CN113637499A - Centralized treatment system and treatment process for water-containing sump oil of oil refinery - Google Patents
Centralized treatment system and treatment process for water-containing sump oil of oil refinery Download PDFInfo
- Publication number
- CN113637499A CN113637499A CN202110983761.3A CN202110983761A CN113637499A CN 113637499 A CN113637499 A CN 113637499A CN 202110983761 A CN202110983761 A CN 202110983761A CN 113637499 A CN113637499 A CN 113637499A
- Authority
- CN
- China
- Prior art keywords
- oil
- dirty
- pipe
- refinery
- water
- 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.)
- Pending
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G53/00—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes
- C10G53/02—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention discloses a centralized treatment system and a treatment process for water-containing dirty oil of an oil refinery, wherein the centralized treatment system for water-containing dirty oil of the oil refinery comprises a first dirty oil dehydration component and a second dirty oil dehydration component, the first dirty oil dehydration component comprises a first heater and a flash separator, the first heater and the flash separator are both designed and installed in a dirty oil treatment workshop of the oil refinery, the second dirty oil dehydration component comprises a heat exchanger, an oil-water separator and an electric dehydrator, the heat exchanger, the oil-water separator and the electric dehydrator are all designed and installed in the dirty oil treatment workshop of the oil refinery, and the treatment process comprises the steps of treating light dirty oil of the oil refinery and treating heavy dirty oil of the oil refinery. According to the invention, the dirty oil treatment is realized in a mode of combining the process flow and the technical equipment, the impact and influence of the dirty oil recycling on an oil refining device are reduced, the generation of hazardous waste is also reduced, and the environmental protection investment cost is favorably saved.
Description
Technical Field
The invention relates to the technical field of sump oil treatment, in particular to a centralized treatment system and a treatment process for water-containing sump oil in an oil refinery.
Background
For a long time, the treatment of the dirty oil of an oil refinery is a difficult problem, particularly the water-containing dirty oil, generally, after the dirty oil is stood and settled in a dirty oil tank, only part of water which is easy to remove can be removed, the water content of a small amount of the dirty oil on the upper part can be below 5%, but the water content of most of the dirty oil is still 40-70% and even higher, if the dirty oil is recycled to an atmospheric and vacuum device, because of the existence of the high-conductivity emulsion, the stable operation of the electric desalting equipment is seriously influenced, and a stubborn emulsion layer is formed at the oil-water interface position in the electric desalting tank in an accumulated manner, the dirty oil is formed again, the result is vicious circle in the system, and the problem of recycling the dirty oil is not fundamentally solved.
At present, in most oil refineries, the treatment of the water-containing dirty oil is carried out by settling and dewatering a dirty oil collecting storage tank or by means of flocculating agents, demulsifying and dewatering agents, heating and the like; for example, by using different types of dehydration demulsifiers, agent injection amounts, dehydration separation time increase and the like, a sump oil treatment scheme is not explored in a manner of combining a process flow, technical equipment and an efficient agent, so that impact and influence on an oil refining device are caused by sump oil recycling, even a large amount of hazardous wastes are generated, the environmental protection pressure is increased, and the environmental protection investment cost is increased.
Disclosure of Invention
Technical problem to be solved
The invention can solve the problem that the dirty oil recycling produces a plurality of adverse effects because the existing oil refinery water-containing dirty oil treatment does not adopt a mode of combining a process flow and technical equipment.
(II) technical scheme
In order to achieve the above object, in a first aspect, the present invention adopts the following technical solution, a centralized processing system for water-containing dirty oil in an oil refinery comprises a first dirty oil dehydration component and a second dirty oil dehydration component;
the first dirty oil dehydration component comprises a first heater and a flash separator, the first heater and the flash separator are both designed and installed in a dirty oil treatment workshop of an oil refinery, and the output end of the first heater is communicated with the input end of the flash separator;
the second dirty oil dehydration subassembly includes heat exchanger, oil water separator and electric dehydrator, the heat exchanger the oil water separator with the electric dehydrator is all designed and installed in oil refinery dirty oil treatment workshop, the heat exchanger output with the input of oil water separator is fixed the intercommunication, oil water separator's output with the input of electric dehydrator is fixed the intercommunication.
As a preferable technical scheme of the invention, a first booster pump is arranged on the output end of the flash separator.
As a preferable technical scheme of the present invention, a second booster pump is installed at an output end of the oil-water separator, a second heater is installed at an input end of the electric dehydrator, and the second booster pump is communicated with the second heater.
As a preferred technical solution of the present invention, the first heater includes a first pipe box, a first medium connection pipe, a first oil inlet pipe, a first oil outlet pipe, and a second medium connection pipe, the first pipe box is designed and installed in a dirty oil treatment plant of an oil refinery, the first medium connection pipe is fixedly communicated with a lower side of the first pipe box, the second medium connection pipe is fixedly communicated with an upper side of the first pipe box, the first medium connection pipe is matched with the second medium connection pipe, the first oil inlet pipe is fixedly communicated with an upper side of the first pipe box, the first oil outlet pipe is fixedly communicated with a lower side of the first pipe box, and the first oil inlet pipe is matched with the first oil outlet pipe.
In a preferred embodiment of the present invention, a lifting lug is fixedly connected to an upper side of the first tube box, and a saddle is fixedly connected to a lower side of the first tube box.
As a preferred technical scheme of the present invention, the flash separator includes a second pipe box, a second oil inlet pipe, a second oil outlet pipe and an air outlet pipe, the second pipe box is designed and installed in a dirty oil treatment workshop of an oil refinery, the second oil inlet pipe is fixedly communicated with one end of the lower side of the second pipe box, the second oil outlet pipe is fixedly communicated with the other end of the lower side of the second pipe box, the second oil inlet pipe is matched with the second oil outlet pipe, and the air outlet pipe is fixedly communicated with the upper side of the second pipe box.
As a preferable technical scheme of the invention, the heat exchanger is designed and installed in a dirty oil treatment workshop of an oil refinery, and the heat exchanger and the first heater have the same structure.
As a preferred technical scheme of the present invention, the oil-water separator includes a third channel, a third oil inlet pipe, a third oil outlet pipe and a first water outlet pipe, the third channel is designed and installed in a dirty oil treatment plant of an oil refinery, the third oil inlet pipe is fixedly communicated with one end of the lower side of the third channel, the third oil outlet pipe is fixedly communicated with the other end of the lower side of the third channel, the third oil inlet pipe is matched with the third oil outlet pipe, and the first water outlet pipe is fixedly communicated with the lower side of the third channel.
As a preferred technical scheme of the present invention, the electric dehydrator includes a fourth pipe box, a fourth oil inlet pipe, a fourth oil outlet pipe and a second drain pipe, the fourth pipe box is designed and installed in a dirty oil treatment workshop of an oil refinery, the fourth oil inlet pipe is fixedly communicated with a lower side of the fourth pipe box, the fourth oil outlet pipe is fixedly communicated with an upper side of the fourth pipe box, the fourth oil inlet pipe is matched with the fourth oil outlet pipe, and the second drain pipe is fixedly communicated with a lower side of the fourth pipe box.
In a second aspect, the invention further provides a process for treating the dirty oil containing water in the oil refinery, which comprises the following steps:
s1, treating the refinery light sump oil: injecting the refinery light dirty oil into a first heater, simultaneously injecting a heat medium into the first heater, treating the refinery light dirty oil by the first heater, flowing into a flash separator, and after treatment, pressurizing by a first booster pump, and collecting the refinery light dirty oil in a light dirty oil tank area;
s2, treating the oil refining heavy sump oil: and (3) injecting the heavy dirty oil from oil refining into the heat exchanger, injecting a cold medium into the heat exchanger, treating the heavy dirty oil from oil refining by the heat exchanger, allowing the heavy dirty oil to flow into an oil-water separator, treating the heavy dirty oil by an electric dehydrator after the heavy dirty oil passes through a second additional pump and a second heater, and collecting the heavy dirty oil in a tank area.
(III) advantageous effects
The centralized processing system of the water-containing dirty oil of the oil refinery provided by the invention is used, firstly, the light dirty oil of the oil refinery and the heavy dirty oil of the oil refinery are respectively injected into the first heater and the heat exchanger, and simultaneously, the heat medium and the cold medium are respectively injected into the first heater and the heat exchanger, then, on one hand, the light dirty oil of the oil refinery flows to the flash separator after being heated by the first heater, the separated gas is sent to a torch for processing, the light dirty oil is sent to the tank area for collecting, on the other hand, the heavy dirty oil of the oil refinery flows to the oil-water separator after being cooled by the heat exchanger, the separated water is discharged, the heavy dirty oil flows to the electric dehydrator, the removed water is discharged, the heavy dirty oil is sent to the tank area for collecting, the dirty oil processing is realized by combining the process flow and the technical equipment, the impact and the influence of the dirty oil recycling on the oil refinery device are reduced, and the generation of dangerous waste is also reduced, is favorable for saving the investment cost of environmental protection.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic flow diagram of the present invention;
FIG. 2 is a schematic view of a first heater of the present invention;
FIG. 3 is a schematic of a flash separator of the present invention;
FIG. 4 is a schematic view of the oil water separator of the present invention;
fig. 5 is a schematic diagram of an electric dehydrator of the present invention.
In the figure: 100. a first dirty oil dewatering component; 110. a first heater; 111. a first header; 112. a first medium connection pipe; 113. a first oil inlet pipe; 114. a first oil outlet pipe; 115. a second medium connection pipe; 116. lifting lugs; 117. a saddle; 120. a flash separator; 121. a second header; 122. a second oil inlet pipe; 123. a second oil outlet pipe; 124. an air outlet pipe; 130. a first booster pump; 200. a second dirty oil dewatering component; 210. a heat exchanger; 220. an oil-water separator; 221. a third header; 222. a third oil inlet pipe; 223. a third oil outlet pipe; 224. a first water outlet pipe; 230. an electric dehydrator; 231. a fourth tube box; 232. a fourth oil inlet pipe; 233. a fourth oil outlet pipe; 234. a second drain pipe; 240. a second booster pump; 250. a second heater.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "longitudinal", "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
As shown in fig. 1-5, a centralized processing system for water-containing dirty oil in an oil refinery comprises a first dirty oil dehydration assembly 100 and a second dirty oil dehydration assembly 200, wherein the first dirty oil dehydration assembly 100 and the second dirty oil dehydration assembly 200 are both designed and installed in a dirty oil treatment workshop of the oil refinery, the first dirty oil dehydration assembly 100 is used for dehydrating light dirty oil in the oil refinery, and the second dirty oil dehydration assembly 200 is used for dehydrating heavy dirty oil in the oil refinery, light dirty oil in the chemical industry, heavy dirty oil in the chemical industry and sweep oil in each device.
Referring to fig. 1, 2 and 3, the first dirty oil dewatering assembly 100 includes a first heater 110 and a flash separator 120;
the first heater 110 and the flash separator 120 are both designed and installed in a refinery effluent oil treatment plant;
the output of the first heater 110 is in communication with the input of the flash separator 120;
a first booster pump 130 is mounted on the output end of the flash separator 120;
the refinery light dirty oil is heated by the first heater 110 and then flows into the flash separator 120 for treatment, and after being pressurized by the first booster pump 130, the light dirty oil tank region and the crude oil tank region are collected;
the first heater 110 includes a first tube box 111, a first medium connection tube 112, a first oil inlet tube 113, a first oil outlet tube 114, and a second medium connection tube 115;
the first pipe box 111 is designed and installed in a dirty oil treatment workshop of an oil refinery;
for convenience of installation, a lifting lug 116 is fixedly connected to the upper side of the first pipe box 111, and a saddle 117 is fixedly connected to the lower side of the first pipe box 111;
the first medium connecting pipe 112 is fixedly communicated with the lower side of the first pipe box 111, the second medium connecting pipe 115 is fixedly communicated with the upper side of the first pipe box 111, and the first medium connecting pipe 112 is matched with the second medium connecting pipe 115 and used for circulating a heat supply medium;
the inlet of the heat medium is low-pressure superheated steam, the outlet of the heat medium is steam condensate, the inlet temperature is 220-250 ℃, the outlet temperature is 190 ℃, and the treatment capacity is 1000 kg/h;
the first oil inlet pipe 113 is fixedly communicated with the upper side of the first pipe box 111, the first oil outlet pipe 114 is fixedly communicated with the lower side of the first pipe box 111, and the first oil inlet pipe 113 is matched with the first oil outlet pipe 114 and used for flowing light dirty oil subjected to heating treatment;
the inlet temperature of the light dirty oil is 30-40 ℃, the outlet temperature is 80-90 ℃, and the treatment capacity is 10m at most3/h；
The flash separator 120 comprises a second tube box 121, a second oil inlet tube 122, a second oil outlet tube 123 and an air outlet tube 124;
the second pipe box 121 is designed and installed in a dirty oil treatment workshop of an oil refinery;
the second oil inlet pipe 122 is fixedly communicated with one end of the lower side of the second pipe box 121, the second oil outlet pipe 123 is fixedly communicated with the other end of the lower side of the second pipe box 121, the second oil inlet pipe 122 is matched with the second oil outlet pipe 123 and used for flowing the heated light dirty oil to carry out flash separation treatment, and after the treatment is finished, the light dirty oil removed tank area and the crude oil tank area are collected after the pressurization of the first booster pump 130;
the gas outlet pipe 124 is fixedly communicated with the upper side of the second pipe box 121, and the separated gas is sent to a torch for treatment.
Referring to fig. 1, 4 and 5, the second dirty oil dehydrating unit 200 includes a heat exchanger 210, an oil-water separator 220 and an electric dehydrator 230;
the heat exchanger 210, the oil-water separator 220 and the electric dehydrator 230 are all designed and installed in a dirty oil treatment workshop of an oil refinery;
the output end of the heat exchanger 210 is fixedly communicated with the input end of the oil-water separator 220;
the output end of the oil-water separator 220 is fixedly communicated with the input end of the electric dehydrator 230;
the output end of the oil-water separator 220 is provided with a second additional pump 240, the input end of the electric dehydrator 230 is provided with a second heater 250, and the second additional pump 240 is communicated with the second heater 250;
the oil refining heavy dirty oil, the chemical industry light dirty oil, the chemical industry heavy dirty oil and the sweep line oil of each device are cooled by the heat exchanger 210, then oil-water separation is carried out by the oil-water separator 220, wherein, water is discharged, the treated oil refining heavy dirty oil, the chemical industry light dirty oil, the chemical industry heavy dirty oil and the sweep line oil of each device pass through the second increasing pump 240 and the second heater 250 and then enter the electric dehydrator 230 for treatment, and finally the treated oil is sent to the crude oil tank area and the heavy dirty oil tank area to be collected, or is sent to the coking device for treatment;
the heat exchanger 210 is designed and installed in a dirty oil treatment workshop of an oil refinery, and the heat exchanger 210 has the same structure as the first heater 110;
when the heavy dirty oil is injected into the heat exchanger 210, the inlet temperature is 220-250 ℃, the outlet temperature is 190 ℃, and the treatment capacity is 20m3/h；
In use, a cold medium is injected into the heat exchanger 210The quality is circulating cooling water, the inlet temperature is 30 ℃, the outlet temperature is 42 ℃, and the treatment capacity is 60m3/h；
The oil-water separator 220 comprises a third tank 221, a third oil inlet pipe 222, a third oil outlet pipe 223 and a first water outlet pipe 224;
the third pipe box 221 is designed and installed in a dirty oil treatment workshop of an oil refinery;
the third oil inlet pipe 222 is fixedly communicated with one end of the lower side of the third tank 221, the third oil outlet pipe 223 is fixedly communicated with the other end of the lower side of the third tank 221, the third oil inlet pipe 222 is matched with the third oil outlet pipe 223, heavy dirty oil cooled by the heat exchanger 210 flows through for oil-water separation treatment, and then the second booster pump 240 and the second heater 250 flow to the electric dehydrator 230;
a first water outlet pipe 224 fixedly communicated with a lower side of the third tank 221, from which the separated water is discharged;
the electric dehydrator 230 includes a fourth tube box 231, a fourth oil inlet tube 232, a fourth oil outlet tube 233, and a second water outlet tube 234;
the fourth pipe box 231 is designed and installed in the dirty oil treatment workshop of the oil refinery;
the fourth oil inlet pipe 232 is fixedly communicated with the lower side of the fourth pipe box 231, the fourth oil outlet pipe 233 is fixedly communicated with the upper side of the fourth pipe box 231, and the fourth oil inlet pipe 232 is matched with the fourth oil outlet pipe 233 and used for circulating heavy dirty oil treated by the oil-water separator 220 and performing electric dehydration treatment;
the second drain pipe 234 is fixedly communicated with a lower side of the fourth pipe tank 231 for discharging water generated by the electro-dehydration process.
A process for treating the water-containing dirty oil of oil refinery includes the following steps:
s1, treating the refinery light sump oil: injecting the refined light dirty oil into a first heater 110, wherein the inlet temperature of the light dirty oil is 30-40 ℃, the outlet temperature of the light dirty oil is 80-90 ℃, and the treatment capacity is 10m at most3/h；
Meanwhile, injecting a heat medium into the first heater 110, wherein the inlet is low-pressure superheated steam, the outlet is steam condensate, the inlet temperature is 220-250 ℃, the outlet temperature is 190 ℃, and the treatment capacity is 1000 kg/h;
after being treated by the first heater 110, the refinery light dirty oil flows into the flash separator 120, and after the treatment is finished, the refinery light dirty oil is pressurized by the first booster pump 130 and then collected in a light dirty oil tank;
s2, treating heavy dirty oil of oil refining, light dirty oil of chemical industry, heavy dirty oil of chemical industry and line sweeping oil of each device: injecting heavy dirty oil of oil refining, light dirty oil of chemical industry, heavy dirty oil of chemical industry and sweep oil of each device into a heat exchanger 210, wherein when the heavy dirty oil is injected into the heat exchanger 210, the inlet temperature is 220-250 ℃, the outlet temperature is 190 ℃, and the treatment capacity is 20m3/h；
Meanwhile, the cold medium is injected into the heat exchanger 210 as circulating cooling water, the inlet temperature is 30 ℃, the outlet temperature is 42 ℃, and the treatment capacity is 60m3/h；
The oil refining heavy dirty oil flows into the oil-water separator 220 after being processed by the heat exchanger 210, and after the processing, the oil refining heavy dirty oil flows into the electric dehydrator 230 for processing after passing through the second booster pump 240 and the second heater 250, and finally the oil refining heavy dirty oil is collected in the heavy dirty oil tank area.
Specifically, the working principle of the centralized treatment system for the water-containing dirty oil in the oil refinery is as follows: firstly, the refinery light dirty oil and the refinery heavy dirty oil are respectively injected into the first heater 110 and the heat exchanger 210, and simultaneously, the heat medium and the cold medium are respectively injected into the first heater 110 and the heat exchanger 210, then, on one hand, the refinery light dirty oil flows into the flash separator 120 after being processed by the first heater 110, and is collected in the light dirty oil tank region by the first booster pump 130 after being processed, on the other hand, the refinery heavy dirty oil flows into the oil-water separator 220 after being processed by the heat exchanger 210, and is treated in the electric dehydrator 230 after passing through the second booster pump 240 and the second heater 250, and then is collected in the heavy dirty oil tank region.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A centralized treatment system for water-containing sump oil in an oil refinery is characterized by comprising:
the first dirty oil dehydration assembly (100), the first dirty oil dehydration assembly (100) comprises a first heater (110) and a flash separator (120), the first heater (110) and the flash separator (120) are both designed and installed in a refinery dirty oil treatment plant, and the output end of the first heater (110) is communicated with the input end of the flash separator (120);
second sump oil dehydration subassembly (200), second sump oil dehydration subassembly (200) include heat exchanger (210), oil water separator (220) and electric dehydrator (230), heat exchanger (210) oil water separator (220) with the electric dehydrator (230) are all designed and are installed in oil refinery sump oil treatment workshop, heat exchanger (210) output with the fixed intercommunication of input of oil water separator (220), the output of oil water separator (220) with the fixed intercommunication of input of electric dehydrator (230).
2. The centralized processing system for the aqueous dirty oil in the oil refinery as claimed in claim 1, wherein the output end of the flash separator (120) is provided with a first booster pump (130).
3. The centralized processing system of the dirty oil containing water in the oil refinery according to claim 1, wherein a second additional pump (240) is installed on the output end of the oil-water separator (220), a second heater (250) is installed on the input end of the electric dehydrator (230), and the second additional pump (240) is communicated with the second heater (250).
4. The centralized processing system of the dirty oil containing water in the oil refinery according to claim 1, the first heater (110) comprises a first pipe box (111), a first medium connecting pipe (112), a first oil inlet pipe (113), a first oil outlet pipe (114) and a second medium connecting pipe (115), the first pipe box (111) is designed and installed in a dirty oil treatment workshop of an oil refinery, the first medium connecting pipe (112) is fixedly communicated with the lower side of the first pipe box (111), the second medium connecting pipe (115) is fixedly communicated with the upper side of the first pipe box (111), the first medium connecting pipe (112) is matched with the second medium connecting pipe (115), the first oil inlet pipe (113) is fixedly communicated with the upper side of the first pipe box (111), the first oil outlet pipe (114) is fixedly communicated with the lower side of the first pipe box (111), the first oil inlet pipe (113) is matched with the first oil outlet pipe (114).
5. The centralized processing system of the water-containing dirty oil in the oil refinery according to claim 4, wherein a lifting lug (116) is fixedly connected to the upper side of the first pipe box (111), and a saddle (117) is fixedly connected to the lower side of the first pipe box (111).
6. The centralized treatment system for the water-containing dirty oil in the oil refinery according to claim 1, wherein the flash separator (120) comprises a second tank (121), a second oil inlet pipe (122), a second oil outlet pipe (123) and an air outlet pipe (124), the second tank (121) is designed and installed in a dirty oil treatment plant of the oil refinery, the second oil inlet pipe (122) is fixedly communicated with one end of the lower side of the second tank (121), the second oil outlet pipe (123) is fixedly communicated with the other end of the lower side of the second tank (121), the second oil inlet pipe (122) is matched with the second oil outlet pipe (123), and the air outlet pipe (124) is fixedly communicated with the upper side of the second tank (121).
7. The centralized processing system for the dirty oil containing water in the oil refinery according to claim 1, wherein the heat exchanger (210) is designed to be installed in a dirty oil processing plant of the oil refinery, and the heat exchanger (210) is the same as the first heater (110).
8. The centralized treatment system for the water-containing dirty oil of the oil refinery according to claim 1, wherein the oil-water separator (220) comprises a third tank (221), a third oil inlet pipe (222), a third oil outlet pipe (223) and a first water outlet pipe (224), the third tank (221) is designed to be installed in a dirty oil treatment plant of the oil refinery, the third oil inlet pipe (222) is fixedly communicated with one end of the lower side of the third tank (221), the third oil outlet pipe (223) is fixedly communicated with the other end of the lower side of the third tank (221), the third oil inlet pipe (222) is matched with the third oil outlet pipe (223), and the first water outlet pipe (224) is fixedly communicated with the lower side of the third tank (221).
9. The centralized treatment system for the water-containing dirty oil in the oil refinery according to claim 1, wherein the electric dehydrator (230) comprises a fourth pipe box (231), a fourth oil inlet pipe (232), a fourth oil outlet pipe (233) and a second water outlet pipe (234), the fourth pipe box (231) is designed and installed in a dirty oil treatment plant of the oil refinery, the fourth oil inlet pipe (232) is fixedly communicated with the lower side of the fourth pipe box (231), the fourth oil outlet pipe (233) is fixedly communicated with the upper side of the fourth pipe box (231), the fourth oil inlet pipe (232) is matched with the fourth oil outlet pipe (233), and the second water outlet pipe (234) is fixedly communicated with the lower side of the fourth pipe box (231).
10. A treatment process of water-containing dirty oil of an oil refinery is characterized by comprising the following steps:
s1, treating the refinery light sump oil: injecting the refinery light dirty oil into a first heater (110), simultaneously injecting a heat medium into the first heater (110), treating the refinery light dirty oil by the first heater (110), flowing into a flash separator (120), and after treatment, pressurizing by a first booster pump (130), and collecting the light dirty oil removed from a tank area;
s2, treating the oil refining heavy sump oil: and oil refining heavy dirty oil is injected into the heat exchanger (210), meanwhile, a cold medium is injected into the heat exchanger (210), the oil refining heavy dirty oil flows into the oil-water separator (220) after being treated by the heat exchanger (210), the oil refining heavy dirty oil enters the electric dehydrator (230) for treatment after being treated by the second additional pump (240) and the second heater (250), and finally the oil refining heavy dirty oil is collected in the oil removing tank area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110983761.3A CN113637499A (en) | 2021-08-25 | 2021-08-25 | Centralized treatment system and treatment process for water-containing sump oil of oil refinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110983761.3A CN113637499A (en) | 2021-08-25 | 2021-08-25 | Centralized treatment system and treatment process for water-containing sump oil of oil refinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113637499A true CN113637499A (en) | 2021-11-12 |
Family
ID=78423964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110983761.3A Pending CN113637499A (en) | 2021-08-25 | 2021-08-25 | Centralized treatment system and treatment process for water-containing sump oil of oil refinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113637499A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103102926A (en) * | 2011-11-10 | 2013-05-15 | 中国石油化工股份有限公司 | Crude oil electric desalting, and electric desalting sewage treatment method |
| CN107099325A (en) * | 2016-02-22 | 2017-08-29 | 中国石油化工股份有限公司 | A kind of method of sump oil desalting and dewatering |
| CN107129828A (en) * | 2017-06-08 | 2017-09-05 | 江苏金门能源装备有限公司 | A kind of sump oil integrated processing system and its processing method |
| CN206887034U (en) * | 2017-06-10 | 2018-01-16 | 丁智刚 | Oil plant heavy dirty oil flash-evaporation dehydration equipment |
| CN206940802U (en) * | 2017-05-13 | 2018-01-30 | 武汉轻工大学 | A kind of aqueous heavy dirty oil continuous dehydration freshening and wastewater reusing device |
| CN109370641A (en) * | 2018-11-30 | 2019-02-22 | 中国石油工程建设有限公司北京设计分公司 | A kind of heavy oil efficient process system and technique |
| CN109399888A (en) * | 2017-08-15 | 2019-03-01 | 中国石油化工股份有限公司 | The continuous desalting and dewatering method and apparatus of oily sludge |
| CN210140556U (en) * | 2019-05-16 | 2020-03-13 | 湖南天羽能源科技股份有限公司 | High-efficient dewatering device of ageing crude oil vacuum flash distillation |
| CN211814283U (en) * | 2020-03-20 | 2020-10-30 | 山东汇丰石化集团有限公司 | Refinery sump oil and scum decompression dewatering device |
| CN112760135A (en) * | 2020-12-29 | 2021-05-07 | 中国石油集团工程股份有限公司 | Short-flow processing system and method for crude oil |
| CN113025376A (en) * | 2019-12-25 | 2021-06-25 | 中国石油天然气股份有限公司 | Oil-water separation device and oil-water separation method |
-
2021
- 2021-08-25 CN CN202110983761.3A patent/CN113637499A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103102926A (en) * | 2011-11-10 | 2013-05-15 | 中国石油化工股份有限公司 | Crude oil electric desalting, and electric desalting sewage treatment method |
| CN107099325A (en) * | 2016-02-22 | 2017-08-29 | 中国石油化工股份有限公司 | A kind of method of sump oil desalting and dewatering |
| CN206940802U (en) * | 2017-05-13 | 2018-01-30 | 武汉轻工大学 | A kind of aqueous heavy dirty oil continuous dehydration freshening and wastewater reusing device |
| CN107129828A (en) * | 2017-06-08 | 2017-09-05 | 江苏金门能源装备有限公司 | A kind of sump oil integrated processing system and its processing method |
| CN206887034U (en) * | 2017-06-10 | 2018-01-16 | 丁智刚 | Oil plant heavy dirty oil flash-evaporation dehydration equipment |
| CN109399888A (en) * | 2017-08-15 | 2019-03-01 | 中国石油化工股份有限公司 | The continuous desalting and dewatering method and apparatus of oily sludge |
| CN109370641A (en) * | 2018-11-30 | 2019-02-22 | 中国石油工程建设有限公司北京设计分公司 | A kind of heavy oil efficient process system and technique |
| CN210140556U (en) * | 2019-05-16 | 2020-03-13 | 湖南天羽能源科技股份有限公司 | High-efficient dewatering device of ageing crude oil vacuum flash distillation |
| CN113025376A (en) * | 2019-12-25 | 2021-06-25 | 中国石油天然气股份有限公司 | Oil-water separation device and oil-water separation method |
| CN211814283U (en) * | 2020-03-20 | 2020-10-30 | 山东汇丰石化集团有限公司 | Refinery sump oil and scum decompression dewatering device |
| CN112760135A (en) * | 2020-12-29 | 2021-05-07 | 中国石油集团工程股份有限公司 | Short-flow processing system and method for crude oil |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104099171B (en) | A kind of continuous distillation process for waste lubricant oil regeneration | |
| CN103396830B (en) | Device and method for dehydrating heavy sump oil | |
| CN106433804A (en) | Trapping method and trapping system for tar in coal gas | |
| US2398338A (en) | Combination heater and water knockout apparatus for treating oil well streams | |
| WO2020001246A1 (en) | Method and apparatus for degassing and oil removal of acidic water | |
| CN113637499A (en) | Centralized treatment system and treatment process for water-containing sump oil of oil refinery | |
| CN204111441U (en) | A kind of oil removing iron removal filter system | |
| CN102010732B (en) | Method and device for condensing and recovering shale oil in gas tower section of oil shale distillation system | |
| CN101353592B (en) | Method and apparatus for diesel acid stripping | |
| CN209759078U (en) | A treatment facility for oiliness emulsion waste water | |
| CN108314241A (en) | Condensate polishing system and Ion exchange resin method | |
| CN211814283U (en) | Refinery sump oil and scum decompression dewatering device | |
| CN213492050U (en) | Cleaning liquid recovery system of hydrocarbon cleaning and drying equipment | |
| CN211035848U (en) | Useless animal and vegetable oil fibrous membrane water elution salt device | |
| CN107129828A (en) | A kind of sump oil integrated processing system and its processing method | |
| CN202297297U (en) | Condensate water purifying and recovering device for industrial boiler | |
| CN208944679U (en) | A kind of oil refining apparatus cleaning system | |
| CN203440313U (en) | Comprehensive utilization device of waste mineral oil | |
| CN104371759A (en) | Comprehensive utilization apparatus of waste mineral oil | |
| CN214936967U (en) | Be used for fatlute thermal desorption volatile separation recovery system | |
| CN111777214A (en) | Side oil filtering device | |
| CN201148419Y (en) | Lubricating oil distillation separation and regeneration equipment | |
| CN115161067B (en) | Crude oil electric desalting and dewatering process package for oil refinery | |
| CN205838778U (en) | A kind of sewage stripping after-purification water pre-treatment means | |
| RU85900U1 (en) | INSTALLATION FOR REGENERATION OF WASTE INDUSTRIAL OILS |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |