CN212740871U

CN212740871U - Integration river course deep aeration membrane combined system

Info

Publication number: CN212740871U
Application number: CN202020514958.3U
Authority: CN
Inventors: 韩国胜; 曹偲佳; 张佳蕊; 陈向超; 李振宇; 朱珉; 王世英
Original assignee: Shanghai Hongbo Project Management Co ltd; Shanghai Tingying Environmental Technology Co ltd
Current assignee: Shanghai Hongbo Project Management Co ltd; Shanghai Tingying Environmental Technology Co ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2021-03-19
Anticipated expiration: 2030-04-10

Abstract

The utility model relates to an environmental protection technology field is an integration river course deep aeration membrane combined system particularly, include: the biological membrane frame body is arranged at the bottom of a river channel and comprises a frame and net sheets arranged on the upper side and the lower side of the frame, a clamping groove is formed in the lower side of the frame, and a plurality of filler ropes are further arranged in the biological membrane frame body; the aeration component is connected to the clamping groove on the lower side of the frame; and the air supply assembly is arranged on the bank of the river channel and used for supplying air to the aeration assembly. The utility model has simple and feasible combination structure, easy installation and disassembly, integrated installation mode, convenient combination and convenient installation, and does not need additional fixing measures; can be arranged near the bottom of a river and has a certain oxidation effect on bottom mud; oxygen is supplied to the surrounding biological membranes in a targeted manner, so that the surrounding biological membranes keep higher activity, and the disturbance effect of aeration bubbles is beneficial to the flushing and updating of the biological membranes, the sludge age is reduced, and the efficiency of degrading pollutants in water is improved.

Description

Integration river course deep aeration membrane combined system

Technical Field

The utility model relates to the technical field of environmental protection, a integration river course deep aeration membrane combined system particularly.

Background

The black and odorous water body is mainly caused by exogenous organic matters, ammonia nitrogen, bottom mud and other endogenous pollutions, water body does not flow, water temperature rises, a water body food chain is seriously lost and the like, wherein dissolved oxygen is a key factor of the water body for generating black and odorous water. Improving the anoxic and anaerobic environment of the water body, controlling the amount of water body pollutants entering, restoring the water body ecological system and recovering the self-purification capacity of the water body.

Through retrieval, Chinese patent publication No. CN209322570U discloses a fixed river aeration system, which comprises a submerged fan, an air inlet pipe, an aeration main pipe and aeration branch pipes, wherein one end of the air inlet pipe is connected with an air outlet of the submerged fan, the other end of the air inlet pipe is connected with the aeration main pipe, and the aeration branch pipes are connected with the aeration main pipe. Also, chinese patent publication No. CN108249600A discloses a river aeration device, which comprises an air inlet pipe, an aeration main pipe and an aeration branch pipe, wherein the starting end of the air inlet pipe is connected with an air blower, the tail end of the air inlet pipe is connected with the aeration main pipe through a tee joint, the aeration main pipe is located at the center of the river, the aeration main pipe is also connected with the aeration branch pipe, the aeration branch pipe is connected with a regulating valve, the aeration branch pipe is connected with an aeration hose through a regulating buckle, the aeration hose is connected to an aeration disc, and the aeration main pipe is further connected with a balance weight. The aeration and oxygenation devices are widely applied to the field of river water body treatment, but the river bottom aeration components are too simple, and basically, the aeration disks or the aeration pipes made of PE synthetic materials are applied, so that although the aeration quantity is large, the oxygen utilization efficiency is low, the oxygenation capacity is poor, and the problems of pollution and blockage of aeration holes exist.

In addition, the oxygen aeration in the river channel mainly provides an aerobic environment for microorganisms in water, is beneficial to the growth of the aerobic microorganisms, improves the efficiency of degrading pollutants such as nitrogen, phosphorus and the like, but most of the microorganisms in the water are deposited in the bottom mud, and the simple oxygen aeration mainly solves the problem that the dissolved oxygen in the upper layer of the river channel cannot supply oxygen for the microorganisms in a targeted manner; the above patent is not good enough in water quality improvement effect due to limited aeration range and insufficient pertinence.

Disclosure of Invention

The utility model aims to solve the not enough of prior art, provide integration river course deep aeration membrane combined system, improve the promotion effect to quality of water.

In order to achieve the above object, an integrated river deep aeration membrane combination system is designed, comprising: the biological membrane frame body is arranged at the bottom of a river channel and comprises a frame and net sheets arranged on the upper side and the lower side of the frame, a clamping groove is formed in the lower side of the frame, and a plurality of filler ropes are further arranged in the biological membrane frame body; the aeration component is connected to the clamping groove at the lower side of the frame and comprises a vent pipe, a closed air passage is arranged in the vent pipe, the air passage is communicated with the air supply component through an air conveying pipe, at least one pair of air outlets which are oppositely arranged are arranged on the vent pipe, the air outlets are communicated with the air passage, and an aeration pipe is connected between each pair of air outlets; and the air supply assembly is arranged on the bank of the river channel and used for supplying air to the aeration assembly.

The utility model discloses still have following preferred technical scheme:

the river course in be equipped with a plurality of along the direction interval of parallel river course the biomembrane frame body, every biomembrane frame body is connected with aeration subassembly respectively.

The gas transmission pipe comprises a gas transmission main pipe and gas transmission branch pipes, the gas transmission main pipe is connected with the gas supply assembly and is arranged along the direction parallel to the river channel, the gas transmission main pipe is connected with a plurality of gas transmission branch pipes corresponding to the biomembrane frame body, and each gas transmission branch pipe is connected to an aeration assembly respectively.

The gas transmission main pipe is provided with a three-way joint corresponding to the position of the biomembrane frame body so as to be connected with the gas transmission branch pipe, and the gas transmission branch pipe is transversely arranged along the direction of a river channel.

The frame is a galvanized frame, the meshes are stainless tube meshes, the frame and the meshes are bound with the plurality of filler ropes, and the specific surface area of the biological ropes is 7000-7500 m2/m 3.

The frame is downwards provided with an extension section below the mesh sheet positioned on the lower side for being inserted into bottom mud of the river channel.

The air supply assembly comprises a blower room, the blower room is a rectangular box body, a silencing device, a heat dissipation device and an air blower are arranged in the blower room, and an air outlet of the air blower is communicated with the vent pipe through an air conveying pipe.

The box body plate of the rectangular box body on the side close to the river channel is provided with an air inlet through hole for an air delivery pipe to pass through, and the bottom of the air blower room is provided with a concrete square plate so as to be stably installed.

The breather pipe be a totally enclosed rectangle framework, the welding of the one end of rectangle framework has the suction nozzle of UNICOM to inside air flue for connect the gas-supply pipe, the welding of rectangle framework inboard has the gas outlet of UNICOM to inside air flue for connect the aeration pipe.

The aeration pipe comprises an air pipe, a microporous rubber membrane is wrapped on the air pipe, a plurality of micropores are formed in the microporous rubber membrane, and the size of the aeration pipe is 0.8m by 1.5m by 0.06 m; the outer diameter of the air inlet nozzle is 30mm, and the outer diameter of the air outlet is 30 mm; the air pipe be the ABS material, the pipe diameter is 65mm, a plurality of micropores that are equipped with on the micropore rubber membrane are aperture 1.5 mm.

Beneficial effects of the utility model

The utility model provides an advantage of integration river course deep aeration membrane combined system includes but not limited to: the utility model provides an integration river course deep aeration membrane combined system, the integrated configuration is simple feasible, easily installs and dismantles, and its advantage lies in:

1. the integrated riverway deep aeration membrane combination system is in an integrated installation mode, is convenient to combine and install, and does not need additional fixing measures.

2. The integrated riverway deep aeration membrane combined system has the advantages of small bubble diameter, large gas-liquid interface, high oxygen dissolving efficiency, high aeration strength, no generation of defects of blockage and contamination of pores and the like, and greatly improves the oxygen absorption capacity; in addition, the device can be arranged near the river bottom and has a certain oxidation effect on bottom mud.

3. The integrated riverway deep aeration membrane combined system can supply oxygen in a targeted manner, specifically supplies oxygen to the surrounding biological membranes, so that the surrounding biological membranes keep higher activity, and the disturbance effect of aeration bubbles is beneficial to the flushing and updating of the biological membranes, so that the sludge age is reduced, and the efficiency of degrading pollutants in water is improved.

Drawings

Fig. 1 is a schematic diagram of the overall arrangement of the present invention in one embodiment.

Fig. 2 is a schematic view of an assembly structure of a biofilm frame body according to an embodiment.

Figure 3 is a schematic diagram of a cross-sectional view of an aeration assembly in one embodiment.

In the figure: 1. a gas supply assembly; 2. a gas transmission main pipe; 3. a gas delivery branch pipe; 4. an aeration component and a biomembrane frame body; 5. a stainless steel mesh sheet; 6. a biological filler rope; 7. a galvanized square steel frame; 8. an aeration assembly; 9. a card slot; 10. an ABS air tube; 11. a rubber diaphragm; 12. a stainless steel air outlet; 13. a stainless steel vent pipe; 14. stainless steel suction nozzle 15, revetment area 16, river course area 17, air flue.

Detailed Description

The structure and principle of such a device will be apparent to those skilled in the art from the following further description of the invention with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, the utility model provides an integrated riverway deep aeration membrane combined system, which mainly comprises a biomembrane frame body, an aeration component and an air supply component, wherein the biomembrane frame body is arranged at the bottom of the riverway and comprises a frame and net sheets arranged at the upper side and the lower side of the frame, a clamping groove is arranged at the lower side of the frame, and a plurality of filler ropes are also arranged in the biomembrane frame body; the aeration component is connected to the clamping groove at the lower side of the frame and comprises a vent pipe, a closed air passage is arranged in the vent pipe, the air passage is communicated with the air supply component through an air conveying pipe, at least one pair of air outlets which are oppositely arranged are arranged on the vent pipe, the air outlets are communicated with the air passage, and an aeration pipe is connected between each pair of air outlets; the air supply assembly is arranged on the bank of the river channel and used for supplying air to the aeration assembly.

Referring to fig. 2, in this embodiment, a plurality of biofilm frame bodies are arranged in the river at intervals along a direction parallel to the river, and each biofilm frame body is connected with an aeration assembly. The frame is a galvanized frame, the net sheets are stainless pipe net sheets, the frame and the net sheets are bound with the plurality of filler ropes, the specific surface area of the biological ropes is 7000-7500 m2/m3, the biological film frame body is placed at the bottom of a river and has the advantages of stability and corrosion resistance, the clamping groove is formed in the lower portion of the biological film frame body, the aeration assembly can be directly fixed, and additional balance weight and balance measures are not needed. The basalt filler rope is preferably selected as the filler rope, is suspended in the biological membrane frame body in a close-packed manner at certain intervals, and has the advantages of large specific surface area and high membrane hanging speed.

Preferably, a plurality of the biofilm frame bodies and the aeration assemblies can be horizontally and sequentially placed in the center of a river channel without additional strengthening and pile fixing, and the distance between the adjacent biofilm frame bodies can be 5m, 8m or 10m according to the current situation of the river channel.

When the biological membrane frame is used, the biological membrane frame body and the aeration component can be spliced and assembled on the bank, wherein the specification of the biological membrane frame body is determined according to the condition of a river channel, and the height of the biological membrane frame body is controlled to be at least 20cm below the low water level of the river channel as much as possible; stainless steel wire meshes with the diameter of 2mm are fixed at the positions 10cm above the top and the bottom of the frame body, so that the biological filler ropes can be conveniently hung, and four legs of the frame body with the diameter of 10cm below the empty space extend downwards and can be directly inserted into bottom mud; in addition, the length of the biological filler rope is determined according to the height of the frame body, and the suspension density is basically controlled to be 20-40 cm; the middle position of the steel wire mesh arrangement at the lower part of the frame body is provided with a deep aeration clamping groove, so that the aeration component is convenient to bind and fix.

Referring to fig. 3, the aeration component is formed by combining a stainless pipe aeration pipe and a tubular microporous aeration component. The stainless steel breather pipe be a totally enclosed rectangle framework, the one end welding of rectangle framework has the pagoda suction nozzle of UNICOM to inside air flue for connect the gas-supply pipe, the inboard welding of punching of rectangle framework has the gas outlet of UNICOM to inside air flue, is used for connecting the aeration pipe, the stainless steel breather pipe forms for totally enclosed welding except that the business turn over gas port, gas tightness and steadiness are strong. Tubular micropore aeration subassembly, including the ABS breather pipe and contain the micropore rubber membrane, the air gets into tubular micropore aeration subassembly through the stainless steel breather pipe, then escapes through the micropore that is equipped with on the micropore rubber membrane, the bubble diameter that the rubber membrane diffuses out is little, the gas-liquid interface is big, aeration intensity is high, can not produce defects such as eyelet blockage, stain, improves the absorptive capacity of oxygen greatly, promotes the dissolved oxygen concentration of river course bottom fast, also can produce certain oxidation even to river course bed mud. In addition, the deep aeration component is fixed at the lower part of the biomembrane frame body, supplies oxygen to the surrounding biomembrane in a targeted manner, keeps the higher activity of the surrounding biomembrane, and is beneficial to the flushing and updating of the biomembrane and reduces the sludge age under the disturbance action of aeration bubbles.

Preferably, the size of the breather pipe is 0.8m × 1.5m × 0.06 m; the outer diameter of the air inlet nozzle is 30mm, and the outer diameter of the air outlet is 30 mm; the air pipe be the ABS material, the pipe diameter is 65mm, the micropore that is equipped with on the micropore rubber membrane is aperture 1.5mm, the bubble diameter of diffusion is little, the gas-liquid interface is big, aeration intensity is high, can not produce defects such as eyelet blockage, stain, improves the absorptive capacity of oxygen greatly.

The air supply assembly comprises a blower room, the blower room is a rectangular box body, a silencing device, a heat dissipation device and an air blower are arranged in the blower room, and an air outlet of the air blower is communicated with the vent pipe through an air conveying pipe. Be equipped with the air inlet through-hole on the nearly river course side of rectangle box body and be used for supplying the gas transmission pipe to pass through, air-blower room bottom set up the concrete square slab to steady installation in convenient for.

The air supply assembly with the aeration subassembly between pass through the gas-supply pipe gas transmission, the gas-supply pipe include that the gas transmission is responsible for and gas transmission branch pipe, the gas transmission be responsible for and the air supply assembly link to each other and set up along parallel river course direction, along the river course flow direction setting promptly, just the gas transmission be responsible for and be connected with a plurality of gas transmission branch pipes corresponding to biomembrane frame body, each gas transmission branch pipe is connected to an aeration subassembly respectively. Preferably, the gas transmission main pipe is provided with a three-way joint corresponding to the position of the biomembrane frame body so as to be connected with the gas transmission branch pipe, and the gas transmission branch pipe is transversely installed along the river channel direction, namely the installation direction is the direction from the river bank to the middle part of the river channel. Preferably, the tubular product of gas transmission main pipe select DE63, PE material for use, the gas transmission branch pipe select the steel wire hose for use, have the wall thickness, the leakproofness is strong, and the easy river course of being convenient for is laid and is connected.

When the device is used, the biomembrane frame body, the aeration component and the gas pipe are assembled outside, the gas tightness detection is needed before use, and the phenomena of no pore in the welding of the stainless steel vent pipe, no gap in the joint of the aeration pipe and the vent pipe, gas leakage and the like are ensured. A plurality of aeration subassemblies and biomembrane frame body combination and place the river course central point and put, and below the biomembrane frame body four feet were fixed in river course bed mud (degree of depth about 10 cm), the relative interval control of adjacent biomembrane frame body was between 5m ~10m, and wherein aeration branch pipe one end is connected the aeration and is responsible for, and the other end is connected in aeration subassembly suction nozzle department.

Claims

1. The utility model provides an integration river course deep aeration membrane combined system which characterized in that includes:

the biological membrane frame body is arranged at the bottom of a river channel and comprises a frame and net sheets arranged on the upper side and the lower side of the frame, a clamping groove is formed in the lower side of the frame, and a plurality of filler ropes are further arranged in the biological membrane frame body;

the aeration component is connected to the clamping groove at the lower side of the frame and comprises a vent pipe, and a closed air passage is arranged in the vent pipe;

the air supply assembly is arranged on the bank of the river channel and used for supplying air to the aeration assembly;

the air flue with the air feed subassembly be linked together through the gas-supply pipe, just the breather pipe on be equipped with at least a pair of gas outlet of mutual disposition, gas outlet and air flue be linked together, and every is connected with the aeration pipe between to the gas outlet.

2. The integrated riverway deep aeration membrane combination system according to claim 1, wherein a plurality of biofilm frames are arranged in the riverway at intervals along a direction parallel to the riverway, and each biofilm frame is connected with an aeration assembly.

3. The integrated riverway deep aeration membrane combination system according to claim 2, wherein the gas pipe comprises a gas main pipe and gas branch pipes, the gas main pipe is connected with the gas supply assembly and arranged in a direction parallel to the riverway, and the gas main pipe is connected with a plurality of gas branch pipes corresponding to the biofilm frame body, and each gas branch pipe is connected with an aeration assembly.

4. The integrated riverway deep aeration membrane combination system according to claim 3, wherein the gas transmission main pipe is provided with a tee joint corresponding to the biofilm frame body to connect the gas transmission branch pipes, and the gas transmission branch pipes are installed in a transverse direction of the riverway.

5. The integrated riverway deep aeration membrane combination system as claimed in claim 1, wherein the frame is a galvanized frame, the mesh is a stainless tube mesh, the frame and the mesh are bound with the plurality of filler ropes, and the specific surface area of the filler ropes is 7000-7500 m2/m 3.

6. The integrated riverway deep aeration membrane combination system as claimed in claim 1, wherein the frame is provided with an extension section downwards below the lower mesh for inserting into bottom mud of the riverway.

7. The integrated riverway deep aeration membrane combination system according to claim 1, wherein the air supply assembly comprises an air blower room, the air blower room is a rectangular box body, a silencing device, a heat dissipation device and an air blower are arranged in the air blower room, and an air outlet of the air blower is communicated with the vent pipe through an air delivery pipe.

8. The integrated riverway deep aeration membrane combination system as claimed in claim 7, wherein the rectangular box body plate on the side close to the riverway is provided with an air inlet through hole for an air delivery pipe to pass through, and the bottom of the blower room is provided with a concrete square plate for smooth installation.

9. The integrated riverway deep aeration membrane combination system according to claim 1, wherein the aeration pipe is a fully sealed rectangular frame, one end of the rectangular frame is welded with an air inlet nozzle communicated with the internal air passage for connecting an air delivery pipe, and the inner side of the rectangular frame is welded with an air outlet communicated with the internal air passage for connecting an aeration pipe.

10. The integrated riverway deep aeration membrane combination system according to claim 9, wherein the aeration pipe comprises an air pipe, the air pipe is wrapped with a microporous rubber membrane, the microporous rubber membrane is provided with a plurality of micropores, and the size of the aeration pipe is 0.8m by 1.5m by 0.06 m; the outer diameter of the air inlet nozzle is 30mm, and the outer diameter of the air outlet is 30 mm; the air pipe be the ABS material, the pipe diameter is 65mm, the aperture of a plurality of micropores that are equipped with on the micropore rubber membrane is 1.5 mm.