CN104773920B - A kind of self-cleaning type periosteum device processing high saliferous high sludge concentration waste water - Google Patents
A kind of self-cleaning type periosteum device processing high saliferous high sludge concentration waste water Download PDFInfo
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- CN104773920B CN104773920B CN201510176613.5A CN201510176613A CN104773920B CN 104773920 B CN104773920 B CN 104773920B CN 201510176613 A CN201510176613 A CN 201510176613A CN 104773920 B CN104773920 B CN 104773920B
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Abstract
The present invention relates to a kind of self-cleaning type periosteum device processing high saliferous high sludge concentration waste water, including biochemical treatment tank, water pump, cyclone and periosteum group, the water inlet of biochemical treatment tank connects water inlet pipe, the outlet of biochemical treatment tank is connected with the water inlet end of water pump, the water side of water pump is connected with the entrance point of cyclone, the upper end outlet of cyclone connects periosteum group, the lower end outlet of cyclone is provided with mud valve, periosteum group includes two the first periosteums being vertically arranged and the second periosteum, balanced valve it is provided with between periosteum, the port of export of the second periosteum is connected with biochemical treatment tank, it is respectively arranged with permeate outlet on first periosteum and the second periosteum sidewall.Present configuration is simple, compact to design, use the combination of cyclone and periosteum group, periosteum to be vertically arranged and can timing self-cleaning, solid particle bigger for density is separated from water in cyclone by waste water and outlet is discharged from lower end, decrease the pollution of periosteum face, extend the service life of periosteum.
Description
Technical field
The present invention relates to a kind of periosteum device, belong to technical field of sewage treatment equipment.
Background technology
Traditional highly salt containing organic waste water, through biochemical treatment, Organic substance is converted into the formation of mud by microorganism, is processed by film after needing to be settled by second pond again, and producing can be with the water of reuse, and this method exists investment and takes up an area the problems such as bigger.Periosteum, owing to having bigger runner, can suppress film surface pollution, to maintain higher flux by the method increasing crossflow velocity.But, change along with technical processs such as sludge concentration, salinity, temperature, bigger mud granule material easily deposits on film surface, salinity is easier to separate out on film surface and deposit surface, the reciprocal action of the two produces local stoppages, and runner reduces blocking region and expands, and causes membrane tube cannot normally work because of blocking, can only quit work and be overhauled by manual method, have a strong impact on the application of periosteum.
Summary of the invention
The invention aims to solve the most blocked problem causing treatment effect bad in film surface during periosteum process waste water in prior art, providing a kind of simple in construction, compact to design is applicable to process the self-cleaning type periosteum device of high saliferous high sludge concentration waste water.
nullThe present invention adopts the following technical scheme that a kind of self-cleaning type periosteum device processing high saliferous high sludge concentration waste water，Including biochemical treatment tank、Water pump、Cyclone and periosteum group，The water inlet of described biochemical treatment tank connects water inlet pipe，The outlet of described biochemical treatment tank is connected with the water inlet end of water pump，The water side of described water pump is connected with the entrance point of cyclone，The upper end outlet of described cyclone connects periosteum group，The lower end outlet of described cyclone is provided with mud valve，Described periosteum group includes two the first periosteums being vertically arranged and the second periosteum，The entrance point of described first periosteum is connected to the upper end outlet of cyclone，The port of export of described first periosteum and the entrance point of the second periosteum are connected，It is provided with balanced valve between described first periosteum and the second periosteum，The port of export of described second periosteum is connected with biochemical treatment tank by concentrated solution house steward，It is respectively arranged with permeate outlet on the sidewall of described first periosteum and the second periosteum upper end，Described permeate outlet is connected on permeate house steward by pipeline.
Further, described periosteum group is provided with 1-4, is sequentially connected in series between described periosteum group.
Further, the entrance point of described every grade of periosteum group is connected to cyclone.
Further, the bottom of described biochemical treatment tank is provided with aeration tube.
Further, the flow speed control of the entrance point of described cyclone is 0.5～4m/s, and liquid is 0.5～5kPa at entrance point and the outlet pressure reduction of cyclone.
Further, described mud valve is operated pneumatic valve, electrically operated valve and electromagnetic valve, and described mud valve arranges 10s～5h and arranges once, every time row 2～5s.
Further, described periosteum plant running 1～3000h stops water pump conveying and carries out self-cleaning, in periosteum group the first periosteum and the second periosteum add 10 through side～60KPa hydraulic pressure permeate, the self-cleaning time is 20s～10min.
Further, described periosteum plant running 1～3000h stops water pump conveying and carries out self-cleaning, opens the balanced valve of periosteum group and progressively opens mud valve, liquid in venting periosteum group, relying on the permeate outside periosteum to clear up film surface pollution from thing, the self-cleaning time is 20s～10min.
Present configuration is simple, compact to design, use the combination of cyclone and periosteum group, periosteum be vertically arranged setting and can timing self-cleaning, waste water is transported to cyclone inlets by biochemical treatment tank water pump, and waste water is eddy flow in cyclone, under centrifugal action, the solid particle that density is bigger is separated from water, and solid particle is exported by the lower end of cyclone and discharges, it is adaptable to the process of high saliferous high sludge concentration waste water, the pollution of periosteum face can be reduced, extend the service life of periosteum.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Reference: biochemical treatment tank 1, water inlet pipe 2, water pump 3, one-level cyclone 4, one-level periosteum group the 5, first periosteum the 6, second periosteum the 7, first balanced valve the 8, first permeate outlet the 9, second permeate outlet 10, diode film group 11, first row slurry valve 12, second row slurry valve 13, permeate house steward 14, concentrated solution house steward 15, aeration tube 16, second cyclone the 17, second balanced valve 18.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
nullA kind of self-cleaning type periosteum device processing high saliferous high sludge concentration waste water，Including biochemical treatment tank 1、Water pump 3、Cyclone and periosteum group，The water inlet of biochemical treatment tank 1 connects water inlet pipe 2，The lower end of biochemical treatment tank 1 connects aeration tube 16，The outlet of biochemical treatment tank 1 is connected with the water inlet end of water pump 3，The water side of water pump 3 is connected with the entrance point of cyclone，The upper end outlet of cyclone connects periosteum group，Periosteum group is provided with 1-4，It is sequentially connected in series between each periosteum group，The lower end outlet of cyclone is provided with mud valve，Mud valve is operated pneumatic valve、Electrically operated valve and electromagnetic valve，Mud valve arranges 10s～5h and arranges once，Row 2～5s every time，Each periosteum group includes two the first periosteum 6 and the second periosteums 7 being vertically arranged respectively，The entrance point of the first periosteum 6 is connected to the upper end outlet of cyclone，The port of export of the first periosteum 6 and the entrance point of the second periosteum 7 are connected，It is provided with balanced valve between the first periosteum 6 and the second periosteum 7，The port of export of the second periosteum 7 is connected with biochemical treatment tank 1 by concentrated solution house steward 15，It is respectively arranged with permeate outlet on the sidewall of the first periosteum 6 and the second periosteum 7 upper end，Permeate outlet is connected on permeate house steward by pipeline，The entrance point of every grade of periosteum group is connected to cyclone，The flow speed control of the entrance point of cyclone is 0.5～4m/s，Liquid is 0.5～5kPa at entrance point and the upper end outlet pressure reduction of cyclone，The self-cleaning method of the self-cleaning type periosteum device that employing processes high saliferous high sludge concentration waste water is that plant running 1～3000h termination of pumping conveying carries out self-cleaning，Periosteum group add 10 through side～60KPa hydraulic pressure permeate，The self-cleaning time is 20s～10min，Or plant running 1～3000h termination of pumping conveying carries out self-cleaning，Open the balanced valve in the middle of periosteum group and progressively open bottom mud valve，Liquid in venting membrane tube group，Rely on the permeate outside membrane tube that film surface pollution is cleared up from thing，The self-cleaning time is 20s～10min.
nullAs shown in Figure 1，A kind of self-cleaning type periosteum device processing high saliferous high sludge concentration waste water，Including biochemical treatment tank 1、Water pump 3、Cyclone and two groups of periosteum groups，Two groups of periosteum groups are respectively one-level periosteum group 5、Diode film group 11，The water inlet of biochemical treatment tank 1 connects water inlet pipe 2，The outlet of biochemical treatment tank 1 is connected with the water inlet end of water pump 3，The water side of water pump 3 is connected with the entrance point of one-level cyclone 4，The upper end outlet of one-level cyclone 4 connects one-level periosteum group 5，One-level periosteum group 5 and diode film group 11 are sequentially connected in series，Every grade of periosteum group includes two the first periosteum 6 and the second periosteums 7 being vertically arranged respectively，The entrance point of the first periosteum 6 is connected to the port of export of one-level cyclone 4，The port of export of the first periosteum 6 connects the entrance point of the second periosteum 7，The port of export of the second periosteum 7 connects the entrance point of second cyclone 17，The port of export of second cyclone 17 connects diode film group 11，The connection end of two periosteums of one-level periosteum group 5 is provided with the first balanced valve 8，Two periosteums of diode film group 11 connect end and are provided with the second balanced valve 18，The port of export of diode film group is connected with biochemical treatment tank 1 by concentrated solution house steward 15，It is provided with the first permeate outlet 9 and the second permeate outlet 10 on the first periosteum in every grade of periosteum group and the sidewall of the second periosteum，One-level cyclone 4、The lower end outlet of second cyclone 17 is disposed with first row slurry valve 12 respectively、Second row slurry valve 13.
nullUsing method: waste water is entered biochemical treatment tank 1 by water inlet pipe 2，Aeration tube 16 it is provided with bottom biochemical treatment tank 1，Aeration tube 16 provides oxygen needed for biochemical treatment，Suspension after biochemical treatment is entered in one-level cyclone 4 by water pump 3，Silt in suspension is detained in one-level cyclone 4 after one-level cyclone 4，Liquid is entered in the first periosteum 6 in one-level periosteum group 5 and the second periosteum 7 by the upper end outlet of one-level cyclone 4，Permeate in first periosteum 6 and the second periosteum 7 is entered in permeate house steward 14 by the permeate outlet on sidewall，In periosteum, remaining concentrated solution is entered second cyclone 17 by the second periosteum 7 port of export end through piping，Concentrated solution enters in diode film group 11 through the upper end outlet of second cyclone 17，Concentrated solution is back in biochemical treatment tank 1 after diode film group 11.Open the first row slurry valve 12 bottom one-level cyclone 4, second cyclone 17, mud that second row slurry valve 13 is discharged in waste water, mud valve is operated pneumatic valve and arranges 10s～5h row once, row 2～5s every time, permeate is discharged by the permeate outlet on periosteum sidewall in every grade of periosteum group, permeate is flowed out by permeate house steward 14, during use, the flow speed control of the entrance point of every grade of cyclone is 0.5～4m/s, and liquid is 0.5～5kPa at entrance point and the outlet pressure reduction of every grade of cyclone.
The present invention periosteum plant running 1～3000h termination of pumping conveying carry out self-cleaning, every grade of periosteum group add 10 through side～60KPa hydraulic pressure permeate, the self-cleaning time is 20s～10min；Or open the balanced valve in the middle of every grade of periosteum group and progressively open the mud valve bottom every grade of cyclone, liquid in periosteum group in venting periosteum group, rely on the permeate outside membrane tube that film surface pollution is cleared up from thing, the self-cleaning time is 20s～10min, or uses the combination of two kinds of methods to carry out self-cleaning.
Claims (1)
- null1. the self-cleaning type periosteum device processing high saliferous high sludge concentration waste water，It is characterized in that: include biochemical treatment tank (1)、Water pump (3)、Cyclone and periosteum group，The water inlet of described biochemical treatment tank (1) connects water inlet pipe (2)，The outlet of described biochemical treatment tank (1) is connected with the water inlet end of water pump (3)，The water side of described water pump (3) is connected with the entrance point of cyclone，The upper end outlet of described cyclone connects periosteum group，The lower end outlet of described cyclone is provided with mud valve，Described periosteum group includes two the first periosteums (6) being vertically arranged and the second periosteum (7)，The entrance point of described first periosteum (6) is connected to the upper end outlet of cyclone，The port of export of described first periosteum (6) and the entrance point of the second periosteum (7) are connected，It is provided with balanced valve between described first periosteum (6) and the second periosteum (7)，The port of export of described second periosteum is connected with biochemical treatment tank (1) by concentrated solution house steward (15)，It is respectively arranged with permeate outlet on the sidewall of described first periosteum and the second periosteum upper end，Described permeate outlet is connected on permeate house steward (14) by pipeline；Described periosteum group is provided with 1 ~ 4, is sequentially connected in series between described periosteum group；The entrance point of described each periosteum group is connected to cyclone；The bottom of described biochemical treatment tank (1) is provided with aeration tube (16)；The flow speed control of the entrance point of described cyclone is 0.5 ~ 4m/s, and liquid is 0.5 ~ 5kPa at the entrance point of cyclone and the pressure reduction of upper end outlet；Described mud valve is operated pneumatic valve, electrically operated valve or electromagnetic valve, and described mud valve arranges 10s ~ 5h and arranges once, arranges 2 ~ 5s every time；Described periosteum plant running 1 ~ 3000h stops water pump conveying and carries out the method for self-cleaning and include two kinds: add 10 ~ 60KPa hydraulic pressure permeate by the first periosteum in periosteum group and the second periosteum through side, and the self-cleaning time is 20s ~ 10min；Or open the balanced valve of periosteum group and progressively open mud valve, liquid in venting periosteum group, rely on the permeate outside periosteum to film surface pollution thing self-cleaning, the self-cleaning time is 20s ~ 10min.
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| CN202237816U (en) * | 2011-08-18 | 2012-05-30 | 郑州银科尔科技有限公司 | Efficient self-cleaning membrane separation and purification device |
| CN202643421U (en) * | 2012-07-11 | 2013-01-02 | 上海世渊环保科技有限公司 | External jet membrane bioreactor |
| CN103755100A (en) * | 2014-01-21 | 2014-04-30 | 重庆林德科技发展有限公司 | Method for solving membrane bio-reactor (MBR) membrane blocking and composite MBR membrane bio-reaction system |
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| JP2014091070A (en) * | 2012-11-01 | 2014-05-19 | Toray Ind Inc | Method for processing organic waste water |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202237816U (en) * | 2011-08-18 | 2012-05-30 | 郑州银科尔科技有限公司 | Efficient self-cleaning membrane separation and purification device |
| CN202643421U (en) * | 2012-07-11 | 2013-01-02 | 上海世渊环保科技有限公司 | External jet membrane bioreactor |
| CN103755100A (en) * | 2014-01-21 | 2014-04-30 | 重庆林德科技发展有限公司 | Method for solving membrane bio-reactor (MBR) membrane blocking and composite MBR membrane bio-reaction system |
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