CN213994944U

CN213994944U - Gravity type water-vapor mixing backwashing device

Info

Publication number: CN213994944U
Application number: CN202022643706.3U
Authority: CN
Inventors: 吴海; 李金涛
Original assignee: Shanghai Panda Machinery Group Co Ltd
Current assignee: Shanghai Panda Machinery Group Co Ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-08-20
Anticipated expiration: 2030-11-16

Abstract

The utility model relates to a gravity type steam mixes anti-washing unit, including lower clean water room, filter chamber, upper clean water room, sedimentation tank and steam mixing arrangement, the filter chamber is located the top of clean water room down, and upper clean water room is located the top of filter chamber, and the lower part packing of filter chamber has filter material and bottom and lower clean water room intercommunication, through the communicating pipe intercommunication between upper clean water room and the lower clean water room, and the overflow mouth of sedimentation tank passes through the upper portion cavity intercommunication of inlet tube with the filter chamber, is equipped with the water intaking valve on the inlet tube, and upper clean water room is equipped with the outlet pipe, and the outlet pipe is equipped with the outlet valve, and the upper portion cavity and the back flush drain pipe intercommunication of filter chamber just be equipped with the back flush valve on the back flush drain pipe, and steam mixing arrangement passes through air supply pipe and lower clean water room intercommunication. The utility model saves energy, has short back flushing time, small water consumption and good back flushing effect.

Description

Gravity type water-vapor mixing backwashing device

Technical Field

The utility model belongs to the technical field of water treatment, especially, relate to a gravity type steam mixes back washing unit.

Background

Along with the rapid development of the current industry and the increase of urban population, the domestic water and industrial water in rural and urban integrated areas are increased rapidly, the treatment of rainwater, river water, sewage and the like is particularly important, and a gravity type water-vapor mixed backwashing system is designed and developed to improve the operating efficiency of water treatment.

Disclosure of Invention

The utility model aims to solve the technical problem that a gravity type water and steam mixed backwashing device is provided, the energy is saved, the backwashing time is short, the water consumption is less, and the backwashing effect is good.

The technical proposal adopted by the utility model to solve the technical problems is to provide a gravity type water-vapor mixing backwashing device, which comprises a lower clear water chamber, a filter chamber, an upper clear water chamber, a sedimentation tank and a water-vapor mixing device, the filter chamber is positioned above the lower clear water chamber, the upper clear water chamber is positioned above the filter chamber, the lower part of the filter chamber is filled with filter materials and the bottom of the filter chamber is communicated with the lower clear water chamber, the upper clear water chamber and the lower clear water chamber are communicated through a communicating pipe, an overflow port of the sedimentation tank is communicated with the upper cavity of the filtering chamber through a water inlet pipe, the water inlet pipe is provided with a water inlet valve, the upper clear water chamber is provided with a water outlet pipe, the water outlet pipe is provided with a water outlet valve, the upper cavity of the filtering chamber is communicated with a back flush drain pipe, a back flush valve is arranged on the back flush drain pipe, and the water-steam mixing device is communicated with the lower clean water chamber through an air supply pipe.

And a lower partition plate is arranged between the lower clean water chamber and the filtering chamber, and the lower clean water chamber and the filtering chamber are communicated through a plurality of filtering caps arranged on the lower partition plate.

An upper clapboard is arranged between the upper clear water chamber and the filtering chamber.

An observation population is arranged on the filtering chamber corresponding to the upper cavity.

And a discharge port is arranged at the bottom or near the bottom of the filter chamber.

And a weir flow groove is arranged at the overflow port of the sedimentation tank close to the top.

The water inlet port of the back flushing drain pipe is arranged at the top of the filtering chamber or close to the top, and the water outlet port is lower than the bottom surface of the lower clean water chamber.

The water outlet pipe is positioned at the top of the upper clear water chamber or near the top.

Advantageous effects

The utility model discloses the water of storing in last clear water room when can utilizing water to handle is through the gas mixture that self-gravity action descends and steam mixing arrangement provides, realizes adopting the mode that steam mixes to carry out the back flush to the impurity in the filter material, has energy saving, back flush time spent short, back flush water consumption is few and the effectual characteristics of back flush.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

As shown in fig. 1, the gravity type water-vapor mixing backwashing device comprises a lower clean water chamber 1, a filter material 2, a filter chamber 3, an upper clean water chamber 4, a sedimentation tank 5, a water inlet valve 6, a water inlet pipe 7, a weir flow groove 8, a water-vapor mixing device 9, an exhaust pipe 10, a water outlet valve 11, a water outlet pipe 12, a gas supply pipe 13, a backwashing water discharge pipe 14, an observation port 15, a communicating pipe 16, a discharge port 17, a backwashing valve 18, an upper partition plate 19 and a lower partition plate 20.

A weir flow groove 8 is arranged near the top of the sedimentation tank 5, the weir flow groove 8 is communicated with a water inlet pipe 7, and a lower port 701 of the water inlet pipe 7 is arranged in the filtering chamber 3. A lower partition plate 20 is arranged between the filtering chamber 3 and the lower clear water chamber 1, an upper partition plate 19 is arranged between the filtering chamber 3 and the upper clear water chamber 4, and the lower clear water chamber 1 and the upper clear water chamber 4 are communicated through a communicating pipe 16.

The filtering chamber 3 is communicated with a back flush drain pipe 14, the water outlet port 1401 of the back flush drain pipe 14 is emptied downwards, and the water inlet port of the back flush drain pipe 14 is arranged at the top of the filtering chamber. The back washing water discharging pipe 14 is communicated with an exhaust pipe 10, the exhaust pipe 10 is communicated with a water-steam mixing device 9, the water-steam mixing device 9 is communicated with an air supply pipe 13, and the other end of the air supply pipe 13 is communicated with the lower clear water chamber 1.

The upper clean water tank 4 is communicated with a water outlet pipe 12, and the water outlet pipe 12 is positioned at the top of the upper clean water chamber 4. The lower part of the filter chamber 3 is filled with filter material 2, and the lower partition plate 20 is provided with a plurality of filter caps. An observation port 15 is arranged on the filtering chamber 3 corresponding to the upper cavity, and a discharge port 17 is arranged near the bottom.

The water inlet pipe 7 is provided with a water inlet valve 6, the back flush drain pipe 14 is provided with a back flush valve 18, and the water outlet pipe 12 is provided with a water outlet valve 11.

The plane of the lower port 701 of the water inlet pipe 7 is higher than the upper plane of the filter material 2, the plane of the water outlet port 1401 of the back flush drain pipe 14 is at the bottom of the lower clean water chamber 1, and the plane of the upper port of the water-vapor mixing device 9 is higher than the upper plane of the sedimentation tank 5.

The water production flow of the gravity type water-steam mixed backwashing device is supernatant liquid of a sedimentation tank → a weir flow groove → a water inlet pipe → the upper part of a filter chamber → a filter material → a lower clear water chamber → a communicating pipe → an upper clear water chamber → a water outlet pipe, wherein the water inlet valve and the water outlet valve are in an open state, and the backwashing valve is in a closed state; the back flushing process is that water in the upper clear water chamber → the communicating pipe → the lower clear water chamber → the filtering material → the upper part of the filtering chamber → the back flushing pipe, air → the water-vapor mixing device → the air inlet pipe → the lower clear water chamber → the filtering material → the upper part of the filtering chamber → the back flushing pipe, at this time, the water inlet valve and the water outlet valve are in a closed state, and the back flushing valve is in an open state. The backwashing water body uses gravity as a power source, adopts a water-vapor mixing mode to backwash the impurities in the filter material, has the characteristics of energy conservation, short backwashing time, small backwashing water consumption, good backwashing effect and the like, and is beneficial to wide popularization and use.

When the on-site use, the user selects suitable specification according to the demand of water treatment capacity the utility model discloses can.

Claims

1. The utility model provides a gravity type water-steam mixing backwashing device, includes clear water room (1) down, filter chamber (3), goes up clear water room (4), sedimentation tank (5) and water-steam mixing arrangement (9), its characterized in that: the filter chamber (3) is positioned above the lower clear water chamber (1), the upper clear water chamber (4) is positioned above the filter chamber (3), the lower part of the filter chamber (3) is filled with filter materials (2) and the bottom of the filter chamber is communicated with the lower clear water chamber (1), the upper clear water chamber (4) is communicated with the lower clear water chamber (1) through a communicating pipe (16), the overflow port of the sedimentation tank (5) is communicated with the upper cavity of the filtering chamber (3) through a water inlet pipe (7), a water inlet valve (6) is arranged on the water inlet pipe (7), a water outlet pipe (12) is arranged on the upper clear water chamber (4), the water outlet pipe (12) is provided with a water outlet valve (11), the upper cavity of the filtering chamber (3) is communicated with a back flush drain pipe (14), the back flush drain pipe (14) is provided with a back flush valve (18), the water-vapor mixing device (9) is communicated with the lower clear water chamber (1) through an air supply pipe (13).

2. The gravity type water-vapor mixing backwashing device of claim 1, wherein: a lower partition plate (20) is arranged between the lower clean water chamber (1) and the filtering chamber (3), and the lower clean water chamber (1) is communicated with the filtering chamber (3) through a plurality of filtering caps arranged on the lower partition plate (20).

3. The gravity type water-vapor mixing backwashing device of claim 1, wherein: an upper clapboard (19) is arranged between the upper clear water chamber (4) and the filter chamber (3).

4. The gravity type water-vapor mixing backwashing device of claim 1, wherein: an observation population (15) is arranged on the filtering chamber (3) corresponding to the upper cavity.

5. The gravity type water-vapor mixing backwashing device of claim 1, wherein: and a discharge port (17) is arranged at the bottom or near the bottom of the filter chamber (3).

6. The gravity type water-vapor mixing backwashing device of claim 1, wherein: and a weir flow groove (8) is arranged at the overflow port of the sedimentation tank (5) close to the top.

7. The gravity type water-vapor mixing backwashing device of claim 1, wherein: the water inlet port of the back flushing drain pipe (14) is arranged at the top or near the top of the filtering chamber (3), and the water outlet port (1401) is lower than the bottom surface of the lower clear water chamber (1).

8. The gravity type water-vapor mixing backwashing device of claim 1, wherein: the water outlet pipe (12) is positioned at the top or near the top of the upper clear water chamber (4).