CN211648083U - Skid-mounted integrated air energy pipeline built-in heating control device - Google Patents
Skid-mounted integrated air energy pipeline built-in heating control device Download PDFInfo
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- CN211648083U CN211648083U CN202020101028.5U CN202020101028U CN211648083U CN 211648083 U CN211648083 U CN 211648083U CN 202020101028 U CN202020101028 U CN 202020101028U CN 211648083 U CN211648083 U CN 211648083U
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- 238000005485 electric heating Methods 0.000 description 3
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Abstract
The utility model discloses a skid-mounted integrated form air can built-in heating control device of pipeline mainly relates to oil field pipeline heat preservation step-down technical field. Including air energy heat pump sled dress piece, set up the hot water circulating line in the crude oil pipeline, air energy heat pump sled dress piece includes air energy heat pump, heat preservation storage tank, circulating pump, control system, the delivery port of air energy heat pump, the water inlet of circulating pump all communicate with the heat preservation storage tank, the one end of hot water circulating line and the water inlet intercommunication of air energy heat pump, the other end stretches into and returns behind the crude oil pipeline that air energy heat pump sled dress piece forms closed pipeline with the delivery port intercommunication of circulating pump, air energy heat pump, circulating pump all with control system signal connection. The beneficial effects of the utility model reside in that: can make up the defects of the prior art, has the advantages of stable performance, long service life, long heating distance, safety and reliability, and is particularly suitable for the heat preservation and the back pressure reduction of long-distance oil well pipelines.
Description
Technical Field
The utility model relates to an oil field pipeline heat preservation step-down technical field specifically is built-in heating control device of sled dress integrated form air energy pipeline.
Background
The oil well wellhead back pressure is an important index for measuring the oil well management level, in order to reduce the oil well wellhead back pressure, the pipeline paraffin removal is realized, the normal production of an oil well is ensured, the crude oil produced by the oil well is generally transported out after being heated by a gas heating furnace or an electric heating device at the wellhead, but in the actual production process, the existing heating technology still has certain problems:
1) the back pressure continues rising because of the on-way temperature drop that adopts the heating furnace heating back causes, because present well head heating furnace all heats crude oil on a certain point of procedure, is heated to higher temperature when the crude oil of oil well output passes through the furnace body, but along with the flow of crude oil, the heat constantly scatters and disappears, and crude oil temperature progressively descends in the pipeline, and crude oil viscosity grow gradually, and the flow resistance increases, and oil well head back pressure risees, only heats crude oil once more, just can guarantee the normal outer defeated of oil well. However, generally, the installation of a heating furnace in the middle of the process from the wellhead of an oil well to a metering station is generally restricted by fuel, and the installation of a gas pipe for a gas heating furnace in the middle of the process or the installation of a power cable for an electric heating device has high investment and is easy to be stolen;
2) for a low-yield well and an intermittent oil production well, the heating and pressure reduction potential safety hazard is large by using a heating furnace, and for a low-permeability oil reservoir, the intermittent oil production phenomenon often occurs due to low oil layer permeability and low liquid production capacity of the oil well caused by poor liquid supply capacity. Because the oil well output is low, the flow velocity of crude oil in the pipeline is slow, and the solidification can be caused due to the too fast temperature drop when the flow distance is very short, so that the pipe blockage is caused. When the oil layer produces oil intermittently, crude oil in the oil well ground pipeline stops flowing, if the wellhead heating furnace does not stop heating immediately, the pressure in the furnace cavity rises continuously, and if the safety valve fails, the pressure cannot be released, and the water jacket heating furnace explodes; if the safety valve is effective, explosion can be avoided, but circulating water in the heating furnace is finally burnt to dry along with evaporation of a large amount of water vapor, so that local overheating is caused, coil bursting is caused, and a large amount of crude oil leaks to cause fire accidents;
3) at present, a wellhead heating furnace is generally heated by using casing gas associated with an oil well, the seasonal change has a large influence on a gas source, and associated light oil and condensate water influence the standard emission of flue gas. In addition, the natural gas components of different oil fields and oil wells are different, the shaping difficulty of the burner is high, and the smoke emission quality is influenced. Most of the heating furnaces used at present are water jacket furnaces, which have long service life, internal scale formation and low heat efficiency, and cause waste of natural gas. The water jacket furnace is a pressure container and needs to be checked regularly; if the operation is carried out at normal pressure, water needs to be supplemented periodically, so that the workload of daily management is increased;
4) the oil well without the air source or the oil well which cannot be normally heated and depressurized by using a wellhead heating furnace is adopted in most oil fields, the oil well is poured into a single well tank for production in winter, crude oil is transported by using a tank car, and the operation cost of the single well is high due to the manual well-looking cost, the electric heating cost of the single well tank and the transportation cost of the tank car;
5) among the prior art, utility model patent: a heating paraffin removal and back pressure reduction device (patent number: 201520969996.7) is arranged in an oil well pipeline, and is limited by a ground gas single well heating furnace and a gas source in the application process, if the gas is insufficient, the heating is unstable, the heat efficiency is low, the natural gas yield of an oil well is reduced, and the smoke is discharged outside; the scale formation is serious under the influence of oxygen exposure of heated water, and the production concept is contrary to the current production concept of environmental protection, high efficiency and energy saving.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the problem that exists among the prior art, provide a sled dress integrated form air can built-in heating control device of pipeline, can compensate prior art's not enough, have stable performance, long service life, heating distance advantage long, safe and reliable, the heat preservation of specially adapted long distance oil well pipeline reduces the back pressure.
The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:
skid-mounted integrated air energy pipeline built-in heating control device comprises an air energy heat pump skid-mounted block and a hot water circulating pipeline arranged in a crude oil pipeline, wherein the air energy heat pump skid-mounted block comprises an air energy heat pump, a heat preservation storage tank, a circulating pump and a control system, a water outlet of the air energy heat pump and a water inlet of the circulating pump are communicated with the heat preservation storage tank, one end of the hot water circulating pipeline is communicated with the water inlet of the air energy heat pump, the other end of the hot water circulating pipeline extends into the crude oil pipeline and then returns to the air energy heat pump skid-mounted block to be communicated with the water outlet of the circulating pump to form a closed pipeline, and the air energy heat pump.
Preferably, the hot water circulation pipeline is an oil-resistant and heat-resistant pipeline.
Preferably, the heat preservation storage tank is a stainless steel heat preservation storage tank.
Preferably, the circulation pump is a non-leakage circulation pump.
Preferably, a filtering device is arranged in the heat preservation storage tank.
Preferably, a liquid level sensor is arranged in the heat preservation storage tank and is in signal connection with the control system.
Preferably, one end of the hot water circulating pipeline, which is close to the air-source heat pump, is provided with a first temperature sensor, one end of the hot water circulating pipeline, which is close to the circulating pump, is provided with a second temperature sensor, and the first temperature sensor and the second temperature sensor are both in signal connection with the control system.
Preferably, a pressure sensor is arranged in the hot water circulating pipeline and is in signal connection with a control system.
Preferably, the control system is connected with a remote controller through a communication network.
Contrast prior art, the beneficial effects of the utility model reside in that:
the heat preservation storage tank of the utility model has the heat preservation function and is used for storing circulating water; the circulating pump is used for discharging circulating water in the heat-preservation storage tank into the hot water circulating pipeline; the air energy heat pump is used for heating circulating water; the control system is used for controlling the starting and stopping of the air energy heat pump and the circulating pump; the control system can be arranged at a metering station or an oil collecting valve group, a set of equipment is arranged in a centralized manner, heat tracing conveying is carried out on a plurality of wells at the same time, management is convenient, and for scattered high back pressure wells, a single-well air-source heat pump heat tracing conveying is also arranged at a well site and conveyed into the metering station or the oil collecting valve group; the air energy heat pump, the heat preservation storage tank, the circulating pump and the hot water circulating pipeline are sequentially connected to form a closed loop, circulating water in the hot water circulating pipeline enters the air energy heat pump, the circulating water is heated to a set temperature by the air energy heat pump and then is discharged into the heat preservation storage tank for storage, and the circulating pump discharges the heated circulating water in the heat preservation storage tank into the hot water circulating pipeline to form heat circulation; the hot water circulating pipe is located crude oil pipeline, along with the flow of the circulating water after the heating, can heat the crude oil in the crude oil pipeline, reaches the purpose that heating crude oil dropped the back pressure, the utility model discloses a hot water circulating pipe can realize crude oil pipeline's long distance heating, and the step-down effect is obvious, and hot water circulated use, and is energy-conserving high-efficient, makes the oil well move under low back pressure operating mode all the year round, reduces the pipeline and perforates, reduces equipment and tubular column load, reduces operation management work load.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
fig. 2 is a control schematic diagram of the present invention.
The reference numbers in the drawings: 1. a hot water circulation pipe; 2. an air-source heat pump; 3. a heat preservation storage tank; 4. a circulation pump; 5. a control system; 6. a crude oil pipeline.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.
Example 1: as shown in the attached drawing 1, the skid-mounted integrated air energy pipeline built-in heating control device comprises an air energy heat pump skid-mounted block mounted on the ground, and a hot water circulating pipeline 1 arranged in a crude oil pipeline 6, wherein the hot water circulating pipeline 1 is preferable and is used for prolonging the service life of the hot water circulating pipeline 1, and the hot water circulating pipeline 1 is an oil-resistant heat-resistant pipeline. The air energy heat pump skid-mounted block comprises an air energy heat pump 2, a heat preservation storage tank 3, a circulating pump 4, a control system 5 and a base used for being fixed on the ground, the air energy heat pump 2, the heat preservation storage tank 3, the circulating pump 4 and the control system 5 can be installed on the base, and the base can be fixed on the ground through foundation bolts. Preferably, in order to prolong the service life of the heat-preservation storage tank 3, the heat-preservation storage tank 3 is made of stainless steel. Preferably, in order to prevent the circulating water from leaking, the circulating pump 4 is a non-leakage circulating pump. The delivery port of air energy heat pump 2, the water inlet of circulating pump 4 all communicate with heat preservation storage tank 3 through connecting tube, and is further, in order to avoid the incrustation scale to get into hot water circulating pipe 1, be equipped with filter equipment in heat preservation storage tank 3, filter equipment mountable is in the tip of the connecting tube between air energy heat pump 2's delivery port and heat preservation storage tank 3 for filter the circulating water. One end of the hot water circulating pipeline 1 is communicated with a water inlet of the air energy heat pump 2, the other end of the hot water circulating pipeline extends into the crude oil pipeline and then returns to the air energy heat pump skid-mounted block to be communicated with a water outlet of the circulating pump 4 to form a closed pipeline, and the air energy heat pump 2 and the circulating pump 4 are in signal connection with the control system 5. The air energy heat pump 2, the heat preservation storage tank 3, the circulating pump 4 and the hot water circulating pipeline 1 of the utility model are connected in sequence to form a closed loop, circulating water in the hot water circulating pipeline 1 enters the air energy heat pump 2, the circulating water is heated to a set temperature by the air energy heat pump 2 and then is discharged into the heat preservation storage tank 3 for storage, and the circulating water heated in the heat preservation storage tank 3 is discharged into the hot water circulating pipeline 1 by the circulating pump 4 to form heat circulation; hot water circulating pipe 1 is located crude oil pipeline 6, along with the flow of the circulating water after the heating, can heat the crude oil in crude oil pipeline 6, reaches the purpose that the return pressure was fallen to the heating crude oil, the utility model discloses a hot water circulating pipe can realize crude oil pipeline's long distance heating, and the step-down effect is obvious, and hot water circulated use, and is energy-conserving high-efficient, makes the oil well move under low return pressure operating mode all the year round, reduces the pipeline and perforates, reduces equipment and tubular column load, reduces operation management work load. For the convenience of controlling the temperature, pressure, the 3 internal recycle water volumes of heat preservation storage tank to the circulating water, be close to the one end of air energy heat pump 2 in hot water circulating pipeline 1 and install first temperature sensor, the one end that is close to circulating pump 4 in hot water circulating pipeline 1 installs second temperature sensor, first temperature sensor, second temperature sensor all with control system 5 signal connection, level sensor is installed at the top in heat preservation storage tank 3, level sensor and control system 5 signal connection, install pressure sensor in hot water circulating pipeline 1, pressure sensor and control system 5 signal connection, liquid level in inlet temperature, play liquid temperature, pressure and the heat preservation storage tank 3 that can real time monitoring hot water circulating pipeline 1 to send the monitoring result to control system 5, by control system 5 control air energy heat pump 2, The starting and stopping of the circulating pump 4 automatically heats and switches for heat tracing circulation.
Example 2: on embodiment 1's basis, in order to realize remote monitoring, control system 5 is connected with remote control through communication network, and remote control can place in control center, is equipped with the GPRS module among the control system 5 for with control data remote transmission to control center, realize remote monitoring, and to heating temperature the utility model discloses an open and stop and control.
Claims (9)
1. Sled dress integrated form air can pipeline embeds heating control device, its characterized in that: including air energy heat pump sled dress piece, set up hot water circulating pipe way (1) in crude oil pipeline, air energy heat pump sled dress piece includes air energy heat pump (2), heat preservation storage tank (3), circulating pump (4), control system (5), the delivery port of air energy heat pump (2), the water inlet of circulating pump (4) all communicate with heat preservation storage tank (3), the one end of hot water circulating pipe way (1) and the water inlet intercommunication of air energy heat pump (2), the other end stretches into and returns the delivery port intercommunication formation closed pipeline of air energy heat pump sled dress piece and circulating pump (4) behind the crude oil pipeline, air energy heat pump (2), circulating pump (4) all with control system (5) signal connection.
2. The skid-mounted integrated air energy pipeline built-in heating control device according to claim 1, wherein: the hot water circulating pipeline (1) is an oil-resistant and heat-resistant pipeline.
3. The skid-mounted integrated air energy pipeline built-in heating control device according to claim 1, wherein: the heat preservation storage tank (3) is a stainless steel heat preservation storage tank.
4. The skid-mounted integrated air energy pipeline built-in heating control device according to claim 1, wherein: the circulating pump (4) is a non-leakage circulating pump.
5. The skid-mounted integrated air energy pipeline built-in heating control device according to claim 1, wherein: and a filtering device is arranged in the heat preservation storage tank (3).
6. The skid-mounted integrated air energy pipeline built-in heating control device according to claim 1, wherein: and a liquid level sensor is arranged in the heat preservation storage tank (3) and is in signal connection with the control system (5).
7. The skid-mounted integrated air energy pipeline built-in heating control device according to claim 1, wherein: one end of the hot water circulating pipeline (1) close to the air-source heat pump (2) is provided with a first temperature sensor, one end of the hot water circulating pipeline (1) close to the circulating pump (4) is provided with a second temperature sensor, and the first temperature sensor and the second temperature sensor are both in signal connection with the control system (5).
8. The skid-mounted integrated air energy pipeline built-in heating control device according to claim 1, wherein: and a pressure sensor is arranged in the hot water circulating pipeline (1), and the pressure sensor is in signal connection with the control system (5).
9. The skid-mounted integrated air energy pipeline built-in heating control device according to claim 1, wherein: the control system (5) is connected with a remote controller through a communication network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020101028.5U CN211648083U (en) | 2020-01-17 | 2020-01-17 | Skid-mounted integrated air energy pipeline built-in heating control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020101028.5U CN211648083U (en) | 2020-01-17 | 2020-01-17 | Skid-mounted integrated air energy pipeline built-in heating control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211648083U true CN211648083U (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020101028.5U Expired - Fee Related CN211648083U (en) | 2020-01-17 | 2020-01-17 | Skid-mounted integrated air energy pipeline built-in heating control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211648083U (en) |
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2020
- 2020-01-17 CN CN202020101028.5U patent/CN211648083U/en not_active Expired - Fee Related
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Granted publication date: 20201009 |