Defoaming device for nitrification tank

Abstract

The utility model relates to a defoaming device for a nitrification tank. The defoaming device comprises a pipe body and an injector head, the top of the pipe body is communicated with a defoaming pump water outlet branch pipe through a slipknot, and the bottom of the pipe body is connected with a spraying head through an internal thread connector; the injector head is in a horn mouth shape, and a round blocking piece is welded to an outlet in the bottom of the injector head. The circular separation blade is bent inwards to form an arc surface; a circle of water outlet holes are formed in the side wall of the spraying head; and a spray head is arranged in the spraying head. Compared with the prior art, the defoaming device has the advantages of high defoaming efficiency, convenience in assembly and disassembly, economy, environment friendliness and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of copper foil sewage biochemical treatment, in particular to an antifoaming device for a nitrification tank. Background Art

[0002] At present, when the nitrification tank treats high-COD and ammonia-nitrogen sewage, a large amount of bubbles and foams will be generated on the liquid surface of the nitrification tank. However, the current nitrification tank does not have a structure for treating bubbles, which not only affects the normal progress of the nitrification process, resulting in a decrease in the operating efficiency of the nitrification tank; but also a large amount of foam overflows, polluting the environment and even causing environmental protection accidents. Adding antifoaming agents will cause a decrease in dissolved oxygen in the nitrification tank, affecting the biochemical treatment efficiency and increasing the operating cost at the same time. Content of the Utility Model

[0003] The purpose of the utility model is to provide an antifoaming device for a nitrification tank in order to overcome the defects existing in the above-mentioned prior art.

[0004] The purpose of the utility model can be realized by the following technical solutions:

[0005] An antifoaming device for a nitrification tank, the antifoaming device includes a pipe body and a spray head; the top of the pipe body is connected to an antifoaming pump outlet water branch pipe through a loose joint, and the bottom is connected to the spray head by an internal thread joint; the spray head is a spray head with a flared shape, and a circular baffle is welded at the bottom outlet; the circular baffle bends inward to form an arc surface; a circle of water outlet holes is arranged on the side wall of the spray head; a spray head is arranged inside the spray head.

[0006] Further, the pipe body is made of PVC material; the loose joint is made of PVC material.

[0007] Further, the internal thread joint is made of stainless steel material; the circular baffle is made of stainless steel material.

[0008] Further, the antifoaming device is installed at the antifoaming hole; at least two antifoaming devices are arranged on each side of the antifoaming hole, and the spray heads of each antifoaming device are equidistantly arranged in the vertical direction.

[0009] Compared with the prior art, the utility model has the following advantages:

[0010] (1) The utility model designs the spray head into a flared shape, and a stainless steel circular baffle is welded at the bottom, so that the water outlet is dispersed in a mist shape, the antifoaming range is increased, and the efficiency is higher, which can ensure the efficient and stable operation of the biochemical treatment system; and the water source is provided by an antifoaming pump for hydraulic antifoaming, saving chemicals, reducing costs, and being economical and environmentally friendly.

[0011] (2) The top of the tube body of the present utility model is connected to the defoaming pump water outlet branch pipe through a quick coupling, and the bottom is connected to the spray head through an internal thread joint, with a simple structure and more convenient disassembly and assembly. Brief Description of the Drawings

[0012] Figure 1 It is a schematic structural diagram provided by the present utility model;

[0013] Figure 2 It is a schematic structural diagram of the circular baffle provided by the present utility model.

[0014] The labels in the figure are shown as:

[0015] 1. Tube body; 2. Spray head; 3. Circular baffle; 4. Water outlet hole; 5. Quick coupling; 6. Internal thread joint. Detailed Description of the Embodiment

[0016] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in 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. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. Generally, the components of the embodiments of the present utility model described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.

[0017] Therefore, the following detailed description of the embodiments of the present utility model provided in the accompanying drawings is not intended to limit the scope of the present utility model to be protected, but merely represents the selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model.

[0018] It should be noted that: Similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0019] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship when the product of this utility model is normally placed. It is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model.

[0020] It should be noted that the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, the meaning of "a plurality" is two or more, unless otherwise specifically defined.

[0021] In addition, terms such as "horizontal" and "vertical" do not mean that the components are required to be absolutely horizontal or hanging vertically, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0022] Embodiment

[0023] As Figure 1 shown, an antifoaming device for a nitrification tank, the antifoaming device includes a pipe body 1 made of PVC (polyvinyl chloride) material and a spray head 2; the top of the pipe body 1 is connected to an antifoaming pump water outlet branch pipe through a quick coupling 5 made of PVC material, and the bottom is connected to the spray head 2 by an internal thread joint 6, with a simple structure and more convenient disassembly and assembly; the spray head 2 is a flared spray head, and a circular baffle 3 is welded to the bottom outlet; as Figure 2 shown, the circular baffle bends inward to form an arc surface; a circle of water outlet holes 4 is arranged on the side wall of the spray head 2; a spray head is arranged inside the spray head 2; the antifoaming device is installed at the antifoaming hole; at least two antifoaming devices are arranged on each side of the antifoaming hole, and the spray heads 2 of each antifoaming device are equidistantly arranged in the vertical direction. The present utility model provides water source through an antifoaming pump, and after the water passes through the antifoaming pump water outlet branch pipe, the pipe body 1 and the spray head 2, it is sprayed out through the spray head inside the spray head 2. The sprayed water is blocked by the circular baffle at the bottom, so that all of it is sprayed out through the water outlet holes 4 on the side wall, making the water spray out in a misty state and dispersed, increasing the antifoaming range and higher efficiency, which can ensure the efficient and stable operation of the biochemical treatment system for hydraulic antifoaming, and save chemicals, reduce costs, and is economical and environmentally friendly.

[0024] In order to prevent rust and extend the service life of the antifoaming device, both the internal thread joint 6 and the circular baffle 3 are made of stainless steel material.

[0025] The preferred specific embodiments of the present utility model have been described in detail above. It should be understood that those of ordinary skill in the art can make many modifications and variations based on the concept of the present utility model without creative labor. Therefore, all technical solutions that can be obtained by those skilled in the art in the technical field of the present application through logical analysis, reasoning or limited experiments based on the concept of the present utility model on the basis of the existing technology should be within the protection scope determined by the claims.

Claims

1. A defoaming device for a nitrification pool, characterized in that: The defoaming device comprises a tube body (1) and a spray head (2); the top of the tube body (1) is connected to a defoaming pump outlet branch pipe through a slipknot (5), and the bottom is connected to the spray head (2) through an internal thread joint (6); the spray head (2) is a bell-shaped spray head, and a circular baffle (3) is welded to the bottom outlet; the circular baffle is bent inward to form an arc surface; the side wall of the spray head (2) is provided with a circle of water outlet holes (4); and a spray head is provided inside the spray head (2).

2. A defoaming device for a nitrification pond according to claim 1, characterized in that: The tube body (1) is made of PVC material; the slipknot (5) is made of PVC material.

3. A defoaming device for a nitrification pond according to claim 1, characterized in that: The inner thread joint (6) is a joint made of stainless steel; and the circular baffle (3) is a baffle made of stainless steel.

4. A defoaming device for a nitrification pond according to claim 1, characterized in that: The defoaming device is installed at the defoaming hole; at least two defoaming devices are arranged on each side of the defoaming hole, and the injection head (2) of each defoaming device is arranged equidistantly in the vertical direction.

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