CN213475879U - Oil distillation system - Google Patents
Oil distillation system Download PDFInfo
- Publication number
- CN213475879U CN213475879U CN202022495596.0U CN202022495596U CN213475879U CN 213475879 U CN213475879 U CN 213475879U CN 202022495596 U CN202022495596 U CN 202022495596U CN 213475879 U CN213475879 U CN 213475879U
- Authority
- CN
- China
- Prior art keywords
- oil
- tower
- pipeline
- tank
- outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model relates to an oil distillation system. The device comprises a reaction system, wherein the reaction system comprises a dehydration tower, a distillation tower, an adsorption tower, a catalytic tower, a fractionating tower, a cooling tower, a receiving tank, a combustor and a water supply system; a first control valve, an oil outlet pump and a second control valve are connected in series on a pipeline between the distillation tower and the dehydration tower; the cooling tower comprises a first cooling tower, a second cooling tower and a third cooling tower which are respectively connected with a top oil outlet, a side oil outlet and a bottom oil outlet of the fractionating tower, and a water supply system is respectively connected with a water inlet and a water outlet of each cooling tower and supplies cold for the cooling towers; the receiving tank comprises a top line receiving tank, a side line receiving tank and a bottom line receiving tank which are respectively connected with the first cooling tower, the second cooling tower and the third cooling tower and are used for storing oil. The utility model discloses an atmospheric and vacuum distillation technique can separate into the oil of three kinds of different components with waste oil, and this processing equipment simple structure, convenient operation, production efficiency height, economic benefits are showing, and the most suitable middle-size and small-size chemical industry enterprise adopts.
Description
Technical Field
The utility model relates to a waste oil treatment field is an oil distillation system very much.
Background
Distillation is a thermodynamic separation process that utilizes the difference in boiling points of components in a mixed liquid or liquid-solid system to vaporize lower boiling components and recondense to separate the entire component, a unit operation that combines the two unit operations of evaporation and condensation. Compared with other separation means, such as extraction, adsorption, etc., it has the advantage of not requiring the use of other solvents than the system components, thereby ensuring that no new impurities are introduced.
Simple distillation such as making distilled water to remove solid impurities dissolved therein or making distilled liquor to concentrate alcohol to remove a part of water; rectification, also known as fractionation, is carried out in a single apparatus for multiple partial vaporizations and partial condensations to separate liquid mixtures, e.g., petroleum is fractionated to separate various combinations of gasoline, diesel, kerosene and heavy oils.
The existing waste oil treatment system mostly adopts a distillation-hydrogenation process to carry out waste oil recycling regeneration treatment, and the method mainly comprises the steps of entering a short-path distillation kettle to carry out reduced pressure distillation, hydrofining, entering a distillation tower to carry out redistillation and finally generating lubricating oil.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the oil material distillation system overcomes the defects, adopts an atmospheric and vacuum distillation technology, can separate waste oil into three kinds of oil with different components, has simple structure, convenient operation, high production efficiency and obvious economic benefit, and is most suitable for small and medium-sized chemical enterprises.
The utility model discloses a following technical scheme realizes: an oil distillation system characterized by: the device comprises a reaction system, wherein the reaction system comprises a dehydration tower, a distillation tower, an adsorption tower, a catalytic tower, a fractionating tower, a cooling tower, a receiving tank, a combustor and a water supply system;
a raw oil inlet for inputting raw oil is arranged at the middle upper part of the tower wall of the dehydration tower, an oil outlet is arranged at the bottom of the dehydration tower, and an oil-water outlet is arranged at the top of the dehydration tower;
an oil inlet is formed in the middle upper part of the tower wall of the distillation tower, the oil inlet of the distillation tower is connected with the oil outlet of the dehydration tower through a pipeline, and a first control valve, an oil outlet pump and a second control valve are sequentially connected in series on the pipeline between the distillation tower and the dehydration tower along the oil feeding direction; the wall of the distillation tower is also provided with a smoke inlet and a smoke outlet, the burner is connected with the smoke inlet of the distillation tower and supplies heat to the distillation tower, and the bottom of the distillation tower is also provided with a residual oil outlet for discharging residual oil generated after distillation reaction;
the adsorption tower is arranged above the distillation tower and communicated with the interior of the distillation tower, activated carbon is arranged in the adsorption tower and used for adsorbing light component oil generated by distillation reaction, and an oil outlet is formed in the top of the adsorption tower;
the catalytic tower is provided with more than one catalytic tower, the middle lower part of the tower wall of each catalytic tower is provided with an oil inlet connected with the oil outlet of the adsorption tower, a desulfurization adsorption catalyst for catalysis is arranged in each catalytic tower, and the top of each catalytic tower is also provided with an oil outlet;
an oil inlet connected with an oil outlet of the catalytic tower is formed in the lower portion of the tower wall of the fractionating tower, a bottom oil outlet is formed in the bottom of the tower wall of the fractionating tower, a side oil outlet is formed in the middle lower portion of the tower wall, and a top oil outlet is formed in the top of the tower wall;
the cooling tower comprises a first cooling tower, a second cooling tower and a third cooling tower which are respectively connected with a top oil outlet, a side oil outlet and a bottom oil outlet of the fractionating tower, and the water supply system is respectively connected with a water inlet and a water outlet of each cooling tower and supplies cold for the cooling towers;
the receiving tank comprises a top line receiving tank, a side line receiving tank and a bottom line receiving tank which are respectively connected with the first cooling tower, the second cooling tower and the third cooling tower and are used for storing oil. Preferably, the number of catalytic towers is two.
In order to facilitate the output and storage of residual oil, the reaction system further comprises a residual oil storage tank, the residual oil storage tank is connected with a residual oil outlet of the distillation tower through a pipeline, and a third control valve, a residual oil circulating pump and a fourth control valve are sequentially connected in series on the pipeline between the residual oil storage tank and the distillation tower along the conveying direction.
In order to facilitate the circulation of part of the residual oil in the loop, a return pipeline which is connected with a residual oil return port arranged at the middle upper part of the tower wall of the distillation tower for returning part of the residual oil is also connected by one way on the pipeline connecting the residual oil circulating pump and the control valve IV, and the control valve V positioned between the residual oil circulating pump and the distillation tower is also connected in series on the return pipeline.
Preferably, the storage tank is also connected with the burner through a pipeline, and the non-condensable gas in the storage tank is conveyed to the burner through the pipeline so as to be combusted by the burner.
In order to prevent backfire, a first water seal tank for preventing flame in the burner from flowing back to the residual oil storage tank is connected in series on a pipeline between the residual oil storage tank and the burner.
Preferably, the bottom of the tower wall of the distillation tower and the top of the tower wall of the fractionating tower are provided with non-condensable gas outlets connected with the burners through pipelines, and the non-condensable gas generated in the distillation tower and the fractionating tower is conveyed to the burners through the corresponding pipelines to be combusted by the burners.
In order to prevent blockage, the bottom of the tower wall of each catalytic tower is also provided with a reflux outlet, and the reflux outlet of each catalytic tower is connected with the adsorption tower through a pipeline and used for refluxing the oil part in the catalytic tower to the adsorption tower so as to prevent the blockage of the adsorption tower.
In order to make full use of the oil, the bottom of the top line receiving tank is provided with a top line oil return outlet, the top line oil return outlet of the top line receiving tank is connected with a top line oil return inlet arranged at the top of the tower wall of the fractionating tower through a pipeline and is used for returning part of the oil, and a control valve seven, a top line oil return pump and a control valve eight are sequentially arranged on an oil return pipeline between the top line receiving tank and the fractionating tower along the conveying direction.
Preferably, the reaction system further comprises a negative pressure system, the negative pressure system comprises a buffer tank and a waste gas tank, the upper parts of the tower walls of the bottom line receiving tank, the lateral line receiving tank and the top line receiving tank are respectively provided with an air outlet connected with an air inlet arranged at the top of the buffer tank through a pipeline, and a control valve nine, a control valve ten and a control valve eleven are respectively connected in series on the pipelines between the top line receiving tank, the lateral line receiving tank and the buffer tank;
the buffer tank is also connected with the waste gas tank through a pipeline, and a control valve twelve, a vacuum pump and a control valve thirteen are sequentially arranged on the pipeline between the buffer tank and the waste gas tank along the conveying direction;
the waste gas tank is also connected with the burner through a pipeline, and the non-condensable gas in the waste gas tank is conveyed to the burner through the pipeline so as to be burnt by the burner. In particular, the non-condensable gas outlet of the waste gas tank is also connected to a first water-sealed tank to prevent backfire. Under the action of vacuum pump, the tower top, the middle section, the bottom and the top of the dewatering tower are in micro negative pressure state for oil transportation.
In order to facilitate refining, the oil distillation system further comprises an oxidation refining system, and the oxidation refining system comprises an oxidation tank, a plate filter, a semi-finished oil storage tank, a filter tank and a finished oil storage tank;
oil outlets are formed in the bottoms of the bottom line receiving tank and the side line receiving tank, an oil inlet and an oil outlet are formed in the oxidation tank, the oil inlet of the oxidation tank is connected with the oil inlet of the bottom line receiving tank through a pipeline, and a control valve fourteen, a control valve fifteen, a crude oil outlet pump and a control valve sixteen are sequentially connected in series on the pipeline between the oxidation tank and the bottom line receiving tank along the oil feeding direction; the oil outlet of the side line receiving tank is also connected to a pipeline between the control valve fourteen and the control valve fifteen through a pipeline, and the pipeline is also connected with a control valve seventeen in series;
the number of the plate type filters is more than one, each plate type filter is provided with an oil inlet and an oil outlet, the oil inlet of each plate type filter is connected with the oil outlet of the oxidation tank through a pipeline, eighteen control valves, an aging oil outlet pump and nineteen control valves are sequentially connected in series on the pipeline between the plate type filter and the oxidation tank along the oil feeding direction, and preferably, the number of the plate type filters is two;
the semi-finished product oil storage tank is also provided with an oil inlet and an oil outlet, and the oil inlet of the semi-finished product oil storage tank is connected with the oil outlet of the plate filter through a pipeline;
the number of the filter tanks is more than one, each filter tank is provided with an oil inlet and an oil outlet, the oil inlets of the filter tanks are connected with the oil outlets of the semi-finished oil storage tanks through pipelines, a control valve twenty, a semi-finished oil outlet pump and a control valve twenty-one are sequentially connected in series on the pipeline between the filter tanks and the semi-finished oil storage tanks along the oil conveying direction, and the filter tanks are internally provided with active carbon for filtering oil; and the finished oil storage tank is provided with an oil inlet which is connected with the oil outlet of the filtering tank through a pipeline.
In order to prevent tempering, the top of the oxidation tank, the semi-finished oil storage tank and the finished oil storage tank are respectively provided with a non-condensable gas outlet which is connected with the burner through a pipeline, and a water-sealed tank II for preventing tempering is connected in series on a main pipeline which is connected between the burner and the oxidation tank, between the semi-finished oil storage tank and between the burner and the finished oil storage tank.
In order to facilitate the preheating of the raw oil, the oil distillation system further comprises a raw oil preheating system, the raw oil preheating system comprises a first heat exchanger, a second heat exchanger and a third heat exchanger, the first heat exchanger, the second heat exchanger and the third heat exchanger are respectively provided with an oil inlet, an oil outlet, a smoke inlet and a smoke outlet, the oil inlet of the first heat exchanger is used for inputting the raw oil, the oil outlet of the first heat exchanger is connected with the oil inlet of the second heat exchanger, the smoke inlet of the first heat exchanger is connected with the smoke outlet of the second heat exchanger, and the smoke outlet of the first heat exchanger is used for outputting smoke outwards;
an oil outlet of the second heat exchanger is connected with an oil inlet of the third heat exchanger, a smoke inlet of the second heat exchanger is connected with a smoke outlet of the third heat exchanger, and a smoke outlet of the distillation tower is connected with a smoke inlet of the second heat exchanger;
and the oil outlet of the third heat exchanger is connected with an oil inlet arranged at the middle upper part of the tower wall of the dehydration tower and supplies oil to the oil inlet, and the flue gas outlet of the combustor is also connected with a flue gas inlet of the third heat exchanger and supplies heat to the flue gas inlet.
In order to fully utilize heat energy to preheat raw oil, the raw oil preheating system further comprises a heat exchanger IV, a heat exchanger V and a heat exchanger VI, wherein the heat exchanger IV, the heat exchanger V and the heat exchanger VI are respectively provided with a heat exchange oil inlet, a heat exchange oil outlet, a raw oil inlet and a raw oil outlet, the raw oil inlet of the heat exchanger IV is connected with a raw oil supply pipeline and used for inputting raw oil, the raw oil outlet of the heat exchanger IV is connected with the raw oil inlet of the heat exchanger V, the heat exchange oil inlet of the heat exchanger IV is connected with the heat exchange oil outlet of the heat exchanger V, and the heat exchange oil outlet of the heat exchanger IV is connected with the cooling tower II phase to;
a raw material outlet oil port of the heat exchanger five is connected with a raw material inlet oil port of the heat exchanger six, and a heat exchange oil port of the heat exchanger five is connected with a side oil outlet of the fractionating tower;
and a heat exchange oil inlet of the heat exchanger six is connected with a bottom oil outlet arranged at the bottom of the fractionating tower, and a raw material oil outlet of the heat exchanger six is connected with an oil inlet of the heat exchanger I to input raw material oil.
In order to facilitate the treatment of waste gas, the oil distillation system further comprises a waste gas treatment system, the waste gas treatment system further comprises a waste water distiller, a first desulfurization dust remover, a second desulfurization dust remover, a centrifugal fan and a chimney, which are sequentially connected through a pipeline along the flue gas conveying direction, and a smoke outlet of the first heat exchanger is connected with a smoke inlet of the waste water distiller and used for outputting smoke to the waste water distiller.
In order to facilitate the treatment of oil and water, the oil material distillation system also comprises an oil and water treatment system, wherein the oil and water treatment system comprises a cooling tower IV and an oil and water separator which are sequentially arranged along the oil and water conveying direction;
the feed inlet of the cooling tower IV is connected with an oil outlet arranged at the top of the tower wall of the dehydration tower, and the oil distillation system further comprises a head oil receiving tank which is connected with an oil outlet arranged at the middle part of the oil-water separator and is used for storing oil, and a wastewater receiving tank which is connected with a water-gas outlet arranged at the top of the oil-water separator and is used for storing wastewater. And a water-gas outlet at the top of the oil-water separator is also connected with a waste gas tank, and waste gas in the oil-water separator can be stored in the waste gas tank.
In order to facilitate pressure relief, the oil distillation system also comprises a pressure relief system which is respectively connected with the dehydrating tower, the distillation tower, the bottom line receiving tank and the side line receiving tank and is used for pressure relief. Namely, pressure release valves are arranged in the dehydrating tower, the distillation tower, the bottom line receiving tank and the side line receiving tank, each pressure release valve is connected to one pipeline, and an outlet is connected with a combustor to directly burn.
Preferably, the water-sealed tank comprises a tank body, a water inlet pipeline is connected to the middle of the wall of the tank body, the other end of the water inlet pipeline is connected with a water supply system and used for injecting water into the tank body, and a water outlet pipeline used for facilitating outward discharge of water in the tank body is further arranged at the bottom of the wall of the tank body;
the first water-sealed tank further comprises a light gas input pipeline and a light gas output pipeline, the light gas input pipeline is connected between the residual oil storage tank and the tank body, the output end of the light gas input pipeline extends into the tank body, the outlet of the output end is positioned at the middle lower part of the inner cavity of the tank body, and the light gas input pipeline is also connected with a first valve in a pipeline positioned between the residual oil storage tank and the tank body; the light gas output pipeline is connected between the combustor and the tank body, the input end of the light gas output pipeline extends into the tank body, the inlet position of the input end is positioned at the upper part of the inner cavity of the tank body, and the light gas output pipeline is also connected with a second valve in a pipeline positioned between the combustor and the tank body; the outlet position of the output end of the light gas input pipeline is lower than the inlet position of the input end of the light gas output pipeline, and the liquid level height position of the injected water in the tank body is located between the outlet position of the output end of the light gas input pipeline and the inlet position of the input end of the light gas output pipeline.
Preferably, a first flame arrester is connected to the light gas input pipeline, the first flame arrester is located on a pipeline between the first valve and the tank body, a second flame arrester is connected to the light gas output pipeline, and the second flame arrester is located on a pipeline between the second valve and the tank body.
Preferably, the first flame arrestor and the second flame arrestor each comprise a first valve body and a second valve body capable of being connected in series in a light gas outlet conduit or a light gas inlet conduit, the outer peripheries of two axial ends of the first valve body are respectively provided with a first flange, the outer peripheries of two axial ends of the second valve body are respectively provided with a second flange, the adjacent ends of the first valve body and the second valve body are connected with the second flange through the first flange and are locked and fixed through a plurality of groups of bolt assemblies, the other ends of the first valve body and the second valve body are respectively connected with the flange of the pipeline in which the first valve body and the second valve body are arranged through the first flange and the second flange of the corresponding end, at least one fire retardant plate is arranged in each of the first valve body and the second valve body, a first accommodating groove for installing a fire retardant plate is formed in the first valve body, and a second accommodating groove for installing the fire retardant plate is formed in the second valve body; the fire retardant plate is made of fireproof materials, and a plurality of hollowed-out air gaps are distributed on the fire retardant plate.
Preferably, the upper part of the tank wall of the tank body is further connected with a pressure relief pipeline which enables the inner cavity of the tank body to be communicated with the outside, the inlet position of the pressure relief pipeline is located above the inlet position of the input end of the light gas output pipeline, and the pressure relief pipeline is further connected with an automatic pressure relief valve which is used for facilitating pressure relief in series.
Preferably, the first water-sealed tank further comprises an electronic water level sensor and a control device, the electronic water level sensor is arranged in the tank body and is located at a height position between an inlet position of the light gas output pipeline and an outlet position of the output end of the light gas input pipeline, the control device is respectively connected with the electronic water level sensor and the water supply system, and when the electronic water level sensor is triggered, the control device can control the water supply system to stop water injection.
Preferably, the distance L between the outlet position of the output end of the light gas input pipeline and the position of the electronic water level sensor is greater than or equal to 8 cm.
Preferably, the light gas input pipeline and the light gas output pipeline both adopt seamless steel pipes.
Preferably, the tank body is also provided with a liquid level indicating device for displaying the height of the water injection liquid level in the tank body, the liquid level indicating device comprises a liquid level indicating pipe vertically arranged on the outer side of the tank wall of the tank body, and a bottom inlet and a top outlet of the liquid level indicating pipe are respectively connected to the bottom and the top of the tank wall of the tank body; the liquid level indicator pipe is provided with scales arranged from bottom to top and an indicator mark used for marking the height position of the liquid level of water to be injected into the tank body.
Compared with the prior art, the utility model has the advantages that:
1. the utility model relates to an oil distillation system, this system adopt atmospheric and vacuum distillation technique, can separate into the oil of three kinds of different components with waste oil, and this processing equipment simple structure, convenient operation, production efficiency height, economic benefits are showing, and the most suitable middle-size and small-size chemical industry enterprise adopts.
2. The utility model relates to an oil distillation system is equipped with water-sealed tank structure in this system, can effectively prevent the fire among the combustor from flowing back to the device of supplying gas in, can effectively improve production factor of safety.
3. The utility model relates to an oil distillation system, because the adsorption tower adopts the active carbon to adsorb, the porous structure of active carbon blocks up easily in the use, can flow back some oil in the catalytic tower to the adsorption tower in, can push open the porous in the active carbon, prevents effectively that the adsorption tower from taking place to block up.
4. The utility model relates to an oil distillation system, this system still are equipped with the refined system of oxidation and can refine the oil and obtain the finished product oil.
5. The utility model relates to an oil distillation system, this system still are equipped with raw oil and preheat the system, can make full use of heat energy for raw oil reaches the technological requirement, has energy-conserving advantage.
6. The utility model relates to an oil distillation system, this system still waste gas treatment system can eliminate the solid particle in the flue gas, reduce the low sulfur content simultaneously after the chimney discharge.
7. The utility model relates to an oil distillation system, this system still have can last operation use, equipment drop into low and convenient to popularize and use's advantage.
Drawings
FIG. 1 is a schematic view of an oil distillation system of the present invention;
FIG. 2 is a schematic structural diagram of a water seal pipe I in the oil distillation system of the present invention;
fig. 3 is a schematic structural view of a first flame arrestor and a second flame arrestor in an oil distillation system of the present invention;
fig. 4 is a schematic structural diagram of a liquid level indicator tube in an oil distillation system according to the present invention.
Description of reference numerals: 1-tank body, 11-water inlet pipeline, 12-water outlet pipeline, 13-pressure relief pipeline, 2-light gas input pipeline, 3-light gas output pipeline, 4-first valve body, 41-first flange, 42-first containing groove, 5-second valve body, 51-second flange, 52-second containing groove, 6-fire retardant plate, 7-bolt component, 8-electronic water level sensor, 9-liquid level indicator pipe, b 1-control valve I, b 2-control valve II, b 3-control valve III, b 4-control valve IV, b 5-control valve V, b 7-control valve VII, b 8-control valve eight, b 9-control valve nine, b 10-control valve ten, b 11-control valve eleven, b 12-control valve twelve, b 13-control valve thirteen, b 14-control valve fourteen, b 15-control valve fifteen, b 16-control valve sixteen, b 17-control valve seventeen, b 18-control valve eighteen, b 19-control valve nineteen, b 20-control valve twenty, b 21-control valve twenty-one, p 04-semi-finished product oil outlet pump, p 05-aged oil outlet pump, p 06-crude oil outlet pump, p 09-residual oil circulating pump, p 10-oil outlet pump, p 12-top line oil return pump and p 14-vacuum pump.
Detailed Description
The invention is explained in detail below with reference to the accompanying drawings:
as shown in fig. 1-4, an oil distillation system is characterized in that: the device comprises a reaction system, wherein the reaction system comprises a dehydration tower, a distillation tower, an adsorption tower, a catalytic tower, a fractionating tower, a cooling tower, a receiving tank, a combustor and a water supply system;
a raw oil inlet for inputting raw oil is arranged at the middle upper part of the tower wall of the dehydration tower, an oil outlet is arranged at the bottom of the dehydration tower, and an oil-water outlet is arranged at the top of the dehydration tower;
an oil inlet is formed in the middle upper part of the tower wall of the distillation tower, the oil inlet of the distillation tower is connected with the oil outlet of the dehydration tower through a pipeline, and a first control valve b1, an oil outlet pump p10 and a second control valve b2 are sequentially connected in series on the pipeline between the distillation tower and the dehydration tower along the oil feeding direction; the wall of the distillation tower is also provided with a smoke inlet and a smoke outlet, the burner is connected with the smoke inlet of the distillation tower and supplies heat to the distillation tower, and the bottom of the distillation tower is also provided with a residual oil outlet for discharging residual oil generated after distillation reaction;
the adsorption tower is arranged above the distillation tower and communicated with the interior of the distillation tower, activated carbon is arranged in the adsorption tower and used for adsorbing light component oil generated by distillation reaction, and an oil outlet is formed in the top of the adsorption tower;
the catalytic tower is provided with more than one catalytic tower, the middle lower part of the tower wall of each catalytic tower is provided with an oil inlet connected with the oil outlet of the adsorption tower, a desulfurization adsorption catalyst for catalysis is arranged in each catalytic tower, and the top of each catalytic tower is also provided with an oil outlet;
an oil inlet connected with an oil outlet of the catalytic tower is formed in the lower portion of the tower wall of the fractionating tower, a bottom oil outlet is formed in the bottom of the tower wall of the fractionating tower, a side oil outlet is formed in the middle lower portion of the tower wall, and a top oil outlet is formed in the top of the tower wall;
the cooling tower comprises a first cooling tower, a second cooling tower and a third cooling tower which are respectively connected with a top oil outlet, a side oil outlet and a bottom oil outlet of the fractionating tower, and the water supply system is respectively connected with a water inlet and a water outlet of each cooling tower and supplies cold for the cooling towers;
the receiving tank comprises a top line receiving tank, a side line receiving tank and a bottom line receiving tank which are respectively connected with the first cooling tower, the second cooling tower and the third cooling tower and are used for storing oil. Preferably, the number of catalytic towers is two.
In order to facilitate storage and output of the residual oil, the reaction system further comprises a residual oil storage tank, the residual oil storage tank is connected with a residual oil outlet of the distillation tower through a pipeline, and a control valve III b3, a residual oil circulating pump p09 and a control valve IV b4 are sequentially connected in series on the pipeline between the residual oil storage tank and the distillation tower along the conveying direction.
In order to facilitate the circulation of part of the residual oil in the loop, a return pipeline which is connected with a residual oil return port arranged at the middle upper part of the tower wall of the distillation tower for returning part of the residual oil is also connected by a bypass on a pipeline which is connected between the residual oil circulating pump p09 and the control valve IV 4, and the control valve IV 5 which is positioned between the residual oil circulating pump p09 and the distillation tower is also connected in series on the return pipeline.
Preferably, the storage tank is also connected with the burner through a pipeline, and the non-condensable gas in the storage tank is conveyed to the burner through the pipeline so as to be combusted by the burner.
In order to prevent backfire, a first water seal tank for preventing flame in the burner from flowing back to the residual oil storage tank is connected in series on a pipeline between the residual oil storage tank and the burner.
Preferably, the bottom of the tower wall of the distillation tower and the top of the tower wall of the fractionating tower are provided with non-condensable gas outlets connected with the burners through pipelines, and the non-condensable gas generated in the distillation tower and the fractionating tower is conveyed to the burners through the corresponding pipelines to be combusted by the burners.
In order to prevent blockage, the bottom of the tower wall of each catalytic tower is also provided with a reflux outlet, and the reflux outlet of each catalytic tower is connected with the adsorption tower through a pipeline and used for refluxing the oil part in the catalytic tower to the adsorption tower so as to prevent the blockage of the adsorption tower.
In order to fully utilize the oil, the bottom of the top line receiving tank is provided with a top line oil return outlet, the top line oil return outlet of the top line receiving tank is connected with a top line oil return inlet arranged at the top of the tower wall of the fractionating tower through a pipeline and is used for returning part of the oil, and a control valve seven b7, a top line oil return pump p12 and a control valve eight b8 are sequentially arranged on an oil return pipeline between the top line receiving tank and the fractionating tower along the conveying direction.
Preferably, the reaction system further comprises a negative pressure system, the negative pressure system comprises a buffer tank and a waste gas tank, the upper parts of the tower walls of the bottom line receiving tank, the side line receiving tank and the top line receiving tank are respectively provided with an air outlet connected with an air inlet arranged at the top of the buffer tank through a pipeline, and the pipelines between the top line receiving tank, the side line receiving tank and the buffer tank are respectively connected with a control valve nine b9, a control valve ten b10 and a control valve eleven b11 in series;
the buffer tank is also connected with the waste gas tank through a pipeline, and a control valve twelve b12, a vacuum pump p14 and a control valve thirteen b13 are sequentially arranged on the pipeline between the buffer tank and the waste gas tank along the conveying direction;
the waste gas tank is also connected with the burner through a pipeline, and the non-condensable gas in the waste gas tank is conveyed to the burner through the pipeline so as to be burnt by the burner. In particular, the non-condensable gas outlet of the waste gas tank is also connected to a first water-sealed tank to prevent backfire. Under the action of vacuum pump, the tower top, the middle section, the bottom and the top of the dewatering tower are in micro negative pressure state for oil transportation.
In order to facilitate refining, the oil distillation system further comprises an oxidation refining system, and the oxidation refining system comprises an oxidation tank, a plate filter, a semi-finished oil storage tank, a filter tank and a finished oil storage tank;
oil outlets are formed in the bottoms of the bottom line receiving tank and the side line receiving tank, an oil inlet and an oil outlet are formed in the oxidation tank, the oil inlet of the oxidation tank is connected with the oil inlet of the bottom line receiving tank through a pipeline, and a control valve fourteen b14, a control valve fifteen b15, a crude oil outlet pump p06 and a control valve sixteen b16 are sequentially connected in series on the pipeline between the oxidation tank and the bottom line receiving tank along the oil feeding direction; the oil outlet of the side line receiving tank is also connected to a pipeline between the control valve fourteen b14 and the control valve fifteen b15 through a pipeline, and the pipeline is also connected with a control valve seventeen b17 in series;
the number of the plate type filter is more than one, each plate type filter is provided with an oil inlet and an oil outlet, the oil inlet of each plate type filter is connected with the oil outlet of the oxidation tank through a pipeline, a control valve eighteen b18, an aging oil outlet pump p05 and a control valve nineteen b19 are sequentially connected in series on the pipeline between the plate type filter and the oxidation tank along the oil feeding direction, and preferably, the number of the plate type filter is two;
the semi-finished product oil storage tank is also provided with an oil inlet and an oil outlet, and the oil inlet of the semi-finished product oil storage tank is connected with the oil outlet of the plate filter through a pipeline;
the number of the filter tanks is more than one, each filter tank is provided with an oil inlet and an oil outlet, the oil inlets of the filter tanks are connected with the oil outlets of the semi-finished oil storage tanks through pipelines, a control valve twenty b20, a semi-finished oil outlet pump p04 and a control valve twenty-one b21 are sequentially connected in series on the pipeline between the filter tanks and the semi-finished oil storage tanks along the oil conveying direction, and activated carbon is arranged in the filter tanks and used for filtering oil; and the finished oil storage tank is provided with an oil inlet which is connected with the oil outlet of the filtering tank through a pipeline.
In order to prevent tempering, the top of the oxidation tank, the semi-finished oil storage tank and the finished oil storage tank are respectively provided with a non-condensable gas outlet which is connected with the burner through a pipeline, and a water-sealed tank II for preventing tempering is connected in series on a main pipeline which is connected between the burner and the oxidation tank, between the semi-finished oil storage tank and between the burner and the finished oil storage tank.
In order to facilitate the preheating of the raw oil, the oil distillation system further comprises a raw oil preheating system, the raw oil preheating system comprises a first heat exchanger, a second heat exchanger and a third heat exchanger, the first heat exchanger, the second heat exchanger and the third heat exchanger are respectively provided with an oil inlet, an oil outlet, a smoke inlet and a smoke outlet, the oil inlet of the first heat exchanger is used for inputting the raw oil, the oil outlet of the first heat exchanger is connected with the oil inlet of the second heat exchanger, the smoke inlet of the first heat exchanger is connected with the smoke outlet of the second heat exchanger, and the smoke outlet of the first heat exchanger is used for outputting smoke outwards;
an oil outlet of the second heat exchanger is connected with an oil inlet of the third heat exchanger, a smoke inlet of the second heat exchanger is connected with a smoke outlet of the third heat exchanger, and a smoke outlet of the distillation tower is connected with a smoke inlet of the second heat exchanger;
and the oil outlet of the third heat exchanger is connected with an oil inlet arranged at the middle upper part of the tower wall of the dehydration tower and supplies oil to the oil inlet, and the flue gas outlet of the combustor is also connected with a flue gas inlet of the third heat exchanger and supplies heat to the flue gas inlet.
In order to fully utilize heat energy to preheat raw oil, the raw oil preheating system further comprises a heat exchanger IV, a heat exchanger V and a heat exchanger VI, wherein the heat exchanger IV, the heat exchanger V and the heat exchanger VI are respectively provided with a heat exchange oil inlet, a heat exchange oil outlet, a raw oil inlet and a raw oil outlet, the raw oil inlet of the heat exchanger IV is connected with a raw oil supply pipeline and used for inputting raw oil, the raw oil outlet of the heat exchanger IV is connected with the raw oil inlet of the heat exchanger V, the heat exchange oil inlet of the heat exchanger IV is connected with the heat exchange oil outlet of the heat exchanger V, and the heat exchange oil outlet of the heat exchanger IV is connected with the cooling tower II phase to;
a raw material outlet oil port of the heat exchanger five is connected with a raw material inlet oil port of the heat exchanger six, and a heat exchange oil port of the heat exchanger five is connected with a side oil outlet of the fractionating tower;
and a heat exchange oil inlet of the heat exchanger six is connected with a bottom oil outlet arranged at the bottom of the fractionating tower, and a raw material oil outlet of the heat exchanger six is connected with an oil inlet of the heat exchanger I to input raw material oil.
In order to facilitate the treatment of waste gas, the oil distillation system further comprises a waste gas treatment system, the waste gas treatment system further comprises a waste water distiller, a first desulfurization dust remover, a second desulfurization dust remover, a centrifugal fan and a chimney, which are sequentially connected through a pipeline along the flue gas conveying direction, and a smoke outlet of the first heat exchanger is connected with a smoke inlet of the waste water distiller and used for outputting smoke to the waste water distiller.
In order to facilitate the treatment of oil and water, the oil material distillation system also comprises an oil and water treatment system, wherein the oil and water treatment system comprises a cooling tower IV and an oil and water separator which are sequentially arranged along the oil and water conveying direction;
the feed inlet of the cooling tower IV is connected with an oil outlet arranged at the top of the tower wall of the dehydration tower, and the oil distillation system further comprises a head oil receiving tank which is connected with an oil outlet arranged at the middle part of the oil-water separator and is used for storing oil, and a wastewater receiving tank which is connected with a water-gas outlet arranged at the top of the oil-water separator and is used for storing wastewater. And a water-gas outlet at the top of the oil-water separator is also connected with a waste gas tank, and waste gas in the oil-water separator can be stored in the waste gas tank.
In order to facilitate pressure relief, the oil material distillation system also comprises a pressure relief system which is respectively connected with the dehydrating tower, the distillation tower, the bottom line receiving tank and the side line receiving tank and is used for pressure relief. Namely, pressure release valves are arranged in the dehydrating tower, the distillation tower, the bottom line receiving tank and the side line receiving tank, each pressure release valve is connected to one pipeline, and an outlet is connected with a combustor to directly burn.
Preferably, the water-sealed tank comprises a tank body 1, a water inlet pipeline 11 is connected to the middle of the wall of the tank body 1, the other end of the water inlet pipeline 11 is connected with a water supply system and used for injecting water into the tank body 1, and a water outlet pipeline 12 for facilitating outward discharge of water in the tank body 1 is further arranged at the bottom of the wall of the tank body 1;
the first water-sealed tank further comprises a light gas input pipeline 2 and a light gas output pipeline 3, the light gas input pipeline 2 is connected between the residual oil storage tank and the tank body 1, the output end of the light gas input pipeline 2 extends into the tank body 1, the outlet of the output end is positioned at the middle lower part of the inner cavity of the tank body 1, and the light gas input pipeline 2 is also connected with a first valve in a pipeline positioned between the residual oil storage tank and the tank body 1; the light gas output pipeline 3 is connected between the burner and the tank body 1, the input end of the light gas output pipeline 3 extends into the tank body 1, the inlet position of the input end is positioned at the upper part of the inner cavity of the tank body 1, and the light gas output pipeline 3 is also connected with a second valve in a pipeline positioned between the burner and the tank body 1; the exit position of the output end of the light gas input pipeline 2 is lower than the entrance position of the input end of the light gas output pipeline 3, and the liquid level height position of the injected water in the tank body 1 is located between the exit position of the output end of the light gas input pipeline 2 and the entrance position of the input end of the light gas output pipeline 3.
Preferably, a first flame arrester is further connected to the light gas input pipeline 2, the first flame arrester is located on a pipeline between the first valve and the tank body 1, a second flame arrester is further connected to the light gas output pipeline 3, and the second flame arrester is located on a pipeline between the second valve and the tank body 1.
Preferably, the first flame arrester and the second flame arrester both include a first valve body 4 and a second valve body 5 which can be connected in series in the light gas output pipeline 3 or the light gas input pipeline 2, the outer peripheries of both axial ends of the first valve body 4 are provided with first flange flanges 41, the outer peripheries of both axial ends of the second valve body 5 are provided with second flange flanges 51, the adjacent ends of the first valve body 4 and the second valve body 5 are connected through the first flange flanges 41 and the second flange flanges 51 and are locked and fixed by a plurality of groups of bolt assemblies 7, the other ends of the first valve body 4 and the second valve body 5 are connected with the flange flanges of the pipelines in which the first valve body 4 and the second valve body 5 are arranged through the first flange flanges 41 and the second flange flanges 51 of the corresponding ends, at least one flame arrester plate 6 is arranged in each of the first valve body 4, a first accommodating groove 42 for installing the flame arrester plate 6 is arranged in the first valve body 4, a second accommodating groove 52 for installing the fire retardant plate 6 is formed in the second valve body 5; the fire retardant plate 6 is made of fireproof materials, and a plurality of hollowed-out air holes are distributed on the fire retardant plate 6.
Preferably, the upper part of the tank wall of the tank body 1 is further connected with a pressure relief pipeline 13 for communicating the inner cavity of the tank body 1 with the outside, the inlet position of the pressure relief pipeline 13 is located above the inlet position of the input end of the light gas output pipeline 3, and the pressure relief pipeline 13 is further connected with an automatic pressure relief valve for facilitating pressure relief in series.
Preferably, the first water-sealed tank further comprises an electronic water level sensor 8 and a control device, the electronic water level sensor 8 is arranged in the tank body 1 and is located at a height position between an inlet position of the light gas output pipeline 3 and an outlet position of an output end of the light gas input pipeline 2, the control device is respectively connected with the electronic water level sensor 8 and the water supply system, and when the electronic water level sensor 8 is triggered, the control device can control the water supply system to stop water injection.
Preferably, the distance L between the outlet position of the output end of the light gas input pipeline 2 and the position of the electronic water level sensor 8 is greater than or equal to 8 cm.
Preferably, the light gas input pipeline 2 and the light gas output pipeline 3 both adopt seamless steel pipes.
Preferably, the tank body 1 is further provided with a liquid level indicating device for displaying the height of the liquid level of water injected into the tank body 1, the liquid level indicating device comprises a liquid level indicating pipe 9 vertically arranged on the outer side of the tank wall of the tank body 1, and a bottom inlet and a top outlet of the liquid level indicating pipe 9 are respectively connected to the bottom and the top of the tank wall of the tank body 1; the liquid level indicator tube 9 is provided with scales arranged from bottom to top and an indicator mark for marking the height position of the liquid level of the water to be injected in the tank body 1.
Wherein the water content of the raw oil is not more than 5 percent, the slag content is not more than 5 percent, and the raw oil cannot contain non-alkane chemical products, the system is operated by continuous feeding, and the treatment capacity of the system is 30t/d (24 hours). The reaction is designed to use the pressure from plus 0.019mpa to minus 0.089mpa, the design temperature is 380 ℃ and 420 ℃, and the reaction is an atmospheric and vacuum device. The system has the following principle: different boiling points of all components in the waste oil are utilized for distillation and fractionation to obtain different components.
While the present invention has been shown and described with reference to particular embodiments and alternatives thereof, it will be understood that various changes and modifications can be made without departing from the spirit and scope of the invention. It is understood, therefore, that the invention is not to be limited, except as by the appended claims and their equivalents.
Claims (24)
1. An oil distillation system characterized by: the device comprises a reaction system, wherein the reaction system comprises a dehydration tower, a distillation tower, an adsorption tower, a catalytic tower, a fractionating tower, a cooling tower, a receiving tank, a combustor and a water supply system;
a raw oil inlet for inputting raw oil is arranged at the middle upper part of the tower wall of the dehydration tower, an oil outlet is arranged at the bottom of the dehydration tower, and an oil-water outlet is arranged at the top of the dehydration tower;
an oil inlet is formed in the middle upper part of the tower wall of the distillation tower, the oil inlet of the distillation tower is connected with the oil outlet of the dehydration tower through a pipeline, and a first control valve (b1), an oil outlet pump (p10) and a second control valve (b2) are sequentially connected in series on the pipeline between the distillation tower and the dehydration tower along the oil feeding direction; the wall of the distillation tower is also provided with a smoke inlet and a smoke outlet, the burner is connected with the smoke inlet of the distillation tower and supplies heat to the distillation tower, and the bottom of the distillation tower is also provided with a residual oil outlet for discharging residual oil generated after distillation reaction;
the adsorption tower is arranged above the distillation tower and communicated with the interior of the distillation tower, activated carbon is arranged in the adsorption tower and used for adsorbing light component oil generated by distillation reaction, and an oil outlet is formed in the top of the adsorption tower;
the catalytic tower is provided with more than one catalytic tower, the middle lower part of the tower wall of each catalytic tower is provided with an oil inlet connected with the oil outlet of the adsorption tower, a desulfurization adsorption catalyst for catalysis is arranged in each catalytic tower, and the top of each catalytic tower is also provided with an oil outlet;
an oil inlet connected with an oil outlet of the catalytic tower is formed in the lower portion of the tower wall of the fractionating tower, a bottom oil outlet is formed in the bottom of the tower wall of the fractionating tower, a side oil outlet is formed in the middle lower portion of the tower wall, and a top oil outlet is formed in the top of the tower wall;
the cooling tower comprises a first cooling tower, a second cooling tower and a third cooling tower which are respectively connected with a top oil outlet, a side oil outlet and a bottom oil outlet of the fractionating tower, and the water supply system is respectively connected with a water inlet and a water outlet of each cooling tower and supplies cold for the cooling towers;
the receiving tank comprises a top line receiving tank, a side line receiving tank and a bottom line receiving tank which are respectively connected with the first cooling tower, the second cooling tower and the third cooling tower and are used for storing oil.
2. An oil distillation system according to claim 1 wherein: the reaction system also comprises a residual oil storage tank, the residual oil storage tank is connected with a residual oil outlet of the distillation tower through a pipeline, and a third control valve (b3), a residual oil circulating pump (p09) and a fourth control valve (b4) are sequentially connected in series on the pipeline between the residual oil storage tank and the distillation tower along the conveying direction.
3. An oil distillation system according to claim 2 wherein: a return pipeline which is connected with a residual oil return port arranged at the middle upper part of the tower wall of the distillation tower in a bypass way to perform partial residual oil return is also connected to the pipeline connected between the residual oil circulating pump (p09) and the control valve IV (b4), and a control valve V (b5) positioned between the residual oil circulating pump (p09) and the distillation tower is also connected to the return pipeline in series.
4. An oil distillation system according to claim 2 wherein: the residual oil storage tank is also connected with the burner through a pipeline, and the non-condensable gas in the residual oil storage tank is conveyed to the burner through the pipeline so as to be burnt by the burner.
5. An oil distillation system according to claim 4 wherein: and a first water seal tank for preventing the flame in the burner from flowing back to the residual oil storage tank is connected in series on the pipeline between the residual oil storage tank and the burner.
6. An oil distillation system according to claim 1 wherein: the bottom of the tower wall of the distillation tower and the top of the tower wall of the fractionating tower are respectively provided with a non-condensable gas outlet which is connected with the combustor through a pipeline, and the non-condensable gas generated in the distillation tower and the fractionating tower is conveyed to the combustor through the corresponding pipelines to be combusted by the combustor.
7. An oil distillation system according to claim 1 wherein: and a reflux outlet is also formed in the bottom of the tower wall of each catalytic tower, and the reflux outlet of each catalytic tower is connected with the adsorption tower through a pipeline and used for refluxing the oil part in the catalytic tower to the adsorption tower so as to prevent the blockage of the adsorption tower.
8. An oil distillation system according to claim 1 wherein: the bottom of the top line receiving tank is provided with a top line oil return outlet, the top line oil return outlet of the top line receiving tank is connected with a top line oil return inlet arranged at the top of the tower wall of the fractionating tower through a pipeline and is used for returning partial oil, and a control valve seven (b7), a top line oil return pump (p12) and a control valve eight (b8) are sequentially arranged on an oil return pipeline between the top line receiving tank and the fractionating tower along the conveying direction.
9. An oil distillation system according to claim 1 wherein: the reaction system also comprises a negative pressure system, the negative pressure system comprises a buffer tank and a waste gas tank, the upper parts of the tower walls of the bottom line receiving tank, the lateral line receiving tank and the top line receiving tank are respectively provided with an air outlet which is connected with an air inlet arranged at the top of the buffer tank through a pipeline, and the pipelines between the top line receiving tank, the lateral line receiving tank and the buffer tank are respectively connected with a control valve nine (b9), a control valve ten (b10) and a control valve eleven (b11) in series;
the buffer tank is also connected with the waste gas tank through a pipeline, and a control valve twelve (b12), a vacuum pump (p14) and a control valve thirteen (b13) are sequentially arranged on the pipeline between the buffer tank and the waste gas tank along the conveying direction;
the waste gas tank is also connected with the burner through a pipeline, and the non-condensable gas in the waste gas tank is conveyed to the burner through the pipeline so as to be burnt by the burner.
10. An oil distillation system according to claim 1 wherein: the oil material distillation system also comprises an oxidation refining system, wherein the oxidation refining system comprises an oxidation tank, a plate filter, a semi-finished oil storage tank, a filter tank and a finished oil storage tank;
oil outlets are formed in the bottoms of the bottom line receiving tank and the side line receiving tank, an oil inlet and an oil outlet are formed in the oxidation tank, the oil inlet of the oxidation tank is connected with the oil inlet of the bottom line receiving tank through a pipeline, and a fourteen (b14) control valve, a fifteen (b15) control valve, a crude oil outlet pump (p06) and a sixteen (b16) control valve are sequentially connected in series on the pipeline between the oxidation tank and the bottom line receiving tank along the oil feeding direction; the oil outlet of the side line receiving tank is also connected to a pipeline between the fourteen (b14) control valves and the fifteen (b15) control valves through a pipeline, and a seventeen (b17) control valve is connected in series on the pipeline;
the number of the plate type filters is more than one, each plate type filter is provided with an oil inlet and an oil outlet, the oil inlet of each plate type filter is connected with the oil outlet of the oxidation tank through a pipeline, and an eighteen control valve (b18), an aging oil outlet pump (p05) and a nineteen control valve (b19) are sequentially connected in series on the pipeline between the plate type filter and the oxidation tank along the oil feeding direction;
the semi-finished product oil storage tank is also provided with an oil inlet and an oil outlet, and the oil inlet of the semi-finished product oil storage tank is connected with the oil outlet of the plate filter through a pipeline;
the number of the filter tanks is more than one, each filter tank is provided with an oil inlet and an oil outlet, the oil inlets of the filter tanks are connected with the oil outlets of the semi-finished oil storage tanks through pipelines, a control valve twenty (b20), a semi-finished oil outlet pump (p04) and a control valve twenty-one (b21) are sequentially connected in series on the pipeline between the filter tanks and the semi-finished oil storage tanks along the oil conveying direction, and activated carbon is arranged in the filter tanks and used for filtering oil; and the finished oil storage tank is provided with an oil inlet which is connected with the oil outlet of the filtering tank through a pipeline.
11. An oil distillation system according to claim 10 wherein: the top of oxidation tank, semi-manufactured goods oil storage tank and finished product oil storage tank all is equipped with the noncondensable gas export that is connected through the pipeline between with the combustor, still concatenates on the main line between connection combustor and oxidation tank, semi-manufactured goods oil storage tank and the finished product oil storage tank and has the water sealed jar two that are used for preventing the tempering.
12. An oil distillation system according to claim 1 wherein: the oil material distillation system further comprises a raw oil preheating system, the raw oil preheating system comprises a first heat exchanger, a second heat exchanger and a third heat exchanger, the first heat exchanger, the second heat exchanger and the third heat exchanger are respectively provided with an oil inlet, an oil outlet, a smoke inlet and a smoke outlet, the oil inlet of the first heat exchanger is used for inputting raw oil, the oil outlet of the first heat exchanger is connected with the oil inlet of the second heat exchanger, the smoke inlet of the first heat exchanger is connected with the smoke outlet of the second heat exchanger, and the smoke outlet of the first heat exchanger is used for outputting smoke outwards;
an oil outlet of the second heat exchanger is connected with an oil inlet of the third heat exchanger, a smoke inlet of the second heat exchanger is connected with a smoke outlet of the third heat exchanger, and a smoke outlet of the distillation tower is connected with a smoke inlet of the second heat exchanger;
and the oil outlet of the third heat exchanger is connected with an oil inlet arranged at the middle upper part of the tower wall of the dehydration tower and supplies oil to the oil inlet, and the flue gas outlet of the combustor is also connected with a flue gas inlet of the third heat exchanger and supplies heat to the flue gas inlet.
13. An oil distillation system according to claim 12 wherein: the raw oil preheating system further comprises a heat exchanger IV, a heat exchanger V and a heat exchanger VI, wherein the heat exchanger IV, the heat exchanger V and the heat exchanger VI are respectively provided with a heat exchange oil inlet, a heat exchange oil outlet, a raw oil inlet and a raw oil outlet, the raw oil inlet of the heat exchanger IV is connected with a raw oil supply pipeline for inputting raw oil, the raw oil outlet of the heat exchanger IV is connected with the raw oil inlet of the heat exchanger V, the heat exchange oil inlet of the heat exchanger IV is connected with the heat exchange oil outlet of the heat exchanger V, and the heat exchange oil outlet of the heat exchanger IV is connected with the cooling tower II to input side oil;
a raw material outlet oil port of the heat exchanger five is connected with a raw material inlet oil port of the heat exchanger six, and a heat exchange oil port of the heat exchanger five is connected with a side oil outlet of the fractionating tower;
and a heat exchange oil inlet of the heat exchanger six is connected with a bottom oil outlet arranged at the bottom of the fractionating tower, and a raw material oil outlet of the heat exchanger six is connected with an oil inlet of the heat exchanger I to input raw material oil.
14. An oil distillation system according to claim 12 wherein: the oil distillation system still includes exhaust-gas treatment system, exhaust-gas treatment system still includes along flue gas direction of delivery through waste water distiller, desulfurization dust remover one, desulfurization dust remover two, centrifugal fan and the chimney that the pipeline connects gradually, the outlet flue of heat exchanger one is connected with the inlet flue of waste water distiller and is used for exporting the flue gas to waste water distiller.
15. An oil distillation system according to claim 11 wherein: the oil material distillation system also comprises an oil-water treatment system, and the oil-water treatment system comprises a cooling tower IV and an oil-water separator which are sequentially arranged along the oil-water conveying direction;
the feed inlet of the cooling tower IV is connected with an oil outlet arranged at the top of the tower wall of the dehydration tower, and the oil distillation system further comprises a head oil receiving tank which is connected with an oil outlet arranged at the middle part of the oil-water separator and is used for storing oil, and a wastewater receiving tank which is connected with a water-gas outlet arranged at the top of the oil-water separator and is used for storing wastewater.
16. An oil distillation system according to claim 1 wherein: the oil material distillation system also comprises a pressure relief system which is respectively connected with the dehydrating tower, the distillation tower, the bottom line receiving tank and the lateral line receiving tank and is used for pressure relief.
17. An oil distillation system according to claim 5 wherein: the water-sealed tank comprises a tank body (1), wherein a water inlet pipeline (11) is connected to the middle of the wall of the tank body (1), the other end of the water inlet pipeline (11) is connected with a water supply system and used for injecting water into the tank body (1), and a water outlet pipeline (12) used for facilitating outward discharge of water in the tank body (1) is further arranged at the bottom of the wall of the tank body (1);
the first water-sealed tank further comprises a light gas input pipeline (2) and a light gas output pipeline (3), the light gas input pipeline (2) is connected between the residual oil storage tank and the tank body (1), the output end of the light gas input pipeline (2) extends into the tank body (1), the outlet position of the output end is located at the middle lower part of the inner cavity of the tank body (1), and the light gas input pipeline (2) is also connected with a first valve in a pipeline located between the residual oil storage tank and the tank body (1); the light gas output pipeline (3) is connected between the combustor and the tank body (1), the input end of the light gas output pipeline (3) extends into the tank body (1), the inlet position of the input end is positioned at the upper part of the inner cavity of the tank body (1), and the light gas output pipeline (3) is also connected with a second valve in a pipeline positioned between the combustor and the tank body (1); the exit position of the output end of the light gas input pipeline (2) is lower than the entrance position of the input end of the light gas output pipeline (3), and the liquid level height position of the injected water in the tank body (1) is located between the exit position of the output end of the light gas input pipeline (2) and the entrance position of the input end of the light gas output pipeline (3).
18. An oil distillation system according to claim 17 wherein: still be connected with first spark arrester on light gas input pipeline (2), first spark arrester is located the pipeline between first valve and the jar body (1), still be connected with the second spark arrester on light gas output pipeline (3), the second spark arrester is located the pipeline between second valve and the jar body (1).
19. An oil distillation system according to claim 18 wherein: the first flame arrester and the second flame arrester respectively comprise a first valve body (4) and a second valve body (5) which can be connected in series in a light gas output pipeline (3) or a light gas input pipeline (2), the peripheries of two axial ends of the first valve body (4) are respectively provided with a first flange (41), the peripheries of two axial ends of the second valve body (5) are respectively provided with a second flange (51), the adjacent ends of the first valve body (4) and the second valve body (5) are connected with the second flange (51) through the first flange (41) and are locked and fixed through a plurality of groups of bolt assemblies (7), the other ends of the first valve body (4) and the second valve body (5) are respectively connected with the flange of the pipeline in which the first flange (41) and the second flange (51) are corresponding to the other ends, at least one flame arrester plate (6) is arranged in the first valve body (4) and the second valve body (5), a first containing groove (42) for installing a fire retardant plate (6) is formed in the first valve body (4), and a second containing groove (52) for installing the fire retardant plate (6) is formed in the second valve body (5); the fire retardant plate (6) is made of fireproof materials, and a plurality of hollowed-out air gaps are distributed on the fire retardant plate (6).
20. An oil distillation system according to claim 17 wherein: the upper part of the tank wall of the tank body (1) is also connected with a pressure relief pipeline (13) which enables the inner cavity of the tank body (1) to be communicated with the outside, the inlet position of the pressure relief pipeline (13) is positioned above the inlet position of the input end of the light gas output pipeline (3), and an automatic pressure relief valve which is used for facilitating pressure relief is connected to the pressure relief pipeline (13) in series.
21. An oil distillation system according to claim 17 wherein: the first water-sealed tank further comprises an electronic water level sensor (8) and a control device, the electronic water level sensor (8) is arranged in the tank body (1) and is located at a height position between an inlet position of the light gas output pipeline (3) and an outlet position of the output end of the light gas input pipeline (2), the control device is respectively connected with the electronic water level sensor (8) and the water supply system, and when the electronic water level sensor (8) is triggered, the control device can control the water supply system to stop water injection.
22. An oil distillation system according to claim 21 wherein: the distance L between the outlet position of the output end of the light gas input pipeline (2) and the position of the electronic water level sensor (8) is more than or equal to 8 cm.
23. An oil distillation system according to claim 17 wherein: the light gas input pipeline (2) and the light gas output pipeline (3) both adopt seamless steel pipes.
24. An oil distillation system according to claim 17 wherein: the tank body (1) is also provided with a liquid level indicating device for displaying the height of the water injection liquid level in the tank body (1), the liquid level indicating device comprises a liquid level indicating pipe (9) vertically arranged on the outer side of the tank wall of the tank body (1), and a bottom inlet and a top outlet of the liquid level indicating pipe (9) are respectively connected to the bottom and the top of the tank wall of the tank body (1); the liquid level indicator tube (9) is provided with scales arranged from bottom to top and an indicator mark used for marking the height position of the liquid level of the water to be injected in the tank body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022495596.0U CN213475879U (en) | 2020-11-02 | 2020-11-02 | Oil distillation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022495596.0U CN213475879U (en) | 2020-11-02 | 2020-11-02 | Oil distillation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213475879U true CN213475879U (en) | 2021-06-18 |
Family
ID=76353300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022495596.0U Active CN213475879U (en) | 2020-11-02 | 2020-11-02 | Oil distillation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213475879U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112251255A (en) * | 2020-11-02 | 2021-01-22 | 尤溪县鑫辉润滑油再生利用有限公司 | Oil distillation system |
-
2020
- 2020-11-02 CN CN202022495596.0U patent/CN213475879U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112251255A (en) * | 2020-11-02 | 2021-01-22 | 尤溪县鑫辉润滑油再生利用有限公司 | Oil distillation system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5871618A (en) | Apparatus for reclaiming fuel oil from waste oil | |
| CN213475879U (en) | Oil distillation system | |
| CN202447098U (en) | Catalyst oil removing device | |
| CN113999703A (en) | System and process for efficiently eluting benzene hydrocarbon in coke oven gas | |
| CN102527448A (en) | Catalyst de-oiling method and device | |
| CN112251255A (en) | Oil distillation system | |
| CN103041687B (en) | Oil furnace flue gas purification compound tower integrating dust removal, smoke abatement and desulphurization | |
| CN106830605A (en) | A kind of sludge combination treatment method and device | |
| CN209722031U (en) | A kind of innocuity disposal system of the aqueous waste residue of oil-containing | |
| AU2019217861B2 (en) | Apparatus and method for a remediation plant | |
| RU2683267C1 (en) | Installation for processing liquid hydrocarbons | |
| CN112245974A (en) | Oil-water separation system | |
| CN216073446U (en) | Concentrated water oil removal system applied to DMTO device | |
| CN102225293A (en) | Oil gas recovery reactor for removing hydrogen sulfide gas from crude oil vapor | |
| CN103045286B (en) | Complex function list tower diesel oil or rocket engine fuel vacuum dewatering technique method | |
| CN104671305A (en) | Residual ammonia liquid treatment apparatus and technology | |
| CN204529353U (en) | A kind of residual ammonia water treatment device | |
| CN212731595U (en) | Combined heating furnace for glycol regeneration | |
| CN218306225U (en) | Overhead gas phase separation conveying and recycling system of chemical pressure reduction tower | |
| CN214512855U (en) | Oil-water separation system | |
| CN107586551B (en) | Equipment and method for extracting regenerated oil products from oil smoke in organic matter carbonization | |
| CN111589266A (en) | Combined heating furnace for glycol regeneration and use method | |
| CN216946680U (en) | Bypass oil collecting device of oil-containing sludge continuous pyrolysis equipment | |
| CN2693772Y (en) | Light hydrocarbon, gas and water three in one treatment apparatus | |
| CN207596787U (en) | Oil smoke extraction regeneration oil product equipment in organic carbon |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |