CN216518898U - Circulating cooling system for oil-gas mixed transportation - Google Patents
Circulating cooling system for oil-gas mixed transportation Download PDFInfo
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- CN216518898U CN216518898U CN202123264274.6U CN202123264274U CN216518898U CN 216518898 U CN216518898 U CN 216518898U CN 202123264274 U CN202123264274 U CN 202123264274U CN 216518898 U CN216518898 U CN 216518898U
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Abstract
The utility model relates to the field of oil-gas mixed transportation, in particular to a circulating cooling system for oil-gas mixed transportation, which comprises a heat collecting pipeline wound on an eccentric oil-gas mixing pump, wherein the output end of the heat collecting pipeline is connected with a heat releasing pipeline, the heat releasing pipeline is wound outside a basket filter, an oil inlet pipeline and an oil outlet pipeline in sequence, and heat-insulating and closed shells are also arranged outside the basket filter, the oil inlet pipeline and the oil outlet pipeline; the output end of the heat release pipeline is sequentially connected with a peristaltic pump and a three-way valve, and the other two ends of the three-way valve are connected with a heat supply pipeline and a heat dissipation pipeline; the tail ends of the heat supply pipeline and the heat dissipation pipeline are connected in parallel and then connected with the input end of the heat collection pipeline to form a closed pipeline; and a heat-conducting medium is filled in the closed pipeline. The oil-gas mixed transportation pump can be cooled by heat dissipation, crude oil can be preheated to a certain degree by using waste heat of the oil-gas mixed transportation pump, the flowability of the crude oil is ensured, and the oil-gas mixed transportation device can work more efficiently.
Description
Technical Field
The utility model relates to the field of oil-gas mixed transportation, in particular to a circulating cooling system for oil-gas mixed transportation.
Background
The petroleum resources used as industrial blood are increasingly depleted during the continuous exploitation process. Therefore, the technology for exploiting oil and gas in remote areas and deep sea is paid more and more attention by international scientific research institutions and organizations, and the development of the oil and gas mixed transportation technology is a popular technology in recent years. The oil-gas mixed transportation technology is a new technology for directly transporting crude oil products to a combined station by mixing and pressurizing, and compared with the traditional oil production technology, the oil-gas mixed transportation technology can reduce oil-gas separation equipment, reduce the number of gas transmission pipelines and greatly reduce the area of a platform. The breakthrough of the oil-gas mixed transportation technology can not only greatly reduce the engineering investment, but also has very important significance for realizing the complete recovery of the casing gas and the associated gas and prolonging the gathering and transportation radius of the oil-gas fully-closed gathering and transportation of the oil field, and simultaneously can reduce the back pressure of a wellhead, increase the yield of crude oil and natural gas, reduce the engineering investment and the underground maintenance workload and facilitate the production management. The method has considerable economic and social benefits, fully utilizes energy and improves environmental conditions. In the existing oil-gas mixed transportation integrated device, when the oil-gas mixed transportation integrated device works, the temperature of each mechanical sealing element of an oil-gas mixed transportation pump cannot be too high, if the oil-gas mixed transportation integrated device continuously operates under the condition of too high temperature, the dry grinding phenomenon of equipment parts can occur, and the dry grinding phenomenon can cause the ignition and explosion of natural gas. Therefore, when the oil-gas mixed transportation pump is used, the oil-gas mixed transportation pump body needs to be cooled continuously, and a circulating cooling system for oil-gas mixed transportation needs to be provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a circulating cooling system for oil-gas mixed transportation, which aims to solve the problem that dry grinding is easy to occur to cause fire explosion when an oil-gas mixed transportation pump in the existing oil-gas mixed transportation integrated device continuously operates for a long time.
In order to solve the technical problems, the utility model adopts the following technical means of the circulating cooling system for oil-gas mixed transportation: the oil-gas mixing pump comprises a heat collecting pipeline wound on an eccentric oil-gas mixing pump, wherein the output end of the heat collecting pipeline is connected with a heat releasing pipeline, the heat releasing pipeline is wound outside a basket filter, an oil inlet pipeline and an oil outlet pipeline in sequence, heat insulating and closed shells are further arranged outside the basket filter, the oil inlet pipeline and the oil outlet pipeline, and the heat releasing pipeline is positioned inside the shells; the output end of the heat release pipeline is connected with a peristaltic pump, the output end of the peristaltic pump is connected with a three-way valve, the other two ends of the three-way valve are connected with a heat supply pipeline and a heat dissipation pipeline, and a heat dissipation device is arranged on the heat dissipation pipeline; the tail ends of the heat supply pipeline and the heat dissipation pipeline are connected in parallel and then are connected with the input end of the heat collection pipeline; the heat collecting pipeline and the heat releasing pipeline are connected with the heat supplying pipeline and the heat dissipating pipeline to form a closed pipeline; and a heat-conducting medium is filled in the closed pipeline.
The circulating cooling system for oil-gas mixed transportation in the technical scheme has the following technical advantages: the oil-gas mixed transportation pump can be cooled by heat dissipation, and crude oil can be preheated to a certain extent by using waste heat of the oil-gas mixed transportation pump, so that the flowability of the crude oil is ensured, and the oil-gas mixed transportation device can work more efficiently; the oil-gas multiphase pump heat dissipation device is provided with the heat dissipation pipeline, when the external temperature is too high in summer or the heat production quantity of the oil-gas multiphase pump is large, the three-way valve can be switched to enable the heat dissipation pipeline to be communicated with the heat dissipation pipeline, the heat dissipation pipeline has a large heat dissipation area, the heat dissipation effect of a heat conduction medium in the closed pipeline is better when the heat dissipation is carried out, and the heat dissipation of the whole closed pipeline on the eccentric oil-gas multiphase pump is further improved.
As a preferred scheme, the heat-conducting medium is insulating heat-conducting oil; the insulating heat conduction oil has good heat conductivity, and the heat dissipation and cooling effects of the oil-gas multiphase pump can be better.
As a preferred scheme, a heating device is arranged on the heat supply pipeline and used for heating a heat-conducting medium in the heat supply pipeline; when the external temperature is close to the freezing point, the heating device can heat the heat-conducting medium in the heat-supplying pipeline to prevent the heat-conducting medium from freezing, after the heat-conducting medium passes through the heat-supplying pipeline heated by the heating device, the heat-supplying medium passes through the basket filter, the oil inlet pipeline and the oil outlet pipeline to heat crude oil to a certain degree, the flowability of the crude oil in the oil-gas mixed transportation device is ensured in winter, meanwhile, the heat-conducting medium passing through the heat collection pipeline can also provide certain heat for the eccentric oil-gas mixed transportation pump, and the starting and the running of the eccentric oil-gas mixed transportation pump are ensured.
As a preferred scheme, the heating device is a heating resistance wire or an electromagnetic heater wound on a heat supply pipeline; the heating resistance wire can heat the pipeline through the eddy current after the circular telegram, and the pipeline gives heat transfer for heat-conducting medium to better heat the crude oil that gets into oil gas defeated device with mixing.
As a preferred scheme, the heat dissipation device is a finned heat exchanger, and the finned heat exchanger is arranged on a heat supply pipeline; the fin type heat exchanger is convenient to install.
Preferably, the heat dissipation device is a heat dissipation fin, and the heat dissipation fin is arranged on a heat dissipation pipeline; the radiating fins can be installed according to actual needs, and a proper radiating effect is selected according to the number and the size of the radiating fins.
As a preferred scheme, a cooling fan is arranged beside the fin type heat exchanger or the cooling fin; the heat radiation fan can improve the heat radiation efficiency of the heat conducting medium in the heat radiation pipeline.
As a preferred scheme, the oil-gas mixed transportation pump groups are divided into two groups, and the two groups of oil-gas mixed transportation pump groups are connected in parallel between an output pipeline and a diversion pipeline; the heat collection pipeline is wound on the two eccentric oil-gas mixing pumps in series.
Drawings
FIG. 1 is a schematic view of the present invention installed on an oil-gas mixture transportation integrated device;
FIG. 2 is a schematic diagram of the present invention.
The main part symbols in the figures are explained as follows:
1. an oil inlet pipeline; 2. an oil outlet pipeline; 3. a first high pressure electrically operated valve; 4. a safety valve; 5. an output pipe; 6. a diversion pipeline; 7. a first gate valve; 8. a basket filter; 9. a second gate valve; 10. a check valve; 11. an energy storage device; 12. an eccentric oil-gas mixed transportation pump; 13. a second high pressure electrically operated valve; 14. a horizontal explosion-proof speed reducer; 15. a heat collection pipe; 16. a peristaltic pump; 17. a three-way valve; 18. a heat supply pipeline; 19. a heat dissipation pipe; 20. a heat sink; 21. a housing; 22. a heat release conduit; 23. and (4) a heating device.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1 and 2, the oil-gas mixed transportation integrated device comprises a prying frame welding main body, an oil outlet pipeline 1 and an oil inlet pipeline 2 which are arranged on the prying frame welding main body, wherein a first high-pressure electric valve 3 is connected between the oil outlet pipeline 2 and the oil inlet pipeline 1, the oil outlet pipeline 2, the oil inlet pipeline 1 and the first high-pressure electric valve 3 are connected through a flange plate, the prying frame welding main body is preferably SLHQ-6-00-01, and the type of the first high-pressure electric valve is preferably Z941H/Y-64-DN 100. And a crude oil heater is also arranged at the inlet outlet of the oil inlet pipeline, the crude oil heater is preferably an air crude oil heater commonly used in petrochemical industry, and a stainless steel pipeline is adopted for electric heating.
The right end of the oil outlet pipeline is also connected with a first high-pressure electric valve 3, and is sequentially connected with a safety valve 4 and an output pipeline 5, and the safety valve 4 is provided with a pressure relief pipeline; the right end of the oil outlet pipeline 2 is connected with one end of the first high-pressure electric valve 3 through a flange, the other end of the first high-pressure electric valve 3 is connected with the safety valve 4 through a flange, the outlet end of the safety valve 4 is connected with the output pipeline 5 through a flange, the pressure relief end of the safety valve 4 is fixedly connected with the pressure relief pipeline, and the safety valve 4 is preferably A41Y40PDN 100.
The right end of the oil inlet pipeline 1 is also connected with a first high-pressure electric valve 3, and is sequentially connected with a filtering group and a shunt pipeline 6; the filtering group comprises a basket filter 8 and two first gate valves 7, the basket filter is fixed between the two first gate valves 7 through a flange, preferably, the filtering group comprises two parts, and two groups of filtering groups are connected in parallel between the oil inlet pipeline 1 and the flow dividing pipeline 6; the flow dividing pipe 6 is divided into a plurality of sections, the number of the sections of the flow dividing pipe 6 is more than or equal to the number of the groups of the oil-gas mixed transportation pump groups, the number of the sections of the flow dividing pipe 6 is preferably the number of the groups of the oil-gas mixed transportation pump groups plus one, as shown in fig. 1, the flow dividing pipe 6 is divided into three sections, the leftmost end of the flow dividing pipe 6 is a connecting section connected with the filtering group, the two sections on the right side are mixed transportation sections connected with the oil-gas mixed transportation pump groups, and a flow dividing control plate is further arranged between each section of the flow dividing pipe 6, so that the operation of controlling the connection of one group, two groups and a plurality of groups of oil-gas mixed transportation pump groups is convenient. A return pipeline is further connected to a pipeline between the eccentric oil-gas mixing pump and the second high-pressure electric valve, the other end of the return pipeline is connected with the shunt pipe, a ball valve is arranged on the return pipeline, and the basket filter is preferably SRB14 straight-through DN100PN 4.
At least one group of oil-gas mixed transportation pump set is connected between the output pipeline 5 and the shunt pipeline 6, the oil-gas mixed transportation pump set is connected between the output pipeline 5 and the shunt pipeline 6 in parallel, in the embodiment, two groups of oil-gas mixed transportation pumps are preferably arranged, each group of oil-gas mixed transportation pump set comprises a second gate valve 9, a check valve 10, an energy accumulator 11, an eccentric oil-gas mixed transportation pump 12 and a second high-pressure electric pump 13 which are sequentially connected, and the other end of the second high-pressure electric valve is connected with the corresponding mixed transportation section of the shunt pipe. The second gate valve 9, the check valve 10, the energy accumulator 11, the eccentric oil-gas mixed transportation pump 12 and the second high-pressure electric pump 13 are connected by a flange; the eccentric oil-gas mixed transportation pump 12 is further connected with a horizontal explosion-proof speed reducer, a protective cover is arranged at the joint of the horizontal explosion-proof speed reducer and the eccentric oil-gas mixed transportation pump 12, the protective cover can prevent external objects from being drawn into the joint and shield rainwater, meanwhile, the safety of workers during shutdown maintenance and detection is protected, and the eccentric oil-gas mixed transportation pump 12 is fixed on a prying frame welding main body through a base arranged. Wherein the second high-pressure electric pump is preferably Z941H/Y-64-DN50, the accumulator is preferably NXQ-12.5B1.5, the check valve is preferably H44H-16C-250-DN50, the eccentric oil-gas mixture transmission pump 12 is preferably SLHB6-4-200-01, and the horizontal explosion-proof reducer is preferably GB87-YB 18.5-4P-7.13-M1.
As shown in fig. 2, the circulative cooling system for air-fuel mixture transfer includes a heat collecting pipe 15 wound around the eccentric air-fuel mixture pump 12, and the heat collecting pipe 15 is wound in series around the outside of the two eccentric air-fuel mixture pumps 12. The output end of the heat collection pipeline 15 is connected with a heat release pipeline 22, the heat release pipeline 22 is sequentially wound outside the basket filter 8, the oil inlet pipeline 1 and the oil outlet pipeline 2, the outsides of the basket filter 8, the oil inlet pipeline 1 and the oil outlet pipeline 2 are also provided with a heat insulation and closed shell 21, and the heat release pipeline 22 is positioned inside the shell 21; the output end of the heat release pipeline 22 is connected with a peristaltic pump 16, the output end of the peristaltic pump 16 is connected with a three-way valve 17, the other two ends of the three-way valve 17 are connected with a heat supply pipeline 18 and a heat dissipation pipeline 19, a heating device 23 is arranged on the heat supply pipeline 19, and a heat dissipation device 20 is arranged on the heat dissipation pipeline 19; the tail ends of the heat supply pipeline 18 and the heat dissipation pipeline 20 are connected in parallel and then connected with the input end of the heat collection pipeline 15; the heat collecting pipe 15 and the heat releasing pipe 22 are connected with the heat supplying pipe 18 and the heat dissipating pipe 19 to form a closed pipeline; the closed pipeline is filled with heat conducting medium, and the heat conducting medium is preferably insulating heat conducting oil. The heating device 23 is a heating resistance wire wound on the heating pipeline 18, or an electromagnetic heater. The heat dissipation device 20 is a finned heat exchanger or a heat dissipation fin, the finned heat exchanger is installed on the heat supply pipeline through a water inlet end and a water outlet end, the heat dissipation fin is installed on the heat dissipation pipeline 19, and heat dissipation fans are arranged beside the finned heat exchanger or the heat dissipation fin, so that the heat dissipation efficiency is improved, and the oil-gas mixed transportation and mixed transportation device can still keep a good working effect in summer.
The working principle and the process thereof are as follows: when the eccentric oil-gas mixing transportation pump operates, the three-way valve 17 is firstly opened to communicate the heat release pipeline 22 with the heat supply pipeline 18, the heat on the eccentric oil-gas mixing transportation pump body is transferred to the heat collection pipeline 15, the heat collection pipeline 15 transfers the heat to the heat conducting medium (heat conducting oil) in the pipeline, under the action of a peristaltic pump 16 in a closed pipeline, heat conduction oil passing through an eccentric oil-gas mixed transportation pump body sequentially passes through the outer basket filter 8, the oil inlet pipeline 1 and the outer part of the oil outlet pipeline 2 through a heat release pipeline 22, heat in a heat conduction medium is transferred to the basket filter 8, the oil inlet pipeline 1 and the oil outlet pipeline 2, and then the basket filter 8, the oil inlet pipeline 1 and the oil outlet pipeline 2 transfer the heat to flowing crude oil, so that the heat conduction medium can take away the heat on the eccentric oil-gas mixed transportation pump body, the taken heat can also effectively preheat the crude oil, and the flowability of the crude oil in an oil-gas mixed transportation device is improved; and the heat-conducting medium passing through the basket filter 8, the oil inlet pipeline 1 and the oil outlet pipeline 2 finally returns to the outside of the eccentric oil-gas mixed transportation pump through the heat supply pipeline 18 to carry out next circulating heat collection, the whole circulating process not only can effectively radiate and cool the eccentric oil-gas mixed transportation pump, but also can utilize waste heat generated during the operation of the eccentric oil-gas mixed transportation pump to preheat and heat crude oil in the oil-gas mixed transportation integrated device to a certain degree, thereby ensuring the fluidity of the crude oil. When the three-way valve 17 is switched to enable the heat release pipeline 22 to be communicated with the heat dissipation pipeline 19, the heat dissipation device 20 on the heat dissipation pipeline 19 is started, the heat conducting medium flowing through the heat transfer pipeline 19 can be further heated, when the external temperature in summer is high, the heat conducting medium can be better dissipated, the heat of the eccentric oil-gas mixed transportation pump can be better dissipated by matching with the heat conducting medium, better cooling is achieved, and the flowability of crude oil is guaranteed. The dashed lines in fig. 1, 2 represent the cooling system.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A circulative cooling system for oil-gas mixture transportation which characterized in that: the oil-gas mixing pump comprises a heat collecting pipeline wound on an eccentric oil-gas mixing pump, wherein the output end of the heat collecting pipeline is connected with a heat releasing pipeline, the heat releasing pipeline is wound outside a basket filter, an oil inlet pipeline and an oil outlet pipeline in sequence, heat insulating and closed shells are further arranged outside the basket filter, the oil inlet pipeline and the oil outlet pipeline, and the heat releasing pipeline is positioned inside the shells; the output end of the heat release pipeline is connected with a peristaltic pump, the output end of the peristaltic pump is connected with a three-way valve, the other two ends of the three-way valve are connected with a heat supply pipeline and a heat dissipation pipeline, and a heat dissipation device is arranged on the heat dissipation pipeline; the tail ends of the heat supply pipeline and the heat dissipation pipeline are connected in parallel and then are connected with the input end of the heat collection pipeline; the heat collecting pipeline and the heat releasing pipeline are connected with the heat supplying pipeline and the heat dissipating pipeline to form a closed pipeline; and a heat-conducting medium is filled in the closed pipeline.
2. The circulating cooling system for oil-gas mixture transportation according to claim 1, characterized in that: the heat conducting medium is insulating heat conducting oil.
3. The circulating cooling system for oil-gas mixture transportation according to claim 1, characterized in that: the heating pipeline is provided with a heating device, and the heating device is used for heating a heat-conducting medium in the heating pipeline.
4. A circulation cooling system for oil-gas mixture transportation according to claim 3, characterized in that: the heating device is a heating resistance wire or an electromagnetic heater wound on the heat supply pipeline.
5. The circulating cooling system for oil-gas mixture transportation according to claim 1, characterized in that: the heat dissipation device is a finned heat exchanger, and the finned heat exchanger is arranged on a heat supply pipeline.
6. The circulating cooling system for oil-gas mixture transportation according to claim 1, characterized in that: the heat dissipation device is a heat dissipation fin which is arranged on the heat dissipation pipeline.
7. The circulating cooling system for oil-gas mixture transportation according to claim 5, characterized in that: and a cooling fan is arranged beside the fin type heat exchanger.
8. The circulating cooling system for oil-gas mixture transportation according to claim 1, characterized in that: the oil-gas mixed transportation pump groups are connected in parallel between the output pipeline and the shunt pipeline; the heat collection pipeline is wound on the two eccentric oil-gas mixing pumps in series.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123264274.6U CN216518898U (en) | 2021-12-23 | 2021-12-23 | Circulating cooling system for oil-gas mixed transportation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123264274.6U CN216518898U (en) | 2021-12-23 | 2021-12-23 | Circulating cooling system for oil-gas mixed transportation |
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| CN216518898U true CN216518898U (en) | 2022-05-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115283215A (en) * | 2022-07-18 | 2022-11-04 | 江苏中关村嘉拓新能源设备有限公司 | Oil-electricity hybrid heat exchange system |
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2021
- 2021-12-23 CN CN202123264274.6U patent/CN216518898U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115283215A (en) * | 2022-07-18 | 2022-11-04 | 江苏中关村嘉拓新能源设备有限公司 | Oil-electricity hybrid heat exchange system |
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