CN210885487U

CN210885487U - MBBR removes bed biomembrane reaction unit

Info

Publication number: CN210885487U
Application number: CN201921825830.2U
Authority: CN
Inventors: 段广芬
Original assignee: Tianjin Huichun Technology Co ltd
Current assignee: Tianjin Huichun Technology Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-06-30
Anticipated expiration: 2029-10-29

Abstract

The utility model relates to a water treatment technical field just discloses a MBBR removes bed biomembrane reaction unit, which comprises a housin, the fixed intercommunication of outer wall of casing has inlet pipe and discharging pipe, fixedly connected with aeration pipe in the casing, the lateral wall of casing upside is connected with the agitator through hoist mechanism, the lateral wall of casing upside is connected with pressure release mechanism. The utility model discloses the effectual stability that improves the agitator job, the effectual security that improves the device and use.

Description

MBBR removes bed biomembrane reaction unit

Technical Field

The utility model relates to a water treatment technical field especially relates to a MBBR removes bed biomembrane reaction unit.

Background

The moving bed biofilm is characterized in that a certain amount of suspended filler with density close to that of water is added into an aerobic reactor, so that the density of the suspended filler is close to that of the water after the biofilm is formed, and the filler is ensured to be suspended in the water.

For example, chinese patent No. CN209143831U discloses an MBBR moving bed biofilm reactor, which comprises an outer shell and an inner shell, wherein a water inlet and a water outlet are provided on the outer shell and the inner shell, the MBBR moving bed biofilm reactor further comprises a submersible stirring mechanism, and the submersible stirring mechanism comprises a lifting motor, a lifting rope and a stirrer. The MBBR moving bed biofilm reactor in the patent has the following defects: above-mentioned reaction unit's agitator carries through carrying the stay cord and draws, leads to the agitator during operation to produce great rocking, influences the normal work of agitator, and foretell reaction unit lacks pressure relief mechanism when ventilating, causes the inside pressure of reaction unit too high easily, leads to the casing pressurized too big, leads to the casing to damage easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the stirrer is rocked and the reaction device lacks the pressure release structure when the stirrer works because the lifting rope is used for lifting the stirrer in the prior art, and providing the MBBR moving bed biomembrane reaction device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an MBBR moving bed biofilm reaction device comprises a shell, wherein the outer wall of the shell is fixedly communicated with a feeding pipe and a discharging pipe, an aeration pipe is fixedly connected in the shell, the side wall of the upper side of the shell is connected with a stirrer through a lifting mechanism, and the side wall of the upper side of the shell is connected with a pressure relief mechanism;

hoist mechanism includes the screw rod of fixed connection at agitator upside lateral wall, spacing hole has been seted up to the lateral wall of casing upside, the screw rod runs through the casing through spacing hole, the pore wall in spacing hole and the pole wall sliding connection of screw rod, the lateral wall fixedly connected with U template of casing upside, the mounting hole has been seted up to the lateral wall of U template upside, the pore wall of mounting hole rotates through ball bearing and is connected with the internal thread pipe, the internal thread pipe thread bush is located outside the screw rod, the lateral wall fixedly connected with driving motor of U template upside, driving motor's output shaft fixedly connected with driving gear, internal thread outside of tubes fixed cover is equipped with driven gear with driving gear engaged with.

Preferably, the pressure relief mechanism includes the pressure release pipe of fixed intercommunication at casing upside lateral wall, the connecting rod has been cup jointed in the activity of pressure release pipe, the upper end fixedly connected with sealing ball of connecting rod, the diameter of sealing ball is greater than the internal diameter of pressure release pipe, the lower extreme fixedly connected with counterweight ball of connecting rod.

Preferably, the hole wall of the limiting hole is symmetrically and fixedly connected with two limiting blocks, and the rod wall of the screw rod is symmetrically provided with two limiting sliding grooves matched with the limiting blocks.

Preferably, the four corners of the lower surface of the shell are fixedly connected with supporting legs.

Preferably, the specific material of the counterweight ball is lead.

Compared with the prior art, the utility model provides a MBBR removes bed biomembrane reaction unit possesses following beneficial effect:

1. this MBBR removes bed biofilm reaction unit, hoist mechanism through setting up, during the use, control driving motor rotates, driving motor's output shaft drives the driving gear and rotates, the driving gear drives driven gear and rotates, driven gear drives the internal thread pipe and rotates, the internal thread pipe rotates and makes the screw rod remove, the screw rod drives the agitator and removes, thereby make the agitator carry out comprehensive stirring to the inside of whole casing, the screw rod is rigid, can not take place great rocking at the in-process agitator that promotes the agitator, the effectual stability that improves agitator work.

2. This MBBR removes bed biomembrane reaction unit, through the pressure release mechanism that sets up, during the use, when atmospheric pressure in the casing is too high, gaseous promotion ball sealer rebound makes the ball sealer break away from the pressure release pipe, removes the sealing of ball sealer to the pressure release pipe, and gaseous pressure release through the pressure release pipe to make the atmospheric pressure in the casing reduce, the effectual security that improves the device and use.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses the effectual stability that improves the agitator work, the effectual security that improves the device and use.

Drawings

FIG. 1 is a schematic structural diagram of an MBBR moving bed biofilm reactor provided by the present invention;

FIG. 2 is a schematic structural view of portion A of FIG. 1;

fig. 3 is a schematic structural diagram of a portion B in fig. 1.

In the figure: the device comprises a shell 1, a lifting mechanism 2, a screw 21, a limiting hole 22, a 23U-shaped plate, a 24 mounting hole, a 25 internal threaded pipe, a 26 driving motor, a 27 driving gear, a 28 driven gear, a 3 stirrer, a 4 pressure relief mechanism, a 41 pressure relief pipe, a 42 connecting rod, a 43 sealing ball, a 44 counterweight ball, a 5 limiting block, a 6 limiting chute and 7 supporting legs.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, an MBBR moving bed biofilm reaction device comprises a shell 1, wherein the outer wall of the shell 1 is fixedly communicated with a feeding pipe and a discharging pipe, an aeration pipe is fixedly connected in the shell 1, the side wall of the upper side of the shell 1 is connected with a stirrer 3 through a lifting mechanism 2, and the side wall of the upper side of the shell 1 is connected with a pressure relief mechanism 4;

hoist mechanism 2 includes the screw rod 21 of fixed connection at 3 upside lateral walls of agitator, spacing hole 22 has been seted up to the lateral wall of 1 upside of casing, screw rod 21 runs through casing 1 through spacing hole 22, spacing hole 22's pore wall and screw rod 21's pole wall sliding connection, the lateral wall fixedly connected with U template 23 of 1 upside of casing, mounting hole 24 has been seted up to the lateral wall of U template 23 upside, the pore wall of mounting hole 24 rotates through ball bearing and is connected with internal thread pipe 25, external screw rod 21 is located to internal thread pipe 25 thread bush, the lateral wall fixedly connected with driving motor 26 of U template 23 upside, driving motor 26's output shaft fixedly connected with driving gear 27, internal thread pipe 25 external fixation cover is equipped with driven gear 28 with driving gear 27 looks meshing.

The pressure relief mechanism 4 comprises a pressure relief pipe 41 fixedly communicated with the side wall of the upper side of the shell 1, a connecting rod 42 is movably sleeved in the pressure relief pipe 41, a sealing ball 43 is fixedly connected to the upper end of the connecting rod 42, the diameter of the sealing ball 43 is larger than the inner diameter of the pressure relief pipe 41, and a counterweight ball 44 is fixedly connected to the lower end of the connecting rod 42.

Two stoppers 5 of spacing hole 22's pore wall symmetry fixedly connected with, two and stopper 5 assorted spacing spouts 6 are seted up to the pole wall symmetry of screw rod 21, carry on spacingly to screw rod 21, avoid screw rod 21 to rotate.

The four corners of the lower surface of the shell 1 are fixedly connected with supporting legs 7.

The specific material of the counterweight balls 44 is lead, which has a high density and a high mass per unit volume.

In the utility model, during the use, control driving motor 26 and rotate, driving motor 26's output shaft drives driving gear 27 and rotates, driving gear 27 drives driven gear 28 and rotates, driven gear 28 drives internal thread pipe 25 and rotates, internal thread pipe 25 rotates and makes screw rod 21 move, screw rod 21 drives agitator 3 and moves, thereby make agitator 3 carry out comprehensive stirring to the inside of whole casing 1, screw rod 21 is rigid, agitator 3 can not take place great rocking in the process of promoting agitator 3, the stability of agitator 3 work has effectively been improved; when the air pressure in the shell 1 is too high, the air pushes the sealing ball 43 to move upwards, so that the sealing ball 43 is separated from the pressure relief pipe 41, the sealing of the sealing ball 43 on the pressure relief pipe 41 is released, and the air is relieved through the pressure relief pipe 41, so that the air pressure in the shell 1 is reduced, and the use safety of the device is effectively improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An MBBR moving bed biofilm reaction device comprises a shell (1), wherein the outer wall of the shell (1) is fixedly communicated with a feeding pipe and a discharging pipe, and an aeration pipe is fixedly connected in the shell (1), and the MBBR moving bed biofilm reaction device is characterized in that the side wall of the upper side of the shell (1) is connected with a stirrer (3) through a lifting mechanism (2), and the side wall of the upper side of the shell (1) is connected with a pressure relief mechanism (4);

the lifting mechanism (2) comprises a screw rod (21) fixedly connected with the side wall of the upper side of the stirrer (3), the side wall of the upper side of the shell (1) is provided with a limiting hole (22), the screw rod (21) penetrates through the shell (1) through the limiting hole (22), the hole wall of the limiting hole (22) is connected with the rod wall of the screw rod (21) in a sliding way, the side wall of the upper side of the shell (1) is fixedly connected with a U-shaped plate (23), the side wall of the upper side of the U-shaped plate (23) is provided with a mounting hole (24), the hole wall of the mounting hole (24) is rotatably connected with an internal threaded pipe (25) through a ball bearing, the internal thread pipe (25) is sleeved outside the screw rod (21) in a threaded manner, the side wall of the upper side of the U-shaped plate (23) is fixedly connected with a driving motor (26), an output shaft of the driving motor (26) is fixedly connected with a driving gear (27), the external fixed cover of internal thread pipe (25) is equipped with driven gear (28) with driving gear (27) looks meshing.

2. An MBBR moving bed biofilm reaction device according to claim 1, wherein the pressure relief mechanism (4) comprises a pressure relief pipe (41) fixedly communicated with the side wall of the upper side of the shell (1), a connecting rod (42) is movably sleeved in the pressure relief pipe (41), the upper end of the connecting rod (42) is fixedly connected with a sealing ball (43), the diameter of the sealing ball (43) is larger than the inner diameter of the pressure relief pipe (41), and the lower end of the connecting rod (42) is fixedly connected with a counterweight ball (44).

3. An MBBR moving bed biofilm reaction device according to claim 1, wherein the wall of the limiting hole (22) is symmetrically and fixedly connected with two limiting blocks (5), and the wall of the screw (21) is symmetrically provided with two limiting chutes (6) matched with the limiting blocks (5).

4. An MBBR moving bed biofilm reactor according to claim 1, wherein four corners of the lower surface of the shell (1) are fixedly connected with supporting legs (7).

5. An MBBR moving bed biofilm reactor according to claim 2, wherein the specific material of said counterweight balls (44) is lead.