CN101598011A - Split-type two-pass highly-efficient crude oil heating system in well site - Google Patents
Split-type two-pass highly-efficient crude oil heating system in well site Download PDFInfo
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- CN101598011A CN101598011A CNA2009100169822A CN200910016982A CN101598011A CN 101598011 A CN101598011 A CN 101598011A CN A2009100169822 A CNA2009100169822 A CN A2009100169822A CN 200910016982 A CN200910016982 A CN 200910016982A CN 101598011 A CN101598011 A CN 101598011A
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Abstract
The present invention relates to a kind of split-type two-pass highly-efficient crude oil heating system in well site.Its technical scheme is: mainly be made of heating unit and heat exchange unit, heating unit connects by the medium circulation pipe with heat exchange unit, wherein, is provided with heat exchange coil in the oil storage tank tank body of described heat exchange unit, and the oil storage tank tank body is provided with oil discharge pipe outward and unloads water pipe; Described heat exchange coil is made of water layer heat exchange coil and oil reservoir heat exchange coil, the independent flow process of respectively doing for oneself, by the outer high temperature cut-off valve switching controls heating of tank body, described water layer heat exchange coil is arranged on the bottom of oil storage tank, and the oil reservoir heat exchange coil is arranged on the top of oil storage tank.Beneficial effect is as follows: firing rate is fast during emptying, the thermal efficiency is high, no potential safety hazard; The consumption of fuel has been saved in special double-deck double-current journey heat(ing) coil and emptying, the differentiation design of unloading water in the oil storage tank tank body to the full extent; Oil discharge pipe, unload the heat(ing) coil structure of design in the water pipe, avoided the clogging in winter.
Description
One, technical field:
The present invention relates to a kind of split-type two-pass highly-efficient crude oil heating system in well site.
Two, background technology:
At present the oil field contains La Jing, heavy oil wells for what adopt that individual well draws oil, heating crude oil mostly adopts Multifunction tank or the overhead side jar mode with the direct heating in crude oil of body of heater flue formation coil pipe, this method one is to have serious potential safety hazard, in case flue perforation, cause crude oil to overflow in the flue initiation fire; The 2nd, flue temperature is too high, and crude oil easily in the coking of flue outer wall, influences heat-transfer effect, and the efficiency of heating surface is low.And for the moisture crude oil of height, because of the tank body emptying unloads aquaporin is an outlet, temperature need reach 70 ℃ during the high waxy oil emptying, special super viscous crude even will reach high temperature more than 90 ℃, this mode of heating has caused a large amount of wastes of fuel to the heating of also feeding water in the heating crude oil, and the emptying passage stops up in the winter time easily, adopt the mode of twining the resistance wire heating at pipeline outer wall at present, intensification is slow, energy consumption is big.
In addition, in the overhead side jar interior heating crude oil process, along with the rising of temperature and the rise of liquid level, it is excessive that bubbling easily takes place jar interior crude oil, in case transfinite, causes the crude oil tank boil-overs, not only causes environment pollution, also exists the fiery possibility of suffering from takes place.Mostly adopt Electric heating and solve pit shaft lifting problem, investment is high, energy consumption is big.Have at present to propose to utilize hollow rod to adopt the mode of hot water circuit heating to solve pit shaft lifting problem,, obtained better effects by The field by building the complete heating system of a cover.But newly-built heating system is owing to the limitation of advancing jar crude oil heating system that adopts at present, and heating furnace can not be shared, not only taken the space, well site, increased investment, and strengthened operating personnel's workload, wasted fuel.
Three, summary of the invention:
Purpose of the present invention is exactly the above-mentioned defective that exists at prior art, and a kind of split-type two-pass highly-efficient crude oil heating system in well site that crude oil advances jar heating and thermal source can be provided for pit shaft lifting heating system that solves is provided.
Its technical scheme is: mainly be made of heating unit and heat exchange unit, heating unit connects by the medium circulation pipe with heat exchange unit, wherein, described heat exchange unit mainly by oil storage tank tank body, heat exchange coil, oil discharge pipe, unload water pipe, the medium circulation pipe constitutes; Be provided with heat exchange coil in the oil storage tank tank body, the oil storage tank tank body is provided with oil discharge pipe outward and unloads water pipe; Described heat exchange coil is made of water layer heat exchange coil and oil reservoir heat exchange coil, the independent flow process of respectively doing for oneself, by the outer high temperature cut-off valve switching controls heating of tank body, described water layer heat exchange coil is arranged on the bottom of oil storage tank, the oil reservoir heat exchange coil is arranged on the middle part of oil storage tank, and the distance between at the bottom of oil reservoir heat exchange coil and the oil storage tank jar is: the storage liquid quantitative limitation highly deducts the height that draws the oil truck volume to account in the oil storage tank in oil storage tank.
Above-mentioned oil discharge pipe and unload water pipe respectively by oil drain valve with unload water valve and connect control converges into an outlet, and outlet is downward-sloping.
Above-mentioned oil discharge pipe is with to unload water pipe and distance at the bottom of the oil storage tank jar consistent with distance at the bottom of oil reservoir heat exchange coil, water layer heat exchange coil and the oil storage tank jar.
Above-mentioned oil discharge pipe, unload and be equipped with heat(ing) coil in the water pipe, be connected with oil reservoir heat exchange coil, water layer heat exchange coil respectively, by coil pipe control valve control heating.
Above-mentioned heat exchange unit oil storage tank tank wall be provided with jar in the crude oil bleed off pipe that is communicated with, the crude oil bleed off pipe exports apart from abhiseca 20-30cm.
Heating unit of the present invention is made of heating furnace, blast fan, circular-pump, head tank, Lower tank, medium circulation pipe, the bottom of heating furnace is provided with blast fan, in be provided with heat(ing) coil, heat-conducting medium is housed in the heat(ing) coil, constitute the heat-conducting medium circulating system by the medium circulation pipe by the heat exchange coil of heat(ing) coil in the heating furnace and heat exchange unit, heat-conducting medium is mainly formed heat-conducting medium replenishment cycles system by head tank, Lower tank, circular-pump, gs-oil separator and strainer.
Certainly, the heat(ing) coil outlet can be provided with double-current journey, and a kind of by the above-mentioned heating unit of high temperature cut-off valve connection, another kind of mode is can connect pit shaft lifting heating circulation system by high temperature cut-off valve, and does not adopt above-mentioned heating unit.
The top of oil storage tank tank body of the present invention is provided with manhole, gauge hatch, breather valve and oil-in, and the top manhole of oil storage tank tank body and oil storage tank tank base diagonally opposing corner place are provided with the sand removal hole.
The present invention's beneficial effect compared with prior art is as follows:
(1), firing rate is fast during emptying, the thermal efficiency is high, no potential safety hazard; (2), special double-deck double-current journey heat(ing) coil and emptying, the differentiation design of unloading water in the oil storage tank tank body, saved the consumption of fuel to the full extent; (3), oil discharge pipe, unload the heat(ing) coil structure of design in the water pipe, avoided the clogging in winter; (4), the crude oil bleed off pipe of oil storage tank tank wall design has been avoided crude oil tank boil-overs problem; (5), realized pit shaft lifting heating system and advanced the integrated of jar crude oil heating system, the minimizing investment; (6), rational in infrastructure, be easy to processing, easy to maintenance.
Four, description of drawings:
Accompanying drawing 1 is the structural representation of heating unit of the present invention;
Accompanying drawing 2 is the sectional view of heat exchange unit of the present invention;
Accompanying drawing 3 is oil discharge pipe of the present invention and the structural representation that unloads water pipe;
Accompanying drawing 4 is the vertical view of oil storage tank tank body of the present invention;
Among the last figure: heating furnace 1, blast fan 2, circular-pump 3, electrical control cabinet 4, head tank 5, Lower tank 6, gs-oil separator 7, strainer 8, thermometer 9, pressure meter 10, high temperature cut-off valve 11, medium bleed off pipe 12, medium circulation pipe 13, oil storage tank tank body 14, oil storage tank supports 15, heat exchange coil 16, oil discharge pipe 17, unload water pipe 18, protective fence 19, the outer cat ladder 20 of jar, oil drain valve 21, unload water valve 22, vent valve 23, crude oil bleed off pipe 24, clear jar cat ladder 25, heat(ing) coil 26, coil pipe control valve 27, manhole 28, gauge hatch 29, breather valve 30, oil-in 31.
Five, the specific embodiment:
1-4 in conjunction with the accompanying drawings, the invention will be further described:
The present invention mainly constitutes heating unit by heating furnace 1 blast fan 2, circular-pump 3, electrical control cabinet 4, head tank 5, Lower tank 6, gs-oil separator 7, strainer 8, thermometer 9, pressure meter 10, high temperature cut-off valve 11, medium bleed off pipe 12, medium circulation pipe 13.Wherein, the interior heat(ing) coil outlet of heating furnace 1 body of heater is double-current journey, and a kind of another kind can connect pit shaft lifting heating circulation system by high temperature cut-off valve 11 by a crude oil heating system in the high temperature cut-off valve 11 connection jars, and heat-conducting medium is a conduction oil in the heat(ing) coil.
Heat exchange unit is supported 15, heat exchange coil 16, oil discharge pipe 17, is unloaded water pipe 18, protective fence 19, jar outer cat ladder 20, medium circulation pipe 13 and constitute by oil storage tank tank body 14, oil storage tank.Wherein, heat exchange coil is made of water layer heat exchange coil 16.1 and oil reservoir heat exchange coil 16.2, and the independent flow process of respectively doing for oneself is by the outer high temperature cut-off valve 11 switching controls heating of tank body.Water layer heat exchange coil 16.1 20cm at the bottom of the oil storage tank jar is convenient to sand removal, and oil reservoir heat exchange coil 16.2 with the design formulas of distance at the bottom of the oil storage tank jar is: L=h-V
1÷ (V ÷ h
1);
In the formula: L is that oil reservoir heat exchange coil and oil storage tank are irritated the distance at the end; H is a storage liquid quantitative limitation height in the oil storage tank; V is the volume of oil storage tank; V
1For drawing the volume of oil truck; h
1Height for oil storage tank.
When split-type two-pass highly-efficient crude oil heating system in well site starts, open high temperature cut-off valve 11, start blast fans 2, circular-pump 3 by electrical control cabinet 4, heat-conducting medium through heating unit enter heat exchange unit water layer heat exchange coil 16.1, oil reservoir heat exchange coil 16.2 carries out interchange of heat.
The separation that can satisfy profit is only required in the heating that crude oil advances in jar process, do not need too high temperature, close oil reservoir heat exchange coil 16.2 heat exchange processes this moment, reduce firing rate by reducing blast fan 2 power, only enable water layer heat exchange coil 16.1 give jar in an oil water mixture be heated to 50-60 ℃ and get final product.
Crude oil advances a jar amount and reaches when unloading oil mass, open oil reservoir heat exchange coil 16.2 flow processs, close water layer heat exchange coil 16.1 flow processs, strengthen blast fan 2 power, can be warmed up to crude oil in short time and unload oil temperature 70-95 ℃, the water layer of bottom and the oil reservoir on top are not carried out interchange of heat substantially because do not form convection current, both reduce heat time heating time, saved fuel again.Water reaches when unloading the water yield in jar, opens to unload water pipe and unload water and get final product.
Winter oil discharge pipe 17, unload water pipe 18 in case stop up, open coil pipe control valve 27, in the heat(ing) coil 26 established start working, heat mediation.Dielectric loss in the medium circulation pipe is replenished by medium bleed off pipe 12 overflow in Lower tank 6 by medium in the head tank 5, the gas that influences medium circulation that produces in the medium circulation pipe is separated by gs-oil separator 7, discharge by head tank 5, the impurity that produces in the medium circulation pipe filters cleaning by strainer 8.
Be provided with jar cat ladder 25 clearly in the heat exchange unit oil storage tank tank body 14, the staff can be entered in the jar by 28 times cat ladders of abhiseca manhole, regularly sand setting is checked, safeguards and cleared up to the jar inner coil pipe, the sand removal hole at manhole 28 and oil storage tank tank base diagonally opposing corner place, form air communication channel, but pernicious gas in the blowdown vessel.The crude oil bleed off pipe 24 of oil storage tank tank body 14 outer walls can avoid crude oil with the excessive crude oil tank boil-overs problem that causes of temperature rising bubbling.
Claims (8)
1, a kind of split-type two-pass highly-efficient crude oil heating system in well site, mainly constitute by heating unit and heat exchange unit, heating unit connects by the medium circulation pipe with heat exchange unit, it is characterized in that: described heat exchange unit mainly by oil storage tank tank body (14), heat exchange coil (16), oil discharge pipe (17), unload water pipe (18), medium circulation pipe (13) and constitute; Be provided with heat exchange coil (16) in the oil storage tank tank body (14), oil storage tank tank body (14) is outer to be provided with oil discharge pipe (17) and to unload water pipe (18); Described heat exchange coil is made of water layer heat exchange coil (16.1) and oil reservoir heat exchange coil (16.2), the independent flow process of respectively doing for oneself, by outer high temperature cut-off valve (11) the switching controls heating of tank body, described water layer heat exchange coil (16.1) is arranged on the bottom of oil storage tank, oil reservoir heat exchange coil (16.2) is arranged on the middle part of oil storage tank, and the distance between at the bottom of oil reservoir heat exchange coil (16.2) and the oil storage tank jar is: the storage liquid quantitative limitation highly deducts the height that draws the oil truck volume to account in the oil storage tank in oil storage tank.
2, split-type two-pass highly-efficient crude oil heating system in well site according to claim 1, it is characterized in that: described oil discharge pipe (17) and unload water pipe (18) respectively by oil drain valve (21) with unload water valve (22) and connect control, converge into an outlet, outlet is downward-sloping.
3, split-type two-pass highly-efficient crude oil heating system in well site according to claim 1 and 2 is characterized in that: described oil discharge pipe (17) is with to unload water pipe (18) and distance at the bottom of the oil storage tank jar and oil reservoir heat exchange coil (16.2), water layer heat exchange coil (16.1) consistent with distance at the bottom of the oil storage tank jar.
4, split-type two-pass highly-efficient crude oil heating system in well site according to claim 1 and 2, it is characterized in that: described oil discharge pipe (17), unload and be equipped with heat(ing) coil (26) in the water pipe (18), be connected with oil reservoir heat exchange coil (16.2), water layer heat exchange coil (16.1) respectively, by coil pipe control valve (27) control heating.
5, split-type two-pass highly-efficient crude oil heating system in well site according to claim 1, it is characterized in that: described heat exchange unit oil storage tank tank body (14) outer wall be provided with jar in the crude oil bleed off pipe (24) that is communicated with, crude oil bleed off pipe (24) exports apart from abhiseca 20-30cm.
6, split-type two-pass highly-efficient crude oil heating system in well site according to claim 1, it is characterized in that: described heating unit is by heating furnace (1), blast fan (2), circular-pump (3), head tank (5), Lower tank (6), medium circulation pipe (13) constitutes, the bottom of heating furnace (1) is provided with blast fan (2), in be provided with heat(ing) coil, heat-conducting medium is housed in the heat(ing) coil, by heat exchange coil (16) the formation heat-conducting medium circulating system of medium circulation pipe (13) by heat(ing) coil in the heating furnace and heat exchange unit, heat-conducting medium is mainly by head tank (5), Lower tank (6), circular-pump (3), gs-oil separator (7) and strainer (8) are formed heat-conducting medium replenishment cycles system.
7, split-type two-pass highly-efficient crude oil heating system in well site according to claim 1 is characterized in that: the top of described oil storage tank tank body (14) is provided with manhole (28), gauge hatch (29), breather valve (30) and oil-in (31).
8, split-type two-pass highly-efficient crude oil heating system in well site according to claim 7 is characterized in that: the top manhole (28) of described oil storage tank tank body is provided with the sand removal hole with oil storage tank tank base diagonally opposing corner place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100169822A CN101598011B (en) | 2009-06-29 | 2009-06-29 | Split-type two-pass highly-efficient crude oil heating system in well site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100169822A CN101598011B (en) | 2009-06-29 | 2009-06-29 | Split-type two-pass highly-efficient crude oil heating system in well site |
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| Publication Number | Publication Date |
|---|---|
| CN101598011A true CN101598011A (en) | 2009-12-09 |
| CN101598011B CN101598011B (en) | 2011-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100169822A Expired - Fee Related CN101598011B (en) | 2009-06-29 | 2009-06-29 | Split-type two-pass highly-efficient crude oil heating system in well site |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102582977A (en) * | 2012-02-27 | 2012-07-18 | 胜利油田三力石油技术开发有限公司 | Single-well split-type heating multifunctional storage tank device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4421062A (en) * | 1982-10-21 | 1983-12-20 | Padilla Sr Isaac F | Well gas powered well effluent heat treating system |
| US5335728A (en) * | 1992-07-31 | 1994-08-09 | Strahan Ronald L | Method and apparatus for disposing of water at gas wells |
| CN2559790Y (en) * | 2002-07-18 | 2003-07-09 | 北京华油惠博普科技有限公司 | Horizontal-upward flow energy-saving oil-gas water sand separator |
| CN2784715Y (en) * | 2005-04-07 | 2006-05-31 | 刘金利 | Multifunctional heating stove for oil well |
| CN100559074C (en) * | 2007-10-22 | 2009-11-11 | 中国石油天然气第八建设有限公司 | Supercritical pressure steam pouring furnace |
| CN201449018U (en) * | 2009-06-29 | 2010-05-05 | 胜利油田三力石油技术开发有限公司 | Split type two-flow high-efficient well field crude oil heating system |
-
2009
- 2009-06-29 CN CN2009100169822A patent/CN101598011B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102582977A (en) * | 2012-02-27 | 2012-07-18 | 胜利油田三力石油技术开发有限公司 | Single-well split-type heating multifunctional storage tank device |
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