CN104420850B - Well field raw oil heating device, heating system and heating control method - Google Patents
Well field raw oil heating device, heating system and heating control method Download PDFInfo
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- CN104420850B CN104420850B CN201310412388.1A CN201310412388A CN104420850B CN 104420850 B CN104420850 B CN 104420850B CN 201310412388 A CN201310412388 A CN 201310412388A CN 104420850 B CN104420850 B CN 104420850B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 97
- 238000000034 method Methods 0.000 title claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 312
- 239000010779 crude oil Substances 0.000 claims description 64
- 239000003921 oil Substances 0.000 claims description 63
- 238000013459 approach Methods 0.000 claims description 28
- 230000002528 anti-freeze Effects 0.000 claims description 17
- 238000005259 measurement Methods 0.000 claims description 13
- 238000007605 air drying Methods 0.000 claims description 8
- 238000012986 modification Methods 0.000 claims description 6
- 230000004048 modification Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 230000008021 deposition Effects 0.000 description 10
- 230000007423 decrease Effects 0.000 description 6
- 238000012163 sequencing technique Methods 0.000 description 6
- 230000003020 moisturizing effect Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000011022 operating instruction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B36/00—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B36/00—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones
- E21B36/04—Heating, cooling or insulating arrangements for boreholes or wells, e.g. for use in permafrost zones using electrical heaters
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a well field raw oil heating device, a heating system and a heating control method, and belongs to the field of automatic control. The device comprises a heat collector, a heat collecting water tank, a heat exchange water tank, a heat collecting circulation pump, a heating circulation pump, an electric heater, a sensor group, a control module and a power supply module, wherein the heat collecting water tank is used for storing solar energy collected by the heat collector, the heat exchange water tank is used for carrying out heat exchange with raw oil in an oil conveying pipeline, the heat collector and the heat collecting water tank are communicated through the heat collecting circulation pump, the heat collecting water tank and the heat exchange water tank are communicated through the heating circulation pump, the heat exchange water tank is arranged outside the oil conveying pipeline, the electric heater is arranged in the heat exchange water tank, the sensor group is used for measuring the temperature of the heat collector, the temperature of the heat collecting water tank and the temperature of the raw oil outlet, the control module is used for controlling the starting and the stopping of the heat collecting circulation pump, the heating circulation pump and the electric heater according to the temperature of the heat collector, the temperature of the heat collecting water tank and the temperature of the raw oil outlet which are measured by the sensor group. The energy source consumption is reduced.
Description
Technical field
The present invention relates to automation field, particularly to a kind of well site raw oil heater, heating system and heating control
Method processed.
Background technology
China's western oil field region is wide, and each oil production field and site distance using pipeline oil transportation are larger, in temperature
When relatively low, crude oil can occur wax deposition in course of conveying, not only causes the blocking of conveyance conduit, crude output to reduce, take out
The load of oil machine and energy consumption increase, and also add the consumption of pipe plugging removal construction operation and chemical agent.
In order to prevent crude oil wax deposition in course of conveying from, it will usually heat to crude oil in well site, so that crude oil temperature is existed
Will not as little as wax deposition in conveyance conduit.Existing well site raw oil heater is simple water jacket furnace or electromagnetic heater.
During realizing the present invention, inventor finds that prior art at least has problems with：
Simple water jacket furnace and electromagnetic heater all can not carry out precise control to crude oil temperature, if heating-up temperature mistake
Height, can cause the consumption of the energy, if heating-up temperature is too low, do not reach the purpose preventing crude oil wax deposition in course of conveying.
Content of the invention
For big, the embodiment of the present invention that solves the problems, such as that prior art can not carry out precise control, energy consumption to crude oil temperature
Provide a kind of well site raw oil heater, heating system and method for heating and controlling.Described technical scheme is as follows：
On the one hand, embodiments provide a kind of well site raw oil heater, described device includes heat collector, is used for
Store the heat collection water tank of solar energy of described heat collector collection, be used for carrying out the heat-exchanging water of heat exchange with the crude oil in oil pipeline
Case, collection hot recycle pump, heat cycles pump, electric heater, sensor group, control module and power module；
Described heat collector and described heat collection water tank are connected by described collection hot recycle pump, described heat collection water tank and described heat exchange
Water tank is connected by described heat cycles pump, and described heat-exchanging water tank is arranged on the outside of described oil pipeline, described electric heater
It is arranged in described heat-exchanging water tank；
Described sensor group include for measure described heat collector temperature first sensor, be used for measuring described collection hot water
The second sensor of case temperature and the 3rd sensor for measuring described crude exports temperature；
Described control module, described heat collector temperature and described second for being recorded according to described first sensor sense
The start and stop of hot recycle pump, the thermal-arrest recording according to described second sensor is collected described in the described heat collection water tank temperature control that device records
Start and stop of heat cycles pump described in described crude exports temperature control that water tank temperature and described 3rd sensor record and described
The start and stop of electric heater；Described control module respectively with described first sensor, described second sensor, described 3rd sensing
Device, described collection hot recycle pump, described heat cycles pump and the electrical connection of described electric heater；
Described power module, for for described control module, described collection hot recycle pump, described heat cycles pump, Yi Jisuo
State electric heater to power；Described power module respectively with described control module, described collection hot recycle pump, described heat cycles pump and
Described electric heater electrical connection.
In the first possible implementation, described sensor group also include for measure crude oil inlet temperature the 4th
Sensor and the 5th sensor for measuring environment temperature, described control module also respectively with described 4th sensor, described
5th sensor electrical connection；
Described control module is additionally operable to, the crude oil inlet temperature being recorded according to described 4th sensor and described 5th sensing
The ambient temperature that device records arranges described crude exports temperature maximum and described crude exports temperature minimum.
In the possible implementation of second, described sensor group is also included for measuring described heat collection water tank water level
6th sensor and alarm module, described control module is also electrically connected with described 6th sensor, described alarm module respectively；
Described control module is additionally operable to, when the described heat collection water tank water level that described 6th sensor records is less than the water setting
During case low-water alarm value, or when the described heat collection water tank water level that described 6th sensor records is higher than the water tank high water level setting
During alarming value, described alarm module is controlled to send alarm signal.
In the third possible implementation, described sensor group is also included for measuring described heat collector and described collection
7th sensor of the conduit temperature between boiler, described control module is also electrically connected with described 7th sensor；
Described control module is additionally operable to, and prevents when the described conduit temperature that described 7th sensor records is less than the system setting
When freezing opening temperature value, described collection hot recycle pump is controlled to bring into operation；When the run time of described collection hot recycle pump reaches setting
The system antifreeze opening time value when, control described collection hot recycle pump out of service.
Further, described device also includes heating tape, and described heating tape is arranged on described water pipe, described control module
Also electrically connect with described heating tape；
Described control module is additionally operable to, when the described conduit temperature that described 7th sensor records is less than the heating tape setting
During operating temperature value, described heating tape is controlled to bring into operation；When the heating tape that the run time of described heating tape reaches setting is opened
When opening time value, control described heating tape out of service.
In the 4th kind of possible implementation, described device also includes cabinet and cabinet heater, described control module
In described cabinet, described control module is also electrically connected with described cabinet heater；
Described sensor group also includes the 8th sensor for measuring described cabinet temperature, described control module also with institute
State the 8th sensor electrical connection；
Described control module is additionally operable to, and opens when the described cabinet temperature that described 8th sensor records is less than the cabinet setting
When opening temperature value, described cabinet heater is controlled to bring into operation；After described cabinet heater brings into operation, when the described 8th
When the described cabinet temperature that sensor records is more than the cabinet heater closing temperature value setting, described cabinet heater is controlled to stop
Only run.
In the 5th kind of possible implementation, described device is also included in display module, input module and alarm module
One or more, described display module is used for showing the numerical value, the parameter value setting, described thermal-arrest that described sensor group records
The ruuning situation of the ruuning situation of circulating pump, the ruuning situation of described heat cycles pump and described electric heater, described input
Module is used for receiving manual command, and described alarm module is used for being reported to the police under the control of described control module；Described control
Module is also electrically connected with described display module, described input module, described alarm module respectively.
In the 6th kind of possible implementation, described device also includes standby electric heater, described control module also with
Described standby electric heater electrical connection；
Described control module is additionally operable to, when the run time of described electric heater reaches the very first time value of setting, if
When described crude exports temperature is less than the crude exports temperature maximum setting, described standby electric heater is controlled to bring into operation；
When the run time of described standby electric heater reaches the second time value of setting, control described standby electrical heating
Device is out of service.
In the 7th kind of possible implementation, described device also includes trim set hot recycle pump, and described sensor group is also
Including the 7th sensor for measuring the conduit temperature between described heat collector and described heat collection water tank, and/or described device
Also include standby heat cycles pump, described sensor group also includes the 9th sensor for measuring heat-exchanging water tank temperature, described
Control module also respectively with described trim set hot recycle pump, described standby heat cycles pump, described 7th sensor, the described 9th
Sensor electrically connects；
Described control module is additionally operable to, when the water pump that the run time of described collection hot recycle pump reaches setting automatically switches
Between be worth when, if the described conduit temperature that described 7th sensor records, with described collection hot recycle pump bring into operation before the described 7th
Difference between the described conduit temperature that sensor records is less than the temperature difference threshold setting, then control described standby heat-collecting pump to start
Run；
After described trim set hot recycle pump brings into operation, when described heat collector temperature and described heat collection water tank temperature it
Between difference be less than set thermal-arrest stop temperature approach when, control described trim set hot recycle pump out of service；
When the run time of described heat cycles pump reaches described water pump automatic switchover time value, if described 9th sensing
The described heat-exchanging water tank temperature that device records, before bringing into operation with described heat cycles pump described 9th sensor record described in change
Difference between boiler temperature is less than described temperature difference threshold, then control described standby heat cycles pump to bring into operation；
After described standby heat cycles pump brings into operation, when described crude exports temperature is more than the crude exports setting
During peak, or after described electric heater brings into operation, control described standby heat cycles pump out of service.
In the 8th kind of possible implementation, described power module includes main power source, stand-by power supply and power management
Unit；Described Power Management Unit is used for, when described mains power failure, switching to described stand-by power supply to power.
On the other hand, embodiments provide a kind of crude oil heating system in well site, described system includes at least one
Well site raw oil heater and host computer, described well site raw oil heater is aforementioned well site raw oil heater, described well site
Raw oil heater and described host computer communication connection.
Another aspect, embodiments provides a kind of well site heating crude oil control method, and methods described includes：
Measurement heat collector temperature, heat collection water tank temperature and crude exports temperature；
Difference between described heat collector temperature and described heat collection water tank temperature is more than the thermal-arrest setting and starts temperature approach
When, domination set hot recycle pump brings into operation；
After described collection hot recycle pump brings into operation, between described heat collector temperature and described heat collection water tank temperature
When difference is less than the thermal-arrest stopping temperature approach setting, or when described heat collection water tank temperature is more than the heat collection water tank temperature highest setting
During value, control described collection hot recycle pump out of service；
When described crude exports temperature is less than the crude exports temperature minimum setting, described heat collection water tank temperature more than institute
When stating crude exports temperature, heat cycles pump is controlled to bring into operation；
After described heat cycles pump brings into operation, when described crude exports temperature is more than the crude exports temperature setting
During peak, control described heat cycles pump out of service；
When the run time of heat cycles pump reaches the water pump opening time value of setting, if described crude exports temperature is little
In described crude exports temperature minimum, then control electric heater to bring into operation, and control described heat cycles pump out of service；
When the run time of described electric heater reaches the very first time value of setting, if described crude exports temperature is more than
Described crude exports temperature maximum, then control described electric heater out of service.
In the first possible implementation, methods described also includes：
When the run time of described collection hot recycle pump reaches the water pump automatic switchover time value of setting, if described heat collector
Conduit temperature and described heat collection water tank between, and the described difference collecting between the described conduit temperature before hot recycle pump brings into operation
Value less than the temperature difference threshold setting, then controls trim set hot recycle pump to bring into operation；
After described trim set hot recycle pump brings into operation, when described heat collector temperature and described heat collection water tank temperature it
Between difference be less than set thermal-arrest stop temperature approach when, or when described heat collection water tank temperature be more than set heat collection water tank temperature
During peak, control described trim set hot recycle pump out of service；
When the run time of described heat cycles pump reaches described water pump automatic switchover time value, if described heat-exchanging water tank
Temperature and described heat cycles pump bring into operation before described heat-exchanging water tank temperature between difference be less than the temperature difference threshold setting,
Standby heat cycles pump is then controlled to bring into operation；
After described standby heat cycles pump brings into operation, when described crude exports temperature is more than the crude exports setting
During temperature maximum, or after described electric heater brings into operation, control described standby heat cycles pump out of service.
In the possible implementation of second, methods described also includes：
When the run time of described electric heater reaches described very first time value, if described crude exports temperature is less than institute
State crude exports temperature maximum, then control standby electric heater to bring into operation；
When the time of described standby electric heater reaching the second time value of setting, described standby electric heater is controlled to stop
Only run.
In the third possible implementation, methods described also includes：
When described heat collector temperature is more than the anti-air drying protection temperature value setting, described collection hot recycle pump is controlled to start to transport
OK；
When the run time of described collection hot recycle pump reaches the anti-air drying guard time value of setting, described thermal-arrest is controlled to follow
Ring pump is out of service.
In the 4th kind of possible implementation, methods described also includes：
Measurement crude oil inlet temperature and ambient temperature；
Described crude exports temperature maximum and described former is arranged according to described crude oil inlet temperature and described ambient temperature
Oil export temperature minimum.
In the 5th kind of possible implementation, methods described also includes：
Measure described heat collection water tank water level；
When described heat collection water tank water level is less than the water tank low-water alarm value setting, or when described heat collection water tank water level is high
When the water tank high water-level alarm value setting, send alarm signal.
In the 6th kind of possible implementation, methods described also includes：
Measure the conduit temperature between described heat collector and described heat collection water tank；
When described conduit temperature is less than the system antifreeze opening temperature value setting, described collection hot recycle pump is controlled to start to transport
OK；
When the run time of described collection hot recycle pump reaches the system antifreeze time started value of setting, control described thermal-arrest
Circulating pump is out of service.
Further, methods described also includes：
When described conduit temperature is less than the heating tape operating temperature value setting, heating tape is controlled to bring into operation；
When the run time of described heating tape reaches the heating tape opening time value of setting, described heating tape is controlled to stop
Run.
In the 7th kind of possible implementation, methods described also includes：
Measurement cabinet temperature；
When described cabinet temperature is less than the cabinet heater opening temperature value setting, switch board body heater starts to transport
OK；
After described cabinet heater brings into operation, close temperature when described cabinet temperature is more than the cabinet heater setting
During angle value, control described cabinet heater out of service.
In the 8th kind of possible implementation, methods described also includes：
Send the numerical value recording, the parameter value setting, the ruuning situation of described collection hot recycle pump, described heating to host computer
The ruuning situation of circulating pump, the ruuning situation of described electric heater, the situation of power supply；And/or,
Receive the control instruction that host computer sends, described control instruction is included one or more of to give an order：Described
Parameter value modification instruction, the instruction of described thermal-arrest pump operating cycle, the instruction of described heat cycles pump operation, described electric heater run
Instruction.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
The heat collector temperature that recorded according to sensor group by control module, heat collection water tank temperature, crude exports temperature control
System collection hot recycle pump, heat cycles pump, the start and stop of electric heater, and then control the temperature of well site crude oil, by Oil-temperature control one
Determine in scope, reach the precise control to oil temperature and constant control, ensureing crude oil in course of conveying not in the case of wax deposition,
Reduce the consumption of the energy.And heat collector, heat collection water tank, heat-exchanging water tank and electric heater, compared with simple water jacket furnace, peace
Full property is higher, and utilizes solar heating in crude oil, decreases the consumption to non-renewable resources such as coals and the pollution to environment.
Brief description
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, will make to required in embodiment description below
Accompanying drawing be briefly described it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of structural representation of well site raw oil heater that the embodiment of the present invention one provides；
Fig. 2 is a kind of structural representation of well site raw oil heater that the embodiment of the present invention two provides；
Fig. 3 is a kind of structural representation of crude oil heating system in well site that the embodiment of the present invention three provides；
Fig. 4 is a kind of flow chart of well site heating crude oil control method that the embodiment of the present invention four provides；
Fig. 5 is a kind of flow chart of well site heating crude oil control method that the embodiment of the present invention five provides.
Specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment one
Embodiments provide a kind of well site raw oil heater, referring to Fig. 1, this device includes heat collector 1, thermal-arrest
Water tank 2, heat-exchanging water tank 3, collection hot recycle pump 4, heat cycles pump 5, electric heater 6, sensor group 7, control module 8 and power supply
Module 9.
In the present embodiment, heat collector 1 is used for collecting solar energy, and heat collection water tank 2 is used for storing the sun of heat collector collection
Can, heat-exchanging water tank 3 is used for carrying out heat exchange with the crude oil in oil pipeline 10, and collection hot recycle pump 4 is used for the water in heat collector 1
Swap with the water in heat collection water tank 2, heat cycles pump 5 is used for entering the water in heat collection water tank 2 with the water in heat-exchanging water tank 3
Row exchanges, and electric heater 6 is used for heating the water in heat-exchanging water tank 3.
Heat collector 1 passes through collection hot recycle pump 4 with heat collection water tank 2 and connects, and heat collection water tank 2 and heat-exchanging water tank 3 are followed by heating
Ring pump 5 connects, and heat-exchanging water tank 3 is arranged on the outside of the oil pipeline 10 in well site, and electric heater 6 is arranged in heat-exchanging water tank 3.Tool
Body ground, heat-exchanging water tank 3 can be arranged on the lower section of heat collection water tank 2, and the oil pipeline 10 being arranged in heat-exchanging water tank 3 is coil pipe.
Sensor group 7 include for measure heat collector temperature first sensor, for measure heat collection water tank temperature the
Two sensors and the 3rd sensor for measuring crude exports temperature.
Control module 8 is used for the heat collection water tank that the heat collector temperature recording according to first sensor and second sensor record
The start and stop of temperature control collection hot recycle pump 4, the heat collection water tank temperature being recorded according to second sensor and 3rd sensor record
The start and stop of crude exports temperature control heat cycles pump 5 and the start and stop of electric heater 6.Control module 8 respectively with first sensor,
Second sensor, 3rd sensor, collection hot recycle pump 4, heat cycles pump 5, electric heater 6 connect.
Power module 9 is used for powering for control module 8, collection hot recycle pump 4, heat cycles pump 5 and electric heater 6.Electricity
Source module 9 is electrically connected with control module 8, collection hot recycle pump 4, heat cycles pump 5 and electric heater 6 respectively.
Following is a brief introduction of the operation principle of the well site raw oil heater that the present invention provides：
When sunlight is sufficient, heat collector 1 absorbs the energy of sunlight, so that the coolant-temperature gage in heat collector 1 is raised, by the sun
Heat energy in light（Solar energy）Collect.
Difference between the heat collector temperature that first sensor records and the heat collection water tank temperature that second sensor records
When starting temperature approach more than the thermal-arrest setting, control module 8 domination set hot recycle pump 4 brings into operation, and collection hot recycle pump 4 is by thermal-arrest
Water in device 1 is swapped with the water in heat collection water tank 2, so that the solar energy that heat collector 1 is collected is stored.In collection hot recycle pump
After 4 bring into operation, when the difference between heat collector temperature and heat collection water tank temperature is less than the thermal-arrest stopping temperature approach setting,
Or when heat collection water tank temperature is more than the heat collection water tank temperature maximum setting, control module 8 domination set hot recycle pump 4 stops fortune
OK.
When crude exports temperature is less than the crude exports temperature minimum setting, heat collection water tank temperature more than crude exports temperature
When spending, control module 8 controls heat cycles pump 5 to bring into operation, and heat cycles pump 5 is by the water in heat collection water tank 2 and heat-exchanging water tank 3
In water swap, the water in heat-exchanging water tank 3 and the crude oil in the oil pipeline 11 that is arranged in heat-exchanging water tank 3 carry out heat friendship
Change, crude oil temperature changes with the change of heat-exchanging water tank temperature.After heat cycles pump 5 brings into operation, work as crude exports
When temperature is more than the crude exports peak setting, control module 8 controls heat cycles pump 5 out of service.
When the run time of heat cycles pump 5 reaches the water pump opening time value of setting（As 5 minutes）When, if crude exports
When temperature is less than crude exports temperature minimum, control module 8 controls electric heater 6 to bring into operation, and controls heat cycles pump 5
Out of service, electric heater 6 heats the water in heat-exchanging water tank 3, so that crude oil temperature is raised.When the run time of electric heater 6 reaches
During to the very first time value setting, if crude exports temperature is more than crude exports temperature maximum, control module 8 controls electricity to add
Hot device 6 is out of service.
It should be noted that thermal-arrest starts temperature approach, thermal-arrest stops temperature approach, heat collection water tank temperature maximum, crude oil go out
Mouthful temperature minimum, crude exports temperature maximum, water pump opening time value, the very first time are worth the parameter value for setting, thermal-arrest
Start temperature approach and be more than thermal-arrest stopping temperature approach, crude exports temperature minimum is less than crude exports temperature maximum.
Heat collector temperature that the embodiment of the present invention is recorded according to sensor group by control module, heat collection water tank temperature, former
Oil export temperature control collection hot recycle pump, heat cycles pump, the start and stop of electric heater, and then control the temperature of well site crude oil, will
Oil-temperature control within the specific limits, reaches the precise control to oil temperature and constant control, ensure crude oil in course of conveying not
In the case of wax deposition, reduce the consumption of the energy.And heat collector, heat collection water tank, heat-exchanging water tank and electric heater, and simple
Water jacket furnace is compared, and safety is higher, and utilizes solar heating in crude oil, decrease the consumption to non-renewable resources such as coals and
Pollution to environment.
Embodiment two
Embodiments provide a kind of well site raw oil heater, referring to Fig. 2, this device includes heat collector 1, thermal-arrest
Water tank 2, heat-exchanging water tank 3, collection hot recycle pump 4, heat cycles pump 5, electric heater 6, sensor group 7, control module 8 and power supply
Module 9.
In the present embodiment, heat collector 1 is used for collecting solar energy, and heat collection water tank 2 is used for storing the sun of heat collector collection
Can, heat-exchanging water tank 3 is used for carrying out heat exchange with the crude oil in oil pipeline 10, and collection hot recycle pump 4 is used for the water in heat collector 1
Swap with the water in heat collection water tank 2, heat cycles pump 5 is used for entering the water in heat collection water tank 2 with the water in heat-exchanging water tank 3
Row exchanges, and electric heater 6 is used for heating the water in heat-exchanging water tank 3.
Heat collector 1 passes through collection hot recycle pump 4 with heat collection water tank 2 and connects, and heat collection water tank 2 and heat-exchanging water tank 3 are followed by heating
Ring pump 5 connects, and heat-exchanging water tank 3 is arranged on the outside of the oil pipeline 10 in well site, and electric heater 6 is arranged in heat-exchanging water tank 3.Tool
Body ground, heat-exchanging water tank 3 can be arranged on the lower section of heat collection water tank 2, and the oil pipeline 10 being arranged in heat-exchanging water tank 3 is coil pipe.
Sensor group 7 include for measure heat collector temperature first sensor, for measure heat collection water tank temperature the
Two sensors and the 3rd sensor for measuring crude exports temperature.
Control module 8 is used for the heat collection water tank that the heat collector temperature recording according to first sensor and second sensor record
The start and stop of temperature control collection hot recycle pump 4, the heat collection water tank temperature being recorded according to second sensor and 3rd sensor record
The start and stop of crude exports temperature control heat cycles pump 5 and the start and stop of electric heater 6.Control module 8 respectively with first sensor,
Second sensor, 3rd sensor, collection hot recycle pump 4, heat cycles pump 5, electric heater 6 connect.
Power module 9 is used for powering for control module 8, collection hot recycle pump 4, heat cycles pump 5 and electric heater 6.Electricity
Source module 9 is electrically connected with control module 8, collection hot recycle pump 4, heat cycles pump 5 and electric heater 6 respectively.
Further, when heat-exchanging water tank 3 is arranged on the lower section of heat collection water tank 2, control module 8 can be used for, when first
When the heat collection water tank temperature that sensor records is less than the heat collection water tank temperature minimum setting, electric heater 6 is controlled to bring into operation；
When the run time of electric heater 6 reaches the very first time, control electric heater 6 out of service.
Alternatively, control module 8 can include relay group and controller, the cost making this device relatively low it is easy to safeguard.
Specifically, controller can be PLC（Programmable Logic Controller, programmable logic controller (PLC)）.Easily know
Road, control module 8 can also be on-off circuit, and the present invention is not restricted to this.
Alternatively, power module 9 can include main power source, stand-by power supply and power management module.Power management module
For when mains power failure, switching to stand-by power supply to power it is ensured that the normal operation of this device is not subject to the shadow of power failure
Ring.
Specifically, power management module is connected with main power source, stand-by power supply, control module 8 respectively.
In a kind of implementation of the present embodiment, sensor group 7 can also be included for measuring crude oil inlet temperature
4th sensor and for measuring environment temperature the 5th sensor, control module 8 also respectively with the 4th sensor, the 5th sensing
Device electrically connects.
Control module 8 is additionally operable to, the ring that the crude oil inlet temperature being recorded according to the 4th sensor and the 5th sensor record
Border temperature setting crude exports temperature maximum and crude exports temperature minimum, this setting can be periodically executed, and makes electrical heating
Device can be using different start and stop standards, save energy in season in winter in summer two.As crude exports temperature minimum summer be 30 DEG C-
35 DEG C, in the winter time for 40 DEG C -55 DEG C.Generally by the difference between crude exports temperature maximum and crude exports temperature minimum
It is set as 3-5 DEG C, such as crude exports temperature maximum is 43 DEG C, crude exports temperature minimum is 40 DEG C.
For example, the meansigma methodss of crude oil inlet temperature are divided into six first intervals：0-10、10-15、15-20、20-
25th, 25-30,30-60, each first interval represents+25 ,+20 ,+15 ,+10 ,+5 ,+0 successively；The meansigma methodss of ambient temperature are divided
For six second intervals：It is less than（-20）、（-20）-（-10）、（-10）- 0,0-10,10-20, be more than 20, each second interval according to
Secondary representative+25 ,+20 ,+15 ,+10 ,+5 ,+0；Crude exports temperature minimum is equal to what crude oil inlet temperature+first interval increased
The value that value+second interval increases.For example, the meansigma methodss of crude oil inlet temperature are 17 DEG C, and the meansigma methodss of ambient temperature are 16 DEG C, then
Crude exports temperature minimum is set to 17+15+5=37 DEG C.
In another kind of implementation of the present embodiment, sensor group 7 can also be included for measuring heat collection water tank water level
The 6th sensor and alarm module 11, control module 8 also electrically connected with the 6th sensor, alarm module 11 respectively.
In this implementation, control module 8 is additionally operable to, and sets when the heat collection water tank water level that the 6th sensor records is less than
Water tank low-water alarm value when, or the heat collection water tank water level recording when the 6th sensor is higher than the water tank high water-level alarm setting
During value, control alarm module 11 to send alarm signal, remind staff's moisturizing or stop moisturizing.Wherein, water tank low water level report
Alert value, water tank high water-level alarm value are the parameter value setting, and water tank low alarm value is less than water tank full level alarm value.In addition, by
It is connection between heat collection water tank 2 and heat-exchanging water tank 3, therefore only need to make up heat collection water tank 2 to heat collection water tank 2 moisturizing
And/or the hydropenia being caused due to reasons such as water evaporations in heat-exchanging water tank 3.
In another implementation of the present embodiment, sensor group 7 can also be included for measuring heat collector 1 and thermal-arrest
7th sensor of the conduit temperature between water tank 2, control module 8 is also electrically connected with the 7th sensor.
In this implementation, control module 8 is additionally operable to, and when what the conduit temperature that the 7th sensor records was less than setting is
During antifreeze opening temperature value of uniting, domination set hot recycle pump 4 brings into operation；When the run time of collection hot recycle pump 4 reaches setting
During system antifreeze opening time value, domination set hot recycle pump 4 is out of service, and the water in anti-antipriming pipe freezes.Wherein, system is antifreeze
Opening temperature value, the system antifreeze opening time is worth the parameter value for setting.
Further, this device can also include heating tape 12, and heating tape 12 is arranged on water pipe, control module 8 also with
Heating tape 12 electrically connects.
In this implementation, when conduit temperature is less than the heating tape temperature operating temperature value setting, control heating tape
12 bring into operation；When the run time of heating tape 12 reaches the heating tape opening time value of setting, heating tape 12 is controlled to stop
Run, the water in anti-antipriming pipe freezes.Wherein, heating tape operating temperature value, heating tape opening time are worth the parameter value for setting,
Heating tape operating temperature value is less than system antifreeze opening temperature value.
In another implementation of the present embodiment, this device can also include cabinet 13 and cabinet heater 14, control
Molding block 8 is located in cabinet 13, and control module 8 is also electrically connected with cabinet heater 14.Sensor group 1 can also be included for surveying
8th sensor of amount cabinet temperature, control module 8 is also electrically connected with the 8th sensor.
In this implementation, control module 8 is additionally operable to, when the cabinet temperature that the 8th sensor records is less than the cabinet setting
During body heater opening temperature value, switch board body heater 14 brings into operation；After cabinet heater 14 brings into operation, when
When the cabinet temperature that eight sensors record is more than the cabinet heater closing temperature value setting, switch board body heater 14 stops fortune
OK, provide suitable operating temperature for control module 8.Wherein, cabinet heater opening temperature value, cabinet heater closing temperature
It is worth the parameter value for setting, cabinet heater opening temperature value is less than cabinet closing temperature value, such as cabinet heater opening temperature
It is worth for 2 DEG C, cabinet heater closing temperature value is 5 DEG C.
In another implementation of the present embodiment, this device can also include display module 15, input module 16 and
One or more of alarm module 11, control module 8 is also electric with display module 15, input module 16, alarm module 11 respectively
Connect.Display module 15 is used for showing sensor group 7 numerical value recording, the parameter value setting, the operation feelings of collection hot recycle pump 4
The ruuning situation of condition, the ruuning situation of heat cycles pump 5 and electric heater 6, makes staff learn that sensor group 7 records
The information such as numerical value.Input module 16 is used for receiving manual command, refers to including parameter value modification instruction, thermal-arrest pump operating cycle
Make, heat cycles pump operation instructs, electric heater operating instruction, makes staff that the operation of this device is controlled.Report to the police
Module 11 is used for being reported to the police under the control of control module 8, such as when power module 9 fault, sends alarm signal, makes work
Personnel learn that power module 9 there occurs fault in time, thus carrying out changing the process of power module.
Alternatively, display module 15 can be display screen, and input module 16 can be touch screen or switches set, alarm device
11 can be display lamp group.
Specifically, switches set is used for one of domination set hot recycle pump 4, heat cycles pump 5, heat cycles pump 6 or many
Individual start and stop, switches set is electrically connected with control module 8, in artificial domination set hot recycle pump 4, heat cycles pump 5, electric heater 6
One or more start and stop.
It is readily apparent that, the quantity of switches set breaker in middle can be according to the collection hot recycle pump 4 for heating well site crude oil, heating
The quantity of the equipment such as circulating pump 5 and electric heater 6 determines, a switch corresponds to an equipment, such as when well site heating crude oil dress
When putting including collection 4, heat cycles pump 5 of hot recycle pump and an electric heater 6, the quantity of switches set breaker in middle
For 3, and a switch corresponding collection hot recycle pump 4, the corresponding heat cycles pump 5 of another switch, the corresponding electrical heating of another switch
Device 6.
Alternatively, the switch in switches set can be rotary switch, and such as this rotary switch includes " automatic ", " closes manually
Close ", " manually booting " three gears, " automatic " gear represents the numerical value and setting being recorded according to sensor group 7 by control module 8
Parameter value be automatically controlled, " manual-lock " gear represent to control module 8 send shutdown signal, " manually booting " gear
Represent and send enabling signal to control module 8.
In another implementation of the present embodiment, this device can also include trim set hot recycle pump, standby heating
One or more in circulating pump and standby electric heater, heat collector 1 is connected by trim set hot recycle pump with heat collection water tank 2, collection
Boiler 2 is connected by standby heat cycles pump with heat-exchanging water tank 3, and standby electric heater is arranged in heat-exchanging water tank 3, controls mould
Block 8 is also electrically connected with trim set hot recycle pump, standby heat cycles pump, standby electric heater respectively.Trim set hot recycle pump is used
Water energy in the water and heat collection water tank 2 when collecting hot recycle pump 4 fault it is ensured that in heat collector 1 swaps, and standby heating follows
The water energy that ring pump is used in the water and heat-exchanging water tank 3 when heat cycles pump 5 fault it is ensured that in heat collection water tank 2 swaps, really
Protect the normal operation of solar energy heating.Standby electric heater is used for being unsatisfactory for when electric heater 6 heats the water in heat-exchanging water tank 3
Require（Do not reach the crude exports temperature maximum of setting）When, heat the water in heat-exchanging water tank 3 with electric heater 6 simultaneously, carry
High electrically heated effect.
When this device includes trim set hot recycle pump, sensor group 7 is also included for measuring heat collector 1 and heat collection water tank
7th sensor of the conduit temperature between 2.When this device includes standby heat cycles pump, sensor group 7 also include for
9th sensor of measurement heat-exchanging water tank temperature.
Specifically, control module 8 is additionally operable to, when the water pump that the run time of collection hot recycle pump 4 reaches setting automatically switches
Time（As 2 minutes）When, if the conduit temperature that the 7th sensor records, the 7th sensor before bringing into operation with collection hot recycle pump 4
Difference between the conduit temperature recording is less than the temperature difference threshold setting（As 1 DEG C）, then standby heat-collecting pump is controlled to bring into operation；?
After trim set hot recycle pump brings into operation, the difference between heat collector temperature and heat collection water tank temperature is less than the thermal-arrest setting
When stopping temperature approach, control trim set hot recycle pump out of service.
When the run time of heat cycles pump 5 reaches water pump automatic switchover time value, if changing of recording of the 9th sensor
Boiler temperature, and heat cycles pump bring into operation before difference between the heat-exchanging water tank temperature that records of the 9th sensor be less than temperature
Difference limen value, then control standby heat cycles pump to bring into operation；After standby heat cycles pump brings into operation, when crude exports temperature
When degree is more than the crude exports peak setting, control standby heat cycles pump out of service.
When the run time of electric heater 6 reaches the very first time value of setting, if crude exports temperature is less than setting
During crude exports temperature maximum, standby electric heater is controlled to bring into operation；Set when the run time of standby electric heater reaches
During fixed second time value, control standby electric heater out of service.
Heat collector temperature that the embodiment of the present invention is recorded according to sensor group by control module, heat collection water tank temperature, former
Oil export temperature control collection hot recycle pump, heat cycles pump, the start and stop of electric heater, and then control the temperature of well site crude oil, will
Oil-temperature control within the specific limits, reaches the precise control to oil temperature and constant control, ensure crude oil in course of conveying not
In the case of wax deposition, reduce the consumption of the energy.And heat collector, heat collection water tank, heat-exchanging water tank and electric heater, and simple
Water jacket furnace is compared, and safety is higher, and utilizes solar heating in crude oil, decrease the consumption to non-renewable resources such as coals and
Pollution to environment.
Embodiment three
Embodiments provide a kind of crude oil heating system in well site, referring to Fig. 3, this system includes at least one well site
Raw oil heater 31 and host computer 32.Well site raw oil heater 31 is the well site crude oil of embodiment one or embodiment two offer
Heater, well site raw oil heater 31 is communicated to connect with host computer 32.
Specifically, host computer 32 can be used for receiving the numerical value that the sensor group of well site raw oil heater 31 records, sets
Fixed parameter value, the ruuning situation of collection hot recycle pump, the ruuning situation of heat cycles pump, the ruuning situation of electric heater, power supply
The ruuning situation of module, sends parameter value modification instruction, the instruction of thermal-arrest pump operating cycle, heating to well site raw oil heater 31
Pump operating cycle instruction, electric heater operating instruction.
Alternatively, the communication interface between well site raw oil heater 31 and host computer 32 can be DTU（Data
Transfer Unit, data transmission unit）Or Ethernet interface.
It is readily apparent that, this data can be shown in the form of form or curve by host computer 32 according to the data receiving
Come.
Further, when host computer also receives the numbering of well site raw oil heater 31, host computer can be to more than
One well site raw oil heater 31 carries out remotely control.Further, since the numbering of well site raw oil heater 31 is former with well site
Corresponding relation between the geographical position of oil heating unit 31 can preset, and therefore host computer 32 can also be former according to well site
The numbering of oil heating unit 31, gets the geographical position of well site raw oil heater 31.
Heat collector temperature that the embodiment of the present invention is recorded according to sensor group by control module, heat collection water tank temperature, former
Oil export temperature control collection hot recycle pump, heat cycles pump, the start and stop of electric heater, and then control the temperature of well site crude oil, will
Oil-temperature control within the specific limits, reaches the precise control to oil temperature and constant control, ensure crude oil in course of conveying not
In the case of wax deposition, reduce the consumption of the energy.And heat collector, heat collection water tank, heat-exchanging water tank and electric heater, and simple
Water jacket furnace is compared, and safety is higher, and utilizes solar heating in crude oil, decrease the consumption to non-renewable resources such as coals and
Pollution to environment.In addition, remotely control can be carried out to well site raw oil heater by host computer, can be to crude oil temperature
Carry out timely and convenient management, because oil field region is wide, remote location place, therefore can reduce people to a certain extent
The configuration of member.
Example IV
Embodiments provide a kind of well site heating crude oil control method it is adaptable to the well site of embodiment one offer is former
Oil heating unit, referring to Fig. 4, the method includes：
Step 401：Measurement heat collector temperature, heat collection water tank temperature and crude exports temperature.
Step 402a：Difference between heat collector temperature and heat collection water tank temperature is more than the thermal-arrest setting and starts temperature approach
When, domination set hot recycle pump brings into operation.
Step 402b：Difference after collection hot recycle pump brings into operation, between heat collector temperature and heat collection water tank temperature
When value stops temperature approach less than the thermal-arrest setting, or when heat collector temperature is more than the heat collection water tank temperature maximum setting, control
System collection hot recycle pump is out of service.
Step 403a：When crude exports temperature is more than less than the crude exports temperature minimum setting, heat collection water tank temperature
During crude exports temperature, heat cycles pump is controlled to bring into operation.This step 403a executes after step 401, with step 402a
There is no sequencing.
Step 403b：After heat cycles pump brings into operation, when crude exports temperature is more than the crude exports temperature setting
During degree peak, control heat cycles pump out of service, and control heat cycles pump out of service.This step 403b is in step
Execute after 403a.
Step 404a：When the run time of heat cycles pump reaches the water pump opening time value of setting, if crude exports
Temperature is less than crude exports temperature minimum, then control electric heater to bring into operation.This step 404a is held after step 403a
OK.
Step 404b：When the run time of electric heater reaches the very first time value of setting, if crude exports temperature is big
When crude exports temperature maximum, control electric heater out of service.This step 404b executes after step 404a.
In the present embodiment, thermal-arrest starts temperature approach, thermal-arrest stops temperature approach, heat collection water tank temperature maximum, crude oil go out
Mouthful temperature minimum, crude exports temperature maximum, water pump opening time value, the very first time are worth the parameter value for setting, thermal-arrest
Start temperature approach and be more than thermal-arrest stopping temperature approach, crude exports minimum is less than crude exports peak.
It is readily apparent that, in actual applications, the numerical value such as heat collector temperature, heat collection water tank temperature and crude exports temperature
Can be recorded by sensor, the start and stop of the equipment such as collection hot recycle pump, heat cycles pump and electric heater can be by control module
Control.
The embodiment of the present invention is passed through according to heat collector temperature, heat collection water tank temperature, crude exports temperature control collection thermal cycle
Pump, heat cycles pump, the start and stop of electric heater, and then control the temperature of well site crude oil, by Oil-temperature control within the specific limits, reach
To the precise control of oil temperature and constant control, ensureing that crude oil not in the case of wax deposition, reduces the energy in course of conveying
Consume.And heat collector, heat collection water tank, heat-exchanging water tank and electric heater, compared with simple water jacket furnace, safety is higher, and
And utilize solar heating in crude oil, decrease the consumption to non-renewable resources such as coals and the pollution to environment.
Embodiment five
Embodiments provide a kind of well site heating crude oil control method it is adaptable to the well site of embodiment two offer is former
Oil heating unit, referring to Fig. 5, the method includes：
Step 501：Measurement heat collector temperature, heat collection water tank temperature and crude exports temperature.
Step 502a：Difference between heat collector temperature and heat collection water tank temperature is more than the thermal-arrest setting and starts temperature approach
When, domination set hot recycle pump brings into operation.
Step 502b：Difference after collection hot recycle pump brings into operation, between heat collector temperature and heat collection water tank temperature
When value stops temperature approach less than the thermal-arrest setting, or when heat collector temperature is more than the heat collection water tank temperature maximum setting, control
System collection hot recycle pump is out of service.
Step 503a：When crude exports temperature is more than less than the crude exports temperature minimum setting, heat collection water tank temperature
During crude exports temperature, heat cycles pump is controlled to bring into operation.This step 503a executes after step 501, with step 502a
There is no sequencing.
Step 503b：After heat cycles pump brings into operation, when crude exports temperature is more than the crude exports temperature setting
During degree peak, control heat cycles pump out of service.This step 503b executes after step 503a.
Step 504a：When the run time of heat cycles pump reaches the water pump opening time value of setting, if crude exports
Temperature is less than crude exports temperature minimum, then control electric heater to bring into operation, and control heat cycles pump out of service.Should
Step 504a executes after step 503a.
Step 504b：When the run time of electric heater reaches the very first time value of setting, if crude exports temperature is big
When crude exports temperature maximum, control electric heater out of service.This step 504b executes after step 504a.
In the present embodiment, thermal-arrest starts temperature approach, thermal-arrest stops temperature approach, heat collection water tank temperature maximum, crude oil go out
Mouthful temperature minimum, crude exports temperature maximum, water pump opening time value, the very first time are worth the parameter value for setting, thermal-arrest
Start temperature approach and be more than thermal-arrest stopping temperature approach, crude exports minimum is less than crude exports peak.
It is readily apparent that, in actual applications, the numerical value such as heat collector temperature, heat collection water tank temperature and crude exports temperature
Can be recorded by sensor, the start and stop of the equipment such as collection hot recycle pump, heat cycles pump and electric heater can be by control module
Control.
In a kind of implementation of the present embodiment, the method can also include step 505：Record to host computer transmission
Numerical value, the parameter value setting, the ruuning situation of collection hot recycle pump, the ruuning situation of heat cycles pump, the operation feelings of electric heater
Condition, the situation of power supply；And/or, receive the control instruction that host computer sends, control instruction is included one of to give an order or many
Kind：Parameter value modification instruction, the instruction of thermal-arrest pump operating cycle, the instruction of heat cycles pump operation, electric heater operating instruction.This step
Rapid 505 execute after step 501, can carry out remotely control to well site raw oil heater.
In another kind of implementation of the present embodiment, the method can also include step：Operation when collection hot recycle pump
When time reaches the water pump automatic switchover time value of setting, if the conduit temperature between heat collector and heat collection water tank, follow with thermal-arrest
Ring pump bring into operation before conduit temperature between difference be less than set temperature difference threshold, then control trim set hot recycle pump start
Run；After trim set hot recycle pump brings into operation, the difference between heat collector temperature and heat collection water tank temperature is less than and sets
When fixed thermal-arrest stops temperature approach, or when heat collection water tank temperature is more than the heat collection water tank temperature maximum setting, control standby
Collection hot recycle pump is out of service.This step executes after step 502a, when collecting hot recycle pump fault it is ensured that solar energy adds
The normal operation of heat.Wherein, water pump automatic switchover time value is the parameter value setting.
In another implementation of the present embodiment, the method can also include step：Operation when heat cycles pump
When time reaches water pump automatic switchover time value, if heat-exchanging water tank temperature and heat cycles pump bring into operation before heat-exchanging water tank temperature
Difference between degree is less than temperature difference threshold, then control standby heat cycles pump to bring into operation；Start to transport in standby heat cycles pump
After row, when crude exports temperature is more than the crude exports temperature maximum setting, or after electric heater brings into operation,
Control standby heat cycles pump out of service.This step executes after step 503a, when heat cycles failure of pump it is ensured that
The normal operation of solar energy heating.
In another implementation of the present embodiment, the method can also include step：When the operation of electric heater
Between when reaching very first time value, if crude exports temperature is less than crude exports temperature maximum, control standby electric heater to open
Begin to run；When the run time of standby electric heater reaches the second time of setting, control standby electric heater out of service.
This step executes after step 504a, so that electric heater and standby electric heater is heated simultaneously, improves electrically heated effect.
Wherein, the second time value is the parameter value setting.
In another implementation of the present embodiment, the method can also include step：Set when heat collector temperature is more than
When fixed anti-air drying protects temperature value, domination set hot recycle pump brings into operation；When the run time of collection hot recycle pump reaches setting
Anti-air drying guard time value when, domination set hot recycle pump is out of service.This step executes after step 501, can prevent from collecting
Hot device temperature is too high.Wherein, anti-air drying protects temperature value, anti-air drying guard time value is the parameter value setting.
In another implementation of the present embodiment, the method can also include step：Measurement crude oil inlet temperature and
Ambient temperature；Based on crude inlet temperature and ambient temperature setting crude exports temperature maximum and crude exports temperature minimum
Value.This step executed before step 503a, made electric heater can save energy using different start and stop standards in season in winter in summer two
Source.
In another implementation of the present embodiment, the method can also include step：Measurement heat collection water tank water level；When
When heat collection water tank water level is less than the water tank low-water alarm value setting, or when heat collection water tank water level is higher than the water tank high water level setting
During alarming value, send alarm signal.This step and step 501 do not have sequencing, remind staff's moisturizing or stop moisturizing.
Wherein, water tank low-water alarm value, water tank high water-level alarm value are the parameter value setting, and water tank low-water alarm value is less than water tank
High water-level alarm value.
In another implementation of the present embodiment, the method can also include step：Measurement heat collector and collection hot water
Conduit temperature between case；When conduit temperature is less than the system antifreeze opening temperature value setting, domination set hot recycle pump starts
Run；When the run time collecting hot recycle pump reaches the system antifreeze time started value of setting, domination set hot recycle pump stops
Run.This step and step 501 do not have sequencing, can the water in anti-antipriming pipe freeze.Wherein, the antifreeze opening temperature of system
Value, the system antifreeze time started is worth the parameter value for setting.
Further, the method can also include step：When conduit temperature is less than the heating tape operating temperature value setting,
Heating tape is controlled to bring into operation；When the run time of heating tape reaches the heating tape opening time value of setting, control heating tape
Out of service.This step and step 501 do not have sequencing, can the water in anti-antipriming pipe freeze.Wherein, heating tape operating temperature
Value, heating tape opening time are worth the parameter value for setting, and heating tape operating temperature value is less than system antifreeze opening temperature value.
In the another implementation of the present embodiment, the method can also include step：Measurement cabinet temperature；When cabinet temperature
When degree is less than the cabinet heater opening temperature value setting, switch board body heater brings into operation；Start to transport in cabinet heater
After row, when cabinet temperature is more than the cabinet heater closing temperature value setting, switch board body heater is out of service.This step
Rapid and step 501 does not have sequencing, provides suitable operating temperature for heater.Wherein, cabinet heater opening temperature
Value, cabinet heater closing temperature value are the parameter value setting, and cabinet heater opening temperature value is less than cabinet heater and closes
Temperature value.
The embodiment of the present invention is passed through according to heat collector temperature, heat collection water tank temperature, crude exports temperature control collection thermal cycle
Pump, heat cycles pump, the start and stop of electric heater, and then control the temperature of well site crude oil, by Oil-temperature control within the specific limits, reach
To the precise control of oil temperature and constant control, ensureing that crude oil not in the case of wax deposition, reduces the energy in course of conveying
Consume.And heat collector, heat collection water tank, heat-exchanging water tank and electric heater, compared with simple water jacket furnace, safety is higher, and
And utilize solar heating in crude oil, decrease the consumption to non-renewable resources such as coals and the pollution to environment.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can pass through hardware
To complete it is also possible to the hardware being instructed correlation by program is completed, described program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read only memory, disk or CD etc..
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (21)
1. a kind of well site raw oil heater is it is characterised in that described device includes heat collector, is used for storing described heat collector receipts
Collection the heat collection water tank of solar energy, for oil pipeline in crude oil carry out heat exchange heat-exchanging water tank, collection hot recycle pump, plus
Hot recycle pump, electric heater, sensor group, control module and power module；
Described heat collector and described heat collection water tank are connected by described collection hot recycle pump, described heat collection water tank and described heat-exchanging water tank
Connected by described heat cycles pump, described heat-exchanging water tank is arranged on the outside of described oil pipeline, described electric heater setting
In described heat-exchanging water tank；
Described sensor group include for measure described heat collector temperature first sensor, be used for measuring described heat collection water tank temperature
The second sensor of degree and the 3rd sensor for measuring described crude exports temperature；
Described control module, described heat collector temperature and described second sensor for being recorded according to described first sensor are surveyed
The start and stop of hot recycle pump, the heat collection water tank recording according to described second sensor is collected described in the described heat collection water tank temperature control obtaining
Start and stop of heat cycles pump described in described crude exports temperature control that temperature and described 3rd sensor record and described electricity plus
The start and stop of hot device；Described control module respectively with described first sensor, described second sensor, described 3rd sensor, institute
State collection hot recycle pump, described heat cycles pump and the electrical connection of described electric heater；
Described power module, for for described control module, described collection hot recycle pump, described heat cycles pump and described electricity
Heating installation power supply；Described power module respectively with described control module, described collection hot recycle pump, described heat cycles pump and described
Electric heater electrically connects.
2. device according to claim 1 is it is characterised in that described sensor group is also included for measuring crude oil entrance temperature
4th sensor of degree and the 5th sensor for measuring environment temperature, described control module also senses with the described 4th respectively
Device, described 5th sensor electrical connection；
Described control module is additionally operable to, and the crude oil inlet temperature being recorded according to described 4th sensor and described 5th sensor are surveyed
The ambient temperature obtaining arranges described crude exports temperature maximum and described crude exports temperature minimum.
3. device according to claim 1 is it is characterised in that described sensor group is also included for measuring described collection hot water
6th sensor of case water level and alarm module, described control module also respectively with described 6th sensor, described alarm module
Electrical connection；
Described control module is additionally operable to, when the described heat collection water tank water level that described 6th sensor records is low less than the water tank setting
During water-level alarm value, or when the described heat collection water tank water level that described 6th sensor records is higher than the water tank high water-level alarm setting
During value, described alarm module is controlled to send alarm signal.
4. device according to claim 1 is it is characterised in that described sensor group is also included for measuring described heat collector
7th sensor of the conduit temperature and described heat collection water tank between, described control module is also electrically connected with described 7th sensor
Connect；
Described control module is additionally operable to, and when the described conduit temperature that described 7th sensor records is less than, the system setting is antifreeze to be opened
When opening temperature value, described collection hot recycle pump is controlled to bring into operation；When what the run time of described collection hot recycle pump reached setting it is
During antifreeze opening time value of uniting, control described collection hot recycle pump out of service.
5. it is characterised in that described device also includes heating tape, described heating tape is arranged device according to claim 4
On described water pipe, described control module is also electrically connected with described heating tape；
Described control module is additionally operable to, when the described conduit temperature that described 7th sensor records is less than the heating tape work setting
During temperature value, described heating tape is controlled to bring into operation；When the heating tape that the run time of described heating tape reaches setting is opened
Between be worth when, control described heating tape out of service.
6. device according to claim 1 is it is characterised in that described device also includes cabinet and cabinet heater, described
Control module is located in described cabinet, and described control module is also electrically connected with described cabinet heater；
Described sensor group also includes the 8th sensor for measuring described cabinet temperature, and described control module is also with described
Eight sensor electrical connections；
Described control module is additionally operable to, and opens temperature when the described cabinet temperature that described 8th sensor records is less than the cabinet setting
During angle value, described cabinet heater is controlled to bring into operation；After described cabinet heater brings into operation, when the described 8th sensing
When the described cabinet temperature that device records is more than the cabinet heater closing temperature value setting, described cabinet heater is controlled to stop fortune
OK.
7. device according to claim 1 is it is characterised in that described device also includes display module, input module and report
One or more of alert module, described display module be used for showing the described sensor group numerical value recording, the parameter value setting,
The ruuning situation of the ruuning situation, the ruuning situation of described heat cycles pump and described electric heater of described collection hot recycle pump,
Described input module is used for receiving manual command, and described alarm module is used for being reported to the police under the control of described control module；
Described control module is also electrically connected with described display module, described input module, described alarm module respectively.
8. device according to claim 1 is it is characterised in that described device also includes standby electric heater, described control
Module is also electrically connected with described standby electric heater；
Described control module is additionally operable to, when the run time of described electric heater reaches the very first time value of setting, if described
When crude exports temperature is less than the crude exports temperature maximum setting, described standby electric heater is controlled to bring into operation；
When the run time of described standby electric heater reaches the second time value of setting, described standby electric heater is controlled to stop
Only run.
9. device according to claim 1 is it is characterised in that described device also includes trim set hot recycle pump, described biography
Sensor group also includes the 7th sensor for measuring the conduit temperature between described heat collector and described heat collection water tank, and/or
Described device also includes standby heat cycles pump, and described sensor group also includes the 9th sensing for measuring heat-exchanging water tank temperature
Device, described control module also respectively with described trim set hot recycle pump, described standby heat cycles pump, described 7th sensor,
Described 9th sensor electrical connection；
Described control module is additionally operable to, when the run time of described collection hot recycle pump reaches the water pump automatic switchover time value of setting
When, if the described conduit temperature that described 7th sensor records, described 7th sensing before bringing into operation with described collection hot recycle pump
Difference between the described conduit temperature that device records is less than the temperature difference threshold setting, then control described standby heat-collecting pump to start to transport
OK；
After described trim set hot recycle pump brings into operation, between described heat collector temperature and described heat collection water tank temperature
When difference is less than the thermal-arrest stopping temperature approach setting, control described trim set hot recycle pump out of service；
When the run time of described heat cycles pump reaches described water pump automatic switchover time value, if described 9th sensor is surveyed
The described heat-exchanging water tank temperature obtaining, the described heat-exchanging water that before bringing into operation with described heat cycles pump, described 9th sensor records
Difference between case temperature is less than described temperature difference threshold, then control described standby heat cycles pump to bring into operation；
After described standby heat cycles pump brings into operation, when described crude exports temperature is more than the crude exports temperature setting
During peak, or after described electric heater brings into operation, control described standby heat cycles pump out of service.
10. device according to claim 1 it is characterised in that described power module include main power source, stand-by power supply, with
And Power Management Unit；Described Power Management Unit is used for, when described mains power failure, switching to described stand-by power supply to power.
A kind of 11. crude oil heating system in well site it is characterised in that described system include at least one well site raw oil heater and
Host computer, described well site raw oil heater is the well site raw oil heater as described in any one of claim 1-10, described
Well site raw oil heater and described host computer communication connection.
A kind of 12. well site heating crude oil control methods are it is characterised in that methods described includes：
Measurement heat collector temperature, heat collection water tank temperature and crude exports temperature；
When difference between described heat collector temperature and described heat collection water tank temperature starts temperature approach more than the thermal-arrest setting, control
System collection hot recycle pump brings into operation；
Difference after described collection hot recycle pump brings into operation, between described heat collector temperature and described heat collection water tank temperature
When stopping temperature approach less than the thermal-arrest setting, or when described heat collection water tank temperature is more than the heat collection water tank temperature maximum setting
When, control described collection hot recycle pump out of service；
When described crude exports temperature is less than the crude exports temperature minimum setting, described heat collection water tank temperature more than described former
During oil export temperature, heat cycles pump is controlled to bring into operation；
After described heat cycles pump brings into operation, when described crude exports temperature is more than the crude exports temperature highest setting
During value, control described heat cycles pump out of service；
When the run time of heat cycles pump reaches the water pump opening time value of setting, if described crude exports temperature is less than institute
State crude exports temperature minimum, then control electric heater to bring into operation, and control described heat cycles pump out of service；
When the run time of described electric heater reaches the very first time value of setting, if described crude exports temperature is more than described
Crude exports temperature maximum, then control described electric heater out of service.
13. methods according to claim 12 are it is characterised in that methods described also includes：
When the run time of described collection hot recycle pump reaches the water pump automatic switchover time value of setting, if described heat collector and institute
State the conduit temperature between heat collection water tank, and the described difference collecting between the described conduit temperature before hot recycle pump brings into operation is little
In the temperature difference threshold setting, then trim set hot recycle pump is controlled to bring into operation；
After described trim set hot recycle pump brings into operation, between described heat collector temperature and described heat collection water tank temperature
When difference is less than the thermal-arrest stopping temperature approach setting, or when described heat collection water tank temperature is more than the heat collection water tank temperature highest setting
During value, control described trim set hot recycle pump out of service；
When the run time of described heat cycles pump reaches described water pump automatic switchover time value, if heat-exchanging water tank temperature and institute
The difference stated between the described heat-exchanging water tank temperature before heat cycles pump brings into operation is less than described temperature difference threshold, then control standby
Heat cycles pump brings into operation；
After described standby heat cycles pump brings into operation, when described crude exports temperature is more than the crude exports temperature setting
During peak, or after described electric heater brings into operation, control described standby heat cycles pump out of service.
14. methods according to claim 12 are it is characterised in that methods described also includes：
When the run time of described electric heater reaches described very first time value, if described crude exports temperature is less than described former
Oil export temperature maximum, then control standby electric heater to bring into operation；
When the time of described standby electric heater reaching the second time value of setting, described standby electric heater is controlled to stop fortune
OK.
15. methods according to claim 12 are it is characterised in that methods described also includes：
When described heat collector temperature is more than the anti-air drying protection temperature value setting, described collection hot recycle pump is controlled to bring into operation；
When the run time of described collection hot recycle pump reaches the anti-air drying guard time value of setting, control described collection hot recycle pump
Out of service.
16. methods according to claim 12 are it is characterised in that methods described also includes：
Measurement crude oil inlet temperature and ambient temperature；
Described crude exports temperature maximum is arranged according to described crude oil inlet temperature and described ambient temperature and described crude oil goes out
Mouth temperature minimum.
17. methods according to any one of claim 12-16 are it is characterised in that methods described also includes：
Measure described heat collection water tank water level；
When described heat collection water tank water level is less than the water tank low-water alarm value setting, or when described heat collection water tank water level is higher than to set
During fixed water tank high water-level alarm value, send alarm signal.
18. methods according to any one of claim 12-16 are it is characterised in that methods described also includes：
Measure the conduit temperature between described heat collector and described heat collection water tank；
When described conduit temperature is less than the system antifreeze opening temperature value setting, described collection hot recycle pump is controlled to bring into operation；
When the run time of described collection hot recycle pump reaches the system antifreeze time started value of setting, control described collection thermal cycle
Pump is out of service.
19. methods according to claim 18 are it is characterised in that methods described also includes：
When described conduit temperature is less than the heating tape operating temperature value setting, heating tape is controlled to bring into operation；
When the run time of described heating tape reaches the heating tape opening time value of setting, described heating tape is controlled to stop fortune
OK.
20. methods according to any one of claim 12-16 are it is characterised in that methods described also includes：
Measurement cabinet temperature；
When described cabinet temperature is less than the cabinet heater opening temperature value setting, switch board body heater brings into operation；
After described cabinet heater brings into operation, when described cabinet temperature is more than the cabinet heater closing temperature value setting
When, control described cabinet heater out of service.
21. methods according to any one of claim 12-16 are it is characterised in that methods described also includes：
Send the numerical value recording, the parameter value setting, the ruuning situation of described collection hot recycle pump, described heat cycles to host computer
The ruuning situation of pump, the ruuning situation of described electric heater, the situation of power supply；And/or,
Receive the control instruction that host computer sends, described control instruction is included one or more of to give an order：Described parameter
Value modification instruction, the instruction of described thermal-arrest pump operating cycle, the instruction of described heat cycles pump operation, described electric heater run and refer to
Order.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104896567B (en) * | 2015-05-06 | 2018-03-16 | 福建农林大学 | Multiple-energy-source combines hot-water heating system and control method |
| CN106708006B (en) * | 2016-11-08 | 2019-06-28 | 北京国电智深控制技术有限公司 | A kind of control method and device of heat collection unit |
| CN113551430B (en) * | 2021-07-30 | 2023-03-31 | 尚阳储能(北京)科技有限公司 | Solar heating method and equipment for crude oil |
| CN116006128B (en) * | 2023-01-04 | 2023-11-28 | 河北瑞丁自动化设备有限公司 | Paraffin preventing device for well bore of oil extraction well heated by solar energy |
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