Gas-water separation device of backwashing filter tank

Abstract

The gas-water separation device comprises a main pipe body, and the middle part of the side wall of the main pipe body is also communicated with a gas inlet pipe; a partition plate is welded in the main pipe body and further communicated with the air inlet pipe through a fan-shaped connecting plate. A passage in the main pipe body is divided into a water flow channel and an air flow channel through a partition plate, and the air flow channel ventilates into the main pipe body through an air inlet pipe. According to the device, the gas inlet pipe is directly introduced into the pipe body to complete the transformation of the backwashing filter tank; and the device can shorten the upgrading and reconstruction construction period of the filter tank and reduce the leakage risk of the filter tank body.

Description

TECHNICAL FIELD

[0001] The utility model relates to water treatment technical field especially relates to a backwash filter gas water separation device. BACKGROUND

[0002] The design size of the water distribution and gas distribution channel and the arrangement space size of various process pipelines of the newly built filter are mostly configured to meet the process requirements first, so that the arrangement of the filter backwash water pipe and the backwash gas pipe is generally arranged and installed on the upper layer of one end of the water distribution and gas distribution channel or on both ends of the water distribution and gas distribution channel. During the pouring of the filter, the upper wall sleeve and the water stop ring are pre-buried. However, the old filter is difficult to have such conditions. If the installation and arrangement of the process pipeline of the newly built filter are used for reference to transform the old filter, it is obvious that the space and the installation position cannot meet the installation and arrangement requirements of the process pipeline, and the original filter body will be damaged, thereby causing the leakage risk of the filter body.

[0003] Therefore, it is urgent to design a backwash filter gas water separation device to solve the leakage risk of the old filter body. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a backwash filter gas water separation device to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following scheme: the utility model provides a backwash filter gas water separation device, which comprises:

[0006] A main pipe body, a gas inlet pipe is further communicated in the middle part of the sidewall of the main pipe body; a partition plate is welded in the main pipe body, and the partition plate is further communicated with the gas inlet pipe through a fan-shaped connecting plate;

[0007] The internal passage of the main pipe body is divided into a water flow channel and an air flow channel by the partition plate, and the air flow channel is ventilated to the main pipe body through the gas inlet pipe.

[0008] Flanges are installed at both ends of the main pipe body.

[0009] An included angle of 133-137 degrees is formed between the partition plate and the fan-shaped connecting plate.

[0010] The length of the partition plate is the same as the length of the main pipe body, and the ratio of the pipe diameter of the main pipe body to the length of the main pipe body is 1:1.5.

[0011] Half of the length of the partition plate is welded to the inner wall of the main pipe body.

[0012] The cross-sectional ratio of the water flow channel and the air flow channel is 5:9.

[0013] The utility model discloses the following technical effects: the device is directly into the air inlet pipe in the pipe body and completes the reconstruction of backwash filter tank, and the device can shorten the filter tank upgrading reconstruction construction period, and reduce the filter tank body leakage risk. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is the cross section structure schematic diagram of the utility model;

[0017] Wherein, 1, main pipe body;2, air inlet pipe;3, baffle;4, fan-shaped connecting plate. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiment of the utility model will be clearly and completely described below in combination with the drawings in the embodiment of the utility model, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the utility model.

[0019] In order to make the above purpose, features and advantages of the utility model more obvious and easy to understand, the utility model will be further described in detail in combination with the drawings and specific embodiment.

[0020] The utility model provides a kind of backwash filter tank gas-water separation device, comprising:

[0021] Main pipe body 1, main pipe body 1 side wall middle part is also communicated with air inlet pipe 2;Main pipe body 1 is welded with baffle 3, and baffle 3 is also communicated with air inlet pipe 2 by fan-shaped connecting plate 4;

[0022] The passage in main pipe body 1 is divided into water flow channel and airflow channel by baffle 3, and airflow channel is ventilated to main pipe body 1 by air inlet pipe 2.

[0023] Flange is installed at both ends of main pipe body 1.

[0024] The included angle between baffle 3 and fan-shaped connecting plate 4 is 133-137 degrees.

[0025] The length of the partition plate 3 is the same as the length of the main pipe body 1, and the ratio of the pipe diameter of the main pipe body 1 to the length of the main pipe body 1 is 1:1.5.

[0026] Half of the length of the partition plate 3 is welded to the inner wall of the main pipe body 1.

[0027] The cross-sectional ratio of the water flow channel to the gas flow channel is 5:9.

[0028] In an embodiment of the utility model, the main pipe body 1 is full-welded with national standard flanges at both ends, and a communication hole is formed in the middle of the main pipe body 1.

[0029] In an embodiment of the utility model, the main pipe body 1 is a circular short pipe, and the ratio of the pipe diameter of the gas inlet pipe 2 to the pipe diameter of the main pipe body 1 is 3:7.

[0030] In an embodiment of the utility model, the existing conventional filter tank needs to flush the filter material after a period of operation to clean the filter material and restore the sewage interception capacity of the filter material.

[0031] Further, the reconstructed filter tank is basically an old filter tank, and the operation life is relatively long.

[0032] The utility model is to solve the conflict of the water distribution pipe, the gas distribution pipe and the control valve in space and position in the process of reconstructing the air-water backwashing filter tank.

[0033] The utility model additionally increases the air pipe on the pipe body, so as to reconstruct the air-water backwashing filter tank.

[0034] In an embodiment of the utility model, half of the partition plate 3 extends into the main pipe body 1 and is full-welded, and the other half of the partition plate 3 extends out of the main pipe body 1.

[0035] In an embodiment of the utility model, the fan-shaped connecting plate 4 is made of steel plate, so as to prevent the gas flow channel from leaking into the water flow channel.

[0036] In the description of the utility model, need understanding is, the term "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and so on indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawing, just for the convenience of describing the utility model, and it is not indicated or implied that the indicated device or element must have a particular orientation, a particular orientation and operation, so it can not be understood as a limitation on the utility model.

[0037] The above-described embodiments are merely preferred modes of the utility model, and do not limit the scope of the utility model, and various modifications and improvements to the technical solutions of the utility model made by those skilled in the art without departing from the design spirit of the utility model shall fall within the protection scope defined by the claims of the utility model.

Claims

1. A backwash filter gas-water separation device, characterized by, The utility model relates to a kind of water and air separation device, including: Main pipe body (1), the middle part of the side wall of the main pipe body (1) is further communicated with air inlet pipe (2);The baffle (3) is welded in the main pipe body (1), and the baffle (3) is further communicated with air inlet pipe (2) by sector connecting plate (4); The passage in the main pipe body (1) is divided into water flow channel and air flow channel by the baffle (3), and the air flow channel is ventilated into the main pipe body (1) by the air inlet pipe (2).

2. A backwash filter air-water separation device according to claim 1, characterized in that: The flange is installed at both ends of the main pipe body (1).

3. A backwash filter air-water separation device according to claim 1, wherein: The included angle between the baffle (3) and sector connecting plate (4) is 133-137 degrees.

4. A backwash filter air-water separation device according to claim 1, wherein: The length of the baffle (3) is same with the length of the main pipe body (1), and the ratio of the pipe diameter of the main pipe body (1) and the length of the main pipe body (1) is 1:1.

5.

5. A backwash filter air-water separation device according to claim 1, wherein: Half of the length of the baffle (3) is welded to the inner wall of the main pipe body (1).

6. A backwash filter air-water separation device according to claim 1, wherein: The cross-sectional ratio of the water flow channel and air flow channel is 5:9.

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