CN211284258U

CN211284258U - Online chromatographic dehydration device for oil products

Info

Publication number: CN211284258U
Application number: CN202020032967.9U
Authority: CN
Inventors: 王长俊; 刘文亮; 刘雪莹; 王子义
Original assignee: LANZHOU KEHAI PETROCHEMICAL EQUIPMENT CO Ltd
Current assignee: LANZHOU KEHAI PETROCHEMICAL EQUIPMENT CO Ltd
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-08-18
Anticipated expiration: 2030-01-08

Abstract

The utility model discloses an online chromatogram dewatering device of oil, including drain sump, (mixing) shaft and agitator motor, the inside bottom installation of drain sump is fixed with the electrolysis stick, the inside center department of drain sump is provided with the (mixing) shaft, the outside of drain sump is extended to on the top of (mixing) shaft, the welding of drain sump top center department has the mount. The utility model discloses in, this oil online chromatogram dewatering device, adopt two sections dehydration methods, add the demulsifier in earlier to the dehydration jar through the liquid feeding cover, make the hydrophilic ability of the interface membrane of newly-formed be greater than hydrophobic ability, crude oil membrane becomes fragile like this, be favorable to the mergence between the water droplet, then carry out the electrolytic dehydration through the electrolysis stick, under the electric field effect, the interface membrane that leans on the effect of electricity with crude oil water particle destroys or weakens, force water particle to merge, accomplish water oil separating, such two sections dehydration methods, compare in the method of traditional distillation dewatering, high efficiency, reduce the loss of electric energy, and the cost is saved.

Description

Online chromatographic dehydration device for oil products

Technical Field

The utility model relates to an oil dehydration technical field especially relates to an oil online chromatogram dewatering device.

Background

The dehydration of crude oil refers to a process of removing water contained in crude oil in a free state or an emulsion state by a physical or chemical method to make the water content meet a predetermined standard. The method comprises settling dehydration, thermochemical settling dehydration, electrochemical combined dehydration and the like, and the dehydration method is determined by tests and technical-economic comparison according to the properties, the water content, the emulsification degree and the like of crude oil.

At present, the existing oil online chromatographic dehydration device generally adopts a distillation method to remove water, the water removal efficiency is lower, and the cost is higher due to the adoption of electric heating, so that the requirements of users cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an oil online chromatographic dehydration device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an oil product online chromatographic dehydration device comprises a dehydration tank, a stirring shaft and a stirring motor;

an electrolytic rod is fixedly installed at the bottom inside the dehydration tank, a stirring shaft is arranged at the center inside the dehydration tank, the top end of the stirring shaft extends to the outer side of the dehydration tank, a fixed frame is welded at the center of the top of the dehydration tank, a stirring motor is fixed on the fixed frame through bolts, and the stirring motor is rotatably connected with the stirring shaft;

the stirring shaft is provided with a plurality of stirring rods in staggered welding, the stirring shaft and the stirring rods are of an internal hollow structure, the stirring shaft is communicated and welded with the stirring rods, a liquid adding cover is welded and fixed on the outer side of the dewatering tank on the stirring shaft, and a liquid inlet hole is formed in the dewatering tank on the stirring shaft.

Preferably, the welding of dehydration jar exterior wall bottom has the landing leg, the landing leg is provided with threely altogether, and three landing leg is the annular distribution, and the interval between two adjacent landing legs equals to the welding has the crossbeam between two adjacent landing legs.

Preferably, a control panel is embedded on the front surface of the dewatering tank, and a display screen and a control key are embedded on the control panel.

Preferably, the center of the bottom of the dewatering tank is connected with a liquid outlet pipe, and a control valve is arranged on the liquid outlet pipe.

Preferably, the outer side of the fixed frame on the outer surface wall of the top of the dewatering tank is in conduction connection with a liquid inlet pipe, and the liquid inlet pipe is also provided with a control valve.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, this oil online chromatogram dewatering device, adopt two sections dehydration methods, add the demulsifier in earlier to the dehydration jar through the liquid feeding cover, make the hydrophilic ability of the interface membrane of newly-formed be greater than hydrophobic ability, crude oil membrane becomes fragile like this, be favorable to the mergence between the water droplet, then carry out the electrolytic dehydration through the electrolysis stick, under the electric field effect, the interface membrane that leans on the effect of electricity with crude oil water particle destroys or weakens, force water particle to merge, accomplish water oil separating, such two sections dehydration methods, compare in the method of traditional distillation dewatering, high efficiency, reduce the loss of electric energy, and the cost is saved.

2. The utility model discloses in, this oil on-line chromatogram dewatering device, liquid feeding cover set up on the (mixing) shaft, add the (mixing) shaft with the demulsifier through liquid feeding cover and inlet in, discharge through the play liquid hole on the puddler of connecting on the (mixing) shaft, the stirring of cooperation (mixing) shaft and puddler mixes, and the effectual homogeneity that has improved the oil in the dewatering tank and demulsifier mix has improved dehydration efficiency.

Drawings

FIG. 1 is a schematic view of the internal structure of an oil product on-line chromatographic dehydration device provided by the present invention;

FIG. 2 is a schematic structural view of the surface of an oil product on-line chromatographic dehydration device provided by the present invention;

FIG. 3 is a schematic structural view of a stirring shaft of the oil product on-line chromatographic dehydration device provided by the utility model;

fig. 4 is a schematic view of the connection structure of the stirring shaft and the liquid feeding cover of the oil online chromatographic dewatering device provided by the utility model.

Illustration of the drawings:

1. a dehydration tank; 2. a support leg; 3. a cross beam; 4. an electrolytic rod; 5. a stirring shaft; 6. a stirring rod; 7. a fixed mount; 8. a stirring motor; 9. a control panel; 10. a display screen; 11. a control key; 12. a liquid outlet pipe; 13. a control valve; 14. a liquid inlet pipe; 15. a liquid feeding cover; 16. a liquid inlet hole; 17. and a liquid outlet hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, an oil product online chromatographic dehydration device comprises a dehydration tank 1, a stirring shaft 5 and a stirring motor 8;

an electrolytic rod 4 is fixedly installed at the bottom inside the dehydration tank 1, a stirring shaft 5 is arranged at the center inside the dehydration tank 1, the top end of the stirring shaft 5 extends to the outer side of the dehydration tank 1, a fixed frame 7 is welded at the center of the top of the dehydration tank 1, a stirring motor 8 is fixed on the fixed frame 7 through bolts, and the stirring motor 8 is rotatably connected with the stirring shaft 5;

the staggered welding has a plurality of puddler 6 on (mixing) shaft 5, and (mixing) shaft 5 and puddler 6 are inside hollow structure, (mixing) shaft 5 and puddler 6 conduction welded fastening, and the outside welded fastening that lies in dehydration tank 1 on (mixing) shaft 5 has liquid feeding cover 15, and feed liquor hole 16 has been seted up to the inside that lies in dehydration tank 1 on (mixing) shaft 5.

Referring to fig. 1, the bottom of the outer surface wall of a dewatering tank 1 is welded with three support legs 2, the three support legs 2 are distributed annularly, the distance between every two adjacent support legs 2 is equal, and a cross beam 3 is welded between every two adjacent support legs 2.

Referring to fig. 2, a control panel 9 is embedded on the front surface of the dewatering tank 1, and a display screen 10 and a control button 11 are embedded on the control panel 9.

Referring to fig. 2, a liquid outlet pipe 12 is connected to the center of the bottom of the dewatering tank 1, a control valve 13 is arranged on the liquid outlet pipe 12, a liquid inlet pipe 14 is connected to the outer side of the fixing frame 7 on the outer surface wall of the top of the dewatering tank 1 in a conduction manner, and the liquid inlet pipe 14 is also provided with the control valve 13.

The working principle is as follows: when in use, firstly, oil to be dehydrated is added into the dehydration tank 1 through the liquid inlet pipe 14, the control panel 9 is externally connected with a power supply, and then the dehydration tank can be used, when in use, the stirring motor 8 is firstly opened, the stirring motor 8 drives the stirring rod 6 to rotate through the stirring shaft 5, meanwhile, the demulsifier is added into the stirring shaft 5 through the liquid adding cover 15 and the liquid inlet hole 16, the demulsifier is discharged through the liquid outlet hole 17 on the stirring rod 6 connected on the stirring shaft 5, and the mixing uniformity of the oil and the demulsifier in the dehydration tank 1 is effectively improved by matching with the stirring and mixing of the stirring shaft 5 and the stirring rod 6, so that the hydrophilic capability of a newly formed interface membrane is larger than the hydrophobic capability, thus, a crude oil membrane becomes fragile, and is beneficial to the combination of water drops, then, the operation of the electrolytic rod 4 is controlled through the control key 11 on the control panel 9, the, the interfacial film of the crude oil water particles is destroyed or weakened by the action of electricity, and the water particles are forced to be combined, so that the oil-water separation is completed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An oil product online chromatographic dehydration device is characterized by comprising a dehydration tank (1), a stirring shaft (5) and a stirring motor (8);

an electrolytic rod (4) is fixedly installed at the bottom inside the dehydration tank (1), a stirring shaft (5) is arranged at the center inside the dehydration tank (1), the top end of the stirring shaft (5) extends to the outer side of the dehydration tank (1), a fixing frame (7) is welded at the center of the top of the dehydration tank (1), a stirring motor (8) is fixed on the fixing frame (7) through bolts, and the stirring motor (8) is rotatably connected with the stirring shaft (5);

the stirring shaft (5) is provided with a plurality of stirring rods (6) in a staggered mode, the stirring shaft (5) and the stirring rods (6) are of an internal hollow structure, the stirring shaft (5) and the stirring rods (6) are in conduction welding fixation, a liquid feeding cover (15) is welded and fixed on the outer side of the dewatering tank (1) on the stirring shaft (5), and a liquid feeding hole (16) is formed in the inner part of the dewatering tank (1) on the stirring shaft (5).

2. An oil product online chromatographic dehydration device according to claim 1, characterized in that the bottom of the outer wall of the dehydration tank (1) is welded with three support legs (2), the three support legs (2) are distributed annularly, the distance between two adjacent support legs (2) is equal, and a beam (3) is welded between two adjacent support legs (2).

3. An oil product online chromatographic dehydration device according to claim 1 characterized in that a control panel (9) is embedded on the front surface of said dehydration tank (1), and a display screen (10) and a control key (11) are embedded on said control panel (9).

4. An oil product online chromatographic dehydration device according to claim 1 characterized in that the bottom center of said dehydration tank (1) is connected with a liquid outlet pipe (12), and a control valve (13) is arranged on the liquid outlet pipe (12).

5. An oil product online chromatographic dehydration device according to claim 1 characterized in that the outer surface wall of the top of the dehydration tank (1) located at the outer side of the fixed frame (7) is conductively connected with a liquid inlet pipe (14), and the liquid inlet pipe (14) is also provided with a control valve (13).