CN103775028A - Drilling machine heat-supply heat preservation system - Google Patents

Drilling machine heat-supply heat preservation system Download PDF

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CN103775028A
CN103775028A CN201410024338.0A CN201410024338A CN103775028A CN 103775028 A CN103775028 A CN 103775028A CN 201410024338 A CN201410024338 A CN 201410024338A CN 103775028 A CN103775028 A CN 103775028A
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hot
hot air
tank
blast stove
air
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CN103775028B (en
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陆骏
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Abstract

The invention discloses a drilling machine heat-supply heat preservation system, wherein a first hot blast stove and a second hot blast stove are both connected with an inlet of a first hot air pressure-stabilizing tank, and an outlet of the first hot air pressure-stabilizing tank is respectively communicated with a third mud tank box, a fourth mud tank box, a first hot air booster fan and a second hot air booster fan; an outlet of the first hot air booster fan is respectively connected with an electric generator sand-proof shed and an inlet of a second hot air three-way pressure-stabilizing tank, while an outlet of the second hot air three-way pressure-stabilizing tank is respectively connected with a well cementing clear water tank heat preservation shed and an oil tank heat preservation shed; an outlet of the second hot air booster fan is respectively connected with a well drilling platform, a pipe control valve group and a high-pressure slush pump unit. The drilling machine heat-supply heat preservation system provided by the invention can realize comprehensive anti-freezing and unfreezing, is good in heat preservation effect, high in heat transfer efficiency and high in safety coefficient, and can also reduce the failure rate of equipment operation; the cost of inspection and maintenance is low, the water consumption is extremely low, and the underground environment is unlikely to be polluted.

Description

A kind of rig heat supply heat-insulation system
 
Technical field
The present invention relates to oil-well rig field, relate in particular to a kind of rig heat supply heat-insulation system.
Background technology
At present, the insulation of oil-well rig preventing freeze in winter is all to adopt steam heating boiler (fire coal, fuel oil, combustion gas) heat-supplying mode, and traditional coal-fired steam boiler heat supply insulation accounts for absolute leadership status.The steam being produced by traditional coal-fired steam boiler as heat transfer medium through in the equipment of the pressurization of circulation force (forcing) pump each insulation of need to being heated of series connection access respectively or relevant heat-exchanger rig, and carry out thermal energy exchange with liquid or air in relevant device or heat-exchanger rig, thereby complete the object of the insulation of thawing.Although existing heat supply anti-freezing and heat-insulating mode can complete the object of the insulation of thawing to a certain extent, but still there is the defect and the potential safety hazard that are difficult to overcome:
(1) traditional coal-fired steam boiler is pressure vessel, when operation, there is the defect such as boiler and pipeline burst, fault rate is high, safety factor is low, and traditional coal-fired steam boiler all needs check every year, its maintenance technique requires, construction manufacture craft level is high, and material and human cost are high, and check and to keep in repair required expense larger;
(2) the thermal source mounting medium of traditional coal-fired steam boiler heat supply anti-freezing and heat-insulating mode is steam, only can realize the part of drilling equipment antifreeze and thaw, and cannot realize the control blowout manifold control valve group to offshore boring island, the slurry tank case of kill manifold control valve group and high-pressure slurry pumping system, sand prevention tank canopy, mud conservation tank case and slush pump, generator room, diesel fuel tank and fuel system for diesel engine, clean water tank, well cementation clean water tank and water system etc. are carried out the warming mode of effective solid space hot wind supply;
(3) traditional coal-fired steam boiler heat supply heat preserving mode belongs to secondary thermal energy exchange, and the thermal efficiency is low, and water supply volume is large, and pipeline heat loss is serious, easily freeze, and the possibility that exists frozen pipe to leak and easily cause whole heating system to be paralysed;
(4) recirculated water with emulsification scale-deposit-preventing, antirust solution that traditional coal-fired steam boiler heat-supplying mode uses infiltrates soil, raw drilling well producing region, easily causes underground environmental pollution;
(5) traditional coal-fired steam boiler heat supply heat preserving mode, easily dewfall, water vapour are larger, there is a large amount of ice faces, icicle in drilling well work plane, bring hidden danger to safety in production, and in the environment of severe cold, operative employees' both feet are trampled ice face, and wooden both hands and health are doing the operation sequence as machinery, tumble, fall completely likely to occur;
(6) while adopting steam heating boiler heat supply insulation, need finned, and the natural heat-transfer effect of fin is poor, and surrounding need to arrange a large amount of fin, affect operative employee personnel and normally make an inspection tour.
In sum, it is antifreeze and thaw that the heat supply heat-insulation system of traditional coal-fired steam boiler only can be realized the part of drilling equipment, and heat insulation effect is poor, efficiency of thermal transfer is low, and fault rate is high, and safety factor is low, check and to keep in repair required expense larger, water supply volume is large, and easily causes underground environmental pollution.
 
Summary of the invention
The technical problem to be solved in the present invention is, only can realize the part of drilling equipment for heat supply heat-insulation system in prior art antifreeze and thaw, heat insulation effect is poor, efficiency of thermal transfer is low, fault rate is high, safety factor is low, check and to keep in repair required expense larger, water supply volume causes greatly and easily the above-mentioned defects such as underground environmental pollution, provide one can realize comprehensively and effectively solid space antifreeze and thaw, high insulating effect, efficiency of thermal transfer is high, safety factor is high, the fault rate of energy reduction equipment operation, check and to keep in repair required expense few, water supply volume is few and be difficult for causing the rig heat supply heat-insulation system of underground environmental pollution.
The technical solution adopted for the present invention to solve the technical problems is: a kind of rig heat supply heat-insulation system, comprises the first hot-blast stove, the second hot-blast stove, the first hot air vacuum tank, the first hot air booster fan, the second hot air threeway vacuum tank, well cementation clean water tank roof insulating, oil tank roof insulating, generator sand prevention canopy, sand prevention tank canopy, the second hot air booster fan, management and control valve group, offshore boring island, electrically heated boiler, the first slurry tank case and the second mud filling case;
In sand prevention tank canopy, be provided with the 3rd slurry tank case, the 4th slurry tank case and high-pressure slurry pump assembly;
The first hot-blast stove is connected with the input port of the first hot air vacuum tank with the second hot-air duct by the first hot-air duct respectively with the second hot-blast stove, and the delivery outlet of the first hot air vacuum tank is communicated with the entrance of the 3rd slurry tank case, the 4th slurry tank case, the first hot air booster fan entrance and the second hot air booster fan by a special line hot air airduct, No. two special line hot air airducts, No. three special line hot air airducts and No. four special line hot air airducts respectively, and the delivery outlet of the first hot air vacuum tank is also connected with clean water tank roof insulating;
The outlet of the first hot air booster fan is connected with the entrance of generator sand prevention canopy and the second hot air threeway vacuum tank respectively, and the outlet of the second hot air threeway vacuum tank is connected with oil tank roof insulating with well cementation clean water tank roof insulating with the 4th hot-air duct by the 3rd hot-air duct respectively;
The outlet of the second hot air booster fan is connected with high-pressure slurry pump assembly with offshore boring island, management and control valve group with No. five special line hot air airducts by the 6th hot-air duct, the 7th hot-air duct respectively; Management and control valve group comprises control blowout manifold control valve group and kill manifold control valve group, and control blowout manifold control valve group and kill manifold control valve group lay respectively at the left and right sides of the drilling well support of offshore boring island;
Electrically heated boiler is connected with offshore boring island, the first slurry tank case and the second slurry tank case with the tenth steam pipeline by the 8th steam pipeline, the 9th steam pipeline respectively.
In rig heat supply heat-insulation system of the present invention, the first hot-blast stove or the second hot-blast stove are as the heat source of described heat-insulation system, be the using and the reserved at ordinary times, but can be according to on-the-spot actual needs, start a wherein hot-blast stove or simultaneously start two hot-blast stoves, hence one can see that, rig heat supply heat-insulation system of the present invention is to adopt hot-blast stove that hot air thermal source is provided, and adopt the hot blast of hot-blast stove generation as thermal source mounting medium, not only reduce the fault rate of equipment operation, also avoid the defect such as bursting of boilers casualty accident and booster in traditional coal-fired steam boiler running, significantly improve safety factor, and hot-blast stove does not belong to pressure vessel, must all not check every year, its maintenance technique requires low, reduce human cost, also greatly cut down check and keeped in repair required expense.
The first hot-blast stove is connected with the input port of the first hot air vacuum tank with the second hot-air duct by the first hot-air duct respectively with the second hot-blast stove, and the hot blast that the first hot-blast stove and the second hot-blast stove produce all obtains and first enters the first hot air vacuum tank, secondly must be transported in the 3rd slurry tank case, the 4th slurry tank case, the first hot air booster fan and the second hot air booster fan by a special line hot air airduct, No. two special line hot air airducts, No. three special line hot air airducts and No. four special line hot air airducts respectively, again, hot blast enters into respectively generator sand prevention canopy and the second hot air threeway vacuum tank from the outlet of the first hot air booster fan, the hot blast that enters into the second hot air threeway vacuum tank is delivered to well cementation clean water tank roof insulating and oil tank roof insulating by the 3rd hot-air duct and the 4th hot-air duct respectively again, hot blast passes through respectively the 6th hot-air duct from the outlet of the second hot air booster fan, the 7th hot-air duct and No. five special line hot air airducts are delivered to offshore boring island, management and control valve group and high-pressure slurry pump assembly, once more be imported in sand prevention tank canopy from the hot blast of a special line hot air airduct and No. two special line hot air airduct outputs respectively, for the 3rd slurry tank case and the 4th slurry tank case provide thermal source, hence one can see that, rig heat supply heat-insulation system of the present invention can be realized drilling equipment, for example can be to the control blowout manifold control valve group of offshore boring island, kill manifold control valve group and high-pressure slurry pump assembly, the slurry tank case of sand prevention tank canopy, mud conservation tank case and slush pump, generator room, diesel fuel tank and fuel system for diesel engine, clean water tank, well cementation clean water tank and water system etc. are carried out the effective antifreeze of comprehensive solid space and insulation, and thermal source mounting medium is the hot blast that hot-blast stove produces, but not steam, hot-blast stove heat supply programming rate is fast, and the heat producing is that traditional steam heating boiler is through more than two times of water lines institute quantity of heat production, in addition, the present invention adopts hot-blast stove to provide thermal source also to avoid finned, and the hot blast of its generation and air directly carry out interchange of heat, have significantly improved efficiency of thermal transfer, high insulating effect, the potential safety hazard of having eliminated the Large-scale Explosion Injury Accidents of traditional steam heating boiler existence, has overcome above-mentioned many defects.
In addition, hot-blast stove heat supply heat preserving mode anhydrous operation, can save a large amount of water resources, a drilling crew at least can save 1200 tons, water a winter, and the mode of this anhydrous heat supply insulation can also guarantee good production environment, makes production site without icing phenomenon, can avoid the industrial accident causing because of the wrestling of freezing, can also avoid causing underground environmental pollution, further improve safety of creeping into heat supply heat-insulation system of the present invention.
Improve as the one to technical scheme of the present invention, on described the first hot-air duct and the second hot-air duct, be respectively equipped with the first shut-off valve and the second shut-off valve.The setting of the first shut-off valve and the second shut-off valve, be conducive to control the Push And Release of the first hot-blast stove and the second hot-blast stove, in the time that environment temperature is higher, only need to open in the first hot-blast stove and the second hot-blast stove, in the time that environment temperature is lower, can open the first hot-blast stove and the second hot-blast stove simultaneously.
Improve as the one to technical scheme of the present invention, the steam tube head in the 3rd slurry tank case and the 4th slurry tank case is communicated with a special line hot air airduct and No. two special line hot air airducts respectively.
The 3rd slurry tank case comprises 9 slurry tanks, the 4th slurry tank case comprises 4 slurry tanks, and one of them is connected the original steam tube head of the 3rd slurry tank case and the 4th slurry tank case and inputs hot air with No. two special line hot air airducts with a special line hot air airduct respectively, treat that hot blast enters into the U-shaped Guan Zhonghou in slurry tank from one end of steam tube head, the low temperature hot blast producing after the mud generation interchange of heat of hot blast outside U-shaped Guan Zhongyu tube wall transports out and stays in sand prevention tank canopy from the other end of steam tube head, temperature in sand prevention tank canopy is remained on above zero, far away higher than canopy external environment temperature, play space insulation effect.In addition, a special line hot air airduct and No. two special line hot air airducts are in sand prevention tank canopy, can be according to on-site actual situations, be connected many piece hot air branch wind pipes with No. two special line hot air airduct ends by threeway at a special line hot air airduct, to strengthen the solid space insulation effect in sand prevention tank canopy.
Improve as the one to technical scheme of the present invention, the steam tube head in oil tank roof insulating is communicated with the 4th hot-air duct.One in oil tank roof insulating in the steam tube head of many oil tanks is communicated with the 4th hot-air duct, when hot blast is in the first end of steam pipe enters into the U-shaped heat exchanger tube in oil tank, hot blast in this U-shaped pipe with tube wall diesel oil etc. carry out interchange of heat, the low temperature hot blast that interchange of heat obtains is exported in oil tank roof insulating from the other end of original steam tube head, make temperature in oil tank roof insulating far away higher than the environment temperature outside canopy, play solid space insulation effect in canopy.
In technical scheme of the present invention, original steam tube head in well cementation clean water tank roof insulating is communicated with the 3rd hot-air duct, in U-shaped heat exchanger when hot blast enters into well cementation clean water tank from original steam tube head one end in, hot blast in this U-shaped pipe with tube wall clear water etc. carry out interchange of heat, the low temperature hot blast that interchange of heat obtains in well cementation clean water tank roof insulating, makes the temperature of cementing the well in clean water tank roof insulating far away higher than the environment temperature outside canopy from the other end output of original steam tube head.
In addition, the original steam tube head in clean water tank roof insulating is communicated with by minor diameter warm-air pipe with the hot air of the first hot air vacuum tank output.When hot blast is in original steam tube head one end enters into the U-shaped heat exchanger tube in clean water tank, hot blast in this U-shaped pipe with tube wall clear water etc. carry out interchange of heat, the low temperature hot blast that interchange of heat obtains is exported in clean water tank roof insulating from the other end of original steam tube head, makes temperature in clean water tank roof insulating far away higher than the environment temperature outside canopy.
Improve as the one to technical scheme of the present invention, No. five special line hot air airduct end is connected with many hot air branch wind pipes.Export to respectively many hot air branch wind pipes from the hot blast of No. five special line hot air airduct outputs, these many hot air branch wind pipes directly blow hot blast to high pressure slurry pump unit and carry out solid space insulation, replace the electrically heated heat preserving mode of available technology adopting, eliminated to a certain extent potential safety hazard.
Improve as the one to technical scheme of the present invention, the discharge pressure of fan of the first hot air booster fan is 1500-3000Pa, and its discharge quantity of fan is 2000-4000m 3/ h.
Improve as the one to technical scheme of the present invention, the discharge pressure of fan of the second hot air booster fan is 1500-3000Pa, and its discharge quantity of fan is 2000-4000m 3/ h.
Improve as the one to technical scheme of the present invention, the output temperature of the first hot-blast stove is 30-200 oc, and its discharge quantity of fan is 30000-40000m 3/ min.
Improve as the one to technical scheme of the present invention, the output temperature of the second hot-blast stove is 30-200 oc, and its discharge quantity of fan is 30000-40000m 3/ min.
Improve as the one to technical scheme of the present invention, the first hot-blast stove and the second hot-blast stove are electrothermal wind furnace, warm air oil furnace, fuel gas hot-blast stove or coal-fired hot-blast stove.
In technical scheme of the present invention, all hot blast conveying pipe roads, such as the first pipeline, second pipe, a special line airduct, No. two special line airducts, No. three special line airducts, No. four special line airducts, the 3rd pipeline, the 4th pipeline, the 6th pipeline, the 7th pipeline, No. five special line airducts, the 8th pipeline, the 9th pipeline and the tenth pipeline can be steel pipe or flexible pipe, and the conveyance conduit of the 3rd slurry tank group in sand prevention battalion canopy and the 4th slurry tank group and the outer available rubbish cotton of flexible pipe and film bundle to reach the object of insulation, and all outlet ports in rig heat supply heat-insulation system of the present invention and entrance are except the sealing that sews cloth with account is heat insulation, also can be provided with warm air curtain isolation room inner air and outer air, invade indoor with the Cryogenic air of blocking in external environment.
In technical scheme of the present invention, the hot air that the first hot-blast stove and the second hot-blast stove produce is as the insulation of large area space, as control blowout manifold control valve group and kill manifold control valve group roof insulating, sand prevention tank canopy, generator sand prevention canopy, clean water tank roof insulating, well cementation clean water tank roof insulating etc.; Electrically heated boiler (0.3T/h), as the use of the quick-thawing of the clean and tool joint of offshore boring island, belongs to a kind of compound production layout process form.
In addition, in the technical scheme of the present invention, all specified otherwise of not doing, all can be by adopting the conventional means in this area realize the technical program.Therefore, the invention has the beneficial effects as follows a kind of rig heat supply heat-insulation system is provided, this heat-insulation system can be realized comprehensively antifreeze and thaw, high insulating effect, efficiency of thermal transfer is high, and safety factor is high, can also reduction equipment the fault rate of operation, its check and to keep in repair required expense also few, water supply volume is few and be difficult for causing underground environmental pollution.
 
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of rig heat supply heat-insulation system of the present invention;
Now by as follows the label declaration in accompanying drawing: 1 is the first hot-blast stove, 2 is the second hot-blast stove, 3 is the first hot-air duct, 4 is the second hot-air duct, 5 is the first shut-off valve, 6 is the second shut-off valve, 7 is the first hot air vacuum tank, 8 is a special line hot air airduct, 9 is No. two special line hot air airducts, 10 is No. three special line hot air airducts, 11 is No. four special line hot air airducts, 12 is the first hot air booster fan, 13 is the second hot air threeway vacuum tank, 14 is the 3rd hot-air duct, 15 is the 4th hot-air duct, 16 is well cementation clean water tank roof insulating, 17 is oil tank roof insulating, 18 is generator sand prevention canopy, 19 is clean water tank roof insulating, 20 is sand prevention tank canopy, 21 is the 3rd slurry tank case, 22 is the 4th slurry tank case, 23 is high-pressure slurry pump assembly, 24 is the second hot air booster fan, 25 is management and control valve group, 26 is offshore boring island, 27 is electrically heated boiler, 28 is the first slurry tank case, 29 is the second slurry tank case, 30 is the 5th hot-air duct, 31 is the 6th hot-air duct, 32 is the 7th hot-air duct, 33 is No. five special line hot air airducts, 34 is the 8th steam pipeline, 35 is the 9th steam pipeline, 36 is the tenth steam pipeline, 37 is the 11 hot-air duct.
 
The specific embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
In preferred embodiment of the present invention, a kind of rig heat supply heat-insulation system, as shown in Figure 1, comprise the first hot-blast stove 1, the second hot-blast stove 2, the first hot air vacuum tank 7, the first hot air booster fan 12, the second hot air threeway vacuum tank 13, well cementation clean water tank roof insulating 16, oil tank roof insulating 17, generator sand prevention canopy 18, sand prevention tank canopy 20, the second hot air booster fan 24, management and control valve group 25, offshore boring island 26, electrically heated boiler 27, the first slurry tank case 28 and the second mud grouting case 29.
In above-mentioned sand prevention tank canopy 20, be provided with the 3rd slurry tank case 21, the 4th slurry tank case 22 and high-pressure slurry pump assembly 23.
Above-mentioned the first hot-blast stove 1 is connected with the input port of the first hot air vacuum tank 7 with the second hot-air duct 4 by the first hot-air duct 3 respectively with the second hot-blast stove 2, and on the first hot-air duct 3 and the second hot-air duct 4, be respectively equipped with the first shut-off valve 5 and the second shut-off valve 6, this first shut-off valve 5 and the second shut-off valve 6 are respectively used to control the Push And Release of the first hot-blast stove 1 and the second hot-blast stove 2; And the delivery outlet of above-mentioned the first hot air vacuum tank 7 is communicated with the steam tube head in above-mentioned the 3rd slurry tank case 21, steam tube head, the entrance of the first hot air booster fan 12 and the entrance of the second hot air booster fan 24 in the 4th slurry tank case 22 by special line hot air airduct 8, No. two special line hot air airducts 9, No. three special line hot air airducts 10 and No. four special line hot air airducts 11 respectively, and the delivery outlet of this first hot air vacuum tank 7 is also connected with clean water tank roof insulating 19 by the 11 hot-air duct 37;
The outlet of above-mentioned the first hot air booster fan 12 is connected with the entrance of above-mentioned generator sand prevention canopy 18 and the second hot air threeway vacuum tank 13 respectively, and the outlet of above-mentioned the second hot air threeway vacuum tank 13 is connected with the steam tube head in oil tank roof insulating 17 with well cementation clean water tank roof insulating 16 with the 4th hot-air duct 15 by the 3rd hot-air duct 14 respectively;
The outlet of above-mentioned the second hot air booster fan 24 is connected with high-pressure slurry pump assembly 23 with offshore boring island 26, management and control valve group 25 with No. five special line hot air airducts 33 by the 6th hot-air duct 31, the 7th hot-air duct 32 respectively, and these No. five special line hot air airduct 33 ends are connected with many hot air branch wind pipes, these many hot air branch wind pipes directly blow high-pressure slurry pump assembly 23; This management and control valve group 25 comprises control blowout manifold control valve group and kill manifold control valve group, and this control blowout manifold control valve group and kill manifold control valve group lay respectively at the left and right sides of the drilling well support of above-mentioned offshore boring island 26;
Above-mentioned electrically heated boiler 27 is connected with offshore boring island 26, the first slurry tank case 28 and the second slurry tank case 29 with the tenth steam pipeline 36 by the 8th steam pipeline 34, the 9th steam pipeline 35 respectively.
The 3rd slurry tank case 21 comprises 9 slurry tanks, the 4th slurry tank case 22 comprises 4 slurry tanks, and the original steam tube head of the 3rd slurry tank case 21 and the 4th slurry tank case 22 one of them be connected and input hot air with No. two special line hot air airducts 9 with a special line hot air airduct 8 respectively; In addition, a special line hot air airduct 8 and No. two special line hot air airducts 9 are in sand prevention tank canopy 20, can be according to on-site actual situations, be connected many piece hot air branch wind pipes with No. two special line hot air airduct 9 ends by threeway at a special line hot air airduct 8, to strengthen the solid space insulation effect in sand prevention tank canopy 20.
In the present embodiment, the discharge pressure of fan of the first hot air booster fan 12 and the second hot air booster fan 24 is 1500-3000Pa, and the discharge quantity of fan of the two is 2000-4000m 3/ h; The output temperature of the first hot-blast stove 1 and the second hot-blast stove 2 is 30-200 oc, and the discharge quantity of fan of the two is 30000-40000m 3/ min, and the first hot-blast stove 1 and the second hot-blast stove 2 can be electrothermal wind furnace, warm air oil furnace, fuel gas hot-blast stove or coal-fired hot-blast stove.
In addition, in the present embodiment, the diameter of the first hot-air duct 3 and the second hot-air duct 4 is 400mm, the diameter of the 3rd hot-air duct 14, the 4th hot-air duct 15 and the 5th hot-air duct 30 is 100mm, the diameter of the 6th hot-air duct 31 is 200mm, the diameter of the 7th hot-air duct 32, the 8th steam pipeline 34, the 9th steam pipeline 35 and the tenth steam pipeline 36 is 100mm, and the diameter of the 11 hot-air duct 37 is 50mm.
In addition, in the present embodiment, all hot blast conveying pipe roads, such as the first hot-air duct 3, the second hot-air duct 4, a special line hot air airduct 8, No. two special line hot air airducts 9, No. three special line hot air airducts 10, No. four special line hot air airducts 11, the 3rd hot-air duct 14, the 4th hot-air duct 15, the 5th hot-air duct 30, the 6th hot-air duct 31, the 7th hot-air duct 32, No. five special line hot air airducts 33, the 8th steam pipeline 34, the 9th steam pipeline 35, the tenth steam pipeline the 36 and the 11 hot-air duct 37 can be all steel pipe or flexible pipe, and the outer available rubbish cotton of the conveyance conduit of the 3rd slurry tank case 21 in sand prevention tank canopy 20 and the 4th slurry tank case 22 and flexible pipe and film bundle to reach the object of insulation, and all outlet ports in rig heat supply heat-insulation system described in the present embodiment and entrance are except the sealing that sews cloth with account is heat insulation, also can be provided with warm air curtain isolation room inner air and outer air, invade indoor with the Cryogenic air of blocking in external environment.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.

Claims (10)

1. a rig heat supply heat-insulation system, it is characterized in that, comprise the first hot-blast stove (1), the second hot-blast stove (2), the first hot air vacuum tank (7), the first hot air booster fan (12), the second hot air threeway vacuum tank (13), well cementation clean water tank roof insulating (16), oil tank roof insulating (17), generator sand prevention canopy (18), sand prevention tank canopy (20), the second hot air booster fan (24), management and control valve group (25), offshore boring island (26), electrically heated boiler (27), the first slurry tank case (28) and the second mud filling case (29);
In described sand prevention tank canopy (20), be provided with the 3rd slurry tank case (21), the 4th slurry tank case (22) and high-pressure slurry pump assembly (23);
Described the first hot-blast stove (1) is connected with the input port of the first hot air vacuum tank (7) with the second hot-air duct (4) by the first hot-air duct (3) respectively with the second hot-blast stove (2), and the delivery outlet of described the first hot air vacuum tank (7) is respectively by a special line hot air airduct (8), No. two special line hot air airducts (9), No. three special line hot air airducts (10) and No. four special line hot air airducts (11) and described the 3rd slurry tank case (21), the 4th slurry tank case (22), the entrance of the first hot air booster fan (12) entrance and the second hot air booster fan (24) is communicated with, and the delivery outlet of described the first hot air vacuum tank (7) is also connected with clean water tank roof insulating (19),
The outlet of described the first hot air booster fan (12) is connected with the entrance of described generator sand prevention canopy (18) and the second hot air threeway vacuum tank (13) respectively, and the outlet of described the second hot air threeway vacuum tank (13) is connected with oil tank roof insulating (17) with described well cementation clean water tank roof insulating (16) with the 4th hot-air duct (15) by the 3rd hot-air duct (14) respectively;
The outlet of described the second hot air booster fan (24) is connected with offshore boring island (26), management and control valve group (25) and high-pressure slurry pump assembly (23) with No. five special line hot air airducts (33) by the 6th hot-air duct (31), the 7th hot-air duct (32) respectively; Described management and control valve group (25) comprises control blowout manifold control valve group and kill manifold control valve group, and described control blowout manifold control valve group and kill manifold control valve group lay respectively at the left and right sides of the drilling well support of described offshore boring island (26);
Described electrically heated boiler (27) is connected with offshore boring island (26), the first slurry tank case (28) and the second slurry tank case (29) with the tenth steam pipeline (36) by the 8th steam pipeline (34), the 9th steam pipeline (35) respectively.
2. rig heat supply heat-insulation system according to claim 1, is characterized in that, is respectively equipped with the first shut-off valve (5) and the second shut-off valve (6) on described the first hot-air duct (3) and the second hot-air duct (4).
3. rig heat supply heat-insulation system according to claim 1, it is characterized in that, the steam tube head in described the 3rd slurry tank case (21) and the 4th slurry tank case (22) is communicated with a special line hot air airduct (8) and No. two special line hot air airducts (9) respectively.
4. rig heat supply heat-insulation system according to claim 1, is characterized in that, the steam tube head in described oil tank roof insulating (17) is communicated with the 4th hot-air duct (15).
5. rig heat supply heat-insulation system according to claim 1, is characterized in that, described No. five special line hot air airducts (33) end is connected with many hot air branch wind pipes.
6. rig heat supply heat-insulation system according to claim 1, is characterized in that, the discharge pressure of fan of described the first hot air booster fan (12) is 1500-3000Pa, and its discharge quantity of fan is 2000-4000m 3/ h.
7. rig heat supply heat-insulation system according to claim 1, is characterized in that, the discharge pressure of fan of described the second hot air booster fan (24) is 1500-3000Pa, and its discharge quantity of fan is 2000-4000m 3/ h.
8. rig heat supply heat-insulation system according to claim 1, is characterized in that, the output temperature of described the first hot-blast stove (1) is 30-200 oc, and its discharge quantity of fan is 30000-40000m 3/ min.
9. rig heat supply heat-insulation system according to claim 1, is characterized in that, the output temperature of described the second hot-blast stove (2) is 30-200 oc, and its discharge quantity of fan is 30000-40000m 3/ min.
10. according to the rig heat supply heat-insulation system described in claim 1 or 8 or 9, it is characterized in that, described the first hot-blast stove (1) and the second hot-blast stove (2) are electrothermal wind furnace, warm air oil furnace, fuel gas hot-blast stove or coal-fired hot-blast stove.
CN201410024338.0A 2014-01-20 2014-01-20 A kind of rig heat supply heat-insulation system Expired - Fee Related CN103775028B (en)

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Publication number Priority date Publication date Assignee Title
CN113043651A (en) * 2021-03-30 2021-06-29 浙江德瑞新材科技股份有限公司 Heating system for friction plate hot press and using method
CN115807648A (en) * 2022-12-30 2023-03-17 胜利油田奥凯龙石油工程有限公司 Automatic change rig heat preservation device that prevents frostbite of control

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CN203808938U (en) * 2014-01-20 2014-09-03 陆骏 Heat supplying and heat-preserving system for drilling machine

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SU1745840A1 (en) * 1989-06-27 1992-07-07 Maschev Viktor A Device for loosening frozen earth prior to excavation
CN2561925Y (en) * 2002-10-08 2003-07-23 廊坊北方石油特种设备有限公司 Air circuit antifreezing device of petroleum drill
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113043651A (en) * 2021-03-30 2021-06-29 浙江德瑞新材科技股份有限公司 Heating system for friction plate hot press and using method
CN115807648A (en) * 2022-12-30 2023-03-17 胜利油田奥凯龙石油工程有限公司 Automatic change rig heat preservation device that prevents frostbite of control

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