CN2913595Y - New type vacuum superconductive heater - Google Patents

New type vacuum superconductive heater Download PDF

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Publication number
CN2913595Y
CN2913595Y CN 200620023084 CN200620023084U CN2913595Y CN 2913595 Y CN2913595 Y CN 2913595Y CN 200620023084 CN200620023084 CN 200620023084 CN 200620023084 U CN200620023084 U CN 200620023084U CN 2913595 Y CN2913595 Y CN 2913595Y
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CN
China
Prior art keywords
oil
superconducting
tube bundle
heater
burner
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Expired - Fee Related
Application number
CN 200620023084
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Chinese (zh)
Inventor
敫铁拴
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Renqiu Yuren Superconducting Petroleum Equipment Co Ltd
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Individual
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Priority to CN 200620023084 priority Critical patent/CN2913595Y/en
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Publication of CN2913595Y publication Critical patent/CN2913595Y/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a novel vacuum superconducting heater special for well washing and paraffin removal of rod-pumped well in oil field. The heater mainly comprises a heater shell composed of an outer shell, an inner shell and a heat-insulating layer, an oil tube nest composed of a plurality of finned tubes, and a superconducting tube nest sleeved around the finned tubes. An oil inlet and an oil outlet are arranged respectively at two sides of the oil tube nest. There is a space between each of the superconducting tubes and each of the finned tubes, defining a heating passage. The heating passage is evacuated and then filled with superconductive media. The utility model employs the international leading technique of vacuum superconducting heat transfer, utilizes gas or diesel fuel from the oil well as heat source, has the advantages of no environmental pollution, no contamination to oil layer, high safety and reliability, less heat loss, high heat efficiency, wide application range, and long service life.

Description

Novel evacuated superconducting heater
Technical field
The utility model relates to a kind of special equipment of oilfield pumping well well-flushing wax removal, is specifically related to a kind of novel evacuated superconducting heater.
Background technology
In the oilfield pumping well oil recovery process, because the borehole wall and tubing wax, influence oil pumping effect will be cleaned once in about every month.Dewaxing method commonly used at present is: inject hot water in oil well casing 1..There are two problems in this method, and the one, the hot water temperature is lower, generally is no more than 100 degree, and heat time heating time is long, the cost height; The 2nd, the operation of can't pumping during the wax removal influences output; 2. drop into chemicals in crude oil, this method cost is high.The inventor once developed a kind of superconducting heater, make clean oil pipe fast, save time, laborsaving, but because of adopting liquefied gas and electrothermal tube as heating source, the part that also comes with some shortcomings on the structure is promoted the use of it and is subjected to certain limitation.
The utility model content
The purpose of this utility model is to solve the problems referred to above that exist in present oil well and the oil pipe well-flushing wax removal, and a kind of safe and reliable, novel evacuated superconducting heater that the thermal efficiency is high, easy to maintenance is provided.
The purpose of this utility model is achieved through the following technical solutions: a kind of novel evacuated superconducting heater, comprise heater housing, oil transportation tube bundle, superconduction tube bundle etc., wherein the heater housing is made up of shell, inner casing and insulation layer, insulation layer is made with alumina silicate, is installed between shell and the inner casing; The oil transportation tube bundle is made up of many finned tubes, and finned tube is arranged in order and fused with connecting piece, and oil transportation tube bundle two ends are respectively equipped with oil-in and oil-out; The superconduction tube bundle is on the finned tube of oil transportation tube bundle, is respectively installed with superconducting pipe, leaves the gap between every superconducting pipe and the finned tube, form a plurality of independent spaces, a plurality of independent spaces are connected by connecting piece, form heat tunnel, and heat tunnel inside is evacuated and adds superconductive medium.
Superconducting pipe in the utility model superconducting heater and petroleum pipeline are formed bilayer sleeve, the petroleum pipeline that interior pipe is made for the fin seamless steel pipe, and outer tube is the superconducting pipe that seamless steel pipe is made, and leaves the gap between the inner and outer pipes, forms heat tunnel, interior dress superconductive medium.All finned tubes link together with elbow and form oil transportation (liquid) pipeline, and all superconducting pipes connect to 2 groups of tube banks with short tube, link together with connecting piece, make the whole connection of superconductive medium.
The utility model superconducting heater is a thermal source with oil well automatic gas-producing or diesel oil, to heat from production fluid, by the power of oil pumper will heat from production fluid (high temperature liquid or steam) sprue bushing annular space, form self-loopa, self-produced liquid temp in the oil pipe is raise gradually, wall wax deposition is progressively melted from top to bottom, discharges pit shaft with output liquid, reaches the purpose of well-flushing wax removal.
The beneficial effects of the utility model are:
1. the utility model adopts superconducting heat transfer technology leading in the world, in washing well process, washes certainly with the power of pumping unit of well, need not add new power; Utilization does not need to add any chemical agent from production fluid circulation heating, energy-conserving and environment-protective, polluted reservoir not;
2. adopt multiple combustion system, the burner of being installed both can be an oil burner, also can be gas burner;
3. heat waste is little, the thermal efficiency is high, realizes stable yields, consumption reduction;
4. safe and reliable, of many uses, long service life;
5. easy to use, be easy to cleaning, move quick.
Description of drawings
Below in conjunction with embodiment and accompanying drawing thereof, the utility model is described in further detail.
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the side sectional view of Fig. 1.
Among the figure, 1. oil-in, 2. oil-out, 3. pressure meter, 4. safe pressure relief device, 5. rear head, 6. rain-proof cover, 7. chimney, 8. explosion-proof apparatus, 9. vacuum valve, 10. shell, 11. insulation layer, 12. inner casings, 13. superconducting pipes, 14. finned tube, 15. connecting pieces, 16. rear heads, 17. burner, 18. water tanks, 19. combustion chambers.
The specific embodiment
Embodiment with reference to figure 1, a kind of novel evacuated superconducting heater of the utility model shown in Figure 2, heater housing 10 and inner casing 12 all are cylinder barrel shapes made from roll of steel plate, leave the 50-150mm gap between the inside and outside shell, be filled with insulation layer 11 in the gap, insulation layer 11 usefulness heat-insulation and heat-preservation material one alumina silicate or rock silk floss are made, and shell 10, inner casing 12 and insulation layer 11 constitute the housing of superconducting heater; Be provided with the oil transportation tube bundle of being made up of many finned tubes 14 in housing, finned tube 14 is arranged in order and with the connecting piece formation oil pipeline that fuses, oil transportation tube bundle two ends are respectively equipped with oil-in 1 and oil-out 2; On finned tube 14, be respectively installed with superconducting pipe 13, form the superconduction tube bundle, leave the gap between every superconducting pipe 13 and the finned tube 14, form a plurality of independent spaces, a plurality of independent spaces are connected by connecting piece 15, form heat tunnel, heat tunnel inside is evacuated and adds superconductive medium; Safe pressure relief device 4 is installed on the oil transportation tube bundle, is relief valve in the present embodiment; Explosion-proof apparatus 8 is installed, in case the temperature of heater or pressure reach when setting value the automatic explosion of safety anti-explosive sector-meeting in the explosion-proof apparatus, relieving pressure, support equipment safety on the superconduction tube bundle.Pressure meter 3 and vacuum valve 9 also are housed respectively on oil transportation tube bundle and superconduction tube bundle.
Be provided with combustion chamber 19 below the superconduction tube bundle, heater housing one end is equipped with burner 17, and this burner is connected with the combustion chamber.The combustion system of this novel evacuated superconducting heater is the fuel-firing gas-firing type, and burner 17 both can be an oil burner, can be again gas burner, reaches by the adapter flange that is equipped with on the burner port and changes the purpose that different burners are installed.
The heater housing is provided with the chimney 7 and the rain-proof cover 6 of flexible connection, and heater when work chimney 7 can stand vertically, but the time spent level is not put down, and covers rain-proof cover 6, prevents that rainwater and dust from dropping into the heater housing.
Be provided with water tank 18 below the heater housing, water tank is a rectangle, does the usefulness of supplementing water.
Heater is a thermal source with oil well automatic gas-producing or diesel oil among the utility model embodiment, and when oil well casing internal pressure 〉=0.3mpa, available automatic gas-producing is a thermal source; During oil well casing internal pressure<0.3mpa, available diesel oil is thermal source.
When using the utility model superconducting heater as paraffin removal from oil well, below the superconduction tube bundle, become flame the combustion chamber 19 from the fuel gas of burner 17 ejections, the superconduction tube bundle is heated, superconductive medium in the heat tunnel becomes gaseous state by liquid state, in heat tunnel, flow, heat passes to finned tube 14 by superconducting pipe 13, and the oil well in the finned tube becomes high-temperature steam from the production fluid gasification of being heated.High-temperature steam flows to the oil well pipe box by oil-out 2, with the oil well oil conduit heating, wall wax deposition is progressively melted from top to bottom, discharges pit shaft with output liquid, reaches cured clearly well-flushing purpose.
Burner 17 is controlled automatically by temperature control instrument, according to well-flushing temperature needs, is provided with and adjusts the temperature of temp controlled meter, and is temperature required to guarantee well-flushing, finishes until well-flushing.Well-flushing finishes, and closes switch in order, and burner 17 quits work, and the superconducting fluid in the superconducting pipe 13 stops heating and cooling automatically, and superconductive medium becomes liquid by gaseous reduction.
Set three road security perimeters in this novel evacuated superconducting heater:
The first road security perimeter is, is provided with thermometer at heater outlet, that is, and and with oil-feed casing temperature control burner.Attemperating unit can be worked automatically according to the temperature that configures.Automatically shutdown truce when temperature is high, Auto Power On was heated when temperature was low.
The second road security perimeter is that with superconducting pipe temp controlled meter control power supply, when the superconducting pipe temperature reached setting value, robot control system(RCS) can be with power-off, the fire extinguishing of ceasing fire.Can connect power supply automatically when temperature is low, igniting is heated.
The 3rd road security perimeter is, the releasing pressure automatically explosion-protection equipment is housed on the heater housing, in case special circumstances (as two malfunctioning or oil pumper dry taps of temp controlled meters while) are arranged when causing temperature to rise to margin of safety, automatic explosion-proof device meeting releasing pressure automatically, support equipment safety.
For easy to maintenance, be separately installed with dismountable front head 16 and rear head 5 in heater housing rear and front end, can take apart at any time, remove inner crock.
The utility model also is equipped with automatic temperature control system and circuit robot control system(RCS), makes the heating process automation.
The utility model can be widely used in the cleaning of all kinds of oil wells, stripper well capable of washing, high-yield well and sand prevention well etc.Used superconductive medium does not burn, the non-corrosive steel pipe.When temperature was higher than 45 ℃, superconducting fluid became gaseous state by liquid state.When being lower than 45 ℃, become liquid by gaseous reduction.Go round and begin again, can use for a long time.
This novel evacuated superconducting heater is a packaged type equipment, and volume is little, and is in light weight, and both available tractor-drawn also can be installed on the special-purpose vehicle, moves quick.Arrival well-flushing scene gets final product heater and production tree butt joint with two supporting sebific ducts of flexibility.Execute-in-place only needs 2 people, and is very convenient.

Claims (9)

1, a kind of novel evacuated superconducting heater comprises heater housing, oil transportation tube bundle, superconduction tube bundle etc., it is characterized in that:
Described heater housing is made up of shell, inner casing and insulation layer, and insulation layer is made with alumina silicate, is installed between shell and the inner casing;
Described oil transportation tube bundle is made up of many finned tubes, and finned tube is arranged in order and with the connecting piece formation oil pipeline that fuses, oil transportation tube bundle two ends are respectively equipped with oil-in and oil-out;
Described superconduction tube bundle is on the finned tube of oil transportation tube bundle, is respectively installed with superconducting pipe, leaves the gap between every superconducting pipe and the finned tube, form a plurality of independent spaces, a plurality of independent spaces are connected by connecting piece, form heat tunnel, and heat tunnel inside is evacuated and adds superconductive medium.
2, novel evacuated superconducting heater according to claim 1 is characterized in that: described superconduction tube bundle below is provided with the combustion chamber, and heater housing one end is equipped with burner, and this burner is connected with the combustion chamber.
3, novel evacuated superconducting heater according to claim 1 is characterized in that: described shell and inner casing all are that the cylinder made from roll of steel plate is barrel-shaped.
4, novel evacuated superconducting heater according to claim 1 is characterized in that: on the described oil transportation tube bundle safe pressure relief device is installed, on the superconduction tube bundle explosion-proof apparatus is installed.
5, novel evacuated superconducting heater according to claim 1 is characterized in that: described heater housing is provided with the chimney and the rain-proof cover of flexible connection.
6, novel evacuated superconducting heater according to claim 1, it is characterized in that: the rear and front end of described heater housing is equiped with dismountable front head and rear head respectively.
7, novel evacuated superconducting heater according to claim 1 is characterized in that: described heater housing below is provided with water tank.
8, novel evacuated superconducting heater according to claim 2 is characterized in that: described burner is an oil burner.
9, novel evacuated superconducting heater according to claim 2 is characterized in that: described burner is a gas burner.
CN 200620023084 2006-06-15 2006-06-15 New type vacuum superconductive heater Expired - Fee Related CN2913595Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620023084 CN2913595Y (en) 2006-06-15 2006-06-15 New type vacuum superconductive heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620023084 CN2913595Y (en) 2006-06-15 2006-06-15 New type vacuum superconductive heater

Publications (1)

Publication Number Publication Date
CN2913595Y true CN2913595Y (en) 2007-06-20

Family

ID=38168194

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200620023084 Expired - Fee Related CN2913595Y (en) 2006-06-15 2006-06-15 New type vacuum superconductive heater

Country Status (1)

Country Link
CN (1) CN2913595Y (en)

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: RENQIU YUREN SUPERCONDUCT PETROLEUM EQUIPMENT CO.,

Free format text: FORMER OWNER: YIN TIESHUAN

Effective date: 20091204

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20091204

Address after: Yanshan Middle Road, Hebei, Renqiu Province: 062550

Patentee after: Renqiu Yuren superconducting Petroleum Equipment Co. Ltd.

Address before: 32, Middle Road, Yanshan, Hebei, Renqiu (19-662 mailbox), zip code: 062550

Patentee before: Jiao Tieshuan

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20070620

Termination date: 20130615