CN213834944U - Improve preprocessing device of DTRO membrane equipment operating stability - Google Patents

Abstract

The utility model provides an improve preprocessing device of DTRO membrane equipment operating stability, including integrated in the box and the aeration zone in advance, well heavy district and MBR membrane separation zone that connect gradually, the access connection equalizing basin in aeration zone in advance, the exit linkage of MBR membrane separation zone to DTRO membrane equipment is equipped with the baffle in order to separate each region in the box, aeration zone lower part in advance is equipped with the aeration pipe, is equipped with a plurality of jet heads 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 goes out the water zone, goes out the water zone and sinks the district 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 zone. This device can reduce the jam frequency of the supporting core type filter of two-stage Dish Tubular Reverse Osmosis (DTRO) membrane treatment facility front end, sand filter, delays the cleaning cycle, and guarantee equipment moves under normal pressure, and water is stably produced, adopts the integral type mode of setting up to make the device improve space utilization.

Description

Improve preprocessing device of DTRO membrane equipment operating stability

Technical Field

The utility model relates to a landfill leachate handles technical field, especially relates to an improve preprocessing device of DTRO membrane equipment operating stability.

Background

The two-stage disc tube type reverse osmosis (DTRO) membrane treatment equipment 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) membrane treatment equipment, so that a large amount of time is consumed for cleaning, and meanwhile, the two-stage disc-tube type reverse osmosis (DTRO) membrane treatment equipment cannot produce water due to the fact that 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 the preprocessing device of DTRO membrane equipment operating stability to guarantee two-stage Dish Tubular Reverse Osmosis (DTRO) membrane treatment equipment and move under normal pressure, stably produce water.

The utility model discloses a realize like this:

the utility model provides an improve preprocessing device of DTRO membrane equipment operating stability, including integrated in the box and the aeration zone in advance, well heavy district and MBR membrane separation zone that connect gradually, the access connection equalizing basin in aeration zone in advance, the exit linkage of MBR membrane separation zone to DTRO membrane equipment is equipped with the baffle in order to separate each region in the box, aeration zone lower part is equipped with the aeration pipe in advance, is equipped with a plurality of jet heads 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 space, and the supernatant collecting space passes through second pipe connection MBR membrane separation zone.

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 partition plate.

Further, the partition plate includes a first partition plate separating the pre-aeration zone and the middle sedimentation zone, and a second partition plate separating the middle sedimentation zone and the MBR membrane separation zone, the first pipe is disposed on the first partition plate, and the second pipe is disposed on the second partition plate.

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 integrates the pre-aeration area, the middle sedimentation area and the MBR membrane separation area into a box body, so that the device is convenient to move integrally, various pipelines are convenient to set, and the space utilization rate is improved.

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 diagram of a pretreatment device in an embodiment 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.

Referring to fig. 1, the embodiment of the utility model provides an improve preprocessing device of DTRO membrane equipment operating stability, including integrated in the box and the aeration zone in advance, well heavy district and MBR membrane separation district that connect gradually, the access connection equalizing basin in aeration zone in advance, the exit linkage to DTRO membrane equipment of MBR membrane separation district.

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 tank body is internally provided with clapboards for separating each area, each clapboard comprises a first clapboard and a second clapboard, the first clapboard separates the pre-aeration area from the middle sedimentation area, the second clapboard separates the middle sedimentation area from the MBR membrane separation area, the first pipeline is arranged on the first clapboard, and the second pipeline is arranged on the second clapboard.

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 gliding to the bottom along the swash plate under the action of gravity, the bottom in well heavy district is for 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 first baffle 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, sludge outlet has still been seted up to well heavy district bottom, send mud to the equalizing basin again, the upper portion in heavy district is supernatant collecting zone, supernatant after the swash plate deposits also overflows supernatant collecting zone, later get into MBR membrane separation district 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.

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 preprocessing device of DTRO membrane equipment operating stability, its characterized in that, including integrated in the box and the aeration zone in advance, well heavy district and MBR membrane separation zone that connect gradually, the access connection equalizing basin in aeration zone in advance, the exit linkage of MBR membrane separation zone to DTRO membrane equipment is equipped with the baffle in order to separate each region in the box, aeration zone lower part is equipped with the aeration pipe in advance, 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 the heavy district in first pipe connection, well heavy district is equipped with supernatant collecting zone, and supernatant collecting zone passes through second pipe connection MBR membrane separation zone.

2. The 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.

3. The pretreatment device for improving the operation stability of a DTRO membrane plant according to claim 2, 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 partition plate.

4. The pretreatment device for improving the operation stability of a DTRO membrane plant according to claim 1, wherein: the partition plate comprises a first partition plate and a second partition plate, the first partition plate separates the pre-aeration area from the middle sedimentation area, the second partition plate separates the middle sedimentation area from the MBR membrane separation area, the first pipeline is arranged on the first partition plate, and the second pipeline is arranged on the second partition plate.

5. The 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 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.

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