CN214936220U

CN214936220U - Centrifugal defoaming equipment

Info

Publication number: CN214936220U
Application number: CN202120801737.9U
Authority: CN
Inventors: 贺恩云; 敖黎鑫; 夏江红; 罗志康
Original assignee: Southwest Ordnance Chongqing Environmental Protection Research Institute Co ltd
Current assignee: Southwest Ordnance Chongqing Environmental Protection Research Institute Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-11-30
Anticipated expiration: 2031-04-19

Abstract

The utility model provides a centrifugation defoaming equipment, include: the transition box is internally provided with a transition cavity, and a water inlet pipe and a water drain pipe are arranged on the transition box; the crushing box is internally provided with a crushing cavity, and a through hole for communicating the transition cavity with the crushing cavity is arranged between the transition box and the crushing box; the fan is arranged in the crushing cavity and used for forming negative pressure in the crushing cavity to enable the foam in the transition cavity to enter the crushing cavity from the through hole; the side wall of the crushing cavity is provided with a plurality of sharp bulges; and the stirring assembly is arranged in the crushing box and is used for fully contacting the foam in the crushing cavity with the sharp protrusions, so that the problems of complex structure and large energy consumption of defoaming equipment in the prior art are solved.

Description

Centrifugal defoaming equipment

Technical Field

The utility model relates to an environmental engineering technical field especially relates to a centrifugation defoaming equipment.

Background

Most industrial wastewater contains impurities such as surfactant, and more foams can be generated in the wastewater treatment process of a wastewater station, if the foams are not eliminated in time, more foams can overflow out of a treatment pool to pollute the land, or enter a municipal sewage pipe network along with the discharged water, and in the process of flowing through the municipal pipe network, the foams also have the risk of overflowing a sewage well. At present, a common defoaming method for a sewage station is to add a defoaming agent, but the defoaming agent is expensive and is disposable, so that the sewage treatment cost is greatly increased. Taking a sewage station which treats wastewater produced by automobile parts and has a treatment capacity of 15 ten thousand tons per year as an example, the using cost of the defoaming agent in one year is about 20 ten thousand, and the using cost of the defoaming agent accounts for half of the cost of all medicaments in the sewage station. Most of the existing defoaming equipment adopts spray defoaming, a pressure pump and the like are required to be arranged to generate water with pressure, and the structure is complex; or the foam is hit by adopting the reciprocating motion of the foaming device, and larger energy is consumed.

SUMMERY OF THE UTILITY MODEL

To the not enough that exists among the prior art, the utility model provides a centrifugation defoaming equipment, it has solved the defoaming equipment structure that exists among the prior art complicacy, the great problem of energy consumption.

According to the utility model discloses an embodiment, a centrifugation defoaming equipment includes: the transition box is internally provided with a transition cavity, and a water inlet pipe and a water drain pipe are arranged on the transition box; the crushing box is internally provided with a crushing cavity, and a through hole for communicating the transition cavity with the crushing cavity is arranged between the transition box and the crushing box; the fan is arranged in the crushing cavity and used for forming negative pressure in the crushing cavity to enable the foam in the transition cavity to enter the crushing cavity from the through hole; the side wall of the crushing cavity is provided with a plurality of sharp bulges; and the stirring assembly is arranged in the crushing box and is used for fully contacting the foam in the crushing cavity with the sharp protrusions.

Compared with the prior art, the utility model discloses following beneficial effect has: by designing the centrifugal defoaming equipment, the waste water is conveyed into the transition box from the water inlet pipe, the valve for opening and closing the waste water is arranged on the water discharge pipe, the top of the transition box is provided with an air vent, when the waste water in the transition cavity is accumulated to a certain degree, a valve on the drain pipe is opened, the flow rate of the drain pipe is the same as that of the water inlet pipe, the foam in the waste water is blocked on the liquid level of the liquid in the transition cavity, the fan in the crushing cavity is started to generate negative pressure in the crushing cavity, so that the foam in the transition cavity enters the crushing cavity from the through hole, then under the stirring centrifugal action of the stirring component in the crushing cavity, the foam is fully contacted with the sharp bulge in the crushing cavity, the foam is punctured in the contact process of the sharp bulge and the foam, thereby the foam that mixes in the waste water is got rid of in the realization, and this device simple structure can reduce the treatment cost to the foam that mixes in the waste water.

Drawings

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

Fig. 2 is an enlarged view of a portion a in fig. 1.

In the above drawings: 1. a water inlet pipe; 2. a transition box; 3. a transition chamber; 4. a drain pipe; 5. a through hole; 6. a valve; 7. a crushing box; 8. a return pipe; 9. a fan; 10. a motor; 11. an exhaust valve; 12. a stirring blade; 13. installing a shaft; 14. a hydraulic cylinder; 15. mounting a plate; 16. brushing; 17. a sharp projection; 18. a crushing chamber; 19. a guide plate; 20. inserting a rod; 21. mounting blocks; 22. mounting grooves; 23. a spring; 24. a limiting rod; 25. a chute; 26. a deflector rod; 27. and (7) a cover plate.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in fig. 1, the embodiment of the present invention provides a centrifugal defoaming device, including: the transition box 2, the transition chamber 3 is arranged in the transition box 2, and the transition box 2 is provided with a water inlet pipe 1 and a water outlet pipe 4; a crushing cavity 18 is formed inside the crushing box 7, a through hole 5 for communicating the transition cavity 3 with the crushing cavity 18 is formed between the transition box 2 and the crushing box 7, and the position of the through hole 5 is higher than that of the water inlet pipe 1 and the water outlet pipe 4; the fan 9 is arranged in the crushing cavity 18, and the fan 9 is used for generating negative pressure in the crushing cavity 18 so that the foam in the transition cavity 3 enters the crushing cavity 18 from the through hole 5; the side wall of the crushing cavity 18 is provided with a plurality of sharp protrusions 17; and the stirring assembly is arranged in the crushing box 7 and is used for enabling the foam in the crushing cavity 18 to be in full contact with the sharp protrusions 17.

Through designing the centrifugal defoaming device, wastewater is conveyed into the transition box 2 from the water inlet pipe 1, the valve 6 for opening and closing the transition box is arranged on the drain pipe 4, the vent is arranged at the top of the transition box 2, when the wastewater in the transition cavity 3 is accumulated to a certain degree, the valve 6 on the drain pipe 4 is opened, the flow rate of the drain pipe 4 is the same as that of the water inlet pipe 1 at the moment, foam in the wastewater is blocked on the liquid level of liquid in the transition cavity 3, the fan 9 in the crushing cavity 18 is started to generate negative pressure in the crushing cavity 18, so that the foam in the transition cavity 3 enters the crushing cavity 18 from the through hole 5, then under the stirring centrifugal action of the stirring assembly in the crushing cavity 18, the foam is fully contacted with the sharp bulge 17 in the crushing cavity 18, the foam is punctured in the contact process of the sharp bulge 17 and the foam, and the foam mixed in the wastewater is removed, the device has simple structure, can reduce the treatment cost of the foam mixed in the wastewater.

As shown in fig. 1, in order to facilitate the transportation of the waste liquid generated by the broken foam in the breaking chamber 18 to the transition chamber 3, a return pipe 8 for transporting the liquid in the breaking chamber 18 to the transition chamber 3 is further provided between the transition tank 2 and the breaking tank 7.

As shown in fig. 1, in order to facilitate the air circulation in the crushing chamber 18, an air outlet valve 11 is arranged at the top of the crushing box 7. The top of the crushing cavity 18 is also obliquely provided with a guide plate 19, the guide plate 19 is positioned between the exhaust valve 11 and the through hole 5, and the guide plate 19 has the advantages of preventing bubbles from directly contacting with the exhaust valve 11 and simultaneously facilitating the foam to be guided to the middle of the crushing cavity 18.

As shown in fig. 1, the stirring assembly includes: a mounting shaft 13 rotatably arranged at the top of the crushing chamber 18, and a motor 10 arranged at the top of the crushing box 7 for driving the mounting shaft 13 to rotate, wherein at least one stirring blade 12 is arranged on the side wall of the mounting shaft 13. The motor 10 drives the mounting shaft 13 to drive the stirring blade 12 on the mounting shaft 13 to rotate, and the stirring blade 12 stirs the foam to rotate around the axis of the mounting shaft 13 in the crushing cavity 18, so that centrifugal force is generated, the foam can fully contact with the sharp bulge 17 on the side wall of the crushing cavity 18, and the sharp bulge 17 can puncture the foam conveniently.

In order to facilitate cleaning of the sharp protrusions 17 on the side walls of the crushing chamber 18, a cleaning assembly is also provided on the side walls of the mounting shaft 13 for cleaning the sharp protrusions 17 on the side walls of the crushing chamber 18. The cleaning assembly comprises: the hydraulic cylinder 14 is horizontally arranged on the side wall of the mounting shaft 13, the mounting plate 15 is fixedly arranged on the output end of the hydraulic cylinder 14, and a plurality of bristles 16 are arranged on one side of the mounting plate 15 close to the inner wall of the crushing cavity 18.

The working principle of the cleaning assembly is as follows: when the sharp protrusions 17 on the side wall of the crushing cavity 18 need to be cleaned, the hydraulic cylinder 14 is started firstly to push the mounting plate 15 to approach towards the inner wall close to the crushing cavity 18, so that the bristles 16 on the mounting plate 15 are in contact with the sharp protrusions 17, and then the mounting shaft 13 is driven to rotate by the starting motor 10, so that the bristles 16 on the mounting plate 15 brush the sharp protrusions 17 on the inner wall of the crushing cavity 18.

As shown in fig. 1, the crushing chamber 18 further comprises a cover plate 27, in order to facilitate the maintenance of the parts in the crushing chamber 18, an access opening communicating the outside with the crushing chamber 7 is formed at the top of the crushing chamber 7, the cover plate 27 is used for closing the access opening, one end of the cover plate 27 is lapped at the top of the crushing chamber 7, and the other end of the cover plate 27 is detachably connected with the top of the crushing chamber 7 through a connecting assembly.

As shown in fig. 2, the connecting assembly includes: the crushing box comprises an inserting rod 20 arranged at the bottom of a cover plate 27 and a locking mechanism arranged on the side wall of the crushing box 7, wherein the top of the crushing box 7 is provided with a jack for the inserting rod 20 to insert, and the locking mechanism is used for locking the inserting rod 20 in the jack. The locking mechanism includes: installation piece 21, spring 23, gag lever post 24 and driving lever 26, installation piece 21 sets up on the lateral wall of broken case 7 fixedly, the lateral wall that installation piece 21 and broken case 7 hug closely is sunken to form mounting groove 22, the lateral wall of installation piece 21 still is provided with the spout 25 with mounting groove 22 intercommunication, one side that inserted bar 20 is close to installation piece 21 is provided with spacing hole, spring 23 sets up in mounting groove 22, gag lever post 24 also sets up in mounting groove 22 with sliding, gag lever post 24 passes broken case 7 and inserts in spacing hole under the elasticity of spring 23, driving lever 26 sets up in spout 25 with sliding, the one end and the gag lever post 24 fixed connection of driving lever 26, the other end of driving lever 26 stretches out spout 25.

The working principle of the connecting assembly is as follows: when the cover plate 27 at the top of the crushing box 7 needs to be detached, so that the access hole is opened, the driving rod 26 is firstly pushed to move towards the direction deviating from the crushing box 7 in the sliding groove 25, the driving rod 26 is enabled to push the limiting rod 24 out of the limiting hole in the inserting rod 20, the inserting rod 20 is no longer limited by the limiting rod 24 to move in the vertical direction at the moment, then the access hole can be opened by vertically pulling the cover plate 27, the detaching efficiency of the cover plate 27 can be improved through the mode, and the parts in the crushing cavity 18 can be conveniently and rapidly overhauled.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A centrifugal defoaming apparatus comprising:

the transition box (2), the transition chamber (3) is arranged in the transition box (2), and the transition box (2) is provided with a water inlet pipe (1) and a water outlet pipe (4);

the crushing box (7), a crushing cavity (18) is arranged in the crushing box (7), and a through hole (5) for communicating the transition cavity (3) with the crushing cavity (18) is arranged between the transition box (2) and the crushing box (7);

the fan (9), the fan (9) is arranged in the crushing cavity (18), and the fan (9) is used for forming negative pressure in the crushing cavity (18) to enable the foam in the transition cavity (3) to enter the crushing cavity (18) from the through hole (5);

the side wall of the crushing cavity (18) is provided with a plurality of sharp protrusions (17); and

the stirring assembly is arranged in the crushing box (7) and is used for enabling the foam in the crushing cavity (18) to be in full contact with the sharp protrusions (17).

2. A centrifugal defoaming apparatus in accordance with claim 1, characterized in that a return pipe (8) is arranged between the transition box (2) and the crushing box (7) for conveying the liquid in the crushing chamber (18) to the transition chamber (3).

3. A centrifugal defoaming apparatus in accordance with claim 1, characterized in that the through hole (5) is located higher than the water inlet pipe (1) and the water outlet pipe (4).

4. A centrifugal defoaming apparatus in accordance with claim 1, characterized in that the top of the crushing chamber (7) is provided with a vent valve (11), the top of the crushing chamber (18) is further provided with a guide plate (19) obliquely, and the guide plate (19) is located between the vent valve (11) and the through hole (5).

5. A centrifugal defoaming apparatus according to any one of claims 1-4 wherein said agitator assembly comprises: the crushing device comprises a mounting shaft (13) rotatably arranged at the top of a crushing cavity (18), and a motor (10) arranged at the top of a crushing box (7) and used for driving the mounting shaft (13) to rotate, wherein at least one stirring blade (12) is arranged on the side wall of the mounting shaft (13).

6. A centrifugal defoaming apparatus in accordance with claim 5 wherein the side wall of the mounting shaft (13) is further provided with a cleaning assembly for cleaning the sharp protrusions (17) on the side wall of the crushing chamber (18).

7. A centrifugal defoaming apparatus according to claim 6 wherein said cleaning assembly comprises: the crushing device comprises a hydraulic cylinder (14) and a mounting plate (15), wherein the hydraulic cylinder (14) is horizontally arranged on the side wall of a mounting shaft (13), the mounting plate (15) is fixedly arranged on the output end of the hydraulic cylinder (14), and a plurality of bristles (16) are arranged on one side, close to the inner wall of a crushing cavity (18), of the mounting plate (15).

8. A centrifugal defoaming apparatus in accordance with claim 7 further comprising a cover plate (27), wherein the top of the crushing box (7) forms an access opening communicating the outside with the crushing box (7), the cover plate (27) is used for closing the access opening, one end of the cover plate (27) is lapped on the top of the crushing box (7), and the other end of the cover plate (27) is detachably connected with the top of the crushing box (7) through a connecting assembly.

9. A centrifugal defoaming apparatus according to claim 8 wherein said coupling assembly comprises: the crushing box comprises an inserting rod (20) arranged at the bottom of a cover plate (27) and a locking mechanism arranged on the side wall of the crushing box (7), wherein a jack for the inserting rod (20) to insert is formed in the top of the crushing box (7), and the locking mechanism is used for locking the inserting rod (20) in the jack.

10. A centrifugal defoaming apparatus according to claim 9 wherein said locking mechanism comprises: the mounting block (21) is fixedly arranged on the side wall of the crushing box (7), the side wall of the mounting block (21) tightly attached to the crushing box (7) is sunken to form a mounting groove (22), the side wall of the mounting block (21) is also provided with a sliding groove (25) communicated with the mounting groove (22), one side of the inserted bar (20) close to the mounting block (21) is provided with a limiting hole, the spring (23) is arranged in the mounting groove (22), the limiting rod (24) is also arranged in the mounting groove (22) in a sliding manner, a limiting rod (24) penetrates through the crushing box (7) and is inserted into the limiting hole under the elastic force of a spring (23), a driving lever (26) is arranged in the sliding groove (25) in a sliding mode, one end of the driving lever (26) is fixedly connected with the limiting rod (24), and the other end of the driving lever (26) extends out of the sliding groove (25).