Air-water independent distribution filter brick

Abstract

The utility model discloses a gas-water independent distribution filter brick, which relates to the technical field of filter bricks and comprises a filter brick main body, a first side plate and a second side plate are arranged in the filter brick main body, and a gas-water mixing area I and a gas-water mixing area II are formed between the first side plate and the filter brick main body and between the second side plate and the filter brick main body; according to the utility model, through the independent gas distribution area and water distribution area, mutual interference of water and gas in the same space is avoided, instability of a gas-water interface and formation of water wall blocking are avoided, and the gas can smoothly pass through; the problem of non-uniform gas distribution caused by inconsistent mounting precision and resistance and unstable gas-water interface in the long distance of the original filter brick main body is solved; the problems that when the gas inlet branch pipe is close to one end of the filter brick, the gas flowing out of the gas inlet branch pipe encounters the end head to generate violent gas reflux, the violent fluctuation of a gas-water interface is caused, a water wall for isolating a gas channel is formed, and the gas flow at the other end is insufficient are solved; the use stability of the filter brick is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of filter bricks, in particular to a gas-water independent distribution filter brick. Background Art

[0002] In water treatment projects, filter tanks are an important type of water treatment process, and there are many types, such as denitrification deep bed filters, V-type filters, aerated biological filters, etc.

[0003] In addition to normal filtered water, the most critical process of the filter is the flushing process, which is related to the normal treatment effect and backwashing cycle of the filter. There are many ways to backwash, and the most common one is the combined air-water backwashing. One of the main components of the filter using this method is the water and air distribution system. The water distribution system can evenly collect the filtered water, and the water and air distribution systems can evenly distribute the backwashing water and air. It is also required to be easy to install and maintain, not easy to clog, and durable.

[0004] There are still some problems in the application of existing hollow plastic filter bricks. The original filter bricks have problems with uneven gas distribution due to inconsistent installation accuracy and resistance over long distances, and unstable air-water interface; when the air intake branch pipe is close to one end, the gas coming out of the air intake branch pipe will encounter a violent gas backflow at the end, causing violent fluctuations in the air-water interface, forming a water wall that isolates the gas channel, and causing insufficient gas volume at the other end. For this reason, we provide a filter brick with independent air-water distribution. Utility Model Content

[0005] The technical problems solved by the utility model are:

[0006] (1) There are still some problems in the application of existing hollow plastic filter bricks. The original filter bricks have problems such as inconsistent installation accuracy and resistance over long distances, unstable air-water interface, and uneven air distribution;

[0007] (2) When the air inlet branch pipe is located close to one end, the gas coming out of the air inlet branch pipe will encounter the end and there will be a violent gas backflow, causing a violent fluctuation in the gas-water interface, forming a water wall that isolates the gas channel, resulting in insufficient gas volume at the other end.

[0008] The utility model can be implemented by the following technical scheme: an air-water independent distribution filter brick, comprising a filter brick body, a first side plate and a second side plate are arranged in the filter brick body, an air-water mixing zone 1 and an air-water mixing zone 2 are formed between the first side plate and the second side plate and the filter brick body, and an air distribution zone and a water distribution zone are arranged in sequence from top to bottom between the first side plate and the second side plate;

[0009] A plurality of air distribution channels are arranged between the air-water mixing zone one, the air-water mixing zone two and the air distribution zone, a plurality of water distribution channels are arranged between the air-water mixing zone one, the air-water mixing zone two and the water distribution zone, a plurality of drainage channels are arranged on both sides of the bottom of the air distribution zone, and the plurality of drainage channels are respectively connected to the air-water mixing zone one and the air-water mixing zone two.

[0010] A further technical improvement of the utility model is that the air distribution area is arranged in a triangular column shape, the water distribution area is arranged in a trapezoidal table shape, the air distribution area is located on the upper bottom surface of the water distribution area, and an intermediate partition is provided between the air distribution area and the water distribution area.

[0011] A further technical improvement of the utility model is that the air-water mixing zone one and the air-water mixing zone two are arranged in an inverted right-angled triangle shape, and the acute angle edges of the air-water mixing zone one and the air-water mixing zone two cooperate with the two sides of the air distribution zone and the water distribution zone to form a rectangular structure.

[0012] A further technical improvement of the utility model is that a plurality of circular holes are arranged on the top surface of the filter brick body, and the plurality of circular holes are respectively connected with the first gas-water mixing zone and the second gas-water mixing zone.

[0013] A further technical improvement of the utility model is that a socket and a plug are respectively provided at the front and rear ends of the filter brick body.

[0014] A further technical improvement of the utility model is that an air intake branch pipe is sleeved on the middle partition, and the air intake branch pipe is vertically arranged, the bottom end of the air intake branch pipe passes through the bottom of the water distribution area, a sealing rubber gasket is provided between the air intake branch pipe and the middle partition, and a filter brick bottom opening is opened at the bottom of the filter brick body.

[0015] A further technical improvement of the utility model is that a plastic air inlet pipe is vertically provided on the top of the filter brick body, the plastic air inlet pipe is connected to the air distribution area, a hose is sleeved on the outer sleeve of the plastic air inlet pipe, an air inlet branch pipe is sleeved on the other end of the hose, and the plastic air inlet pipe and the hose, as well as the hose and the air inlet branch pipe, are all connected by clamps.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The filter brick has independent gas distribution area and water distribution area, which avoids the interference of water and gas in one space, avoids the instability of the gas-water interface and the formation of a water wall to block the gas, and causes the gas to pass smoothly; it not only solves the problem of uneven gas distribution caused by the instability of the gas-water interface due to the inconsistent installation accuracy and resistance of the original filter brick body over a long distance; it also solves the problem that when the air intake branch pipe is close to one end of the filter brick, the gas coming out of the air intake branch pipe will encounter the end and there will be violent gas backflow, causing violent fluctuations in the gas-water interface, forming a water wall that isolates the gas channel, and causing insufficient gas volume at the other end; it improves the stability of the filter brick when in use;

[0018] The gas distribution area is equipped with a gas distribution channel and a drainage channel. The gas distribution channel is used as the main gas distribution channel, and the drainage channel is used to drain the remaining water in the gas distribution area to avoid the formation of a water wall that blocks the passage of gas. When the remaining water in the gas distribution channel is drained through the drainage channel, the drainage channel also serves as an auxiliary channel for gas distribution, thereby adjusting the different flow rates of gas and liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0020] Figure 1 It is a cross-sectional structural schematic diagram of the utility model;

[0021] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0022] Figure 3 This is a schematic diagram of the bottom air intake structure of the utility model;

[0023] Figure 4 It is a schematic diagram of the top air intake structure of the utility model.

[0024] In the figure: 1. filter brick body; 2. first side plate; 3. second side plate; 4. middle partition; 5. round hole; 6. air distribution channel; 7. drainage channel; 8. water distribution channel; 9. socket; 10. plug; 11. opening at the bottom of the filter brick; 12. sealing rubber gasket; 13. air inlet branch pipe; 14. clamp; 15. hose; 16. plastic air inlet pipe; 21. air distribution area; 22. water distribution area; 23. air-water mixing area one; 24. air-water mixing area two. DETAILED DESCRIPTION

[0025] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0026] See also Figure 1-Figure 2As shown, the utility model proposes a gas-water independent distribution filter brick; comprising a filter brick body 1, a first side plate 2 and a second side plate 3 are arranged in the filter brick body 1, a gas-water mixing area 1 23 and a gas-water mixing area 2 24 are formed between the first side plate 2 and the second side plate 3 and the filter brick body 1, and a gas distribution area 21 and a water distribution area 22 are arranged successively between the first side plate 2 and the second side plate 3; gas is introduced into the gas distribution area 21, and treated water is introduced into the water distribution area 22, and the treated water and gas are mixed in the gas-water mixing area 1 23 and the gas-water mixing area 2 24, and the independent gas distribution area 21 and the water distribution area 22 prevent water and gas from interfering with each other in a space at the same time, causing the gas-water interface to be unstable, forming a water wall to block, and causing the gas to pass smoothly;

[0027] A plurality of air distribution channels 6 are provided between the air-water mixing area 1 23, the air-water mixing area 2 24 and the air distribution area 21, a plurality of water distribution channels 8 are provided between the air-water mixing area 1 23, the air-water mixing area 2 24 and the water distribution area 22, a plurality of drainage channels 7 are provided on both sides of the bottom of the air distribution area 21, and the plurality of drainage channels 7 are respectively connected with the air-water mixing area 1 23, the air-water mixing area 2 24; the air distribution area 21 is provided with air distribution channels 6 and drainage channels 7, the air distribution channels 6 are used as the main air distribution, and the drainage channels 7 are used to empty the residual water in the air distribution area 21 to avoid the formation of a water wall to hinder the passage of gas. When the residual water in the air distribution channel 6 is discharged through the drainage channel 7, the drainage channel 7 also serves as an auxiliary channel for air distribution, thereby adjusting the different flow rates of gas and liquid.

[0028] The gas distribution area 21 is arranged in a triangular prism shape, and the water distribution area 22 is arranged in a trapezoidal table shape. The gas distribution area 21 is located on the upper bottom surface of the water distribution area 22, and an intermediate partition 4 is provided between the gas distribution area 21 and the water distribution area 22; the gas distribution area 21 is arranged in a triangular prism shape, so that the gas remains at the top and is distributed to the gas-water mixing area 1 23 and the gas-water mixing area 2 24, and the treated water can be discharged back to the gas-water mixing area 1 23 and the gas-water mixing area 2 24 as soon as possible through multiple drainage channels 7 provided on both sides of the bottom.

[0029] The air-water mixing zone 1 23 and the air-water mixing zone 2 24 are arranged in an inverted right triangle shape, and the acute angle edges of the air-water mixing zone 1 23 and the air-water mixing zone 2 24 cooperate with the two sides of the air distribution zone 21 and the water distribution zone 22 to form a rectangular structure; the rectangular structure formed between the air-water mixing zone 1 23, the air-water mixing zone 24, the air distribution zone 21 and the water distribution zone 22 can meet the installation requirements of the filter brick.

[0030] The top surface of the filter brick body 1 is provided with a plurality of circular holes 5, and the plurality of circular holes 5 are respectively connected with the gas-water mixing area 1 23 and the gas-water mixing area 2 24; the outside is connected with the gas-water mixing area 1 23 and the gas-water mixing area 2 24 through the circular holes 5, so that the mixed gas and water are evenly discharged to the outside;

[0031] The front and rear ends of the filter brick body 1 are respectively provided with a socket 9 and a plug 10; the two ends of the filter brick body 1 are respectively provided with a plug 10 and a socket 9, and multiple filter brick bodies 1 can be connected to each other through the plug 10 and the socket 9 to form a longer filter brick combination to meet the installation requirements of filter tanks of different sizes.

[0032] Among them, the filter bricks at the water collection tank are specially processed filter bricks. There are two processing methods for the filter bricks at the water collection tank. One is the bottom air intake method. Please refer to Figure 3 As shown, an air intake branch pipe 13 is sleeved on the middle partition 4, and the air intake branch pipe 13 is vertically arranged, the bottom end of the air intake branch pipe 13 passes through the bottom of the water distribution area 22, a sealing rubber gasket 12 is provided between the air intake branch pipe 13 and the middle partition 4, and a filter brick bottom opening 11 is provided at the bottom of the filter brick body 1; the filter brick bottom opening 11 is connected to the water collecting tank, the middle partition 4 has a hole, the air intake branch pipe 13 passes through the water distribution area 22 and the middle partition 4 and is inserted into the air distribution area 21, and a sealing rubber gasket 12 is provided between the middle partition 4 and the air intake branch pipe 13 to ensure that the air distribution area 21 and the water distribution area 22 are independent of each other and reduce the influence of the vibration of the air intake branch pipe 13 on the filter brick.

[0033] The other adopts the top air intake method, please refer to Figure 4 As shown, a plastic air inlet pipe 16 is vertically arranged on the top of the filter brick body 1, and the plastic air inlet pipe 16 is connected to the air distribution area 21. A hose 15 is arranged on the outer sleeve of the plastic air inlet pipe 16, and the other end of the hose 15 is sleeved with an air inlet branch pipe 13, and the plastic air inlet pipe 16 and the hose 15, and the hose 15 and the air inlet branch pipe 13 are all sleeved by a clamp 14; a plastic air inlet pipe 16 is connected to the top of the air distribution area 21, and the air distribution area 21 and the plastic air inlet pipe 16 are connected by hot melt, the middle partition 4 is not perforated, and the bottom opening 11 of the filter brick is connected to the water collection tank. The plastic air inlet pipe 16 and the air inlet branch pipe 13 are connected by the hose 15, and the hose 15 is respectively connected to the plastic air inlet pipe 16 and the air inlet branch pipe 13 by the clamp 14, so as to ensure that the violent shaking of the air inlet branch pipe 13 will not affect the stability of the plastic air inlet pipe 16, so that the backwashing gas can directly enter the air distribution area 21, avoiding the interference of water and gas in the same space at the same time.

[0034] When the utility model is in use, the filter bricks with independent distribution of gas and water pass through the independent gas distribution area 21 and water distribution area 22, so that the water gas interferes with each other in a space at the same time, and the gas-water interface is not unstable and a water wall is formed to block it, so that the gas can pass smoothly. It not only solves the problem of uneven gas distribution caused by the inconsistency of the installation precision and resistance of the original filter brick body 1 over a long distance and the instability of the gas-water interface; it also solves the problem that when the air intake branch pipe 13 is located close to one end, the gas coming out of the air intake branch pipe 13 encounters the end head and violent gas backflow occurs, causing violent fluctuations in the gas-water interface, forming a water wall that isolates the gas channel, and causing insufficient gas volume at the other end.

[0035] The gas distribution area 21 is provided with a gas distribution channel 6 and a drainage channel 7. The gas distribution channel 6 is used as the main gas distribution channel, and the drainage channel 7 is used to drain the remaining water in the gas distribution area 21 to avoid the formation of a water wall that blocks the passage of gas. When the remaining water in the gas distribution channel 6 is drained through the drainage channel 7, the drainage channel 7 also serves as an auxiliary channel for gas distribution, thereby adjusting the different flow rates of gas and liquid.

[0036] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A gas-water independent distribution filter brick, characterized in that: The filter brick body (1) comprises a first side plate (2) and a second side plate (3) provided inside the filter brick body (1); a gas-water mixing area (23) and a gas-water mixing area (24) are formed between the first side plate (2) and the second side plate (3) and the filter brick body (1); and a gas distribution area (21) and a water distribution area (22) are provided successively between the first side plate (2) and the second side plate (3); A plurality of air distribution channels (6) are provided between the air-water mixing zone 1 (23), the air-water mixing zone 2 (24) and the air distribution zone (21); a plurality of water distribution channels (8) are provided between the air-water mixing zone 1 (23), the air-water mixing zone 2 (24) and the water distribution zone (22); a plurality of drainage channels (7) are provided on both sides of the bottom of the air distribution zone (21), and the plurality of drainage channels (7) are respectively connected to the air-water mixing zone 1 (23) and the air-water mixing zone 2 (24).

2. The gas-water independent distribution filter brick according to claim 1, characterized in that: The air distribution area (21) is arranged in a triangular prism shape, and the water distribution area (22) is arranged in a trapezoidal table shape. The air distribution area (21) is located on the upper bottom surface of the water distribution area (22), and an intermediate partition (4) is provided between the air distribution area (21) and the water distribution area (22).

3. The gas-water independent distribution filter brick according to claim 1, characterized in that: The gas-water mixing zone one (23) and the gas-water mixing zone two (24) are arranged in an inverted right triangle shape, and the acute angle edges of the gas-water mixing zone one (23) and the gas-water mixing zone two (24) cooperate with the two sides of the gas distribution zone (21) and the water distribution zone (22) to form a rectangular structure.

4. The gas-water independent distribution filter brick according to claim 1, characterized in that: The top surface of the filter brick body (1) is provided with a plurality of circular holes (5), and the plurality of circular holes (5) are respectively connected to the first gas-water mixing area (23) and the second gas-water mixing area (24).

5. The gas-water independent distribution filter brick according to claim 1, characterized in that: The front and rear ends of the filter brick body (1) are respectively provided with a socket (9) and a plug (10).

6. The gas-water independent distribution filter brick according to claim 2, characterized in that: An air intake branch pipe (13) is sleeved on the middle partition (4), and the air intake branch pipe (13) is arranged vertically. The bottom end of the air intake branch pipe (13) passes through the bottom of the water distribution area (22). A sealing rubber gasket (12) is provided between the air intake branch pipe (13) and the middle partition (4). A filter brick bottom opening (11) is provided at the bottom of the filter brick body (1).

7. The gas-water independent distribution filter brick according to claim 3, characterized in that: A plastic air inlet pipe (16) is vertically arranged on the top of the filter brick body (1), the plastic air inlet pipe (16) is in communication with the air distribution area (21), a hose (15) is sleeved on the outer surface of the plastic air inlet pipe (16), an air inlet branch pipe (13) is sleeved on the other end of the hose (15), and the plastic air inlet pipe (16) and the hose (15), as well as the hose (15) and the air inlet branch pipe (13) are sleeved via a clamp (14).

Images