and reuse high density, its heat-energy recovering apparatus has two imports, and one of them import is connected with cartridge filter, for inputting the filtered water that security personnel filter, another import is connected with nano-film filtration device, for inputting the product water of intensification; Have two discharge outlets, one of them discharge outlet is connected with interchanger, and for exporting the filtered water through energy recovery, another discharge outlet is the delivery port of purified product water.
Major technique effect and the ultimate principle of the utility model nanometer film being distilled to the equipment of the complicated waste water for the treatment of and reuse high density are described as follows:
1, the utility model in use, first regulates pH value to 5 ~ 8 of former water, then carry out pre-treatment to waste water, removes the suspended substance in water; Like this, avoid the normal operation of subsequent technique is impacted;
2, heat up (being elevated to 70 DEG C from 35 DEG C) through interchanger through pretreated filtered water, enter nanometer film Distallation systm; In nanometer film assembly, the side of nano-sized membrane directly contacts with filtered water, utilizes vacuum pump to vacuumize membrane module cold side, forms the steam pressure difference of hot and cold both sides water, the liquid phase water of hot side is transferred to cold side in face vaporization, thus makes liquid phase water be converted into water vapor; Hot side filtered water is designed with internal recycle, can reduce the impact that concentration polarization and fouling membrane produce membrane module;
3, the water vapor produced through membrane module is converted into liquid-phase pure water purification after water condensation (being reduced to 35 DEG C from 70 DEG C) after filtration, makes the filtered water rising temperature reclamation latent heat of vaporization simultaneously, realizes the recovery of heat energy; Along with the continuous inflow of waste water, the Pollutant levels of nanometer film Distallation systm raise gradually, when reaching set(ting)value, and system stalls, will concentrate waste water and discharge, system starts further work;
The membrane module of the nanometer film water distilling apparatus 4, in the utility model is hydrophobic rolled film, so nanometer film Distallation systm and technique thereof greatly reduce the floor space of equalizing tank; And its membrane module is highly selective permeable membrane, water molecules is only allowed to pass through, can dissolved organic matter in effectively catching waste water and inorganic ion;
5, the nanometer film water distilling apparatus in the utility model forms removal to COD, ammonia nitrogen, phenol, sulfide, toxicant, oil and other pollutent and separating technology together with aforesaid equipment, without the need to the pretreatment process of complexity, except the dense water of small part, do not form secondary wastewater, COD can be concentrated to 100,000 and more than, inorganic ion can be concentrated into more than 20%; It is separated motivating force is temperature head, the waste heat of Industrial processes can be utilized as infiltration impellent, even also can well run under the condition of Low Temperature Difference (being low to moderate 3 DEG C);
6, the utility model makes waste water by the membrane module of a nano-scale, and crossing water termination itself does not have hole, without the problem of film fouling;
In sum, principle of the present utility model to enter the waste water adjust ph before nanometer film Distallation systm, and removing solid particulate matter, avoids impacting the normal operation of subsequent technique; And due to its nanofilmstructures and feature, have that processing efficiency is high, energy expenditure is low, treating processes is simple, without film scale problems, and whole set equipment takes up an area less, close structure, affected simple, the feature such as working cost is low.
Accompanying drawing explanation
Fig. 1 is the equipment schematic diagram of the utility model wastewater treatment and reuse.
In figure, the name of each Reference numeral is called:
1-reaction unit; The complicated wastewater equalization pond of 1.1-high density; 1.2-chemicals dosing plant; 2-lift pump; 3-fore filter; 4-cartridge filter; 5-heat-energy recovering apparatus; 6-interchanger; 7-nanometer film Distallation systm; 7.1-nanometer film water distilling apparatus; 7.2 internal circulation pump; 7.3 vacuum pump; The former water of 8-; 9-steam-pipe; 10-purified product water.
Embodiment
Be described further as follows to the equipment of the complicated waste water of the utility model nanometer film distillation treatment and reuse high density in conjunction with the accompanying drawings and embodiments:
embodiment 1:it is the basic embodiment of equipment of the complicated waste water of a kind of nanometer film distillation treatment and reuse high density of the present utility model.As shown in Figure 1, described equipment, sequentially passing through by method flow the device that pipeline connects has: the reaction unit 1 of the former water 8 of UNICOM, lift pump 2, fore filter 3, cartridge filter 4, heat-energy recovering apparatus 5, interchanger 6 and nanometer film Distallation systm 7; Described reaction unit 1 comprises the complicated wastewater equalization pond 1.1 of high density and chemicals dosing plant 1.2, for regulating the pH value of original waste water; Described fore filter 3, for being separated by the solid particulate of reaction unit 1, exports the waste water of separating treatment; The lift pump 2 for lifting liquid to the fore filter 3 through reaction unit 1 being made filtration treatment is connected with between reaction unit 1 and fore filter 3; Cartridge filter 4 import connects fore filter 3, and outlet connects heat-energy recovering apparatus 5, for removing fine particles, meets the requirement of subsequent handling to water inlet; Interchanger 6 liang of imports are connected with steam-pipe 9 and heat-energy recovering apparatus 5 respectively, for raising the water temperature of filtered water; Nanometer film water distilling apparatus 7.1 in nanometer film Distallation systm 7 is for concentrating filtered water, vacuum pump 7.2 is for vacuumizing membrane module cold side, form steam pressure difference, thus make liquid phase water be converted into water vapor, internal circulation pump 7.1 is for reducing the impact of concentration polarization on system cloud gray model; Heat-energy recovering apparatus 5 for by the product water for cooling through nanometer film water distilling apparatus 7.1 to 35 DEG C, simultaneously by filtered water heat, finally produce for recycle purified product water 10.
embodiment 2:it is further embodiment on the basis of embodiment 1.Described interchanger 6 has two imports, and one of them import is connected with heat-energy recovering apparatus 5, and for inputting the filtered water through energy recovery, another import is connected with the steam-pipe 9 of the conveying waste heat from plant area, for inputting external steam; Have two discharge outlets, one of them discharge outlet is connected with nano-film filtration device 7.1, and for exporting the steam through heat exchange, another discharge outlet is the delivery port of purified product water 10.Described heat-energy recovering apparatus 5 has two imports, and one of them import is connected with cartridge filter 4, and for inputting the filtered water that security personnel filter, another import is connected with nano-film filtration device 7.1, for inputting the product water of intensification; Have two discharge outlets, one of them discharge outlet is connected with interchanger 6, and for exporting the filtered water through energy recovery, another discharge outlet is the delivery port of purified product water 10.
The utility model claims is not limited to above-described embodiment.
Claims (3)
1. the equipment of the complicated waste water of nanometer film distillation treatment and reuse high density, it is characterized in that, the device connected by pipeline by flow sequence is comprised: the reaction unit (1) of UNICOM Yuan Shui (8), lift pump (2), fore filter (3), cartridge filter (4), heat-energy recovering apparatus (5), interchanger (6) and nanometer film Distallation systm (7); Described reaction unit (1) comprises the complicated wastewater equalization pond (1.1) of high density and chemicals dosing plant (1.2), for regulating the pH value of original waste water; Described fore filter (3), for being separated by the solid particulate of reaction unit (1), exports the waste water of separating treatment; The lift pump (2) for lifting liquid to the fore filter (3) through reaction unit (1) being made filtration treatment is connected with between reaction unit (1) and fore filter (3); Cartridge filter (4) import connects fore filter (3), and outlet connects heat-energy recovering apparatus (5), for removing fine particles; Interchanger (6) two import is connected with steam-pipe (9) and heat-energy recovering apparatus (5) respectively, for raising the water temperature of filtered water; Nanometer film water distilling apparatus (7.1) in nanometer film Distallation systm (7) is for concentrating filtered water, vacuum pump (7.2) is for vacuumizing membrane module cold side, form steam pressure difference, thus making liquid phase water be converted into water vapor, internal circulation pump (7.1) is for reducing the impact of concentration polarization on system cloud gray model; Heat-energy recovering apparatus (5), for through the product water for cooling of nanometer film water distilling apparatus (7.1), filtered water will be heated simultaneously, finally produces the purified product water (10) for recycling.
2. nanometer film distills the equipment of the complicated waste water for the treatment of and reuse high density according to claim 1, it is characterized in that, described interchanger (6) has two imports, one of them import is connected with heat-energy recovering apparatus (5), for inputting the filtered water through energy recovery, another import is connected with steam-pipe (9), for inputting external steam; Have two discharge outlets, one of them discharge outlet is connected with nano-film filtration device (7.1), and for exporting the steam through heat exchange, another discharge outlet is the delivery port of purified product water (10).
3. nanometer film distills the equipment of the complicated waste water for the treatment of and reuse high density according to claim 1, it is characterized in that, described heat-energy recovering apparatus (5) has two imports, one of them import is connected with cartridge filter (4), for inputting the filtered water that security personnel filter, another import is connected with nano-film filtration device (7.1), for inputting the product water of intensification; Have two discharge outlets, one of them discharge outlet is connected with interchanger (6), and for exporting the filtered water through energy recovery, another discharge outlet is the delivery port of purified product water (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420730617.4U CN204417271U (en) | 2014-11-30 | 2014-11-30 | The equipment of the complicated waste water of nanometer film distillation treatment and reuse high density |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420730617.4U CN204417271U (en) | 2014-11-30 | 2014-11-30 | The equipment of the complicated waste water of nanometer film distillation treatment and reuse high density |
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| CN204417271U true CN204417271U (en) | 2015-06-24 |
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| CN201420730617.4U Expired - Fee Related CN204417271U (en) | 2014-11-30 | 2014-11-30 | The equipment of the complicated waste water of nanometer film distillation treatment and reuse high density |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104445780A (en) * | 2014-11-30 | 2015-03-25 | 武汉尚远环保股份有限公司 | Method and equipment for treating and recycling high-concentration complex wastewater through nanometer membrane distillation |
-
2014
- 2014-11-30 CN CN201420730617.4U patent/CN204417271U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104445780A (en) * | 2014-11-30 | 2015-03-25 | 武汉尚远环保股份有限公司 | Method and equipment for treating and recycling high-concentration complex wastewater through nanometer membrane distillation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20211130 |