CN112391192B

CN112391192B - Oil-water separation device for diesel production

Info

Publication number: CN112391192B
Application number: CN202110059814.2A
Authority: CN
Inventors: 刘大禄; 李西春; 肖风格; 李云霄; 李珍光
Original assignee: Dongying Lianhe Petrochemical Co ltd
Current assignee: Dongying Lianhe Petrochemical Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-04-20
Anticipated expiration: 2041-01-18
Also published as: CN112391192A

Abstract

The invention relates to an oil-water separation device for diesel production, which belongs to the field of oil-water separation and comprises a first oil pipe, a heating pipe and a second oil pipe which are obliquely arranged, wherein an annular plate is fixedly installed at the bottom of the first oil pipe, the annular plate is positioned in the heating pipe and is connected with the heating pipe through a sealing bearing, a reciprocating lead screw sequentially penetrates through two second through holes, the second through holes are connected with the reciprocating lead screw through the sealing bearing, a steam turbine is installed on the periphery of the reciprocating lead screw through a one-way bearing, the other end of an exhaust pipe is fixedly connected with the top of a cover body and communicated with the inside of the cover body, and the bottom. This device can be more effectual absorption heating pipe's heat energy, and the bar shaped plate can also play certain stirring effect simultaneously, more is favorable to steam effusion diesel oil, first oil pipe and heating pipe, does not have the leakage risk between heating pipe and the second oil pipe, needn't dispose maintainer for it specially, and this device can alleviate diesel oil and volatilize in being in airtight space when carrying out water oil separating.

Description

Oil-water separation device for diesel production

Technical Field

The invention belongs to the field of oil-water separation, and particularly relates to an oil-water separation device for diesel oil production.

Background

The most important use of diesel is in diesel engines for vehicles and ships. Compared with gasoline, diesel oil has high energy density and low fuel consumption. When the diesel engine is used, impurities and moisture in the diesel oil need to be filtered, so that the diesel oil has strict requirements on moisture control in the production process. Chinese patent No. CN107930184B discloses an oil-water separation device for biodiesel and an oil-water separation method thereof, which utilize gravity and the difference between oil and water to realize separation, the efficiency is still low, and for large-scale production, the occupied area is inevitably increased, and the excessive exposed area of the device can accelerate the volatilization of diesel, thereby reducing the quality of diesel.

Disclosure of Invention

The invention provides an oil-water separation device for diesel production, which is used for overcoming the defects in the prior art.

The invention is realized by the following technical scheme:

an oil-water separation device for diesel production comprises a first oil pipe, a heating pipe and a second oil pipe which are obliquely arranged, wherein an annular plate is fixedly installed at the bottom of the first oil pipe, the annular plate is positioned in the heating pipe and is connected with the heating pipe through a sealing bearing, the annular plate, the second oil pipe, the heating pipe and the first oil pipe are arranged at the same center line, a plurality of steam pipes are arranged on the annular plate, a plurality of strip-shaped plates are fixedly installed in the heating pipe, the bottom of the heating pipe is positioned in the second oil pipe and is rotatably connected with the second oil pipe, the heating pipe is made of metal materials and is sleeved with an induction coil, a first transmission wheel is fixedly installed on the periphery of the heating pipe, the first transmission wheel is connected with a second transmission wheel through a transmission belt, the diameter of the second transmission wheel is smaller than that of the first transmission wheel, a motor is arranged on, a cylinder sleeve is arranged on the other side of the second driving wheel, a first through hole is formed in one end, facing the second driving wheel, of the cylinder sleeve, the other end of the reciprocating lead screw penetrates through the first through hole and then is connected with the inner end of the inner wall of the cylinder sleeve in a rotating mode, a screw nut matched with the reciprocating lead screw is arranged in the cylinder sleeve, the periphery of the screw nut is in contact fit with the inner wall of the cylinder sleeve, one end, far away from the second driving wheel, of the cylinder sleeve is respectively and fixedly connected with one end of an air inlet pipe and one end of an exhaust pipe, one-way valves are arranged in the air inlet pipe and the exhaust pipe, steam pipes are fixedly connected with the other end of the air inlet pipe and communicated with the inner portion, a cover body is arranged between the cylinder sleeve and the second driving wheel, second through holes are formed in two sides of the cover body, the reciprocating lead, the bottom of the cover body is fixedly connected with one end of the condensing pipe.

According to the oil-water separation device for diesel oil production, the heating pipe is externally provided with the heat preservation cover, the first oil pipe and the second oil pipe are respectively and fixedly connected with the end face of the heat preservation cover, the bottom of the heat preservation cover is provided with the two through grooves, the transmission belt penetrates through the two through grooves, and the steam pipes penetrate through the heat preservation cover.

According to the oil-water separation device for diesel production, the angle between the first oil pipe and the horizontal plane is alpha, and alpha is less than or equal to 5 degrees.

According to the oil-water separation device for diesel production, the first transmission wheel and the second transmission wheel are both V-shaped belt wheels, and the transmission belt is a V-shaped belt.

According to the oil-water separation device for diesel oil production, the butterfly valve is arranged at the bottom of the heating pipe, and the valve rod of the butterfly valve penetrates through the top of the heating pipe and is in sealing connection with the heating pipe.

According to the oil-water separation device for diesel oil production, the flow speed of diesel oil in the first oil pipe is not more than 0.2 m/s, and the length of the heating pipe is 25-30 m.

The invention has the advantages that: the device realizes oil-water separation by means of heating evaporation, the heating temperature of the induction coil is 100-, the influence caused by reduction of the oil transportation rate can be reduced, meanwhile, the motor drives the reciprocating lead screw to rotate, at the moment, the reciprocating lead screw cannot drive the steam turbine to rotate through the one-way bearing, the screw nut moves back and forth along the reciprocating lead screw, when the screw nut moves towards the direction of the steam turbine, water vapor in the heating pipe enters the cylinder sleeve through the steam pipe and the air inlet pipe, when the screw nut moves away from the steam turbine, the water vapor enters the cover body through the exhaust pipe, the other end of the exhaust pipe faces the tangential direction of rotation of the steam turbine, and therefore the steam turbine can be driven to rotate in a direction conforming to the rotation of the reciprocating lead screw, the movement resistance of the motor is reduced; the flow track of the diesel oil in the heating pipe is spiral, compared with a fixed mode, the device can more effectively absorb the heat energy of the heating pipe, meanwhile, the strip-shaped plate can play a certain stirring effect, and is more beneficial to steam to escape from the diesel oil, meanwhile, because the flow trend of the diesel oil is inclined downwards, no leakage risk exists between the first oil pipe and the heating pipe, and the heating pipe and the second oil pipe, maintenance personnel do not need to be specially configured for the diesel oil, and unnecessary human resource expenditure can be reduced; this device is in airtight space when carrying out oil-water separation, and the temperature does not have the influence to volatilizing, can alleviate diesel oil and volatilize.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; fig. 2 is an enlarged view of the view from the direction a of fig. 1.

Reference numerals: 1. the device comprises a first oil pipe, 2, a heating pipe, 3, a second oil pipe, 4, an annular plate, 5, a steam pipe, 6, a strip-shaped plate, 7, a first driving wheel, 8, a driving belt, 9, a second driving wheel, 10, a motor, 11, a reciprocating screw rod, 12, a cylinder sleeve, 13, a first through hole, 14, a screw nut, 15, an air inlet pipe, 16, an exhaust pipe, 17, a cover body, 18, a second through hole, 19, a steam turbine, 20, a condensation pipe, 21, a heat-preservation cover, 22 and a through groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.

An oil-water separation device for diesel oil production comprises a first oil pipe 1, a heating pipe 2 and a second oil pipe 3 which are obliquely arranged, wherein a ring-shaped plate 4 is fixedly installed at the bottom of the first oil pipe 1 and made of an oleophobic material, the ring-shaped plate 4 is positioned in the heating pipe 2 and is connected with the heating pipe through a sealing bearing, the ring-shaped plate 4, the second oil pipe 3, the heating pipe 2 and the first oil pipe 1 are arranged at the same center line, a plurality of steam pipes 5 are arranged on the ring-shaped plate 4, one ends of the steam pipes 5 penetrate through the ring-shaped plate 4 and are fixedly connected with the ring-shaped plate, a plurality of strip-shaped plates 6 are fixedly installed in the heating pipe 2, the strip-shaped plates 6 are made of metal, the strip-shaped plates 6 are uniformly distributed in the heating pipe 2, the bottom of the heating pipe 2 is positioned in the second oil pipe 3 and is rotatably connected with the second oil pipe 3, preferably, a first driving wheel 7 is fixedly installed on the periphery of the heating pipe 2, the first driving wheel 7 is connected with a second driving wheel 9 through a driving belt 8, the diameter of the second driving wheel 9 is smaller than that of the first driving wheel 7, the first driving wheel 7 and the driving belt 8 are made of heat insulation materials, a motor 10 is arranged on one side of the second driving wheel 9, the second driving wheel 9 is fixedly installed on an output shaft of the motor 10, an output end of the motor 10 is fixedly connected with one end of a reciprocating lead screw 11, a cylinder sleeve 12 is arranged on the other side of the second driving wheel 9, a first through hole 13 is formed in one end, facing the second driving wheel 9, of the cylinder sleeve 12, the first through hole 13 is concentric with the cylinder sleeve 12 and the reciprocating lead screw 11, the cylinder sleeve 12 is parallel to the heating pipe 2, the other end of the reciprocating lead screw 11 passes through the first through hole 13 and then rotates to, the periphery of a screw 14 is in contact fit with the inner wall of a cylinder sleeve 12, the friction force between the screw 14 and the cylinder sleeve 12 is larger than the friction force between the screw 14 and a reciprocating screw 11, a sealing ring can be arranged on the periphery of the screw 14 to prevent air leakage, one end of the cylinder sleeve 12, which is far away from a second driving wheel 9, is respectively and fixedly connected with one end of an air inlet pipe 15 and one end of an exhaust pipe 16, one-way valves are respectively arranged in the air inlet pipe 15 and the exhaust pipe 16, a steam pipe 5 is respectively and fixedly connected with the other end of the air inlet pipe 15 and communicated with the inside, a cover body 17 is arranged between the cylinder sleeve 12 and the second driving wheel 9, second through holes 18 are respectively arranged on two sides of the cover body 17, the reciprocating screw 11 sequentially passes through the two second through holes 18, the second through holes 18 are respectively connected with the reciprocating screw 11 through sealing bearings, a steam turbine 19 is, the bottom of the cover body 17 is fixedly connected with one end of a condensation pipe 20, and the other end of the condensation pipe 20 is connected with a condensate water recovery device. The device realizes oil-water separation by a heating evaporation mode, the heating temperature of an induction coil is 100-, the influence caused by reduction of the oil transportation rate can be reduced, meanwhile, the motor 10 drives the reciprocating lead screw 11 to rotate, at the moment, the reciprocating lead screw 11 cannot drive the steam turbine 19 to rotate through a one-way bearing, the screw 14 moves back and forth along the reciprocating lead screw 11, when the screw 14 moves towards the direction of the steam turbine 19, water vapor in the heating pipe 2 enters the cylinder sleeve 12 through the steam pipe 5 and the air inlet pipe 15, when the screw 14 moves away from the steam turbine 19, the water vapor enters the cover body 17 through the exhaust pipe 16, and the other end of the exhaust pipe 16 faces the tangential direction of the rotation of the steam turbine 19, so that the steam turbine 19 can be driven to rotate along the direction of the rotation of the reciprocating lead screw 11, the movement resistance of the motor 10 is reduced, and the; the flow track of diesel oil in the heating pipe 2 is spiral, compared with a fixed mode, the device can more effectively absorb the heat energy of the heating pipe 2, meanwhile, the strip-shaped plate 6 can play a certain stirring effect, and is more beneficial to steam to escape from the diesel oil, and meanwhile, as the flow trend of the diesel oil is inclined downwards, the first oil pipe 1 and the heating pipe 2 have no leakage risk between the heating pipe 2 and the second oil pipe 3, maintenance personnel do not need to be specially configured for the heating pipe, and unnecessary human resource expenditure can be reduced; this device is in airtight space when carrying out oil-water separation, and the temperature does not have the influence to volatilizing, can alleviate diesel oil and volatilize.

Specifically, as shown in fig. 1, a heat-insulating cover 21 is arranged outside the heating pipe 2 according to the present embodiment, the first oil pipe 1 and the second oil pipe 3 are respectively and fixedly connected to an end surface of the heat-insulating cover 21, two through grooves 22 are formed in the bottom of the heat-insulating cover 21, the transmission belt 8 penetrates through the two through grooves 22, and the steam pipes 5 penetrate through the heat-insulating cover 21. The structure can reduce the heat interaction between the heating pipe 2 and the outside, thereby being beneficial to reducing the electric quantity loss.

Specifically, as shown in fig. 1, the angle between the first oil pipe 1 and the horizontal plane in this embodiment is α, and α is less than or equal to 5 °. The structure can make the diesel oil in the heating pipe 2 flow downwards under the action of gravity, and the downward flow speed is slow because of a small angle, so that the diesel oil has enough time to absorb the heat of the heating pipe 2.

Further, as shown in fig. 1, the first transmission wheel 7 and the second transmission wheel 9 of the present embodiment are both V-shaped pulleys, and the transmission belt 8 is a V-shaped belt. The structure can avoid the problem of unsmooth operation caused by lack of lubricating oil, and has enough power transmission efficiency.

Furthermore, as shown in fig. 1, a butterfly valve is disposed at the bottom of the heating tube 2, and a valve rod of the butterfly valve penetrates through the top of the heating tube 2 and is connected to the heating tube in a sealing manner. The length of valve rod is less than the interval between heating pipe 2 and the heat preservation cover 21, sets up penetrating hole on the heat preservation cover 21 to on the user is connected to the valve rod with the handle of valve rod, the back is accomplished in the manipulation, lift the handle off again, in order to avoid it to influence the rotation of heating pipe 2, through the controllable heating pipe 2 switches of butterfly valve, more nimble during the in-service use.

Furthermore, the flow speed of diesel oil in the first oil pipe 1 is not more than 0.2 m/s, and the length of the heating pipe 2 is 25-30 m. Which enables the diesel oil to flow in the heating pipe 2 for a sufficient time to enable the diesel oil to absorb sufficient heat energy to evaporate the water contained therein.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides an oil-water separator for diesel production, includes first oil pipe (1) of putting to one side, heating pipe (2), second oil pipe (3), steam pipe (5), the first drive wheel of periphery fixed mounting (7) of heating pipe (2), and second drive wheel (9), its characterized in that are connected through drive belt (8) in first drive wheel (7): the bottom of a first oil pipe (1) is fixedly provided with an annular plate (4), the annular plate (4) is positioned in a heating pipe (2) and is connected with the heating pipe through a sealing bearing, the annular plate (4), a second oil pipe (3), the heating pipe (2) and the first oil pipe (1) are arranged at the same center line, the annular plate (4) is provided with a plurality of steam pipes (5), the heating pipe (2) is internally and fixedly provided with a plurality of strip-shaped plates (6), the bottom of the heating pipe (2) is positioned in the second oil pipe (3) and is rotationally connected with the second oil pipe, the heating pipe (2) is made of metal and is sleeved with an induction coil, the diameter of a second driving wheel (9) is smaller than that of a first driving wheel (7), one side of the second driving wheel (9) is provided with a motor (10), the second driving wheel (9) is fixedly arranged on an output shaft of the motor (10), a cylinder sleeve (12) is arranged on the other side of the second driving wheel (9), a first through hole (13) is formed in one end, facing the second driving wheel (9), of the cylinder sleeve (12), a screw nut (14) matched with the reciprocating screw rod (11) is arranged in the cylinder sleeve (12), the periphery of the screw nut (14) is in contact fit with the inner wall of the cylinder sleeve (12) after penetrating through the first through hole (13), one end, far away from the second driving wheel (9), of the cylinder sleeve (12) is fixedly connected with one end of an air inlet pipe (15) and one end of an exhaust pipe (16) respectively, check valves are arranged in the air inlet pipe (15) and the exhaust pipe (16), a steam pipe (5) is fixedly connected with the other end of the air inlet pipe (15) and communicated with the interior of the air inlet pipe, a cover body (17) is arranged between the cylinder sleeve (12) and the second driving wheel (9), second through holes (18) are formed in two sides, reciprocating screw rod (11) passes two second through-holes (18) in proper order, and reciprocating screw rod (11) are all connected through sealed bearing in second through-hole (18), and one-way bearing installation steam turbine (19) are passed through to reciprocating screw rod's (11) periphery, and the other end fixed connection of blast pipe (16) covers the top of body (17) and communicates with each other with it inside, and the bottom fixed connection condenser pipe's (20) one end of cover body (17).

2. The oil-water separator for diesel production according to claim 1, wherein: heating pipe (2) be equipped with heat preservation cover (21) outward, first oil pipe (1) and second oil pipe (3) are the terminal surface of fixed connection heat preservation cover (21) respectively, two through grooves (22) are seted up to the bottom of heat preservation cover (21), pass in two through grooves (22) drive belt (8) follow, steam pipe (5) all run through heat preservation cover (21).

3. The oil-water separator for diesel production according to claim 1 or 2, characterized in that: the angle between the first oil pipe (1) and the horizontal plane is alpha which is less than or equal to 5 degrees.

4. The oil-water separator for diesel production according to claim 1, wherein: the first transmission wheel (7) and the second transmission wheel (9) are both V-shaped belt wheels, and the transmission belt (8) is a V-shaped belt.

5. The oil-water separator for diesel production according to claim 1, wherein: the bottom of the heating pipe (2) is provided with a butterfly valve, and a valve rod of the butterfly valve penetrates through the top of the heating pipe (2) and is connected with the heating pipe in a sealing manner.

6. The oil-water separator for diesel production according to claim 1, 2, 4, or 5, wherein: the flow velocity of diesel oil in the first oil pipe (1) is not more than 0.2 m/s, and the length of the heating pipe (2) is 25-30 m.