CN204026147U - A kind of fuel gas processing system - Google Patents
A kind of fuel gas processing system Download PDFInfo
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- CN204026147U CN204026147U CN201420417943.XU CN201420417943U CN204026147U CN 204026147 U CN204026147 U CN 204026147U CN 201420417943 U CN201420417943 U CN 201420417943U CN 204026147 U CN204026147 U CN 204026147U
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Abstract
The utility model discloses a kind of novel fuel gas processing system, it comprises by the insulation of pipeline successively connected entrance and fire alarm cutting unit (1), cyclonic separation unit (2), filtering separation unit (3), batching unit (4), heating unit (5), pressure regulation unit (6), outlet port unit (7) and preposition modular unit (8).The utility model reasonable in design, can reduce investment and operating cost, improve stability and the Security of supply fuel gas, and can guarantee the safe and stable operation of voltage regulating station system, can meet gas user high to fuel gas parameter validity, respond requirement rapidly.
Description
Technical field
The utility model relates to fuel gas applied technical field, a kind of fuel gas processing system that fuel gas is carried out pressure regulation (supercharging), metering, control and carried of specific design.
Background technique
Rock gas is a kind of burying in underground inflammable gas, colorless and odorless, and in main component, 85～95% is methane (CH4), proportion is lighter than air, and diffusion rapidly, belongs to flammable explosible gas in air.In weather combustion process, the pollutant of generation is less, also there is no waste residue, waste water after burning.Compare with black energy such as coals, the nitride producing, carbon monoxide, can to suck particulate matter few, produces hardly sulfur dioxide, 40% left and right that the discharge of carbon dioxide is coal.Gas utilization efficiency is high; be beneficial to environmental protection; yet fuel gas utilization is still in the starting stage; to the natural gas processing unified form of neither one also; this just may cause the parameters of natural gas state labile of gas user entrance or can not respond rapidly according to the variation of user working status, has directly affected the safe operation of customer equipment, has increased the cost of overhaul; also reduced the working life of combustion gas station equipment, so make investment and operating cost too high.
Therefore, necessary on the basis of prior art, a kind of reasonable in design of design research and development, the novel fuel gas processing system that Security is good.
Summary of the invention
the utility model object is to provide a kind of novel fuel gas processing system, and the combustion gas of the fuel gas processing system providing through the utility model output can meet requirement as follows: clean combustion gas, hydrocarbon containing liquid not in combustion gas; Fuel gas temperature is greater than dew point temperature; Control gaseous-pressure to guarantee the normal demand of gas user; Gas user working state can respond while changing rapidly; Metering accurately; Enough security of operation protections can be provided.
Technological scheme: in order to realize above object, the utility model is taked following technological scheme:
A novel fuel gas processing system, it comprises successively by pipeline connected entrance insulation and fire alarm cutting unit, cyclonic separation unit, filtering separation unit, batching unit, heating unit, pressure regulation unit, outlet port unit;
Described entrance insulation comprises insulating joint, fire alarm cutting-off valve, temperature transducer and pressure transducer with fire alarm cutting unit;
Described cyclonic separation unit is the micro-cyclone filter separator of multitube;
Described filtering separation unit is two filter separators;
Described batching unit is Ultrasonic Wave Flowmeter, flow computer or gas chromatographicanalyzer;
Described heating unit is water-bath, electric heater or double-tube type heat exchanger;
Described outlet port unit comprises cut-off valve, insulating joint, pressure transmitter and temperature transmitter.
As preferred version, described fuel gas processing system, described outlet port unit is connected with preposition modular unit; Described preposition modular unit comprises preposition batching unit, preposition smart filter element and preposition insulation and fire alarm cutting unit.
As preferred version, described fuel gas processing system, the sewage draining exit of cyclonic separation unit, filtering separation unit and preposition smart filter element is all connected to sludge collecting box by pipeline.
As preferred version, described fuel gas processing system, described entrance insulation is all connected with fuel gas diffusing tower by diffusing pipeline with fire alarm cutting unit with fire alarm cutting unit, cyclonic separation unit, filtering separation unit, pressure regulation unit, outlet port unit, preposition smart filter element and preposition insulation.
As preferred version, described fuel gas processing system, described pressure regulation unit adjusts branch road by working pressure and standby pressure adjustment branch road forms, and described working pressure adjusts branch road and standby pressure adjustment branch road includes work pressure governor, monitoring pressure governor, Emergeny Cutoff Valves and micrometeor diffusion valve.
As preferred version, described fuel gas processing system, the import and export of described filter separator all configure two pneumatic isolation ball valve and realize bivalve partition, and are provided with and diffuse pipeline in the middle of two pneumatic isolation ball valve.
As preferred version, described fuel gas processing system, is also connected with nitrogen replacement system by pipeline in fuel gas processing system.
Beneficial effect, compared to the prior art the fuel gas processing system that the utility model provides, has the following advantages:
The fuel gas processing system that the utility model provides, reasonable in design, this system is supplied with specific aim to the fuel gas of gas user, can reduce investment and operating cost, improve stability and the Security of supply fuel gas, use gas feature and upstream source of the gas parameter for gas user, when considering heating unit and preposition unit, be equipped with again complete supporting facility, can guarantee the safe and stable operation of voltage regulating station system, can meet again gas user high to fuel gas parameter validity, respond requirement rapidly, have wide range of applications.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model fuel gas processing system.
Specific embodiments
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand these embodiments and only for the utility model is described, be not used in restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present utility model.
As shown in Figure 1, a novel fuel gas processing system system, it comprises by pipeline connected entrance insulation and fire alarm cutting unit (1), cyclonic separation unit (2), filtering separation unit (3), batching unit (4), heating unit (5), pressure regulation unit (6) and outlet port unit (7).
Described outlet port unit (7) is connected with preposition modular unit (8); Described preposition modular unit (8) comprises preposition batching unit (8-1), preposition smart filter element (8-2) and preposition insulation and fire alarm cutting unit (8-3).
Wherein said entrance insulation is mainly comprised of insulating joint, fire alarm cutting-off valve, temperature transducer, pressure transducer with fire alarm cutting unit (1).Insulating joint is mainly to avoid the impact of the electrochemical corrosion of buried gas pipeline on voltage regulating station; The pressure and temperature of input unit detects by sensor.Fire alarm cut-off valve is pneumatic operation, can instantaneous trip air feed, and object emergency cut-off when realizing fire, this valve event time is generally less than 1 second.
Wherein cyclonic separation unit (2) are the micro-cyclone filter separator of multitube, because entering into the fuel gas of voltage regulating station, may contain solid impurity and liquid impurity.These impurity can be removed by separator.This device core is partly micro-copper plate assembly, and particle is because the resistance that the effect of centrifugal force overcomes air-flow moves to wall, and after reaching near wall, due to turbulent flow less in boundary layer, particle can enter drain pipe along wall and get rid of; Energy 99.5% separates solid or the liquid particle that is greater than 10 μ.The import and export of the micro-cyclone filter separator of multitube all configure a pneumatic isolation ball valve, so that the cleaning of equipment and maintenance configure a road manual bypass on separating valve, so that while injecting fuel gas first, and flow in pipes at leisure, this unit is provided with by-pass valve.
The capital equipment of filtering separation unit (3) is filter separator, and the utility model is provided with two filter separators, the using and the reserved, and every filter separator is exerted oneself as the 110%-120% of flow system flow.Enter into the fuel gas of voltage regulating station by after the processing of cyclonic separation unit, may also contain certain solid impurity and liquid impurity.These impurity can be removed by filter separator.Fuel gas is through filter element, and tiny solid particulate and fog are here by filter element amputation.Clean gas outflow filter separator.The filter precision of filter separator and filter efficiency are: particle requirement elimination efficiencies more than 5 μ is reached to 100%, when particle is 3-5 μ m, dust removal efficiency should be not less than 99.9%, when grit is during in 2-3 μ m scope, filter efficiency should be not less than 99.5%, when grit is during in 0.5-2 μ m scope, filter efficiency should be not less than 95%.
The import and export of filter separator all configure two pneumatic isolation ball valve and realize bivalve partition, in the middle of bivalve, are provided with and diffuse pipeline, facilitate cleaning and the maintenance of filtering separation device.On separating valve, configured equally manual bypass, so that while injecting fuel gas first, flow in pipes at leisure.Every filter arranges 1 cover differential pressure supervisory system (differential pressure transmitter), be used to indicate the differential pressure that filter is imported and exported, this differential pressure value represents the pollution level of filter inner filter core, because the pollution level of filter core is higher, the negotiability of fuel gas is less, resistance is just larger, and namely the front and back pressure reduction of filter is just larger; In normal running, differential pressure value should be at 150 ~ 550 mbar, and when differential pressure value is greater than 550mbar, system can be reported to the police, and remind more renew cartridge of staff, thereby guarantee the filter efficiency of filter.This system arranges two filters, adopts the using and the reserved, when the filter replacement filter core of operation, should first be switched to standby filter.A magnetic flap level gauge of every configuration, is furnished with high level switch, low liquid-level switch on level meter.Controlled by high and low liquid-level switch and realize automatic pollution discharge; Under normal operational circumstances, the soiling solution in filter sends signal to PLC by liquid-level switch, and PLC controls electromagnetic valve switch action, and then controls the action of automatic blowdown valve.Solenoid valve is normal power failure state, and when liquid level reaches high level value, automatic blowdown valve is opened, and soiling solution is disposed to condensed fluid storage tank; In discharge process, when liquid level reaches low level value, automatic blowdown valve cuts out; Automatic blowdown valve arranges a roadside road, this bypass is for the manual blowdown under automatic blowdown system failure condition, when reaching high liquid level and continue, liquid level reports to the police, automatic pollution discharge fault is described, PLC reports to the police, and reminds staff, after opening corresponding bypass discharge leg simultaneously and finishing, check system, solves warning problem.
The effect of wherein said batching unit (4) is mainly to entering the fuel gas of voltage regulating station, to carry out accurate flow measurement by flowmeter.Metering system can be Ultrasonic Wave Flowmeter, flow computer or gas chromatographicanalyzer.Utilize the time difference that ultrasound transmits in pipeline to realize the metering to gas; The calculating and the integrated flux that adopt flow computer to complete the instantaneous floies such as standard volume flow (101.325kPa, 20 ℃), mass flow rate calculate.Gas chromatographicanalyzer typical case application can analyze C6+ (one-period 180-240 second), and calorific value is mainly provided, and relative density and gas component number certificate are given flow computer, thereby obtain the Combustion Energy value of fuel gas.
Wherein said heating unit (5), the major function of voltage regulating station is to meet the pressure requirement of gas user to fuel gas by the fuel gas lowering and stabilizing blood pressure of upstream steam line, but according to Joule-Thomson effect, because pressure decreased causes temperature to reduce during fuel gas process voltage regulating station, if pressure regulation front and back pressure drop too conference makes fuel gas temperature drop also very large, after pressure regulation, temperature is lower than water dew point, hydrocarbon dew point or cause components and parts and the stifled phenomenon of pipeline generation ice, the system that affects is normally moved, so can select whether to design heating unit according to pressure drop situation and inlet temperature.Heating plant is optional with equipment such as water-bath, electric heater or double-tube type heat exchangers.
Wherein said pressure regulation unit (6), what pressure regulation unit comprised pressure-reduction module or Voltage stabilizing module adds supercharging module.This pressure regulation unit arranges the voltage-regulating system of two cover single-machine capacities 100%, adjusts branch road form by working pressure adjustment branch road and standby pressure.Route work pressure governor, monitoring pressure governor, Emergeny Cutoff Valves, micrometeor diffusion valve formation are propped up in working pressure adjustment.When lost efficacy or closed because of maintaining in work pressure regulation road, can automatically switch to standby pressure regulation road and work on.After work pressure governor and after monitoring pressure governor, be provided with regard to ground pressure and indicate.Standby pressure regulation road forms consistent with work pressure regulation branch road, also can only adopt a work pressure governor, and pressure governor is selected Self operated Regulator.Every pressure regulation branch road arranges with regard to ground pressure indication, manual diffusion valve, manual blowdown valve, and front and back arrange isolating valve.Isolating valve is provided with opens slow injection valve.When gaseous-pressure is lower can not meet gas user inlet pressure and require time, voltage regulating station need carry out supercharging to fuel gas.Pressure-increasing machine generally adopts piston compressor, screw rod or centrifugal compressor.Compressor adopts high-voltage explosion-proof type motoring.For controlling outlet fuel gas flow, temperature, compressor bank also needs to configure reflux valve and reflux cooler.Pressure regulation unit also comprises Voltage stabilizing module and supercharging module, and Voltage stabilizing module regulates entering pressure-increasing machine combustion gas before, makes its pressure stability at a numerical value, and then enters supercharging module.
The outlet port unit of above-described voltage regulating station (7) mainly consists of Emergeny Cutoff Valves and insulating joint, and diffusion valve is set simultaneously, the combustion gas of diffusing rapidly upstream device and pipeline when safeguarding.Outlet section is provided with pressure transmitter, temperature transmitter, for the outlet pressure temperature signal of voltage regulating station is sent to DCS system.
The combustion gas of voltage regulating station output, behind above-mentioned 7 unit of the utility model, has met the technical requirements of gas user in performance parameter.
For what guarantee the gas user distant with voltage regulating station, use gas safety and stability, the utility model has additional preposition unit (8), and preposition unit consists of preposition batching unit (8-1), preposition smart filter element (8-2) and fire alarm cutting unit (8-3).Preposition batching unit (8-1) can be realized the contrast effect of the business metering of separate unit gas user.Preposition smart filter element (8-2) carries out final filtration to entering the combustion gas of gas user, guarantees the Security of gas user use gas.Fire alarm cutting unit (8-3) is for cutting off the air feed of gas user under emergency.
The formant of Ben voltage regulating station system is all connected with fuel gas diffusing tower (9) by diffusing pipeline.Diffuse pipeline automatic relief valve is set, automatic relief valve and emergency safety cut-off valve interlocking, when emergency safety cut-off valve cuts out, automatic relief valve starts at once.
The waste liquid of the fuel gas of discharging in cyclonic separation unit (2), filtering separation unit (3), preposition smart filter element (8-2) is all transported to sludge collecting box (10) by pipeline.
Native system also disposes nitrogen replacement system (11), to as requested system is carried out to nitrogen blowing and displacement.For certain part is purged and gas displacement, first this part solution from voltage regulating station system to be listed, by separating valve, this partial solution is listed, open outlet valve, by pipe evacuation, nitrogen is sent into pipeline by nitrogen interface, complete nitrogen replacement process.
The utility model system also can be provided with the warning device that detects fuel gas and leak, various control instruments etc. and guarantee voltage regulating station safe and reliable operation.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. a novel fuel gas processing system, it is characterized in that, it comprises successively by pipeline connected entrance insulation and fire alarm cutting unit (1), cyclonic separation unit (2), filtering separation unit (3), batching unit (4), heating unit (5), pressure regulation unit (6), outlet port unit (7);
Described entrance insulation comprises insulating joint, fire alarm cutting-off valve, temperature transducer and pressure transducer with fire alarm cutting unit (1);
Described cyclonic separation unit (2) is the micro-cyclone filter separator of multitube;
Described filtering separation unit (3) is two filter separators;
Described batching unit (4) is Ultrasonic Wave Flowmeter, flow computer or gas chromatographicanalyzer;
Described heating unit (5) is water-bath stove, electric heater or double-tube type heat exchanger;
Described outlet port unit (7) comprises cut-off valve, insulating joint, pressure transmitter and temperature transmitter.
2. fuel gas processing system according to claim 1, is characterized in that, described outlet port unit (7) is connected with preposition modular unit (8); Described preposition modular unit (8) comprises preposition batching unit (8-1), preposition smart filter element (8-2) and preposition insulation and fire alarm cutting unit (8-3).
3. fuel gas processing system according to claim 2, is characterized in that, the sewage draining exit of cyclonic separation unit (2), filtering separation unit (3) and preposition smart filter element (8-2) is all connected to sludge collecting box (10) by pipeline.
4. fuel gas processing system according to claim 2, it is characterized in that, described entrance insulation is all connected with fuel gas diffusing tower (9) by diffusing pipeline with fire alarm cutting unit (8-3) with fire alarm cutting unit (1), cyclonic separation unit (2), filtering separation unit (3), pressure regulation unit (6), outlet port unit (7), preposition smart filter element (8-2) and preposition insulation.
5. fuel gas processing system according to claim 4, it is characterized in that, described pressure regulation unit (6) adjusts branch road by working pressure and standby pressure adjustment branch road forms, and described working pressure adjusts branch road and standby pressure adjustment branch road includes work pressure governor, monitoring pressure governor, Emergeny Cutoff Valves and micrometeor diffusion valve.
6. fuel gas processing system according to claim 1, is characterized in that, the import and export of described filter separator all configure two pneumatic isolation ball valve and realize bivalve partition, and is provided with and diffuses pipeline in the middle of two pneumatic isolation ball valve.
7. fuel gas processing system according to claim 1, is characterized in that, fuel gas processing system is connected with nitrogen replacement system (11) by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420417943.XU CN204026147U (en) | 2014-07-28 | 2014-07-28 | A kind of fuel gas processing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420417943.XU CN204026147U (en) | 2014-07-28 | 2014-07-28 | A kind of fuel gas processing system |
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| Publication Number | Publication Date |
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| CN204026147U true CN204026147U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420417943.XU Expired - Fee Related CN204026147U (en) | 2014-07-28 | 2014-07-28 | A kind of fuel gas processing system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108310854A (en) * | 2018-01-23 | 2018-07-24 | 北京东方通捷燃气有限责任公司 | A kind of gas filter and its combustion gas Gao Peizhan of application |
| CN109443432A (en) * | 2018-11-05 | 2019-03-08 | 长沙源婕科技有限公司 | A kind of filter generator device failure automatic detection method |
| CN109488884A (en) * | 2019-01-14 | 2019-03-19 | 长江大学 | A kind of device that gives out of gas of anti-leak |
-
2014
- 2014-07-28 CN CN201420417943.XU patent/CN204026147U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108310854A (en) * | 2018-01-23 | 2018-07-24 | 北京东方通捷燃气有限责任公司 | A kind of gas filter and its combustion gas Gao Peizhan of application |
| CN109443432A (en) * | 2018-11-05 | 2019-03-08 | 长沙源婕科技有限公司 | A kind of filter generator device failure automatic detection method |
| CN109488884A (en) * | 2019-01-14 | 2019-03-19 | 长江大学 | A kind of device that gives out of gas of anti-leak |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20170728 |
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| CF01 | Termination of patent right due to non-payment of annual fee |