CN218145960U

CN218145960U - Coalescence deoiling device

Info

Publication number: CN218145960U
Application number: CN202222560042.3U
Authority: CN
Inventors: 虞波; 高来顺; 彭慧; 俞澄莹; 张学晔
Original assignee: Yangzhou Chenglu Environmental Engineering Co Ltd
Current assignee: Yangzhou Chenglu Environmental Engineering Co Ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2022-12-27
Anticipated expiration: 2032-09-27

Abstract

A coalescence deoiling device relates to an oily sewage treatment device, which comprises a horizontal tank body, wherein a water inlet rectification distributor, a coalescence module, a quick separation module and an oil discharge module are sequentially arranged on the tank body from one end to the other end; the water inlet rectification distributor comprises a vertical distribution pipe, the upper end of the distribution pipe extends out of the tank body and is connected with a water inlet, the outer wall of the extending part of the distribution pipe is hermetically connected with the tank body, and a plurality of windows are arranged on the distribution pipe; the coalescence module comprises a coalescence framework and coalescence filler in the coalescence framework, and the coalescence framework is connected with the inner wall of the tank body; the rapid separation module adopts a metal pore plate corrugated packing; the bottom of the tank body is connected with an emptying sewage outlet and a water outlet, the tank body is provided with an oil drain outlet, and the tank body is also provided with a manhole and connected with a sealing door. The utility model discloses a mode is held back to physics, makes oil drip coalescence grow up, according to stokes buoyancy lift principle, realizes quick buoyancy lift to oil drip, and the full flow need not to add the medicament, saves the cost.

Description

Coalescence deoiling device

Technical Field

The utility model relates to an oily sewage treatment device.

Background

The hydrocyclone is usually adopted in the oily sewage treatment process, the water treated by the hydrocyclone enters filter equipment or rotational flow air flotation equipment, the single treatment capacity of the filter equipment is small (the diameter is phi 3600, and the normal single treatment capacity is 150-200m ³ H), the occupied area is large; rotational flow air flotation adopts a micro rotational flow and air flotation structure, needs a large amount of high-cost flotation agents to be matched, and has very high operation cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects of the prior art and providing a coalescence deoiling device with large treatment capacity and cost saving.

The purpose of the utility model is realized like this: a coalescence deoiling device comprises a horizontal tank body, wherein a water inlet rectification distributor, a coalescence module, a quick separation module and an oil discharge module are sequentially arranged on the tank body from one end to the other end; the water inlet rectifying distributor comprises a vertical distribution pipe, the upper end of the distribution pipe extends out of the tank body and is connected with the water inlet, the outer wall of the extending part of the distribution pipe is hermetically connected with the tank body, and a plurality of windows are arranged on the distribution pipe; the coalescence module comprises a coalescence framework and coalescence filler in the coalescence framework, and the coalescence framework is connected with the inner wall of the tank body; the rapid separation module adopts corrugated packing of a metal pore plate; the bottom of the tank body is connected with an emptying sewage outlet and a water outlet, the tank body is provided with an oil drain outlet, and the tank body is also provided with a manhole and connected with a sealing door.

Preferably, the oil discharge module comprises an overflow plate, a weir plate and a screw lifting mechanism; the overflow plate is vertically connected in the tank body, the upper end of the overflow plate is spaced from the top of the tank body, one side of the overflow plate is a separation chamber, the other side of the overflow plate is an oil chamber, the water outlet is communicated with the separation chamber, and the oil outlet is communicated with the oil chamber and connected to the bottom of the tank body; the screw lifting mechanism is connected to the outer wall of the top of the tank body, a screw of the screw lifting mechanism extends into the tank body and is connected with the weir plate, and the weir plate is arranged at the upper end of the overflow plate; still connect the degasification module in the jar body, the degasification module is packed including degasification skeleton and the degasification in the skeleton of degasification, and the top in the jar body is connected to the skeleton of degasification, connects the gas absorption and exhaust mouth on the jar body of degasification module department.

Preferably, the oil discharge module comprises at least one oil collecting pocket, the oil collecting pocket is connected to the top outside the tank body, and the oil discharge port is connected to the top of the oil collecting pocket.

Preferably, the plurality of windows are each arranged on the side of the distribution pipe facing away from the coalescing module.

The beneficial effects of the utility model are that: the method adopts a physical interception mode to enable oil drops to coalesce and grow up, realizes quick floating of the oil drops according to the Stokes floating principle, does not need to add a medicament in the whole process, saves the cost, is usually used for the rear section of the hydrocyclone and is used for replacing a cyclone air flotation device.

Drawings

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

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

Fig. 3 is a second schematic structural diagram of the present invention.

Detailed Description

Example 1

As shown in fig. 1 and fig. 2, a first coalescing oil removing apparatus includes a horizontal tank 18, and a water inlet rectification distributor 2, a coalescing module 3, a rapid separation module 4, a degassing module 7, and an overflow plate 14 are sequentially disposed on the tank 18 from the left end to the right end.

The water inlet rectification distributor 2 comprises a vertical distribution pipe 201, the upper end of the distribution pipe 201 extends out of the tank body 18 and is connected with the water inlet 1, the outer wall of the extending part of the distribution pipe 201 is connected with the tank body 18 in a sealing mode, a plurality of windows 202 are arranged on the distribution pipe 201 in the tank body 18, and the windows 202 are all arranged on one side, back to the coalescence module 3, of the distribution pipe 201. Oily sewage enters the distribution pipe 201 from the water inlet 1 and is discharged from the plurality of windows 202, so that homogeneous distribution is realized.

The coalescing module 3 comprises a coalescing framework 301 and coalescing filler 302, the coalescing framework 301 is connected with the inner wall of the tank 18, and the coalescing filler 302 is connected in the coalescing framework 301. The coalescence module 3 is woven by winding double wires or compositely weaving double wires, a physical interception coalescence mode is adopted, effective demulsification and coalescence enlargement of emulsified oil drops below 15-20 mu m can be realized, and the stainless steel wires and the PTFE wires are made of materials and are corrosion-resistant and high-temperature-resistant.

The rapid separation module 4 adopts a corrugated packing of a metal pore plate, so that the oil drops after being coalesced and enlarged can be further intercepted and coalesced, and the purpose of rapidly floating and separating to the surface of the liquid level is realized.

The degassing module 7 comprises a degassing framework 701 and a degassing filler 702, wherein the degassing framework 701 is connected to the top in the tank body 18, the degassing filler 702 is connected in the degassing framework 701, and a suction and exhaust port 8 is connected to the tank body 18 at the degassing module 7. And carrying out deep removal and gas purification on tiny liquid drops carried in the gas.

The overflow plate 14 is vertically connected in the tank body 18, a distance is reserved between the upper end of the overflow plate 14 and the top of the tank body 18, the left side of the overflow plate 14 is a separation chamber 16, and the right side of the overflow plate 14 is an oil chamber 11. The outer wall of the top of the tank body 18 is connected with a screw lifting mechanism 9, a screw 901 of the screw lifting mechanism 9 extends into the tank body 18 and is connected with a weir plate 10, and the weir plate 10 is arranged at the upper end of the overflow plate 14. The hand wheel of the screw lifting mechanism 9 is rotated to drive the screw 901 to move up and down, so that the height of the weir plate 10 is adjusted, and the weir plate 10 is tightly attached to the upper end of the overflow plate 14, namely the integral height of the overflow plate 14 and the weir plate 10 is adjusted, so that continuous oil collection or intermittent oil collection at different liquid levels is realized.

Two manholes 5 are arranged on the tank body 18 and are respectively connected with sealing doors 6. The bottom of the tank body 18 positioned below the inflow rectification distributor 2 is connected with a first emptying sewage drain 20, the bottom of the tank body 18 positioned between the coalescence module 3 and the quick separation module 4 is connected with a second emptying sewage drain 19, the bottom of the tank body 18 positioned between the quick separation module 4 and the overflow plate 14 is connected with a third emptying sewage drain 17 and a water outlet 15, the water outlet 15 is communicated with the separation chamber 16, one end of the water outlet 15 positioned in the tank body 18 is connected with a vortex breaking device 21, the vortex breaking device 21 can reduce disturbance to the liquid level, the vortex breaking device 21 is also called a vortex breaker, and the technology is mature. The bottom of the tank body positioned on the right side of the overflow plate 14 is connected with a fourth emptying sewage outlet 13 and an oil outlet 12, and the oil outlet 12 is communicated with an oil chamber 11.

The working principle is as follows: oily sewage enters the distribution pipe 201 from the water inlet 1 and is discharged from the plurality of windows 202, so that homogeneous distribution is realized; the emulsified oil drops with the diameter of 15-20 mu m can be effectively demulsified, coalesced and enlarged by physical entrapment and coalescence of the coalescence module 3; the coalesced and enlarged oil drops are further intercepted and coalesced by the rapid separation module 4 so as to realize the purpose of rapidly floating and separating to the surface of the liquid level; then enters an oil chamber after passing through an overflow plate 14, finally discharges oil through an oil discharge port 12, and a degassing module 7 deeply removes micro liquid drops carried in the gas and purifies the gas. The structure is suitable for non-full tank operation, and the single unit processing capacity can reach 1300m ³ /h。

Example 2

As shown in fig. 3, a second coalescent oil removing device includes a horizontal tank 18, and a water inlet rectification distributor 2, a coalescent module 3, a quick separation module 4, and two oil collecting pockets 22 are sequentially disposed on the tank 18 from the left end to the right end.

The rectification distributor 2 of intaking includes vertical distribution pipe 201, and the upper end of distribution pipe 201 is stretched out jar body 18 and is connected water inlet 1, and the outer wall that the distribution pipe 201 stretched out the department and jar 18 sealing connection of body set up a plurality of windows 202 on distribution pipe 201, and a plurality of windows 202 all set up in one side of distribution pipe 201 coalescence module 3 dorsad.

The coalescing module 3 includes a coalescing skeleton 301 and coalescing filler 302 within the coalescing skeleton 301, the coalescing skeleton 301 being connected to an inner wall of the tank 18. The coalescence module 3 is woven by winding double wires or compositely weaving double wires, and can effectively break and coalesce and enlarge emulsified oil drops with the diameter of 15-20 mu m by adopting a physical interception coalescence mode.

The oil collecting bag 22 is connected to the top outside the tank 18, and the oil discharge port 12 is connected to the top of the oil collecting bag 22.

Manholes 5 are arranged at the left end and the right end of the tank body 18, and each manhole 5 is connected with a sealing door 6. The bottom of the tank body 18 positioned below the water inlet rectification distributor 2 is connected with a first emptying sewage drain outlet 20, the bottom of the tank body 18 positioned between the coalescence module 3 and the quick separation module 4 is connected with a second emptying sewage drain outlet 19, the bottom of the tank body 18 positioned on the right side of the quick separation module 4 is connected with a third emptying sewage drain outlet 17 and a water outlet 15, one end of the water outlet 15 positioned in the tank body 18 is connected with a vortex breaking device 21, and the vortex breaking device 21 can reduce disturbance to the liquid level.

The working principle is as follows: the device needs full tank band pressure operation, and oily sewage gets into distribution pipe 201 from water inlet 1, discharges from a plurality of windows 202, and the coalescence is held back through coalescence module 3 physics, and the oil that passes through after the quick separation module 4 to the coalescence grow drops and further intercepts the coalescence, and tank body 18 top is provided with receipts oil package 22, and oil is light water heavy, and the oil slick gathering is in receiving oil package 22, from oil drain port 12 discharge. The periodic discharge of the effluent may be effected by the vortex breaker 21 to reduce disturbance of the liquid level.

Claims

1. The utility model provides a coalescence deoiling device which characterized by: the device comprises a horizontal tank body, wherein a water inlet rectification distributor, a coalescence module, a quick separation module and an oil discharge module are sequentially arranged on the tank body from one end to the other end; the water inlet rectification distributor comprises a vertical distribution pipe, the upper end of the distribution pipe extends out of the tank body and is connected with a water inlet, the outer wall of the extending part of the distribution pipe is hermetically connected with the tank body, and a plurality of windows are arranged on the distribution pipe; the coalescence module comprises a coalescence framework and coalescence filler in the coalescence framework, and the coalescence framework is connected with the inner wall of the tank body; the rapid separation module adopts corrugated packing of a metal pore plate; the bottom of the tank body is connected with an emptying sewage outlet and a water outlet, the tank body is provided with an oil drain outlet, and the tank body is also provided with a manhole and connected with a sealing door.

2. The coalescing oil removal device according to claim 1, wherein: the oil discharge module comprises an overflow plate, a weir plate and a screw lifting mechanism; the overflow plate is vertically connected in the tank body, the upper end of the overflow plate is spaced from the top of the tank body, one side of the overflow plate is a separation chamber, the other side of the overflow plate is an oil chamber, the water outlet is communicated with the separation chamber, and the oil outlet is communicated with the oil chamber and connected to the bottom of the tank body; the screw lifting mechanism is connected to the outer wall of the top of the tank body, a screw of the screw lifting mechanism extends into the tank body and is connected with the weir plate, and the weir plate is arranged at the upper end of the overflow plate; still connect the degasification module in the jar body, the degasification module is packed including degasification skeleton and the degasification in the skeleton of degasification, and the top in the jar body is connected to the skeleton of degasification, connects the gas absorption and exhaust mouth on the jar body of degasification module department.

3. The coalescing oil removal device according to claim 1, wherein: the oil discharge module comprises at least one oil collecting bag, the oil collecting bag is connected to the top outside the tank body, and the oil discharge port is connected to the top of the oil collecting bag.

4. The coalescing oil removal device according to claim 1, wherein: the plurality of windows are all arranged on one side of the distribution pipe, which faces away from the coalescence module.