CN215403219U

CN215403219U - Three-stage air dissolving device for micro-nano air floatation

Info

Publication number: CN215403219U
Application number: CN202121610059.4U
Authority: CN
Inventors: 张德伟; 郑俊; 程强; 许阳
Original assignee: Huaqi Environment Protection Science And Technology Co ltd
Current assignee: Huaqi Environment Protection Science And Technology Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-01-04
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses a three-stage air dissolving device of micro-nano air flotation, and belongs to the technical field of environment-friendly water treatment. The water distributor comprises a tank body, wherein a diversion mixing water inlet pipe is arranged in the tank body, the diversion mixing water inlet pipe is divided into two sections which are respectively arranged inside and outside the tank body, and a plurality of vertical water distribution pipes are arranged at the tail end of the diversion mixing water inlet pipe in the tank body. According to the utility model, the tail end of the diversion mixing water inlet pipe in the tank body is provided with a plurality of vertical water distribution pipes, the top of each branch pipe is provided with an air hole, the side wall of each branch pipe is provided with a plurality of transverse seams, the projection has a certain angle, liquid passes through the transverse seams to form a water curtain to be fully contacted with the air layer on the upper part of the tank body, the gas-liquid interface has high updating frequency, and the gas dissolution is accelerated; gas is mixed, is dissolved for the first time in the mixed inlet pipe of water conservancy diversion, and unnecessary gas is discharged into the intraductal gas layer by founding water distribution formula pipe top gas pocket, dissolves the gas setting through tertiary, and water curtain water distribution mode can effectively improve and dissolve gas efficiency.

Description

Three-stage air dissolving device for micro-nano air floatation

Technical Field

The utility model relates to the technical field of environment-friendly water treatment, in particular to a three-stage air dissolving device of micro-nano air floatation.

Background

The dissolved air system is used as a core component of the traditional air floatation process, and the dissolved air efficiency of the dissolved air system determines the sewage treatment capacity and the energy consumption. The main influencing factors of the gas dissolving efficiency mainly lie in: dissolved air pressure, water temperature, mixing and the like. The air dissolves in aqueous and belongs to the liquid film control process, makes the liquid phase through assemble, dispersion, turn to, violent movements such as tearing, makes the liquid film turbulent motion for surface renewal rate, reduces the liquid film resistance, and then mass transfer efficiency will accelerate, and the existing equipment that dissolves gas efficiency generally is on the low side, and it is poor to dissolve the gas effect, adopts to add the filler to improve and dissolves gas efficiency, easily causes the system to block up, is difficult to reach the anticipated volume of dissolved gas water, and the energy consumption increases simultaneously, overhauls comparatively loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

Aiming at the defects and shortcomings in the prior art, the utility model provides a micro-nano air floatation three-stage air dissolving device, wherein a plurality of vertical water distribution pipes are arranged at the tail end of a diversion mixing water inlet pipe in a tank body, the tops of branch pipes are provided with air holes, the side walls of the branch pipes are provided with a plurality of transverse seams, the projection has a certain angle, liquid passes through the transverse seams to form a water curtain to be fully contacted with an air layer on the upper part of the tank body, the update frequency of a gas-liquid interface is high, the gas dissolution is accelerated, and the air dissolving efficiency can be effectively improved by the three-stage air dissolving device and the water curtain water distribution mode.

2. Technical scheme

In order to achieve the purpose, the technical scheme provided by the utility model is as follows:

the utility model relates to a micro-nano air floatation three-stage air dissolving device which comprises a tank body, wherein a guide mixing water inlet pipe is arranged in the tank body, the guide mixing water inlet pipe is divided into two sections which are respectively arranged inside and outside the tank body, and a plurality of vertical water distribution pipes are arranged at the tail end of the guide mixing water inlet pipe inside the tank body.

Furthermore, the length of the diversion mixed water inlet pipe is consistent with that of the tank body, 1/5 of the length of the diversion mixed water inlet pipe is arranged outside the tank body, the diversion mixed water inlet pipe outside the tank body is provided with an air inlet, flange end covers are arranged on two sides of the tank body, and a dissolved air water outlet is arranged at the lower right end of the tank body.

Furthermore, the vertical water distribution pipe is vertically arranged upwards at the outer side of the diversion mixing water inlet pipe, and the first vertical water distribution branch pipe is arranged at the tail end.

Furthermore, a supporting plate is arranged at the tail end of the diversion mixing water inlet pipe in the tank body.

Furthermore, the vertical water distribution pipe and the diversion mixing water inlet pipe are vertically installed, 1 air vent is arranged at the top of the vertical water distribution pipe, a plurality of transverse seams are arranged in the vertical direction of the side wall of the vertical water distribution pipe, and the projection of each transverse seam is 180 degrees.

Furthermore, a semicircular upper baffle is arranged in the tank body.

Furthermore, the semicircular upper baffle is arranged on the left side of the tank body, and the distance from the flange to the semicircular upper baffle is 2/5 tank body length.

Furthermore, a second air inlet is formed in the lower left end of the tank body, a U-shaped perforated air distribution pipe is arranged in a matched mode with the second air inlet, and the U-shaped perforated air distribution pipe and the dissolved air water outlet are symmetrically arranged on the outer side of the tank body.

Furthermore, the first vertical water distribution branch pipe is positioned in the middle of the semicircular upper baffle and the tail end flange.

Furthermore, the tank body can be provided with a pressure gauge, a safety valve and a floating ball controller which are used for auxiliary operation.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

according to the utility model, the tail end of the diversion mixing water inlet pipe in the tank body is provided with a plurality of vertical water distribution pipes, the top of each branch pipe is provided with an air hole, the side wall of each branch pipe is provided with a plurality of transverse seams, the projection has a certain angle, liquid passes through the transverse seams to form a water curtain to be fully contacted with the air layer on the upper part of the tank body, the gas-liquid interface has high updating frequency, and the gas dissolution is accelerated; the air inlet is arranged on the diversion mixing water inlet pipe arranged outside the tank body, gas is primarily mixed and dissolved in the diversion mixing water inlet pipe, redundant gas is discharged into an inner gas layer through a gas hole in the top end of the vertical water distribution type pipe, a gas distribution pipe is arranged on the lower left portion of the tank body, and a dissolved gas water outlet is arranged in a symmetrical position, so that short flow is effectively avoided. Through tertiary air dissolving setting, the air efficiency can effectively be dissolved to the water curtain water distribution mode that can improve.

Drawings

FIG. 1 is a block diagram of the present invention.

In the figure: 1. a tank body; 2. a diversion mixing water inlet pipe; 3. a vertical water distribution pipe; 4. a first air inlet; 5. a U-shaped perforated gas distribution pipe; 6. a semicircular upper baffle plate; 7. a support plate; 8. a dissolved air outlet; 9. and (4) a flange end cover.

Detailed Description

The utility model is further described with reference to the following figures and examples:

example 1

As can be seen from fig. 1, the three-stage air dissolving device of micro-nano air flotation of this embodiment includes a tank 1, a mixed inlet pipe 2 of water conservancy diversion is arranged in the tank 1, the mixed inlet pipe 2 of water conservancy diversion is divided into two sections and is set up in the tank 1 inside and outside respectively, the mixed inlet pipe 2 end of water conservancy diversion in the tank 1 inside is provided with a plurality of vertical water distributor 3, the lower left part of the tank 1 is provided with an air distribution pipe 5, the lower right part is provided with a dissolved air outlet 8, the tank 1 inside is provided with a semicircular upper baffle 6 and a support plate 7, the support plate 7 is used for supporting the vertical water distributor 3.

The first vertical water distribution branch pipe is positioned in the middle of the semicircular upper baffle 6 and the tail end flange, the semicircular upper baffle 6 can effectively control the water distribution range and prevent short flow, the first air inlet 4 is connected with the water inlet pipe to ensure that gas is fully mixed and dissolved in the pipe, the vertical water distribution pipe 3 is provided with water distribution seams which are divided into a plurality of layers to form a certain angle, and raw water forms a water curtain through the seams and fully contacts with an air layer in the tank to improve the gas dissolving efficiency.

The end of the diversion mixed inlet pipe 2 in the tank body 1 is provided with a supporting plate 7, the supporting plate 7 and the tank body 1 are welded to enable the tank body 1 and the diversion mixed inlet pipe 2 not to be welded, and the diversion mixed inlet pipe 2 can be integrally disassembled through a flange.

The length of the diversion mixed water inlet pipe 2 is consistent with that of the

tank body

1, 1/5 for the length of the diversion mixed water inlet pipe 2 is arranged outside the tank body 1, the diversion mixed water inlet pipe 2 outside the tank body 1 is provided with an air inlet 4, flange end covers 9 are arranged on two sides of the tank body 1, two ends of the tank body 1 are plugged by flanges, a dissolved air water outlet 8 is arranged at the lower right end of the tank body 1, the diameter of a water outlet pipe is larger than that of the diversion mixed water inlet pipe 2 by one grade, the increase of the loss of the water outlet pipe can be prevented, and gas is released in the water outlet pipe and gathered to form large bubbles.

Gas carries out first dissolved gas through air inlet 4 inlet pipe, and longer water conservancy diversion mixes inlet tube 2 and ensures that gas and water have comparatively abundant dissolution time, avoids the condition appearance of short stream simultaneously.

The vertical water distribution pipes 3 are vertically arranged upwards at the inner side of the diversion mixed water inlet pipe 2, the first vertical water distribution branch pipe is arranged at the tail end, one or more vertical water distribution pipes 3 can be arranged, the vertical water distribution pipes 3 and the diversion mixed water inlet pipe 2 are vertically arranged, the top is provided with 1 air vent, the vertical direction of the side wall is provided with a plurality of transverse seams, and the projection of each transverse seam is 180 degrees.

Through the structure, redundant undissolved gas can be discharged into the gas layer in the tank body 1 through the air holes at the top of the vertical water distribution pipes 3, the semicircular upper baffle 6 is arranged in the tank body 1, the arrangement of the semicircular upper baffle 6 ensures that the first vertical branch pipe section has a sufficient gas layer, the initially dissolved water forms a water curtain through the transverse seam and enters the gas layer to perform secondary water distribution and gas dissolution, and the gas dissolution effect is further improved.

The semicircular upper baffle 6 is arranged at the left side of the tank body 1, and the distance from the flange is 2/5 tank body length.

The lower extreme is provided with the second air inlet at 1 left side of the jar body, the second air inlet is provided with a plurality of gas distribution holes, effectively improve air water area of contact, improve and dissolve gas efficiency, the supporting U-shaped perforation gas distribution pipe 5 that is provided with of second air inlet, U-shaped perforation gas distribution pipe 5 and the symmetry setting in jar body 1 outside of dissolving gas delivery port 8, dissolve gas delivery port 8 and the mixed inlet tube 2 relative position of water conservancy diversion can avoid the short-circuit, the big one-level pipe diameter of while than intaking can prevent outlet pipe loss increase, gaseous release in the outlet pipe, assemble and form the big bubble, U-shaped perforation gas distribution pipe 5 is located the positive hypomere in 6 horizontal direction centers of semi-circular overhead gage.

Through the structure, high-pressure gas forms tiny bubbles through the air holes, and fully contacts and dissolves the internal solution from bottom to top to form a third-stage gas dissolving structure.

The tank body 1 can be provided with auxiliary components such as a pressure gauge, a safety valve, a floating ball controller and the like for auxiliary operation.

According to the utility model, the end of the diversion mixing water inlet pipe 2 in the tank body 1 is provided with a plurality of vertical water distribution pipes 3, the top of each branch pipe is provided with an air hole, the side wall of each branch pipe is provided with a plurality of transverse seams, the projection has a certain angle, liquid passes through the transverse seams to form a water curtain to be fully contacted with an air layer on the upper part of the tank body 1, the gas-liquid interface has high updating frequency, and the gas dissolution is accelerated; mix the inlet tube 2 and be provided with air inlet 4 at the water conservancy diversion of arranging jar body 1 outside in, gas mixes the inlet tube 2 in the water conservancy diversion and carries out first mixing, dissolves, and the gas layer in the tube is discharged into by 3 top gas pockets of upright water distribution formula pipe to unnecessary gas, and 1 left lower part of jar body is provided with gas distribution pipe 5, and symmetric position is equipped with dissolves gas delivery port 8, dissolves the gas setting through the tertiary, and water curtain water distribution mode can effectively improve and dissolve gas efficiency.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the utility model, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the utility model.

Claims

1. The utility model provides a three-level of micro-nano air supporting dissolves gas device, includes a jar body (1), jar body (1) inside is provided with water conservancy diversion and mixes inlet tube (2), its characterized in that: the diversion mixing water inlet pipe (2) is divided into two sections which are respectively arranged inside and outside the tank body (1), and the tail end of the diversion mixing water inlet pipe (2) inside the tank body (1) is provided with a plurality of vertical water distribution pipes (3).

2. The three-stage air dissolving device of micro-nano air flotation according to claim 1, characterized in that: the water conservancy diversion mixes inlet tube (2) length and jar body (1) keep unanimous, 1/5 that the water conservancy diversion mixes inlet tube (2) length sets up in jar body (1) outside, the water conservancy diversion that jar body (1) outside mixes inlet tube (2) is equipped with first air inlet (4), jar body (1) both sides are provided with flange end cover (9), jar body (1) right side lower extreme is equipped with dissolves gas delivery port (8).

3. The three-stage air dissolving device of micro-nano air flotation according to claim 2, characterized in that: the vertical water distribution pipe (3) is vertically arranged upwards at the outer side of the diversion mixing water inlet pipe (2), and the first vertical water distribution branch pipe is arranged at the tail end.

4. The three-stage air dissolving device of micro-nano air flotation according to claim 1, characterized in that: the tail end of the diversion mixing water inlet pipe (2) in the tank body (1) is provided with a supporting plate (7).

5. The three-stage air dissolving device of micro-nano air flotation according to claim 3, characterized in that: the vertical water distribution pipe (3) and the diversion mixing water inlet pipe (2) are vertically installed, the top of the vertical water distribution pipe (3) is provided with 1 air vent, the vertical direction of the side wall of the vertical water distribution pipe (3) is provided with a plurality of transverse seams, and the projection of each transverse seam is 180 degrees.

6. The three-stage air dissolving device of micro-nano air flotation according to claim 3, characterized in that: a semicircular upper baffle (6) is arranged in the tank body (1).

7. The three-stage air dissolving device of micro-nano air flotation according to claim 6, characterized in that: the semicircular upper baffle (6) is arranged on the left side of the tank body (1) and is 2/5 tank body length away from the flange.

8. The three-stage air dissolving device of micro-nano air flotation according to claim 6, characterized in that: the lower left end of the tank body (1) is provided with a U-shaped perforated gas distribution pipe (5), and the U-shaped perforated gas distribution pipe (5) and the dissolved gas water outlet (8) are symmetrically arranged on the outer side of the tank body (1).

9. The three-stage air dissolving device of micro-nano air flotation according to claim 6, characterized in that: the first vertical water distribution branch pipe is positioned in the middle of the semicircular upper baffle (6) and the tail end flange.

10. The three-stage air dissolving device of micro-nano air flotation according to claim 1, characterized in that: the tank body (1) can be provided with a pressure gauge, a safety valve and a floating ball controller which are operated in an auxiliary way.