CN202529928U - Equipment for recycling and treating reverse osmosis concentrated water through pipe type microfiltration membrane - Google Patents
Equipment for recycling and treating reverse osmosis concentrated water through pipe type microfiltration membrane Download PDFInfo
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- CN202529928U CN202529928U CN2012201612196U CN201220161219U CN202529928U CN 202529928 U CN202529928 U CN 202529928U CN 2012201612196 U CN2012201612196 U CN 2012201612196U CN 201220161219 U CN201220161219 U CN 201220161219U CN 202529928 U CN202529928 U CN 202529928U
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Abstract
The utility model relates to recycle and treatment of industrial waste water and in particular relates to equipment for treating concentrated water generated during a process that pure water is prepared by using a reverse osmosis technology and having high salt content through using a pipe type microfiltration membrane for recycling the concentrated water. The equipment comprises a waste water concentration groove, a pipe type microfiltration membrane assembly machine set, an automatic control cabinet, a flushing water tank, a cleaning water tank, a water supply circulating pump and a cleaning pump, and the equipment is characterized by further comprising a waste water pretreatment reaction groove, a TMF (thin metal film) water tank and a plate-and-frame filter press; the waste water pretreatment reaction groove is arranged in front of the waste water concentration groove, a waste water inlet pipeline is arranged on the top part of the waste water pretreatment reaction groove, and a discharge pipe is arranged on the bottom of the waste water pretreatment reaction groove; an overflow groove is arranged between the waste water pretreatment reaction groove and the waste water concentration groove, and a communicated storage space is formed by the waste water pretreatment reaction groove and the waste water concentration groove through the overflow groove; and the TMF water tank is arranged at a filtering water outlet of the pipe type microfiltration membrane assembly machine set.
Description
Technical field
The utility model relates to industrial effluent reusing to be handled, and especially a kind of tube type filter membrance that utilizes prepares the equipment that the high condensed water of salinity is handled the realization reuse that contains that produces in the pure water process to reverse osmosis process.
Background technology
In the pure water preparation field, reverse osmosis technology is full-fledged.Use reverse osmosis technology to prepare pure water; Can remove solvability inorganic salts in the water of source, dissolved organic matter etc.; Successfully replace traditional distillation method and ion resin exchange process, become and use the most basic pure water preparation technology in the industrial pure water preparation field.
But, reverse osmosis process to the pure water water rate of source water generally about 75%.In the output pure water, because remaining impurities has been concentrated, also 25% of the active water yield water becomes dense water because salt concentration concentration is big, hardness is high.If this dense water can not get appropriate disposal, directly enter natural water body, will inevitably have a negative impact to water surrounding.Domesticly at present do not carry out special disposal basically for reverse osmosis concentrated water.Usually the discharge method that adopts is directly to be discharged.Another kind of mode is to enter surface water body indirectly; With dense water with handle after municipal drainage, trade effluent or power plant cooling water or rainwater mixes that the back is discharged etc.; Also has the well injection of technical sophistication etc.; These all can't effectively be dealt with problems, and directly the discharging meeting has a negative impact to environment.Along with the progressively deterioration of water surrounding and the anxiety day by day of water resources, how reuse is handled and realized to this condensed water, improve utilization ratio to former water, be imperative.
This dense water that r-o-produces generally all is that saltiness is big, and hardness is high.Because prepare in the de-salted water process at reverse osmosis process, reverse osmosis membrane itself can not be removed soluble substance and the insoluble solid impurity in any water, and film is just held back these compositions, and enrichment is in dense water.The calcium that wherein contains, magnesium leave and activated silica is easy to cause reverse osmosis membrane fouling.Therefore, the reuse of dense water except needs reduce other metallic salt, also must reduce the concentration of hardness and silicon.Because this characteristic is carried out Treatment for Reuse to this dense water, has brought technical difficulty, especially need be applicable to practical technique and equipment on the industrial applications.
The process method of dense water Treatment for Reuse commonly used has:
1, directly add the first-stage reverse osmosis device and reclaim condensed water, in general the recovery can only reach 50%.Because fouling is serious, need adds Scale inhibitors and adjust the pH value to prevent fouling.
2, use lime and yellow soda ash that dense water softening is handled then and filter, re-use the reverse osmosis unit recycling.Wherein, use the softening treatment effect of lime and yellow soda ash better, silicon is also had certain removal effect, adding the magnesium salts effect simultaneously can be better.In order effectively to precipitate and to accelerate sedimentation speed, also need add a certain amount of flocculation agent, coagulant aids.Must use settling tank simultaneously, floor space is also bigger.Also need add more medium filter, or ultrafiltration is as the pre-treatment of r-o-.
At present, to employed various treatment processs of this dense water Treatment for Reuse and device, often be difficult to reach the ideal results of industrial application.
The utility model content
The utility model technical problem to be solved provides a kind of equipment that utilizes tube type filter membrance Treatment for Reuse reverse osmosis concentrated water; Be used for the Treatment for Reuse reverse osmosis concentrated water; It comes the high dense water of salinity that contains that is produced is carried out Treatment for Reuse through the special process flow process; Need not to add flocculation agent and coagulating agent, just can guarantee to stablize, output pure water expeditiously.
For solving the problems of the technologies described above, the utility model is realized as follows: the said a kind of equipment of tube type filter membrance Treatment for Reuse reverse osmosis concentrated water that utilizes of the utility model comprises waste water thickener, tube type filter membrance assembly unit, automatic control cabinet, flush box, cleaning water tank, water supply recycle pump and scavenging pump; Tube type filter membrance assembly unit is fixedly connected with the waste water thickener through pipeline, and constitutes water-flow circuit; The lower end of waste water thickener is fixed in the ingress of water-flow circuit, and the ingress is provided with the water supply recycle pump, and the end of water-flow circuit is provided with concentrated return water pipe, and the water outlet that concentrates return water pipe is fixed in the upper end of waste water thickener; Tube type filter membrance assembly unit also is communicated with water producing pipe through pipeline; Clean water tank and flush box and be communicated with the waterwater entrance end of tube type filter membrance assembly unit through pipeline, connecting pipeline is provided with scavenging pump; Automatic control cabinet electrically connects through circuit and the regulating and controlling valve, control and the measuring instrument formation that are fixedly connected on the pipeline, it is characterized in that: also comprise Wastewater Pretreatment reactive tank, TMF tank and plate-and-frame filter press; Said Wastewater Pretreatment reactive tank is arranged at before the waste water thickener; Its top is provided with the inlet channel of waste water; The bottom is provided with delivery pipe, is used for collecting r-o-and prepares the concentrated waste water that the de-salted water process produces, and therein waste water is carried out the particular chemical pre-treatment; Carrying out the particular chemical pre-treatment is to make the soluble impurity (inorganic salts) in the water generate the insoluble solid particle; Form the solid-liquid mixing water, do not add flocculation agent and coagulating agent in the treating processes, for example Poly aluminum Chloride (PAC), SEPIGEL 305 (PAM), gather phosphorus aluminum chloride (PPAC) etc.Be provided with overflow groove between said Wastewater Pretreatment reactive tank and the waste water thickener; The Wastewater Pretreatment reactive tank forms the storage space that is communicated with the waste water thickener through overflow groove, and the solid-liquid mixing water gets into the waste water thickener with the overflow mode in the Wastewater Pretreatment reactive tank; Said TMF tank is claimed the tube type filter membrance tank again, and it is arranged at tube type filter membrance assembly unit filtered water water outlet place, is used to collect the filtered water that after tube type filter membrance assembly unit filters, obtains.
Also be provided with automatic stirrer on the said Wastewater Pretreatment reactive tank, be used at Chemical Pretreatment process stirred solution constantly, temperature generally is controlled at: about 15 ℃-30 ℃, promote that chemical reaction evenly carries out.
Be provided with plate-and-frame filter press after the bottom drain outlet of said waste water thickener, the waste water in the waste water thickener is discharged through discharge tube, gets into the plate-and-frame filter press processed, and the less water of generation is sent the Wastewater Pretreatment reactive tank back to, the outward transport of gained mud cake.
Said a kind of its step of handling the reuse reverse osmosis concentrated water of equipment of tube type filter membrance Treatment for Reuse reverse osmosis concentrated water of utilizing of the utility model is:
A, the dense water that r-o-is produced are injected in the Wastewater Pretreatment reactive tank; In the Wastewater Pretreatment reactive tank, carry out special chemical treatment through adding chemical reagent; Make solubility salt impurity form the insoluble solid particle suspensions, make this solid-liquid mixing water overflow to the waste water thickener then;
Solid-liquid mixing water in b, the waste water thickener is to flow through in certain pressure and the tube type filter membrance pipe of flow velocity in tube type filter membrance assembly unit, and the micropore that water then vertically sees through tube type filter membrance flows in the TMF tank through pipeline;
After c, solid-liquid mixing water flow through tube type filter membrance assembly unit, the concentrated return water pipe of flowing through returned in the waste water thickener, realizes circulating filtration;
The filtered water of accumulating in d, the TMF tank generates pure water after handling through reverse osmosis process, and its reverse osmosis concentrated water that obtains after handling through reverse osmosis process flows back to the Wastewater Pretreatment reactive tank through pipeline, realizes the reflux cycle processing;
E, flush box decline the clear water injection tube of inside in the filter membrane component unit after equipment operation certain hour, carry out back flushing, thereby remove obstruction material in the pipe;
F, clean water tank and after equipment operation certain hour, the clean-out system injection tube of internal proprietary is declined in the filter membrane component unit, carry out matting;
G, after concentration of solid particles reaches certain value in the waste water thickener, discharge, get into the plate-and-frame filter press processed via the discharge tube of waste water thickener bottom; The water that after the plate-and-frame filter press processed, obtains flows back in the Wastewater Pretreatment reactive tank through pipeline, realizes the reflux cycle processing.
The positively effect of the utility model: the said a kind of equipment that utilizes tube type filter membrance Treatment for Reuse reverse osmosis concentrated water of the utility model; It has and reverse osmosis concentrated water is carried out Chemical Pretreatment makes inorganic salts form the specific technique of solid particulate and the specific technique of tube type filter membrance solid-liquid separation system; Also has the automation control system that makes equipment high efficiency, steady running; And adopt the cross flow filter mode of particular stream traffic parameter that waste water is carried out circulating filtration, accomplish Treatment for Reuse.Simultaneously; In equipment running process; Characteristic to tube type filter membrance is carried out suitable regular and irregular back flushing and matting to the tube type filter membrance assembly, and maintenance equipment is stable, output pure water efficiently, and the utilization ratio of source water is brought up to more than 93% by 75%.The whole plant overall compact, floor space is little, handles to reclaim in the waste water process to need not to use pharmaceutical chemicalss such as flocculation agent, coagulant aids, can remove settling tank, and treatment effect is good, and efficient is high, can reach the ideal results of industrial application fully.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation.
Fig. 1 is the process flow diagram of the utility model
Embodiment
The said a kind of equipment of tube type filter membrance Treatment for Reuse reverse osmosis concentrated water that utilizes of the utility model comprises Wastewater Pretreatment reactive tank, waste water thickener, tube type filter membrance assembly unit, automatic control cabinet, flush box, cleaning water tank, water supply recycle pump, scavenging pump, TMF tank and plate-and-frame filter press; As shown in Figure 1, as specific embodiment, the Wastewater Pretreatment reactive tank can be set to two; Be respectively reactive tank 1 and reactive tank 2, all be arranged at before the waste water thickener, its top is provided with the inlet channel of waste water; The bottom is provided with delivery pipe, is used for collecting r-o-and prepares the concentrated waste water that the de-salted water process produces, and therein waste water is carried out the particular chemical pre-treatment; Carrying out the particular chemical pre-treatment is to make the soluble impurity (inorganic salts) in the water generate the insoluble solid particle; Form the solid-liquid mixing water, do not add flocculation agent and coagulating agent in the treating processes, for example Poly aluminum Chloride (PAC), SEPIGEL 305 (PAM), gather phosphorus aluminum chloride (PPAC) etc.Then, this solid-liquid mixing water is got into the waste water thickener with the overflow mode; Also be provided with automatic stirrer on the said Wastewater Pretreatment reactive tank, be used at Chemical Pretreatment process stirred solution constantly, temperature generally is controlled at: about 15 ℃-30 ℃, promote that chemical reaction evenly carries out; Said tube type filter membrance assembly unit is fixedly connected with the waste water thickener through pipeline; And formation water-flow circuit; Wherein the main effect of waste water thickener is exactly to be used to store the waste water that the overflow of Wastewater Pretreatment reactive tank is come, and the bottom of waste water thickener also is provided with discharge tube; Be provided with plate-and-frame filter press after the delivery pipe outlet, the waste water in the waste water thickener is discharged through discharge tube, gets into the plate-and-frame filter press processed, and the less water of generation is sent the Wastewater Pretreatment reactive tank back to, the outward transport of gained mud cake.
The lower end of waste water thickener is fixed in the ingress of said water-flow circuit; The ingress is provided with the water supply recycle pump, and the end of water-flow circuit is provided with concentrated return water pipe, and the water outlet that concentrates return water pipe is fixed in the upper end of waste water thickener; Can realize return of waste water, carry out circulating filtration and handle; The water supply recycle pump will be according to the technological design predetermined parameter; Make the waste water high flow rate in the waste water thickener get in the tube type filter membrance assembly unit; Provide waste water at the continuous round-robin power of internal system and make water see through the power that tube type filter membrance purifies; Waste water along tube type filter membrance forward mobile simultaneously, water sees through fenestra from vertical direction and flows to the film pipe outside, and injects the TMF tank; The filtered water of accumulating in the TMF tank generates pure water after handling through reverse osmosis process, and its reverse osmosis concentrated water that obtains after handling through reverse osmosis process flows back to the Wastewater Pretreatment reactive tank through pipeline, realizes the reflux cycle processing; Be trapped within film pipe solid particles inside, following waste water and after constantly concentrating, turning back to the waste water thickener in the flow process forward.
Said cleaning water tank and flush box are communicated with the waterwater entrance end of tube type filter membrance assembly unit through pipeline; Connecting pipeline is provided with scavenging pump; The two will be under the regulating and controlling valve that receives automatic control cabinet control, control and measuring instrument be coordinated; The tube type filter membrance assembly is carried out suitable regular and irregular back flushing and matting, thereby can keep stablizing, working efficiently of equipment, for example equipment filters operation 10-30 minute; Just use the cleaning water in the flush box to carry out back flushing automatically, the time is 10-60 second; This equipment moves 100-200 hour after having adopted special backwashing technology, just need use the clean-out system that cleans special use in the water tank that pipeline is carried out matting.
What need particularly point out is that the above only is the preferable embodiment of the device structure of the utility model, is not that the technical scope of the utility model is made any restriction.Therefore, every core technology according to the utility model, any trickle modification, modification and equivalent variations to above instance is made all still belong within the technological category of the utility model, all belong to the protection domain of the utility model patent.
Claims (3)
1. an equipment that utilizes tube type filter membrance Treatment for Reuse reverse osmosis concentrated water comprises waste water thickener, tube type filter membrance assembly unit, automatic control cabinet, flush box, cleaning water tank, water supply recycle pump and scavenging pump; Tube type filter membrance assembly unit is fixedly connected with the waste water thickener through pipeline, and constitutes water-flow circuit; The lower end of waste water thickener is fixed in the ingress of water-flow circuit, and the ingress is provided with the water supply recycle pump, and the end of water-flow circuit is provided with concentrated return water pipe, and the water outlet that concentrates return water pipe is fixed in the upper end of waste water thickener; Tube type filter membrance assembly unit also is communicated with water producing pipe through pipeline; Clean water tank and flush box and be communicated with the waterwater entrance end of tube type filter membrance assembly unit through pipeline, connecting pipeline is provided with scavenging pump; Automatic control cabinet electrically connects through circuit and the regulating and controlling valve, control and the measuring instrument formation that are fixedly connected on the pipeline, it is characterized in that: also comprise Wastewater Pretreatment reactive tank, TMF tank and plate-and-frame filter press; Said Wastewater Pretreatment reactive tank is arranged at before the waste water thickener, and its top is provided with the inlet channel of waste water, and the bottom is provided with delivery pipe; Be provided with overflow groove between said Wastewater Pretreatment reactive tank and the waste water thickener, the Wastewater Pretreatment reactive tank forms the storage space that is communicated with the waste water thickener through overflow groove; Said TMF tank is arranged at tube type filter membrance assembly unit filtered water water outlet place.
2. a kind of equipment that utilizes tube type filter membrance Treatment for Reuse reverse osmosis concentrated water according to claim 1 is characterized in that: also be provided with automatic stirrer on the said Wastewater Pretreatment reactive tank.
3. a kind of equipment that utilizes tube type filter membrance Treatment for Reuse reverse osmosis concentrated water according to claim 1 is characterized in that: be provided with plate-and-frame filter press after the bottom drain outlet of said waste water thickener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201612196U CN202529928U (en) | 2012-04-17 | 2012-04-17 | Equipment for recycling and treating reverse osmosis concentrated water through pipe type microfiltration membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201612196U CN202529928U (en) | 2012-04-17 | 2012-04-17 | Equipment for recycling and treating reverse osmosis concentrated water through pipe type microfiltration membrane |
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| Publication Number | Publication Date |
|---|---|
| CN202529928U true CN202529928U (en) | 2012-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201612196U Expired - Lifetime CN202529928U (en) | 2012-04-17 | 2012-04-17 | Equipment for recycling and treating reverse osmosis concentrated water through pipe type microfiltration membrane |
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| Country | Link |
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| CN (1) | CN202529928U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108217842A (en) * | 2018-01-24 | 2018-06-29 | 浙江南源环境工程技术有限公司 | A kind of device of the wet electric waste water of tubular type microfiltration systems processing |
-
2012
- 2012-04-17 CN CN2012201612196U patent/CN202529928U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108217842A (en) * | 2018-01-24 | 2018-06-29 | 浙江南源环境工程技术有限公司 | A kind of device of the wet electric waste water of tubular type microfiltration systems processing |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121114 |
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| CX01 | Expiry of patent term |