CN204779488U - Crude separation system - Google Patents
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- CN204779488U CN204779488U CN201520289448.XU CN201520289448U CN204779488U CN 204779488 U CN204779488 U CN 204779488U CN 201520289448 U CN201520289448 U CN 201520289448U CN 204779488 U CN204779488 U CN 204779488U
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Abstract
The utility model discloses a crude separation system, including flash trapping stage system and grade separation system be equipped with crude oil heating system between flash trapping stage system and the grade separation system, the flash trapping stage system includes oil and gas separator, is equipped with the anti -overflow and flows not blanket in oil and gas separator's lower part is equipped with crude oil import and oil -out, top gas outlet at oil and gas separator, the oil -out links to each other with oil pipeline, the gas outlet links to each other with natural gas line, oil pipeline links to each other with the grade separation system through crude oil heating system heating back, natural gas line links to each other with the combustor that sets up on crude oil heating system. The utility model discloses very big reduction in the natural gas carrying rate of liquid drop, make crude oil in gas -liquid separation efficiency be greater than 99.9%, realized the separation of crude oil petroleum company of the people's republic of china silt, sewage, crude oil and natural gas four -phase, suppressed equipment in the liquid level blast carry secretly the secondary of liquid with gaseous.
Description
Technical field
The utility model belongs to crude separation field, particularly a kind of crude separation system.
Background technology
In oil movement and storage sepn process, crude oil often solidifies because temperature is low, thus blocking pipe, cause frictional resistance large, impact is brought to production, in order to solve this problem, heating oil is effectively solve the measure that oil solidifies, utilize the oil-gas separator before process furnace by pipeline for process furnace provides fuel, but from the oil pressure transient of producing well exploitation, when pressure height, very soon can oil-gas separator to filling, the outlet of oil-gas separator is outwards carried too late, part crude oil is along with Sweet natural gas is from the outside overflow of natural gas port, and Sweet natural gas passes through pipeline, as fuel to petroleum equipment-process furnace supply.
Utility model content
For problems of the prior art, the utility model provides a kind of crude separation system, can effectively realize former oil separating and conveying.
For achieving the above object, the utility model is by the following technical solutions:
A kind of crude separation system, comprises flash trapping stage system and the second-order separation system, between described flash trapping stage system and the second-order separation system, is provided with crude oil heating system; Described flash trapping stage system comprises oil-gas separator, be provided with crude oil import and oil outlet in the bottom of oil-gas separator, in the air outlet, top of oil-gas separator, be provided with anti-overflow not blanket, described oil outlet is connected with oil pipeline, described air outlet is connected with natural gas line, described oil pipeline is connected with the second-order separation system after crude oil heating system heating, and described natural gas line is connected with the burner be arranged on crude oil heating system.
Described anti-overflow not blanket comprises the truncated cone-shaped sleeve be arranged in air outlet, described truncated cone-shaped sleeve and air outlet are coaxially arranged, between the upper bottom surface of truncated cone-shaped sleeve and air outlet, sealing connects, gap is left between inside the bottom surface circumference of truncated cone-shaped sleeve and air outlet, circumferentially block piece is provided with at the bottom surface of truncated cone-shaped sleeve, truncated cone-shaped division board is provided with in truncated cone-shaped sleeve inner, the bus of described truncated cone-shaped division board parallels with the bus of respective side truncated cone-shaped sleeve, and truncated cone-shaped division board upper bottom surface circular diameter is between truncated cone-shaped sleeve upper bottom surface circular diameter and bottom surface circular diameter, be connected with ball float through connecting rod in division board lower end, truncated cone-shaped cartridges sides between truncated cone-shaped division board upper bottom surface circular diameter and truncated cone-shaped sleeve upper bottom surface circular diameter is provided with ventilating pit.
Described block piece is be fixedly installed on the lever that truncated cone-shaped sleeve bottom surface is arranged towards direction, the bottom surface center of circle.
Described block piece is be fixedly installed on the concentric annular gas permeable net arranged of bottom surface, truncated cone-shaped sleeve bottom surface up and down circle.
Described crude oil heating system comprises process furnace and is arranged on the fiery cylinder in process furnace, and described fiery cylinder inwall is provided with water wall tube along fiery cylinder length direction, in water wall tube, be filled with heat transfer agent, and described fiery cylinder stretches out process furnace and is connected with burner.
The longitudinal section of described fiery cylinder is circle, and the central point of described water wall tube and the center of circle coincide and arrange, and are crisscross arranged between adjacent water wall tube, and the angle α between adjacent water wall tube is 60 ~ 90 °.
Described the second-order separation system comprises mixing bunker, the side at described mixing bunker top is provided with charging separator cartridge, its opposite side is provided with gas delivery cylinder, the top of described charging separator cartridge is provided with air outlet, the sidewall of charging separator cartridge is provided with material inlet, air outlet is provided with air communicating pipe, the other end cylinder separated from the gas of described air communicating pipe is connected, gas outlet is provided with at the top of gas delivery cylinder, bottom mixing bunker, side is provided with sand-removal device, opposite side is provided with oily-water seperating equipment, described charging separator cartridge is connected with mixing bunker by material separation device through pipeline.
Described sand-removal device comprise along mixing bunker length direction arrange wash tube be arranged on sewage draining exit corresponding with wash tube bottom mixing bunker, wash tube is provided with the pipe connecting stretching out mixing bunker; Described wash tube is cylindrical tube shape, and the cylinder barrel of wash tube is distributed with circular hole group along its length, and described circular hole group comprises two circular holes that the cylinder barrel of wash tube is arranged, in each circular hole group two circular holes axis between angle γ be 90 °; Angle β between the axis of described each circular hole and the cylinder barrel of wash tube is 45 °.
Described material separation device comprises and is placed in horizontally disposed circular transverse slat in charging separator cartridge, described circular transverse slat lower surface is provided with rectification pre-separation plate and carry out liquid eddy flow concentric plate in right-angled intersection, described rectification pre-separation plate and carry out liquid eddy flow concentric plate and form that cross is staggered is separated into four spaces by pipeline; Described come liquid eddy flow concentric plate be provided with manhole, the spacing between adjacent circular through hole is 50-80mm, and the diameter of manhole is 10-15mm.
Described oily-water seperating equipment comprises and is arranged on mixing bunker baffle plate bottom mixing bunker, profit room baffle plate, header, hydroecium, grease chamber, oil collect port, and described mixing bunker lower end and hydroecium communicate and be provided with water outlet, mixing bunker lower end and grease chamber and communicate and be provided with oil outlet; Described mixing bunker baffle plate is welded in mixing bunker, and described profit room baffle plate and mixing bunker baffle plate are in vertical distribution, and weld mutually, is divided into three independently chambers, and welds mutually between mixing bunker and grease chamber, hydroecium; Described mixing bunker middle and upper part and grease chamber are communicated by oil collect port, and sewage enters hydroecium by header and discharges through water outlet, and crude oil enters into grease chamber by oil collect port and discharges through oil outlet.
Compared with prior art, the beneficial effects of the utility model are: 1. the utility model structure is simple, can prevent oil from overflowing to other equipment from truncated cone-shaped upper cartridge natural gas line, preventing the pollution to other equipment, can also ensure that Sweet natural gas enters in natural gas line by truncated cone-shaped sleeve top circular through hole, is the well-off fuel of process furnace, to heating crude oil, reduce former oil viscosity, prevent line clogging, ensure that the normal operation of production; 2. the residence time of flame in fiery cylinder is increased by arranging of water wall tube, and do not produce eddy current by flame direct heating face at water wall tube, confuse flame transmission, blocked flame and discharge from fiery cylinder rapidly, more heat is existed in fiery cylinder, greatly strengthens heats; 3. the utility model greatly reduces the carrying rate of drop in Sweet natural gas, gas-liquid separation efficiency in crude oil is made to be greater than 99.9%, achieve the separation of oil sediment in crude oil, sewage, former oil and gas four phase, to inhibit in equipment liquid level blast and gas to the re-entrainment of liquid; 4. facilitate mixing bunker internal washing, blowdown of regularly removing sand, extend the work-ing life of equipment, ensure the safety of cleaning personnel, and not to environment; 5. the utility model can realize the clean container that do not stop production, without potential safety hazard, safe, reliable, environmentally friendly pollution-free in operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A-A view of Fig. 1.
Fig. 3 is the enlarged view of a-quadrant in the utility model embodiment 1.
Fig. 4 is the upward view of Fig. 3 middle sleeve and pin.
Fig. 5 is the enlarged view of a-quadrant in the utility model embodiment 2.
Fig. 6 is the upward view of Fig. 5 middle sleeve and gas-permeable nets.
Fig. 7 is the structural representation of the second-order separation system in the utility model.
Fig. 8 is the sectional view of sand-removal device in Fig. 7.
Fig. 9 is the C-C direction view of Fig. 8.
Figure 10 is the front view of material separation device in Fig. 7.
Figure 11 is the upward view of Figure 10.
Figure 12 is the B-B direction view of Fig. 7.
Embodiment
embodiment 1
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11 and Figure 12, the present embodiment crude separation system, comprise flash trapping stage system and the second-order separation system, between described flash trapping stage system and the second-order separation system, be provided with crude oil heating system; Described flash trapping stage system comprises oil-gas separator 1, be provided with crude oil import 2 and oil outlet 3 in the bottom of oil-gas separator, in the air outlet, top 4 of oil-gas separator, be provided with anti-overflow not blanket, described oil outlet is connected with oil pipeline 5, described air outlet is connected with natural gas line 6, described oil pipeline is connected with the second-order separation system after crude oil heating system heating, and described natural gas line is connected with the burner 7 be arranged on crude oil heating system.
The present embodiment anti-overflow not blanket comprises the truncated cone-shaped sleeve 8 be arranged in air outlet, described truncated cone-shaped sleeve and air outlet are coaxially arranged, between the upper bottom surface of truncated cone-shaped sleeve and air outlet, sealing connects, gap is left between inside the bottom surface circumference of truncated cone-shaped sleeve and air outlet, circumferentially block piece is provided with at the bottom surface of truncated cone-shaped sleeve, truncated cone-shaped division board 9 is provided with in truncated cone-shaped sleeve inner, this block piece is be fixedly installed on the lever 13 that truncated cone-shaped sleeve bottom surface is arranged towards direction, the bottom surface center of circle, the bus of described truncated cone-shaped division board parallels with the bus of respective side truncated cone-shaped sleeve, and truncated cone-shaped division board upper bottom surface circular diameter is between truncated cone-shaped sleeve upper bottom surface circular diameter and bottom surface circular diameter, be connected with ball float 11 through connecting rod 10 in division board lower end, truncated cone-shaped cartridges sides between truncated cone-shaped division board upper bottom surface circular diameter and truncated cone-shaped sleeve upper bottom surface circular diameter is provided with ventilating pit 12.
The fiery cylinder 16 that the present embodiment crude oil heating system comprises process furnace 15 and is arranged in process furnace, described fiery cylinder inwall is provided with water wall tube 17 along fiery cylinder length direction, in water wall tube, be filled with heat transfer agent, and described fiery cylinder stretches out process furnace and is connected with burner; The longitudinal section of described fiery cylinder is circle, and the central point of described water wall tube and the center of circle coincide and arrange, and are crisscross arranged between adjacent water wall tube, and the angle α between adjacent water wall tube is 60 °.
The present embodiment the second-order separation system comprises mixing bunker 18, the side at described mixing bunker top is provided with charging separator cartridge 19, its opposite side is provided with gas delivery cylinder 20, the top of described charging separator cartridge is provided with air outlet 21, the sidewall of charging separator cartridge is provided with material inlet 22, air outlet is provided with air communicating pipe 23, the other end cylinder separated from the gas of described air communicating pipe is connected, gas outlet 24 is provided with at the top of gas delivery cylinder, bottom mixing bunker, side is provided with sand-removal device, opposite side is provided with oily-water seperating equipment, described charging separator cartridge is connected with mixing bunker by material separation device through pipeline 25.
In the present embodiment sand-removal device comprise along mixing bunker length direction arrange wash tube 26 be arranged on sewage draining exit 27 corresponding with wash tube bottom mixing bunker, wash tube is provided with the pipe connecting 28 stretching out mixing bunker; Described wash tube is cylindrical tube shape, the cylinder barrel of wash tube is distributed with circular hole group along its length, described circular hole group comprises two circular holes 29 that the cylinder barrel of wash tube is arranged, in each circular hole group two circular holes axis between angle γ be 90 °; Angle β between the axis of described each circular hole and the cylinder barrel of wash tube is 45 °.
The present embodiment material separation device comprises and is placed in horizontally disposed circular transverse slat 30 in charging separator cartridge, described circular transverse slat lower surface be provided with rectification pre-separation plate 31 in right-angled intersection and carry out liquid eddy flow concentric plate 32, described rectification pre-separation plate and carry out liquid eddy flow concentric plate and form that cross is staggered is separated into four spaces by pipeline; Described come liquid eddy flow concentric plate be provided with manhole 33, the spacing between adjacent circular through hole is 50mm, and the diameter of manhole is 10mm.
The present embodiment oily-water seperating equipment comprises and is arranged on mixing bunker baffle plate 34 bottom mixing bunker, profit room baffle plate 35, header 37, hydroecium 38, grease chamber 39, oil collect port 40, described mixing bunker lower end and hydroecium communicate and are provided with water outlet 41, mixing bunker lower end and grease chamber and communicate and be provided with oil outlet 42; Described mixing bunker baffle plate is welded in mixing bunker, and described profit room baffle plate and mixing bunker baffle plate are in vertical distribution, and weld mutually, is divided into three independently chambers, and welds mutually between mixing bunker and grease chamber, hydroecium; Described mixing bunker middle and upper part and grease chamber are communicated by oil collect port, and sewage enters hydroecium by header and discharges through water outlet, and crude oil enters into grease chamber by oil collect port and discharges through oil outlet.
The working process of the present embodiment is as follows:
The crude oil exploited out enters in oil-gas separator from crude oil import, Sweet natural gas rises in separator, and to be entered in the burner process furnace by natural gas line from air outlet, separator top, to the fiery cylinder heating in process furnace, crude oil in oil-gas separator enters mixing bunker by oil pipeline through material inlet from oil outlet, the oil pipeline part heating that fire cylinder will be positioned in process furnace, reduces the viscosity of crude oil, crude oil is easily carried, when the crude oil that oil-gas separator enters is many, ball float drives truncated cone-shaped division board to rise through connecting rod, close contact between truncated cone-shaped division board and truncated cone-shaped sleeve, play sealing function, oil is effectively prevented to overflow to natural gas line from top, air outlet, prevent from blocking natural gas line, but gas still can enter into next turret vessel or device (process furnace) through the gap between truncated cone-shaped sleeve lower end and air outlet by the ventilating pit at truncated cone-shaped sleeve top, and ensure the normal operation of production, after crude oil enters oil-gas separator, the Sweet natural gas part contained in crude oil is separated, form two Entropy density deviation, so at the top of oil-gas separator always in gas phase state, when crude oil liquid level bottom oil-gas separator raises, truncated cone-shaped division board and truncated cone-shaped sleeve close contact, play sealing function, gas phase can only be compressed to greatest extent in container, and can not disappear, ensure that in container it is gas-liquid two-phase structure all the time, the Sweet natural gas at this moment entering pipeline by four, top ventilating pit is the well-off fuel of process furnace,
When crude oil enters the second-order separation system after flash trapping stage system and crude oil heating system, when crude oil after flash trapping stage system is entered in charging separator cartridge by material inlet, utilize the gravity of liquid self, first fall on circular transverse slat, crude oil is broken by the shock between crude oil and circular transverse slat, produce phase transformation, former oil and gas is made to be separated initial gross separation, crude oil after initial gross separation falls further, fall in the crude oil bottom charging separator cartridge and still have a large amount of Sweet natural gas, the crude oil falling into bottom impacts rectification pre-separation plate and carrys out liquid eddy flow concentric plate, owing to coming that liquid eddy flow concentric plate has manhole, again mechanical break milk separation is carried out to undergoing phase transition the crude oil after initial gross separation, inhibit liquid level waviness and gas again carrying secretly liquid in equipment, Sweet natural gas is separated substantially completely with crude oil, substantially the Sweet natural gas of 99.9% in crude oil is made to isolate, after crude oil enters mixing bunker by pipeline, the impurity such as the silt in crude oil rely on the effect of gravity to be deposited in bottom mixing bunker, gas-free oil is undergone phase transition, and form oil sediment from bottom to top, sewage, former oil and gas four phase layers of initial gross separation, water pump is connected by pipe connecting, sand-removal device is utilized regularly to clean and blowdown the oil sediment bottom mixing bunker is counter, outside water enters wash tube from pipe connecting, water is discharged and is stirred silt in circular hole, dilute with water and form mixture, then mixing bunker bottom blow-down mouth is opened, mixture is discharged, reach cleaning, blowdown object, the clean container that do not stop production can be realized, without potential safety hazard, safety in operation, reliably, environment friendly and pollution-free, oil sediment upper strata is the former oil and gas after sewage, initial gross separation successively, and crude oil is distributed in above sewage all the time, when the sewage quantity in mixing bunker increases, crude oil floats, and crude oil flows to grease chamber by oil collect port, and by being passed to oil pipeline outside oil outlet, meanwhile, the sewage in mixing bunker, by connecting pipe principle, is flow in hydroecium by header, and is drained by water outlet, and remain the height of header topmost in hydroecium.
embodiment 2
As shown in Figure 1, Figure 2, shown in Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11 and Figure 12, the present embodiment crude separation system, comprise flash trapping stage system and the second-order separation system, between described flash trapping stage system and the second-order separation system, be provided with crude oil heating system; Described flash trapping stage system comprises oil-gas separator 1, be provided with crude oil import 2 and oil outlet 3 in the bottom of oil-gas separator, in the air outlet, top 4 of oil-gas separator, be provided with anti-overflow not blanket, described oil outlet is connected with oil pipeline 5, described air outlet is connected with natural gas line 6, described oil pipeline is connected with the second-order separation system after crude oil heating system heating, and described natural gas line is connected with the burner 7 be arranged on crude oil heating system.
The present embodiment anti-overflow not blanket comprises the truncated cone-shaped sleeve 8 be arranged in air outlet, described truncated cone-shaped sleeve and air outlet are coaxially arranged, between the upper bottom surface of truncated cone-shaped sleeve and air outlet, sealing connects, gap is left between inside the bottom surface circumference of truncated cone-shaped sleeve and air outlet, circumferentially block piece is provided with at the bottom surface of truncated cone-shaped sleeve, truncated cone-shaped division board 9 is provided with in truncated cone-shaped sleeve inner, described block piece is be fixedly installed on the concentric annular gas permeable net 14 arranged of bottom surface, truncated cone-shaped sleeve bottom surface up and down circle, the bus of described truncated cone-shaped division board parallels with the bus of respective side truncated cone-shaped sleeve, and truncated cone-shaped division board upper bottom surface circular diameter is between truncated cone-shaped sleeve upper bottom surface circular diameter and bottom surface circular diameter, be connected with ball float 11 through connecting rod 10 in division board lower end, truncated cone-shaped cartridges sides between truncated cone-shaped division board upper bottom surface circular diameter and truncated cone-shaped sleeve upper bottom surface circular diameter is provided with ventilating pit 12.
The fiery cylinder 16 that the present embodiment crude oil heating system comprises process furnace 15 and is arranged in process furnace, described fiery cylinder inwall is provided with water wall tube 17 along fiery cylinder length direction, in water wall tube, be filled with heat transfer agent, and described fiery cylinder stretches out process furnace and is connected with burner; The longitudinal section of described fiery cylinder is circle, and the central point of described water wall tube and the center of circle coincide and arrange, and are crisscross arranged between adjacent water wall tube, and the angle α between adjacent water wall tube is 90 °.
The present embodiment the second-order separation system comprises mixing bunker 18, the side at described mixing bunker top is provided with charging separator cartridge 19, its opposite side is provided with gas delivery cylinder 20, the top of described charging separator cartridge is provided with air outlet 21, the sidewall of charging separator cartridge is provided with material inlet 22, air outlet is provided with air communicating pipe 23, the other end cylinder separated from the gas of described air communicating pipe is connected, gas outlet 24 is provided with at the top of gas delivery cylinder, bottom mixing bunker, side is provided with sand-removal device, opposite side is provided with oily-water seperating equipment, described charging separator cartridge is connected with mixing bunker by material separation device through pipeline 25.
In the present embodiment sand-removal device comprise along mixing bunker length direction arrange wash tube 26 be arranged on sewage draining exit 27 corresponding with wash tube bottom mixing bunker, wash tube is provided with the pipe connecting 28 stretching out mixing bunker; Described wash tube is cylindrical tube shape, the cylinder barrel of wash tube is distributed with circular hole group along its length, described circular hole group comprises two circular holes 29 that the cylinder barrel of wash tube is arranged, in each circular hole group two circular holes axis between angle γ be 90 °; Angle β between the axis of described each circular hole and the cylinder barrel of wash tube is 45 °.
The present embodiment material separation device comprises and is placed in horizontally disposed circular transverse slat 30 in charging separator cartridge, described circular transverse slat lower surface be provided with rectification pre-separation plate 31 in right-angled intersection and carry out liquid eddy flow concentric plate 32, described rectification pre-separation plate and carry out liquid eddy flow concentric plate and form that cross is staggered is separated into four spaces by pipeline; Described come liquid eddy flow concentric plate be provided with manhole 33, the spacing between adjacent circular through hole is 80mm, and the diameter of manhole is 15mm.
The present embodiment oily-water seperating equipment comprises and is arranged on mixing bunker baffle plate 34 bottom mixing bunker, profit room baffle plate 35, header 37, hydroecium 38, grease chamber 39, oil collect port 40, described mixing bunker lower end and hydroecium communicate and are provided with water outlet 41, mixing bunker lower end and grease chamber and communicate and be provided with oil outlet 42; Described mixing bunker baffle plate is welded in mixing bunker, and described profit room baffle plate and mixing bunker baffle plate are in vertical distribution, and weld mutually, is divided into three independently chambers, and welds mutually between mixing bunker and grease chamber, hydroecium; Described mixing bunker middle and upper part and grease chamber are communicated by oil collect port, and sewage enters hydroecium by header and discharges through water outlet, and crude oil enters into grease chamber by oil collect port and discharges through oil outlet.
The working process of the present embodiment is as follows:
The crude oil exploited out enters in oil-gas separator from crude oil import, Sweet natural gas rises in separator, and to be entered in the burner process furnace by natural gas line from air outlet, separator top, to the fiery cylinder heating in process furnace, crude oil in oil-gas separator enters mixing bunker by oil pipeline through material inlet from oil outlet, the oil pipeline part heating that fire cylinder will be positioned in process furnace, reduces the viscosity of crude oil, crude oil is easily carried, when the crude oil that oil-gas separator enters is many, ball float drives truncated cone-shaped division board to rise through connecting rod, close contact between truncated cone-shaped division board and truncated cone-shaped sleeve, play sealing function, oil is effectively prevented to overflow to natural gas line from top, air outlet, prevent from blocking natural gas line, but gas still can enter into next turret vessel or device (process furnace) through the gap between truncated cone-shaped sleeve lower end and air outlet by the ventilating pit at truncated cone-shaped sleeve top, and ensure the normal operation of production, after crude oil enters oil-gas separator, the Sweet natural gas part contained in crude oil is separated, form two Entropy density deviation, so at the top of oil-gas separator always in gas phase state, when crude oil liquid level bottom oil-gas separator raises, truncated cone-shaped division board and truncated cone-shaped sleeve close contact, play sealing function, gas phase can only be compressed to greatest extent in container, and can not disappear, ensure that in container it is gas-liquid two-phase structure all the time, the Sweet natural gas at this moment entering pipeline by four, top ventilating pit is the well-off fuel of process furnace,
When crude oil enters the second-order separation system after flash trapping stage system and crude oil heating system, when crude oil after flash trapping stage system is entered in charging separator cartridge by material inlet, utilize the gravity of liquid self, first fall on circular transverse slat, crude oil is broken by the shock between crude oil and circular transverse slat, produce phase transformation, former oil and gas is made to be separated initial gross separation, crude oil after initial gross separation falls further, fall in the crude oil bottom charging separator cartridge and still have a large amount of Sweet natural gas, the crude oil falling into bottom impacts rectification pre-separation plate and carrys out liquid eddy flow concentric plate, owing to coming that liquid eddy flow concentric plate has manhole, again mechanical break milk separation is carried out to undergoing phase transition the crude oil after initial gross separation, inhibit liquid level waviness and gas again carrying secretly liquid in equipment, Sweet natural gas is separated substantially completely with crude oil, substantially the Sweet natural gas of 99.9% in crude oil is made to isolate, after crude oil enters mixing bunker by pipeline, the impurity such as the silt in crude oil rely on the effect of gravity to be deposited in bottom mixing bunker, gas-free oil is undergone phase transition, and form oil sediment from bottom to top, sewage, former oil and gas four phase layers of initial gross separation, water pump is connected by pipe connecting, sand-removal device is utilized regularly to clean and blowdown the oil sediment bottom mixing bunker is counter, outside water enters wash tube from pipe connecting, water is discharged and is stirred silt in circular hole, dilute with water and form mixture, then mixing bunker bottom blow-down mouth is opened, mixture is discharged, reach cleaning, blowdown object, the clean container that do not stop production can be realized, without potential safety hazard, safety in operation, reliably, environment friendly and pollution-free, oil sediment upper strata is the former oil and gas after sewage, initial gross separation successively, and crude oil is distributed in above sewage all the time, when the sewage quantity in mixing bunker increases, crude oil floats, and crude oil flows to grease chamber by oil collect port, and by being passed to oil pipeline outside oil outlet, meanwhile, the sewage in mixing bunker, by connecting pipe principle, is flow in hydroecium by header, and is drained by water outlet, and remain the height of header topmost in hydroecium.
Claims (10)
1. a crude separation system, is characterized in that: comprise flash trapping stage system and the second-order separation system, between described flash trapping stage system and the second-order separation system, be provided with crude oil heating system; Described flash trapping stage system comprises oil-gas separator (1), be provided with crude oil import (2) and oil outlet (3) in the bottom of oil-gas separator, in the air outlet, top (4) of oil-gas separator, be provided with anti-overflow not blanket, described oil outlet is connected with oil pipeline (5), described air outlet is connected with natural gas line (6), described oil pipeline is connected with the second-order separation system after crude oil heating system heating, and described natural gas line is connected with the burner be arranged on crude oil heating system (7).
2. crude separation system according to claim 1, it is characterized in that: described anti-overflow not blanket comprises the truncated cone-shaped sleeve (8) be arranged in air outlet, described truncated cone-shaped sleeve and air outlet are coaxially arranged, between the upper bottom surface of truncated cone-shaped sleeve and air outlet, sealing connects, gap is left between inside the bottom surface circumference of truncated cone-shaped sleeve and air outlet, circumferentially block piece is provided with at the bottom surface of truncated cone-shaped sleeve, truncated cone-shaped division board (9) is provided with in truncated cone-shaped sleeve inner, the bus of described truncated cone-shaped division board parallels with the bus of respective side truncated cone-shaped sleeve, and truncated cone-shaped division board upper bottom surface circular diameter is between truncated cone-shaped sleeve upper bottom surface circular diameter and bottom surface circular diameter, be connected with ball float (11) through connecting rod (10) in division board lower end, truncated cone-shaped cartridges sides between truncated cone-shaped division board upper bottom surface circular diameter and truncated cone-shaped sleeve upper bottom surface circular diameter is provided with ventilating pit (12).
3. crude separation system according to claim 2, is characterized in that: described block piece is be fixedly installed on the lever (13) that truncated cone-shaped sleeve bottom surface is arranged towards direction, the bottom surface center of circle.
4. crude separation system according to claim 2, is characterized in that: described block piece is be fixedly installed on the concentric annular gas permeable net (14) arranged of bottom surface, truncated cone-shaped sleeve bottom surface up and down circle.
5. according to the arbitrary described crude separation system of claim 1-4, it is characterized in that: described crude oil heating system comprises process furnace (15) and is arranged on the fiery cylinder (16) in process furnace, described fiery cylinder inwall is provided with water wall tube (17) along fiery cylinder length direction, in water wall tube, be filled with heat transfer agent, described fiery cylinder stretches out process furnace and is connected with burner.
6. crude separation system according to claim 5, it is characterized in that: the longitudinal section of described fiery cylinder is circle, the central point of described water wall tube and the center of circle coincide and arrange, and are crisscross arranged between adjacent water wall tube, and the angle α between adjacent water wall tube is 60 ~ 90 °.
7. crude separation system according to claim 6, it is characterized in that: described the second-order separation system comprises mixing bunker (18), the side at described mixing bunker top is provided with charging separator cartridge (19), its opposite side is provided with gas delivery cylinder (20), the top of described charging separator cartridge is provided with air outlet (21), the sidewall of charging separator cartridge is provided with material inlet (22), air outlet is provided with air communicating pipe (23), the other end cylinder separated from the gas of described air communicating pipe is connected, gas outlet (24) is provided with at the top of gas delivery cylinder, bottom mixing bunker, side is provided with sand-removal device, opposite side is provided with oily-water seperating equipment, described charging separator cartridge is connected with mixing bunker by material separation device through pipeline (25).
8. crude separation system according to claim 7, it is characterized in that: described sand-removal device comprise along mixing bunker length direction arrange wash tube (26) be arranged on sewage draining exit (27) corresponding with wash tube bottom mixing bunker, wash tube is provided with the pipe connecting (28) stretching out mixing bunker; Described wash tube is cylindrical tube shape, the cylinder barrel of wash tube is distributed with circular hole group along its length, described circular hole group comprises two circular holes (29) that the cylinder barrel of wash tube is arranged, in each circular hole group two circular holes axis between angle γ be 90 °; Angle β between the axis of described each circular hole and the cylinder barrel of wash tube is 45 °.
9. crude separation system according to claim 8, it is characterized in that: described material separation device comprises and is placed in horizontally disposed circular transverse slat (30) in charging separator cartridge, described circular transverse slat lower surface is provided with rectification pre-separation plate (31) and carrys out liquid eddy flow concentric plate (32) in right-angled intersection, described rectification pre-separation plate and carry out liquid eddy flow concentric plate formation cross is staggered pipeline to be separated into four spaces; Described come liquid eddy flow concentric plate be provided with manhole (33), the spacing between adjacent circular through hole is 50-80mm, and the diameter of manhole is 10-15mm.
10. crude separation system according to claim 9, it is characterized in that: described oily-water seperating equipment comprises and is arranged on mixing bunker baffle plate (34) bottom mixing bunker, profit room baffle plate (35), header (37), hydroecium (38), grease chamber (39), oil collect port (40), described mixing bunker lower end and hydroecium communicate and are provided with water outlet (41), mixing bunker lower end and grease chamber and communicate and be provided with oil outlet (42); Described mixing bunker baffle plate is welded in mixing bunker, and described profit room baffle plate and mixing bunker baffle plate are in vertical distribution, and weld mutually, is divided into three independently chambers, and welds mutually between mixing bunker and grease chamber, hydroecium; Described mixing bunker middle and upper part and grease chamber are communicated by oil collect port, and sewage enters hydroecium by header and discharges through water outlet, and crude oil enters into grease chamber by oil collect port and discharges through oil outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520289448.XU CN204779488U (en) | 2015-05-07 | 2015-05-07 | Crude separation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520289448.XU CN204779488U (en) | 2015-05-07 | 2015-05-07 | Crude separation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204779488U true CN204779488U (en) | 2015-11-18 |
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| C14 | Grant of patent or utility model | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Crude oil separation system Effective date of registration: 20180517 Granted publication date: 20151118 Pledgee: Qingfeng County Rural Credit Cooperative Association Pledgor: Puyang Xingtai metal structure Products Co., Ltd Registration number: 2018990000376 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190325 Granted publication date: 20151118 Pledgee: Qingfeng County Rural Credit Cooperative Association Pledgor: Puyang Xingtai metal structure Products Co., Ltd Registration number: 2018990000376 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |