CN205051353U - Ventilation air methane integrated system that generates electricity based on power factor examination - Google Patents
Ventilation air methane integrated system that generates electricity based on power factor examination Download PDFInfo
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- CN205051353U CN205051353U CN201520728724.8U CN201520728724U CN205051353U CN 205051353 U CN205051353 U CN 205051353U CN 201520728724 U CN201520728724 U CN 201520728724U CN 205051353 U CN205051353 U CN 205051353U
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- Prior art keywords
- valve
- admission line
- gas
- air
- ventilation air
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Abstract
The utility model belongs to the technical field of gas generating electricity remote management control, a ventilation air methane integrated system that generates electricity based on power factor examination is disclosed. This system just is the load power supply including outside electric wire netting, gas -combustion generator and the photovoltaic array who is connected to the generating line respectively, outside electric wire netting department is equipped with the power metering table that is incorporated into the power networks to net power metering table electricity is connected with central controller, gas -combustion generator is connected with the ventilation air methane admission line, and the ventilation air methane admission line is established to the tee bend pipeline that has total admission line, main ventilation air methane admission line and reserve ventilation air methane admission line, and the intercommunication has gas storage device breather pipe on the reserve ventilation air methane admission line, is connected with the gas storage device on the gas storage device breather pipe, central controller is connected to photovoltaic power generation unit electricity. Power factor unified coordinated ventilation air methane generating set and photovoltaic array can synthesize in this system.
Description
Technical field
The utility model belongs to gas electricity remote management and control technical field, particularly a kind of ventilation air gas comprehensive system for electric generation based on power factor examination.
Background technology
Gas electricity unit can make full use of ventilation air gas gas, the comprehensive utilization of the energy is achieved again while reducing weary wind gas emissions, reducing environmental pollution, a kind of environmental protection, energy-conservation forms of electricity generation, cleaner production energy development can be actively pushed forward, realize the generating integrated process of coal mining gas production, effectively improve the level of production.
On the other hand, along with socioeconomic fast development, the non-regeneration energy worsening shortages such as fossil energy, solar power generation application is also more and more extensive, becomes general clean reproducible energy forms of electricity generation.Under comprehensive utilization of energy and the day by day strong overall situation of environmental protection demand, gas electricity unit access solar power generation will have wide development and apply prospect.Simultaneously, because photovoltaic generation power output has the reasons such as wave characteristic, gas electricity unit access solar power generation after higher level and site power flow will change, even may there is two-way change, cause and the fluctuation of site power factor, by fine certain for generation during power factor examination value specify lower than grid company.Existing system cannot integral power factor information, unified coordinate ventilation air gas generating set and photovoltaic generation unit, technical advantage and the economic advantages of its entirety cannot be given full play to.
Utility model content
The purpose of this utility model is to provide a kind of ventilation air gas comprehensive system for electric generation based on power factor examination, this system can control power stage flexibly, utilize on maximized basis at ventilation air gas generating set, avoid on the one hand causing because the power factor that is incorporated into the power networks is too low occurring fine, utilize the regenerative resources such as photovoltaic on the other hand according to actual conditions as far as possible, improve efficiency of energy utilization, energy-saving and emission-reduction.
For reaching above object, the utility model is achieved by the following technical solutions.
Based on the ventilation air gas comprehensive system for electric generation of power factor examination, it is characterized in that: comprise and be connected to bus respectively and be the external electrical network of load supplying, gas electricity unit and photovoltaic generation unit; Described external electrical network place is provided with for gathering and the grid-connected power meter scale of site power information, and described grid-connected power meter scale is electrically connected with central controller;
Described gas electricity unit is connected with weary wind admission line, described weary wind admission line comprises total inlet pipe road, main weary wind admission line and weary wind admission line for subsequent use, and described master weary wind admission line and weary wind admission line for subsequent use are connected to the arrival end in total inlet pipe road side by side; Described weary wind admission line for subsequent use is communicated with and stores device of air breather pipe, described in store device of air breather pipe is connected with and store device of air;
The weary wind admission line of described master is provided with valve A, and described valve A is electrically connected to central controller by valve positioner A; Described weary wind admission line for subsequent use is provided with valve B and valve C, described valve B is arranged on the side of the close total inlet pipe storing device of air breather pipe, described valve C is arranged on the opposite side storing device of air breather pipe, and described valve B and valve C correspondence is electrically connected to central controller by valve positioner B and valve positioner C; Described photovoltaic generation unit is electrically connected described central controller;
Described valve A is normally open valve door, and described valve B and valve C is normal closed gate.
The feature of technique scheme and improvement further:
Further, device of air breather pipe is stored described in the described air inlet storing device of air is connected by reservoir conduit, device of air breather pipe is stored described in the described gas outlet storing device of air is connected by discharge tube, described reservoir conduit is provided with gas storage control system, described discharge tube is provided with gas emission control system, and described gas storage control system and gas emission control system are electrically connected to central controller respectively.
Further, described photovoltaic generation unit is electrically connected to bus by grid-connected switch, and described grid-connected switch is electrically connected with described central controller.
Ventilation air gas comprehensive system for electric generation based on power factor examination of the present utility model, central controller is by controlling the switch of grid-connected switch, and then the access controlling photovoltaic generation unit and bus is whether; Central controller by the switch of by-pass valve control A, valve B and valve C, and then controls the air inflow of weary wind admission line; Air inflow is stablized further by storing device of air.This system can control power stage flexibly, utilize on maximized basis at ventilation air gas generating set, avoid on the one hand causing because the power factor that is incorporated into the power networks is too low occurring fine, utilize the regenerative resources such as photovoltaic on the other hand according to actual conditions as far as possible, improve efficiency of energy utilization, energy-saving and emission-reduction; This system the unification of comprehensive power factor can coordinate weary wind generating set and photovoltaic array, gives full play to technical advantage and the economic advantages of weary wind generating set and photovoltaic array entirety.
Accompanying drawing explanation
Fig. 1 is the structural representation of the ventilation air gas comprehensive system for electric generation based on power factor examination of the present utility model;
Fig. 2 is the workflow schematic diagram of the ventilation air gas comprehensive system for electric generation based on power factor examination of the present utility model;
Fig. 3 is the enlarged drawing of H part in Fig. 2;
Fig. 4 is the enlarged drawing of I part in Fig. 2;
In figure: 1, bus; 2, external electrical network; 3, gas electricity unit; 4, photovoltaic generation unit; 5, load; 6, grid-connected power meter scale; 7, central controller; 8, total inlet pipe road; 9, weary wind admission line is led; 10, weary wind admission line for subsequent use; 11, device of air is stored; 12, valve A; 13, valve positioner A; 14, valve B; 15, valve positioner B; 16, valve C; 17, valve positioner C; 18, reservoir conduit; 19, discharge tube; 20, gas storage control system; 21, gas emission control system; 22, grid-connected switch; 23, device of air breather pipe is stored.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
With reference to Fig. 1, it is the structural representation of the ventilation air gas comprehensive system for electric generation based on power factor examination of the present utility model; This ventilation air gas generation comprehensive energy resource system comprises and is connected to bus 1 respectively and is external electrical network 2 that load 5 powers, gas electricity unit 3 and photovoltaic generation unit 4 (photovoltaic array namely in figure); External electrical network 2 place is provided with for gathering and the grid-connected power meter scale 6 of site power information, and grid-connected power meter scale 6 is electrically connected with central controller 7.The also site power information that central controller 7 sends for receiving grid-connected power meter scale 6, and regulate and control the access state of gas electricity unit 3 and photovoltaic generation unit 4 and bus 1 according to the also site power information received.
Gas electricity unit 3 is connected with weary wind admission line, weary wind admission line comprises total inlet pipe road 8, main weary wind admission line 9 and weary wind admission line 10 for subsequent use, main weary wind admission line 9 and weary wind admission line 10 for subsequent use are connected to the arrival end in total inlet pipe road 8 side by side, and the gas outlet in total inlet pipe road 8 connects gas electricity unit 3; Weary wind admission line 10 for subsequent use is communicated with and stores device of air breather pipe 23, store device of air breather pipe 23 is connected with and store device of air 11; Store device of air 11 and can stock methane gas when air feed abundance, in order to during for unsaturated vapor; At pipeline gas pressure and flow not or there is no the situation of gas flow, store device of air 11 can work and discharge methane gas, make total system can support a period of time to maintain normal operation, for post-treatment operations has striven for the valuable time, the reliability of entire system and fail safe are promoted; Air inflow is stablized further by storing device of air 11.
Main weary wind admission line 9 is provided with valve A12, and valve A12 is electrically connected to central controller 7 by valve positioner A13; Weary wind admission line 10 for subsequent use is provided with valve B14 and valve C16, valve B14 is arranged on for subsequent use weary wind admission line 10 of the side in the close total inlet pipe road 8 storing device of air breather pipe 23, valve C16 is arranged on for subsequent use weary wind admission line 10 of the opposite side storing device of air breather pipe 23, and valve B14 and valve C16 correspondence is electrically connected to central controller 7 by valve positioner B15 and valve positioner C17; Central controller 7 by the switch of by-pass valve control A12, valve B14 and valve C16, and then controls the air inflow of weary wind admission line; Valve A12 is normally open valve door, and valve B14 and valve C16 is normal closed gate.
Photovoltaic generation unit 4 is electrically connected central controller 7, and central controller 7 regulates and controls the access state of photovoltaic generation unit 4 and bus 1.
Further, the air inlet storing device of air 11 stores device of air breather pipe 23 by reservoir conduit 18 connection, the gas outlet storing device of air 11 stores device of air breather pipe 23 by discharge tube 19 connection, reservoir conduit 18 is provided with gas storage control system 20, discharge tube 19 is provided with gas emission control system 21, gas storage control system 20 and gas emission control system 21 are electrically connected to central controller 7 respectively.
Further, photovoltaic generation unit 4 is electrically connected to bus 1 by grid-connected switch 22, and grid-connected switch 22 is electrically connected with central controller 7.Central controller 7 is by controlling the switch of grid-connected switch 22, and then the access controlling photovoltaic generation unit 4 and bus 1 whether.
Main weary wind admission line 9 and weary wind admission line for subsequent use 10 two passages are adopted to be gas electricity unit 3 air feed, effectively can increase air demand, realize high power operation and the efficiency utilization of gas electricity unit 3, and two pipelines can connect different air supply sources, more reliable in fail safe and air feed stability; Meanwhile, adopt two admission line air feed, and controlled respectively, power control can be realized more subtly in tolerance control.
With reference to Fig. 2, Fig. 3, Fig. 4, it is the workflow schematic diagram of the ventilation air gas comprehensive system for electric generation based on power factor examination of the present utility model; After said system puts into operation, grid-connected power meter scale 6 gathers and site power information, and transmits real-time also site power information, when central controller 7 obtains the power factor PF in this moment to central controller 7
tafter, judge and control operation:
1) as power factor PF
thigher than deadband upper limit value, valve A12 current state is full admission amount simultaneously, and weary wind admission line 10 air inflow for subsequent use is higher than minimum set point, then assign the instruction that valve positioner C17 opens valve C16 completely, then judge whether valve B14 opens:
If valve B14 does not open, then assign the instruction that valve positioner B15 opens valve B14;
If valve B14 opens, then judge whether valve B14 is full admission amount,
If valve B14 is not full admission amount, then assign the instruction that valve positioner B15 increases valve B14 air inflow, air inlet recruitment is 10% of current air inflow,
If valve B14 is full admission amount, then judge whether photovoltaic generation unit 4 drops into,
If photovoltaic generation unit 4 drops into, then maintain current air inflow,
If photovoltaic generation unit 4 does not drop into, then assign grid-connected switch 22 close command.
2) as power factor PF
thigher than deadband upper limit value, valve A12 current state is full admission amount simultaneously, and weary wind admission line 10 air inflow for subsequent use is lower than minimum set point, then assign the instruction of valve positioner C17 valve-off C16, whether emptyly then judges to store device of air 11 capacity,
If it is empty to store device of air 11 capacity, then assign the instruction of valve positioner B15 valve-off B14,
If store device of air 11 capacity for empty, then assign the instruction that valve positioner B15 opens valve B14 completely, then close gas storage control system 20, and open gas emission control system 21 and carry out methane gas discharge.
3) as power factor PF
thigher than deadband upper limit value, valve A12 current state is not full admission amount simultaneously, then assign the instruction that valve positioner A13 increases valve A12 air inflow, air inlet recruitment is 10% of current air inflow.
4) as power factor PF
tduring lower than deadband lower limit value, judge whether photovoltaic generation unit 4 drops into,
If photovoltaic generation unit 4 drops into, then assign grid-connected switch 22 open command,
If photovoltaic generation unit 4 does not drop into, then judge whether valve B14 opens;
If valve B14 does not open, then judge whether valve A12 current state is allow minimum air inflow,
If disconnected valve A12 current state allows minimum air inflow, then gas electricity unit 3 is standby,
If disconnected valve A12 current state is not allow minimum air inflow, then assign the instruction that valve positioner A13 reduces valve A12 air inflow, air inlet reduction is 15% of current air inflow;
If valve B14 opens, then assign the instruction of valve positioner B15 valve-off B14, then assign the instruction that valve positioner C17 opens valve C16 completely, whether fullly then judge to store device of air 11 capacity,
If it is full to store device of air 11 capacity, then closes gas storage control system 20 and gas emission control system 21, then assign the instruction of the complete valve-off C16 of valve positioner C17,
If store device of air 11 capacity less than, then close gas emission control system 21, and open gas storage control system 20 and carry out methane gas storage.
5) as power factor PF
tlower than deadband upper limit value, and during higher than deadband lower limit value, maintain current air inflow.
Although be below described embodiment of the present utility model by reference to the accompanying drawings, but the utility model is not limited to above-mentioned specific embodiments and applications field, above-mentioned specific embodiments is only schematic, guiding, instead of restrictive.Those of ordinary skill in the art is under the enlightenment of specification, and when not departing from the scope that the utility model claim is protected, can also make a variety of forms, these all belong to the row of the utility model protection.
Claims (3)
1. based on the ventilation air gas comprehensive system for electric generation of power factor examination, it is characterized in that: comprise and be connected to bus (1) respectively and be external electrical network (2), gas electricity unit (3) and the photovoltaic generation unit (4) that load (5) powers; Described external electrical network place is provided with for gathering and the grid-connected power meter scale (6) of site power information, and described grid-connected power meter scale (6) is electrically connected with central controller (7);
Described gas electricity unit (3) is connected with weary wind admission line, described weary wind admission line comprises total inlet pipe road (8), main weary wind admission line (9) and weary wind admission line (10) for subsequent use, and described master weary wind admission line (9) and weary wind admission line (10) for subsequent use are connected to the arrival end of total inlet pipe road (8) side by side; Described weary wind admission line (10) for subsequent use is communicated with and stores device of air breather pipe (23), described in store device of air breather pipe (23) is connected with and store device of air (11);
The weary wind admission line (9) of described master is provided with valve A (12), and described valve A (12) is electrically connected to central controller (7) by valve positioner A (13); Described weary wind admission line (10) for subsequent use is provided with valve B (14) and valve C (16), described valve B (14) is arranged on the side of the close total inlet pipe road (8) storing device of air breather pipe (23), described valve C (16) is arranged on the opposite side storing device of air breather pipe (23), and described valve B (14) and valve C (16) correspondence are electrically connected to central controller (7) by valve positioner B (15) and valve positioner C (17); Described photovoltaic generation unit (4) is electrically connected described central controller (7);
Described valve A (12) is normally open valve door, and described valve B (14) and valve C (16) are normal closed gate.
2. as claimed in claim 1 based on the ventilation air gas comprehensive system for electric generation of power factor examination, it is characterized in that: described in store device of air (11) air inlet connected by reservoir conduit (18) described in store device of air breather pipe (23), device of air breather pipe (23) is stored described in the described gas outlet storing device of air (11) is connected by discharge tube (19), described reservoir conduit (18) is provided with gas storage control system (20), described discharge tube (19) is provided with gas emission control system (21), described gas storage control system (20) and gas emission control system (21) are electrically connected to central controller (7) respectively.
3. as claimed in claim 1 or 2 based on the ventilation air gas comprehensive system for electric generation of power factor examination, it is characterized in that: described photovoltaic generation unit (4) is electrically connected to bus (1) by grid-connected switch (22), described grid-connected switch (22) is electrically connected with described central controller (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520728724.8U CN205051353U (en) | 2015-09-20 | 2015-09-20 | Ventilation air methane integrated system that generates electricity based on power factor examination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520728724.8U CN205051353U (en) | 2015-09-20 | 2015-09-20 | Ventilation air methane integrated system that generates electricity based on power factor examination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205051353U true CN205051353U (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520728724.8U Expired - Fee Related CN205051353U (en) | 2015-09-20 | 2015-09-20 | Ventilation air methane integrated system that generates electricity based on power factor examination |
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| CN (1) | CN205051353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186534A (en) * | 2015-09-20 | 2015-12-23 | 陕西华泰汇丰能源科技有限公司 | Ventilation air methane integrated power generation system based on power factor examination and control method thereof |
-
2015
- 2015-09-20 CN CN201520728724.8U patent/CN205051353U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105186534A (en) * | 2015-09-20 | 2015-12-23 | 陕西华泰汇丰能源科技有限公司 | Ventilation air methane integrated power generation system based on power factor examination and control method thereof |
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| 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: 20160224 Termination date: 20210920 |
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| CF01 | Termination of patent right due to non-payment of annual fee |