CN218860449U

CN218860449U - Membrane bioreactor

Info

Publication number: CN218860449U
Application number: CN202223514025.2U
Authority: CN
Inventors: 王杰
Original assignee: Suzhou Remedi Environmental Protection Technology Co ltd
Current assignee: Suzhou Remedi Environmental Protection Technology Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-04-14
Anticipated expiration: 2032-12-28

Abstract

The application provides a membrane bioreactor, it includes main body frame, angle steel, water service pipe assembly, inlet tube, membrane module, the angle steel overlap joint is in on the main body frame, water service pipe assembly fixed connection be in on the angle steel, the inlet tube with water service pipe assembly fluid intercommunication, water service pipe assembly again with membrane module fluid intercommunication, the inlet tube with pending sewage flow to water service pipe assembly, the back warp water service pipe assembly flows to the membrane module department filters the back and flows to next link. Compared with the traditional biological treatment method, the membrane bioreactor has the advantages of high biochemical efficiency, strong load impact resistance, stable effluent quality, small occupied area, long sludge discharge period, easy realization of automatic control and the like, and is one of the most promising sewage reuse treatment technologies at present.

Description

Membrane bioreactor

Technical Field

The application belongs to the technical field of wastewater treatment equipment, and particularly relates to a membrane bioreactor.

Background

In the traditional wastewater treatment, sludge-water separation is completed in a secondary sedimentation tank under the action of gravity, the separation efficiency depends on the sedimentation performance of activated sludge, the sludge sedimentation performance depends on the running condition of an aeration tank, and the operation condition of the aeration tank must be strictly controlled for improving the sludge sedimentation performance. Therefore, in order to meet the requirement of solid-liquid separation in the secondary sedimentation tank, the sludge in the aeration tank cannot maintain a high concentration, generally about 2G/L, thereby limiting the biochemical reaction rate and the treatment load.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the present application provides a membrane bioreactor, it includes main body frame, angle steel, water service pipe subassembly, inlet tube, membrane module, the angle steel overlap joint is in on the main body frame, water service pipe subassembly fixed connection is in on the angle steel, the inlet tube with water service pipe subassembly fluid intercommunication, water service pipe subassembly again with membrane module fluid intercommunication, the inlet tube with pending sewage flow to water service pipe subassembly, the back warp water service pipe subassembly flow to the membrane module flow to next link after membrane module department filters.

According to the utility model provides a membrane bioreactor, wherein the water service pipe subassembly includes water service pipe and control valve, the water service pipe with control valve fixed connection is in the same place and mutual fluid intercommunication, the water service pipe with inlet tube fluid intercommunication, promptly, the waste water of inlet tube flows into water service pipe department, through control the control valve can be so that waste water flows out.

According to the utility model provides a membrane bioreactor, wherein the membrane module includes diaphragm, first branch pipe, second branch pipe, third branch pipe and fourth branch pipe, first branch pipe the second branch pipe the third branch pipe with the fourth branch pipe distributes around the diaphragm, and will the diaphragm encloses, first branch pipe with the second branch pipe with diaphragm fluid intercommunication, first branch pipe the second branch pipe the third branch pipe with fourth branch pipe interconnect and fluid intercommunication be provided with an inlet tube on the fourth branch pipe, the inlet tube with the control valve of water service pipe subassembly passes through the hose intercommunication, thereby makes to flow through the waste water of water service pipe subassembly passes through the hose flows into in the membrane module.

According to the utility model relates to a membrane bioreactor that embodiment provided, wherein the water service pipe subassembly still has an at least delivery port, the delivery port with the water service pipe intercommunication, waste water flows through flow into behind the water service pipe subassembly handle in the membrane module and filter through the delivery port flows into next link.

According to the utility model provides a membrane bioreactor, wherein still include the overflow pipe, the overflow pipe with water service pipe assembly fluid intercommunication works as when flow and pressure in the water service pipe assembly are too big, can pass through the overflow pipe reduces flow and pressure.

According to the utility model discloses a membrane bioreactor that an embodiment provided wherein still includes cat ladder and ventilation pipe, the cat ladder with main body frame fixed connection is in the same place, the ventilation pipe is used for the ventilation.

According to the utility model discloses a membrane bioreactor who provides, wherein still include the mounting groove, the mounting groove is installed through the mode of screwed connection on the angle steel, the mounting groove has two pillars, forms a recess between two pillars, two mutually opposite be used for the installation between the mounting groove the membrane module, thereby can with the membrane module overlap joint arrives on the main body frame.

According to the utility model provides a membrane bioreactor, wherein still including deposiing the water purifier, deposit the water purifier with the delivery port of water service pipe subassembly is connected and is communicate, thereby passes through waste water after the membrane module is handled flows into in the sediment water purifier.

According to the utility model relates to a membrane bioreactor that embodiment provided, wherein the sediment water purifier includes inlet tube, sedimentation tank, outlet pipe, play weir and mud pipe, the inlet tube with the delivery port of logical water pipe subassembly is connected and is linked together, the sedimentation tank with inlet tube fluid intercommunication, go out the weir with sedimentation tank fluid intercommunication, the outlet pipe with play weir fluid intercommunication, the mud pipe is installed to the bottom of sedimentation tank, the warp the waste water of the delivery port of logical water pipe subassembly flows into in the inlet tube, later flow in deposit in the sedimentation tank, flow into later again in go out in the weir, the back warp the outlet pipe is discharged to the external world, the mud pipe is used for discharging the mud that deposits in the sedimentation tank.

The utility model provides a membrane bioreactor, its advantage of having synthesized membrane separation technique and biological treatment technique to super, the microfiltration membrane subassembly is as mud-water separation unit, not only can get rid of the suspended solid completely in order to improve out water quality of water, can keep apart the free bacterium that can't hold back in the secondary sedimentation pond and macromolecule organic matter in the biological pond completely through membrane separation's effect moreover. Especially those bacteria with multiplication speed mantle are enriched in the aeration tank due to the interception function of the membrane, thus greatly improving the biological concentration in the reactor and further improving the removal rate of organic matters, nitrogen and phosphorus. Compared with the traditional biological treatment method, the membrane bioreactor has the advantages of high biochemical efficiency, strong load impact resistance, stable effluent quality, small occupied area, long sludge discharge period, easy realization of automatic control and the like, and is one of the most promising sewage reuse treatment technologies at present.

Drawings

Fig. 1 is a schematic structural diagram of a membrane bioreactor according to an embodiment of the present invention.

Fig. 2 is a partial enlarged view of a membrane bioreactor and a schematic structural diagram of a membrane module according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a membrane bioreactor according to an embodiment of the present invention.

FIG. 4 is an enlarged view of a portion of one of the membrane bioreactors provided in FIG. 3.

Fig. 5 is a schematic structural diagram of a precipitation water purifier of a membrane bioreactor according to an embodiment of the present invention.

Detailed Description

The present application will be described in further detail below with reference to the accompanying drawings by way of specific embodiments. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, one skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.

Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments, and the operation steps involved in the embodiments may be interchanged or modified in order as will be apparent to those skilled in the art. Accordingly, the description and drawings are merely for clarity of description of certain embodiments and are not intended to necessarily refer to a required composition and/or order.

The numbering scheme used herein for the components as such, e.g., "first", "second", etc., is merely used to distinguish between the objects described and not to have any sequential or technical meaning. The terms "connected" and "coupled" when used herein, unless otherwise indicated, include both direct and indirect connections (couplings).

The utility model provides a membrane bioreactor, its advantage of having synthesized membrane separation technique and biological treatment technique to super, microfiltration membrane subassembly is as mud-water separation unit, not only can get rid of the suspended solid completely in order to improve out water quality of water, can keep apart the free bacterium that can't hold back in the secondary sedimentation pond and macromolecular organic matter in the biological pond completely through membrane separation's effect moreover. Especially those bacteria with the multiplication speed mantle are enriched in the aeration tank due to the interception function of the membrane, thus greatly improving the biological concentration in the reactor and further improving the removal rate of organic matters, nitrogen and phosphorus. Compared with the traditional biological treatment method, the membrane bioreactor has the advantages of high biochemical efficiency, strong load impact resistance, stable effluent quality, small occupied area, long sludge discharge period, easy realization of automatic control and the like, and is one of the most promising sewage reuse treatment technologies at present.

As shown in FIG. 1, the present invention provides a schematic structural diagram of a membrane bioreactor. This membrane bioreactor includes main body frame 20, angle steel 30, water service pipe assembly 40, inlet tube 50, membrane module 80, angle steel 30 overlap joint is in on the main body frame 20, water service pipe assembly 40 fixed connection be in on the angle steel 30, inlet tube 50 with water service pipe assembly 40 fluid intercommunication, water service pipe assembly 40 again with membrane module 80 fluid intercommunication, inlet tube 50 with the sewage flow of pending to water service pipe assembly 40, the back warp water service pipe assembly 40 flows to membrane module 80 the membrane module 80 department filters the back flow to next link.

The water passing pipe assembly 40 comprises a water passing pipe 403 and a control valve 401, the water passing pipe 403 and the control valve 402 are fixedly connected together and are in fluid communication with each other, the water passing pipe 403 and the water inlet pipe 50 are in fluid communication, namely, the waste water of the water inlet pipe 50 flows into the water passing pipe 403, and the waste water can flow out by controlling the control valve 403.

As shown in fig. 2, the membrane module 80 includes a membrane 805, a first branch pipe 801, a second branch pipe 802, a third branch pipe 803 and a fourth branch pipe 804, the first branch pipe 801, the second branch pipe 802, the third branch pipe 803 and the fourth branch pipe 804 are distributed around the membrane 805 and enclose the membrane 805, the first branch pipe 801 and the second branch pipe 802 are in fluid communication with the membrane 805, the first branch pipe 801, the second branch pipe 802, the third branch pipe 803 and the fourth branch pipe 804 are connected with each other and in fluid communication, an inlet pipe 8041 is provided in the fourth branch pipe 804, the inlet pipe 8041 is in communication with the control valve 403 of the water service pipe assembly 40 through a hose 1, so that wastewater flowing through the water service pipe assembly 40 flows into the membrane module 80 through the hose 1.

The water tube assembly 40 further has at least one water outlet 402, the water outlet 402 is communicated with the water tube 403, and the wastewater flows through the water tube assembly 40, then flows into the membrane module 80, is treated and filtered, and flows into the next step through the water outlet 402.

The membrane bioreactor further comprises an overflow pipe 70, wherein the overflow pipe 70 is in fluid communication with the water pipe assembly 40, and when the flow rate and pressure in the water pipe assembly 40 are too high, the flow rate and pressure can be reduced through the overflow pipe 70.

The membrane bioreactor also comprises a ladder stand 10 and a ventilation pipe 60, wherein the ladder stand 10 and the main body frame 20 are fixedly connected together, and the ventilation pipe 60 is used for ventilation.

As shown in fig. 3 and 4, the membrane bioreactor further comprises an installation groove 100, wherein the installation groove 100 is installed on the angle iron 30 by means of screw connection, the installation groove 100 has two pillars, a groove is formed between the two pillars, and two opposite installation grooves 100 are used for installing the membrane module 80, so that the membrane module 80 can be lapped on the main body frame 20.

As shown in FIG. 5, the membrane bioreactor further comprises a precipitation water purifier connected and communicated with the water outlet 402 of the water service pipe assembly 40, so that the wastewater treated by the membrane module 80 flows into the precipitation water purifier.

The sediment water purifier includes inlet tube 1, sedimentation tank 2, outlet pipe 3, play weir 4 and mud pipe 5, inlet tube 1 with the delivery port 402 of water service pipe assembly 40 is connected and is communicate, sedimentation tank 2 with inlet tube 1 fluid intercommunication, go out weir 4 with sedimentation tank 2 fluid intercommunication, outlet pipe 3 with play weir 4 fluid intercommunication, mud pipe 5 is installed to the bottom of sedimentation tank 2, the warp the waste water of the delivery port 402 of water service pipe assembly 40 flows into in the inlet tube 1, later flow in deposit in the sedimentation tank 2, later flow in go out in the weir 4, later warp outlet pipe 3 discharges to the external world, mud pipe 5 is used for discharging the mud that deposits in the sedimentation tank 2.

It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.

Claims

1. The membrane bioreactor is characterized by comprising a main body frame, angle steel, a water pipe assembly, a water inlet pipe and a membrane assembly, wherein the angle steel is lapped on the main body frame, the water pipe assembly is fixedly connected to the angle steel, the water inlet pipe is communicated with the water pipe assembly in a fluid mode, the water pipe assembly is communicated with the membrane assembly in a fluid mode, sewage to be treated flows to the water pipe assembly through the water inlet pipe, then flows to the membrane assembly through the water pipe assembly, and flows to the next link after being filtered at the membrane assembly.

2. The membrane bioreactor of claim 1, wherein said water pipe assembly comprises a water pipe and a control valve, said water pipe and said control valve being fixedly connected together and in fluid communication with each other, said water pipe and said inlet pipe being in fluid communication, i.e. wastewater from said inlet pipe flows into said water pipe, and wastewater can be made to flow out by controlling said control valve.

3. The membrane bioreactor of claim 2, wherein said membrane module comprises a membrane, a first leg, a second leg, a third leg, and a fourth leg, said first leg, said second leg, said third leg, and said fourth leg being disposed around said membrane and enclosing said membrane, said first leg and said second leg being in fluid communication with said membrane, said first leg, said second leg, said third leg, and said fourth leg being interconnected and in fluid communication, an inlet tube being disposed in said fourth leg, said inlet tube being in fluid communication with a control valve of said water service assembly via a hose, such that wastewater flowing through said water service assembly flows through said hose into said membrane module.

4. The membrane bioreactor of claim 3, wherein said water tube assembly further comprises at least one water outlet, said water outlet is in communication with said water tube, and wastewater flowing through said water tube assembly flows into said membrane assembly for treatment and filtration and flows to the next stage through said water outlet.

5. The membrane bioreactor of claim 4, further comprising an overflow tube in fluid communication with said water main assembly, wherein flow and pressure may be reduced by said overflow tube when flow and pressure within said water main assembly are excessive.

6. The membrane bioreactor of claim 5, further comprising a ladder and a vent tube, wherein the ladder and the main frame are fixedly connected together, and the vent tube is used for ventilation.

7. The membrane bioreactor of claim 6, further comprising an installation groove, wherein the installation groove is installed on the angle iron by means of screw connection, the installation groove has two pillars, a groove is formed between the two pillars, and two opposite installation grooves are used for installing the membrane module, so that the membrane module can be lapped on the main body frame.

8. The membrane bioreactor of claim 7, further comprising a precipitation water purifier connected and in communication with the water outlet of the water service pipe assembly such that wastewater treated by the membrane module flows into the precipitation water purifier.

9. The membrane bioreactor as claimed in claim 8, wherein the sedimentation water purifier comprises a water inlet pipe, a sedimentation tank, a water outlet pipe, a water outlet weir and a sludge discharge pipe, wherein the water inlet pipe is connected and communicated with the water outlet of the water pipe assembly, the sedimentation tank is communicated with the water inlet pipe in a fluid manner, the water outlet weir is communicated with the sedimentation tank in a fluid manner, the water outlet pipe is communicated with the water outlet weir in a fluid manner, the sludge discharge pipe is installed at the bottom of the sedimentation tank, wastewater passing through the water outlet of the water pipe assembly flows into the water inlet pipe, then flows into the sedimentation tank for sedimentation, then flows into the water outlet weir, and then is discharged to the outside through the water outlet pipe, and the sludge discharge pipe is used for discharging sludge precipitated in the sedimentation tank.