Practical, simple and reliable grid-connected power generation unit utilizing small-size oilfield associated gas

A technology for generating sets and gas engines, which is applied in engine control, machine/engine, single-network parallel feed arrangement, etc., and can solve problems such as unstable output, limited output, and polluted air.

Active Publication Date: 2012-07-11
陕西中唐电力能源科技有限公司
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Problems solved by technology

[0003] The purpose of the present invention is to simplify the structure of small associated gas grid-connected power generation equipment, reduce the cost of small associated gas grid-connected power generation equipment, and enable small associated gas grid-connected power generation equipment to use independent associated gas with limited output and extremely unstable output Source grid-connected power generation can generate economic benefits and create feasible conditions for solving the problem of air pollution caused by a large number of associated gas sources that do not have the collection conditions

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  • Practical, simple and reliable grid-connected power generation unit utilizing small-size oilfield associated gas

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Embodiment Construction

[0007] See attached figure 1 , the present invention is made up of gas engine 14, motor 9, automatic grid connection mechanism and intermittent operation automatic control mechanism; The fuel mixing device of gas engine 14 is made up of vacuum degree mixer (patent number 200510054632.7), balancer (patent number 200610077522.7), This mixing device can make the gas engine work normally when the gas input pressure is lower than the atmospheric pressure; the motor 9 is a squirrel-cage three-phase induction asynchronous motor, which has a simple and reliable structure and low cost; the automatic grid connection mechanism is composed of: Speed ​​governor 25, one-way pulley 13, speed control relay 11, grid-connected operation control relay 3, delay circuit 7, AC contactor 1; intermittent operation automatic control mechanism consists of air storage bag, semi-gas input pressure detector 15 The gas engine 14 is linked with the motor 9 through the one-way pulley 13, the output end of th...

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Abstract

A practical, simple and reliable grid-connected power generation unit utilizing small-size oilfield associated gas has functions of automatic grid connection and automatic intermittent operation, is simple in structure, reliable and low in manufacturing cost, and is adaptable to independent oilfield associated gas sources insufficient and instable in output.

Description

Background technique [0001] The associated gas in oilfields is of good quality, large in volume, and scattered in sources. It is economically unreasonable to collect and utilize a large number of associated gas sources. At present, this part of associated gas sources is still empty and pollutes the air; It is more economically feasible to use the associated gas sources with collection conditions to turn them into electricity on the spot to transmit electric energy to the grid. The energy is extremely unstable and can only be used by small-scale gas-fired power generation equipment. However, the existing small-scale gas-fired power generation equipment dedicated to this type of associated gas source is too complicated in structure, and the cost of construction and operation and maintenance is too high, so it cannot be generated under the condition of limited power generation Economic benefits, do not have the conditions for a large number of popularization and application, and ...

Claims

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Application Information

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IPC IPC(8): F02B63/04F02D29/06H02J3/38
Inventor蒙国宁
Owner陕西中唐电力能源科技有限公司