CN211546084U

CN211546084U - Intermittent sewage treatment device

Info

Publication number: CN211546084U
Application number: CN201922464510.5U
Authority: CN
Inventors: 郑静静
Original assignee: Fujian Qingtuo Environmental Protection Co ltd
Current assignee: Fujian Qingtuo Environmental Protection Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-22
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses an intermittent sewage treatment device, which belongs to the technical field of sewage treatment and comprises a regulating reservoir, a lift pump, a biofilm reactor and a decanter, wherein one side of the lift pump is fixedly connected with a communicating regulating reservoir inlet pipe, the other side of the lift pump is fixedly connected with a communicating biofilm reactor outlet pipe, the inlet pipe is provided with an aeration air inlet one-way valve, a filter screen is arranged in the regulating reservoir, the decanter is fixedly connected with the inner wall of the biofilm reactor, the middle section of the outlet pipe is provided with an aeration enhancing device, the aeration enhancing device comprises a shell, a plurality of elastic stirring heating rods, a heating device and a pressure regulating valve, the outlet pipe is butted at two sides of the shell, the stirring heating rods are flexibly connected with the shell, the heating device is connected with the stirring heating rods, the pressure regulating valve is fixedly connected with the shell, the utility model has the advantage of effectively improving the aeration effect.

Description

Intermittent sewage treatment device

Technical Field

The utility model relates to a sewage treatment technical field specifically is an intermittent type formula sewage treatment plant.

Background

Most of the existing centralized sewage treatment plants adopt an activated sludge method or an activated sludge method as a blue book for process transformation; the oxidation trench process is the most prominent. The activated sludge process mainly utilizes the zoogloea condensed by aerobic microorganisms to decompose organic pollutants in the sewage, and simultaneously artificially oxygenizes the water, so that the dissolved oxygen content of the water is improved, an aerobic environment favorable for the growth of the zoogloea is formed, the microorganisms metabolize in the process and continuously propagate to form new zoogloea, and the excessive zoogloea is discharged out of a structure in the process to become residual sludge which needs an additional technology for treatment; meanwhile, the artificial oxygenation of the water body usually needs an air blower, needs additional equipment investment and increases the production cost.

Therefore, the technical points of the intermittent aeration sewage treatment device, such as that proposed in chinese patent publication No. CN206467105U, are that the device comprises a regulating reservoir, a lift pump and a biofilm reactor, wherein a water inlet pipe of the lift pump is communicated with the regulating reservoir, a water outlet pipe is communicated with an aeration pipe arranged in the biofilm reactor, and the aeration pipe is provided with an ultramicro bubble aeration head; an aeration air inlet one-way valve is arranged on the air inlet pipe; a decanter is arranged in the biofilm reactor.

However, the technical scheme in the application document still has disadvantages, such as short path of gas-liquid in the process of lift pump transmission, insufficient gas-liquid mixing, and thus large lifting space for aeration effect.

Based on this, the utility model designs an intermittent type formula sewage treatment plant to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intermittent type formula sewage treatment plant to solve above-mentioned technical problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an intermittent type formula sewage treatment plant, including the equalizing basin, the elevator pump, biofilm reactor, the hydrophone decants, elevator pump one side rigid coupling has intercommunication equalizing basin inlet tube, the opposite side rigid coupling has intercommunication biofilm reactor outlet pipe, be equipped with the aeration check valve of admitting air on the inlet tube, be equipped with the filter screen in the equalizing basin, the hydrophone rigid coupling is in biofilm reactor inner wall, the outlet pipe middle section is equipped with aeration reinforcing means, aeration reinforcing means includes the casing, a plurality of stirring heating rod that have elasticity, heating device and pressure regulating valve, the outlet pipe butt joint is in the both sides of casing, stirring heating rod flexonics in the casing, heating device connects in stirring heating rod, pressure regulating valve rigid coupling is linked together in casing and its opposite side and the outlet pipe.

Preferably, the stirring heating rod is a hollow elastic body formed by winding steel money, the length direction of the hollow elastic body is consistent with the water flow direction, and a branch spoiler extends outwards in a forked shape.

Preferably, the cross section of the branch spoiler is circular in the middle and is uniformly dispersed into 6 rectangles along the circular periphery.

Preferably, the water pipes at the inlet and the outlet of the aeration enhancement device are spiral bent pipes.

Preferably, a one-way valve is arranged between the elbow at the inlet of the aeration enhancement device and the lift pump.

Preferably, an ultramicro bubble aeration head is fixed on a water outlet pipe in the biofilm reactor, and the ultramicro bubble aeration head is a rotary mixing type aeration head.

Compared with the prior art, the beneficial effects of the utility model are that: an aeration enhancing device is arranged between the pipelines of the lift pump and the bioreactor, the elbow pipe of the inlet and the outlet is favorable for gas-liquid mixing, the gas-liquid in the shell is favorable for mixing under the conditions of pressurization of the pressure regulating valve and heating and stirring of the stirring heating rod, and the aeration effect can be effectively improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic structural view of the aeration enhancing apparatus according to the present embodiment;

FIG. 3 is a schematic cross-sectional view of the salient branch spoiler of the present embodiment.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a regulating tank; 11. a filter screen; 2. a lift pump; 21. a water inlet pipe; 211. an aeration air inlet one-way valve; 22. a water outlet pipe; 3. an aeration enhancing means; 31. a housing; 32. agitating the heating rod; 321. a branch spoiler; 33. a heating device; 34. a pressure regulating valve; 35. a one-way valve; 36. bending the pipe; 4. a biofilm reactor; 41. a rotary mixing type aeration head; 5. a water decanter.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an intermittent sewage treatment device comprises a regulating reservoir 1, a lift pump 2, a biomembrane reactor 4 and a decanter 5, wherein one side of the lift pump 2 is fixedly connected with a water inlet pipe 21 communicated with the regulating reservoir 1, the other side is fixedly connected with a water outlet pipe 22 communicated with the biomembrane reactor 4, an aeration air inlet one-way valve 211 is arranged on the water inlet pipe 21, a filter screen 11 is arranged in the regulating reservoir 1, the decanter 5 is fixedly connected to the inner wall of the biofilm reactor 4, the middle section of the water outlet pipe 22 is provided with the aeration enhancing device 3, the aeration enhancing device 3 comprises a shell 31, a plurality of elastic stirring heating rods 32, a heating device 33 and a pressure regulating valve 34, the water outlet pipe 22 is butted on two sides of the shell 31, the stirring heating rods 32 are flexibly connected to the shell 31, the heating device 33 is connected to the stirring heating rods 32, the pressure regulating valve 34 is fixedly connected to the shell 31, and the other side of the pressure regulating valve is communicated with the water outlet pipe 22 close to the biofilm reactor 4.

As shown in fig. 1, the water outlet pipe 22 in the biofilm reactor 4 is fixed with an ultra-micro bubble aeration head, and the ultra-micro bubble aeration head is a rotary mixing type aeration head 41, which can enhance the aeration effect.

As shown in fig. 2, the water pipes at the inlet and outlet of the aeration enhancing device 3 are spiral bent pipes 36, so that the path of gas and liquid is prolonged, and gas and liquid mixing is facilitated.

As shown in fig. 2, a check valve 35 is provided between the elbow 36 at the inlet of the aeration enhancing apparatus 3 and the lift pump 2, and the gas and liquid form a space between the check valve 35 and the pressure regulating valve 34, which facilitates the mixing of the gas and liquid under pressurization.

As shown in fig. 2, the stirring heating rod 32 is a hollow elastic body made of steel money, and the length direction of the installation of the stirring heating rod is consistent with the water flow direction, and the stirring heating rod extends to a plurality of branches in a forked shape to form a branch spoiler 321, which can be expanded to the plurality of branches, and the stirring heating rod 32 can swing in the water flow under the action of the water flow when gas and liquid are introduced, so that the gas and liquid can be mixed under the conditions of heating and stirring.

As shown in fig. 3, the middle of the cross section of the branch spoiler 321 is circular and 6 rectangles are uniformly dispersed along the circular periphery, which is beneficial to accelerate the gas-liquid mixing of the water flow in the stirring cavity.

One specific application of this embodiment is: the aeration enhancing device 3 is arranged between the lifting pump 2 and the pipeline of the bioreactor, the elbow 36 at the inlet and the outlet is beneficial to gas-liquid mixing, the gas-liquid in the shell 31 is beneficial to mixing under the conditions that the pressure regulating valve 34 pressurizes and the stirring heating rod 32 heats and stirs, and the aeration effect can be effectively improved.

In conclusion, the aeration enhancement device 3 is arranged at the water outlet pipe 22 entering the bioreactor in the embodiment, so that the aeration effect can be effectively improved.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 utility model provides an intermittent type formula sewage treatment plant, includes equalizing basin (1), elevator pump (2), biofilm reactor (4), decants hydrophone (5), elevator pump (2) one side rigid coupling has inlet tube (21) of intercommunication equalizing basin (1), and the opposite side rigid coupling has intercommunication biofilm reactor (4) outlet pipe (22), be equipped with aeration check valve (211) of admitting air on inlet tube (21), be equipped with filter screen (11) in equalizing basin (1) decants hydrophone (5) rigid coupling in biofilm reactor (4) inner wall, its characterized in that: outlet pipe (22) middle section is equipped with aeration reinforcing apparatus (3), aeration reinforcing apparatus (3) include casing (31), a plurality of stirring heating rod (32), heating device (33) and pressure regulating valve (34) that have elasticity, outlet pipe (22) dock in the both sides of casing (31), stirring heating rod (32) flexonics in casing (31), heating device (33) are connected in stirring heating rod (32), pressure regulating valve (34) rigid coupling is linked together in casing (31) and its opposite side and outlet pipe (22) that are close to biofilm reactor (4).

2. A batch-type sewage treatment plant according to claim 1, characterized in that: the stirring heating rod (32) is a hollow elastic body formed by winding steel wires, the length direction of the installation of the stirring heating rod is consistent with the water flow direction, and a branch spoiler (321) extends outwards in a forked shape.

3. A batch-type sewage treatment plant according to claim 2, characterized in that: the middle part of the cross section of the branch spoiler (321) is circular and 6 rectangles are uniformly dispersed along the circular periphery.

4. A batch-type sewage treatment plant according to claim 1, characterized in that: the water pipes at the inlet and the outlet of the aeration enhancement device (3) are spiral bent pipes (36).

5. A batch-type sewage treatment plant according to claim 1, characterized in that: a one-way valve (35) is arranged between the elbow (36) at the inlet of the aeration enhancement device (3) and the lift pump (2).

6. A batch-type sewage treatment plant according to claim 1, characterized in that: an ultramicro bubble aeration head is fixed on a water outlet pipe (22) in the biomembrane reactor (4), and the ultramicro bubble aeration head is a rotary mixing type aeration head (41).