CN102031946A - Heating device for oil nozzle sleeve - Google Patents
Heating device for oil nozzle sleeve Download PDFInfo
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- CN102031946A CN102031946A CN2010105397103A CN201010539710A CN102031946A CN 102031946 A CN102031946 A CN 102031946A CN 2010105397103 A CN2010105397103 A CN 2010105397103A CN 201010539710 A CN201010539710 A CN 201010539710A CN 102031946 A CN102031946 A CN 102031946A
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- oil
- oil nozzle
- heat conducting
- nozzle cover
- heat
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Abstract
The invention discloses a heating device for an oil nozzle sleeve in the field of heaters, and aims to solve the problem of wax deposition of a well head oil pipe. The heating device comprises an oil inlet pipe, an oil inlet valve, an oil outlet pipe, the oil nozzle sleeve and a heat conducting oil heating cavity, wherein an electric heating rod is arranged in the heat conducting oil heating cavity; one end of the heat conducting oil heating cavity is connected with an explosion-proof junction box for providing a power supply for the electric heating rod; the upper part of the heat conducting oil heating cavity is communicated with the lower part of the oil nozzle sleeve through a heat conducting oil connecting pipe, and the lower part of the heat conducting oil heating cavity is communicated with the upper part of the oil nozzle sleeve through a circulating oil pipe; the topmost end of the circulating oil pipe is provided with a heat conducting oil filling opening; a seal cover covers the heat conducting oil filling opening and is provided with an air hole; and an insulating layer is coated outside the heat conducting oil heating cavity and the oil nozzle sleeve. The heating device for the oil nozzle sleeve has high heat efficiency and safety and low failure rate.
Description
Technical field
The present invention relates to a kind of heater, particularly a kind of oil nozzle cover heater.
Background technology
Oil viscosity is bigger, the thickness that when temperature descends, becomes, contained paraffin is separated out easily and is agglutinated in the oil, so the oil nozzle wax deposition is a difficult problem of puzzlement oil production technology, production crew generally adopts at well head oil pipe place heater is installed at present, solves the problem of wax deposition by hot water circuit.Oil nozzle cover heater comprises oil inlet pipe, inlet valve, flowline and is enclosed in the outer oil nozzle cover of oil inlet pipe, adopts the boiled water pail of 1 2KW that water is heated in addition, and the reusable heat water pump is sent into hot water in the oil nozzle cover by rubber tube, to the oil nozzle heating that circulates.
There is following weak point in this oil nozzle cover heater:
1, energy consumption height not only adds hot water and needs power consumption, and the power consumption of heat-exchanger pump continuous service is also bigger.
2, heat-exchanger pump runs without interruption for a long time and damages easily, will bring wax deposition hidden danger to system in case heat-exchanger pump damages.
3, under normal pressure, water can't continue to improve heating-up temperature 100 ℃ of i.e. boilings.
4, along with the evaporation of water vapour, not only lost heat energy, and constantly replenished fresh water, increased the load of heating, and improved the hardness of hot water system, made scale formation more serious, caused that heat transfer efficiency descends rapidly.
Summary of the invention
For overcoming problems of the prior art, the invention provides a kind of oil nozzle cover heater, simple for structure, heat effectively, fault rate is low, thermal efficiency height.
For solving above technical problem, a kind of oil nozzle cover heater provided by the present invention, comprise oil inlet pipe, inlet valve, flowline and be enclosed in the outer oil nozzle cover of described oil inlet pipe, this device also comprises the heat-conducting oil heating chamber, described heat-conducting oil heating is provided with the electrical heating bar in the chamber, one end in described heat-conducting oil heating chamber is connected with the anti-explosion terminal box that power supply is provided to described electrical heating bar, the top in described heat-conducting oil heating chamber is connected by the conduction oil tube connector with the bottom of described oil nozzle cover, and the bottom in described heat-conducting oil heating chamber is connected by circulating pipe with the top of described oil nozzle cover.
With respect to prior art, the present invention has obtained following beneficial effect: the conduction oil in the electrical heating pole pair heat-conducting oil heating chamber heats, its temperature is raise, weight lightens, enter the oil nozzle cover by the rising of conduction oil tube connector, oil pipe and valve in the oil nozzle cover are heated, be back in the heat-conducting oil heating chamber by circulating pipe again, so circulation; Conduction oil is realized gravity flow by the density contrast that temperature difference forms, need not extrinsic motive, and not only energy-conservation but also reduced fault rate; Because the heat resistance of conduction oil is good, can be warmed up to more than 100 ℃, and in the temperature range that the well head oil pipe need heat, almost not have the oil vapour loss, conduction oil is recycled, no scale formation, thermal efficiency height; This apparatus cost and operating cost are low.
As improvement of the present invention, described heat-conducting oil heating chamber and described oil nozzle cover are coated with insulation layer.Insulation layer can reduce the thermal loss of heat-conducting oil heating chamber and oil nozzle cover outer wall.
As another kind of improvement the of the present invention, described conduction oil tube connector and described circulating pipe are coated with insulation layer.Insulation layer can reduce the thermal loss of conduction oil tube connector and circulating pipe tube wall.
As preferred version of the present invention, described electrical heating bar is provided with two groups, the using and the reserved.The electrical heating bar is the unique trouble point of this heater, adopts the using and the reserved, and the safety of system can be provided.
As another improvement of the present invention, the top of described circulating pipe is provided with the conduction oil pouring orifice, is coated with capping on the described conduction oil pouring orifice.Observe oil level when the top that the conduction oil pouring orifice is located at circulating pipe is convenient to oiling, both guaranteed that conduction oil can realize circulation by circulating pipe, leave again a bit for gap of conduction oil expanded by heating, capping can be played dustproof, rainproof effect.
As a further improvement on the present invention, described capping is provided with air-vent.Capping is provided with air-vent can for the air that is positioned at the circulating pipe top provides respiration channel, circulate heat-conducting oil system when the conduction oil expanded by heating all the time under the normal pressure.
Description of drawings
Fig. 1 is the front view of oil nozzle cover heater of the present invention.
Fig. 2 is along the sectional view of A-A among Fig. 1.
Among the figure: 1 flowline, 2 oil nozzle covers, 3 insulation layers, 4 inlet valves, 5 oil inlet pipes, 6 conduction oil tube connectors, 7 anti-explosion terminal boxs, 8 electrical heating bars, 9 heat-conducting oil heating chambeies, 10 temperature pick ups, 11 circulating pipes, 12 conduction oil pouring orifices, 13 cappings.
The specific embodiment
As shown in Figures 1 and 2, oil nozzle cover heater of the present invention comprises oil inlet pipe 5, inlet valve 4, flowline 1, is enclosed in oil inlet pipe outer oil nozzle cover 2 and heat-conducting oil heating chamber 9, be provided with electrical heating bar 8 in the heat-conducting oil heating chamber 9, the electrical heating bar preferably is provided with two groups, the using and the reserved, an end in heat-conducting oil heating chamber 9 is connected with the anti-explosion terminal box 7 that power supply is provided to electrical heating bar 8.The top in heat-conducting oil heating chamber 9 is connected by conduction oil tube connector 6 with the bottom of oil nozzle cover 2, and the bottom in heat-conducting oil heating chamber 9 is connected by circulating pipe 11 with the top of oil nozzle cover 2.The top of circulating pipe 11 is provided with conduction oil pouring orifice 12, is coated with capping 13 on the conduction oil pouring orifice 12, and capping 13 is provided with air-vent.Heat-conducting oil heating chamber 9 and oil nozzle cover 2 are coated with insulation layer 3, and conduction oil tube connector and circulating pipe also can be coated with insulation layer outward.
Before coming into operation, to system's oiling, oil level had both guaranteed that conduction oil can leave the gap that a bit supplies the conduction oil expanded by heating again by circulating pipe realization circulation by conduction oil pouring orifice 12.
In the work, conduction oil in 8 pairs of heat-conducting oil heating chambeies of electrical heating bar 9 heats, its temperature is raise, weight lightens, and rising by conduction oil tube connector 6 enters oil nozzle cover 2, and oil pipe and valve in the oil nozzle cover 2 are heated, and the conduction oil in the circulating pipe 11 is in radiating state, density is big than the density of conduction oil in the heat-conducting oil heating chamber 9, so conduction oil is back in the heat-conducting oil heating chamber 9 so realization circulation by circulating pipe 11.
Observe oil level when the top that conduction oil pouring orifice 12 is located at circulating pipe 11 is convenient to oiling, both guaranteed that conduction oil can realize circulation by circulating pipe 11, leave a bit gap again for the conduction oil expanded by heating.Because the conduction oil total amount of system is less, the temperature that needs heating is below 150 ℃, and conduction oil pouring orifice 12 self also can provide the expansion space after being heated for conduction oil.Capping 13 can prevent dust, rainproof, the air-vent on it can for the air that is positioned at circulating pipe 11 tops provides respiration channel, circulate heat-conducting oil system when the conduction oil expanded by heating all the time under the normal pressure.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all fall into the protection domain of requirement of the present invention.
Claims (6)
1. an oil nozzle overlaps heater, comprise oil inlet pipe, inlet valve, flowline and be enclosed in the outer oil nozzle cover of described oil inlet pipe, it is characterized in that, this device also comprises the heat-conducting oil heating chamber, described heat-conducting oil heating is provided with the electrical heating bar in the chamber, one end in described heat-conducting oil heating chamber is connected with the anti-explosion terminal box that power supply is provided to described electrical heating bar, the top in described heat-conducting oil heating chamber is connected by the conduction oil tube connector with the bottom of described oil nozzle cover, and the bottom in described heat-conducting oil heating chamber is connected by circulating pipe with the top of described oil nozzle cover.
2. oil nozzle cover heater according to claim 1 is characterized in that described heat-conducting oil heating chamber and described oil nozzle cover are coated with insulation layer.
3. oil nozzle cover heater according to claim 1 is characterized in that described conduction oil tube connector and described circulating pipe are coated with insulation layer.
4. according to each described oil nozzle cover heater in the claim 1 to 3, it is characterized in that described electrical heating bar is provided with two groups, the using and the reserved.
5. according to each described oil nozzle cover heater in the claim 4, it is characterized in that the top of described circulating pipe is provided with the conduction oil pouring orifice, be coated with capping on the described conduction oil pouring orifice.
6. oil nozzle cover heater according to claim 5 is characterized in that described capping is provided with air-vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010539710 CN102031946B (en) | 2010-11-11 | 2010-11-11 | Heating device for oil nozzle sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010539710 CN102031946B (en) | 2010-11-11 | 2010-11-11 | Heating device for oil nozzle sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102031946A true CN102031946A (en) | 2011-04-27 |
| CN102031946B CN102031946B (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010539710 Active CN102031946B (en) | 2010-11-11 | 2010-11-11 | Heating device for oil nozzle sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102031946B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453785A (en) * | 2014-10-21 | 2015-03-25 | 西南石油大学 | Pneumatic heating device preventing hydrates from being generated at throttling part of gas well |
| CN110979962A (en) * | 2019-12-05 | 2020-04-10 | 中国石油化工股份有限公司 | Anti-backflow oil nozzle sleeve device |
| CN111894526A (en) * | 2020-08-17 | 2020-11-06 | 中国石油化工股份有限公司 | Wax-blocking-proof continuous production device of self-blowing oil well |
| CN111894527A (en) * | 2020-08-17 | 2020-11-06 | 中国石油化工股份有限公司 | Gas production device of high-content gas well |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4060194A (en) * | 1976-03-08 | 1977-11-29 | Lutz George H | Heating system and element therefor |
| CN2132947Y (en) * | 1991-09-06 | 1993-05-12 | 阜新市热源设备厂 | Oil heater having temp. raised by electricity |
| CN2500798Y (en) * | 2001-05-09 | 2002-07-17 | 大庆开发区华讯达技术开发有限公司 | Electric heating device for heat conducting oil surface |
| CN200979290Y (en) * | 2006-10-25 | 2007-11-21 | 保定市鑫东城科技发展有限公司 | Quartz, heat pipe heater for oil-storage tank |
| CN201496040U (en) * | 2009-05-19 | 2010-06-02 | 魏厚建 | Heat tracing device for oil well |
-
2010
- 2010-11-11 CN CN 201010539710 patent/CN102031946B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4060194A (en) * | 1976-03-08 | 1977-11-29 | Lutz George H | Heating system and element therefor |
| CN2132947Y (en) * | 1991-09-06 | 1993-05-12 | 阜新市热源设备厂 | Oil heater having temp. raised by electricity |
| CN2500798Y (en) * | 2001-05-09 | 2002-07-17 | 大庆开发区华讯达技术开发有限公司 | Electric heating device for heat conducting oil surface |
| CN200979290Y (en) * | 2006-10-25 | 2007-11-21 | 保定市鑫东城科技发展有限公司 | Quartz, heat pipe heater for oil-storage tank |
| CN201496040U (en) * | 2009-05-19 | 2010-06-02 | 魏厚建 | Heat tracing device for oil well |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453785A (en) * | 2014-10-21 | 2015-03-25 | 西南石油大学 | Pneumatic heating device preventing hydrates from being generated at throttling part of gas well |
| CN110979962A (en) * | 2019-12-05 | 2020-04-10 | 中国石油化工股份有限公司 | Anti-backflow oil nozzle sleeve device |
| CN110979962B (en) * | 2019-12-05 | 2021-11-30 | 中国石油化工股份有限公司 | Anti-backflow oil nozzle sleeve device |
| CN111894526A (en) * | 2020-08-17 | 2020-11-06 | 中国石油化工股份有限公司 | Wax-blocking-proof continuous production device of self-blowing oil well |
| CN111894527A (en) * | 2020-08-17 | 2020-11-06 | 中国石油化工股份有限公司 | Gas production device of high-content gas well |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102031946B (en) | 2013-04-17 |
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