CN217051790U

CN217051790U - Novel large-hole aeration device

Info

Publication number: CN217051790U
Application number: CN202220489299.1U
Authority: CN
Inventors: 洪建春; 黄松华; 黄德昌
Original assignee: United Envirotech Xiamen Co Ltd
Current assignee: United Envirotech Xiamen Co Ltd
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2022-07-26
Anticipated expiration: 2032-03-08

Abstract

The utility model discloses a new large-hole aeration device, which comprises a hollow bottomless frame, wherein two rows of symmetrically arranged gas collecting tanks are formed by separating the inner part of the frame, each gas collecting tank is provided with a large-hole aeration pipe with a downward opening on the inner wall of the top part, the bottom part of the opening of the large-hole aeration pipe is also provided with a limiting water outlet mechanism, the top parts of the gas collecting tanks are also provided with a gas supply mechanism, the top part of the frame is also provided with an aeration hole for receiving the gas of the gas supply mechanism, and one end of the frame is also fixed with a fixed slot; through the design of the utility model, one device comprises a plurality of gas collecting grooves, the length of which is equivalent to the width of the MBR membrane, and the device is convenient to assemble and disassemble; the aeration hole faces downwards, so that the aeration port is prevented from being easily polluted and blocked; the air inlet pipe is large in diameter and provided with an air supply groove capable of storing air, so that the stability of air supply pressure is improved, and the aeration uniformity is improved.

Description

Novel large-hole aeration device

Technical Field

The utility model belongs to the technical field of municipal sewage treatment, concretely relates to new macropore aeration equipment.

Background

An MBR (membrane bioreactor), which is a membrane bioreactor widely used for treating industrial and municipal sewage, organically combines a traditional biological wastewater treatment method with a modern membrane separation technology, and is a treatment method capable of efficiently treating wastewater and improving water quality.

Application No. 201720801762.0 discloses a can splice gas collection macropore aeration equipment for immersed membrane, the gas collecting tank of device is arranged in collecting MBR for increasing the undissolved gas of the micropore aeration of dissolved oxygen, emerge with the big bubble mode rapidly from the macropore aeration pipe again when reaching a certain amount, thereby can wash away the pollutant on the MBR membrane silk better, make full use of oxygenation aeration's tolerance washes away the pollutant on the MBR membrane silk, total aeration volume has been reduced, but because be single macropore aeration, need be with the concatenation, there is the installation complicacy, take time and labours, and its micropore aeration upwards, easily by dirty stifled, cause the phenomenon that the gas output reduces even does not give vent to anger, consequently in the in-service use, there is still the space that can improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a new macropore aeration equipment to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the novel large-hole aeration device comprises a hollow bottomless frame, wherein two rows of symmetrically-arranged gas collecting grooves are formed in the frame in a separated mode, each gas collecting groove is provided with a large-hole aeration pipe with a downward opening on the inner wall of the top of the gas collecting groove, a limiting water outlet mechanism is further arranged at the bottom of the opening of each large-hole aeration pipe, a plurality of gas supply mechanisms are further arranged at the tops of the gas collecting grooves, aeration holes used for receiving gas of the gas supply mechanisms are further formed in the tops of the frame, a fixing slot is further fixed at one end of the frame, a plug pin plate is embedded into the fixing slot, and the plug pin plate and the fixing slot form a fixing mechanism.

Preferably, the air supply mechanism consists of an air inlet hole and an air inlet groove, and the air inlet groove is covered outside the aeration holes of all the aeration holes.

Preferably, the limiting water outlet mechanism comprises a barrel cover which is of a hollow and top-free cylindrical structure, protruding plates are symmetrically fixed to the outer portion of the barrel cover, two limiting plates are fixed to the inner walls of the two sides of the gas collecting groove, the protruding plates are connected with the limiting plates in a clamping mode, a bolt penetrates through the joint of the protruding plates and the limiting plates, and a water outlet hole is formed in the circle center of the bottom end face of the barrel cover.

Preferably, the bolt plate is composed of a mounting plate, a sliding groove, a fixing plate, an adjusting plate, a limiting bulge, a limiting groove, a through groove and a stud, and the mounting plate and the fixing groove are fixed through bolts; the through groove is formed in the top end face of the mounting plate, the adjusting plate is fixed to the bottom end face of the fixing plate and clamped into the through groove, the sliding groove is formed in the inner side of the bottom of the fixing plate and communicated with the through groove, the stud is in penetrating connection with the sliding groove, one end of the stud is screwed into the adjusting plate, the other end of the stud is sleeved with a nut, and the nut abuts against the inner side face of the mounting plate.

Preferably, the limiting protrusion is fixed on the rear surface of the adjusting plate, the limiting groove is formed in the inner wall of the through groove, and the limiting groove is connected with the limiting protrusion in a clamping mode.

Preferably, the longitudinal sections of the limiting protrusion and the limiting groove are of a T-shaped structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the design of the utility model, one device comprises a plurality of gas collecting grooves, the length of which is equivalent to the width of the MBR membrane, thus being convenient for loading and unloading; the aeration holes face downwards, so that the aeration ports are prevented from being easily polluted and blocked; the air inlet pipe is large in diameter and is provided with an air supply groove capable of storing air, so that the stability of air supply pressure is improved, and the aeration uniformity is improved; meanwhile, the gas collecting tank is used for collecting undissolved gas which is aerated for micropores for increasing dissolved oxygen in the MBR, and when a certain amount of gas is reached, the gas is quickly emitted out from the macroporous aeration pipe in a large bubble mode, so that pollutants on the MBR membrane wires can be better washed away, the pollutants on the MBR membrane wires are washed away by fully utilizing the aeration gas amount, and the total aeration amount is reduced;

2. through the regulating plate of design, can be in the installation, according to the installation demand of reality, make corresponding regulation to the height of bolt board, realize the installation of co-altitude not, holistic regulation is also very convenient simultaneously, easily the operation.

Drawings

Fig. 1 is a front sectional view of the present invention;

fig. 2 is a bottom view of the present invention;

FIG. 3 is a top view of the gas collecting tank of the present invention;

fig. 4 is a cross-sectional view of the connection between the plug pin plate and the fixing slot of the present invention;

fig. 5 is an enlarged schematic view of the area a in fig. 4 according to the present invention.

In the figure: 1. a latch plate; 11. mounting a plate; 12. a chute; 13. a fixing plate; 14. an adjusting plate; 15. a limiting bulge; 16. a limiting groove; 17. a through groove; 18. a stud; 2. an air supply mechanism; 3. a gas collecting tank; 4. a cylinder cover; 5. a macroporous aeration pipe; 6. a limiting plate; 7. a convex plate; 8. a water outlet hole; 9. aeration holes; 10. and fixing the slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: the novel large-hole aeration device comprises a hollow bottomless outer frame, two rows of symmetrically arranged gas collecting grooves 3 are formed in the outer frame in a partitioned mode, one device comprises a plurality of gas collecting grooves 3, the length of each gas collecting groove 3 is equal to the width of an MBR (membrane bioreactor) membrane, and the assembly and disassembly are convenient; the aeration holes 9 face downwards, so that the aeration ports are prevented from being easily polluted and blocked; the air inlet pipe is large in diameter and is provided with an air supply groove capable of storing air, so that the stability of air supply pressure is improved, and the aeration uniformity is improved; meanwhile, the gas collecting grooves 3 are used for collecting undissolved gas which is aerated by micropores for increasing dissolved oxygen in the MBR, and when a certain amount of gas is reached, the undissolved gas is rapidly emitted from the macroporous aeration pipe 5 in a large bubble mode, so that pollutants on MBR membrane filaments can be better washed away, the pollutants on the MBR membrane filaments are washed away by fully utilizing the aeration amount, the total aeration amount is reduced, the inner wall of the top of each gas collecting groove 3 is provided with the macroporous aeration pipe 5 with a downward opening, the bottom of the opening of the macroporous aeration pipe 5 is also provided with a limiting water outlet mechanism, the top of the plurality of gas collecting grooves 3 is also provided with a gas supply mechanism 2, the top of the outer frame is also provided with an aeration hole 9 for receiving the gas of the gas supply mechanism 2, one end of the outer frame is also fixedly provided with a fixed slot 10, a bolt plate 1 is embedded in the fixed slot 10, and the bolt plate 1 and the fixed slot 10 form a fixed mechanism.

In this embodiment, preferably, the air supply mechanism 2 is composed of an air inlet hole and an air inlet groove, and the air inlet groove is covered outside the aeration holes 9 of all the aeration holes for air inlet.

In this embodiment, preferably, spacing water mechanism includes cover 4, and cover 4 is the cylinder structure of hollow no top, and cover 4 outside symmetry is fixed with flange 7, all is fixed with two limiting plates 6 at 3 both sides inner walls of gas collecting channel, and flange 7 is connected with 6 block of limiting plate, realizes the installation to cover 4, and handing-over department between them still runs through the bolt, and apopore 8 has still been seted up to cover 4's bottom face centre of a circle department.

In the embodiment, preferably, the latch plate 1 is composed of an installation plate 11, a sliding groove 12, a fixing plate 13, an adjustment plate 14, a limiting protrusion 15, a limiting groove 16, a through groove 17 and a stud 18, and the height of the latch plate 1 can be correspondingly adjusted according to actual installation requirements in installation through the designed adjustment plate 14, so that installation at different heights is realized, meanwhile, the overall adjustment is also very convenient and easy to operate, and the installation plate 11 and the fixing slot 10 are fixed through bolts; the through groove 17 is formed in the top end face of the mounting plate 11, the adjusting plate 14 is fixed to the bottom end face of the fixing plate 13 and clamped into the through groove 17, the sliding groove 12 is formed in the inner side of the bottom of the fixing plate 13 and communicated with the through groove 17, the stud 18 is in penetrating connection with the sliding groove 12, one end of the stud 18 is screwed into the adjusting plate 14, and a nut is sleeved on the other end of the stud and abuts against the inner side face of the mounting plate 11.

In this embodiment, preferably, the limiting protrusion 15 is fixed on the rear surface of the adjusting plate 14, the limiting groove 16 is formed on the inner wall of the through groove 17, and the limiting groove 16 is engaged with the limiting protrusion 15.

In this embodiment, preferably, the longitudinal sections of the limiting protrusion 15 and the limiting groove 16 are in a T-shaped structure, so as to realize limiting.

The utility model discloses a theory of operation and use flow: the utility model discloses when using, gas supply mechanism 2 will gather in the MBR for increasing the dissolved oxygen micropore aeration's undissolved gas through aeration air 9 transmit to the gas collecting tank 3 in, when the gas in the gas collecting tank 3 reaches a certain amount, emerge from macropore aeration pipe 5 rapidly with big bubble mode again, thereby can wash away the pollutant on the MBR membrane silk better, realize making full use of the aeration air volume of oxygenation and wash away the pollutant on the MBR membrane silk, the total aeration volume has been reduced, in use, through adjusting the position of cover 4, can adjust the gas storage volume of gas collecting tank 3 within a certain limit, and in the installation to cover 4, go into the inboard of limiting plate 6 with the protruding board 7 card of cover 4 both sides, and pass through the bolt fastening; in the installation process of the fixing plate 13 and external equipment, the mounting plate 11 and the fixing slot 10 are penetrated and fixed through bolts, then the adjusting plate 14 at the bottom of the fixing plate 13 is pulled towards the outside of the through groove 17, so that the height of the fixing plate 13 is adjusted, after the adjusting plate is adjusted to a proper position, the external nut is sleeved on the stud 18 and screwed, so that the nut is abutted against the inner side surface of the mounting plate 11, the limiting of the adjusting plate 14 is completed, in the adjustment of the height of the adjusting plate 14, the stud 18 moves in the sliding groove 12, the limiting protrusion 15 moves in the limiting groove 16, and the vertical movement of the adjusting plate 14 is ensured.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The novel macroporous aeration device is characterized in that: the gas collecting device comprises a hollow bottomless outer frame, wherein two rows of symmetrically-arranged gas collecting tanks (3) are formed by separating the inner part of the outer frame, each gas collecting tank (3) is provided with a large-hole aeration pipe (5) with a downward opening on the inner wall of the top of the gas collecting tank (3), a limiting water outlet mechanism is further arranged at the bottom of the opening of the large-hole aeration pipe (5), a plurality of gas supply mechanisms (2) are further arranged at the top of the gas collecting tank (3), aeration holes (9) used for receiving gas of the gas supply mechanisms (2) are further formed in the top of the outer frame, a fixed slot (10) is further fixed at one end of the outer frame, a bolt plate (1) is embedded into the inner part of the fixed slot (10), and the bolt plate (1) and the fixed slot (10) form a fixing mechanism.

2. The novel macro-porous aeration apparatus of claim 1, characterized in that: the air supply mechanism (2) is composed of an air inlet hole and an air inlet groove, and the air inlet groove is covered outside the aeration holes (9) of all the aeration holes.

3. The novel large pore aeration apparatus of claim 1, wherein: spacing water mechanism includes cover (4), cover (4) are the cylinder structure of cavity no top, cover (4) outside symmetry is fixed with flange (7) gas collecting tank (3) both sides inner wall all is fixed with two limiting plates (6), flange (7) are connected with limiting plate (6) block, and handing-over department between them still runs through the bolt, apopore (8) have still been seted up to the bottom face centre of a circle department of cover (4).

4. The novel large pore aeration apparatus of claim 1, wherein: the bolt plate (1) is composed of a mounting plate (11), a sliding groove (12), a fixing plate (13), an adjusting plate (14), a limiting protrusion (15), a limiting groove (16), a through groove (17) and a stud (18), and the mounting plate (11) and the fixing slot (10) are fixed through bolts; lead to groove (17) and set up on the top face of mounting panel (11), and regulating plate (14) are fixed on the bottom face of fixed plate (13) to the inside to leading to groove (17) is gone into to card, spout (12) are set up in the bottom of fixed plate (13) inboard, and communicate with leading to groove (17), and double-screw bolt (18) and spout (12) through connection, and the one end screw in of double-screw bolt (18) to the inside of regulating plate (14), and the cover is equipped with the nut on the other end, and this nut offsets with the medial surface of mounting panel (11).

5. The novel macro-porous aeration apparatus of claim 4, characterized in that: spacing arch (15) are fixed at the rear surface of regulating plate (14), and spacing groove (16) are seted up in the inner wall that leads to groove (17), spacing groove (16) are connected with spacing arch (15) block.

6. The novel large pore aeration apparatus of claim 5, wherein: the longitudinal sections of the limiting bulges (15) and the limiting grooves (16) are of T-shaped structures.