CN217220272U

CN217220272U - Compressed air back flushing device

Info

Publication number: CN217220272U
Application number: CN202220929660.8U
Authority: CN
Inventors: 孙荣林; 韩轶楠; 韦卫东; 俞聪儒
Original assignee: Zhejiang Huanxing Machinery Co ltd
Current assignee: Zhejiang Huanxing Machinery Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-08-19
Anticipated expiration: 2032-04-21

Abstract

The utility model relates to a compressed air backwashing device, which comprises an adsorption tower, wherein the side surface of a centrum at the bottom of the adsorption tower is provided with a liquid inlet, the upper part of the centrum is provided with a plurality of liquid outlets, and a plurality of screen pipe filtering devices are arranged at the liquid outlets; the liquid outlet is connected with a three-way pipeline, the upper end of the three-way pipeline is communicated with a compressed air pipe, an air valve is arranged on the compressed air pipe, the compressed air pipe is connected with an air storage tank, and the air storage tank is connected with an air compressor; the lower end of the three-way pipeline is communicated with a liquid outlet pipe, a liquid outlet valve is mounted on the liquid outlet pipe, the liquid outlet pipe is connected with a liquid outlet main pipe, and the liquid outlet main pipe is communicated with a liquid outlet storage tank; compared with the prior art, the sieve tube has the characteristics of simple structure, ingenious design, good operation stability, improvement on production efficiency and long service life, and solves the problem that the sieve tube is easy to block.

Description

Compressed air back flushing device

Technical Field

The utility model belongs to the technical field of water purification equipment, concretely relates to compressed air back flush device.

Background

The existing activated carbon adsorption tower comprises: a tower body: the interior of the cylinder is fixedly connected with a cylinder body; water inlet end: is fixedly arranged at one end of the tower body; drainage end: the other end of the tower body is fixedly arranged; the cylinder is hollow, activated carbon is placed in the cylinder, a through hole is formed in the cylinder, a baffle is fixedly connected to the upper end of the cylinder, the direction of wastewater is reverse, the wastewater enters from the bottom and is discharged from the upper part; the utility model discloses in, waste water process the end of intaking enters into inside the tower body, under the effect of baffle, advance to go up under water.

From the disclosure, the cylinder which is easy to accumulate suspended matters and needs to be purified is hollow and is provided with through holes, the filtering efficiency of the through holes is reduced along with the increase of the using time, and the through holes on the cylinder need to be cleaned. Whether the through hole is cleaned or replaced, the activated carbon adsorption tower needs to be shut down, the barrel is disassembled and cleaned and then installed, or the barrel is disassembled and then directly replaced with a new barrel; whether removed for cleaning or replaced, the shutdown process reduces production efficiency and requires labor and resources.

In view of the above technical problems, it is desirable to improve the same.

SUMMERY OF THE UTILITY MODEL

The utility model provides an overcome the defect among the above-mentioned prior art, provide a simple structure, design benefit can guarantee that the adsorption tower goes out smooth and easy compressed air back flush unit of liquid.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the compressed air backwashing device comprises an adsorption tower, wherein the side surface of a conical body at the bottom of the adsorption tower is provided with a liquid inlet, the upper part of the adsorption tower is provided with a plurality of liquid outlets, and a sieve tube filtering device is arranged at each of the plurality of liquid outlets; the liquid outlet is connected with a three-way pipeline, the upper end of the three-way pipeline is communicated with a compressed air pipe, an air valve is arranged on the compressed air pipe, the compressed air pipe is connected with an air storage tank, and the air storage tank is connected with an air compressor; the lower end of the three-way pipeline is communicated with a liquid outlet pipe, a liquid outlet valve is mounted on the liquid outlet pipe, the liquid outlet pipe is connected with a liquid outlet main pipe, and the liquid outlet main pipe is communicated with a liquid outlet storage tank.

As a preferred scheme of the utility model, the sieve tube filter equipment is including the sieve tube that is used for the separation active carbon.

As an optimized proposal of the utility model, the liquid outlet pipe is provided with an observation sight glass for observing the liquid outlet state in real time.

As an optimized scheme of the utility model, a plurality of liquid outlets are annular evenly distributed on the adsorption tower.

As an optimized scheme of the utility model, adsorption tower upper portion is formed with the overflow mouth, and the one end of overflow pipe is connected to the overflow mouth, and the other end intercommunication of overflow pipe goes out the liquid house steward.

As an optimal scheme of the utility model, be provided with the pressure transmitter who is used for detecting the overflow condition near the overflow mouth play on the adsorption tower.

As an optimized proposal of the utility model, the overflow port is positioned at the upper end of the liquid outlet.

The utility model has the advantages that:

the utility model provides a compressed air back flush unit compares with prior art, has simple structure, design benefit, operating stability is good, improve production efficiency and long service life's characteristics, has solved the easy problem of blockking up of screen pipe.

Drawings

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

Reference numbers in the figures: the device comprises an air compressor 1, an air storage tank 2, an adsorption tower 3, an overflow pipe 5, a sieve pipe 6, a liquid outlet main pipe 7, a liquid outlet storage tank 8, an overflow port 9, a compressed air pipe 11, a three-way pipeline 12, a liquid outlet pipe 13, a liquid outlet 14, a liquid inlet 15, an air valve 16, a liquid outlet valve 17 and an observation mirror 18.

Detailed Description

The following describes embodiments of the present invention in detail with reference to the accompanying drawings.

Example (b):

as shown in fig. 1, the compressed air back-flushing device is a device for flushing the liquid outlet of the adsorption tower of the pulsating bed, so as to ensure the smooth liquid outlet; the pulse bed adsorption tower adopts a liquid inlet and outlet mode of bottom inlet and top outlet, and the compressed air backwashing device comprises an adsorption tower 3, wherein the side surface of a cone at the bottom of the adsorption tower 3 is provided with a liquid inlet 15, the upper part of the cone is provided with a plurality of liquid outlets 14, and the plurality of liquid outlets 14 are uniformly distributed on the adsorption tower 3 in an annular mode; sieve tube filtering devices are arranged at the positions of the liquid outlets 14; specifically, the screen pipe filtering device comprises a screen pipe 6 for blocking active carbon; the sieve tube is used for separating the active carbon, and the filtering effect of the adsorption tower 3 is improved; the utility model provides a compressed air back flush unit compares with prior art, has simple structure, design benefit, operating stability is good, improve production efficiency and long service life's characteristics, has solved the easy problem of blockking up of screen pipe.

Specifically, the liquid outlet 14 is connected with a three-way pipeline 12, the upper end of the three-way pipeline 12 is communicated with a compressed air pipe 11, an air valve 16 is installed on the compressed air pipe 11, the compressed air pipe 11 is connected with an air storage tank 2, and the air storage tank 2 is connected with an air compressor 1; the lower end of the three-way pipeline 12 is communicated with a liquid outlet pipe 13, a liquid outlet valve 17 is arranged on the liquid outlet pipe 13, the liquid outlet pipe 13 is connected with a liquid outlet main pipe 7, and the liquid outlet main pipe 7 is communicated with a liquid outlet storage tank 8.

Specifically, the liquid outlet pipe 13 is provided with an observation sight glass 18 for observing the liquid outlet state in real time; the observation sight glass 18 can master the liquid outlet condition at any time, and the use safety of the device is ensured.

Adsorption tower 3 upper portion is formed with overflow mouth 9, and overflow mouth 9 connects the one end of overflow pipe 5, and the other end intercommunication of overflow pipe 5 goes out liquid house steward 7, is close to overflow mouth 9 play on adsorption tower 3 and is provided with the pressure transmitter who is used for detecting the overflow condition, and through setting up overflow pipe 5 and insert liquid house steward 7, prevent overflow and go out the adsorption tower, wherein, overflow mouth 9 is located 14 upper ends of liquid outlet.

The working principle of the embodiment is as follows: in the process of rising of the waste liquid, impurities such as powder activated carbon, floccules and the like are mixed with the waste liquid, the impurities are accumulated at the position of the screen pipe 6 for discharging the liquid, and along with the increase of the accumulation amount, the equivalent of an effective outlet of the screen pipe 6 is reduced, so that the liquid discharging is not smooth; when the sieve tube 6 is seriously blocked, the liquid outlet 4 can not meet the liquid outlet amount, the liquid level in the adsorption tower 3 rises along with the liquid level, when the liquid level is higher than the pressure transmitter, the numerical value changes, and at the moment, the sieve tube 6 needs to be backwashed. When back washing is needed, the liquid outlet valve 17 at the lower part is closed, the compressed air valve 16 at the upper part is opened, compressed air is blown into the sieve tube 6, the air compressor 1 is opened, impurities attached to the gap of the sieve tube 6 are blown into the activated carbon layer through the compressed air, the activated carbon layer has a certain filtering effect and retains the impurities, and the impurities gradually descend along with the outflow of the activated carbon at the bottom of the pulsating bed, and then the impurities flow out of the system. The device can effectively solve the problem of screen pipe blockage and is simple to operate.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the reference numerals in the figures are used more here: the terms of the air compressor 1, the air storage tank 2, the adsorption tower 3, the overflow pipe 5, the sieve pipe 6, the liquid outlet header pipe 7, the liquid outlet storage tank 8, the overflow port 9, the compressed air pipe 11, the three-way pipe 12, the liquid outlet pipe 13, the liquid outlet 14, the liquid inlet 15, the air valve 16, the liquid outlet valve 17, the observation sight glass 18 and the like do not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. Compressed air back flush device, its characterized in that: comprises an adsorption tower (3), wherein a liquid inlet (15) is arranged on the side surface of a cone at the bottom of the adsorption tower (3), a plurality of liquid outlets (14) are arranged at the upper part of the adsorption tower, and sieve tube filtering devices are arranged at the positions of the plurality of liquid outlets (14); the liquid outlet (14) is connected with a three-way pipeline (12), the upper end of the three-way pipeline (12) is communicated with a compressed air pipe (11), an air valve (16) is installed on the compressed air pipe (11), the compressed air pipe (11) is connected with an air storage tank (2), and the air storage tank (2) is connected with an air compressor (1); the lower end of the three-way pipeline (12) is communicated with a liquid outlet pipe (13), a liquid outlet valve (17) is installed on the liquid outlet pipe (13), the liquid outlet pipe (13) is connected with a liquid outlet main pipe (7), and the liquid outlet main pipe (7) is communicated with a liquid outlet storage tank (8).

2. The compressed air backwash device as defined in claim 1, wherein: the screen pipe filtering device comprises a screen pipe (6) used for blocking activated carbon.

3. The compressed air backwash device as defined in claim 1, wherein: the liquid outlet pipe (13) is provided with an observation sight glass (18) for observing the liquid outlet state in real time.

4. The compressed air backwash device as defined in claim 1, wherein: the liquid outlets (14) are uniformly distributed on the adsorption tower (3) in an annular shape.

5. The compressed air backwashing apparatus according to claim 1 or 4, wherein: an overflow port (9) is formed in the upper portion of the adsorption tower (3), the overflow port (9) is connected with one end of the overflow pipe (5), and the other end of the overflow pipe (5) is communicated with the liquid outlet main pipe (7).

6. The compressed air backwash device as defined in claim 5, wherein: and a pressure transmitter for detecting the overflow condition is arranged on the adsorption tower (3) close to the overflow port (9).

7. The compressed air backwash device as defined in claim 6, wherein: the overflow port (9) is positioned at the upper end of the liquid outlet (14).