CN208871584U - A kind of multi-functional uphole steam generator - Google Patents

Abstract

The utility model discloses a kind of multi-functional uphole steam generators, including uphole steam generator, the lower end of the uphole steam generator is provided with combustion furnace, the inner surface of the uphole steam generator lower end is provided with the first thermal wall, the outer surface of the uphole steam generator lower end is provided with the second thermal wall, vacuum chamber is connected between first thermal wall and the second thermal wall, the combustion furnace is fixed on the lower end of uphole steam generator by the first thermal wall, vacuum chamber and the second thermal wall；Combustion furnace uses the first thermal wall, vacuum chamber and the second thermal wall, it is thermally shielded the stabilization of furnace interior by the first thermal wall, vacuum chamber and the second thermal wall, reduce the wandering of burning in-furnace temperature, improve heating of the combustion furnace to boiling water pot, the loss for reducing the energy, reduces the usage amount of fuel, reduces the cost of oilfield exploitation, the lower end of boiling water pot increases the area that boiling water pot is contacted with heat source using tube bank simultaneously.

Description

A kind of multi-functional uphole steam generator

Technical field

The utility model belongs to uphole steam generator technical field, and in particular to a kind of multi-functional uphole steam generator.

Background technique

Injection boiler is also known as wet steam generator, is the dedicated steam injection equipment of oilfield exploitation viscous crude.It is to utilize to give birth to The high temperature and pressure moist steam of production injects oil well, and the crude oil in heated oil reservoir is to reduce the viscosity of viscous crude, to increase the stream of viscous crude Dynamic property, can be significantly increased the recovery ratio of viscous crude.It is continuously injected into a large amount of high-quality steam on the top of horizontal production well, So that forming vapor chamber in stratum, the edge of vapor chamber heats crude oil, while steam is condensed into water, flows into crude oil by gravity Horizontal production well, and produced by huge discharge.Vapor chamber constantly slowly extends, and constantly heats crude oil, to be formed continuous raw Production process, until vapor chamber expands to oil reservoir top circle and horizontal well control boundary.Existing uphole steam generator when in use, boils Kettle and heat source-contacting surface product are small, increase the time of water boiling, reduce the efficiency of oil field harvesting, at the same water proof filter plate in installation and After replacement, obturation effect is poor, be easy to cause between water vapour by water proof filter plate gap location be discharged the problem of, thus it is proposed that A kind of multi-functional uphole steam generator.

Utility model content

The purpose of this utility model is to provide a kind of multi-functional uphole steam generators, to solve in above-mentioned background technique When in use, boiling water pot and heat source-contacting surface product are small, increase the time of water boiling for the uphole steam generator of proposition, reduce oil field and adopt The efficiency of receipts, while water proof filter plate, after installation and replacement, obturation effect is poor, is easy to cause between water vapour by water proof filter plate The problem of gap location is discharged.

To achieve the above object, the utility model provides the following technical solutions: a kind of multi-functional uphole steam generator, packet Uphole steam generator is included, the lower end of the uphole steam generator is provided with combustion furnace, the interior table of the uphole steam generator lower end Face is provided with the first thermal wall, and the outer surface of the uphole steam generator lower end is provided with the second thermal wall, and described first is heat-insulated Vacuum chamber is connected between wall and the second thermal wall, the combustion furnace is heat-insulated by the first thermal wall, vacuum chamber and second Wall is fixed on the lower end of uphole steam generator, and the uphole steam generator, the first thermal wall and the second thermal wall are integral type knot Structure is provided with boiling water pot above the combustion furnace, and the boiling water pot is fixed by welding in the inner surface of uphole steam generator, The lower end of the boiling water pot is provided with tube bank.

Preferably, the boiling water pot and tube bank are an integral structure, and the tube bank is provided with seven root bars, the tube bank Seven root bars are equally spaced around in the lower surface of boiling water pot.

Preferably, the outer surface of the uphole steam generator is provided with water injection pipe, and oil field is run through in one end of the water injection pipe The upper end of the outer surface of injection boiler and the top for being embedded into boiling water pot, the uphole steam generator is provided with suction disk, described Suction disk is bolted on the upper end of uphole steam generator.

Preferably, the junction of the uphole steam generator and suction disk is provided with water proof strainer, the water proof strainer Upper surface is provided with the first sealing ring, and first sealing ring is embedded into the inside of suction disk, the side surface of the water proof strainer It is provided with the second sealing ring, second sealing ring is embedded into the inside of uphole steam generator upper end.

Preferably, the cross section of first sealing ring and the second sealing ring is ellipsoidal structure, first sealing The inside of ring and the second sealing ring is provided with buffer spring, is provided with air pump above the suction disk, and the two of the air pump End is provided with exhaust pipe, and one end of the air pump is connected by the upper end of exhaust pipe and suction disk.

Compared with prior art, the utility model has the beneficial effects that combustion furnace is using the first thermal wall, vacuum chamber and the Two thermal walls are thermally shielded the stabilization of furnace interior by the first thermal wall, vacuum chamber and the second thermal wall, reduce burning In-furnace temperature scatters, and improves heating of the combustion furnace to boiling water pot, reduces the loss of the energy, reduce the usage amount of fuel, reduces The cost of oilfield exploitation, while the lower end of boiling water pot increases the area that boiling water pot is contacted with heat source using tube bank, reduces water boiling Time, increase the generation of water vapour, water proof filter plate is sealed by the first sealing ring and the second sealing ring, increase water proof filter The airtightness of plate installation avoids increasing the mass dryness fraction of steam, simultaneously by the gap between suction disk and water proof filter plate between water vapour Buffer spring is used inside first sealing ring and the second sealing ring, improves the first sealing ring and the second sealing ring elastic deformation is strong Degree extends the first sealing ring and the second sealing ring service life.

Detailed description of the invention

Fig. 1 is the uphole steam generator structural schematic diagram of the utility model；

Fig. 2 is the boiling water pot bottom structural schematic diagram of the utility model；

Fig. 3 is the water proof screen mounting structure schematic diagram of the utility model；

Fig. 4 is the first seal ring structure schematic diagram of the utility model；

Fig. 5 is the second seal ring structure schematic diagram of the utility model；

Fig. 6 is the first sealing ring sectional view of the utility model；

In figure: 1, uphole steam generator；2, combustion furnace；3, the first thermal wall；4, vacuum chamber；5, the second thermal wall；6, it boils Kettle；7, it restrains；8, water injection pipe；9, suction disk；10, water proof strainer；11, the first sealing ring；12, the second sealing ring；13, it buffers Spring；14, air pump；15, exhaust pipe.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6 are please referred to, the utility model provides a kind of technical solution: a kind of multi-functional Uphole steam generator, including uphole steam generator 1, the lower end of uphole steam generator 1 be provided with combustion furnace 2, oil field gas injection pot The inner surface of 1 lower end of furnace is provided with the first thermal wall 3, and the outer surface of 1 lower end of uphole steam generator is provided with the second thermal wall 5, Vacuum chamber 4 is connected between first thermal wall 3 and the second thermal wall 5, combustion furnace 2 passes through the first thermal wall 3, vacuum chamber 4 The lower end of uphole steam generator 1, uphole steam generator 1, the first thermal wall 3 and the second thermal wall 5 are fixed on the second thermal wall 5 It is an integral structure, the top of combustion furnace 2 is provided with boiling water pot 6, and boiling water pot 6 is fixed by welding in uphole steam generator 1 Inner surface, the lower end of boiling water pot 6 are provided with tube bank 7.

In order to improve the surface area of 6 lower end of boiling water pot, the rate that boiling water pot 6 heats is improved, in the present embodiment, it is preferred that Boiling water pot 6 and tube bank 7 are an integral structure, and tube bank 7 is provided with seven root bars, are restrained 7 seven root bars and are equally spaced around and are boiling The lower surface of kettle 6.

In order to increase the mass dryness fraction of steam, in the present embodiment, it is preferred that the outer surface of uphole steam generator 1 is provided with water filling One end of pipe 8, water injection pipe 8 runs through the outer surface of uphole steam generator 1 and is embedded into the top of boiling water pot 6, uphole steam generator 1 Upper end be provided with suction disk 9, suction disk 9 is bolted on the upper end of uphole steam generator 1.

In order to improve the airtightness of the installation of water proof strainer 10, in the present embodiment, it is preferred that uphole steam generator 1 and air-breathing The junction of disk 9 is provided with water proof strainer 10, and the upper surface of water proof strainer 10 is provided with the first sealing ring 11, the first sealing ring 11 It is embedded into the inside of suction disk 9, the side surface of water proof strainer 10 is provided with the second sealing ring 12, and the second sealing ring 12 is embedded into oil The inside of 1 upper end of field injection boiler.

In order to improve the rate of discharge of steam, in the present embodiment, it is preferred that the first sealing ring 11 and the second sealing ring 12 Cross section is ellipsoidal structure, and the inside of the first sealing ring 11 and the second sealing ring 12 is provided with buffer spring 13, air-breathing The top of disk 9 is provided with air pump 14, and the both ends of air pump 14 are provided with exhaust pipe 15, one end of air pump 14 by exhaust pipe 15 with The upper end of suction disk 9 connects.

The working principle and process for using of the utility model: in use, being injected by water injection pipe 8 toward the inside of boiling water pot 6 The water of suitable volumes passes through crude oil in the inside of combustion furnace 2 at this time and lights, and the high temperature generated inside combustion furnace 2 at this time is to pipe The outer surface of beam 7 is heated, at the same the first thermal wall 3, vacuum chamber 4 and the second thermal wall 5 to the heat inside combustion furnace 2 into Row isolation, the water inside boiling water pot 6 generates a large amount of water vapour by boiling at this time, and starts exhaust pipe 15, at this time boiling water pot 6 The water vapour that top generates increases the pressure inside the upper end of uphole steam generator 1, while air pump 14 makes boiling water by suction The water vapour of 6 top of pot imports subsequent processing by water proof strainer 10 and by air pump 14, and water vapour is made by water proof strainer 10 Water in steam rests on the inside of uphole steam generator 1.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of multi-functional uphole steam generator, including uphole steam generator (1), it is characterised in that: the oil field gas injection pot The lower end of furnace (1) is provided with combustion furnace (2), and the inner surface of uphole steam generator (1) lower end is provided with the first thermal wall (3), the outer surface of uphole steam generator (1) lower end is provided with the second thermal wall (5), first thermal wall (3) and Be connected between two thermal walls (5) vacuum chamber (4), the combustion furnace (2) by the first thermal wall (3), vacuum chamber (4) and Second thermal wall (5) is fixed on the lower end of uphole steam generator (1), the uphole steam generator (1), the first thermal wall (3) and Second thermal wall (5) is an integral structure, and is provided with boiling water pot (6) above the combustion furnace (2), and the boiling water pot (6) is logical The inner surface for being weldingly fixed on uphole steam generator (1) is crossed, the lower end of the boiling water pot (6) is provided with tube bank (7).

2. a kind of multi-functional uphole steam generator according to claim 1, it is characterised in that: the boiling water pot (6) and Tube bank (7) is an integral structure, and the tube bank (7) is provided with seven root bars, and seven root bars of the tube bank (7) are equally spaced around In the lower surface of boiling water pot (6).

3. a kind of multi-functional uphole steam generator according to claim 2, it is characterised in that: the uphole steam generator (1) outer surface is provided with water injection pipe (8), and one end of the water injection pipe (8) is through the outer surface of uphole steam generator (1) and embedding Enter the top to boiling water pot (6), the upper end of the uphole steam generator (1) is provided with suction disk (9), and the suction disk (9) is logical Cross the upper end that bolt is fixed on uphole steam generator (1).

4. a kind of multi-functional uphole steam generator according to claim 3, it is characterised in that: the uphole steam generator (1) it is provided with water proof strainer (10) with the junction of suction disk (9), it is close that the upper surface of the water proof strainer (10) is provided with first Seal ring (11), first sealing ring (11) are embedded into the inside of suction disk (9), the side surface setting of the water proof strainer (10) Have the second sealing ring (12), second sealing ring (12) is embedded into the inside of uphole steam generator (1) upper end.

5. a kind of multi-functional uphole steam generator according to claim 4, it is characterised in that: first sealing ring (11) and the cross section of the second sealing ring (12) is ellipsoidal structure, first sealing ring (11) and the second sealing ring (12) Inside be provided with buffer spring (13), be provided with air pump (14) above the suction disk (9), the two of the air pump (14) End is provided with exhaust pipe (15), and one end of the air pump (14) is connect by exhaust pipe (15) with the upper end of suction disk (9).