CN206318804U - A kind of cross flow tube type micro-filtration Waste Water Treatment - Google Patents

A kind of cross flow tube type micro-filtration Waste Water Treatment Download PDF

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CN206318804U
CN206318804U CN201621267127.0U CN201621267127U CN206318804U CN 206318804 U CN206318804 U CN 206318804U CN 201621267127 U CN201621267127 U CN 201621267127U CN 206318804 U CN206318804 U CN 206318804U
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tube type
pipeline
cross flow
waste water
water
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CN201621267127.0U
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林贵彪
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Huizhou Jinmao Source Environmental Protection Technology Co Ltd
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Huizhou Jinmao Source Environmental Protection Technology Co Ltd
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Abstract

The utility model discloses a kind of cross flow tube type micro-filtration Waste Water Treatment, the system includes flocculation basin, tube type filter membrance processing unit, reverse osmosis membrane processing device and the reuse pool being sequentially connected by pipeline, wherein, the tube type filter membrance processing unit includes tube type filter membrance element, frame, pickling liquid bath, alkali cleaning liquid bath, backwash tank and concentrated water pond.Cross flow tube type micro-filtration Waste Water Treatment floor space of the present utility model is small, can effectively control filter effect by adjusting the quantity and operating pressure of tube type filter membrance element, whole system, which can coordinate, uses Automated condtrol, reduces manual maintenance workload.And pickling, alkali cleaning, the cleaning of water backwashing are comprehensively used, and combines addition calcium chloride and Powdered Activated Carbon, can effectively extend membrane lifetime, improve the operation stability of system.

Description

A kind of cross flow tube type micro-filtration Waste Water Treatment
Technical field
The utility model is related to water-treatment technology field, more particularly to a kind of cross flow tube type micro-filtration Waste Water Treatment.
Background technology
In wastewater processing technology, flocculation sediment and filtering are very important technique, can make to give up by precipitation and filtering Solid-liquid separation of pollutants in water, removes a large amount of suspensions and pollutant.Coagulation, two stage treatment and the tertiary treatment of waste water All refer to separation of solid and liquid.The solid-liquid separation technique of conventional waste water Processing tecchnics be concentrated mainly on gravitational settling, flotation, press filtration and In terms of filtering.Gravitational settling refers mainly to the process sections such as sand setting and precipitation, it is adaptable to which precipitate density is bigger than water density, it is easy because Action of Gravity Field and the separation of solid and liquid of pollutant to sinking;Flotation refers mainly to air-float technology, there may be in water ratio for handling It is less than the pollutants such as 1 suspension, oils and fat again;Press filtration generally refers to be applied to the higher muddy water of sludge concentration, otherwise Handle load big, be not suitable for handling waste water;Sewage solid separation filtering technique be primarily referred to as more medium filter, carbon filter and Ultrafiltration etc..But the solid-liquid separation process or device mentioned in above wastewater treatment are present, and floor space is big, fund input is more, certainly The unstable shortcoming of dynamicization low degree, outlet effect.
At present, in order to alleviate soil pressure, improve water utilization rate, especially pay attention to low in Waste Water Treatment design The system design of floor space, high treatment efficiency and high reclamation rate.
Therefore, it is necessary to develop it is a kind of efficiently separate the excellent Waste Water Treatment of suspension in waste water, treatment effect, It is required that with flow is few, high degree of automation, membrane lifetime length, the service life that occupies little space, extend back segment processing system etc. Advantage.
Utility model content
The purpose of this utility model be overcome weak point of the prior art there is provided a kind of cross flow tube type micro-filtration waste water at Reason system, alternative traditional sedimentation basin carries out filtration, purification to waste water, and reaches by film process the treatment effect of reuse.
The purpose of this utility model is achieved through the following technical solutions:
A kind of cross flow tube type micro-filtration Waste Water Treatment, the system includes flocculation basin, the tubular type being sequentially connected by pipeline Micro-filtration membrane treatment appts, reverse osmosis membrane processing device and reuse pool;
Wherein, the tube type filter membrance processing unit include tube type filter membrance element, frame, pickling liquid bath, alkali cleaning liquid bath, Backwash tank and concentrated water pond;Tube type filter membrance element has a water inlet, a production water out and a concentrated water outlet, flocculation Pond is connected by inlet pipeline with the water inlet of tube type filter membrance element, and production water out passes through water producing pipe road and reverse osmosis membrane processing Device is connected, and concentrated water outlet is connected by concentrated water pipeline with concentrated water pond;Tube type filter membrance element is arranged in frame;Pickling liquid bath And alkali cleaning liquid bath is connected by pipeline with inlet pipeline respectively;Backwash tank is connected by pipeline with water producing pipe road.
Preferably, the cross flow tube type micro-filtration Waste Water Treatment is additionally provided with calcium chloride solution groove, the calcium chloride is molten Liquid bath is connected by pipeline with inlet pipeline.Calcium chloride solution is added in waste water, can make in waste water suspended particulate formation compared with Big coagulated particles, help avoid molecule and block tube type filter membrance element, improve the stability and system operation of membrane flux Stability.
Preferably, the cross flow tube type micro-filtration Waste Water Treatment is additionally provided with feeding apparatus for powdered activated charcoal, the powder Last activated charcoal adding apparatus is connected by pipeline with inlet pipeline.It is useless containing chromium in industrial wastewater, especially electroplating processes industry In water, Powdered Activated Carbon can be added containing materials such as surfactant, organic matter colloidal types, absorption organic matter can be played, washed away The effect on film surface, it is ensured that system and the stabilization of membrane flux.
Preferably, the cross flow tube type micro-filtration Waste Water Treatment is additionally provided with concentrated water circulating pump, the concentrated water circulating pump It is connected respectively with concentrated water pond and inlet pipeline by circulation line.By concentrated water circulating pump, can be declined filter membrane component with control pipe Operating pressure, maintain stable permeant flux.
Preferably, being provided with acid pump and acid solution valve between the pickling liquid bath and the pipeline of inlet pipeline.Pass through control The unlatching of relieving haperacidity liquid pump and acid solution valve, can be passed through inlet pipeline, and then be passed through tube type filter membrance by the pickle in pickling liquid bath In element, the effect that pickling is carried out to tube type filter membrance element is reached.
Preferably, being provided with lye pump and alkali lye valve between the alkali cleaning liquid bath and the pipeline of inlet pipeline.Pass through control The unlatching of alkaline liquid pump and alkali lye valve, can be passed through inlet pipeline, and then be passed through tube type filter membrance by the alkali wash water in alkali cleaning liquid bath In element, the effect that alkali cleaning is carried out to tube type filter membrance element is reached.
Preferably, being provided with backwashing pump and recoil valve between the backwash tank and water producing pipe road.Pass through control The unlatching of backwashing pump and recoil valve, can be passed through water producing pipe road by the flushing water backwashed in tank, and then access tube declines filter In membrane component, the effect backwashed to tube type filter membrance element is reached, backwashing water carries out concentrated water pond by concentrated water pipeline In.
Above-mentioned technical proposal of the present utility model has advantages below compared with prior art:
(1) cross flow tube type micro-filtration Waste Water Treatment of the present utility model, passes through the cross-flow of tube type filter membrance processing unit Filtering, make the water outlet of flocculation basin under stress in the surface cross-flow passes of tube type filter membrance, solid particle with cross-flow state not Disconnected concentration, can will not be discharged into the pollutant of flocculation is smooth in concentrated water pond in film surface sediment.
(2) by the cooperation of flocculation basin and tube type filter membrance processing unit, it may be such that flocculate rapid precipitation is discharged, it is to avoid The problem of floor space brought in traditional handicraft using sedimentation basin is big, treatment effeciency is low.
(3) reverse osmosis membrane processing device is connected in tube type filter membrance processing unit rear end, tube type filter membrance processing can be filled The production water put carries out depth film process so that production water reaches reuse standard.
(4) cross flow tube type micro-filtration Waste Water Treatment floor space of the present utility model is small, can be by adjusting tubular type micro-filtration The quantity and operating pressure of membrane component effectively control filter effect, and whole system, which can coordinate, uses Automated condtrol, and reduction is artificial Maintenance workload.And pickling, alkali cleaning, the cleaning of water backwashing are comprehensively used, and combines addition calcium chloride and powder Activated carbon, can effectively extend membrane lifetime, improve the operation stability of system.
Brief description of the drawings
Fig. 1 is the structural representation of cross flow tube type micro-filtration Waste Water Treatment in embodiment.
Fig. 2 is the structural representation of tube type filter membrance processing unit in embodiment.
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings State.Better embodiment of the present utility model is given in accompanying drawing.But, the utility model can come in many different forms Realize, however it is not limited to embodiments described herein.On the contrary, the purpose for providing these embodiments is to make to this practicality newly It is more thorough comprehensive that the disclosure of type understands.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element Or can also have element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left side ", For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " bag Include the arbitrary and all combination of one or more related Listed Items.
As shown in figure 1, a kind of cross flow tube type micro-filtration Waste Water Treatment, including the flocculation basin being sequentially connected by pipeline 100th, tube type filter membrance processing unit 200, reverse osmosis membrane processing device 300 and reuse pool 400;
Wherein, as shown in Fig. 2 the tube type filter membrance processing unit includes tube type filter membrance element 201, frame 202, acid Washing lotion groove 203, alkali cleaning liquid bath 204, backwash tank 205 and concentrated water pond 206;Tube type filter membrance element 201 have a water inlet, One production water out and a concentrated water outlet, the water inlet phase that flocculation basin passes through inlet pipeline 500 and tube type filter membrance element 201 Even, production water out be connected by water producing pipe road 600 with reverse osmosis membrane processing device 300, concentrated water outlet pass through concentrated water pipeline 700 and Concentrated water pond 206 is connected;Tube type filter membrance element 201 is arranged in frame 202;Pickling liquid bath 203 and alkali cleaning liquid bath 204 lead to respectively Pipeline is crossed to be connected with inlet pipeline 600;Backwash tank 205 is connected by pipeline with water producing pipe road 600.
Wherein, the cross flow tube type micro-filtration Waste Water Treatment 200 is additionally provided with calcium chloride solution groove 207, the calcium chloride Solution tank 207 is connected by pipeline with inlet pipeline 600.Calcium chloride solution is added in waste water, the suspension in waste water can be made Particle shape into larger coagulated particles, help avoid molecule block tube type filter membrance element, improve membrane flux stability and System run all right.
Wherein, the cross flow tube type micro-filtration Waste Water Treatment 200 is additionally provided with feeding apparatus for powdered activated charcoal 208, described Feeding apparatus for powdered activated charcoal 208 is connected by pipeline with inlet pipeline 600.In industrial wastewater, especially electroplating processes industry Chromate waste water in, can add Powdered Activated Carbon containing the material such as surfactant, organic matter colloidal type, can play and be adsorbed with Machine thing, the effect for washing away film surface, it is ensured that system and the stabilization of membrane flux.
Wherein, the cross flow tube type micro-filtration Waste Water Treatment is additionally provided with concentrated water circulating pump 209, the concentrated water circulating pump 209 are connected with concentrated water pond 206 and inlet pipeline 600 respectively by circulation line 800.By concentrated water circulating pump 209, it can control The operating pressure of tube type filter membrance element 201, maintains stable permeant flux.
Wherein, acid pump 213 and acid solution valve are provided between the pipeline of the pickling liquid bath 203 and inlet pipeline 600 223.By controlling the unlatching of acid pump 213 and acid solution valve 223, the pickle in pickling liquid bath 203 can be passed through inlet pipeline 600, and then access tube declines in filter membrane component 201, reaches the effect that pickling is carried out to tube type filter membrance element 201.
Wherein, lye pump 214 and alkali lye valve are provided between the pipeline of the alkali cleaning liquid bath 204 and inlet pipeline 600 224.By controlling the unlatching of lye pump 214 and alkali lye valve 224, the alkali wash water in alkali cleaning liquid bath 204 can be passed through inlet pipeline 600, and then access tube declines in filter membrane component 201, reaches the effect that alkali cleaning is carried out to tube type filter membrance element 201.
Wherein, backwashing pump 215 and recoil valve 225 are provided between the backwash tank 205 and water producing pipe road 600. By controlling the unlatching of backwashing pump 215 and recoil valve 225, the flushing water backwashed in tank 205 can be passed through water producing pipe road 600, and then access tube declines in filter membrane component 201, reaches the effect backwashed to tube type filter membrance element 201, recoils Wash water is carried out in concentrated water pond 206 by concentrated water pipeline 700.
This cross flow tube type micro-filtration Waste Water Treatment can be used for carrying out advanced treating to industrial wastewater.With right in the present embodiment Electroplate exemplified by the chromate waste water processing in garden, processing step flow is as follows:
S1, coarse filtration, the pretreatment such as water quality adjustment are carried out to chromate waste water, then passed in flocculation basin;
S2, in flocculation basin, add the flocculants such as PAC, to chromate waste water carry out flocculation treatment;
S3, the chromate waste water in flocculation basin is passed through tube type filter membrance processing unit, chromate waste water passes through tube type filter membrance Element carries out cross-flow filtration, and obtained production water is passed through reverse osmosis membrane processing device, and concentrated water is discharged into concentrated water pond;Meanwhile, pass through control The operation of concentrated water circulating pump processed, adjustable pipe declines the internal pressure of filter membrane component, reaches optimal membrane flux;
S4, production water carry out reverse-osmosis treated in reverse osmosis membrane processing device, and obtained product water is passed through in reuse pool Row reuse, counter-infiltration dope drains into the concentration liquid processing device of outside and carries out minimizing and harmless treatment;
S5, after tube type filter membrance processing unit runs a period of time, carry out cleaning, by control pickling liquid bath, The cleaning fluid of the backwash tank of alkali cleaning liquid bath, carries out cleaning treatment to tube type filter membrance element, recovers membrane flux.
The above embodiment only expresses a kind of embodiment of the present utility model, and it describes more specific and detailed Carefully, but can not therefore and be interpreted as the limitation to the utility model the scope of the claims.It should be pointed out that for the general of this area For logical technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these are all Belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (7)

1. a kind of cross flow tube type micro-filtration Waste Water Treatment, it is characterised in that:The system includes the wadding being sequentially connected by pipeline Solidifying pond, tube type filter membrance processing unit, reverse osmosis membrane processing device and reuse pool;
Wherein, the tube type filter membrance processing unit includes tube type filter membrance element, frame, pickling liquid bath, alkali cleaning liquid bath, recoil Wash water groove and concentrated water pond;Tube type filter membrance element has a water inlet, a production water out and a concentrated water outlet, and flocculation basin leads to The water inlet that inlet pipeline is crossed with tube type filter membrance element is connected, and production water out passes through water producing pipe road and reverse osmosis membrane processing device It is connected, concentrated water outlet is connected by concentrated water pipeline with concentrated water pond;Tube type filter membrance element is arranged in frame;Pickling liquid bath and alkali Washing lotion groove is connected by pipeline with inlet pipeline respectively;Backwash tank is connected by pipeline with water producing pipe road.
2. a kind of cross flow tube type micro-filtration Waste Water Treatment according to claim 1, it is characterised in that the cross flow tube type Micro-filtration Waste Water Treatment is additionally provided with calcium chloride solution groove, and the calcium chloride solution groove is connected by pipeline with inlet pipeline.
3. a kind of cross flow tube type micro-filtration Waste Water Treatment according to claim 1, it is characterised in that the cross flow tube type Micro-filtration Waste Water Treatment is additionally provided with feeding apparatus for powdered activated charcoal, and the feeding apparatus for powdered activated charcoal passes through pipeline and water inlet Pipeline is connected.
4. a kind of cross flow tube type micro-filtration Waste Water Treatment according to claim 1, it is characterised in that the cross flow tube type Micro-filtration Waste Water Treatment is additionally provided with concentrated water circulating pump, the concentrated water circulating pump by circulation line respectively with concentrated water pond and water inlet Pipeline is connected.
5. a kind of cross flow tube type micro-filtration Waste Water Treatment according to claim 1, it is characterised in that the pickling liquid bath Acid pump and acid solution valve are provided between the pipeline of inlet pipeline.
6. a kind of cross flow tube type micro-filtration Waste Water Treatment according to claim 1, it is characterised in that the alkali cleaning liquid bath Lye pump and alkali lye valve are provided between the pipeline of inlet pipeline.
7. a kind of cross flow tube type micro-filtration Waste Water Treatment according to claim 1, it is characterised in that the backwashing water Backwashing pump and recoil valve are provided between groove and water producing pipe road.
CN201621267127.0U 2016-11-22 2016-11-22 A kind of cross flow tube type micro-filtration Waste Water Treatment Active CN206318804U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111874996A (en) * 2020-07-08 2020-11-03 江苏圣富利环境工程有限公司 Tubular microfiltration membrane wastewater treatment process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111874996A (en) * 2020-07-08 2020-11-03 江苏圣富利环境工程有限公司 Tubular microfiltration membrane wastewater treatment process

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