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Thick oil exploiting coal firiag steam boiler

A steam injection boiler and coal-fired technology, which is applied to steam boilers, barrel-type steam boilers, and mining fluids, can solve problems such as inability to adapt to coal-fired working conditions and work requirements, irregular shapes, etc., and reduce heavy oil production. Cost, safe and reliable work, reasonable design effect

Inactive Publication Date: 2007-01-03
LIAOHE GASOLINEEUM EXPLORATION BUREAU
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AI Technical Summary

Problems solved by technology

However, crude oil is a liquid that is easy to flow and transport, while coal is a solid that is irregular in shape and difficult to transport. Requirements, in order to realize the transition from oil to coal, a fundamental structural transformation is required

Method used

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  • Thick oil exploiting coal firiag steam boiler
  • Thick oil exploiting coal firiag steam boiler

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Embodiment Construction

[0015] The present invention is provided by the following embodiments, and the present invention will be further described below in conjunction with the accompanying drawings.

[0016] As shown in the figure, the present invention is composed of a boiler body 1, a water vapor system 2, a fuel system 3, a combustion system 4, a flue gas system 5, an ash system 6, a control system 7 and a power-off protection system 8, and its process flow connection relationship As follows: the water supply line and the steam transmission line of the steam system 2 are respectively connected to the water inlet and the steam outlet of the boiler body 1; the fuel system 3 supplies coal to the combustion system 4 by the layered coal feeder placed in front of the boiler body 1; The combustion system 4 is supplied to the upper, middle and lower layers of the boiler body 1 by the layered coal feeder according to the coal particle size, and is burned in the high and low temperature combustion chambers ...

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Abstract

A thickened oil recovery coal-fired steam injection boiler mainly consists of a boiler body, a water-steam system, a fuel system, a combustion system, a smoke wind system, an ash system, a control system and a power-off protection system. The hydraulic supply line and the steam pipeline of the water-steam system are separately connected with the water inlet and the steam outlet of the boiler body. The fuel system is used for feeding the coal into the combustion system via a layer coal feeder. The combustion system feeds the coal fed by the fuel system into upper, middle and lower decks grates in the coal particles, and then burns in the high and low temp. combustion chambers in the hearth. The ash and the smoke wind system are in communication with the slagging mouth and the flue of the boiler hearth separately. The control and the power-off protection systems are connected with the boiler body.

Description

Technical field: [0001] The invention relates to a steam production and supply device for steam injection exploitation in heavy oil fields, which belongs to the category of heavy oil thermal recovery equipment. Background technique: [0002] Steam injection thermal extraction is the main method for heavy oil field development and heavy oil well production. This heavy oil extraction method needs to be equipped with steam injection boilers or steam generators to produce and supply a large amount of wet saturated steam. At present, the steam injection boilers used on site usually use crude oil as fuel, so a large amount of crude oil is consumed while producing and supplying heat with steam, which is not only "overkill", but also makes it difficult to reduce production costs. Especially in recent years when the world oil energy crisis has become increasingly severe and oil prices have risen rapidly and sharply, it is imperative to save oil and find alternative fuels. Due to its...

Claims

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Application Information

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IPC IPC(8): F22B5/00E21B43/24
Inventor 李威吴永宁潘耀庆李晓慧孙经东杨明李享成纪宏博
Owner LIAOHE GASOLINEEUM EXPLORATION BUREAU
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