CN108097691A - Supercritical carbon dioxide Brayton cycle power generation settings ventilating system and method - Google Patents
Supercritical carbon dioxide Brayton cycle power generation settings ventilating system and method Download PDFInfo
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- CN108097691A CN108097691A CN201810085598.7A CN201810085598A CN108097691A CN 108097691 A CN108097691 A CN 108097691A CN 201810085598 A CN201810085598 A CN 201810085598A CN 108097691 A CN108097691 A CN 108097691A
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- ventilator cowling
- equipment
- carbon dioxide
- gas
- supervisor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/002—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using a central suction system, e.g. for collecting exhaust gases in workshops
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- Air Conditioning Control Device (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a kind of supercritical carbon dioxide Brayton cycle power generation settings ventilating system and methods, including chimney, control system, perform system, supervisor's ventilation trunking and several equipment ventilator cowlings；The side of each equipment ventilator cowling is provided with inlet scoop, air outlet is provided at the top of each equipment ventilator cowling, carbon dioxide monitoring equipment is provided in equipment ventilator cowling, first temperature sensor and pressure sensor, first gas flowmeter and the first regulating valve are provided at the air outlet of equipment ventilator cowling, wherein, the air outlet of each equipment ventilator cowling is connected with being responsible for the entrance of ventilation trunking, the outlet of supervisor's ventilation trunking is connected with chimney, the second regulating valve is provided on supervisor's ventilation trunking, air-introduced machine, second temperature sensor and second gas flowmeter, the system and method can improve the working environment of supercritical carbon dioxide Brayton cycle generating equipment, personal injury accident caused by preventing when carbon dioxide leaks.
Description
Technical field
The invention belongs to field of renewable energy resource utilization, are related to a kind of supercritical carbon dioxide Brayton cycle power generation settings
Ventilating system and method.
Background technology
There are three types of modes for the power generation means mainly used in the world at present：Thermal power generation, hydroelectric generation and nuclear energy power generation.This
Three kinds of power generation means to environment more or less all there are it is certain the problem of, in not welding, do not increase the condition of cost of investment
Under, increase power generation capacity by finding other regenerative resources, improving generating efficiency becomes an extremely urgent demand.
Supercritical fluid technique is widely used in recent years, is sent out using supercritical carbon dioxide Brayton Cycle system
Electricity, generating efficiency are significantly better than traditional steam Rankine cycle electricity generation system, meanwhile, equipment size scale is compared with tradition
Electricity generation system reduces, and initial cost reduces.Carbon dioxide (CO2) due to its critical pressure rather moderate, there is preferable stability,
The property of inert gas and the characteristics such as its nontoxic, rich reserves, naturally occurring are shown in certain temperature range, are recognized
To be most one of the energy transmission of application prospect and energy transformation working medium.
However, in supercritical carbon dioxide Brayton cycle electricity generation system, compressor has high rotating speed, high pressure, and
Steam turbine has high temperature, high rotating speed and high pressure, the two rotating machineries are for traditional compressor and steam turbine to close
Envelope requires higher, design difficulty bigger, and the amount of leakage for generating carbon dioxide is even more serious compared with for traditional equipment.If in titanium dioxide
In the event of leaking, substantial amounts of carbon dioxide is released, spread around for compressor, steam turbine equipment in carbon power plant system,
It can not well be controlled as vapor, simultaneously as its concentration, which crosses conference, causes people's death by suffocation, it certainly will be to week
The life of collarette people from border damages, and the consequence brought is unimaginable.
The content of the invention
The shortcomings that it is an object of the invention to overcome the above-mentioned prior art, provides a kind of supercritical carbon dioxide Bretton
Circulating generation environment ventilation system and method, the system and method can improve the power generation of supercritical carbon dioxide Brayton cycle and set
Standby working environment, personal injury accident caused by preventing when carbon dioxide leaks.
In order to achieve the above objectives, supercritical carbon dioxide Brayton cycle power generation settings ventilating system bag of the present invention
Include chimney, control system, execution system, supervisor's ventilation trunking and several equipment ventilator cowlings；
The side of each equipment ventilator cowling is provided with inlet scoop, is provided with air outlet at the top of each equipment ventilator cowling, equipment is led to
It is provided in fan housing and leads to for the carbon dioxide monitoring equipment of gas concentration lwevel in detection device ventilator cowling, for detection device
First temperature sensor of wind case temperature and the pressure sensor for air pressure in detection device ventilator cowling, equipment ventilator cowling
Air outlet at be provided with for the first gas flowmeter and the first regulating valve of detection device ventilator cowling exit gas flow,
Wherein, the air outlet of each equipment ventilator cowling is connected with being responsible for the entrance of ventilation trunking, is responsible for outlet and the cigarette of ventilation trunking
Chimney is connected, and is responsible on ventilation trunking and is provided with the second regulating valve, air-introduced machine, is responsible for gas temperature in ventilation trunking for detecting
Second temperature sensor and for detect supervisor ventilation trunking in gas flow second gas flowmeter, wherein, second
Carbon dioxide monitoring equipment in the output terminal of temperature sensor, the output terminal of second gas flowmeter and each equipment ventilator cowling
Output terminal, the output terminal of the first temperature sensor, the output terminal of pressure sensor and first gas flowmeter output terminal with
The input terminal of control system is connected, and the output terminal of control system is by performing control terminal, the air inducing of system and the second regulating valve
The control terminal of the first regulating valve is connected at air outlet in the control terminal of machine and each equipment ventilator cowling.
Bypass ventilation trunking is further included, wherein, bypass ventilation trunking is connected with being responsible for the entrance of ventilation trunking.
The 3rd regulating valve is provided on bypass ventilation trunking, wherein, control system is by performing system and the 3rd regulating valve
Control terminal be connected.
Each equipment ventilator cowling is positioned on ground.
Supercritical carbon dioxide Brayton cycle power generation settings ventilating system method of the present invention comprises the following steps：
Supercritical carbon dioxide Brayton cycle generating equipment to be divulged information is positioned in equipment ventilator cowling；
The gas concentration lwevel information of gas in carbon dioxide monitoring equipment real-time watch device ventilator cowling, and will detect
To equipment ventilator cowling in gas concentration lwevel information be sent in control system；First temperature sensor care testing device
The temperature information of gas in ventilator cowling, and the temperature information of gas in equipment ventilator cowling is sent in control system；Pressure passes
Pressure information in sensor care testing device ventilator cowling, and the pressure information in equipment ventilator cowling is sent to control system
In；The flow information of gas at the air outlet of first gas flowmeter care testing device ventilator cowling, and by equipment ventilator cowling
The flow information of gas is sent in control system at air outlet；Gas in second temperature sensor detection supervisor's ventilation trunking
Temperature information, and the temperature information for being responsible for gas in ventilation trunking is sent in control system, the detection of second gas flowmeter
The flow information of gas in ventilation trunking is responsible for, and the flow information for being responsible for gas in ventilation trunking is sent to control system
In；
When the gas concentration lwevel in any appliance ventilator cowling is more than preset concentration, control system is by performing system control
The first regulating valve at the equipment ventilator cowling air outlet is made, increases the aperture of the first regulating valve at the equipment ventilator cowling air outlet,
To increase the negative pressure in the equipment ventilator cowling, excessive carbon dioxide is drained into chimney from air-introduced machine out of this equipment ventilator cowling
In；When the temperature being responsible in ventilation trunking is more than or equal to preset temperature, control system opens the 3rd adjusting by performing system
The air bypassed in ventilation trunking is introduced into supervisor's ventilation trunking, realizes the cooling to being responsible for ventilation trunking by valve.
The invention has the advantages that：
Supercritical carbon dioxide Brayton cycle power generation settings ventilating system and method for the present invention are in concrete operations
When, it is realized by carbon dioxide monitoring equipment, pressure sensor and the first temperature sensor to the titanium dioxide in equipment ventilator cowling
Concentration of carbon, air pressure and gas temperature are monitored；It is realized by first gas flowmeter to the gas at equipment ventilator cowling air outlet
Body flow is monitored；It is realized by second temperature sensor and second gas flowmeter to the gas temperature in supervisor's ventilation trunking
Degree and flow are monitored；When the gas concentration lwevel in equipment ventilator cowling is more than or equal to preset concentration, then first is adjusted
Valve is adjusted to maximum opening, to reduce the gas concentration lwevel in equipment ventilator cowling, so as to effectively improve the work of operating space
Environment prevents carbon dioxide from assembling, and avoids scene that personal injury accident occurs, and realizes that monitoring is integrated with discharge automatic
Control.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Wherein, 1 it is air outlet, 2 be inlet scoop, 3 be second temperature sensor, 4 be equipment ventilator cowling, 5 is the first adjusting
Valve, 6 be carbon dioxide monitoring equipment, 7 be ground, 8 be supercritical carbon dioxide Brayton cycle generating equipment, 9 be the 3rd adjust
Section valve, 10 be execution system, 11 be second gas flowmeter, 12 be pressure sensor, 13 be the first temperature sensor, 14 be the
One gas flowmeter, 15 be air-introduced machine, 16 be supervisor's ventilation trunking, 17 be chimney, 18 be bypass ventilation trunking, 19 be in order to control
System, 20 are the second regulating valve.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings：
With reference to figure 1, supercritical carbon dioxide Brayton cycle power generation settings ventilating system of the present invention includes chimney
17th, control system 19, execution system 10, supervisor's ventilation trunking 16 and several equipment ventilator cowlings 4；The side of each equipment ventilator cowling 4
Inlet scoop 2 is provided with, the top of each equipment ventilator cowling 4 is provided with air outlet 1, is provided in equipment ventilator cowling 4 and is set for detecting
The carbon dioxide monitoring equipment 6 of gas concentration lwevel, the first temperature for temperature in detection device ventilator cowling 4 in standby ventilator cowling 4
Sensor 13 and the pressure sensor 12 for air pressure in detection device ventilator cowling 4 are spent, at the air outlet 1 of equipment ventilator cowling 4
14 and first regulating valve 5 of first gas flowmeter for 4 exit gas flow of detection device ventilator cowling is provided with, wherein,
The air outlet 1 of each equipment ventilator cowling 4 is connected with being responsible for the entrance of ventilation trunking 16, is responsible for outlet and the cigarette of ventilation trunking 16
Chimney 17 is connected, and is responsible on ventilation trunking 16 and is provided with the second regulating valve 20, air-introduced machine 15, is responsible for ventilation trunking 16 for detecting
The second temperature sensor 3 of interior gas temperature and the second gas flow for detecting gas flow in supervisor's ventilation trunking 16
Meter 11, wherein, in the output terminal of second temperature sensor 3, the output terminal of second gas flowmeter 11 and each equipment ventilator cowling 4
The output terminal of carbon dioxide monitoring equipment 6, the output terminal of the first temperature sensor 13, the output terminal and first of pressure sensor 12
Input terminal of the output terminal of gas flowmeter 14 with control system 19 is connected, and the output terminal of control system 19 is by performing system
System 10 on the control terminal of the second regulating valve 20, the control terminal of air-introduced machine 15 and each equipment ventilator cowling 4 at air outlet 1 with first adjusting
The control terminal of valve 5 is connected.
Present invention additionally comprises bypass ventilation trunking 18, wherein, bypass ventilation trunking 18 and the entrance for being responsible for ventilation trunking 16
It is connected.
The 3rd regulating valve 9 is provided on bypass ventilation trunking 18, wherein, control system 19 is by performing system 10 and the 3rd
The control terminal of regulating valve 9 is connected.
Each equipment ventilator cowling 4 is positioned on ground 7.
Supercritical carbon dioxide Brayton cycle power generation settings ventilating system method of the present invention comprises the following steps：
Supercritical carbon dioxide Brayton cycle generating equipment 8 to be divulged information is positioned in equipment ventilator cowling 4；
The gas concentration lwevel information of gas in 6 real-time watch device ventilator cowling 4 of carbon dioxide monitoring equipment, and will detection
The obtained gas concentration lwevel information in equipment ventilator cowling 4 is sent in control system 19；First temperature sensor 13 is in real time
The temperature information of gas in detection device ventilator cowling 4, and the temperature information of gas in equipment ventilator cowling 4 is sent to control system
In 19；Pressure information in 12 care testing device ventilator cowling 4 of pressure sensor, and by the pressure information in equipment ventilator cowling 4
It is sent in control system 19；The flow letter of gas at the air outlet 1 of 14 care testing device ventilator cowling 4 of first gas flowmeter
Breath, and the flow information of gas at the air outlet 1 of equipment ventilator cowling 4 is sent in control system 19；Second temperature sensor 3
The temperature information of gas in detection supervisor's ventilation trunking 16, and the temperature information for being responsible for gas in ventilation trunking 16 is sent to control
In system 19 processed, the flow information of gas in the detection supervisor's ventilation trunking 16 of second gas flowmeter 11, and supervisor's ventilation is managed
The flow information of gas is sent in control system 19 in line 16；
When the gas concentration lwevel in any appliance ventilator cowling 4 is more than preset concentration, control system 19 is by performing system
System 10 controls the first regulating valve 5 at 4 air outlet 1 of equipment ventilator cowling, increases at 4 air outlet 1 of equipment ventilator cowling first and adjusts
The aperture of valve 5 is saved, to increase the negative pressure in the equipment ventilator cowling 4, excessive carbon dioxide is from air inducing out of this equipment ventilator cowling 4
Machine 15 is drained into chimney 17；When the temperature being responsible in ventilation trunking 16 is more than or equal to preset temperature, control system 19 passes through
Execution system 10 opens the 3rd regulating valve 9, and the air bypassed in ventilation trunking 18 is introduced into supervisor's ventilation trunking 16, is realized
To being responsible for the cooling of ventilation trunking 16.
It should be noted that the supercritical carbon dioxide Brayton cycle generating equipment 8 includes compressor, turbine and changes
Hot device.
The present invention in specific application, is let out when carbon dioxide occurs in supercritical carbon dioxide Brayton cycle generating equipment 8
During leakage, then by adjusting the aperture of the first regulating valve 5, by the CO2 emission of leakage into chimney 17, so that overcritical
Carbon dioxide Brayton cycle generating equipment 8 is run more safe and reliable.
Claims (5)
1. a kind of supercritical carbon dioxide Brayton cycle power generation settings ventilating system, which is characterized in that including chimney (17), control
System (19) processed performs system (10), supervisor's ventilation trunking (16) and several equipment ventilator cowlings (4)；
The side of each equipment ventilator cowling (4) is provided with inlet scoop (2), and air outlet is provided at the top of each equipment ventilator cowling (4)
(1), it is provided in equipment ventilator cowling (4) and is set for the carbon dioxide monitoring of detection device ventilator cowling (4) interior gas concentration lwevel
Standby (6), for first temperature sensor (13) of detection device ventilator cowling (4) interior temperature and for detection device ventilator cowling
(4) pressure sensor (12) of interior air pressure is provided with for detection device ventilator cowling at the air outlet (1) of equipment ventilator cowling (4)
(4) the first gas flowmeter (14) of exit gas flow and the first regulating valve (5), wherein, each equipment ventilator cowling (4) go out
Entrance of the air port (1) with supervisor's ventilation trunking (16) is connected, and the outlet of supervisor's ventilation trunking (16) is connected with chimney (17)
It is logical, the second regulating valve (20), air-introduced machine (15) are provided on supervisor's ventilation trunking (16), is responsible for ventilation trunking (16) for detecting
The second temperature sensor (3) of interior gas temperature and the second gas for detecting supervisor's ventilation trunking (16) interior gas flow
Flowmeter (11), wherein, it the output terminal of second temperature sensor (3), the output terminal of second gas flowmeter (11) and respectively sets
Output terminal, output terminal, the pressure sensing of the first temperature sensor (13) of the interior carbon dioxide monitoring equipment (6) of standby ventilator cowling (4)
The input terminal of the output terminal of device (12) and the output terminal of first gas flowmeter (14) with control system (19) is connected, control
The output terminal of system (19) by perform the control terminal of system (10) and the second regulating valve (20), the control terminal of air-introduced machine (15) and
The control terminal of the first regulating valve (5) is connected at air outlet (1) on each equipment ventilator cowling (4).
2. supercritical carbon dioxide Brayton cycle power generation settings ventilating system according to claim 1, which is characterized in that
Bypass ventilation trunking (18) is further included, wherein, bypass ventilation trunking (18) is connected with the entrance of supervisor's ventilation trunking (16).
3. supercritical carbon dioxide Brayton cycle power generation settings ventilating system according to claim 2, which is characterized in that
The 3rd regulating valve (9) is provided on bypass ventilation trunking (18), wherein, control system (19) is by performing system (10) and the 3rd
The control terminal of regulating valve (9) is connected.
4. supercritical carbon dioxide Brayton cycle power generation settings ventilating system according to claim 1, which is characterized in that
Each equipment ventilator cowling (4) is positioned on ground (7).
A kind of 5. supercritical carbon dioxide Brayton cycle power generation settings ventilating system method, which is characterized in that will based on right
The supercritical carbon dioxide Brayton cycle power generation settings ventilating system described in 3 is sought, is comprised the following steps：
Supercritical carbon dioxide Brayton cycle generating equipment (8) to be divulged information is positioned in equipment ventilator cowling (4)；
The gas concentration lwevel information of carbon dioxide monitoring equipment (6) real-time watch device ventilator cowling (4) interior gas, and will detection
The obtained gas concentration lwevel information in equipment ventilator cowling (4) is sent in control system (19)；First temperature sensor
(13) temperature information of care testing device ventilator cowling (4) interior gas, and the temperature information of equipment ventilator cowling (4) interior gas is sent out
It send into control system (19)；Pressure information in pressure sensor (12) care testing device ventilator cowling (4), and equipment is led to
Pressure information in fan housing (4) is sent in control system (19)；First gas flowmeter (14) care testing device ventilator cowling
(4) flow information of gas at air outlet (1), and the flow information of gas at the air outlet (1) of equipment ventilator cowling (4) is sent out
It send into control system (19)；The temperature information of second temperature sensor (3) detection supervisor's ventilation trunking (16) interior gas, and will
The temperature information of supervisor's ventilation trunking (16) interior gas is sent in control system (19), second gas flowmeter (11) detection master
The flow information of pipe ventilation trunking (16) interior gas, and the flow information for being responsible for ventilation trunking (16) interior gas is sent to control
In system (19)；
When the gas concentration lwevel in any appliance ventilator cowling (4) is more than preset concentration, control system (19) is by performing system
System (10) controls the first regulating valve (5) at equipment ventilator cowling (4) air outlet (1), increases equipment ventilator cowling (4) air outlet
(1) aperture of the first regulating valve (5) to increase the negative pressure in the equipment ventilator cowling (4), makes equipment ventilator cowling (4) the interior mistake
The carbon dioxide of amount is drained into from air-introduced machine (15) in chimney (17)；When the temperature in supervisor's ventilation trunking (16) is more than or equal in advance
It, will be in bypass ventilation trunking (18) if during temperature, control system (19) opens the 3rd regulating valve (9) by performing system (10)
Air is introduced into supervisor's ventilation trunking (16), realizes the cooling to supervisor's ventilation trunking (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810085598.7A CN108097691A (en) | 2018-01-29 | 2018-01-29 | Supercritical carbon dioxide Brayton cycle power generation settings ventilating system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810085598.7A CN108097691A (en) | 2018-01-29 | 2018-01-29 | Supercritical carbon dioxide Brayton cycle power generation settings ventilating system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108097691A true CN108097691A (en) | 2018-06-01 |
Family
ID=62221173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810085598.7A Pending CN108097691A (en) | 2018-01-29 | 2018-01-29 | Supercritical carbon dioxide Brayton cycle power generation settings ventilating system and method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9915876D0 (en) * | 1998-07-08 | 1999-09-08 | Barry William | Improvements in and relating to workbenches |
| CN102765822A (en) * | 2012-07-17 | 2012-11-07 | 上海应用技术学院 | Carbon dioxide collector for sewage treatment |
| CN202933916U (en) * | 2012-11-21 | 2013-05-15 | 天津三苑印刷有限公司 | Device for preventing ammonia from being emitted from front part of blueprinting machine to cause pollution |
| CN203699276U (en) * | 2014-02-28 | 2014-07-09 | 成都先进功率半导体股份有限公司 | Epoxy resin dust adsorption device |
| CN104667741A (en) * | 2015-02-05 | 2015-06-03 | 安徽中雷环保科技有限公司 | Waste gas treatment system for waste transfer station |
| CN208050547U (en) * | 2018-01-29 | 2018-11-06 | 西安热工研究院有限公司 | Supercritical carbon dioxide Brayton cycle power generation settings ventilating system |
-
2018
- 2018-01-29 CN CN201810085598.7A patent/CN108097691A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9915876D0 (en) * | 1998-07-08 | 1999-09-08 | Barry William | Improvements in and relating to workbenches |
| CN102765822A (en) * | 2012-07-17 | 2012-11-07 | 上海应用技术学院 | Carbon dioxide collector for sewage treatment |
| CN202933916U (en) * | 2012-11-21 | 2013-05-15 | 天津三苑印刷有限公司 | Device for preventing ammonia from being emitted from front part of blueprinting machine to cause pollution |
| CN203699276U (en) * | 2014-02-28 | 2014-07-09 | 成都先进功率半导体股份有限公司 | Epoxy resin dust adsorption device |
| CN104667741A (en) * | 2015-02-05 | 2015-06-03 | 安徽中雷环保科技有限公司 | Waste gas treatment system for waste transfer station |
| CN208050547U (en) * | 2018-01-29 | 2018-11-06 | 西安热工研究院有限公司 | Supercritical carbon dioxide Brayton cycle power generation settings ventilating system |
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