CN203321680U - Gas turbine direct-dragging type water injection pump system - Google Patents
Gas turbine direct-dragging type water injection pump system Download PDFInfo
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- CN203321680U CN203321680U CN2013202459022U CN201320245902U CN203321680U CN 203321680 U CN203321680 U CN 203321680U CN 2013202459022 U CN2013202459022 U CN 2013202459022U CN 201320245902 U CN201320245902 U CN 201320245902U CN 203321680 U CN203321680 U CN 203321680U
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Abstract
The utility model discloses a gas turbine direct-dragging type water injection pump system. The gas turbine direct-dragging type water injection pump system comprises a gas turbine, a speed regulator, a water injection pump and a water injection net, wherein the gas turbine comprises a natural gas input port, an air input port and a gas output port; the output shaft of the gas turbine is connected with the input shaft of the speed regulator; the output shaft of the speed regulator is connected with the input shaft of the water injection pump; a water inlet is formed in one side of the water injection pump; the output of the water injection pump is connected with the water injection net; the gas output port is connected with an input port of a waste heat boiler; an output port of the waste heat boiler is connected with an input port of a heater for a production process. The energy consumption of a water injection system of an oil field can be reduced, the comprehensive utilization efficiency of energy is improved, the gradient utilization of the energy is realized, and the environmental protection effect is good.
Description
Technical field
The utility model relates to the NG Distributed Energy System technical field of energy-saving and emission-reduction, relates in particular to a kind of gas turbine and directly drags the water injection pump system.
Background technique
World energy sources resource growing tension, become the bottleneck that restricts economic development.The fast development of World Economics is that to pay huge resources and environment be cost, and resources and energy consumption is high, environmental pollution is serious, and greenhouse gas emission causes global warming, affect human society harmonious development and progress.Energy-saving and emission-reduction are important breakthrough mouths that China adjusted economic structure, realized Economic Growth Mode Transformation, are the strategic measures of complying with megatrend.Enterprise is the main body of maximum energy consumption and disposal of pollutants, is the main force that realizes target for energy-saving and emission-reduction, bears important social responsibility.In every technology of energy-saving and emission-reduction, cold-hot electirc linking is important power-saving technology, and distributed energy is important developing direction.
Distributed energy resource system is a kind of user side Integrated Energy system of efficient, energy-saving and environmental protection, the cool and thermal power system can be arranged near the user with small-scale, small capacity, modularization, distributed mode, exports independently hot and cold, electric energy.The distributed energy technology is the important development direction of future world energy technology, is to realize energy for science, solves the important technology approach of China's energy and environment problem.Distributed energy resource system is a kind of according to the engineering thermodynamics principle, and by the criterion of " temperature counterpart, thermal energy step comprehensive utilization ", in the middle of reducing, the loss of conveying process, realize the maximization to the utilization of resources as far as possible.High-grade heat energy is used for generating electricity, the heat energy of middle grade is used for the heat energy of refrigeration (heat), inferior grade and is used to provide the domestic hot-water, low-grade heat energy is used for as the outdoor pool heating, provide omnibearing science and effective energy solution from hot and cold, three aspects of electricity, having realized " power plant's miniaturization ", " electrical network is without networking " function, is brand-new Regional Energy energy-saving application pattern.Rock gas is clean energy resource, the feature of environmental protection is good, utilizing in the world at present the rock gas one preferred technique is distributed energy resource system, the NG Distributed Energy System principle as shown in Figure 1, the high-temperature fuel gas more than 1000 ℃ first combustion of natural gas produced is in order to drive gas turbine 1 to drive generator 2 generatings, the exhaust that recycles 300-500 ℃ is carried out heat integration by exhaust heat boiler 3, and waste gas is discharged from chimney 4, thereby realizes the comprehensive cascade utilization of energy.The cascade utilization of physical energy consider conversion process of energy on the height of system in, energy by the different grades of reasonable arrangement and form, the overall physical energy that reasonably utilizes different grades, its key problem is the comprehensive cascade utilization of energy, press the height of energy grade, " the high use of high energy, low energy is low to be used ", carry out cascade utilization, improve efficiency and total heat utilization efficiency of gas turbine.
The NG Distributed Energy System main feature is: (1) efficiency of energy utilization is high, and the current efficiency of energy utilization of China is only 33.4%, and developed country is up to 52%～55%.Large-scale coal-fired ultra supercritical power generation generatine set heat efficiency is the highest is no more than 45%, and the Gas Turbine Combined-cycle thermal efficiency is no more than 57%, and Distribution of Natural formula energy source station efficiency of energy utilization is generally 60%～80%, and the highest approaches 90%; (2) energy-conservation, distributed energy resource system is used for heat supply or refrigeration by the used heat produced in power generation process, takes full advantage of primary energy; (3) environmental protection, adopt rock gas as the energy, and the fire emission environmental pollution is little, China SO
290% of discharge amount, NO
x60% of discharge amount all comes from fire coal, distributed energy resource system SO
2Almost nil with solid waste discharge, greenhouse gases (CO
2) reduce on 50% NO
xReduce 80%, become the direction of energy source in China technical development; (4) invest littlely, loss is low, and operating cost is low, peak load shifting; (5) Security is good, good in economic efficiency.
The severe situation of global warming impels countries in the world actively to seek to reduce the various approach of greenhouse gas emission.The research and development of the U.S., Japan, EU countries's distributed energy is very swift and violent, and the ratio in energy system improves constantly, and to energy industry, brings revolutionary variation.China's distributed energy is at the early-stage.During " 12 ", China will start a collection of Distribution of Natural formula energy demonstrative project, build 1000 left and right Distribution of Natural formula energy projects, and plan to build the distributed energy demonstration area of establishing 10 all kinds of characteristic features in left and right.
In China oil production and refinery process, the inflammable gass such as a large amount of associated gas, dry gas are arranged, its main component is the gases such as methane, and calorific value is high, and the combustion pollution discharge is little.Heat for field produces, be to obtain by the direct gas-firing of oven, and, there be the process of consumption of high product energy for low product energy in the cascade utilization that it does not realize energy, and just there is more significant wasting phenomena in the process of utilizing of this energy.Unnecessary inflammable gas generally adopts the emptying burning to process, and both wastes energy, again befouling environment.The China's oil production industry, oil field needs water filling, and power consumption is high.Oil field flood pattern is the power consumption rich and influential family in oil field, accounts for 40% of oil field total power consumption, takes up an area 64% of face engineering total power consumption.Field produces consumption gas (rock gas) mainly concentrates on petroleum transferring station and the dehydrating plant of ground surface works oil-gas gathering and transportation system, and the rock gas that adds heat loss is that oil field is from more than 80% of gas consumption.For example, China's Daqing oil field flood pattern adopts electronic water injection pump mostly, and electric quantity consumption is large, and the power of motor is generally 1800～2500kW, average every notes 1m
3Water power consumption 6kWh.According to statistics, the electric weight of flood pattern consumption accounts for 39.95% of whole oil field consumes power, accounts for 63.3% of ground surface works total power consumption.Electric energy is the one-level energy, and it must be produced by the high product energy, namely by the working medium of hot environment, produce, and the efficiency that heat energy is converted into electric energy only has 30% left and right.
The model utility content
The technical problem that the utility model solves is to provide a kind of gas turbine directly to drag the water injection pump system, solves energy efficiency and environmental issue.
The utility model discloses a kind of gas turbine and directly drag the water injection pump system, comprise gas turbine, speed regulator, water injection pump and water filling net, described gas turbine comprises rock gas and air-in, gas turbine output shaft is connected with the speed regulator input shaft, the output shaft of speed regulator is connected with the input shaft of water injection pump, water injection pump one side has water intake, and water injection pump output connects the water filling net.
Further, as preferably, at the gas turbine gas inlet, suction booster is installed.
Further, as preferably, gas turbine also comprises a combustion gas delivery outlet, and the combustion gas delivery outlet is connected with the exhaust heat boiler inlet opening, and the exhaust heat boiler delivery outlet is connected with hot device inlet opening with production technology.
Further, as preferably, described production technology is stabilization of crude oil with hot device or oil gas hot device or natural gas processing Process heat device for dehydration for hot device or oil gas water mixing with hot device.
The utility model is compared had following beneficial effect with prior art: in conjunction with oil field energy consumption situation, carry out the gas turbine instead of electric motor and directly drag the water injection pump water filling, energy-saving and environmental protection are arranged and prevent the effectiveness of energy waste, effectively utilize the rock gas of emptying to realize the conversion on the spot of the energy, avoided the conversion of energy various ways and utilization ratio that transmission causes to descend, can reduce the energy consumption of oil field flood pattern, environmental protection effect is outstanding.
The accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by the detailed description with reference to following, can more completely understand better the utility model and easily learn wherein many advantages of following, accompanying drawing described herein is used to provide further understanding of the present utility model, form a part of the present utility model, schematic description and description of the present utility model, for explaining the utility model, does not form to improper restriction of the present utility model, wherein:
Fig. 1 distributed energy resource system working principle schematic diagram;
Fig. 2 gas turbine directly drags water injection pump distributed energy resource system schematic diagram.
Embodiment
Referring to Fig. 1-2, embodiment of the present utility model is described.
For above-mentioned purpose, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 2, gas turbine 1 of the present utility model drags water injection pump 8 as dynamic host, to utilize gas turbine 1 gas-firing acting instead of electr ic motor directly to drive water injection pump 8, realize that oil field flood pattern normally produces, the high-temperature tail gas waste heat is used to the defeated and treatment process process heating of oilfield collection.By the hot coupling of merit, improved system effectiveness, both can save a large amount of water filling power consumptions, can save again the technique heating plant and add hear rate gas, but the energy consumption of decrease water injecting consumption and corollary system has effects of energy saving and emission reduction preferably.
If 1 of distributed energy gas turbine is used for generating, its thermal efficiency only has 30% left and right, and if its generating is used for driving water injection pump 8, to be transformed into electric energy through mechanical energy so, electric energy is transformed into mechanical energy again, has the conversion process of energy loss.If gas turbine 1 rotary blade only is used for driving water injection pump 8, its capacity usage ratio is a little more than 30%.For field produces, if by the tow taste heat of gas turbine 1 exhaust for the production of, energy utilization rate can reach 80%.Visible, distributed energy improves the using energy source level and the most important thing is that the high-quality energy is for generating or output shaft work, and the low-quality energy is for heating or domestic water.And the flood pattern of field produces needs mechanical work, need again the comprehensive utilization of heat energy, thereby improve the utilization ratio of the energy.
A kind of gas turbine of the present utility model directly drags the water injection pump system, at first gas turbine 1 drags running by starter motor, after natural gas via suction booster 5 superchargings after purifying and pressure stabilizing with the supercharging of unit inner compressor after air in the firing chamber mixed firing, burn, produce the combustion gas of high temperature, high pressure, drive the turbine acting, by speed regulator 7 speed governing, drag water injection pump 8 to 9 water fillings of water filling net, the tail gas of getting rid of enters exhaust heat boiler 10, and heat leads to hot device 11 for production technology, for field produces.Drag and compare with motor, its advantage is saving power, and has reduced the energy loss that the network loss, loss on transmission, distribution damage, motor idle work of thermal power plant-transformation-electrical network-distribution-each link of motor are damaged.
Inflammable gas is after supercharging, enter gas-turbine combustion chamber and the air burning entered, generate high-temperature fuel gas, promote the impeller High Rotation Speed, change the combustion gas energy into rotating mechanical energy, through the revolution speed regulator, make the output shaft rotating speed meet water injection pump 8 revolution requirements, by entering the water supercharging of water injection pump 8, send into water filling net 9.
The middle temperature combustion gas of gas turbine 1 enters exhaust heat boiler 10, by heat exchange, working medium is heated, and for the production of using heat, exhaust heat boiler is discharged in cryopumping.
In NG Distributed Energy System, the major parameter of gas turbine is: output shaft power 1000-3000kw, rotating speed 3000-12000rpm, rock gas consumption 500-1500Nm3/h, extraction flow 10-30kg/s, delivery temperature 400-600 ℃.Water injection pump 8 major parameters are: water injection power 1500-3000kw, revolution 4000-6000rpm, water flow 200-400m3/h, lift 14-20MPa.Exhaust heat boiler 10 major parameters are: temperature of exhaust fume 120-160 ℃, quantity of heat given up 2000-6000kw.
Directly drag the water injection pump system for gas turbine of the present utility model, with certain gas turbine 1 output shaft power, directly drag water injection pump 8 water fillings, hot merit is higher than higher overall thermal efficiency, waste heat utilize degree higher, thermal loss is less.Because the waste heat of distributing-supplying-energy system all is used for direct heating, need to do not generated electricity for the production of steam, there is no cold source energy, thus can obtain higher thermoelectricity than and overall thermal efficiency.
The utility model, suppose gas turbine 1 generating efficiency 30%, and so, the utilization ratio of the high-quality energy of shaft work sent from power plant gas turbine 1 is:
η
Axle damages=η
The axle electricityη
Electrical networkη
Transformationη
Motor=0.76
η
The axle electricityGenerating efficiency for the gas turbine output shaft merit, be generally 0.9
η
Electrical networkFor electrical network efficiency, be generally 0.932
η
TransformationFor transformer efficiency, be generally 0.95
η
MotorFor motor efficiency, be generally 0.955
This explanation, if gas turbine 1, from power plant's generating, through several medium tache, arrives water injection pump 8 and drives water filling, total efficiency is 76%.Directly drive water filling with the gas turbine shaft work, its shaft work efficiency can be decided to be 100%.Therefore, gas turbine 1 directly drags water injection pump 8 water fillings, can save 24% of the high-quality energy, reaches same flood effectiveness.If a water injection pump consumes 2,000 ten thousand kilowatt hours in 1 year, need to be 2000/0.76=2631 100,000,000,000 o'clock from the electric weight of power plant's generating so, save power 6,310,000 kilowatt hours.
Adopt NG Distributed Energy System, the total utilization ratio of the energy can reach 80%, the gas turbine output shaft merit, and the efficiency that drags water injection pump is 30%, low grade heat energy utilization ratio 50% 20% energy loss has been arranged, thereby total efficiency of energy utilization is higher.
The rock gas associated gas that field produces produces, through pressurization system, reach 0.9MPa, send into gas turbine 1 firing chamber, with air by the press machine supercharging in firing chamber mixed combustion, the high-temperature high-pressure fuel gas impeller High Rotation Speed that burning produces, the high-temperature fuel gas energy is changed into to the mechanical energy of gas turbine 1 axle output, because the axle axle revolution of gas turbine 1 is high, need through speed regulator 7, gas turbine 1 and speed regulator 7, connection between water injection pump 8 adopts coupling, coupling between speed regulator 7 and water injection pump 8 is the straight pin coupling, coupling between gas turbine 1 and speed regulator 7 adopts special stacked coupling.By the approximately 10000rpm axle revolution of gas turbine 1, be reduced to the revolution that is applicable to water injection pump 8, thereby drive water injection pump 8 water fillings, hydraulic pressure is brought up to the 16MPa left and right and inject pipe network 9.A large amount of combustion gas that gas turbine 1 high temperature is discharged, 500 ℃ of left and right of temperature, flow 20kg/s left and right, high-temperature fuel gas enters exhaust heat boiler 10, and enters the cold medium of exhaust heat boiler 10 and carries out heat exchange, and the temperature of cold medium is raise, fuel gas temperature reduces, discharge exhaust heat boiler 10 when fuel gas temperature drops to 160 ℃ of left and right, the heat that the cold medium (water) of intensification carries, for field produces, is hot, dehydration heat, outer defeated by hot, stand a production companion heat, heating heat etc. for oil-gas gathering and transportation.By exhaust heat boiler 10 heat integrations, by potential temperature, quality step, effectively utilize, energy-efficient, accomplished comprehensive utilization of resources.
1) can improve the comprehensive utilization of energy rate, efficiency of energy utilization is brought up to more than 80%.
2) can suit measures to local conditions to carry out the unit configuration, realize the using energy source step.
3) can play the effect of peak load shifting to gas distributing system.
4) near user's heat, damage little.
5) low emission, little to atmosphere environment impact.
As mentioned above, embodiment of the present utility model is explained, but, as long as not breaking away from fact inventive point of the present utility model and effect can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, within such variation also all is included in protection domain of the present utility model.
Claims (4)
1. a gas turbine directly drags the water injection pump system, it is characterized in that, comprise gas turbine, speed regulator, water injection pump and water filling net, described gas turbine comprises rock gas and air-in, gas turbine output shaft is connected with the speed regulator input shaft, the output shaft of speed regulator is connected with the input shaft of water injection pump, and water injection pump one side has water intake, and water injection pump output connects the water filling net.
2. gas turbine directly drags the water injection pump system as claimed in claim 1, it is characterized in that, at the gas turbine gas inlet, suction booster is installed.
3. gas turbine directly drags the water injection pump system as claimed in claim 1, it is characterized in that, gas turbine also comprises a combustion gas delivery outlet, and the combustion gas delivery outlet is connected with the exhaust heat boiler inlet opening, and the exhaust heat boiler delivery outlet is connected with hot device inlet opening with production technology.
4. gas turbine directly drags the water injection pump system as claimed in claim 3, it is characterized in that, described production technology is hot device or natural gas processing Process heat device for stabilization of crude oil dewaters with hot device or oil gas with hot device or oil gas water mixing with hot device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202459022U CN203321680U (en) | 2013-05-09 | 2013-05-09 | Gas turbine direct-dragging type water injection pump system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202459022U CN203321680U (en) | 2013-05-09 | 2013-05-09 | Gas turbine direct-dragging type water injection pump system |
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| Publication Number | Publication Date |
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| CN203321680U true CN203321680U (en) | 2013-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013202459022U Expired - Fee Related CN203321680U (en) | 2013-05-09 | 2013-05-09 | Gas turbine direct-dragging type water injection pump system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107187371A (en) * | 2017-06-30 | 2017-09-22 | 上海和兰透平动力技术有限公司 | Long-range water supply and sewage wrecking truck |
-
2013
- 2013-05-09 CN CN2013202459022U patent/CN203321680U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107187371A (en) * | 2017-06-30 | 2017-09-22 | 上海和兰透平动力技术有限公司 | Long-range water supply and sewage wrecking truck |
| CN107187371B (en) * | 2017-06-30 | 2024-03-15 | 上海和兰透平动力技术有限公司 | Remote water supply and drainage emergency vehicle |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 |