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CN211999584U - Oil product rectification separator - Google Patents

Oil product rectification separator Download PDF

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Publication number
CN211999584U
CN211999584U CN202020227112.1U CN202020227112U CN211999584U CN 211999584 U CN211999584 U CN 211999584U CN 202020227112 U CN202020227112 U CN 202020227112U CN 211999584 U CN211999584 U CN 211999584U
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oil
heat exchanger
diesel
gasoline
separator
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CN202020227112.1U
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陈天晓
陈榕
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Zhuhai Tianhui Energy Technology Co ltd
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Zhuhai Tianhui Energy Technology Co ltd
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Abstract

The utility model relates to an oil product rectifying separator, which comprises a rectifying separator, a heat exchanger, a diesel oil separator and a gasoline separator; the rectification separator, the heat exchanger, the diesel oil separator and the gasoline separator are all cylinders; the bottom sides of the four columns are provided with bases, and cross arms are fixed at the positions of the middle and the top sides; the four columns, the base and the cross arm form a skid-mounted structure. The utility model provides an oil product rectification separator, which realizes the rectification separation of oil products; by adopting a skid-mounted design, a plurality of devices are integrated on the four columns, so that the size is small, the weight is low, the occupied area is greatly reduced, and the manufacturing cost is low; the process pipeline and the installation material are saved, and the operation pressure is also reduced; the heat transfer efficiency is improved, and the installation and the maintenance are convenient; the oil flow mode is changed, the cost is saved, and the process flow is simplified; the method is convenient to use and simple to operate, can be used for atmospheric distillation and vacuum distillation, and is suitable for separation of various organic matters and fractionation of oil products.

Description

Oil product rectification separator
Technical Field
The utility model relates to a petrochemical field especially relates to an oil rectification separator.
Background
Crude oil distillation is to distill pretreated crude oil to obtain corresponding oil components in different temperature ranges. The existing crude oil distillation equipment is generally very high and heavy, needs a plurality of groups of heat exchangers and coolers, has large overall volume and has very high requirements on foundation load and wind load.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an oil rectification separator has changed distillation plant's material flow direction, heat transfer flow and equipment configuration mode, optimizes one set of distillation plant and makes up into mobilizable sled dress formula equipment, and is small, and weight is low, and area reduces by a wide margin, and the cost is low.
The utility model provides a technical scheme that its technical problem adopted is: an oil product rectifying separator comprises a rectifying separator, a heat exchanger, a diesel oil separator and a gasoline separator; the rectification separator, the heat exchanger, the diesel oil separator and the gasoline separator are all cylinders; the bottom sides of the four columns are provided with bases, and cross arms are fixed at the positions of the middle and the top sides; the four columns, the base and the cross arm form a skid-mounted structure.
Further, the rectification separator comprises a primary rectification section and a heavy oil heat exchanger connected to the bottom end of the primary rectification section; the primary rectification section is used for separating heavy oil components in crude oil gas to obtain first separated oil gas, discharging the first separated oil gas to the heat exchanger from the top end of the primary rectification section, and discharging the heavy oil components to the heavy oil heat exchanger at the bottom end; the heavy oil heat exchanger is used for cooling and discharging heavy oil components.
Further, the heat exchanger comprises a middle section reflux heat exchanger at the upper position; and the middle-section reflux heat exchanger is used for cooling and discharging the first separated oil gas obtained by the rectifying separator.
Further, the diesel separator comprises a diesel rectifying section and a diesel heat exchanger connected to the bottom end of the diesel rectifying section; the diesel oil rectifying section is used for separating diesel oil components in the first separated oil gas cooled by the middle-section reflux heat exchanger to obtain second separated oil gas, discharging the second separated oil gas to the gasoline separator from the top end of the diesel oil rectifying section, and discharging the diesel oil components to the diesel oil heat exchanger at the bottom end; the diesel oil heat exchanger is used for primarily cooling the diesel oil components and discharging the diesel oil components to the diesel oil cooler; the diesel oil cooler is arranged at a lower position of the heat exchanger; the diesel cooler is used for further cooling the diesel components and then discharging the cooled diesel components.
Further, the gasoline separator comprises a gasoline heat exchanger, a gasoline cooler and an oil-gas/oil-water separator which are sequentially connected from top to bottom; the gasoline heat exchanger is used for primarily cooling the second separated oil gas obtained by the diesel oil separator; the gasoline cooler further cools the second separated oil gas to obtain a third separated oil gas and a gasoline component; the oil gas/oil water separator is used for separating and respectively discharging the third separated oil gas, the gasoline component and the water.
Furthermore, the heavy oil heat exchanger, the middle-section reflux heat exchanger, the diesel oil heat exchanger and the gasoline heat exchanger all comprise a shell pass and a tube pass; the crude oil liquid sequentially passes through the shell side of a gasoline heat exchanger, the shell side of a diesel oil heat exchanger, the shell side of a heavy oil heat exchanger and the shell side of a middle-section reflux heat exchanger and then enters a heating furnace to be heated to obtain crude oil gas; the crude oil gas sequentially passes through the tube pass of the middle-section reflux heat exchanger, the tube pass of the diesel oil heat exchanger and the tube pass of the gasoline heat exchanger, and heavy oil components of the crude oil gas enter the tube pass of the heavy oil heat exchanger; and the shell pass and the tube pass exchange heat, so that the oil gas in the tube pass is gradually cooled, and the crude oil liquid in the shell pass is gradually heated.
Further, a first oil gas inlet is formed in the position close to the lower part of the primary rectification section, a first oil gas outlet is formed in the top end of the primary rectification section, the top end of a tube pass of the heavy oil heat exchanger is communicated with the bottom of the primary rectification section, a heavy oil outlet is formed in the bottom end of the tube pass, and a heavy oil heat exchanger shell pass inlet and a heavy oil heat exchanger shell pass outlet are respectively formed in two ends of the shell pass; the top end of the tube pass of the middle-section reflux heat exchanger is provided with a middle-section reflux heat exchanger tube pass inlet, the bottom end of the tube pass is provided with a middle-section reflux heat exchanger tube pass outlet, and the two ends of the shell pass are respectively provided with a middle-section reflux heat exchanger shell pass inlet and a middle-section reflux heat exchanger shell pass outlet; the diesel cooler is provided with a diesel inlet and a diesel outlet; a second oil gas inlet is formed in the position below the diesel oil rectifying section, a second oil gas outlet is formed in the top end of the diesel oil rectifying section, the top end of the tube pass of the diesel oil heat exchanger is communicated with the bottom of the diesel oil rectifying section, the bottom end of the tube pass is provided with a diesel oil heat exchanger tube pass outlet, and the two ends of the shell pass are respectively provided with a diesel oil heat exchanger shell pass inlet and a diesel oil heat exchanger shell pass outlet; the top end of the tube pass of the gasoline heat exchanger is provided with a gasoline heat exchanger tube pass inlet, the bottom end of the tube pass is communicated with a gasoline cooler, and the two ends of the shell pass are respectively provided with a gasoline heat exchanger shell pass inlet and a gasoline heat exchanger shell pass outlet; the bottom end of the gasoline cooler is communicated with the oil-gas separator; a third oil-gas outlet is arranged at the position close to the oil-gas/oil-water separator, and a gasoline outlet and a water outlet are arranged at the position close to the oil-gas/oil-water separator; the first oil gas inlet is externally connected with an outlet of the heating furnace, the first oil gas outlet is connected with a tube pass inlet of the middle-section reflux heat exchanger through a pipeline, the tube pass outlet of the middle-section reflux heat exchanger is connected with a second oil gas inlet through a pipeline, and the second oil gas outlet is connected with a tube pass inlet of the gasoline heat exchanger through a pipeline; a shell pass inlet of the gasoline heat exchanger is externally connected with a crude oil pump, a shell pass outlet of the gasoline heat exchanger is connected with a shell pass inlet of the diesel heat exchanger through a pipeline, a shell pass outlet of the diesel heat exchanger is connected with a shell pass inlet of the heavy oil heat exchanger through a pipeline, a shell pass outlet of the heavy oil heat exchanger is connected with a shell pass inlet of the middle section reflux heat exchanger through a pipeline, and a shell pass outlet of the middle section reflux heat exchanger is externally connected with an inlet of a; the heavy oil outlet is externally connected with heavy oil collecting equipment; the diesel oil outlet is externally connected with diesel oil collecting equipment; the third oil gas outlet is externally connected with light oil gas collecting equipment; the gasoline outlet is externally connected with gasoline collecting equipment, and the water outlet is externally connected with water collecting equipment.
Further, the diesel oil cooler is also provided with a diesel oil cooling water inlet and a diesel oil cooling water outlet; the gasoline cooler is also provided with a gasoline cooling water inlet and a gasoline cooling water outlet; the gasoline cooling water inlet is externally connected with a water pump, the gasoline cooling water outlet is connected with the diesel cooling water inlet through a pipeline, and the diesel cooling water outlet is externally connected with a water pool.
The utility model has the advantages that: the utility model provides an oil product rectification separator, which is characterized in that high-temperature oil gas enters and low-temperature products flow out, so as to realize the rectification separation of oil products; by adopting a skid-mounted design, a plurality of devices are integrated on the four columns, so that the size is small, the weight is low, the occupied area is greatly reduced, and the manufacturing cost is low; the design of direct-connection mixed loading is adopted, so that process pipelines and installation materials are saved, and the operation pressure is reduced; the installation mode of the heat exchanger and the cooler is changed, the heat transfer efficiency is improved, and the installation and the maintenance are convenient; the flow mode of oil products is changed, oil gas automatically flows for heat exchange, a middle-section hot oil circulating pump and a product hot oil extraction pump are omitted, the cost is further saved, and the process flow is simplified; the whole set of equipment can be manufactured and assembled in a factory, and is convenient to move; the size of the whole set of equipment can be designed and manufactured according to the production capacity; the method is convenient to use and simple to operate, can be used for atmospheric distillation and vacuum distillation, and is suitable for separation of various organic matters and fractionation of oil products.
Drawings
FIG. 1 is a schematic diagram of an oil product distillation separator of an embodiment;
FIG. 2 is a schematic diagram of a pipeline connection of an oil product distillation separator according to an embodiment.
Detailed Description
In order to deepen the understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and embodiments, which are only used for explaining the present invention and are not limited to the protection scope of the present invention.
Examples
As shown in fig. 1, the present embodiment provides an oil product distillation separator, which includes a distillation separator 1, a heat exchanger 2, a diesel oil separator 3, and a gasoline separator 4; the rectification separator 1, the heat exchanger 2, the diesel oil separator 3 and the gasoline separator 4 are cylinders; the bottom sides of the four columns are provided with bases 5, and cross arms 6 are fixed at the middle and top sides; the four columns, the base 5 and the cross arm 6 form a skid-mounted structure.
As shown in fig. 2, in the oil product rectifying separator of this embodiment, the rectifying separator 1 includes a primary rectifying section 11, and a heavy oil heat exchanger 12 connected to a bottom end of the primary rectifying section 11; the primary rectification section 11 is used for separating heavy oil components in the crude oil gas to obtain first separated oil gas, discharging the first separated oil gas to the heat exchanger 2 from the top end of the primary rectification section 11, and discharging the heavy oil components to the heavy oil heat exchanger 12 at the bottom end; the heavy oil heat exchanger 12 is used for cooling and discharging heavy oil components; the heat exchanger 2 comprises a middle section reflux heat exchanger 21 at an upper position; the middle-section reflux heat exchanger 21 is used for cooling and discharging the first separated oil gas obtained by the rectifying separator 1; the diesel separator 3 comprises a diesel rectifying section 31 and a diesel heat exchanger 32 connected to the bottom end of the diesel rectifying section 31; the diesel oil rectifying section 31 is used for separating diesel oil components in the first separated oil gas cooled by the middle-section reflux heat exchanger 21 to obtain second separated oil gas, discharging the second separated oil gas to the gasoline separator 4 from the top end of the diesel oil rectifying section 31, and discharging the diesel oil components to the diesel oil heat exchanger 32 at the bottom end; the diesel heat exchanger 32 is used for primarily cooling the diesel components and discharging the diesel components to the diesel cooler 22; the diesel cooler 22 is disposed at a lower position of the heat exchanger 2; the diesel oil cooler 22 is used for further cooling the diesel oil component and then discharging the diesel oil component; the gasoline separator 4 comprises a gasoline heat exchanger 41, a gasoline cooler 42 and an oil-gas/oil-water separator 43 which are sequentially connected from top to bottom; the gasoline heat exchanger 41 is used for primarily cooling the second separated oil gas obtained by the diesel oil separator 3; the gasoline cooler 42 further cools the second separated oil gas to obtain a third separated oil gas and a gasoline component; the oil gas/water separator 43 is used for separating and discharging the third separated oil gas, gasoline components and water respectively.
In the oil product rectifying separator of the embodiment, the heavy oil heat exchanger 12, the middle-stage reflux heat exchanger 21, the diesel oil heat exchanger 32, and the gasoline heat exchanger 41 all include a shell side and a tube side; the crude oil liquid sequentially passes through the shell side of the gasoline heat exchanger 41, the shell side of the diesel oil heat exchanger 32, the shell side of the heavy oil heat exchanger 12 and the shell side of the middle section reflux heat exchanger 21 and then enters a heating furnace to be heated to obtain crude oil gas; the crude oil gas sequentially passes through the tube pass of the middle-section reflux heat exchanger 21, the tube pass of the diesel oil heat exchanger 32 and the tube pass of the gasoline heat exchanger 41, and heavy oil components of the crude oil gas enter the tube pass of the heavy oil heat exchanger 12; and the shell pass and the tube pass exchange heat, so that the oil gas in the tube pass is gradually cooled, and the crude oil liquid in the shell pass is gradually heated.
In the oil product rectifying separator of this embodiment, a first oil-gas inlet 111 is disposed at a position below the primary rectification section 11, a first oil-gas outlet 112 is disposed at a top end, a top end of a tube pass of the heavy oil heat exchanger 12 is communicated with a bottom of the primary rectification section 11, a heavy oil outlet 121 is disposed at a bottom end of the tube pass, and a heavy oil heat exchanger shell pass inlet 122 and a heavy oil heat exchanger shell pass outlet 123 are respectively disposed at two ends of the shell pass; a middle-section reflux heat exchanger tube pass inlet 211 is arranged at the top end of the tube pass of the middle-section reflux heat exchanger 21, a middle-section reflux heat exchanger tube pass outlet 212 is arranged at the bottom end of the tube pass, and a middle-section reflux heat exchanger shell pass inlet 213 and a middle-section reflux heat exchanger shell pass outlet 214 are respectively arranged at the two ends of the shell pass; the diesel cooler 22 is provided with a diesel inlet 221 and a diesel outlet 222; a second oil gas inlet 311 is formed in the position below the diesel rectifying section 31, a second oil gas outlet 312 is formed in the top end of the diesel rectifying section 31, the top end of the tube side of the diesel heat exchanger 32 is communicated with the bottom of the diesel rectifying section 31, a diesel heat exchanger tube side outlet 321 is formed in the bottom end of the tube side, and a diesel heat exchanger shell side inlet 322 and a diesel heat exchanger shell side outlet 323 are respectively formed in two ends of the shell side; the top end of the tube side of the gasoline heat exchanger 41 is provided with a gasoline heat exchanger tube side inlet 411, the bottom end of the tube side is communicated with a gasoline cooler 42, and the two ends of the shell side are respectively provided with a gasoline heat exchanger shell side inlet 412 and a gasoline heat exchanger shell side outlet 413; the bottom end of the gasoline cooler 42 is communicated with an oil-gas separator 43; a third oil gas outlet 432 is arranged at the upper position of the oil gas/oil water separator 43, and a gasoline outlet 431 and a water outlet are arranged at the lower position of the oil gas/oil water separator; the first oil gas inlet 111 is externally connected with an outlet of a heating furnace, the first oil gas outlet 112 is connected with the tube pass inlet 211 of the middle-section reflux heat exchanger through a pipeline, the tube pass outlet 212 of the middle-section reflux heat exchanger is connected with the second oil gas inlet 311 through a pipeline, and the second oil gas outlet 312 is connected with the tube pass inlet 411 of the gasoline heat exchanger through a pipeline; a shell-side inlet 412 of the gasoline heat exchanger is externally connected with a crude oil pump, a shell-side outlet 413 of the gasoline heat exchanger is connected with a shell-side inlet 322 of the diesel heat exchanger through a pipeline, a shell-side outlet 323 of the diesel heat exchanger is connected with a shell-side inlet 122 of the heavy oil heat exchanger through a pipeline, a shell-side outlet 123 of the heavy oil heat exchanger is connected with a shell-side inlet 213 of the middle-section reflux heat exchanger through a pipeline, and a shell-side outlet 214 of the middle-section reflux; the heavy oil outlet 121 is externally connected with heavy oil collecting equipment; the diesel outlet 222 is externally connected with a diesel collecting device; the third oil gas outlet 432 is externally connected with light oil gas collecting equipment; the gasoline outlet 431 is externally connected with gasoline collecting equipment, and the water outlet is externally connected with water collecting equipment.
In the oil product rectifying separator of the embodiment, the diesel oil cooler 22 is further provided with a diesel oil cooling water inlet 223 and a diesel oil cooling water outlet 224; the gasoline cooler 42 is also provided with a gasoline cooling water inlet 421 and a gasoline cooling water outlet 422; the gasoline cooling water inlet 421 is externally connected with a water pump, the gasoline cooling water outlet 422 is connected with the diesel cooling water inlet 223 through a pipeline, and the diesel cooling water outlet 224 is externally connected with a water pool.
When the oil product rectification separator is used, crude oil gas at the temperature of 360-plus 380 ℃ obtained from the outlet of a heating furnace enters the rectification separator for separation, diesel oil is injected into the top end of the primary rectification section for forced reflux, the reflux temperature is controlled to be 320-plus 340 ℃, heavy oil components in the crude oil gas are removed to obtain first separated oil gas, and the heavy oil components are reduced to the temperature below 300 ℃ through a heavy oil heat exchanger and then are extracted through a heavy oil outlet; the first separated oil gas enters a middle section reflux heat exchanger of the heat exchanger to reduce the temperature to 220-260 ℃, then enters a diesel oil rectifying section of a diesel oil separator for separation, light oil is injected into the top end of the diesel oil rectifying section for forced reflux, the reflux temperature is controlled to be 90-120 ℃, superheated steam at about 400 ℃ is introduced into a gas stripping section of the diesel oil rectifying section for gas stripping, the diesel oil in the first separated oil gas is fully separated to obtain second separated oil gas, the diesel oil component is preliminarily cooled to 180-220 ℃ through the oil heat exchanger, and then is cooled to below 40 ℃ through a diesel oil cooler of the heat exchanger for discharge and collection; the second separated oil gas enters a gasoline separator, is subjected to preliminary temperature reduction through a gasoline heat exchanger, and is cooled to 25-35 ℃ through a gasoline cooler to form a liquid substance and a part of gaseous substance; part of gas, namely light oil gas, is discharged and collected through a third oil gas outlet of the oil gas/oil water separator, water of the liquid is discharged through a water outlet of the oil gas/oil water separator, and gasoline components are discharged and collected through a gasoline outlet; meanwhile, crude oil liquid at about 40 ℃ sequentially passes through the gasoline heat exchanger, the diesel heat exchanger, the heavy oil heat exchanger and the middle section reflux heat exchanger, oil gas in tube passes of the corresponding heat exchangers is cooled respectively, the crude oil liquid is heated gradually, the temperature after heat exchange is 240-380 ℃, and then the crude oil gas at 360-380 ℃ is formed through the heating furnace.
According to the oil product rectifying separator, high-temperature oil gas enters, and low-temperature products flow out, so that the oil product is rectified and separated; by adopting the skid-mounted design, a plurality of devices are integrated on the four columns, so that the size is small, the weight is low, the occupied area is greatly reduced, and the manufacturing cost is low; the design of direct-connection mixed loading is adopted, so that process pipelines and installation materials are saved, and the operation pressure is reduced; the installation mode of the heat exchanger and the cooler is changed, the heat transfer efficiency is improved, and the installation and the maintenance are convenient; the flow mode of oil products is changed, oil gas automatically flows for heat exchange, a middle-section hot oil circulating pump and a product hot oil extraction pump are omitted, the cost is further saved, and the process flow is simplified; the whole set of equipment can be manufactured and assembled in a factory, and is convenient to move; the size of the whole set of equipment can be designed and manufactured according to the production capacity; the method is convenient to use and simple to operate, can be used for atmospheric distillation and vacuum distillation, and is suitable for separation of various organic matters and fractionation of oil products.
The above-mentioned embodiments should not limit the present invention in any way, and all the technical solutions obtained by adopting equivalent replacement or equivalent conversion fall within the protection scope of the present invention.

Claims (8)

1. An oil rectification separator is characterized in that: comprises a rectification separator, a heat exchanger, a diesel oil separator and a gasoline separator; the rectification separator, the heat exchanger, the diesel oil separator and the gasoline separator are all cylinders; the bottom sides of the four columns are provided with bases, and cross arms are fixed at the positions of the middle and the top sides; the four columns, the base and the cross arm form a skid-mounted structure.
2. An oil product rectification separator as claimed in claim 1, wherein: the rectification separator comprises a primary rectification section and a heavy oil heat exchanger connected to the bottom end of the primary rectification section; the primary rectification section is used for separating heavy oil components in crude oil gas to obtain first separated oil gas, discharging the first separated oil gas to the heat exchanger from the top end of the primary rectification section, and discharging the heavy oil components to the heavy oil heat exchanger at the bottom end; the heavy oil heat exchanger is used for cooling and discharging heavy oil components.
3. An oil product rectification separator as claimed in claim 2, characterized in that: the heat exchanger comprises a middle section reflux heat exchanger at the upper position; and the middle-section reflux heat exchanger is used for cooling and discharging the first separated oil gas obtained by the rectifying separator.
4. An oil product rectification separator as claimed in claim 3, characterized in that: the diesel separator comprises a diesel rectifying section and a diesel heat exchanger connected to the bottom end of the diesel rectifying section; the diesel oil rectifying section is used for separating diesel oil components in the first separated oil gas cooled by the middle-section reflux heat exchanger to obtain second separated oil gas, discharging the second separated oil gas to the gasoline separator from the top end of the diesel oil rectifying section, and discharging the diesel oil components to the diesel oil heat exchanger at the bottom end; the diesel oil heat exchanger is used for primarily cooling the diesel oil components and discharging the diesel oil components to the diesel oil cooler; the diesel oil cooler is arranged at a lower position of the heat exchanger; the diesel cooler is used for further cooling the diesel components and then discharging the cooled diesel components.
5. An oil product rectification separator as claimed in claim 4, wherein: the gasoline separator comprises a gasoline heat exchanger, a gasoline cooler and an oil-gas/oil-water separator which are sequentially connected from top to bottom; the gasoline heat exchanger is used for primarily cooling the second separated oil gas obtained by the diesel oil separator; the gasoline cooler further cools the second separated oil gas to obtain a third separated oil gas and a gasoline component; the oil gas/oil water separator is used for separating and respectively discharging the third separated oil gas, the gasoline component and the water.
6. An oil product rectification separator as claimed in claim 5, wherein: the heavy oil heat exchanger, the middle-section reflux heat exchanger, the diesel oil heat exchanger and the gasoline heat exchanger all comprise a shell pass and a tube pass; the crude oil liquid sequentially passes through the shell side of a gasoline heat exchanger, the shell side of a diesel oil heat exchanger, the shell side of a heavy oil heat exchanger and the shell side of a middle-section reflux heat exchanger and then enters a heating furnace to be heated to obtain crude oil gas; the crude oil gas sequentially passes through the tube pass of the middle-section reflux heat exchanger, the tube pass of the diesel oil heat exchanger and the tube pass of the gasoline heat exchanger, and heavy oil components of the crude oil gas enter the tube pass of the heavy oil heat exchanger; and the shell pass and the tube pass exchange heat, so that the oil gas in the tube pass is gradually cooled, and the crude oil liquid in the shell pass is gradually heated.
7. An oil product rectification separator as claimed in claim 6, characterized in that: a first oil gas inlet is formed in the position below the primary rectification section, a first oil gas outlet is formed in the top end of the primary rectification section, the top end of a tube pass of the heavy oil heat exchanger is communicated with the bottom of the primary rectification section, a heavy oil outlet is formed in the bottom end of the tube pass, and a heavy oil heat exchanger shell pass inlet and a heavy oil heat exchanger shell pass outlet are formed in the two ends of a shell pass respectively; the top end of the tube pass of the middle-section reflux heat exchanger is provided with a middle-section reflux heat exchanger tube pass inlet, the bottom end of the tube pass is provided with a middle-section reflux heat exchanger tube pass outlet, and the two ends of the shell pass are respectively provided with a middle-section reflux heat exchanger shell pass inlet and a middle-section reflux heat exchanger shell pass outlet; the diesel cooler is provided with a diesel inlet and a diesel outlet; a second oil gas inlet is formed in the position below the diesel oil rectifying section, a second oil gas outlet is formed in the top end of the diesel oil rectifying section, the top end of the tube pass of the diesel oil heat exchanger is communicated with the bottom of the diesel oil rectifying section, the bottom end of the tube pass is provided with a diesel oil heat exchanger tube pass outlet, and the two ends of the shell pass are respectively provided with a diesel oil heat exchanger shell pass inlet and a diesel oil heat exchanger shell pass outlet; the top end of the tube pass of the gasoline heat exchanger is provided with a gasoline heat exchanger tube pass inlet, the bottom end of the tube pass is communicated with a gasoline cooler, and the two ends of the shell pass are respectively provided with a gasoline heat exchanger shell pass inlet and a gasoline heat exchanger shell pass outlet; the bottom end of the gasoline cooler is communicated with the oil-gas separator; a third oil-gas outlet is arranged at the position close to the oil-gas/oil-water separator, and a gasoline outlet and a water outlet are arranged at the position close to the oil-gas/oil-water separator; the first oil gas inlet is externally connected with an outlet of the heating furnace, the first oil gas outlet is connected with a tube pass inlet of the middle-section reflux heat exchanger through a pipeline, the tube pass outlet of the middle-section reflux heat exchanger is connected with a second oil gas inlet through a pipeline, and the second oil gas outlet is connected with a tube pass inlet of the gasoline heat exchanger through a pipeline; a shell pass inlet of the gasoline heat exchanger is externally connected with a crude oil pump, a shell pass outlet of the gasoline heat exchanger is connected with a shell pass inlet of the diesel heat exchanger through a pipeline, a shell pass outlet of the diesel heat exchanger is connected with a shell pass inlet of the heavy oil heat exchanger through a pipeline, a shell pass outlet of the heavy oil heat exchanger is connected with a shell pass inlet of the middle section reflux heat exchanger through a pipeline, and a shell pass outlet of the middle section reflux heat exchanger is externally connected with an inlet of a; the heavy oil outlet is externally connected with heavy oil collecting equipment; the diesel oil outlet is externally connected with diesel oil collecting equipment; the third oil gas outlet is externally connected with light oil gas collecting equipment; the gasoline outlet is externally connected with gasoline collecting equipment, and the water outlet is externally connected with water collecting equipment.
8. An oil product rectification separator as claimed in claim 6 or 7, characterized in that: the diesel cooler is also provided with a diesel cooling water inlet and a diesel cooling water outlet; the gasoline cooler is also provided with a gasoline cooling water inlet and a gasoline cooling water outlet; the gasoline cooling water inlet is externally connected with a water pump, the gasoline cooling water outlet is connected with the diesel cooling water inlet through a pipeline, and the diesel cooling water outlet is externally connected with a water pool.
CN202020227112.1U 2020-02-28 2020-02-28 Oil product rectification separator Active CN211999584U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020227112.1U CN211999584U (en) 2020-02-28 2020-02-28 Oil product rectification separator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020227112.1U CN211999584U (en) 2020-02-28 2020-02-28 Oil product rectification separator

Publications (1)

Publication Number Publication Date
CN211999584U true CN211999584U (en) 2020-11-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020227112.1U Active CN211999584U (en) 2020-02-28 2020-02-28 Oil product rectification separator

Country Status (1)

Country Link
CN (1) CN211999584U (en)

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