CN214115258U - Improve split type preprocessing device of DTRO membrane equipment operating stability - Google Patents
Improve split type preprocessing device of DTRO membrane equipment operating stability Download PDFInfo
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- CN214115258U CN214115258U CN202022162638.9U CN202022162638U CN214115258U CN 214115258 U CN214115258 U CN 214115258U CN 202022162638 U CN202022162638 U CN 202022162638U CN 214115258 U CN214115258 U CN 214115258U
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Abstract
The utility model provides an improve split type preprocessing device of DTRO membrane equipment operating stability, including the aeration zone in advance, well heavy district and the MBR membrane separation district of locating three casing separately, the aeration zone in advance, well heavy district and MBR membrane separation district connect in order, the access connection equalizing basin in aeration zone in advance, the exit linkage of MBR membrane separation district is to DTRO membrane equipment, aeration zone lower part in advance is equipped with the aeration pipe, is equipped with a plurality of air jets on the aeration pipe, aeration zone upper portion in advance is equipped with the overflow weir, and the other effluent zone that is equipped with of overflow weir, effluent zone sink in through first pipe connection, well heavy district is equipped with the supernatant collecting space, and the supernatant collecting space passes through second pipe connection MBR membrane separation district. The device can reduce the blocking frequency of the core filter and the sand filter matched with the front end of the two-stage disc tube type reverse osmosis (DTRO) membrane treatment equipment, delay the cleaning period, ensure the equipment to operate under normal pressure, stabilize water production, adopt a split type arrangement mode to be placed more flexibly and lower the requirement on the use area.
Description
Technical Field
The utility model relates to a landfill leachate handles technical field, especially relates to an improve split type preprocessing device of DTRO membrane equipment operating stability.
Background
The two-stage disc tube type reverse osmosis (DTRO) integrated device is used as an emergency treatment device and is mainly used for treating stock landfill leachate. However, the device is used for directly treating the raw water of the regulating reservoir, and the excessive suspended matters in the raw water easily cause frequent blockage of a core filter and a sand filter which are matched with the front end of the two-stage disc tube type reverse osmosis (DTRO) integrated device, thereby consuming a large amount of time for cleaning, and simultaneously the two-stage disc tube type reverse osmosis (DTRO) integrated device can not produce water because the operating pressure is continuously too high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide an improve DTRO membrane equipment operating stability's split type preprocessing device.
The utility model discloses a realize like this:
the utility model provides an improve split type preprocessing device of DTRO membrane equipment operating stability, including the aeration zone in advance, the well district and the MBR membrane separation zone of locating three casing separately, the aeration zone in advance, well district and MBR membrane separation zone are connected in order, and the access connection equalizing basin in aeration zone in advance, the exit linkage of MBR membrane separation zone are to DTRO membrane equipment, aeration zone lower part in advance is equipped with the aeration pipe, is equipped with a plurality of air jets on the aeration pipe, aeration zone upper portion in advance is equipped with the overflow weir, and the other effluent zone that is equipped with of overflow weir, the effluent zone sinks the district through first pipe connection, well heavy district is equipped with the supernatant collecting zone, and the supernatant collecting zone passes through second pipe connection MBR membrane separation zone.
Further, the pre-aeration zone and the intermediate sedimentation zone can be combined together to form a whole, the MBR membrane separation zone is provided with a liquid inlet, and a liquid conveying hose is arranged between the liquid inlet and the second pipeline.
Furthermore, the bottom of the middle sedimentation area is a sludge collection area, the upper part of the middle sedimentation area is a supernatant liquid collection area, the middle part of the middle sedimentation area is provided with an inclined plate area, and a plurality of inclined plates which are arranged in parallel are arranged in the inclined plate area.
Furthermore, guide plates are oppositely arranged on two sides of the sludge collection area, a water outlet baffle is arranged above the guide plate close to one side of the pre-aeration area, and the water outlet baffle is arranged on the side wall of the intermediate sedimentation area.
Further, a sludge outlet is formed in the bottom of the middle sedimentation area.
Furthermore, the pre-aeration area is provided with a manhole.
The utility model discloses following beneficial effect has:
1. the device can reduce the blocking frequency of a core filter and a sand filter matched with the front end of two-stage disc tube type reverse osmosis (DTRO) membrane treatment equipment, and delay the cleaning period.
2. The device adopts a split type design, the placing positions of all the regions are more flexible, and the requirement on the use area is lower.
3. The device can ensure that the two-stage disc tube type reverse osmosis (DTRO) membrane treatment equipment operates under normal pressure and stably produces water.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a pretreatment apparatus in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a pretreatment apparatus in embodiment 2 of the present invention.
In the figure: 1-a pre-aeration zone; 2-a middle-heavy zone; 3-MBR membrane separation zone; 4-an aerator pipe; 5 ═ jet head; 6-overflow weir; 7-a first conduit; 8-supernatant liquid collection area; 9-a second conduit; 10-a swash plate region; 11-a flow guide plate; 12-a water outlet baffle; 13-a first separator; 14-a second separator; 15-manhole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, the embodiment of the utility model provides an improve split type preprocessing device of DTRO membrane equipment operating stability, including the branch locate three casing the aeration zone in advance, in sink district and MBR membrane separation zone, the aeration zone in advance, in sink district and MBR membrane separation zone and connect in order and all connect through the transfer line, the access connection equalizing basin in aeration zone in advance, in the exit linkage to DTRO membrane equipment of MBR membrane separation zone, split type design is taken to the device, and each regional position of placing is more nimble, requires lower to the usable floor area.
Raw water passes through the elevator pump in the import pump income aeration zone in advance from aeration zone in the equalizing basin, and aeration zone lower part is equipped with the aeration pipe in advance, is equipped with a plurality of air jets on the aeration pipe, constantly lets in the air to raw water through the air jet, can get rid of heavy metals such as colloid suspended solid, partial organic matter and Hg, Gr, homogeneity activation filtration liquid quality of water simultaneously has certain guard action to subsequent MBR membrane, prolongs the life of membrane.
The upper part of the pre-aeration area is provided with an overflow weir, a water outlet area is arranged beside the overflow weir, effluent after aeration treatment overflows to the water outlet area through the overflow weir, the water outlet area is connected with a middle-submerged area through a first pipeline, the middle-submerged area is provided with a supernatant liquid collecting area, and the supernatant liquid collecting area is connected with an MBR membrane separation area through a second pipeline. Effluent of the pre-aeration zone automatically flows into the intermediate sedimentation zone for sedimentation, so that the pollution and blockage of a subsequent built-in MBR membrane component are reduced, the effluent of the intermediate sedimentation zone automatically flows to the MBR membrane separation zone, and suspended matters are intercepted by the built-in membrane component. The outlet of the MBR membrane separation area is connected with a pump, and effluent of the MBR membrane separation area is pumped into two-stage disc tube type reverse osmosis (DTRO) membrane treatment equipment through the pump.
The middle part of well heavy district is equipped with the swash plate district, the swash plate of polylith parallel arrangement has been installed in the swash plate district, the swash plate is that aquatic suspended impurity deposits on the swash plate, water rises along the swash plate and flows, the mud sediment of separating is along the swash plate downward to the bottom under the action of gravity, the bottom in well heavy district is the mud district, mud district both sides are equipped with the guide plate relatively, be close to the guide plate top of aeration district one side in advance and be equipped with out the water baffle, it installs on the well heavy district lateral wall that is close to aeration district one side in advance to go out the water baffle, it can play certain cushioning effect to the play water that enters into in the well heavy district to go out the water baffle, well heavy district bottom has still seted up the mud export, send mud to the equalizing basin again, the upper portion in well heavy district is the supernatant collecting zone, supernatant collecting zone after the swash plate deposits also overflows to the supernatant collecting zone, later get into MBR membrane through the second pipeline.
The pre-aeration zone is also provided with a manhole to observe the liquid level height, the water quality condition and the like of water in the pre-aeration zone so as to adjust the aeration rate subsequently.
Example 2
Referring to fig. 2, the device may cause great damage to the hose for conveying because the flow rate of the outlet water of the pre-aeration area is high, and meanwhile, the device is also used as a buffer device of the outlet water baffle, so that the pre-aeration area and the intermediate sedimentation area can be combined together to form a whole, and the hose for conveying can be prevented from bursting and the like; and the supernatant fluid velocity of flow in the district that sinks is not fast, also is fit for multithread simultaneously and trickles for a moment, consequently is fine selection between inlet and second pipeline to be equipped with the infusion hose, has alleviateed the inlet pressure of MBR membrane, has also further promoted the precipitation effect.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an improve split type preprocessing device of DTRO membrane equipment operating stability, its characterized in that, including the aeration zone in advance, the middle district and the MBR membrane separation district of locating three casing separately, the aeration zone in advance, middle district and MBR membrane separation district connect in order, the access connection equalizing basin in aeration zone in advance, the exit linkage to DTRO membrane equipment of MBR membrane separation district, aeration zone lower part in advance is equipped with the aeration pipe, is equipped with a plurality of air jets on the aeration pipe, aeration zone upper portion in advance is equipped with the overflow weir, and the other play pool that is equipped with of overflow weir, the play pool is through sinking in the first pipe connection, well sinking the district is equipped with the supernatant collecting zone, and the supernatant collecting zone passes through second pipe connection MBR membrane separation district.
2. The split pretreatment device for improving the operation stability of a DTRO membrane plant according to claim 1, wherein: the pre-aeration zone and the intermediate sedimentation zone can be combined together to form a whole, the MBR membrane separation zone is provided with a liquid inlet, and a liquid conveying hose is arranged between the liquid inlet and the second pipeline.
3. The split pretreatment device for improving the operation stability of a DTRO membrane plant according to claim 1, wherein: the bottom of the middle sedimentation area is a sludge collection area, the upper part of the middle sedimentation area is a supernatant liquid collection area, the middle part of the middle sedimentation area is provided with an inclined plate area, and a plurality of inclined plates which are arranged in parallel are arranged in the inclined plate area.
4. The split pretreatment device for improving the operation stability of a DTRO membrane apparatus of claim 3, wherein: and guide plates are oppositely arranged on two sides of the sludge collection area, a water outlet baffle is arranged above the guide plate close to one side of the pre-aeration area, and the water outlet baffle is arranged on the side wall of the intermediate sedimentation area.
5. The split pretreatment device for improving the operation stability of a DTRO membrane plant according to claim 1, wherein: and a sludge outlet is formed at the bottom of the intermediate sedimentation zone.
6. The split pretreatment device for improving the operation stability of a DTRO membrane plant according to claim 1, wherein: the pre-aeration area is provided with a manhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022162638.9U CN214115258U (en) | 2020-09-28 | 2020-09-28 | Improve split type preprocessing device of DTRO membrane equipment operating stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022162638.9U CN214115258U (en) | 2020-09-28 | 2020-09-28 | Improve split type preprocessing device of DTRO membrane equipment operating stability |
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| Publication Number | Publication Date |
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| CN214115258U true CN214115258U (en) | 2021-09-03 |
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| CN202022162638.9U Active CN214115258U (en) | 2020-09-28 | 2020-09-28 | Improve split type preprocessing device of DTRO membrane equipment operating stability |
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| CN (1) | CN214115258U (en) |
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