CN114321868A - Movable steam injection boiler and moving method thereof - Google Patents
Movable steam injection boiler and moving method thereof Download PDFInfo
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- CN114321868A CN114321868A CN202011048214.8A CN202011048214A CN114321868A CN 114321868 A CN114321868 A CN 114321868A CN 202011048214 A CN202011048214 A CN 202011048214A CN 114321868 A CN114321868 A CN 114321868A
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- 238000010793 Steam injection (oil industry) Methods 0.000 title claims abstract description 80
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000005855 radiation Effects 0.000 claims abstract description 51
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims abstract description 18
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- 238000009434 installation Methods 0.000 claims description 5
- 238000013022 venting Methods 0.000 abstract description 2
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 11
- 239000003546 flue gas Substances 0.000 description 11
- 230000007704 transition Effects 0.000 description 9
- 238000001704 evaporation Methods 0.000 description 6
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- 238000010586 diagram Methods 0.000 description 4
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- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
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- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
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- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
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- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention relates to a mobile steam injection boiler and a moving method thereof, wherein the mobile steam injection boiler comprises a first module, a second module, a third module, a fourth module and a fifth module, the first module comprises a boiler operation panel, a burner, a blower, a radiation section and a water-water heat exchanger, the second module comprises a convection section, the third module comprises a plunger pump and an air compressor, the fourth module comprises a power distribution system, and the fifth module comprises a venting device. The first module is installed on a first transport vehicle, the convection section is installed above the tail part of the radiation section, and the first module, the second module, the third module, the fourth module and the fifth module are connected through corresponding pipelines. The invention can realize the reutilization of the steam injection boiler, meet the steam injection requirement of the newly developed thick oil block, solve the problem of the steam injection requirement of the newly developed thick oil block and reduce the investment.
Description
Technical Field
The invention relates to the technical field of thickened oil development, in particular to a movable steam injection boiler and a moving method thereof.
Background
The technical parameters of the existing steam injection boiler are as follows: rated evaporation capacity: 23 t/h; rated steam pressure: 17.2 MPa; rated steam temperature: 353 ℃; steam dryness: 80 percent; size: 27750X 4110X 8470mm (containing chimney); fuel: oil and gas; the control mode is as follows: PLC + touch-sensitive screen. The steam injection boiler is constructed as shown in fig. 1 and 2, and includes a boiler body, a water-water heat exchanger, a burner 04, a blower 05, a boiler operation panel 06 (i.e., an automatic meter), and a plunger pump 07. The boiler body comprises a radiation section 01, a transition section 02 and a convection section 03, wherein the radiation section 01 is of a cylindrical structure, a heating surface adopts a snake-shaped reciprocating structure, heat transfer is mainly carried out in a radiation heat transfer mode, and the distance between a front end plate and a rear end plate is 12500 mm. The transition section 02 is a high-temperature flue gas diversion area, the length of the transition section 02 is 4680mm, no heating surface is arranged inside the transition section, and the temperature of the outer surface is highest. The convection section 03 is located in the low temperature area of the flue gas and has the function of further reducing the temperature of the flue gas and improving the thermal efficiency of the boiler. The combustor 04 is a North America direct-blowing type double-fuel combustor, the length of the combustor section is 5500mm, and the length of the rest pump sections is 5070 mm.
Traditional steam injection boilers, especially large-scale steam injection boilers with rated evaporation capacity of 23t/h are all skid-mounted fixed structures, are fixedly mounted in a plant to inject steam through a steam injection pipe network, and cannot be moved at will. However, as the thick oil old district block is developed, the steam injection amount is decreased, so that the steam injection boiler of the part 23t/h is in an idle and inactive state. According to an oil reservoir development scheme, the steam injection requirement of a newly developed heavy oil block is high, a 11.2t/h and 9.2t/h movable furnace originally undertakes the steam injection task, the evaporation capacity of the boiler is low, the steam injection speed is low, the single-well steam injection time is long, and the oil extraction speed of the block is greatly influenced. If a 23t/h steam injection boiler is newly built in a new block, the building cost is higher; if the steam injection boiler of the old block is moved to a new block, the factory building needs to be dismantled, the steam injection boiler is lifted and moved by a large crane, the cost is about 813 ten thousand yuan for moving a newly built steam injection station of the steam injection boiler, and the investment is large.
Therefore, the inventor provides a movable steam injection boiler and a moving method thereof by virtue of experience and practice of related industries for many years, so as to overcome the defects of the prior art.
Disclosure of Invention
The invention aims to provide a movable steam injection boiler and a moving method thereof, which can realize the reutilization of the steam injection boiler, meet the steam injection requirement of a newly developed thick oil block, solve the problem of the steam injection requirement of the newly developed thick oil block and reduce the investment.
The purpose of the invention can be realized by adopting the following technical scheme:
the invention provides a movable steam injection boiler which comprises a first module, a second module, a third module, a fourth module and a fifth module, wherein the first module is connected with the second module; the first module comprises a boiler operation panel, a burner, a blower, a radiation section and a water-water heat exchanger, the second module comprises a convection section, the third module comprises a plunger pump and an air compressor, the fourth module comprises a power distribution system, and the fifth module comprises emptying equipment; the first module is installed on a first transport vehicle, the convection section is installed above the tail part of the radiation section, and the first module, the second module, the third module, the fourth module and the fifth module are connected through corresponding pipelines.
In a preferred embodiment of the invention, the second module can be mounted on a second transport vehicle, the third module can be mounted on a third transport vehicle, the fourth module can be mounted on a fourth transport vehicle, and the fifth module can be mounted on a fifth transport vehicle.
In a preferred embodiment of the present invention, the first module is mounted on the first transport vehicle through a first chassis, the second module is mounted on the second transport vehicle through a second chassis, the third module is mounted on the third transport vehicle through a third chassis, the fourth module is mounted on the fourth transport vehicle through a fourth chassis, and the fifth module is mounted on the fifth transport vehicle through a fifth chassis; the second chassis, the third chassis, the fourth chassis and the fifth chassis are detachably and fixedly connected with the second transport vehicle, the third transport vehicle, the fourth transport vehicle and the fifth transport vehicle respectively, and the second module is detachably and fixedly connected with the second chassis.
In a preferred embodiment of the present invention, the first transportation vehicle is a trailer, and the second transportation vehicle, the third transportation vehicle, the fourth transportation vehicle and the fifth transportation vehicle are all trucks.
In a preferred embodiment of the present invention, the first module further comprises a high stem section mounted above the tail of the radiant section, and the convection section is mounted above the high stem section; a first pipe bundle arranged in a snake-shaped reciprocating manner is arranged in the radiation section, and a second pipe bundle arranged in a snake-shaped reciprocating manner is arranged in the high-dry section; the outlet end of the first tube bank is connected with the inlet end of the second tube bank, and the outlet end of the second tube bank is used as a steam outlet.
In a preferred embodiment of the present invention, the radiation section includes a horizontal cylindrical housing, a notch is formed above a tail portion of the housing, a mounting frame is disposed at the notch, and a lower end of the high stem section is mounted on the mounting frame.
In a preferred embodiment of the present invention, a third tube bundle arranged in a serpentine reciprocating manner is disposed in the convection section, the water-water heat exchanger is disposed at a side surface of the radiation section, the water-water heat exchanger includes an inner tube and an outer tube sleeved outside the inner tube, an outlet end of the plunger pump is connected to a water inlet end of the outer tube, a water outlet end of the outer tube is connected to a water inlet end of the third tube bundle, a water outlet end of the third tube bundle is connected to a water inlet end of the inner tube, and a water outlet end of the inner tube is connected to a water inlet end of the first tube bundle.
In a preferred embodiment of the present invention, the third tube bundle includes a light pipe and a finned tube disposed above the light pipe, a water inlet end of the finned tube is used as a water inlet end of the third tube bundle, a water outlet end of the finned tube is connected to the water inlet end of the light pipe, and a water outlet end of the light pipe is used as a water outlet end of the third tube bundle.
In a preferred embodiment of the invention, the burner is arranged at the head of the radiant section and is connected to the blower.
The invention also provides a moving method of the movable steam-injection boiler, which comprises the following steps:
s1, taking a boiler operation panel, a burner, a blower, a radiation section and a water-water heat exchanger as a first module and installing the first module on a first transport vehicle, taking a convection section as a second module and installing the second module on a second transport vehicle, taking a plunger pump and an air compressor as a third module and installing the third module on a third transport vehicle, taking a power distribution system as a fourth module and installing the fourth transport vehicle, and taking emptying equipment as a fifth module and installing the fifth transport vehicle;
s2, transporting the first module to a working position through a first transport vehicle, transporting the second module to the working position through a second transport vehicle, transporting the third module to the working position through a third transport vehicle, transporting the fourth module to the working position through a fourth transport vehicle, and transporting the fifth module to the working position through a fifth transport vehicle;
s3, the second module is hung above the radiation section through a crane and is installed above the tail of the radiation section, and the third module, the fourth module and the fifth module are respectively hung on the ground through the crane;
and S4, connecting the first module, the second module, the third module, the fourth module and the fifth module through corresponding pipelines to finish movement.
According to the mobile steam injection boiler disclosed by the invention, the mobile steam injection boiler is divided into five modules according to the volume of each part, so that the layout is reasonable, the transportation size is reduced, and the transportation is convenient. And after each module is moved to the working position of the newly developed thick oil block, the modules are connected through corresponding pipelines, so that the modules can be directly used without newly developing the thick oil block to construct a new steam injection boiler again. The steam injection system has the advantages that the steam injection requirements of the newly developed thickened oil block are met, the steam injection speed of the newly developed thickened oil block is greatly improved, the yield of thickened oil is increased, the reuse of the old block steam injection boiler is realized, the steam injection boiler is more flexible to use, the utilization rate of the steam injection boiler is greatly improved, and the investment is reduced. In addition, the transition section in the prior art is eliminated, and the convection section can be directly arranged above the tail part of the radiation section, so that the floor area is smaller, and the transportation is more convenient.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1: is a structural schematic diagram of a steam injection boiler with the rated evaporation capacity of 23t/h in the prior art.
FIG. 2: is a partial structure diagram of a radiation section in the prior art.
FIG. 3: is a front view of the mobile steam injection boiler provided by the invention.
FIG. 4: is a side view of a mobile steam injection boiler provided by the present invention.
FIG. 5: the invention provides a structural schematic diagram of a radiation section.
FIG. 6: the invention provides a structural schematic diagram of a mounting frame.
FIG. 7: is a front view of the convection section provided by the present invention.
FIG. 8: a side view of a convection section is provided for the present invention.
FIG. 9: is a front view of the high stem section provided by the present invention.
FIG. 10: a side view of a high stem section is provided for the present invention.
FIG. 11: the mobile steam injection boiler provided for the present invention has a schematic structure in which arrows in fig. 11 represent the direction of water flow.
The reference numbers illustrate:
the prior art is as follows:
01. a radiation section; 02. a transition section; 03. a convection section; 04. a burner; 05. a blower; 06. a boiler operating panel; 07. a plunger pump.
The invention comprises the following steps:
1. a radiation section; 11. a first tube bundle; 12. a housing; 121. cutting; 122. a mounting frame;
2. a high dry section; 21. a second tube bank;
3. a convection section; 31. a third tube bank; 311. a light pipe; 312. a finned tube;
4. a water-to-water heat exchanger;
5. a burner;
6. a blower;
7. a boiler operating panel;
8. a plunger pump;
9. a first transport vehicle; 91. and (7) supporting legs.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.
As shown in fig. 3 to 11, the present embodiment provides a mobile steam injection boiler, which includes a first module, a second module, a third module, a fourth module, and a fifth module.
Wherein, the first module includes boiler operation panel 7, combustor 5, air-blower 6, radiation section 1 and water-water heat exchanger 4, and the second module includes convection current section 3, and the third module includes plunger pump 8 and air compressor machine, and the fourth module includes distribution system, and the fifth module includes unloading equipment. The first module is installed on first transport vechicle 9, and convection current section 3 is installed in the afterbody top of radiation section 1, passes through corresponding pipe connection between first module, second module, third module, fourth module and the fifth module.
From this, the portable steam injection boiler in this embodiment divides into five modules according to each part's volume size, and is rationally distributed, has reduced the transportation size, convenient transportation. And after each module is moved to the working position of the newly developed thick oil block, the modules are connected through corresponding pipelines, so that the modules can be directly used without newly developing the thick oil block to construct a new steam injection boiler again. The steam injection system has the advantages that the steam injection requirements of the newly developed thickened oil block are met, the steam injection speed of the newly developed thickened oil block is greatly improved, the yield of thickened oil is increased, the reuse of the old block steam injection boiler is realized, the steam injection boiler is more flexible to use, the utilization rate of the steam injection boiler is greatly improved, and the investment is reduced. In addition, the transition section in the prior art is omitted in the embodiment, and the convection section 3 can be directly arranged above the tail part of the radiation section 1, so that the occupied area is smaller, and the transportation is more convenient.
In a particular implementation, to facilitate the transportation of the second to fifth modules, the second module can be mounted on a second transport vehicle, the third module can be mounted on a third transport vehicle, the fourth module can be mounted on a fourth transport vehicle, and the fifth module can be mounted on a fifth transport vehicle.
During installation, the components in the fixed steam injection boiler of the old block are disassembled according to the method, the boiler operation panel 7, the burner 5, the blower 6, the radiation section 1 and the water-water heat exchanger 4 in the first module are correspondingly connected in advance, and the modules are installed on transport vehicles. During the use, direct through each transport vechicle alright with the operating position of transporting each module to the new viscous crude block of developing, first module still establishes on first transport vechicle 9 and need not take off, then with second module, third module, fourth module and fifth module utilize the crane hoist and mount to subaerial, install convection current section 3 in the afterbody top of radiation section 1, again to through corresponding pipe connection between each module, alright direct use, realized removing and reuse the fixed steam injection boiler of old district. Through installing five modules respectively on five transport vechicles, just can remove to the assigned position through the transport effect of each transport vechicle, simple and convenient, especially for a steam injection boiler that rated evaporation capacity is 23t/h, this idle steam injection boiler of old district piece carries out on-vehicle portable transformation and only needs invest 226 ten thousand yuan, reducible investment cost 587 ten thousand yuan.
Further, in order to facilitate installation and fixation of the modules, the first module is installed on the first transport vehicle 9 through the first chassis, the second module is installed on the second transport vehicle through the second chassis, the third module is installed on the third transport vehicle through the third chassis, the fourth module is installed on the fourth transport vehicle through the fourth chassis, and the fifth module is installed on the fifth transport vehicle through the fifth chassis. The second chassis, the third chassis, the fourth chassis and the fifth chassis are detachably and fixedly connected with the second transport vehicle, the third transport vehicle, the fourth transport vehicle and the fifth transport vehicle respectively, and the second module is detachably and fixedly connected with the second chassis.
It will be appreciated that the boiler operating panel 7, the blower 6 and the casing of the radiant section 1 in the first module are fixed to the first chassis, and that the water-water heat exchanger 4 is typically located on the side of the radiant section 1, ensuring that the hauling is not ultra high, as compared to the prior art, where it is located on the upper part of the radiant section 1. For other supporting equipment (such as a flash tank, a drain pump, a water pump operating room and the like, and the specific structure is the prior art) besides the above list, the supporting equipment is also installed on a fifth transport vehicle as a part of a fifth module for transportation, each module and the chassis form a whole, after the supporting equipment is transported to a working position, the supporting equipment can be correspondingly taken off from the transport vehicle through a crane, and meanwhile, the second module and the second chassis can be detached, so that the convection section 3 can be conveniently installed above the tail part of the radiation section 1.
During practical use, select suitable transport vechicle according to the volume size of each module, preferably adopt first transport vechicle 9 to be the trailer in this embodiment, and second transport vechicle, third transport vechicle, fourth transport vechicle and fifth transport vechicle are the truck. In the embodiment, the overall size of the trailer is 18500 × 4000 × 4800m after the first module is mounted on the trailer, and after the trailer is transported to a specified position, the trailer head of the trailer can be separately driven away, the chassis of the trailer and the tires at the bottom of the chassis are kept stationary, and meanwhile, the support legs 91 are added to the bottom of the chassis to ensure that the first module is more stably supported on the bottom surface through the chassis. And each truck can be transported to a designated position and taken off, and then can be driven away, and the steam injection boiler can be reused when being moved again subsequently.
Further, because the steam temperature of steam outlet is the highest place of circulating water temperature, in order to prevent that steam temperature from causing the pipe explosion phenomenon to first tube bank 11 in radiation section 1, first module still includes the high dry section 2 of installing in the afterbody top of radiation section 1, and convection current section 3 is installed in the top of high dry section 2. A first pipe bundle 11 arranged in a snake-shaped reciprocating way is arranged in the radiation section 1, and a second pipe bundle 21 arranged in a snake-shaped reciprocating way is arranged in the high-stem section 2. The outlet end of the first tube bank 11 is connected to the inlet end of the second tube bank 21, and the outlet end of the second tube bank 21 serves as a steam outlet.
The first tube bundle 11 is formed by connecting a plurality of horizontal tube bundles and bent tubes in series, and the structures of the radiation section 1 and the first tube bundle 11 inside are the prior art. The casing of convection section 3 and high dry section 2 is the cuboid structure, and both communicate from top to bottom, and the whole overall dimension of casing of convection section 3 and high dry section 2 is 4312mm x 2373mm x 1400mm in this embodiment. Compare in prior art with the exit end of first tube bank 11 as the mode of steam outlet, move back the steam outlet in this embodiment for the circulating water still keeps liquid in the first tube bank 11 of radiation section 1, flows to become steam again in high dry section 2, because the flue gas temperature of high dry section 2 department is lower relatively, consequently can avoid the pipeline of steam outlet to take place to explode the pipe, uses safelyr.
In practical application, for convenience of processing and installation, the radiation section 1 comprises a horizontal cylindrical shell 12, a notch 121 is formed above the tail part of the shell 12, a mounting frame 122 is arranged at the notch 121, and the lower end of the high-stem section 2 is mounted on the mounting frame 122.
When original radiation section 1 in the fixed steam injection boiler of old district piece is reformed transform, as shown in fig. 5, still keep original horizontal drum structure, keep the size of the front end plate and the rear end plate of shell 12 unchanged (12500 mm long), then from the rear end plate to the preceding partial shell 12 of excision (i.e. the broken line frame part that shows in fig. 2), length dimension is about 4500mm long, the width is original convection section 3 width (about 2400mm), and reform transform original 56 horizontal tube bundles, maintain 34 horizontal tube bundles below radiation section 1 unchanged, carry out the interception with remaining 22 horizontal tube bundles, this partial horizontal tube bundle length becomes 6965mm after the interception. The cut-out in the housing 12 constitutes the above-mentioned cut-out 121, and the part of the radiation section 1 below the cut-out 121 acts as a transition passage for the transition section. The mounting frame 122 is constructed as shown in fig. 6, however, the mounting frame 122 may take other shapes to facilitate subsequent connection to the high stem section 2.
Furthermore, a third tube bundle 31 arranged in a snake-shaped reciprocating manner is arranged in the convection section 3, the water-water heat exchanger 4 comprises an inner tube and an outer tube sleeved outside the inner tube, the outlet end of the plunger pump 8 is connected with the water inlet end of the outer tube, the water outlet end of the outer tube is connected with the water inlet end of the third tube bundle 31, the water outlet end of the third tube bundle 31 is connected with the water inlet end of the inner tube, and the water outlet end of the inner tube is connected with the water inlet end of the first tube bundle 11.
The third tube bundle 31 comprises a light pipe 311 and a finned tube 312 arranged above the light pipe 311, wherein the water inlet end of the finned tube 312 is used as the water inlet end of the third tube bundle 31, the water outlet end of the finned tube 312 is connected with the water inlet end of the light pipe 311, and the water outlet end of the light pipe 311 is used as the water outlet end of the third tube bundle 31. The burner 5 is arranged at the head of the radiation section 1, and the burner 5 is connected with the blower 6.
When the high-dry-section-2 burner is used, the burner 5 can spray flame into the hearth inside the radiation section 1, the first tube bundle 11 in the hearth receives heat and then transfers the heat to circulating water in the first tube bundle 11, so that the water is evaporated to form water vapor, the water vapor enters the second tube bundle 21 of the high-dry-section 2 from the outlet end of the first tube bundle 11 and then is discharged into a thick oil layer underground from the outlet end of the high-dry-section 2. Meanwhile, when flame is sprayed into the hearth, high-temperature flue gas generated after fuel combustion can directly flow into the high-dry section 2 along the hearth of the radiation section 1 and then flow into the convection section 3, at the moment, the flue gas can exchange heat with boiler feed water in the third tube bundle 31, the boiler feed water temperature in the third tube bundle 31 rises, and the temperature of the flue gas is reduced along with the boiler feed water temperature. And then can make full use of the residual heat heating of flue gas and flow into the circulating water in the first tube bank 11 of radiation section 1, make the circulating water evaporation in the first tube bank 11 reduce to some extent for the heat that the steam needs, reduced the fuel consumption of combustor 5 greatly, improved the thermal efficiency of steam injection boiler.
The boiler feed water is pumped into the outer pipe of the water-water heat exchanger 4 through the plunger pump 8, meanwhile, the outlet end of the third pipe bundle 31 receives the boiler feed water with higher temperature after the flue gas heat exchange of the hearth, at the moment, the temperature difference between the inner pipe and the outer pipe is large, the temperature of the water in the inner pipe is reduced, the temperature of the water in the outer pipe is increased, the boiler feed water flowing into the convection section 3 can be heated through the sleeve-type heat exchange effect of the water-water heat exchanger 4, so that the temperature of the inlet water of the third pipe bundle 31 is increased and exceeds the dew point temperature of the flue gas, the condensation of the steam and the sulfur dioxide in the flue gas due to the low temperature of the inlet water is prevented, and the generated sulfuric acid causes the corrosion of the finned pipe 312 of the convection section 3. The water at the outlet end of the inner tubes will flow into the first tube bundle 11 of the radiant section 1.
The specific structures of the radiation section 1, the convection section 3, the water-water heat exchanger 4, the plunger pump 8, the burner 5 and the blower 6 and the connection therebetween are the prior art and will not be described in detail herein.
The boiler operation panel 7 is an automatic instrument, is a control system of the whole steam injection boiler, and has a specific structure in the prior art. The above-mentioned power distribution system is mainly used for supplying power to relevant components, and is electrically connected with the boiler operation panel 7, the burner 5, the blower 6, the plunger pump 8, the air compressor and the like, and the specific structure and connection are also the prior art. To foretell air compressor machine, not use under normal conditions, generally the winter temperature is lower, can use the air compressor machine when needing the steam in the pipeline to discharge, passes through pipeline and relevant pipe connection with the air compressor machine this moment, squeezes into the air in to the pipeline through the air compressor machine, alright with steam in the pipeline discharge, the concrete structure of air compressor machine also is prior art.
For the emptying equipment, the emptying equipment is arranged at a steam outlet of a boiler, the steam outlet is generally divided into two paths, one path of the steam is directly discharged into an oil layer, and the other path of the steam is used for emptying; before putting steam into a well, firstly opening the emptying pipeline, closing the pipeline discharged into an oil layer, emptying the steam, closing the emptying pipeline after the steam is qualified, opening the pipeline discharged into the oil layer, and discharging the qualified steam into the oil layer. After the boiler stops filling, in order to avoid the pressure building in the boiler, the emptying operation is also carried out. The specific structure for the venting device is also prior art.
Further, the present embodiment also provides a moving method of a steam injection boiler, including the following steps:
s1, taking the boiler operation panel 7, the burner 5, the blower 6, the radiation section 1 and the water-water heat exchanger 4 as first modules and installing the first module on a first transport vehicle 9, taking the convection section 3 as a second module and installing the second module on the second transport vehicle, taking the plunger pump 8 and the air compressor as third modules and installing the third module on the third transport vehicle, taking the power distribution system as a fourth module and installing the fourth transport vehicle, and taking the emptying equipment as a fifth module and installing the emptying equipment on the fifth transport vehicle;
s2, transporting the first module to a working position through the first transport vehicle 9, transporting the second module to the working position through the second transport vehicle, transporting the third module to the working position through the third transport vehicle, transporting the fourth module to the working position through the fourth transport vehicle, and transporting the fifth module to the working position through the fifth transport vehicle;
s3, hoisting the second module above the radiation section 1 through a crane, installing the second module above the tail part of the radiation section 1, and hoisting the third module, the fourth module and the fifth module to the ground through the crane respectively;
and S4, connecting the first module, the second module, the third module, the fourth module and the fifth module through corresponding pipelines to finish movement. The specific structure of the whole mobile steam boiler and the connection mode of the modules have been described above and will not be described herein.
In summary, in the mobile steam injection boiler and the moving method of the steam injection boiler in the embodiment, each component of the original fixed steam injection boiler in the old block is disassembled, the boiler operation panel 7, the burner 5, the blower 6, the radiation section 1 and the water-water heat exchanger 4 are unloaded after the disassembly, the mobile transportation is realized through the trailer, the convection section 3, the plunger pump 8, the power distribution system, the emptying device and the like are transported through the truck, the 23t/h skid-mounted fixed structure steam injection boiler in the prior art is disassembled and assembled, the steam injection position of the steam injection boiler is convenient to change, the movable movement and the reutilization of the 23t/h skid-mounted fixed structure steam injection boiler in the prior art are realized, the utilization rate is greatly improved, the investment requirement of a new block for newly increasing the steam injection boiler is met, and the investment is reduced.
The above are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the invention should fall within the protection scope of the invention.
Claims (10)
1. A movable steam injection boiler is characterized by comprising a first module, a second module, a third module, a fourth module and a fifth module;
the first module comprises a boiler operating panel, a burner, a blower, a radiation section and a water-water heat exchanger, the second module comprises a convection section, the third module comprises a plunger pump and an air compressor, the fourth module comprises a power distribution system, and the fifth module comprises a emptying device; the first module is installed on a first transport vehicle, the convection section is installed above the tail part of the radiation section, and the first module, the second module, the third module, the fourth module and the fifth module are connected through corresponding pipelines.
2. Mobile steam injection boiler according to claim 1,
the second module can be installed on a second transport vehicle, the third module can be installed on a third transport vehicle, the fourth module can be installed on a fourth transport vehicle, and the fifth module can be installed on a fifth transport vehicle.
3. A mobile steam injection boiler according to claim 2,
the first module is mounted on the first transport vehicle through a first chassis, the second module is mounted on the second transport vehicle through a second chassis, the third module is mounted on the third transport vehicle through a third chassis, the fourth module is mounted on the fourth transport vehicle through a fourth chassis, and the fifth module is mounted on the fifth transport vehicle through a fifth chassis;
the second chassis, the third chassis, the fourth chassis and the fifth chassis are fixedly connected with the second transport vehicle, the third transport vehicle, the fourth transport vehicle and the fifth transport vehicle in a detachable mode respectively, and the second module is fixedly connected with the second chassis in a detachable mode.
4. A mobile steam injection boiler according to claim 2,
the first transport vehicle is a trailer, and the second transport vehicle, the third transport vehicle, the fourth transport vehicle and the fifth transport vehicle are trucks.
5. Mobile steam injection boiler according to claim 1,
the first module further comprises a high-dry section mounted above the tail of the radiant section, and the convection section is mounted above the high-dry section; a first pipe bundle arranged in a snake-shaped reciprocating manner is arranged in the radiation section, and a second pipe bundle arranged in a snake-shaped reciprocating manner is arranged in the high-stem section; the outlet end of the first tube bank is connected with the inlet end of the second tube bank, and the outlet end of the second tube bank is used as a steam outlet.
6. A mobile steam injection boiler according to claim 5,
the radiation section comprises a shell of a horizontal cylinder, a notch is formed in the upper portion of the tail of the shell, an installation frame is arranged at the notch, and the lower end of the high-dry section is installed on the installation frame.
7. A mobile steam injection boiler according to claim 5,
the convection section is internally provided with a third tube bank in a snake-shaped reciprocating arrangement, the water-water heat exchanger is arranged on the side surface of the radiation section and comprises an inner tube and an outer tube sleeved outside the inner tube, the outlet end of the plunger pump is connected with the water inlet end of the outer tube, the water outlet end of the outer tube is connected with the water inlet end of the third tube bank, the water outlet end of the third tube bank is connected with the water inlet end of the inner tube, and the water outlet end of the inner tube is connected with the water inlet end of the first tube bank.
8. A mobile steam injection boiler according to claim 7,
the third tube bundle comprises a light pipe and a finned tube arranged above the light pipe, the water inlet end of the finned tube is used as the water inlet end of the third tube bundle, the water outlet end of the finned tube is connected with the water inlet end of the light pipe, and the water outlet end of the light pipe is used as the water outlet end of the third tube bundle.
9. A mobile steam injection boiler according to claim 5,
the combustor is arranged at the head of the radiation section and is connected with the air blower.
10. A moving method of a mobile steam injection boiler is characterized by comprising the following steps:
s1, taking a boiler operation panel, a burner, a blower, a radiation section and a water-water heat exchanger as a first module and installing the first module on a first transport vehicle, taking a convection section as a second module and installing the second module on a second transport vehicle, taking a plunger pump and an air compressor as a third module and installing the third module on a third transport vehicle, taking a power distribution system as a fourth module and installing the fourth transport vehicle, and taking emptying equipment as a fifth module and installing the fifth transport vehicle;
s2, transporting the first module to a working position by the first transport vehicle, the second module to a working position by the second transport vehicle, the third module to a working position by the third transport vehicle, the fourth module to a working position by the fourth transport vehicle, and the fifth module to a working position by the fifth transport vehicle;
s3, hoisting the second module above the radiation section through a crane, installing the second module above the tail part of the radiation section, and hoisting the third module, the fourth module and the fifth module to the ground through the crane respectively;
and S4, connecting the first module, the second module, the third module, the fourth module and the fifth module through corresponding pipelines to finish movement.
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| CN202011048214.8A CN114321868A (en) | 2020-09-29 | 2020-09-29 | Movable steam injection boiler and moving method thereof |
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