RU4293U1 - INSTALLATION OF PROCESSING OF HYDROCARBON RAW MATERIALS - Google Patents

Description

Hydrocarbon feed processing unit

The utility model relates to the area of technology for the processing of oil and condensate, mainly with a high content of dissolved gas in oil and condensate, and can be

used in the block construction of fuel option plants in the oil and petrochemical industries.

A known installation for the distillation of oil, which is a method of distillation of oil (A.SS.SSSR M6648IO, IPC C 10 G 7/00, published 23.07.91, OB No. 27.1991), including a device for heating the flow partially partially topped oil, an atmospheric distillation column equipped with a circulating irrigation device and having nozzles for introducing an oil flow, taking a gasoline fraction from the top and fuel oil from the bottom of the column, withdrawing side shoulder straps of kerosene, diesel fuel and atmospheric gas oil fractions, as well as a lower stripping section for easy boiling x dazelnogo components from the fraction of fuel and an upper stripper for stripping low-boiling components from the fraction of kerosene. The upper exits for the stripped light fractions of the stripping sections are connected to the column.

Common features with the claimed utility model are the presence of a distillation column having a lower residue outlet pipe, a gasoline fraction upper outlet pipe, a side diesel fraction outlet pipe, and a column irrigation circulation device, a stripping section for a diesel fuel fraction, the presence of heat exchangers, piping piping.

Might 10 e 7/00 - 2 quickly and efficiently assemble, disassemble and reuse at various installation sites using the modular construction principle. The design of the installation provides for strictly defined connections between its various parts and does not allow flexible changes in the set of products and products depending on the changing characteristics of the incoming flow and changing market needs, which also limits the efficiency of using your installation.

The closest technical solution to the claimed one is an oil refining unit (I.T.Bagirov Modern units for primary oil refining, M., Chemistry, 1974, p.29), including a feed unit containing a pump, heat exchanger, electric dehydrator, for oil dehydration which is connected through a heat exchanger to a stabilization column, which has a gas outlet pipe with light gasoline vapors, a partially topped oil outlet pipe, in the upper part of the column has an irrigation inlet pipe connected to the irrigation unit in the lower part The column has a nozzle for introducing a hot jet, which is connected to the heating unit - a tubular furnace. The outlet pipe for partially stripped oil is connected through a tube furnace to the inlet of the distillation column, which has pipes for the upper and side outputs of the required fractions - light oil products, a pipe for the lower residue output - fuel oil and a coolant supply pipe and equipped with an irrigation unit. The equipment of the installation is tied up by pipelines.

Common features with the claimed utility model are as follows: a feed supply unit connected to a feed inlet pipe of a feed stabilization column having gas and liquid outlet pipes, a hot jet inlet, a distillation column having 3 top and side light outlet pipes tsuktov, a branch pipe of the lower residue outlet and a hot stream input, an irrigation unit connected to a distillation column, a tube furnace, heat exchangers, piping.

This design of the installation does not provide the possibility of applying the complete block method, i.e. it does not allow to reduce construction time, improve the quality and level of factory readiness, unify design solutions, and standardize the method of installation of installations. As a result, this design does not allow increasing the efficiency of plant construction, thereby increasing the volume of processed hydrocarbon raw materials in a short time and providing various regions and industries with motor and boiler fuel depending on their needs. Such an installation does not allow the development of low-yield wells that are on conservation, because the construction and operation of this design is not effective due to the need for the construction of power lines, oil pipelines, etc.

- The inventive utility model allows to increase the efficiency of the construction of a hydrocarbon processing plant and thereby increase the volume of hydrocarbon processing and obtaining the necessary motor and boiler fuels, depending on the needs of different regions and industries, and allows the development of low-production wells that are on conservation, receive the necessary fuel directly at Durovye installations in remote areas to ensure their operation.

This is achieved by the fact that the well-known hydrocarbon processing plant, including a feed supply unit connected to a feed inlet pipe of a feed stabilization column, ((. V gas outlet pipe and gas outlet, hot jet inlet, distillation column having light upper and side outlet pipes oil, tsuktov, lower residue exit and hot stream input, irrigation unit, soy. price with distillation column, tube furnace, heat exchangers, piping, made in the form of functional blocks, namely, a block stabilization of raw materials, including a stabilization column for raw materials, a gasoline production unit, including a distillation column, a diesel fuel production unit, including a stripping column, each unit has an evaporator, which is connected to the corresponding column by the residue exit and hot jet inlets. Each unit has a rigid support frame, on which mounted the evaporator and the frame in which the column is installed above the evaporator, the columns are connected by pipelines and communications. Each unit is equipped with service sites. At the same time, the feedstock stabilization unit is connected to the gasoline production unit by connecting the stabilizer unit's vapor outlet outlet pipe to the evaporator inlet pipe or the distillation column inlet pipe of the gasoline production unit, after which the days are connected to the diesel fuel production unit by connecting the lateral oil product side pipe outlet to the distillation column with a pipe input stripping column. The installation also has a heat carrier heating unit connected to each evaporator. The heat carrier heating unit includes a unit consisting of a tank mounted on a rigid frame and connected by pipelines to a container block equipped with pumps, and a tubular furnace mounted on a rigid frame and tied up with pipelines and communications. - 4 in the form of (Zlokov.

The feed unit includes a tank mounted on a rigid frame and connected by pipelines to a container block equipped with pumps.

The irrigation unit includes a tank mounted on a rigid frame, connected by pipelines to a container block equipped with pumps, and a block of air cooling devices.

Each unit is equipped with communications and auxiliary equipment.

The installation also has a control unit, made in the form of a block box, including an operating room, an electrical compartment and a ventilation compartment.

The inventive combination provides an increase in the efficiency of the construction of a hydrocarbon processing plant due to the installation in the form of separate functional units that are unified in structural solutions, which can be made in the form of structures of railway dimensions of open and closed type, which makes it possible to almost complete production of the plant in the factory, allows minimize the number of redistributions in production and management, reduce construction and installation costs rip work.

The installation allows you to master low-production wells, previously located on conservation, because in addition to the flexibility of regulating the productivity of the installation, the range of products obtained, depending on the composition of the raw materials and the needs of industries and regions due to the ongoing connections between the units, the installation can work autonomously, i.e. It does not require connecting power lines, oil pipelines, etc., since this installation provides both the production of fuel used as a coolant and for an autonomous power installation. The achieved technical result of the installation allows its use in drilling rigs in remote areas. As a result of using the unit, it is possible to increase the volume of hydrocarbon feedstock processing and to obtain the necessary motor and boiler plants, depending on the needs of various industries and regions. Figure 1 presents a schematic diagram of an installation for processing hydrocarbon raw materials, figure 2 - block stabilization of raw materials, Fig.Z - block supply of raw materials, to :: .-; .... i. The hydrocarbon feedstock processing unit is made in the form of functional blocks, namely, the feed supply unit I (FIGL), the feedstock stabilization unit 2, the gasoline production unit 3, the irrigation unit 4, the diesel fuel production unit 5, the heat carrier heating unit 6. The unit I includes a tank 7, into which a heater can be integrated, connected to the pump 8. Block 2 includes a stabilization column for raw materials 9, equipped with plates and having gas outlet pipes 10 and liquid II and raw material inlet pipes 12 and hot stream 13. Column 9 installed over evaporate I am 14 and connected to it by pipes II and 13, the evaporator also has pipes for the output of the residue — stable condensate 15 and input – output of the coolant 16. Block 3 includes a distillation column 17, which has pipes for the upper 18 and lateral 19 for the output of light oil products, and for irrigation 20, input of the product of stripping 21, the lower output of residue 22 and the input of a hot stream 23. Column 17 is mounted above the evaporator 24 and connected to it by nozzles 22 and 23. The evaporator also has a nozzle for the inlet of stream 25 and the outlet - 6 - 7 -

26 and the inlet and outlet pipes of the coolant 27. Unit 3 also has an air-cooled heat exchanger 28, connected to the nozzle 26.

Block 4 includes a tank 29, connected to the pumps 30, and a heat exchanger, which is used as an air cooler 31.

Block 5 includes a stripping column 32, equipped with trays and having nozzles for fluid inlet 33, light fraction outlet 34, residue 35 and hot jet 36 inlet. Column 32 is mounted above evaporator 37 and connected to it by nozzles 35 and 36. Evaporator 37 has an outlet nozzle not $ heat, swept 38 and the input and output of the coolant 39. Block 5 also contains a heat exchanger, which is used as an air cooling apparatus 40.

Block 6 contains a tank. For coolant 41, soybeans, cinnamon with pump 42, and a tube furnace 43.

Block I is connected to block 2 by connecting the outlet pipe of the pump 8 to the pipe 12. Block 2 is connected to block 3 by connecting the pipe 15 to the pipe 2S. Block 3 is connected to block 4 by connecting the pipe 18 to the air cooler 31, and also by connecting the pump 30 to the pipe 20. In addition, block 3 is connected to block 5 by connecting the pipes 19 to pipe 33 and pipe 34 to pipe 21. Block 6 is connected to pipes 16,27,39 and, if necessary, with a heater of capacity 7 (communication lines in figure 1 are not shown).

Blocks 2,3,5 are structurally made similarly. To each other, therefore, FIG. 2 shows the casing of blocks, namely block 2. Block 2 has a rigidly supporting frame 44, on which an evaporator 14 and a frame 45 are mounted, in which vapor V / / the column 9 is installed by the body, the latter are tied up by pipelines and communications. In addition, block 2 is equipped with a service platform 46, Blocks 1,4 and 6 have identical designs and consist of a tank and a pump. O. Qing from the blocks, namely block I is presented in Fig. 3 and includes a rigid frame 47, on which a tank 7 is installed, connected by pipelines to the container block 48, equipped with pumps 49. The block has a service platform and is equipped with communications (in Fig. Not shown ) Heat exchangers 31,28,40, which are used. Air coolers, stuffed-cooling, made in the form of structural units equipped with communications. The tube furnace 43 is made in the form of a single structural unit equipped with communications. The installation also has a control unit, made in the vice unit box, which includes an operating room, an electrical compartment and a ventilation compartment. Each block is a design of a railway dimension of open or closed type. All units of the installation are manufactured at the factory and are subjected to control assembly. Pipelines and tanks included in the blocks are tested for strength and tightness. The design of the blocks allows, if necessary, installation of the installation without building foundations, minimizing the time and cost of building the installation, which consists mainly in placing the blocks on the site and connecting the blocks. Installation works as follows. Hydrocarbon condensate feed is supplied to tank 7. Sludge and water are removed from the condensate in tanks-sumps before installation (not shown in Fig. 1). The raw material, if necessary, is 6 / f x - 8 i-type, it can be heated to a predetermined temperature in a tank 7 and then with a temperature of 20 ° С, the condensate is pumped through a pipe 12 through a pipe 12 to the first plate of a column 9 operating at a pressure of 1.0 MPa. Stabilization gas with a temperature of 77-82 ° C leaves the distillation tube 10 and is sent to the fuel line. Stable condensate is discharged through the pipe II to the evaporator 14, where it is heated by the heat carrier to a temperature of 175-250 ° C, the vapor from the evaporator 14 is returned as a hot stream to the column 9 through the pipe 13, the condensate is discharged through the pipe 15, throttled to a pressure of 0.3 MPa and is fed through the pipe 25 to the evaporator 24. Such a supply of raw materials containing many light components to block 3 can significantly reduce the temperature of the bottom of the column 17 and prevent overheating of the coolant in the furnace 43 above. Depending on the composition of the feed, the residue from the evaporator 14 can be fed into the column 17. Through the pipe 18 of the column 17, gasoline fraction pairs having a temperature of 144-177 ° C are passed into the air cooling apparatus 31, cooled to a temperature, completely condensed and supplied in the tank 29, from where a part of the gasoline fraction is pumped by the pump to irrigate the top of the column 17 to the nozzle 20, the part can be returned to the inlet to the nozzle 25, and the balance surplus is sent to the finished goods warehouse. From the bottom of the column 17, a heavy residue is discharged through the pipe 22 to the evaporator 24, where it is heated to a temperature of 300 ° C, the evaporated part is returned as a hot stream through the pipe 23 to the column 17, and the residue is discharged through the pipe 26 and after cooling in the apparatus .111 cooling to 28. Y 9 at a temperature of 40 ° C is sent to the fleet and can be used as boiler fuel.

From the column 32, the dazel fraction is discharged through the nozzle 35 to the evaporator 37, where it is heated to a temperature of 290-295 ° С, while the impurities of the lighter fractions are returned through the nozzle 36 to the column 32, and the finished dazel fraction is discharged through the nozzle 38, then it is cooled in the apparatus air cooling 40 and sent to the finished park, duction

Heat supply to evaporators 14,24 and 37 and, if necessary. capacity, in the tank 7 is carried out using a closed flow of coolant circulating through the evaporators, heated in a tubular furnace to a temperature. Diesel fuel obtained at the installation is used as a fuel carrier.

96 - / ((

-10 GC

Claims (4)

1. Installation of hydrocarbon feedstock processing, including a feed supply unit connected to a feed inlet pipe of a feed stabilization column having gas and liquid outlet pipes, a hot stream inlet, a distillation column having light and oil top and side outlet pipes, a bottom residue exit and a hot feed jets, an irrigation unit connected to a distillation column, a tubular furnace, heat exchangers, piping, characterized in that the installation is made in the form of functional blocks, namely a block and stabilization of raw materials, including a stabilization column of raw materials, a gasoline production unit, including a distillation column, a diesel fuel production unit, including a stripping column, each unit has an evaporator, which is connected to the corresponding column by the outlet pipes for the remainder and the introduction of a hot stream, while each unit has a rigid support the frame on which the evaporator is mounted and the frame in which the column is mounted above the evaporator, the latter are tied with pipelines and communications, while the block of stabilization of raw materials with it is connected to the gasoline production unit by connecting the outlet pipe of the remainder of the evaporator of the stabilization unit to the inlet pipe of the evaporator of the gasoline production unit, and the latter is connected to the diesel production unit by connecting the side outlet pipe of the distillation column oil to the inlet of the stripping column, and the unit has a heating medium heating block connected to each evaporator, and the feed unit and the irrigation unit are made in the form of blocks.  2. Installation according to claim 1, characterized in that the heat carrier heating unit includes a unit consisting of a tank mounted on a rigid frame and a container block equipped with pumps and connected by pipelines to the tank, and also includes a tubular furnace connected to the container block mounted on a rigid frame and tied with pipelines and communications.  3. The installation according to claim 1, characterized in that the feed unit includes a tank mounted on a rigid frame, and a block container equipped with pumps and connected by pipelines to the tank.  4. The installation according to claim 1, characterized in that the irrigation unit includes a tank mounted on a rigid frame, a block container equipped with pumps and connected by pipelines to the tank, and a block of air coolers connected to the tank.