CN220845676U - ED fresh water mixing tank - Google Patents

Abstract

The utility model discloses an ED fresh water mixing tank, which comprises a mixing tank, wherein the mixing tank is connected with a liquid inlet pipe, the mixing tank is provided with an overflow weir, an aeration mechanism, a steam pipe and a stirring mechanism are sequentially arranged in the mixing tank from bottom to top, the stirring mechanism comprises a rotating shaft which is horizontally arranged, stirring blades are arranged on the rotating shaft, the side wall of the stirring blades, which is positioned in the rotating direction of the rotating shaft, is provided with an inwards concave arc surface, and the stirring blades are provided with through holes communicated with the arc surface. The beneficial effects of the utility model are as follows: the steam pipe is arranged between the stirring mechanism and the aeration mechanism, the rapid rising of high-temperature steam is utilized to further promote the generation and expansion of bubbles, the contact area between the bubbles and water is improved, the stirring mechanism enables the upper liquid layer and the lower liquid layer to be fully and alternately circulated, and the mixing efficiency is higher.

Description

ED fresh water mixing tank

Technical Field

The utility model relates to the technical field of sewage treatment equipment, in particular to an ED fresh water mixing tank.

Background

In fracturing flow-back fluid treatment, before the fresh water subjected to concentration and desalination by an electrodialysis concentration system enters an MBR biochemical treatment unit, the fresh water needs to be added with condensate returned by an evaporation crystallization unit, and added nutrient solution and acid solution are added into an ED fresh water mixing tank together for mixing and homogenizing and then pumped into an anoxic tank.

Disclosure of utility model

The utility model aims to provide an ED fresh water mixing tank, which solves the problems of uneven gas distribution and low mixing efficiency of the existing aeration mode.

The aim of the utility model is achieved by the following technical scheme:

The utility model provides a ED fresh water mixing tank, includes the mixing tank, the mixing tank is connected with the feed liquor pipe, the mixing tank is equipped with the overflow weir, be equipped with aeration mechanism, steam pipe, rabbling mechanism from bottom to top in the mixing tank in proper order, the rabbling mechanism includes the pivot of horizontal installation, be equipped with the stirring leaf in the pivot, lie in on the stirring leaf the lateral wall of the direction of rotation of pivot is equipped with the arcwall face of indent, be equipped with the intercommunication on the stirring leaf the through-hole of arcwall face.

Further, the steam pipe is located under the rotating shaft and arranged along the axial direction of the rotating shaft, and air outlets are formed in two sides of the lower wall of the steam pipe.

Further, the middle part of steam pipe is connected with the steam pipe, the feed liquor end of steam pipe is located the top of rabbling mechanism, the vertical section of steam pipe is fixed through first supporting seat on the inside wall of blending tank.

Further, the liquid inlet pipe comprises an ED fresh water pipe, a condensate return pipe, an acid liquid pipe and a nutrient solution pipe.

Further, a temperature sensor is arranged on one side of the top wall of the mixing tank, which is positioned on the overflow weir, and the overflow weir and the steam inlet pipe are respectively arranged on two sides of the mixing tank.

Further, the aeration mechanism comprises an air inlet pipe, a second supporting seat, an aeration pipe and an aeration disc, wherein the aeration pipe is fixed with the bottom wall of the mixing tank through the second supporting seat, the aeration disc is arranged on the aeration pipe, and the air inlet pipe is communicated with the aeration pipe.

Further, the diapire of blending tank is the toper and fights, the lower extreme of second supporting seat with toper fights fixed connection, the lower extreme that the toper fights is equipped with the drain.

The utility model has the following advantages:

The steam pipe is arranged between the stirring mechanism and the aeration mechanism, the rapid rising of high-temperature steam is utilized to further promote the generation and expansion of bubbles, the contact area between the bubbles and water is improved, the stirring mechanism enables the upper liquid layer and the lower liquid layer to be fully and alternately circulated, and the mixing efficiency is higher.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

In the figure, a 1-mixing tank, a 101-conical hopper, a 2-liquid inlet pipe, a 3-overflow weir, a 4-steam pipe, a 5-rotating shaft, a 6-stirring blade, a 7-arc surface, an 8-through hole, a 9-steam inlet pipe, a 10-first supporting seat, a 11-temperature sensor, a 12-air inlet pipe, a 13-second supporting seat, a 14-aeration pipe, a 15-aeration disc and a 16-drain outlet.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, one embodiment of the present utility model is:

The utility model provides a ED fresh water mixing tank, includes mixing tank 1, mixing tank 1 is connected with feed liquor pipe 2, mixing tank 1 is equipped with overflow weir 3, be equipped with aeration mechanism, steam pipe 4, rabbling mechanism from bottom to top in proper order in the mixing tank 1, rabbling mechanism includes the pivot 5 of horizontal installation, be equipped with stirring leaf 6 in the pivot 5, be located on the stirring leaf 6 the lateral wall of the direction of rotation of pivot 5 is equipped with indent arcwall face 7, be equipped with the intercommunication on the stirring leaf 6 arcwall face 7's through-hole 8.

The steam pipe 4 is located under the rotating shaft 5 and is arranged along the axial direction of the rotating shaft 5, and air outlets are formed in two sides of the lower wall of the steam pipe 4.

The liquid inlet pipe 2 comprises an ED fresh water pipe, a condensate return pipe, an acid liquor pipe and a nutrient liquor pipe.

The steam pipe 4 is arranged between the stirring mechanism and the aeration mechanism, and the rapid rising of high-temperature steam is utilized to further promote the generation and expansion of bubbles, improve the contact area between the bubbles and water, and the stirring mechanism enables the upper liquid layer and the lower liquid layer to be fully and alternately circulated, so that the mixing efficiency is higher.

The stirring shaft is horizontally arranged, and then the stirring blades drive the upper layer liquid and the lower layer liquid to circulate alternately, so that the mixing efficiency is improved, the arranged arc-shaped surface 7 is used as an upstream surface, the liquid diffusion is facilitated, the arranged through holes 8 enable part of the liquid to pass through the through holes and promote bubble generation, and the mixing efficiency is improved.

In this embodiment, the middle part of the steam pipe 4 is connected with a steam inlet pipe 9, a liquid inlet end of the steam inlet pipe 9 is located above the stirring mechanism, and a vertical section of the steam inlet pipe 9 is fixed on the inner side wall of the mixing tank 1 through a first supporting seat 10.

The top wall of the mixing tank 1 is provided with a temperature sensor 11 at one side of the overflow weir 3, and the overflow weir 3 and the steam inlet pipe 9 are separately arranged at two sides of the mixing tank 1.

The liquid inlet pipe of the steam inlet pipe 9 is positioned above the stirring mechanism, so that the heat emitted by the steam inlet pipe 9 fully heats the mixed liquid, the temperature distribution of the liquid at the position matched with the stirring mechanism is uniform, and the temperature sensor 11 is used for detecting the temperature of the liquid so as to be the control basis of the steam quantity.

In this embodiment, the aeration mechanism includes an air inlet pipe 12, a second support seat 13, an aeration pipe 14, and an aeration disc 15, the aeration pipe 14 is fixed to the bottom wall of the mixing tank 1 by the second support seat 13, the aeration disc 15 is disposed on the aeration pipe 14, and the air inlet pipe 12 is communicated with the aeration pipe 14.

Specifically, the bottom wall of the mixing tank 1 is a conical bucket 101, the lower end of the second supporting seat 13 is fixedly connected with the conical bucket 101, and a drain outlet 16 is arranged at the lower end of the conical bucket 101.

The upper end of the second supporting seat 13 is positioned at the same level so as to be convenient for installing the aeration pipe 14, and sludge in the incoming water is deposited by using the second supporting seat 13 and discharged through the sewage outlet 16.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. An ED fresh water mixing tank which is characterized in that: including the blending tank, the blending tank is connected with the feed liquor pipe, the blending tank is equipped with the overflow weir, be equipped with aeration mechanism, steam pipe, rabbling mechanism in proper order from bottom to top in the blending tank, the rabbling mechanism includes the pivot of horizontal installation, be equipped with the stirring leaf in the pivot, lie in on the stirring leaf the lateral wall of the direction of rotation of pivot is equipped with the arcwall face of indent, be equipped with the intercommunication on the stirring leaf the through-hole of arcwall face.

2. The ED fresh water mixing tank of claim 1, wherein: the steam pipe is located under the rotating shaft and arranged along the axial direction of the rotating shaft, and air outlets are formed in two sides of the lower wall of the steam pipe.

3. An ED fresh water mixing tank according to claim 2, wherein: the middle part of steam pipe is connected with the steam pipe, the feed liquor end of steam pipe is located the top of rabbling mechanism, the vertical section of steam pipe is fixed through first supporting seat on the inside wall of blending tank.

4. The ED fresh water mixing tank of claim 1, wherein: the liquid inlet pipe comprises an ED fresh water pipe, a condensate return pipe, an acid liquid pipe and a nutrient liquid pipe.

5. An ED fresh water mixing tank according to claim 3, wherein: the top wall of the mixing tank is provided with a temperature sensor at one side of the overflow weir, and the overflow weir and the steam inlet pipe are respectively arranged at two sides of the mixing tank.

6. An ED fresh water mixing tank according to any one of claims 1 to 5, wherein: the aeration mechanism comprises an air inlet pipe, a second supporting seat, an aeration pipe and an aeration disc, wherein the aeration pipe is fixed with the bottom wall of the mixing tank through the second supporting seat, the aeration disc is arranged on the aeration pipe, and the air inlet pipe is communicated with the aeration pipe.

7. The ED fresh water mixing tank of claim 6, wherein: the diapire of blending tank is the toper fights, the lower extreme of second supporting seat with toper fight fixed connection, the lower extreme that the toper fights is equipped with the drain.