CN113117895A - High-efficient microbubble whirl flotation device - Google Patents

Abstract

The invention discloses a high-efficiency micro-bubble rotational flow flotation device in the technical field of air flotation, which comprises a container, a mixing cylinder, a water outlet groove and a conical seal head, wherein the mixing cylinder is fixedly connected to the upper side of an inner cavity of the container, the water outlet groove is fixedly connected to the left lower side of the inner side wall of the container, the conical seal head is integrally formed at the bottom of the container, a process water inlet is formed in the right lower side of the outer side wall of the mixing cylinder and the outer side wall of the container in a penetrating manner, an oil guide barrel is arranged in the middle of the bottom of the inner cavity of the mixing cylinder in a penetrating manner, a flow guide spiral belt is fixedly connected to the top of the oil guide barrel and fixedly connected to the upper side of the inner side wall of the container, a fine filtering device is fixedly connected to the bottom of the water outlet groove, a sand, multiple flotation, the handling capacity is big, and the play water index is high, has realized short flow, can arrange mud and wash, and is efficient.

Description

High-efficient microbubble whirl flotation device

Technical Field

The invention relates to the technical field of air flotation, in particular to a high-efficiency micro-bubble rotational flow flotation device.

Background

The micro-bubble system generates uniform, stable and supersaturated micro-bubble gas-dissolving water. The microbubble gas-dissolved water enters the mixing cylinder tangentially and is mixed with the entering process water to swirl and float, microbubbles and dispersed phase oil drops, suspended matters collide, contact, adhere and aggregate to form oil-gas polymers, and the oil-gas polymers float to the liquid surface to form floating slag and are separated from water along with the volume expansion of the microbubbles. Microbubble whirl air supporting advantage: the system has the advantages of high effluent index, large single treatment capacity, high treatment efficiency, stability, energy conservation, high automation degree, low investment, small occupied area, convenience in operation and management and the like, is widely applied to sewage treatment of offshore platforms and land oil and gas fields, and is successfully applied to water treatment in industries such as petrifaction, refining, coal chemical industry, steel, papermaking, municipal administration, mineral processing and the like, and in the treatment of sewage containing polymer oil.

The existing microbubble cyclone flotation tank is small in application range, small in single treatment capacity, high in investment cost and large in occupied area, and therefore a brand-new high-efficiency microbubble cyclone flotation device which is wide in application field, multiple in air flotation and large in treatment capacity and is more suitable for discharging and recycling of production sewage in the oil field and refining industry at present is provided.

Disclosure of Invention

The invention aims to provide a high-efficiency microbubble cyclone flotation device to solve the problems that the existing microbubble flotation tank is small in application range, small in single-unit treatment capacity, high in investment cost, large in occupied area and the like when flotation separation is carried out in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high-efficient microbubble whirl flotation device, includes container, mixing drum, goes out basin and toper head, mixing drum fixed connection be in the inner chamber upside of container, it is in to go out basin fixed connection the inside wall left side downside of container, toper head integrated into one piece is in the bottom of container, the lateral wall right side downside of mixing drum with the lateral wall of container runs through there is the process water entry, it leads the oil drum to run through in the middle of the inner chamber bottom of mixing drum, lead the top fixedly connected with water conservancy diversion spiral area of oil drum, just water conservancy diversion spiral area fixed connection be in the inside wall upside of container, the bottom fixedly connected with essence filter equipment of going out the basin, go out the inside weir plate of the inner chamber left side fixedly connected with of basin, fixedly connected with sand washing device in the middle of the inner chamber of toper head.

Preferably, the lateral wall left and right sides fixedly connected with landing leg of container, the lateral wall upside of container is pegged graft and is had big bubble entry, the lateral wall upper right side of container is pegged graft and is had the gas outlet, the lateral wall upper left side of container is pegged graft and is had the gas entry.

Preferably, the lower end of the oil guide barrel is fixedly connected with a first oil outlet through a flange plate, the lower side of the outer side wall of the mixing barrel and the middle of the outer side wall of the container are penetrated with a gas-dissolved water inlet.

Preferably, a second oil outlet penetrates through the lower side of the outer side wall of the container, the right end of the second oil outlet extends to the upper side of the inner cavity of the water outlet groove, a backflow water outlet penetrates through the lower side of the outer side wall of the container, a process water outlet penetrates through the lower side of the outer side wall of the container, the process water outlet is located at the lower side of the backflow water outlet, the backflow water outlet is located at the lower side of the second oil outlet, and the backflow water outlet and the process water outlet both extend to the position between the inner weir plate and the inner cavity of the water outlet groove.

Preferably, the right end of the sand washing device is spliced with a sand washing port, the sand washing port penetrates through the middle of the right side wall of the inner cavity of the conical seal head and extends to the outer side of the inner cavity, and the bottom of the conical seal head is fixedly connected with a sewage draining outlet.

Compared with the prior art, the invention has the beneficial effects that: the high-efficiency micro-bubble cyclone flotation device has the advantages that micro-bubble dissolved air water enters the mixing cylinder tangentially and is mixed with entering process water to float upwards, micro-bubbles collide with dispersed phase oil drops, are adhered and gathered to form oil-gas polymers, the micro-bubbles support the oil drops to float upwards to a flow guide spiral belt and are led out from an oil guide barrel, suspended matters and small parts of unseparated oil drops and silt in the process water overflowing the mixing cylinder enter the separation area and are further separated, the separated water enters the water outlet tank through the fine filtering device and turns over a weir plate, qualified return water and process water are discharged out of the container from a return water outlet and a process water outlet respectively, a second oil outlet at the upper end inside the water outlet tank periodically discharges floating oil accumulated inside the water outlet tank, silt and dregs settled in the separation area are discharged through multiple sand washing by the sand washing device, the flotation index is large, the effluent water outlet index is high, and a short, can discharge mud and wash, and is efficient.

Drawings

FIG. 1 is a schematic sectional front view of the present invention;

FIG. 2 is a schematic top sectional view of the present invention.

In the figure: 100. a container; 110. a support leg; 120. a large bubble inlet; 130. a gas outlet; 140. a gas inlet; 200. a mixing drum; 210. a process water inlet; 220. a flow-guiding spiral band; 230. an oil guide barrel; 231. a first oil outlet; 240. a dissolved gas water inlet; 300. a water outlet groove; 310. a fine filtration device; 311. an internal weir plate; 320. a second oil outlet; 330. a return water outlet; 340. a process water outlet; 400. a conical end enclosure; 410. a sand washing device; 420. a sand washing port; 430. a sewage draining outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a high-efficiency microbubble cyclone flotation device which has good flotation effect and high efficiency, please refer to fig. 1-2, and comprises a container 100, a mixing cylinder 200, a water outlet tank 300 and a conical end enclosure 400;

referring again to fig. 1-2, the container 100 is used to fixedly connect the mixing cylinder 200, the water outlet tank 300 and the conical sealing head 400;

referring to fig. 1-2 again, the mixing cylinder 200 is fixedly connected to the upper side of the inner cavity of the container 100, the process water inlet 210 penetrates through the right lower side of the outer side wall of the mixing cylinder 200 and the outer side wall of the container 100, the oil guide barrel 230 penetrates through the middle of the bottom of the inner cavity of the mixing cylinder 200, the top of the oil guide barrel 230 is fixedly connected with the flow guide spiral belt 220, the flow guide spiral belt 220 is fixedly connected to the upper side of the inner side wall of the container 100, the mixing cylinder 200 is used for mixing the process water and the gas-dissolved water, the process water inlet 210 is used for guiding the process water, and the flow guide spiral belt 220 is used for bringing the floating;

referring to fig. 1-2 again, the water outlet tank 300 is fixedly connected to the left lower side of the inner side wall of the container 100, the bottom of the water outlet tank 300 is fixedly connected to the fine filtering device 310, the left side of the inner cavity of the water outlet tank 300 is fixedly connected to the internal weir plate 311, and the water outlet tank 300 is used for guiding out the process water, the oil and the return water;

referring to fig. 1-2 again, the conical sealing head 400 is integrally formed at the bottom of the container 100, the middle of the inner cavity of the conical sealing head 400 is fixedly connected with the sand washing device 410, the conical sealing head 400 is used for connecting and fixing the sand washing device 410, and the sand washing device 410 is used for washing sediment deposited in the conical sealing head 400.

Referring to fig. 1-2 again, in order to support and introduce gas into the container 100, the left and right sides of the outer sidewall of the container 100 are fixedly connected with the legs 110, the left upper side of the outer sidewall of the container 100 is inserted with the large bubble inlet 120, the right upper side of the outer sidewall of the container 100 is inserted with the gas outlet 130, and the upper side of the outer sidewall of the container 100 is inserted with the gas inlet 140.

Referring to fig. 1-2 again, in order to facilitate the discharge of oil and the introduction of the gas-dissolved water into the container 100, the lower end of the oil guide barrel 230 is fixedly connected to a first oil outlet 231, the left lower side of the outer sidewall of the mixing barrel 200 and the middle of the outer sidewall of the container 100 through which a gas-dissolved water inlet 240 passes.

Referring to fig. 1-2 again, in order to facilitate discharging of the backflow water, the process water and the oil, the second oil outlet 320 penetrates through the lower side of the outer side wall of the container 100, the right end of the second oil outlet 320 extends to the upper side of the inner cavity of the water outlet tank 300, the backflow water outlet 330 penetrates through the lower side of the outer side wall of the container 100, the process water outlet 340 is located at the lower side of the backflow water outlet 330, the backflow water outlet 330 is located at the lower side of the second oil outlet 320, and both the backflow water outlet 330 and the process water outlet 340 extend between the internal weir plate 311 and the inner cavity of the water.

Referring to fig. 1-2 again, in order to facilitate the discharge of the silt and sewage, a sand washing port 420 is inserted into the right end of the sand washing device 410, the sand washing port 420 penetrates through the middle of the right side wall of the inner cavity of the conical seal head 400 and extends to the outer side of the inner cavity, and a sewage outlet 430 is fixedly connected to the bottom of the conical seal head 400.

When the technical personnel in the field operate, the process water and the gas-dissolved water are respectively tangential to the mixing cylinder 200 from the process water inlet 210 and the gas-dissolved water inlet 240, the process water and the gas-dissolved water are fully mixed at the bottom of the mixing cylinder 200, micro bubbles generated by the gas-dissolved water drag oil drops to float upwards for separation, the separated water turns out of the mixing cylinder 200, the separated oil enters the oil guide barrel 230 through the flow guide spiral belt 220 and is discharged from the first oil outlet 231, the process water turning out of the mixing cylinder 200 is continuously separated in the separation zone and is filtered by the fine filtering device 310 and enters the water outlet tank 300 for separation, the accumulated floating oil on the upper layer is periodically led out from the second oil outlet 320, the qualified return water and the process water are respectively led out from the return water outlet 330 and the process water outlet 340, silt at the bottom 400 of the container is washed by the sand washing device 410 and is discharged from the sewage outlet 430, and the flow is.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (5)

1. The utility model provides a high-efficient microbubble whirl flotation device which characterized in that: comprises a container (100), a mixing drum (200), a water outlet groove (300) and a conical seal head (400), wherein the mixing drum (200) is fixedly connected to the upper side of the inner cavity of the container (100), the water outlet groove (300) is fixedly connected to the left lower side of the inner side wall of the container (100), the conical seal head (400) is integrally formed at the bottom of the container (100), a process water inlet (210) is penetrated through the right lower side of the outer side wall of the mixing drum (200) and the outer side wall of the container (100), a water guide barrel (230) is penetrated through the middle of the bottom of the inner cavity of the mixing drum (200), a flow guide spiral belt (220) is fixedly connected to the top of the water guide barrel (230), the flow guide spiral belt (220) is fixedly connected to the upper side of the inner side wall of the container (100), a fine filtering device (310) is fixedly connected to the bottom of the water outlet groove (300), an inner weir plate (311) is fixedly, the middle of the inner cavity of the conical sealing head (400) is fixedly connected with a sand washing device (410).

2. The high-efficiency micro-bubble cyclone flotation device according to claim 1, wherein: the lateral wall left and right sides fixedly connected with landing leg (110) of container (100), the lateral wall upside of container (100) is pegged graft and is had big bubble entry (120), the lateral wall upper right side of container (100) is pegged graft and is had gas outlet (130), the lateral wall upper left side of container (100) is pegged graft and is had gas inlet (140).

3. The high-efficiency micro-bubble cyclone flotation device according to claim 1, wherein: the lower extreme of oil guide bucket (230) passes through flange dish fixedly connected with first oil-out (231), the lateral wall downside of mixing drum (200) with it has gas-dissolved water inlet (240) to run through in the middle of container (100) lateral wall.

4. The high-efficiency micro-bubble cyclone flotation device according to claim 1, wherein: a second oil outlet (320) penetrates through the lower side of the outer side wall of the container (100), the right end of the second oil outlet (320) extends to the upper side of the inner cavity of the water outlet groove (300), a backflow water outlet (330) penetrates through the lower side of the outer side wall of the container (100), a process water outlet (340) penetrates through the lower side of the left side of the outer side wall of the container (100), the process water outlet (340) is located at the lower side of the backflow water outlet (330), the backflow water outlet (330) is located at the lower side of the second oil outlet (320), and the backflow water outlet (330) and the process water outlet (340) both extend to the position between the inner weir plate (311) and the inner cavity of the water outlet groove (300).

5. The high-efficiency micro-bubble cyclone flotation device according to claim 1, wherein: the right end of the sand washing device (410) is spliced with a sand washing port (420), the sand washing port (420) penetrates through the middle of the right side wall of the inner cavity of the conical sealing head (400) and extends to the outer side of the inner cavity, and the bottom of the conical sealing head (400) is fixedly connected with a sewage draining outlet (430).

Images