Automatic liquid discharge structure for air floatation separation device and water purification equipment

Abstract

The present application belongs to the field of air floatation separation. The self-control liquid discharge structure for air floatation separation device comprises a liquid discharge channel (1), a U-shaped exhaust channel (2) and an inlet pipe (3). The liquid discharge channel (1) has an upper end and a lower end. The U-shaped exhaust channel (2) has a first end (2-1) and a second end (2-2). The first end (2-1) and the second end (2-2) are both higher than the turning part of the U-shaped exhaust channel (2) and both higher than the lower end of the liquid discharge channel (1). The upper end of the liquid discharge channel (1), the first end (2-1) of the U-shaped exhaust channel (2) and the inlet pipe (3) are communicated. The water purification equipment has the air floatation separation device and the self-control liquid discharge structure for the air floatation separation device. The present application has the advantages of intelligence, strong stability, stability, durability, energy saving and environmental protection, low cost and good adaptability.

Description

Technical Field

[0001] This invention belongs to the field of air flotation separation, specifically relating to a self-controlled liquid discharge structure and water purification equipment used in air flotation separation devices. Background Technology

[0002] Air flotation separation technology has wide applications in various fields, including but not limited to: Wastewater treatment plants, industrial wastewater treatment, drinking water purification: used to purify suspended solids and turbidity in natural water sources and improve drinking water quality; mining wastewater treatment; textile industry; food processing industry: used to treat organic matter, oils and suspended particles in food processing wastewater; oil and gas industry; algae extraction; widely used in situations requiring solid-liquid separation, removal of suspended solids, extraction of organic molecules, extraction of microorganisms, extraction of mineral particles, or improvement of water quality.

[0003] During the use of air flotation separation technology, if the water level suddenly rises or the content of foaming substances in the water increases significantly, a large amount of high-humidity foam can be discharged, resulting in a sudden increase in the amount of sewage and potentially causing sewage overflow.

[0004] Prior technology: The applicant created a utility model patent with application number 2023221809010 entitled "Foam Collection Pipe, Sewage Purification Device, Aquatic Organism Aquaculture Device".

[0005] While prior art has solved the problem of bursting to some extent, the varying densities of the floats (FT) required for different situations lead to poor adaptability and require improvement. Summary of the Invention

[0006] To address the aforementioned problems, this invention provides a self-controlled liquid discharge structure for an air flotation separation device and a water purification device. The self-controlled liquid discharge structure used in the air flotation separation device is excellent in that it includes a liquid discharge channel (1), a U-shaped exhaust channel (2), and an inlet pipe (3). The drainage channel (1) has an upper end and a lower end; U-shaped exhaust channel (2), having a first end (2-1) and a second end (2-2); The first end (2-1) and the second end (2-2) are both higher than the bend of the U-shaped exhaust channel (2) and both are higher than the lower end of the drain channel (1); The upper end of the drain channel (1), the first end (2-1) of the U-shaped exhaust channel (2), and the inlet pipe (3) are connected.

[0007] Furthermore: the first end (2-1) and the second end (2-2) of the U-shaped exhaust channel (2) are at the same height.

[0008] Furthermore: the first end (2-1) of the U-shaped exhaust channel (2) is higher than the second end (2-2).

[0009] Furthermore: the first end (2-1) of the U-shaped exhaust channel (2) is lower than the second end (2-2).

[0010] Furthermore: the upper end of the drain channel (1), the first end (2-1) of the U-shaped exhaust channel (2), and the inlet pipe (3) are connected through the gas-liquid separation chamber (4).

[0011] Furthermore: The lower end of the U-shaped exhaust channel (2) has a one-way valve, with the one-way valve opening outwards.

[0012] Further: the U-shaped exhaust channel (2) is a bell-shaped U-shaped pipe.

[0013] Furthermore: the drainage channel (1) is a tubular structure with a circular, square or elliptical cross-section.

[0014] Furthermore: the first end (2-1) of the drainage channel (1), the second end (2-2) of the U-shaped exhaust channel (2), and the three are coaxial.

[0015] The water purification equipment has an air flotation separation device. Its advantages are: it has a self-controlled drainage structure for the air flotation separation device, and the inlet pipe (3) of the self-controlled drainage structure for the air flotation separation device is sealed to the air flotation foam collection pipe (B1). When the air flotation foam collection tube (B1) is completely blocked, the distance from the gas overflow point of the air flotation separator to the liquid surface is H2; The height difference between the upper and lower ends of the drainage channel (1) is greater than H2; The height difference between the first end (2-1) of the U-shaped exhaust channel (2) and the bend of the U-shaped exhaust channel (2) is greater than H2; The height difference between the second end (2-2) of the U-shaped exhaust channel (2) and the bend of the U-shaped exhaust channel (2) is greater than H2.

[0016] Working principle: The self-controlled drainage structure used in the air flotation separator is placed inside the separator container (W1). The first end (2-1) and the second end (2-2) of the U-shaped exhaust channel (2) are both lower than the overflow port of the separator container (W1). When the liquid level in the separation container (W1) is lower than the two ends of the U-shaped exhaust channel (2), the liquid discharged by the air flotation separator flows into the separation container (W1) through the drain channel (1), and the gas discharged by the air flotation separator is smoothly discharged through the U-shaped exhaust channel (2).

[0017] When the liquid level in the separator container (W1) is higher than the first end (2-1) or the second end (2-2) of the U-shaped venting channel (2), the liquid in the separator container enters the U-shaped venting channel (2), causing obstruction and generating pressure. This increases the internal pressure of the flotation foam collection tube (B1), reduces the discharge speed of the flotation separator, and may even cause gas in the flotation foam collection tube (B1) to overflow from below. This reduces or completely stops the explosive working state.

[0018] The lower end of the U-shaped exhaust channel (2) has a one-way valve. The one-way valve opens outward. When there is no liquid in the separator container (W1), the liquid in the U-shaped exhaust channel (2) is discharged into the separator container (W1) through the one-way valve and the normal ventilation state is automatically restored. Beneficial effects

[0019] This provides a new approach to "regulating the working state of the air flotation separator by utilizing the liquid level in the separator container (W1)".

[0020] A new approach is provided: “by using the liquid level of the separator container (W1) to switch the resistance of the U-shaped exhaust channel (2), the working state of the air flotation separator can be controlled to achieve the purpose of explosion prevention.”

[0021] With no moving parts, it is more durable, stable, and reliable. This design eliminates moving parts, reducing vulnerable components and improving equipment stability and durability. Simultaneously, the automated drainage process reduces potential errors and damage caused by human error.

[0022] Based on the automatic liquid level control of the separator container (W1), this scheme utilizes the liquid level in the separator container to automatically adjust the operating state of the air flotation separator, requiring no external power source or manual intervention. This automatic adjustment capability makes the equipment more intelligent and convenient.

[0023] The automatic control of the liquid level in the separator container (W1) ensures perfect control, whether there is a sudden increase in foaming substances in the water or a sudden rise in the water level.

[0024] There is no need to adjust accessory attributes according to usage needs, making it more adaptable than prior technology.

[0025] Because the drainage process is automatically regulated, operators do not need to frequently adjust the equipment, reducing labor costs and operational complexity, and improving work efficiency.

[0026] In summary, this invention has the advantages of being intelligent, highly stable, durable, energy-saving and environmentally friendly, low-cost, and highly adaptable.

[0027] Other: The drain channel (1) can be independent or share a structure with the separation container (W1); the U-shaped exhaust channel (2) can be independent or share a structure with the separation container (W1). Attached Figure Description

[0028] Figure 1 This is a schematic diagram of Example 1.

[0029] Figure 2 This is a schematic diagram of Example 2.

[0030] Figure 3 This is a schematic diagram of Example 3.

[0031] Figure 4 This is a schematic diagram of Example 4.

[0032] Figure 5 This is a schematic diagram of Example 5.

[0033] Figure 6 This is a schematic diagram of Example 6.

[0034] Figure 7 This is a schematic diagram of Example 7. Figure 8 This is a schematic diagram of Example 8. Example

[0035] Example 1, such as Figure 1 As shown, the self-controlled drainage structure used in the air flotation separation device is excellent in that it includes a drainage channel (1), a U-shaped exhaust channel (2), and an inlet pipe (3). The U-shaped exhaust channel (2) includes a first end (2-1) and a second end (2-2); The first end (2-1) and the second end (2-2) of the U-shaped exhaust channel (2) face upwards; The upper end of the drain channel (1), the first end (2-1) of the U-shaped exhaust channel (2), and the inlet pipe (3) are connected; The first end (2-1) of the U-shaped exhaust channel (2) is higher than the lower end of the drainage channel (1); The second end (2-2) of the U-shaped exhaust channel (2) is higher than the lower end of the drainage channel (1); The first end (2-1) of the U-shaped exhaust channel (2) is higher than the second end (2-2).

[0036] Example 2, as follows Figure 2 As shown, the self-controlled drainage structure used in the air flotation separation device differs from that in embodiment 1 in that: further, the first end (2-1) of the U-shaped exhaust channel (2) is lower than the second end (2-2).

[0037] Example 3, such as Figure 3As shown, the self-controlled liquid discharge structure used in the air flotation separation device differs from that in embodiment 1 in that the inlet pipe (3) is vertical.

[0038] Example 4, such as Figure 4 As shown, the self-controlled drainage structure used in the air flotation separation device differs from that in embodiment 3 in that: the upper end of the drainage channel (1), the first end (2-1) of the U-shaped exhaust channel (2), and the inlet pipe (3) are connected through the gas-liquid separation chamber (4). The gas-liquid separation chamber (4) is an expanded chamber. After the foam enters it, it expands and bursts, thus achieving gas-liquid separation.

[0039] Example 5, as follows Figure 5 As shown, the water purification equipment has an air flotation separation device. Its advantages are: it has the self-controlled drainage structure of the air flotation separation device in Example 3. The inlet pipe (3) of the self-controlled drainage structure of the air flotation separation device is sealed to the air flotation foam collection pipe (B1); the bubble source of the air flotation separation device is composed of an air pump (B) and a refiner (QT). W0 is a fish tank. In order to simplify and highlight the key points, other objects in the fish tank are not drawn, and the proportion of the fish in the fish tank air flotation separation device is changed; the lower end of the U-shaped exhaust channel (2) has a one-way valve, and the one-way valve opens outward; the height difference from the second end (2-2) of the U-shaped exhaust channel (2) to the bend of the U-shaped exhaust channel (2) is H1; when the air flotation foam collection pipe (B1) is completely blocked, the distance from the gas overflow position of the air flotation separation device to the liquid surface is H2; H1>H2; the height difference between the upper and lower ends of the drainage channel (1) is greater than H2.

[0040] Example 6, as Figure 6 As shown, the self-controlled drainage structure used in the air flotation separation device differs from that in Example 2 in that the U-shaped exhaust channel (2) is a bell-shaped U-shaped pipe.

[0041] Example 7, as follows Figure 7 As shown, the self-controlled drainage structure used in the air flotation separation device differs from that in Example 6 in that the first end (2-1) of the drainage channel (1), the second end (2-2) of the U-shaped exhaust channel (2), and the third end (2-2) of the U-shaped exhaust channel (2) are coaxial.

Claims

1. A self-controlled liquid discharge structure for an air flotation separation device, characterized in that: Includes a drainage channel (1) and a U-shaped venting channel (2). and inlet pipe (3); The drainage channel (1) has an upper end and a lower end; U-shaped exhaust channel (2), having a first end (2-1) and a second end (2-2); The first end (2-1) and the second end (2-2) are both higher than the bend of the U-shaped exhaust channel (2) and both are higher than the lower end of the drain channel (1); The upper end of the drain channel (1), the first end (2-1) of the U-shaped exhaust channel (2), and the inlet pipe (3) are connected; The self-controlled drainage structure for the air flotation separator is placed inside the separator container (W1), and the U-shaped exhaust channel (2) is... Both the first end (2-1) and the second end (2-2) are below the overflow port of the separator container (W1); When the liquid level in the separator container (W1) is lower than the two ends of the U-shaped exhaust channel (2), the liquid discharged by the flotation separator... The gas flows from the drain channel (1) into the separator container (W1), and the gas discharged from the air flotation separator is smoothly discharged through the U-shaped exhaust channel (2). When the liquid level in the separator container (W1) is higher than the first end (2-1) or the second end (2-2) of the U-shaped venting channel (2), The liquid in the separator container enters the U-shaped venting channel (2), causing obstruction and generating pressure.

2. The self-controlled liquid discharge structure for the air flotation separation device as described in claim 1, characterized in that: The first end (2-1) and the second end (2-2) of the U-shaped exhaust channel (2) are at the same height.

3. The self-controlled liquid discharge structure for the air flotation separation device as described in claim 1, characterized in that: The first end (2-1) of the U-shaped exhaust channel (2) is higher than the second end (2-2).

4. The self-controlled liquid discharge structure for the air flotation separation device as described in claim 1, characterized in that: The first end (2-1) of the U-shaped exhaust channel (2) is lower than the second end (2-2).

5. The self-controlled liquid discharge structure for the air flotation separation device as described in claim 1, characterized in that: The upper end of the drain channel (1), the first end (2-1) of the U-shaped exhaust channel (2), and the inlet pipe (3) are connected through the gas-liquid separation chamber (4).

6. The self-controlled liquid discharge structure for the air flotation separation device as described in claim 1, characterized in that: The lower end of the U-shaped exhaust channel (2) has a one-way valve, and the one-way valve opens outward.

7. The self-controlled liquid discharge structure for the air flotation separation device as described in claim 1, characterized in that: The U-shaped exhaust channel (2) is a bell-shaped U-shaped pipe.

8. The self-controlled liquid discharge structure for the air flotation separation device as described in claim 7, characterized in that: The first end (2-1) of the drainage channel (1), the second end (2-2) of the U-shaped exhaust channel (2), and the third end (2-2) of the U-shaped exhaust channel (2) are coaxial.

9. A water purification device, comprising an air flotation separation unit, characterized in that: The device has a self-controlled drainage structure for the air flotation separation device as described in any one of claims 1-8, wherein the inlet pipe (3) of the self-controlled drainage structure for the air flotation separation device is sealed to the air flotation foam collection pipe (B1). When the air flotation foam collection tube (B1) is completely blocked, the distance from the gas overflow point of the air flotation separator to the liquid surface is H2; The height difference between the upper and lower ends of the drainage channel (1) is greater than H2; The height difference between the first end (2-1) of the U-shaped exhaust channel (2) and the bend of the U-shaped exhaust channel (2) is greater than H2; The height difference between the second end (2-2) of the U-shaped exhaust channel (2) and the bend of the U-shaped exhaust channel (2) is greater than H2.

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