CN203741026U - Natural gas pipeline chemical dosing device - Google Patents
Natural gas pipeline chemical dosing device Download PDFInfo
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- CN203741026U CN203741026U CN201320883347.6U CN201320883347U CN203741026U CN 203741026 U CN203741026 U CN 203741026U CN 201320883347 U CN201320883347 U CN 201320883347U CN 203741026 U CN203741026 U CN 203741026U
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Abstract
The utility model provides a natural gas pipeline chemical dosing device which comprises an energy conversion part, a first injection part and an electric control unit. The energy conversion part enables the pressure energy of natural gas in a natural gas pipeline to be converted into hydraulic energy and electric energy. The first injection part is communicated with the energy conversion part, and injects a first injection agent to the natural gas pipeline driven by the energy conversion part. The electric control unit is electrically connected with the energy conversion part and the first injection part and controls the injection amount of the first injection part. Through the natural gas pipeline chemical dosing device, chemicals can be injected to the pipeline and the medical injection amount can be precisely controlled without additionally adding power sources.
Description
Technical field
The utility model relates to natural gas extraction and carries accessory equipment, in particular to a kind of natural gas line chemicals dosing plant.
Background technology
In the gas production production process of natural fuels, some hostile environments and geologic condition can have influence on the normal gas production of natural fuels and produce.For example, when ambient temperature is lower, easily in gas line, occur that ice is stifled, cause pipeline gas transmission not smooth; When down-hole aquifer yield is excessive, natural fuels is subject to the compacting of hydraulic pressure, causes gas production rate to decline.In order to overcome these hostile environment factors, guarantee that natural fuels gas production is produced normal, need to be to annotate the methyl alcohol in natural gas line or to the foam discharging agent etc. of annotating in well.
The scheme of existing annotate the methyl alcohol or foam discharging agent has following several, the self-pressurizing high-pressure alchol-injection pump that patent " self-pressurizing high-pressure alchol-injection pump " (CN01108702.1) proposes, it mainly inhales alcohol valve by being provided with, the high-voltage plunger cylinder of note alcohol valve, pressurized cylinder and air inlet pipe is installed, the change-over valve of header of giving vent to anger forms, in-built reversing valve core and the guide's spool of being equipped with of change-over valve, utilize natural fuels self pressure energy in gas line, by the reversing valve core of air operated control and the back and forth alternately movement of guide's spool linking with pressurized cylinder piston, promote plunger rod iterative motion in high-voltage plunger cylinder, can alcohol liquid be injected in natural gas pipeline continuously, this device does not consume electric energy, heat energy and natural fuels.But in such filling process,, owing to lacking accurate control setup, the dosage of filling medicament is difficult to accurate control, more cannot automatically regulate chemical feeding quantity according to production, weather and geologic condition.
Gas gathering station adopts motor to drive measuring pump, by pipe special to well head gas piping annotate the methyl alcohol, referring to " gas field, large ox ground note alcohol process system is optimized " (< < natural fuels and oil > >, the 26th the 4th phase of volume, in August, 2008) this scheme need to be laid pipe special between the gas gathering station of erecting equipment and every implication well, cost is higher, and at present just for the antifreeze methyl alcohol of annotating.
The chemicals dosing plant of Beijing Poly-Doctor Petroleum Technology Co., Ltd. adopts solar powered, with electric energy type of drive, gas well and pipeline is carried out to annotate the methyl alcohol and foam discharging agent operation.This solar power or the wind power generation plant of needing, this device is non-Explosion-proof Design, be unsuitable for using in inflammable and explosive environment, and stolen phenomenon is more, cannot guarantee long-term safety operation.
Patent " the automatic bubble rod row device of a kind of well head Long-distance Control " (201220029034.X), this utility model discloses the automatic bubble rod row device of a kind of well head Long-distance Control, comprise device body and remote control module, the bottom of body is provided with throws in hole, in body, be provided with bubble rod row support, on bubble rod row support, be provided with bubble rod row mounting hole, bubble rod row mounting hole all can be corresponding with input hole, on bubble rod row support, be provided with rotating mechanism, rotating mechanism drives bubble rod row support to rotate in body; Remote control module is GSM or the CDMA mobile module of infrared remote controller or built-in aerial.This scheme adopts driven by power and control, and most of gas well does not possess good condition of power supply, therefore cannot widespread use.
Because all can not well guaranteeing the normal production of natural fuels, above-mentioned several schemes therefore need a kind of device can in the situation that additionally not adding propulsion source, accurately control additive amount of medicament.
Utility model content
The utility model aims to provide a kind of natural gas line chemicals dosing plant, to solve natural gas line chemicals dosing plant of the prior art, needs additionaling power to carry out dosing and the uncontrollable problem of dosing precision.
To achieve these goals, according to an aspect of the present utility model, a kind of natural gas line chemicals dosing plant is provided, and this natural gas line chemicals dosing plant comprises: transformation of energy portion, and transformation of energy portion is converted to hydraulic energy and electric energy by the pressure energy of the natural fuels in natural gas line; The first filling portion, the first filling portion is communicated with transformation of energy portion, under the driving of transformation of energy portion, to annotating in natural gas line, first adds injecting; ECU (Electrical Control Unit), ECU (Electrical Control Unit) is electrically connected to transformation of energy portion and the first filling portion is electrically connected to, and controls the adding amount of the first filling portion.
Further, natural gas line chemicals dosing plant also comprises dosing pipeline section, and dosing pipeline section is arranged in natural gas line as a part for natural gas line, and transformation of energy portion comprises: turbine, and turbine is arranged in dosing pipeline section; Hydraulic Pump, Hydraulic Pump is arranged in dosing pipeline section, and the output shaft of turbine is connected the rotation of driving Hydraulic Pump with Hydraulic Pump; HM Hydraulic Motor, HM Hydraulic Motor is arranged on outside dosing pipeline section, and Hydraulic Pump is connected by conduit under fluid pressure with HM Hydraulic Motor and drives HM Hydraulic Motor to rotate; Electrical generator, electrical generator is arranged on outside dosing pipeline section, and the output shaft of HM Hydraulic Motor is connected with electrical generator and drives electrical generator to rotate generating.
Further, natural gas line chemicals dosing plant also comprises dosing pipeline section, and dosing pipeline section is arranged in natural gas line as a part for natural gas line, and transformation of energy portion comprises: turbine, and turbine is arranged in dosing pipeline section; Hydraulic Pump, Hydraulic Pump is arranged on outside dosing pipeline section, and the output shaft of turbine is connected the rotation of driving Hydraulic Pump with Hydraulic Pump; Electrical generator, electrical generator is arranged on outside dosing pipeline section, and the output shaft of turbine is connected with electrical generator after passing chemical feed pipe piece housing, drives electrical generator generating.
Further, electrical generator is electrically connected to ECU (Electrical Control Unit), and is ECU (Electrical Control Unit) power supply, and ECU (Electrical Control Unit) comprises the first controller.
Further, natural gas line chemicals dosing plant also comprises dosing pipeline section, dosing pipeline section is arranged in natural gas line the part as natural gas line, ECU (Electrical Control Unit) comprises test section and the first controller, test section comprises: pressure sensor, the test side of pressure sensor is arranged in dosing pipeline section, and is connected with the first controller, by data transmission to the first controller detecting in dosing pipeline section; Flow sensor, the test side of flow sensor is arranged in dosing pipeline section, and is connected with the first controller, by data transmission to the first controller detecting in dosing pipeline section; Temperature sensor, the test side of temperature sensor is arranged in dosing pipeline section, and is connected with the first controller, by data transmission to the first controller detecting in dosing pipeline section.
Further, on dosing pipeline section, be provided with dosing mouth, the first filling portion adds injecting by dosing mouth by first and annotates to dosing pipeline section, pressure sensor is arranged on the downstream of dosing mouth, flow sensor and temperature sensor are all arranged on the downstream of pressure sensor, and transformation of energy portion is arranged on part in dosing pipeline section between flow sensor and pressure sensor.
Further, the first filling portion comprises: the first control cock, and the first control cock is electrically connected to the first controller, the valve position of control first control cock of the first controller; The first charging point, the first charging point is connected with Hydraulic Pump, crank motion under the driving of Hydraulic Pump, and the first control cock is connected between the first charging point and Hydraulic Pump, and control the direction of the hydraulic circuit between the first charging point and Hydraulic Pump, to control the first charging point crank motion; First adds injecting storage tank, and first adds injecting storage tank is communicated with the first charging point, and the first charging point adds and in injecting storage tank, draws first and add injecting and inject in natural gas line from first.
Further, the first filling portion also comprises the first level sensor, the first level sensor is arranged on first and adds in injecting storage tank and detect first and add the filling of first in injecting storage tank dosage, and the first level sensor is electrically connected to the first controller, and will detect data transmission to the first controller.
Further, natural gas line chemicals dosing plant also comprises accumulator, and the oil inlet of accumulator is connected in the hydraulic oil outlet and the pipeline between the first control cock of Hydraulic Pump, and the hydraulic oil entrance of Hydraulic Pump is connected with fuel tank.
Further, natural gas line chemicals dosing plant also comprises the second filling portion, and the second filling portion comprises: the second control cock, and the second control cock is electrically connected to the first controller, and the first controller is controlled the valve position of the second control cock; The second charging point, the second charging point is connected with Hydraulic Pump, crank motion under the driving of Hydraulic Pump, and the second control cock is connected between the second charging point and Hydraulic Pump, and control the direction of the hydraulic circuit between the second charging point and Hydraulic Pump, to control the second charging point crank motion; Second adds injecting storage tank, and second adds injecting storage tank is communicated with the second charging point, and the second charging point adds and in injecting storage tank, draws second and add injecting and inject in pipeline to be annotated from first; The second level sensor, the second level sensor is arranged on second and adds in injecting storage tank and detect second and add the filling of second in injecting storage tank dosage, and the second level sensor is electrically connected to the first controller, and will detect data transmission to the first controller.
Further, dosing pipeline section comprises sprue and branch flow passage, the first end of branch flow passage is connected to the arrival end place of sprue, the second end of branch flow passage is connected to the exit end place of sprue, and so that a part of natural fuels is shunted, turbine is arranged in sprue, and between the two ends of branch flow passage, on branch flow passage, be provided with the 3rd control cock, the 3rd control cock is electrically connected to the first controller, and the first controller is controlled the open amount of the 3rd control cock to control the flow of the natural fuels in branch flow passage.
Application the technical solution of the utility model, natural gas line chemicals dosing plant comprises transformation of energy portion, ECU (Electrical Control Unit) and the first filling portion.Transformation of energy portion is converted to hydraulic energy and electric energy by the pressure energy of the natural fuels in natural gas line.The first filling portion is communicated with transformation of energy portion, under the driving of transformation of energy portion, to annotating in natural gas line, first adds injecting.ECU (Electrical Control Unit) is electrically connected to transformation of energy portion, and from transformation of energy, portion obtains electric energy.ECU (Electrical Control Unit) and the first filling portion are electrically connected to and control the adding amount of the first filling portion.Energy is directly converted to hydraulic energy and electric energy by the pressure energy of natural fuels mobile in natural gas line itself by transformation of energy portion, without adding extra propulsion source, has saved the energy and has also saved the cost that propulsion source is laid and carried simultaneously; The electric energy that transformation of energy portion changes is ECU (Electrical Control Unit) power supply, can accurately control the adding amount of the first filling portion by ECU (Electrical Control Unit); The hydraulic energy that transformation of energy portion changes can provide energy into the first filling portion, makes the first filling portion without additional energy source in the situation that, realize filling.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the connection diagram of the natural gas line chemicals dosing plant of the first embodiment of the present utility model; And
Fig. 2 shows the connection diagram of the natural gas line chemicals dosing plant of the second embodiment of the present utility model.
Description of reference numerals: 21, turbine; 22, Hydraulic Pump; 23, HM Hydraulic Motor; 24, electrical generator; 25, by pass valve; 26, check valve; 31, the first controller; 32, pressure sensor; 33, flow sensor; 34, temperature sensor; 41, the first control cock; 42, the first charging point; 43, first adds injecting storage tank; 44, the first level sensor; 51, accumulator; 52, fuel tank; 61, the second control cock; 62, the second charging point; 63, second adds injecting storage tank; 64, the second level sensor; 71, sprue; 72, branch flow passage; 81, the 3rd control cock.
The specific embodiment
Hereinafter with reference to accompanying drawing, also describe the utility model in detail in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.
As shown in Figure 1, according to the first embodiment of the present utility model, natural gas line chemicals dosing plant comprises transformation of energy portion, ECU (Electrical Control Unit) and the first filling portion.Transformation of energy portion is converted to hydraulic energy and electric energy by the pressure energy of the natural fuels in natural gas line.The first filling portion is communicated with transformation of energy portion, under the driving of transformation of energy portion, to annotating in natural gas line, first adds injecting.ECU (Electrical Control Unit) is electrically connected to transformation of energy portion, and from transformation of energy, portion obtains electric energy.ECU (Electrical Control Unit) and the first filling portion are electrically connected to and control the adding amount of the first filling portion.By transformation of energy portion, directly the pressure energy of natural fuels mobile in natural gas line itself is converted to hydraulic energy and electric energy, without adding extra propulsion source, has saved the energy and also saved the cost that propulsion source is laid and carried simultaneously; The electric energy that transformation of energy portion changes is ECU (Electrical Control Unit) power supply, can accurately control the adding amount of the first filling portion by ECU (Electrical Control Unit); The hydraulic energy that transformation of energy portion changes can provide energy into the first filling portion, makes the first filling portion without additional energy source in the situation that, realize filling.
In the present embodiment, natural gas line chemicals dosing plant also comprises dosing pipeline section, and dosing pipeline section is arranged in natural gas line as a part for natural gas line, and natural gas flow is through this dosing pipeline section.In original natural gas line, add dosing pipeline section, and other parts of natural gas line chemicals dosing plant are arranged on dosing pipeline section, by dosing in dosing pipeline section, realize the object to dosing in natural gas line, without natural gas line being done to extra transformation, provide cost savings.
Dosing pipeline section comprises sprue 71 and branch flow passage 72, and the first end of branch flow passage 72 is connected to the arrival end place of sprue 71, and the second end of branch flow passage 72 is connected to the exit end place of sprue 71, so that a part of natural fuels is shunted.
Transformation of energy portion comprises turbine 21, Hydraulic Pump 22, HM Hydraulic Motor 23 and electrical generator 24.
Wherein, turbine 21 is arranged in the sprue 71 of dosing pipeline section, and between the two ends of branch flow passage 72, utilizes natural fuels mobile in dosing pipeline section to promote turbine 21 rotations, the pressure energy of natural fuels is converted to the mechanical energy of rotation.Preferably, turbine 21 is turbine turbine.Can select as required the turbine of other kind in other embodiments, as long as the pressure energy of natural fuels can be converted to mechanical energy.
Hydraulic Pump 22 is arranged in dosing pipeline section, and the output shaft of turbine 21 is connected with Hydraulic Pump 22 and drives Hydraulic Pump 22 to rotate, and turbine 21 rotarily drives Hydraulic Pump 22 rotations, and mechanical energy is converted to hydraulic energy.HM Hydraulic Motor 23 is arranged on outside dosing pipeline section, Hydraulic Pump 22 is connected by conduit under fluid pressure with HM Hydraulic Motor 23 and drives HM Hydraulic Motor 23 to rotate, the hydraulic oil outlet of Hydraulic Pump 22 is connected to HM Hydraulic Motor 23 by hydraulic oil pipe, high pressure liquid force feed drives HM Hydraulic Motor 23 to rotate, and hydraulic energy is converted to mechanical energy.On the tube wall of dosing pipeline section, be provided with the first through hole passing for hydraulic oil pipe, this first through hole is filled with leakproofing material, to avoid natural gas leaking.
Electrical generator 24 is arranged on outside dosing pipeline section, and the output shaft of HM Hydraulic Motor 23 is connected with electrical generator 24 and drives electrical generator 24 to rotate to generate electricity, and HM Hydraulic Motor 23 rotarily drives electrical generator 24 rotations, makes electrical generator 24 generatings, and mechanical energy is converted to electric energy.In conversion process of energy, the pressure energy of the natural fuels in natural gas line of take is propulsion source, is converted into hydraulic energy and electric energy and supplies with corresponding parts, has finally guaranteed that natural gas line chemicals dosing plant can normally work.
ECU (Electrical Control Unit) is accurately controlled adding amount, can guarantee that natural gas line normally works, and can avoid again medicament waste to save cost.Electrical generator 24 is electrically connected to ECU (Electrical Control Unit), and is ECU (Electrical Control Unit) power supply.ECU (Electrical Control Unit) comprises the first controller 31 and test section.Test section comprises pressure sensor 32, flow sensor 33 and temperature sensor 34.
Test section is for detection of the parameters in natural gas line, and will detect in data transmission to the first controller 31.The first controller 31 calculates whether need filling and adding amount according to every detection data, to realize the accurate control to adding amount in natural gas line.
Wherein, the test side of pressure sensor 32 is arranged in the sprue 71 of dosing pipeline section, and to detect the pressure in sprue 71, pressure sensor 32 is connected with the first controller 31, by data transmission to the first controller 31 detecting in dosing pipeline section.The test side of flow sensor 33 arranges in the sprue 71 of dosing pipeline section, and to detect the gas discharge in sprue 71, flow sensor 33 is connected with the first controller 31, by data transmission to the first controller 31 detecting in dosing pipeline section.The test side of temperature sensor 34 is arranged in the sprue 71 of dosing pipeline section, and to detect the temperature in sprue 71, temperature sensor 34 is connected with the first controller 31, by data transmission to the first controller 31 detecting in dosing pipeline section.By these, detect data, the first controller 31 can calculate in natural gas line, whether to need the medicament of annotating, and adding amount, realizes the accurate control to adding amount.
On dosing pipeline section, be provided with dosing mouth, the first filling portion adds injecting by dosing mouth by first and annotates to dosing pipeline section, pressure sensor 32 is arranged on the downstream of dosing mouth, flow sensor 33 and temperature sensor 34 are all arranged on the downstream of pressure sensor 32, and the relative position between temperature sensor 34 and flow sensor 33 can arrange according to specific needs.Transformation of energy portion is arranged on part in dosing pipeline section between flow sensor 33 and pressure sensor 32.Downstream refers to the downstream in natural gas flow direction.Whether pressure sensor 32, flow sensor 33 and temperature sensor 34 can detect the medicament of filling after filling medicament so effective, and by this result feedback to the first controller 31, to guarantee the effect of annotating
The first filling portion comprises that the first control cock 41, the first charging point 42, first add injecting storage tank 43 and the first level sensor 44.
Wherein, the first control cock 41 is electrically connected to the first controller 31, the valve position of control first control cock 41 of the first controller 31.
The first charging point 42 is connected with Hydraulic Pump 22, crank motion under the driving of Hydraulic Pump 22, the first control cock 41 is connected between the first charging point 42 and Hydraulic Pump 22, and controls the direction of the hydraulic circuit between the first charging point 42 and Hydraulic Pump 22, to control the crank motion of the first charging point 42.The first controller 31 is controlled the valve position switching of the first control cock 41, to control the direction of the hydraulic circuit between the first charging point 42 and Hydraulic Pump 22, and then make the first charging point 42 crank motion under the promotion of the high pressure liquid force feed of Hydraulic Pump 22 output, in the reciprocating process of the first charging point 42, will repeat the process of " suction liquid---discharge liquid ", and then realize the filling of medicament.By controlling valve position switching frequency and the work-hours of the first control cock 41, can accurately control medicament adding amount.
First adds injecting storage tank 43 is communicated with the first charging point 42, and the first charging point 42 adds the interior absorption of injecting storage tank 43 first from first and adds injecting and inject in natural gas line.
In order to guarantee the reliability of filling, first, add and in injecting storage tank 43, be provided with the first level sensor 44, the first level sensor 44 adds the filling of first in injecting storage tank 43 dosage for detection of first, the first level sensor 44 is electrically connected to the first controller 31, and will detect data transmission to the first controller 31.The first the first filling dosage that adds injecting storage tank 43 detecting when first controller 31 judgement the first level sensors 44 is during lower than safe liquid level, and the first controller 31 can be controlled alarm equipment alarm, to remind staff to add in time medicament.
Preferably, in order to improve the applicability of natural gas line chemicals dosing plant, save dosing cost simultaneously, natural gas line chemicals dosing plant also comprises the second filling portion, the second filling portion and the first filling portion add respectively the different injectings that adds, and have improved like this service efficiency of natural gas line chemicals dosing plant.For example, the first filling portion is for annotate the methyl alcohol, and the second filling portion can be for filling foam discharging agent, and vice versa.In other embodiments, other adds injecting also can to utilize this device filling.
The second filling portion comprises that the second control cock 61, the second charging point 62, second add injecting storage tank 63 and the second level sensor 64.
Wherein, the second control cock 61 is electrically connected to the first controller 31, and the first controller 31 is controlled the valve position of the second control cock 61.
The second charging point 62 is connected with Hydraulic Pump 22, crank motion under the driving of Hydraulic Pump 22, the second control cock 61 is connected between the second charging point 62 and Hydraulic Pump 22, and controls the direction of the hydraulic circuit between the second charging point 62 and Hydraulic Pump 22, to control the second charging point 62 crank motions.The first controller 31 is controlled the valve position switching of the second control cock 61, to control the direction of the hydraulic circuit between the second charging point 62 and Hydraulic Pump 22, and then make the second charging point 62 crank motion under the promotion of the high pressure liquid force feed of Hydraulic Pump 22 output, in the reciprocating process of the second charging point 62, will repeat the process of " suction liquid---discharge liquid ", and then realize the filling of medicament.By controlling valve position switching frequency and the work-hours of the second control cock 61, can accurately control medicament adding amount.
Second adds injecting storage tank 63 is communicated with the second charging point 62, and the second charging point 62 adds the interior absorption of injecting storage tank 43 second from first and adds injecting and inject in pipeline to be annotated
For the second reliability that adds injecting filling, accurate control with adding amount, the second level sensor 64 is arranged on second and adds in injecting storage tank 63 and detect second and add the filling of second in injecting storage tank 63 dosage, the second level sensor 64 is electrically connected to the first controller 31, and will detect data transmission to the first controller 31.The second the second filling dosage that adds injecting storage tank 63 detecting when first controller 31 judgement the second level sensors 64 is during lower than safe liquid level, and the first controller 31 can be controlled alarm equipment alarm, to remind staff to add in time medicament.
In order further to improve the reliability of filling, natural gas line chemicals dosing plant also comprises accumulator 51, the oil inlet of accumulator 51 is connected in the hydraulic oil outlet and the pipeline between the first control cock 41 of Hydraulic Pump 22, a high pressure liquid force feed part for Hydraulic Pump 22 outputs is for having met the demand of filling and generating like this, some enters in accumulator 51, by accumulator 51, can be stored, when Hydraulic Pump 22 is because accidental cause is cannot fuel feeding time, high pressure liquid force feed in accumulator 51 flows out automatically, accumulator 51 can continue as the first filling portion like this, the second filling portion and HM Hydraulic Motor 23 fuel feeding, to guarantee filling reliability.
Preferably, in order to guarantee the operation stability of Hydraulic Pump 22 working stabilities and natural gas line chemicals dosing plant, on the high pressure liquid force feed delivery piping of Hydraulic Pump 22, be provided with check valve 26, check valve 26 can stop lower at turbine 21 operating speves or while stopping the high pressure liquid force feed in accumulator 51 be back to Hydraulic Pump 22.
Hydraulic oil entrance at Hydraulic Pump 22 is connected with fuel tank 52, from the low-pressure hydraulic oil of the first filling portion and the backflow of the second filling portion, all flows into fuel tank 52, in order to Hydraulic Pump 22, uses.Preferably, the top pressure value that exceeds the first filling portion, the second filling portion or HM Hydraulic Motor 23 operation pressures for fear of the hypertonia of Hydraulic Pump 22 outputs, between the high pressure liquid force feed delivery pipe of Hydraulic Pump 22 and fuel tank 52, be connected with by pass valve 25, while making the hypertonia of Hydraulic Pump 22 outputs, high pressure liquid force feed can be flow back in fuel tank 52 and be realized pressure release by this by pass valve 25.
In order to improve the applicability of natural gas line chemicals dosing plant, to adapt to different working environments, on branch flow passage 72, be provided with the 3rd control cock 81, the 3rd control cock 81 is electrically connected to the first controller 31, and the first controller 31 is controlled the open amount of the 3rd control cock 81 to control the flow of the natural fuels in branch flow passage 72.
The data judgement filling operation detecting according to pressure sensor 32, flow sensor 33 and temperature sensor 34 when the first controller 31 or other is when large with the change of loading, the open amount that the first controller 31 is controlled the 3rd control cock 81 on branch flow passage 72 reduces, make more natural fuels flow through turbine 21, to export more hydraulic energy and electric energy, and then meet energy requirement.
The data judgement filling operation detecting according to pressure sensor 32, flow sensor 33 and temperature sensor 34 when the first controller 31 or other are with meeting while reducing, the open amount that the first controller 31 is controlled the 3rd control cock 81 on branch flow passage 72 increases, make more natural fuels flow through branch flow passage 72, reduce the natural fuels through turbine 21, and then reduce the mechanical wear of turbine 21, increase the service life.By accurate Calculation with control and can make natural gas flow cross the loss of pressure that turbine 21 causes to reduce, can not have influence on the normal production of natural fuels gas production as far as possible.
The working process of natural gas line chemicals dosing plant is as follows,
Turbine 21 is converted to mechanical energy by the pressure energy of natural fuels, and drives Hydraulic Pump 22 rotations, with output hydraulic pressure energy.Hydraulic Pump 22 is inhalant liquid force feed from fuel tank 52, and exports high pressure liquid force feed, and a high pressure liquid force feed part flows in accumulator 51 carries out energy storage, and a part flows in HM Hydraulic Motor 23, and then drives electrical generator 24 generatings.The electric energy that electrical generator 24 sends is respectively the first controller 31, pressure sensor 32, flow sensor 33, temperature sensor 34, the first control cock 41 and the second control cock 61 power supplies.The injecting that adds in the first filling portion is methyl alcohol, the first control cock 41 is solenoid directional control valve, when the first controller 31 judges that according to detection data need to carry out methyl alcohol annotates, the first control cock 41 that the first controller 31 is controlled the first filling portion is according to the frequency crank motion calculating, make a part of high pressure liquid force feed of Hydraulic Pump 22 outputs after the first control cock 41, flow in the first charging point 42, promote the first charging point 42 crank motions, make the first charging point 42 add the interior suction methyl alcohol of injecting storage tank 43 from first, and methyl alcohol is inputed in natural gas line to be annotated, realize methyl alcohol filling.When the first controller 31 judges without annotate the methyl alcohol, to control the first control cock 41 and stop, hydraulic oil is back in fuel tank 52, to recycle.
In the second filling portion, be foam discharging agent, second adds in injecting storage tank 63 and is contained with foam discharging agent, and the second control cock 61 is solenoid directional control valve.When the first controller 31 is when detecting data judgement and need to annotate foam discharging agent, control the second control cock 61 and switch valve position by the frequency calculating, so that hydraulic oil enters in the second charging point 62 after the second control cock 61, the second charging point 62 adds the interior suction foam discharging agent of injecting storage tank 63 and exports to pipeline to be annotated, realization filling from second under the promotion of hydraulic oil.When the first controller 31 judgements do not need to annotate foam discharging agent, the first controller 31 is controlled the second control cock 61 and is stopped, to stop filling.
In conjunction with referring to Fig. 2, according to the second embodiment of the present utility model, in this embodiment, except the structure of dosing pipeline section shape and transformation of energy portion is different from the first embodiment, the structure of other natural gas line chemicals dosing plant is all identical with the structure of natural gas line chemicals dosing plant in the first embodiment.
In the present embodiment, the sprue 71 of dosing pipeline section is bending runner, and branch flow passage 72 is connected on sprue 71, so that a part of natural fuels is shunted.Transformation of energy portion comprises turbine 21, Hydraulic Pump 22 and electrical generator 24.Turbine 21 is arranged in dosing pipeline section, and the output shaft of turbine 21 is connected with Hydraulic Pump 22 after stretching out dosing pipeline section, to drive Hydraulic Pump 22 to rotate, and output hydraulic pressure energy.The output shaft of turbine 21 passes dosing pipeline section, thereby need between dosing pipeline section and output shaft, add shaft seal to avoid natural gas leaking.Electrical generator 24 is arranged on outside dosing pipeline section, and the output shaft of turbine 21 is connected with electrical generator 24 after passing chemical feed pipe piece housing, drives electrical generator 24 to rotate generating.By turbine 21 direct drive generators 24, rotate generating, omitted intermediate conversion links, avoided degradation of energy.
Preferably, in order to guarantee the operation stability of Hydraulic Pump 22 working stabilities and natural gas line chemicals dosing plant, on the high pressure liquid force feed delivery piping of Hydraulic Pump 22, be provided with check valve 26, check valve 26 can stop lower at turbine 21 operating speves or while stopping the high pressure liquid force feed in accumulator 51 be back to Hydraulic Pump 22.
Preferably, the top pressure value that exceeds the first filling portion, the second filling portion or HM Hydraulic Motor 23 operation pressures for fear of the hypertonia of Hydraulic Pump 22 outputs, between the high pressure liquid force feed delivery pipe of Hydraulic Pump 22 and fuel tank 52, be connected with by pass valve 25, while making the hypertonia of Hydraulic Pump 22 outputs, high pressure liquid force feed can be flow back in fuel tank 52 and be realized pressure release by this by pass valve 25.
From above description, can find out, the utility model the above embodiments have realized following technique effect: utilize the pressure energy in natural gas line to drive turbine rotation, and then drive Hydraulic Pump output hydraulic pressure energy, use hydraulic energy directly to promote the first charging point and the action of the second charging point.This mode has higher energy conversion efficiency, and without leaking outside.By configuring and use the first controller, can realize according to opportunity and the pharmaceutical quantities of the filling of actual working conditions Based Intelligent Control, guarantee that better gas production is produced steady, also can effectively save dosing.By being provided for adjusting branch flow passage and the 3rd control cock of turbine acting flow, can reduce the mechanical wear of turbine, extend its service life.Accumulator is used for storing high pressure liquid force feed, when gas production operating mode is undergone mutation, so that this accumulator can inject more multiple medicines agent in the short time.The first controller can add injecting storage tank and second by the first level sensor and the second level sensor monitoring first and add medicament reserves in injecting storage tank, sends alarm message when reserves are not enough.In ECU (Electrical Control Unit), can be furnished with communication interface, send the working parameter of natural gas line or well head, state and alarm message to long-range control cabin, so that staff's monitoring.By configuring different turbines, Hydraulic Pump and electrical generator, can provide electric energy for more on-site electrical equipment.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (11)
1. a natural gas line chemicals dosing plant, is characterized in that, comprising:
Transformation of energy portion, described transformation of energy portion is converted to hydraulic energy and electric energy by the pressure energy of the natural fuels in natural gas line;
The first filling portion, described the first filling portion is communicated with described transformation of energy portion, under the driving of described transformation of energy portion, to annotating in natural gas line, first adds injecting;
ECU (Electrical Control Unit), described ECU (Electrical Control Unit) is electrically connected to described transformation of energy portion and described the first filling portion is electrically connected to, and controls the adding amount of described the first filling portion.
2. natural gas line chemicals dosing plant according to claim 1, it is characterized in that, natural gas line chemicals dosing plant also comprises dosing pipeline section, and described dosing pipeline section is arranged in natural gas line as a part for described natural gas line, and described transformation of energy portion comprises:
Turbine (21), described turbine (21) is arranged in described dosing pipeline section;
Hydraulic Pump (22), described Hydraulic Pump (22) is arranged in described dosing pipeline section, and the output shaft of described turbine (21) is connected the described Hydraulic Pump of driving (22) rotation with described Hydraulic Pump (22);
HM Hydraulic Motor (23), described HM Hydraulic Motor (23) is arranged on outside described dosing pipeline section, and described Hydraulic Pump (22) is connected by conduit under fluid pressure with described HM Hydraulic Motor (23) and drives described HM Hydraulic Motor (23) to rotate;
Electrical generator (24), described electrical generator (24) is arranged on outside described dosing pipeline section, and the output shaft of described HM Hydraulic Motor (23) is connected with described electrical generator (24) and drives described electrical generator (24) to rotate generating.
3. natural gas line chemicals dosing plant according to claim 1, it is characterized in that, natural gas line chemicals dosing plant also comprises dosing pipeline section, and described dosing pipeline section is arranged in natural gas line as a part for described natural gas line, and described transformation of energy portion comprises:
Turbine (21), described turbine (21) is arranged in described dosing pipeline section;
Hydraulic Pump (22), described Hydraulic Pump (22) is arranged on outside described dosing pipeline section, and the output shaft of described turbine (21) is connected the described Hydraulic Pump of driving (22) rotation with described Hydraulic Pump (22);
Electrical generator (24), described electrical generator (24) is arranged on outside described dosing pipeline section, and the output shaft of described turbine (21) is connected with described electrical generator (24) after passing described chemical feed pipe piece housing, drives described electrical generator (24) generating.
4. according to the natural gas line chemicals dosing plant described in claim 2 or 3, it is characterized in that, described electrical generator (24) is electrically connected to described ECU (Electrical Control Unit), and is described ECU (Electrical Control Unit) power supply, and described ECU (Electrical Control Unit) comprises the first controller (31).
5. natural gas line chemicals dosing plant according to claim 1, it is characterized in that, natural gas line chemicals dosing plant also comprises dosing pipeline section, described dosing pipeline section is arranged in natural gas line the part as described natural gas line, described ECU (Electrical Control Unit) comprises test section and the first controller (31), and described test section comprises:
Pressure sensor (32), the test side of described pressure sensor (32) is arranged in described dosing pipeline section, and is connected with described the first controller (31), by the data transmission detecting in described dosing pipeline section to described the first controller (31);
Flow sensor (33), the test side of described flow sensor (33) is arranged in described dosing pipeline section, and is connected with described the first controller (31), by the data transmission detecting in described dosing pipeline section to described the first controller (31);
Temperature sensor (34), the test side of described temperature sensor (34) is arranged in described dosing pipeline section, and is connected with described the first controller (31), by the data transmission detecting in described dosing pipeline section to described the first controller (31).
6. natural gas line chemicals dosing plant according to claim 5, it is characterized in that, on described dosing pipeline section, be provided with dosing mouth, described the first filling portion adds injecting filling by described dosing mouth to described dosing pipeline section by first, described pressure sensor (32) is arranged on the downstream of described dosing mouth, described flow sensor (33) and described temperature sensor (34) are all arranged on the downstream of described pressure sensor (32), the part that described transformation of energy portion is arranged in described dosing pipeline section is positioned between described flow sensor (33) and pressure sensor (32).
7. natural gas line chemicals dosing plant according to claim 4, is characterized in that, described the first filling portion comprises:
The first control cock (41), the first control cock (41) is electrically connected to described the first controller (31), the valve position of described first control cock of control (41) of described the first controller (31);
The first charging point (42), described the first charging point (42) is connected with described Hydraulic Pump (22), crank motion under the driving of described Hydraulic Pump (22), described the first control cock (41) is connected between described the first charging point (42) and described Hydraulic Pump (22), and control the direction of the hydraulic circuit between described the first charging point (42) and described Hydraulic Pump (22), to control described the first charging point (42) crank motion;
First adds injecting storage tank (43), and described first adds injecting storage tank (43) is communicated with described the first charging point (42), and described the first charging point (42) adds absorption first in injecting storage tank (43) from described first and adds injecting and inject in described natural gas line.
8. natural gas line chemicals dosing plant according to claim 7, it is characterized in that, described the first filling portion also comprises the first level sensor (44), described the first level sensor (44) is arranged on described first and adds in injecting storage tank (43) and detect the described first the first filling dosage adding in injecting storage tank (43), described the first level sensor (44) is electrically connected to described the first controller (31), and will detect data transmission to described the first controller (31).
9. natural gas line chemicals dosing plant according to claim 7, it is characterized in that, described natural gas line chemicals dosing plant also comprises accumulator (51), the oil inlet of described accumulator (51) is connected in the hydraulic oil outlet and the pipeline between described the first control cock (41) of described Hydraulic Pump (22), and the hydraulic oil entrance of described Hydraulic Pump (22) is connected with fuel tank (52).
10. natural gas line chemicals dosing plant according to claim 4, is characterized in that, described natural gas line chemicals dosing plant also comprises the second filling portion, and described the second filling portion comprises:
The second control cock (61), described the second control cock (61) is electrically connected to described the first controller (31), and described the first controller (31) is controlled the valve position of described the second control cock (61);
The second charging point (62), described the second charging point (62) is connected with described Hydraulic Pump (22), crank motion under the driving of described Hydraulic Pump (22), described the second control cock (61) is connected between described the second charging point (62) and described Hydraulic Pump (22), and control the direction of the hydraulic circuit between described the second charging point (62) and described Hydraulic Pump (22), to control described the second charging point (62) crank motion;
Second adds injecting storage tank (63), and described second adds injecting storage tank (63) is communicated with described the second charging point (62), and described the second charging point (62) adds absorption second in injecting storage tank (43) from described first and adds injecting and inject in pipeline to be annotated;
The second level sensor (64), described the second level sensor (64) is arranged on described second and adds in injecting storage tank (63) and detect the described second the second filling dosage adding in injecting storage tank (63), described the second level sensor (64) is electrically connected to described the first controller (31), and will detect data transmission to described the first controller (31).
11. natural gas line chemicals dosing plants according to claim 4, it is characterized in that, described dosing pipeline section comprises sprue (71) and branch flow passage (72), the first end of described branch flow passage (72) is connected to the arrival end place of described sprue (71), the second end of described branch flow passage (72) is connected to the exit end place of described sprue (71), so that a part of natural fuels is shunted, described turbine (21) is arranged in described sprue (71), and be positioned between the two ends of described branch flow passage (72), on described branch flow passage (72), be provided with the 3rd control cock (81), described the 3rd control cock (81) is electrically connected to described the first controller (31), described the first controller (31) is controlled the open amount of described the 3rd control cock (81) to control the flow of the natural fuels in described branch flow passage (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320883347.6U CN203741026U (en) | 2013-12-30 | 2013-12-30 | Natural gas pipeline chemical dosing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320883347.6U CN203741026U (en) | 2013-12-30 | 2013-12-30 | Natural gas pipeline chemical dosing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203741026U true CN203741026U (en) | 2014-07-30 |
Family
ID=51340854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320883347.6U Withdrawn - After Issue CN203741026U (en) | 2013-12-30 | 2013-12-30 | Natural gas pipeline chemical dosing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203741026U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103663333A (en) * | 2013-12-30 | 2014-03-26 | 北京林克富华技术开发有限公司 | Chemical dosing device for natural gas pipeline |
| CN108868904A (en) * | 2018-06-14 | 2018-11-23 | 重庆科技学院 | It is a kind of for recycling the hydraulic variable motor speed-regulating system of natural gas remaining energy |
-
2013
- 2013-12-30 CN CN201320883347.6U patent/CN203741026U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103663333A (en) * | 2013-12-30 | 2014-03-26 | 北京林克富华技术开发有限公司 | Chemical dosing device for natural gas pipeline |
| CN103663333B (en) * | 2013-12-30 | 2016-10-26 | 北京林克富华技术开发有限公司 | Natural gas line chemicals dosing plant |
| CN108868904A (en) * | 2018-06-14 | 2018-11-23 | 重庆科技学院 | It is a kind of for recycling the hydraulic variable motor speed-regulating system of natural gas remaining energy |
| CN108868904B (en) * | 2018-06-14 | 2020-12-11 | 重庆科技学院 | Hydraulic variable motor speed regulating system for recovering natural gas residual pressure energy |
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