CN100999339A - Garbage percolation liquid treatment membrane column - Google Patents
Garbage percolation liquid treatment membrane column Download PDFInfo
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- CN100999339A CN100999339A CN 200710063279 CN200710063279A CN100999339A CN 100999339 A CN100999339 A CN 100999339A CN 200710063279 CN200710063279 CN 200710063279 CN 200710063279 A CN200710063279 A CN 200710063279A CN 100999339 A CN100999339 A CN 100999339A
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Abstract
This invention relates to processing membrane pillar of waste percolate, which includes round tube confined shell, spiral marking inside drawbar which is on confined shell axial ray, membranes penetrating inside drawbar, channelizing table for supporting membranes, and up terminal plate and below terminal plate installed at two ends of inside drawbar. Above up terminal plate is consisted of up terminal plate withstand voltage layer which is at outer layer and up terminal plate anticorrosive layer which is at inside layer. Below terminal plate is consisted of below terminal plate withstand voltage layer which is at outer layer and below terminal plate anticorrosive layer which is at inside layer. It utilizes metals and plastics to complex together. It can bear corrosion and ensure required strength, increase service life of membrane pillar, and save production cost.
Description
Technical field
The present invention relates to a kind of parts of treatment facility of high concentrated organic wastewater, particularly relate to a kind of processing film post of percolate.
Background technology
The percolate of household refuse landfill sites is the high concentration organic sewage that rubbish produces in the landfill process, is mainly derived from the interior moisture of precipitation, organic matter degradation and rubbish itself.Contain 93 kinds of objectionable impuritiess according to surveying and determination in the percolate, 22 kinds of emphasis control lists that have been put into China and American National Environmental Protection Administration are wherein arranged, in addition also contain toxic substances such as plurality of heavy metal ion, bacterium, virus in the percolate.Calculate with its pollution load, one ton of percolate is equivalent to 100～200 tons of municipal effluents to the harm of environment.Because present many regional domestic refuses are mixed collections, be subjected to living condition, living habit, the influence in area and season, the composition of percolate is very complicated, for example there are data to show that the chemical oxygen demand COD of Chinese consumer waste landfill percolate is between 3000-50000mg/L, ss suspended solid is about 2000mg/L, ammonia nitrogen is between 1000-3000mg/L, the pH value is between 4～9, add halogenated aryl hydrocarbon, pollution such as heavy metal and virus, directly discharging will be to underground and surface water body on every side as not handled, soil and ecotope bring immeasurable pollution and harm, to peripheral resident's healthy generation serious threat.
Percolate water quality is subjected to influence of various factors, for example rubbish composition, quantity of precipitation, landfill yard structure, landfill time etc.Percolate in the different refuse landfills, the scope of COD are between several thousand to several ten thousand, and the scope of BOD5 is between hundreds of is to several thousand, and other indexs such as SS change also very greatly.Generally speaking, inorganics component content and constantly changes along with the continuity of landfill phase much larger than organic matter component content in the percolate, organism is further degraded, the BOD/COD value reduces, and is unsuitable for biological degradation gradually, and also can continue to produce percolate 10 ~ 30 years after the landfill yard closing.
As shown in Figure 1, existing garbage percolation liquid treatment membrane column, the bearing shell that comprises tubular type, be positioned at the screwed draw-in bar in two ends on the bearing shell axis, be applied in some diaphragms on the draw-in bar, in order to support the diaphragm-operated flow guiding disc, be installed in the upper head plate and the bottom plate at draw-in bar two ends, the used end plate up and down of existing garbage percolation liquid treatment membrane column is that stainless steel is made, and percolate is a kind of highly corrosive, high density, high suspended matter, the sewage of the character complexity of high conductivity, so the end plate up and down of common stainless steel material is easily by its corrosion, cause reduce the work-ing life of film post, cause its reliability decrease. if adopt special stainless steel, high and the processing suffering of price then. what have that existing garbage percolation liquid treatment membrane column adopts is the draw-in bar structure again, only realize by the pull bar in center, cause pull bar will bear very large preliminary tension, so require the high strength of pull bar with costliness, the material of high corrosion resistance is made, cause the film post to make difficulty, cost is very high.
Summary of the invention
The technical problem to be solved in the present invention is the used upper and lower ends panel material of existing garbage percolation liquid treatment membrane column, percolate is a kind of highly corrosive, high suspended matter, the sewage of the character complexity of high conductivity, the end plate up and down of common stainless steel material is easily by its corrosion, cause reduce the work-ing life of film post, cause its reliability decrease, special stainless steel is the extremely high and processing difficulties of price then. in addition, what existing garbage percolation liquid treatment membrane column adopted is the draw-in bar structure, only realize by the pull bar in center, cause pull bar will bear very large preliminary tension, so require the high strength of pull bar with costliness, the material of high corrosion resistance is made, and causes film post manufacturing cost very high.
Purpose of the present invention is exactly at the problems referred to above, and a kind of both corrosion-resistant garbage percolation liquid treatment membrane column that can adopt common material to replace expensive material of design can make improve the work-ing life of film post, can save manufacturing cost again.
Garbage percolation liquid treatment membrane column of the present invention, comprise tubular type bearing shell, be positioned at the screwed common corrosion resistant material in two ends on the bearing shell axis draw-in bar, be applied in some diaphragms on the draw-in bar, in order to support diaphragm-operated flow guiding disc, the upper head plate that is installed in the draw-in bar two ends and bottom plate, described upper head plate is formed with the upper head plate preservative coat that is positioned at internal layer by being positioned at outer field upper head plate Withstand voltage layer, and bottom plate is formed with the bottom plate preservative coat that is positioned at internal layer by being positioned at outer field bottom plate Withstand voltage layer.Garbage percolation liquid treatment membrane column of the present invention, the outside at described upper head plate Withstand voltage layer also is provided with the upper head plate flange, the outside at described bottom plate Withstand voltage layer also is provided with the bottom plate flange, on upper head plate flange and bottom plate flange, has the corresponding through hole of some upper-lower positions, a screwed outside link in two ends is installed in per two corresponding holes, and nut and upper head plate flange and the bottom plate flange of outside link by two ends links.Garbage percolation liquid treatment membrane column of the present invention, described upper head plate flange and bottom plate flange are the square that the center has circular hole, described upper head plate flange and bottom plate flange are the square that the center has circular hole, described through hole is four, lay respectively at foursquare four jiaos of places, described outside link is four, and described upper head plate flange matches with the internal diameter of bearing shell with the flange outside diameter of bottom plate flange.Garbage percolation liquid treatment membrane column of the present invention, described diaphragm are the round-meshed circle of round-meshed octagon in center or center, and diaphragm is three layers, and the outside is two-layer to be filter membrane, and the mutual hot melt of surrounding edge is an one, and the centre is lined with the mesh-supported layer of plastic material.Garbage percolation liquid treatment membrane column of the present invention, described flow guiding disc are the disc that has center hole, and flow guiding disc has some oblong pod apertures and circular protrusions radially, and the center hole average mark is furnished with individual breach radially.Garbage percolation liquid treatment membrane column of the present invention, described upper head plate preservative coat and bottom plate preservative coat are that engineering plastic materials is made, and upper head plate Withstand voltage layer and bottom plate Withstand voltage layer are that high-strength metal material is made, and are specially structural carbon steel, as 45# steel etc.
Adopt the garbage percolation liquid treatment membrane column of this kind structure, utilize metallic substance and plastic material to be combined with each other, can be not only corrosion-resistant but also guarantee required intensity, share the pulling force of draw-in bar by adopting the outside link structure, and outside link does not contact with percolate, so outside link only gets final product with high-intensity metal material manufacturing, do not need the highly corrosion resistant material, and draw-in bar is owing to need not carry very big power, so can only adopt the material manufacturing of high corrosion resistance, and unnecessaryly use high-intensity material.Improved the work-ing life of film post, can save manufacturing cost again.
Other details of garbage percolation liquid treatment membrane column of the present invention and characteristics can just can be cheer and bright by reading the embodiment hereinafter encyclopaedize in conjunction with the accompanying drawings.
Description of drawings
Fig. 1 is the front view of the prior art of garbage percolation liquid treatment membrane column of the present invention;
Fig. 2 is the front view of first kind of embodiment of garbage percolation liquid treatment membrane column of the present invention;
Fig. 3 is the front view of second kind of embodiment of garbage percolation liquid treatment membrane column of the present invention;
Fig. 4 is the vertical view of first kind of embodiment of garbage percolation liquid treatment membrane column of the present invention;
Fig. 5 is the vertical view of second kind of embodiment of garbage percolation liquid treatment membrane column of the present invention;
Fig. 6 is the octagon diaphragm-operated front view of garbage percolation liquid treatment membrane column of the present invention;
Fig. 7 is the front view of the circular film of garbage percolation liquid treatment membrane column of the present invention;
Fig. 8 is that the A-A of Fig. 6 is to view;
Fig. 9 is that the A-A of Fig. 7 is to view;
Figure 10 is the front view of the flow guiding disc of garbage percolation liquid treatment membrane column of the present invention;
Figure 11 is that the A-A of Figure 10 is to view.
Embodiment
First kind of embodiment:
As Fig. 2, shown in Figure 4, garbage percolation liquid treatment membrane column of the present invention, comprise tubular type bearing shell 2, be positioned at the screwed draw-in bar 1 in two ends on bearing shell 2 axis, be applied in some diaphragms 4 on the draw-in bar 1, in order to support flow guiding disc 3, the upper head plate 5 that is installed in draw-in bar 1 two ends and the bottom plate 6 of diaphragm 4, described upper head plate 5 is formed with the upper head plate preservative coat 52 that is positioned at internal layer by being positioned at outer field upper head plate Withstand voltage layer 51, and bottom plate 6 is formed with the bottom plate preservative coat 62 that is positioned at internal layer by being positioned at outer field bottom plate Withstand voltage layer 61.Garbage percolation liquid treatment membrane column of the present invention, described diaphragm 4 is the round-meshed circle of round-meshed octagon in center or center, and diaphragm is three layers, and the outside is two-layer to be filter membrane 41, the mutual hot melt of surrounding edge is an one, and the centre is lined with the mesh-supported layer 42 of plastic material.Garbage percolation liquid treatment membrane column of the present invention, described flow guiding disc 3 is for having the disc of center hole, and flow guiding disc 3 has some oblong pod apertures 31 and circular protrusions 32 radially, and the center hole average mark is furnished with 6 breach 33 radially.Garbage percolation liquid treatment membrane column of the present invention, described upper head plate preservative coat 52 and bottom plate preservative coat 62 are made for impregnating material, are specially engineering plastic materials, and upper head plate Withstand voltage layer 51 and bottom plate Withstand voltage layer 61 are made for high-strength metal material, be specially structural carbon steel, as 45# steel etc.Described film post bearing shell 2 is manufactured cylindric by accurate strict requirement by the glass reinforced plastic material, the internal surface at two ends has precision machined sealing face about cylindrical shell, the operating pressure that the container that end plate forms after pull bar connects sealing can bear 7MPa..Bearing shell 2 length are 1200 millimeters, 200 millimeters of diameters.Flow guiding disc 3 is to be made by engineering plastics, the mobile disk-like object in the film post in order to support diaphragm and guiding fluid.Inboard (smaller diameter end) at dish has annular strip pod apertures, O shape circle with film upstream and downstream fluid separately, clocklike distributing with the pimple thing of disturbance fluid smooth flow on the two sides of flow guiding disc, circular hole is arranged so that draw-in bar 1 passes in the middle of the flow guiding disc, in the annular of centre hole, see through the liquid passage along uniform 6.Diaphragm 4 can be reverse osmosis (RO) film, nanofiltration (NF) film or ultrafiltration (UF) film.Diaphragm structure is that two films that stack are cut into circle or octagon by strict size, and the centre has circular hole, and outward flange is by heat-sealable uniformly then.The mesh-supported layer of between two films, having plastic material.Draw-in bar 1 is in film post central authorities, flow guiding disc, diaphragm and up and down end plate stacked after, draw-in bar 1 passes from its intermediary circular hole, at the pull bar two ends screw thread is arranged, available nut screwing clamping.End plate is in order to compress flow guiding disc from two ends up and down, form flow guiding disc and diaphragm is stacked alternately and the inner flow guiding disc/diaphragm unit of film post that compressed by end plate, be provided with O shape circle in the end plate outer, flow guiding disc/diaphragm unit is loaded into make behind the bearing shell 2 the internal surface sealing of O shape circle and pressure-bearing tube on the end plate up and down, to form a complete film post that the born high workload pressure of flow guiding disc/diaphragm unit is housed, end plate is divided into two groups up and down, i.e. upper head plate and bottom plate.Every group of end plate is made up of plastic end panel preservative coat and metal end plate Withstand voltage layer again.Plastic material can prevent the direct corrosion of high pollution fluid to metal material, is provided with O-ring seals in plastic end panel preservative coat outer, and upper head plate is provided with the liquid in-out Link Port.The metal end plate Withstand voltage layer is in order to compress the plastic end panel preservative coat, for the plastic end panel preservative coat provides high-intensity compressive resistance support.
Second kind of embodiment:
As Fig. 3, shown in Figure 5, garbage percolation liquid treatment membrane column of the present invention, comprise tubular type bearing shell 2, be positioned at the screwed draw-in bar 1 in two ends on bearing shell 2 axis, be applied in some diaphragms 4 on the draw-in bar 1, in order to support flow guiding disc 3, the upper head plate 5 that is installed in draw-in bar 1 two ends and the bottom plate 6 of diaphragm 4, described upper head plate 5 is formed with the upper head plate preservative coat 52 that is positioned at internal layer by being positioned at outer field upper head plate Withstand voltage layer 51, and bottom plate 6 is formed with the bottom plate preservative coat 62 that is positioned at internal layer by being positioned at outer field bottom plate Withstand voltage layer 61.Garbage percolation liquid treatment membrane column of the present invention, the outside at described upper head plate Withstand voltage layer 51 also is provided with upper head plate flange 53, the outside at described bottom plate Withstand voltage layer 51 also is provided with bottom plate flange 63, on upper head plate flange 53 and bottom plate flange 63, has the corresponding through hole of some upper-lower positions, a screwed outside link 12 in two ends is installed in per two corresponding holes, and nut and upper head plate flange 53 and the bottom plate flange 63 of outside link 12 by two ends links.Garbage percolation liquid treatment membrane column of the present invention, described upper head plate flange 53 and bottom plate flange 63 have the square of circular hole for the center, described upper head plate flange 53 and bottom plate flange 63 have the square of circular hole for the center, described through hole is four, lay respectively at foursquare four jiaos of places, described outside link 12 is four, and described upper head plate flange 53 matches with the internal diameter of bearing shell 2 with the flange outside diameter of bottom plate flange 63.Garbage percolation liquid treatment membrane column of the present invention, described diaphragm 4 is the round-meshed circle of round-meshed octagon in center or center, and diaphragm is three layers, and the outside is two-layer to be filter membrane, and the mutual hot melt of surrounding edge is an one, the centre is lined with the mesh-supported layer of plastic material.Garbage percolation liquid treatment membrane column of the present invention, described flow guiding disc 3 is for having the disc of center hole, and flow guiding disc 3 has some oblong pod apertures 31 and circular protrusions 32 radially, and the center hole average mark is furnished with 6 breach 33 radially.Garbage percolation liquid treatment membrane column of the present invention, described upper head plate preservative coat 52 and bottom plate preservative coat 62 are made for impregnating material, are specially engineering plastic materials, and upper head plate Withstand voltage layer 51 and bottom plate Withstand voltage layer 61 are made for high-strength metal material, be specially structural carbon steel, as 45# steel etc.Bearing shell 2 is manufactured cylindric by accurate strict requirement by the glass reinforced plastic material, the internal surface at two ends has precision machined sealing face about cylindrical shell, the operating pressure that the container that end plate forms after pull bar connects sealing can bear 7MPa.Bearing shell 2 length are 1200 millimeters, 200 millimeters of diameters.Flow guiding disc 3 is to be made by engineering plastics, the mobile disk-like object in the film post in order to support diaphragm and guiding fluid.Inboard (smaller diameter end) at dish has annular strip pod apertures, the fluid that O shape circle will be crossed before and after the film separates, clocklike distributing with the pimple thing of disturbance fluid smooth flow on the two sides of flow guiding disc, circular hole is arranged so that draw-in bar 1 passes in the middle of the flow guiding disc, in the annular of centre hole, see through the liquid passage along uniform 6.Diaphragm 4 can be reverse osmosis (RO) film, nanofiltration (NF) film or ultrafiltration (UF) film.Diaphragm structure is that two films that stack are cut into circle or octagon by strict size, and the centre has circular hole, and outward flange is by heat-sealable uniformly then.The net stake supporting layer of between two films, having plastic material.Draw-in bar 1 is in film post central authorities, flow guiding disc, diaphragm and up and down end plate stacked after, draw-in bar 1 passes from its intermediary circular hole, at the pull bar two ends screw thread is arranged, available nut screwing clamping.Outside link is in the outside of film post, couple together with the end plate up and down of four pull bars the film post, the two ends of each pull bar are provided with screw thread, use nut screwing clamping, end plate is in order to compress flow guiding disc from two ends up and down, form flow guiding disc and diaphragm is stacked alternately and the inner flow guiding disc/diaphragm unit of film post that compressed by end plate, be provided with O shape circle in the end plate outer, flow guiding disc/diaphragm unit is loaded into make behind the bearing shell 2 the internal surface sealing of O shape circle and pressure-bearing tube on the end plate up and down, to form a complete film post that the born high workload pressure of flow guiding disc/diaphragm unit is housed, end plate is divided into two groups up and down, i.e. upper head plate and bottom plate.Every group of end plate is made up of plastic end panel preservative coat and metal end plate Withstand voltage layer again.Plastic material can prevent the direct corrosion of high pollution fluid to metal material, is provided with O-ring seals in plastic end panel preservative coat outer, and upper head plate is provided with the liquid in-out Link Port.The metal end plate Withstand voltage layer is in order to compress the plastic end panel preservative coat, for the plastic end panel preservative coat provides high-intensity compressive resistance support.
The working process of garbage percolation liquid treatment membrane column of the present invention:
Garbage percolation liquid treatment membrane column design of the present invention is specifically designed to high pollution, highly filled refuse tip waste water and the purifying treatment of other high pollution waste water.The fluid that need handle enters the film post from the fluid inlet 9 of film post upper head plate, enter the film column bottom along the circular channel between flow guiding disc 3 outer ends and bearing shell 2 internal surfaces, flow guiding disc 3 intermediate annular strip passages through bottommost flow into and diaphragm 4 surfaces of flowing through, enter next flow guiding disc 3 again, so continuous S-shaped flows through all flow guiding discs 3 and diaphragm 4 surfaces.Fluid is by diaphragm 4 surfaces the time, and under the certain pressure effect, the water purification in the contaminated-fluid sees through diaphragm 4 and enters mesh-supported layer between two films, sees through liquid relief outlet 8 through film post intermediary and discharges the film post.Pollutent is concentrated gradually in the fluid that the film surface is stopped, and continues to flow, until discharging the film post by concentrated solution relief outlet 7.So far, enter the contaminated-fluid of film post, through diaphragm the pollutent concentrated solution of stopping through liquid and tunicle surface through diaphragm-operated is separated fully, and discharged the film post respectively.
Embodiment recited above is described preferred implementation of the present invention; be not that design of the present invention and scope are limited; do not breaking away under the design prerequisite of the present invention; common engineering technical personnel make technical scheme of the present invention in this area various modification and improvement; all should fall into protection scope of the present invention; the technology contents that the present invention asks for protection all is documented in claims.
Claims (7)
1. garbage percolation liquid treatment membrane column, the bearing shell (2) that comprises tubular type, be positioned at the screwed draw-in bars in two ends (1) on bearing shell (2) axis, be applied in the some diaphragms (4) on the draw-in bar (1), in order to support the flow guiding disc (3) of diaphragm (4), be installed in the upper head plate (5) and the bottom plate (6) at draw-in bar (1) two ends, it is characterized in that: described upper head plate (5) is made up of the upper head plate preservative coat (52) that is positioned at outer field upper head plate Withstand voltage layer (51) and is positioned at internal layer, and bottom plate (6) is made up of the bottom plate preservative coat (62) that is positioned at outer field bottom plate Withstand voltage layer (61) and is positioned at internal layer.
2. according to the described garbage percolation liquid treatment membrane column of claim 1, it is characterized in that: also be provided with upper head plate flange (53) in the outside of described upper head plate Withstand voltage layer (51), also be provided with bottom plate flange (63) in the outside of described bottom plate Withstand voltage layer (61), on upper head plate flange (53) and bottom plate flange (63), has the corresponding through hole of some upper-lower positions, in per two corresponding holes the screwed outside links in two ends (12) are installed, nut and upper head plate flange (53) and the bottom plate flange (63) of outside link (12) by two ends links.
3. according to the described garbage percolation liquid treatment membrane column of claim 2, it is characterized in that: described upper head plate flange (53) and bottom plate flange (63) have the square of circular hole for the center, described through hole is four, lay respectively at foursquare four jiaos of places, described upper head plate flange (53) matches with the internal diameter of bearing shell (2) with the flange outside diameter of bottom plate flange (63).
4. according to claim 1,2 or 3 described garbage percolation liquid treatment membrane columns, it is characterized in that: described diaphragm (4) is the round-meshed circle of round-meshed octagon in center or center, diaphragm is three layers, the outside is two-layer to be filter membrane (41), the mutual hot melt of surrounding edge is an one, and the centre is lined with the mesh-supported layer (42) of plastic material.
5. according to the described garbage percolation liquid treatment membrane column of claim 4, it is characterized in that: described flow guiding disc (3) is for having the disc of center hole, flow guiding disc (3) has some oblong pod apertures (31) and circular protrusions (32) radially, and the center hole average mark is furnished with 6 breach (33) radially.
6. according to the described garbage percolation liquid treatment membrane column of claim 5, it is characterized in that: described upper head plate preservative coat (52) and bottom plate preservative coat (62) are made for impregnating material, and upper head plate Withstand voltage layer (51) and bottom plate Withstand voltage layer (61) are made for high-strength metal material.
7. according to the described garbage percolation liquid treatment membrane column of claim 6, it is characterized in that: described upper head plate preservative coat (52) and bottom plate preservative coat (62) are made for engineering plastic materials, and upper head plate Withstand voltage layer (51) and bottom plate Withstand voltage layer (61) are made for structural carbon steel.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2007100632798A CN100534568C (en) | 2007-01-05 | 2007-01-05 | Garbage percolation liquid treatment membrane column |
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| CNB2007100632798A CN100534568C (en) | 2007-01-05 | 2007-01-05 | Garbage percolation liquid treatment membrane column |
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| CN100999339A true CN100999339A (en) | 2007-07-18 |
| CN100534568C CN100534568C (en) | 2009-09-02 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103657414A (en) * | 2013-12-18 | 2014-03-26 | 成都美富特膜科技有限公司 | Separation and filter membrane column with same-end water inlet and outlet capacity and feed liquid treatment method thereof |
| CN103848479A (en) * | 2014-02-28 | 2014-06-11 | 长沙威保特环保科技有限公司 | Reverse osmosis device and reverse osmosis treatment system for treating high-concentration sewage |
| CN103848529A (en) * | 2014-02-28 | 2014-06-11 | 长沙威保特环保科技有限公司 | Reverse osmosis-based high-concentration sewage treatment method |
| CN104587721A (en) * | 2014-12-13 | 2015-05-06 | 新疆硝石钾肥有限公司吐鲁番分公司 | Seal type plate filter with cleanable filter core cross section |
| CN105080343A (en) * | 2015-08-19 | 2015-11-25 | 北京合创天地环保科技有限公司 | Membrane column and high pressure resistant membrane column |
| CN105110412A (en) * | 2015-08-28 | 2015-12-02 | 江苏欣恩工程机械有限公司 | Flow deflector and overclock vibration membrane component based on flow deflector |
| CN105664723A (en) * | 2015-08-14 | 2016-06-15 | 内蒙古天一环境技术有限公司 | Water incoming end cap for dielectrophoresis disc-tube membrane component and disc-tube membrane component |
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2007
- 2007-01-05 CN CNB2007100632798A patent/CN100534568C/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103657414A (en) * | 2013-12-18 | 2014-03-26 | 成都美富特膜科技有限公司 | Separation and filter membrane column with same-end water inlet and outlet capacity and feed liquid treatment method thereof |
| CN103848479A (en) * | 2014-02-28 | 2014-06-11 | 长沙威保特环保科技有限公司 | Reverse osmosis device and reverse osmosis treatment system for treating high-concentration sewage |
| CN103848529A (en) * | 2014-02-28 | 2014-06-11 | 长沙威保特环保科技有限公司 | Reverse osmosis-based high-concentration sewage treatment method |
| CN103848529B (en) * | 2014-02-28 | 2015-05-06 | 长沙威保特环保科技有限公司 | Reverse osmosis-based high-concentration sewage treatment method |
| CN103848479B (en) * | 2014-02-28 | 2015-09-16 | 长沙威保特环保科技有限公司 | For reverse osmosis unit and the reverse osmosis treatment system of high-concentration sewage process |
| CN104587721A (en) * | 2014-12-13 | 2015-05-06 | 新疆硝石钾肥有限公司吐鲁番分公司 | Seal type plate filter with cleanable filter core cross section |
| CN105664723A (en) * | 2015-08-14 | 2016-06-15 | 内蒙古天一环境技术有限公司 | Water incoming end cap for dielectrophoresis disc-tube membrane component and disc-tube membrane component |
| CN105080343A (en) * | 2015-08-19 | 2015-11-25 | 北京合创天地环保科技有限公司 | Membrane column and high pressure resistant membrane column |
| CN105110412A (en) * | 2015-08-28 | 2015-12-02 | 江苏欣恩工程机械有限公司 | Flow deflector and overclock vibration membrane component based on flow deflector |
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| CN100534568C (en) | 2009-09-02 |
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Assignee: Beijing TDR Environ-Tech Co., Ltd. Assignor: Sui Chunxia Contract record no.: 2011990000686 Denomination of invention: Garbage percolation liquid treatment membrane column Granted publication date: 20090902 License type: Exclusive License Open date: 20070718 Record date: 20110720 |
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