CN206114319U - A device for simulating 6B type gas turbine coal gas switching process - Google Patents
A device for simulating 6B type gas turbine coal gas switching process Download PDFInfo
- Publication number
- CN206114319U CN206114319U CN201621009524.8U CN201621009524U CN206114319U CN 206114319 U CN206114319 U CN 206114319U CN 201621009524 U CN201621009524 U CN 201621009524U CN 206114319 U CN206114319 U CN 206114319U
- Authority
- CN
- China
- Prior art keywords
- diffuse
- gas
- valve
- meter
- discharge pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model provides a device for simulating 6B type gas turbine coal gas switching process, including the coal press, its characterized in that: it is on a parallel with gas piping respectively with discharge pipeline II, discharge pipeline I and discharge pipeline II to be equipped with discharge pipeline I on the gas piping of coal press export, the last connecting tube that has connect of gas piping, discharge pipeline's I right -hand member is connected on the top of connecting tube, and discharge pipeline's I left end is equipped with and diffuses counter I, and the middle part is equipped with valve I, is equipped with aperture counter I on the valve I, discharge pipeline's II right -hand member is inserted at the middle part of connecting tube, discharge pipeline's II left end is equipped with and diffuses counter II, and the middle part is equipped with valve II, is equipped with aperture counter II on the valve II. Whole experimental apparatus, step are complete, and the actual switching of giving the combustion engine provides that sufficient data are referred to and the assurance of successful switch for once switching the success when gas is actually cut to the combustion engine, having guaranteed advanceing of generating electricity, reliable, stable going on, the economic benefits of its production is fairly obvious.
Description
Technical field
The utility model belongs to gas turbine power generation technical field, and in particular to one kind is used to simulate 6B type gas turbine coals
The device of gas handoff procedure.
Background technology
Gas combustion-gas vapor combined cycle unit（CCPP）It is the generation technology of current international and domestic popularization, is turned with its heat energy
Change efficiently well-known.
Conventional gas combustion-gas vapor combined cycle system is the coaxial one of coal press machine fuel engine power generation machine, and whole system is going out
Design before factory and tested and passed through.And in new gas combustion-gas vapor combined cycle engineering, the Main Function of coal press machine is
Coal gas is pressurizeed, pressure, the temperature needed for combustion engine is reached, and then is supplied combustion engine as the fuel of expansion working, combustion engine system
System oil firing on startup, by oil fuel switches to gas fuel, finally with gas combustion again when metastable switchable load is taken to
Material carries out heavy-duty service.
In the process, switch success, depend primarily on the following aspects：1）Calorific value of gas is not less than during operation
1650Btu/p/4686KJ/M3, not higher than 2331 Btu/p6620/KJ/M3；2）Gas temperature is not less than 200 DEG C during operation, no
Higher than 240 DEG C；3）Gas pressure is not less than 21.14bar/306.5psl, not higher than 27.58 bar/400psl during operation；4）Coal
Press need to be set up by 0kg/s within 150 second time to the combustion engine of 16kg/s cut throughput change, and in 10 seconds by
What 16kg/s was reduced to 0kg/s cuts oily changes in flow rate.Calorific value part can be adjusted by hybrid station system, then three, i.e. temperature,
Pressure, flow must then pass through coal press machine self-regulation to adapt to the change operating mode of combustion engine, especially in handoff procedure flow confession
Give, the emphasis for being ensured of whole handoff procedure of pressure, be also Main way that coal press machine is automatically adjusted, its direct relation and cut
Change success.
Therefore it provides a kind of device for simulating 6B type gas turbine coal gas handoff procedures, very necessary.
Utility model content
The purpose of this utility model be solve in above-mentioned prior art can not adaptation condition in time, coal press machine self-regulation cuts
A kind of the problems such as changing slow, there is provided device for simulating 6B type gas turbine coal gas handoff procedures.
For achieving the above object, the utility model provides technical scheme below：
A kind of device for simulating 6B type gas turbine coal gas handoff procedures, including coal press machine, it is characterised in that：It is described
The gas piping of coal press machine outlet is provided with diffuse channel I and diffuse channel II, and the diffuse channel I and diffuse channel II are distinguished
Parallel to gas piping；Connecting pipe is connected on the gas piping, the top of the connecting pipe connects the right side of diffuse channel I
End, the left end of the diffuse channel I is provided with and diffuses meter I, and middle part is provided with valve I, and the valve I is provided with aperture meter
Ⅰ；Access the right-hand member of diffuse channel II in the middle part of the connecting pipe；The left end of the diffuse channel II is provided with and diffuses meter
II, middle part is provided with valve II, and the valve II is provided with aperture meter II.
Preferably, the diffuse channel I is DN150 diffuse channels.
Preferably, the diffuse channel II is DN200 diffuse channels.
It is final from the gas flow and combustion engine that 0kg/s starts switching that the flow of two diffuse channels must respectively adapt to combustion engine
Switching completes the total flow of required 16kg/s.
Preferably, it is described diffuse meter I and diffuse meter II include diffuse time measurement device and emission coal gas
Gauge measuring device.Record diffuses time and rate of change, conveniently draws the discharge characteristic of each valve.
Preferably, described diffuse meter I and diffuse meter II and be all connected with micro processor, at the micro computer
Reason device connection host computer.Convenient record, statistics.
A kind of experimental technique of simulation 6B type gas turbine coal gas handoff procedures, it is characterised in that：By following steps reality
It is existing：（1）The amount of diffusin statistics of single valve is carried out, and forms corresponding emission coal gas amount curve；（2）Carry out being total to for two valves
Count with amount of diffusin, and form corresponding emission coal gas amount curve；（3）According to combustion engine amount of diffusin demand, two valve openings are adjusted,
And amount of diffusin when recording the corresponding aperture of valve, response curve is recorded, obtain optimal valve opening；（4）Carry out valve opening
Experiment so that valve reaches respective optimal aperture within combustion engine switching time from full off state, carries out amount of diffusin simulation,
Hybrid station is contacted simultaneously, and record is high, burnt mixed traffic；（5）Work condition analogue experiment is carried out, and records corresponding data and curve；
（6）Carry out gas temperature and pressure adjusts regulation experiment, according to（1）Gained flow, the PID for adjusting three times valves of coal press machine is whole
Determine parameter so as to the pressure for adjusting gas exit can be tracked within the time of regulation, corresponding curve is recorded.
Preferably, the step（4）Combustion engine switching time be 150s.
Preferably, the step（1）In single valve amount of diffusin be more than 16kg/s.
Preferably, the step（6）In, the pressure of gas exit carries out to ensure during cutting gas in combustion engine
More than 21.14bar.
Compared with prior art, the beneficial effects of the utility model are：
A kind of device for simulating 6B type gas turbine coal gas handoff procedures that the utility model is provided, by combustion engine
The simulated experiment of handoff procedure, has obtained coal press machine at the appointed time, it is ensured that gas flow supply ensures outlet pressure phase again
To stable tracking parameter, really simulate combustion engine cuts throughput change operating mode, by experiment the PID of system has been adjusted
The change that pressure is tracked during combustion engine cuts gas all can be reached, whole system is adjusted and complied fully with the actual condition for cutting gas of combustion engine
Require.Due to whole experimental provision, the integrality of step, to the actual switching of combustion engine enough data references and success are provided
The guarantee of switching so that combustion engine is actual cut gas when handover success, compare estimated engineering debugging process and be advanced by one
Month duration, it is ensured that generating in advance, it is reliable, stably carry out, the economic benefit that it is produced is quite obvious.
Additionally, the utility model Method And Principle reliability, step is simple, with application prospect widely.
As can be seen here, the utility model compared with prior art, with substantive distinguishing features and progress, its beneficial effect implemented
Fruit is also obvious.
Description of the drawings
Fig. 1 is a kind of structure for simulating the device of 6B type gas turbine coal gas handoff procedures that the utility model is provided
Schematic diagram.
Wherein, 1-gas piping, 2- diffuse channels I, 3- diffuse channels II, 4- connecting pipes, 5- diffuses meter I, 6-
Diffuse meter II, 7- valve Is, 8- valves II, 9- apertures meter I, 10- apertures meter II.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of device for simulating 6B type gas turbine coal gas handoff procedures that the utility model is provided,
Including coal press machine, the gas piping 1 of the coal press machine outlet is provided with diffuse channel I 2 and diffuse channel II 3, the exhaust stack
Road I 2 and diffuse channel II 3 are respectively parallel to gas piping 1；Connecting pipe 4, the connecting tube are connected on the gas piping 1
The top in road 4 connects the right-hand member of diffuse channel I 2, and the left end of the diffuse channel I 2 is provided with and diffuses meter I 5, and middle part is provided with valve
Door I 7, the valve I 7 is provided with aperture meter I 9；Access the right-hand member of diffuse channel II 3 in the middle part of the connecting pipe 4；Institute
The left end for stating diffuse channel II 3 is provided with and diffuses meter II 6, and middle part is provided with valve II 8, and the valve II 8 is provided with aperture meter
Measuring device II 10.
In the present embodiment, the diffuse channel I 2 is DN150 diffuse channels.
In the present embodiment, the diffuse channel II 3 is DN200 diffuse channels.
It is final from the gas flow and combustion engine that 0kg/s starts switching that the flow of two diffuse channels must respectively adapt to combustion engine
Switching completes the total flow of required 16kg/s.
In the present embodiment, it is described diffuse meter I 5 and diffuse meter II 6 include diffusing time measurement device and putting
Scattered gas meter measuring device.Record diffuses time and rate of change, conveniently draws the discharge characteristic of each valve.
In the present embodiment, it is described to diffuse meter I 5 and diffuse meter II 6 and be all connected with micro processor, it is described micro-
Computer processor connects host computer.Convenient record, statistics.
A kind of experimental technique of simulation 6B type gas turbine coal gas handoff procedures, is realized by following steps：（1）Carry out list
The amount of diffusin statistics of individual valve, finds out the maximum amount of diffusin of single valve, and forms corresponding emission coal gas amount curve, and record is put
Scattered time and rate of change, find out the respective discharge characteristic of each valve；（2）The common amount of diffusin statistics of two valves is carried out,
Valve is read from fully closed to from opening, the curve such as the total maximum amount of diffusin of coal gas and valve event time from hybrid station；（3）According to combustion
Machine amount of diffusin demand, adjusts the aperture of two valves, and records the amount of diffusin when two valves reach corresponding aperture, records phase
Curve is answered, optimal valve opening is found out；（4）Carry out valve opening experiment, valve is set and is each accordingly opened to reaching from fully closed
The time of degree is combustion engine switching time 150s, carries out the simulation of amount of diffusin, while contacting hybrid station, record is high, burnt mixed traffic；
（5）Carry out Work condition analogue experiment, it is ensured that whole handoff procedure is to be switched to 16kg/s by 0kg/s in 150s, reaches real mould
Intend combustion engine and switch the purpose of operating mode, and record corresponding data and curve；（6）Carry out gas temperature and pressure adjusts examination of adjusting
Test, according to（1）Gained flow, adjusts the PID setting parameters of three times valves of coal press machine so as to minimum to cannot be below combustion engine entrance
Required 21.14bar/306.5psl, this is the key that combustion engine switches success, and simulation is diffused in fact according to made above
Test, be repeated and test to adjust the PID setting parameters of three times valves of coal press machine so as to can track within the time of regulation
The pressure of gas exit is adjusted, makes gas exit pressure carry out ensureing during cutting gas in more than 21.14bar in combustion engine, remembered
Corresponding curve is recorded, to obtain optimal effect of adjusting.
By the simulated experiment to combustion engine handoff procedure, coal press machine has been obtained at the appointed time, it is ensured that gas flow is supplied
The metastable tracking parameter of outlet pressure should again be ensured, the best curve of coal gas switching is defined, in coal press machine 150s switchings
During, gas flow is smoothed from the variation tendency process of 0 to 6 ten thousand amounts, and really simulate combustion engine cuts throughput change operating mode.
In whole handoff procedure experiment, the minimum point of pressure is 2.23Mpa, hence it is evident that higher than 21.14bar, the PID for illustrating system is adjusted
Section is fully able to during combustion engine 150s cuts gas track the change of pressure, and whole system is adjusted and complied fully with that combustion engine is actual to cut
The condition of gas is required.
In the present embodiment, the step（4）Combustion engine switching time be 150s.
In the present embodiment, the step（1）In single valve amount of diffusin be more than 16kg/s.
In the present embodiment, the step（6）In, the pressure of gas exit carries out to ensure during cutting gas in combustion engine
In more than 21.14bar.
A kind of device for simulating 6B type gas turbine coal gas handoff procedures that the utility model is provided, by combustion engine
The simulated experiment of handoff procedure, has obtained coal press machine at the appointed time, it is ensured that gas flow supply ensures outlet pressure phase again
To stable tracking parameter, really simulate combustion engine cuts throughput change operating mode, by experiment the PID of system has been adjusted
The change that pressure is tracked during combustion engine cuts gas all can be reached, whole system is adjusted and complied fully with the actual condition for cutting gas of combustion engine
Require.Due to whole experimental provision, the integrality of step, to the actual switching of combustion engine enough data references and success are provided
The guarantee of switching so that combustion engine is actual cut gas when handover success, compare estimated engineering debugging process and be advanced by one
Month duration, it is ensured that generating in advance, it is reliable, stably carry out, the economic benefit that it is produced is quite obvious.
Above-mentioned technical proposal is a kind of embodiment of the present utility model, for those skilled in the art,
The utility model discloses on the basis of application process and principle, it is easy to make various types of improvement or deformation, and not
The method being only limitted to described by the above-mentioned specific embodiment of the utility model, therefore previously described mode is simply preferred, and
Not restrictive meaning.
Claims (5)
1. a kind of device for simulating 6B type gas turbine coal gas handoff procedures, including coal press machine, it is characterised in that：The coal
The gas piping of press outlet is provided with diffuse channel I and diffuse channel II, and the diffuse channel I and diffuse channel II are put down respectively
Row is in gas piping；Connecting pipe is connected on the gas piping, the top of the connecting pipe connects the right side of diffuse channel I
End, the left end of the diffuse channel I is provided with and diffuses meter I, and middle part is provided with valve I, and the valve I is provided with aperture meter
Ⅰ；Access the right-hand member of diffuse channel II in the middle part of the connecting pipe；The left end of the diffuse channel II is provided with and diffuses meter
II, middle part is provided with valve II, and the valve II is provided with aperture meter II.
2. a kind of device for simulating 6B type gas turbine coal gas handoff procedures as claimed in claim 1, it is characterised in that：
The diffuse channel I is DN150 diffuse channels.
3. a kind of device for simulating 6B type gas turbine coal gas handoff procedures as claimed in claim 1, it is characterised in that：
The diffuse channel II is DN200 diffuse channels.
4. a kind of device for simulating 6B type gas turbine coal gas handoff procedures as described in claim 1 or 2 or 3, it is special
Levy and be：It is described diffuse meter I and diffuse meter II include diffuse time measurement device and emission coal gas gauge measuring device.
5. a kind of device for simulating 6B type gas turbine coal gas handoff procedures as claimed in claim 4, it is characterised in that：
It is described diffuse meter I and diffuse meter II be all connected with micro processor, the micro processor connects host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621009524.8U CN206114319U (en) | 2016-08-31 | 2016-08-31 | A device for simulating 6B type gas turbine coal gas switching process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621009524.8U CN206114319U (en) | 2016-08-31 | 2016-08-31 | A device for simulating 6B type gas turbine coal gas switching process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206114319U true CN206114319U (en) | 2017-04-19 |
Family
ID=58515194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621009524.8U Expired - Fee Related CN206114319U (en) | 2016-08-31 | 2016-08-31 | A device for simulating 6B type gas turbine coal gas switching process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206114319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153367A (en) * | 2016-08-31 | 2016-11-23 | 山东钢铁股份有限公司 | A kind of device for simulating 6B type gas turbine coal gas handoff procedure |
-
2016
- 2016-08-31 CN CN201621009524.8U patent/CN206114319U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106153367A (en) * | 2016-08-31 | 2016-11-23 | 山东钢铁股份有限公司 | A kind of device for simulating 6B type gas turbine coal gas handoff procedure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104343475B (en) | Fired power generating unit flow characteristics of turbine high-pressure governing valve method for correcting | |
| CN102385356B (en) | Optimizing control method for sintering waste heat power generation system | |
| CN104238494A (en) | Thermal power generating unit coal feed amount control method based on frequency modulation and peak regulation of power grid | |
| CN206114319U (en) | A device for simulating 6B type gas turbine coal gas switching process | |
| CN203642454U (en) | Water heater and water pathway regulating mechanism thereof | |
| CN102446233A (en) | Method for simulating and modeling controlled object in distributed control system of thermal power generating unit | |
| CN106011353B (en) | A kind of blast funnace hot blast stove air-fuel ratio self-optimization method | |
| CN104990092A (en) | Ultra-low-concentration gas combustion method and system | |
| CN107860785A (en) | A kind of quick thermal fatigue test method of engine cylinder cap and device | |
| CN105318349A (en) | Primary air quantity control method based on grid frequency modulation and peak load regulation and applied to thermal power unit | |
| CN102520294A (en) | Power cycling system for power device | |
| CN102676713B (en) | Feedforward feedback simulation method for TRT (Top Gas Pressure Recovery Turbine unit) blast furnace top pressure control stamping process and system therefor | |
| CN106153367A (en) | A kind of device for simulating 6B type gas turbine coal gas handoff procedure | |
| CN110360010B (en) | Gas turbine gas inlet heating system and control method thereof | |
| CN108193012A (en) | A kind of iron and steel enterprise's coal gas of converter Optimal Control System | |
| Almedilla et al. | Performance evaluation and off design analysis of the HP and LP feed water heaters on a 3× 135 MW coal fired power plant | |
| CN104792819A (en) | Heat barrier coating heat insulation effect testing device for fuel machine | |
| CN214896323U (en) | Testing device for function verification of nuclear power station steam turbine regulation security system | |
| CN109612285B (en) | Cold quick-witted waste heat recovery device of ring of variable operating mode grading | |
| CN103423741B (en) | The energy-conservation optimization system of CFBB and method | |
| CN113419025A (en) | Coke oven air excess coefficient real-time monitoring device and adjusting method | |
| CN204495576U (en) | The simulation testing device of system reliability control characteristic is utilized for smoke discharging residual heat | |
| CN103162731A (en) | Blast furnace hot blast stove burning effect on-line analysis and quantitative method | |
| CN210951389U (en) | Natural gas blending combustion device of low-calorific-value gas turbine | |
| CN112304779A (en) | High-temperature high-pressure pipe service performance online test device for power station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170419 Termination date: 20170831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |