CN109372601A - A kind of Distributed Integration energy supplying system recycling ventilating gas - Google Patents
A kind of Distributed Integration energy supplying system recycling ventilating gas Download PDFInfo
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- CN109372601A CN109372601A CN201810876396.4A CN201810876396A CN109372601A CN 109372601 A CN109372601 A CN 109372601A CN 201810876396 A CN201810876396 A CN 201810876396A CN 109372601 A CN109372601 A CN 109372601A
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- 230000010354 integration Effects 0.000 title claims abstract description 21
- 238000004064 recycling Methods 0.000 title claims abstract description 18
- 239000007789 gas Substances 0.000 claims abstract description 138
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000003546 flue gas Substances 0.000 claims abstract description 37
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 36
- 230000003647 oxidation Effects 0.000 claims abstract description 35
- 238000002156 mixing Methods 0.000 claims abstract description 30
- 239000002918 waste heat Substances 0.000 claims abstract description 30
- 238000010521 absorption reaction Methods 0.000 claims abstract description 28
- 238000005057 refrigeration Methods 0.000 claims abstract description 24
- 238000001816 cooling Methods 0.000 claims abstract description 22
- 238000010248 power generation Methods 0.000 claims abstract description 19
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 28
- 238000000605 extraction Methods 0.000 claims description 23
- 230000001172 regenerating effect Effects 0.000 claims description 12
- 230000018044 dehydration Effects 0.000 claims description 9
- 238000006297 dehydration reaction Methods 0.000 claims description 9
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 238000005338 heat storage Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000003245 coal Substances 0.000 abstract description 22
- 238000009423 ventilation Methods 0.000 abstract description 9
- 238000005065 mining Methods 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000005431 greenhouse gas Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
- F01K11/02—Plants characterised by the engines being structurally combined with boilers or condensers the engines being turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K17/00—Using steam or condensate extracted or exhausted from steam engine plant
- F01K17/02—Using steam or condensate extracted or exhausted from steam engine plant for heating purposes, e.g. industrial, domestic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
Abstract
The present invention relates to a kind of Distributed Integration energy supplying systems for recycling ventilating gas, including gas blending feed system, change-over valve group, ventilated gas oxidation device, waste heat boiler and steam turbine power generation and heat supply system and flue gas type absorption refrigeration machine cooling system；Gas blending feed system is connect by change-over valve group with ventilated gas oxidation device；Ventilated gas oxidation device is connect by high temperature bleed air line with waste heat boiler and steam turbine power generation and heat supply system, for by waste heat boiler and steam turbine power generation and heat supply system is powered and heat supply；Ventilated gas oxidation device is by high temperature bleed branch and flue gas type absorption refrigeration machine cooling system, for carrying out cooling supply by flue gas type absorption refrigeration machine cooling system.The present invention had both solved the Utilizing question of waste air ventilation gas, improved the enthusiasm and awareness of safety of coal field mine ventilation, while realizing energy recovery utilization, solved the economic with energy demand of isolated island moulded coal mining area.
Description
Technical field
The invention belongs to coal mine gas emission reduction and distributed energy resource system fields more particularly to a kind of recycle to lead to
The Distributed Integration energy supplying system of wind gas.
Background technique
The gas total amount being discharged in coal in China recovery process is more than 20,000,000,000 m3, wherein 70% is by coalmine ventilation watt
This discharge, methane total amount are equivalent to the displacement of transfering natural gas from the west to the east 1 year.It is provided according to " safety regulations in coal mine ", ventilating gas
Concentration must be lower than 0.75%, and with the continuous promotion of coal mining enterprise's awareness of safety, coal mine in actual operation, is generallyd use big
Power ventilation blower, so that the gas density of ventilation well head is further decreased to 0.3% or less.The ventilating gas of above-mentioned low concentration
Gas is difficult to directly burn very big using processing difficulty.In addition, coal field is typically remote from inner city, bulk power grid and concentration heat
Net solves the economy deficiency of coal field energy demand, and a kind of isolated island pattern is presented in coal field in the demand and supply of the energy,
Therefore, self-centered supply of cooling, heating and electrical powers system is designed using a large amount of free methane gas discharged in process of coal mining
It unites significant for coal mine.
Regenerative oxidation technology is important, the most with prospects technology of current processing ventilating gas.Regenerative oxidation device
In actual operation, ventilating gas methane concentration is too low and fluctuation is big, is unfavorable for the stable operation of oxidation unit；And it considers
The energy supply demand such as hot and cold, electric blends the higher mash gas extraction of methane concentration usually in the extremely low ventilating gas gas of concentration
(8~30%) guarantee that methane gas concentration maintains more stable numerical value, and after gas density improves, oxidation unit can produce can
The high temperature gas temperature and flow of control, there are also remaining thermal energy can be subject to benefit on the basis of realizing the stable operation of regenerative oxidation device
With, wherein installing pipe heat exchanger heat hot water additional in oxidation unit is a kind of relatively conventional scheme, and the program is to entrance
The stability requirement of gas density is higher, is typically only capable to operate in design concentration and hereinafter, gas density fluctuation is easy when increasing
Pipeline ablation is caused, and this method can not achieve the cascade utilization of smoke temperature, is chiefly used in single heating system.
Summary of the invention
The object of the present invention is to provide a kind of Distributed Integration energy supplying systems for recycling ventilating gas, realize to coal
The super low concentration ventilating gas of mining area discharge recycles, and reduces greenhouse gas emission, meanwhile, pass through high temperature bleed step benefit
With the purpose of the power generation of the system of realization, heat supply and cooling supply.
The present invention provides a kind of Distributed Integration energy supplying systems for recycling ventilating gas, including gas blending to supply
It is inhaled to system, change-over valve group, ventilated gas oxidation device, waste heat boiler and steam turbine power generation and heat supply system and flue gas type
Receipts formula refrigeration mechanism cooling system；
Gas blending feed system is connect by change-over valve group with ventilated gas oxidation device, for being ventilating gas
Oxidation unit is provided by the methane gas after mash gas extraction and ventilating gas blending；
Ventilated gas oxidation device is connected by high temperature bleed air line and waste heat boiler and steam turbine power generation and heat supply system
It connects, for being provided by high temperature bleed, heat source is to waste heat boiler and steam turbine power generation and heat supply system is powered and heat supply；
Ventilated gas oxidation device is by high temperature bleed branch and flue gas type absorption refrigeration machine cooling system, for leading to
High temperature bleed offer heat source is provided and carries out cooling supply to flue gas type absorption refrigeration machine cooling system.
Further, gas blending feed system includes mash gas extraction pipeline, ventilating gas pipeline and mixing device, is taken out
The inlet side of mash gas pipeline is successively arranged hand off valve, the first dedusting dehydration dress for connecting with mash gas extraction pumping plant
It sets, fast cut valve door and flow control valve；The inlet side of ventilating gas pipeline is used to export with ventilating gas and connect, and is equipped with electronic
Switch butterfly valve；The inlet side of the outlet and mixing device of mash gas extraction pipeline and ventilating gas pipeline connects, the outlet of mixing device
It is connect by the second dedusting dehydration device with change-over valve group.
Further, ventilated gas oxidation device includes that the bilateral regenerative chamber separated by insulated wall and combustion chamber form, and is stored
Hot cell is filled with honeycomb type heat storage.
Further, waste heat boiler and steam turbine power generation and heat supply system include waste heat boiler and steam turbine, waste heat pot
The inlet side of furnace is connect with high temperature bleed air line, and outlet is connected with hand off valve, electric control valve and waste heat boiler air inducing in turn
Machine；
Steam turbine is connect by steam pipework with waste heat boiler, and is powered by generator connected to it；It steams
Steam turbine is connect by steam pipework with heat exchange station, carries out heat supply by heat exchange station.
Further, steam turbine uses condensing-type steam turbine and back pressure steam turbine combination.
Further, ventilated gas oxidation device connects gas exhaust piping by change-over valve group, and gas exhaust piping is equipped with air inducing
Machine.
Further, flue gas type absorption refrigeration machine cooling system includes flue gas type Absorption Refrigerator, and flue gas type absorbs
The inlet side of formula refrigeration machine and high temperature bleed branch and draw cold exhaust piping connection；High temperature bleed branch with draw cold exhaust pipeline phase
Even, for blend form flue gas type Absorption Refrigerator needed for warm area flue gas；The outlet of flue gas type Absorption Refrigerator is successively
It is connected with hand off valve, electric control valve and refrigeration air-introduced machine；Draw cold exhaust pipeline to connect with gas exhaust piping, draws cold exhaust
Pipeline is equipped with electric control valve.
Further, high temperature bleed air line and high temperature bleed branch routing high temperature resistant pouring material pour, and outside, which is equipped with, to be protected
Warm layer.
According to the above aspect of the present invention, it is logical both to have solved exhaust gas by the Distributed Integration energy supplying system for recycling ventilating gas
The Utilizing question of wind gas, improves the enthusiasm and awareness of safety of coal field mine ventilation, while realizing energy recovery benefit
With economic use for solving isolated island moulded coal mining area can demand.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram for the Distributed Integration energy supplying system for recycling ventilating gas of the present invention；
Fig. 2 is a kind of Distributed Integration energy supplying system ventilated gas oxidation device for recycling ventilating gas of the present invention
Structural schematic diagram.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
Join and present embodiments provides a kind of Distributed Integration energy supply system for recycling ventilating gas shown in Fig. 1 and Fig. 2
System, including gas blending feed system, change-over valve group 2, ventilated gas oxidation device 3, waste heat boiler and steam turbine power generation
Heating system and flue gas type absorption refrigeration machine cooling system；
Gas blending feed system is connect by change-over valve group 2 with ventilated gas oxidation device 3, for being ventilating tile
This oxidation unit 3 is provided by the methane gas after mash gas extraction and ventilating gas blending；
Ventilated gas oxidation device 3 passes through high temperature bleed air line 41 and waste heat boiler and steam turbine power generation and heat supply system
Connection, for being provided by high temperature bleed, heat source is to waste heat boiler and steam turbine power generation and heat supply system is powered and heat supply；
Ventilated gas oxidation device 3 is used for by high temperature bleed branch 51 and flue gas type absorption refrigeration machine cooling system
Heat source, which is provided, by high temperature bleed carries out cooling supply to flue gas type absorption refrigeration machine cooling system.
By the Distributed Integration energy supplying system, both solved the Utilizing question of waste air ventilation gas, and improved coal field
The enthusiasm and awareness of safety of mine ventilation, while energy recovery utilization is realized, it solves the economic of isolated island moulded coal mining area and uses
It can demand.
In the present embodiment, gas blending feed system includes mash gas extraction pipeline, ventilating gas pipeline and mixing device
16, the inlet side of mash gas extraction pipeline is successively arranged hand off valve 11, the first dedusting for connecting with mash gas extraction pumping plant
Dehydration device 12, fast cut valve door 13 and flow control valve 14；The inlet side of ventilating gas pipeline, which is used to export with ventilating gas, to be connected
It connects, and is equipped with motor switch butterfly valve 15；The inlet side of the outlet of mash gas extraction pipeline and ventilating gas pipeline and mixing device 16 connects
It connects, the outlet of mixing device 16 is connect by the second dedusting dehydration device 17 with change-over valve group 2.
In the present embodiment, ventilated gas oxidation device 3 includes bilateral regenerative chamber (the first storage separated by insulated wall 32
Hot cell 33, the second regenerative chamber 34) and the composition of combustion chamber 31, regenerative chamber is filled with honeycomb type heat storage (the first honeycomb type heat storage
35, the second honeycomb type heat storage 36).Multiple regenerative chambers can be set according to the actual situation.
In the present embodiment, waste heat boiler and steam turbine power generation and heat supply system include waste heat boiler 42 and steam turbine
46, the inlet side of waste heat boiler 42 is connect with high temperature bleed air line 41, and outlet is connected with hand off valve 43, motorized adjustment in turn
Valve 44 and waste heat boiler air-introduced machine 45；High temperature amount of air entrainment is adjusted by line end frequency converting induced draft fan 45.
Steam turbine 46 is connect by steam pipework with waste heat boiler 42, and is carried out by generator 47 connected to it
Power supply (waste heat boiler producing steam pushing turbine acting power generation)；Steam turbine 46 is connect by steam pipework with heat exchange station 48,
Heat supply is carried out by heat exchange station 48.
In the present embodiment, according to user's thermoelectricity demand ratio, steam turbine 46 uses condensing-type steam turbine and back pressure type
Steam turbine combination.
In the present embodiment, ventilated gas oxidation device 3 connects gas exhaust piping 61, gas exhaust piping by change-over valve group 3
61 are equipped with air-introduced machine 62.Refrigeration system exhaust gas volumn is by 62 frequency control of flue gas pipeline end air-introduced machine.
In the present embodiment, flue gas type absorption refrigeration machine cooling system includes flue gas type Absorption Refrigerator 54, flue gas
The inlet side of type Absorption Refrigerator and high temperature bleed branch 51 and draws cold exhaust pipeline 52 and connect；High temperature bleed branch 51 with draw
Cold exhaust pipeline 52 be connected, for blend form flue gas type Absorption Refrigerator 54 needed for warm area flue gas；Flue gas type is absorption
The outlet of refrigeration machine 54 is connected with hand off valve 55, electric control valve 56 and refrigeration air-introduced machine 57 in turn；Draw cold exhaust pipeline
52 connect with gas exhaust piping 61, draw cold exhaust pipeline 2 equipped with electric control valve 53.High temperature bleed air line 41 and high temperature bleed branch
Road 51 is not provided with high temperature shutdown or regulating valve thereon.
In the present embodiment, high temperature bleed air line 41 and high temperature bleed branch 51 are poured by high temperature resistant pouring material, outside
Portion is equipped with insulating layer.
The course of work of the Distributed Integration energy supplying system is as follows:
The mash gas extraction that concentration cannot be directly used to internal combustion engine gas electricity lower than 8% is delivered to this system through pumping plant and takes out
Mash gas pipeline enters through manual stop valve 11, the first dedusting dehydration device 12, fast cut valve door 13 and flow control valve 14
Mixing device 16, dedusting dehydration device are used for a large amount of dirt and water mist that mash gas extraction carries during transportation, fast cut valve door 13
Mash gas extraction is quickly cut off when after gas concentration is more than secure setting (1.2%) for guaranteeing to blend, flow control valve 14
Mash gas extraction flow is adjusted according to mash gas extraction and ventilating gas blending operation concentration.Mash gas extraction with from mine ventilation mouth
(concentration is extremely low, lower than 0.75%) blending to service requirement concentration (0.8~1%), blending fills in mixing device for ventilating gas
The purpose for setting 16 is to keep the two blending more uniform, and the methane gas after blending is dehydrated through 17 dedusting of the second dedusting dehydration device
Enter ventilated gas oxidation device 3 by change-over valve group 2.Methane gas is in passing through methane oxidized apparatus 3 through the first bee
Nest heat storage 35 is heated to about 700~800 DEG C, and nonflame exothermic oxidation reaction, high-temperature flue gas stream occur in combustion chamber 31
It is discharged after the second honeycomb heat accumulation body 36 heats the cooling of the second honeycomb heat accumulation body 36 through change-over valve group 2, ventilating gas oxidation dress
It is as shown in Fig. 2 to set 3 schematic diagrames, methane gas is alternately from the first regenerative chamber 33,34 inlet and outlet of the second regenerative chamber, period
Property reciprocation cycle.First the heat that methane gas discharges in combustion chamber 31 falls through heat dissipation and flue gas loss, second can pass through height
The mode of warm bleed is used.
Under winter condition, coal field has a large amount of heating demand and hot water load, passes through high temperature bleed (about 800~900
DEG C) hot fume of pipeline enters waste heat boiler, high temperature and high pressure steam is generated, high temperature and high pressure steam pushes steam turbine 46 to do work
Extraction opening is arranged in power generation, steam turbine 46, draws low-pressure steam to heat exchange station 48 and heats heat production water, for coal field office, food
Hall, dormitory are for warm hot water supply.Particularly, steam turbine 46 usually setting condensing turbine and back pressure steam turbines
Conjunction form improves Winter heat supply amount.It is used as under operating condition in winter in addition, ventilated gas oxidation device 3 is vented (70~100 DEG C)
Wellhead anti-freezing wind.
Under summer operating mode, coal field has refrigeration duty demand, draws high-temperature flue gas and low-temperature smoke extraction by high temperature bleed branch 51
Blending is used as 54 heat source of flue gas type Absorption Refrigerator to about 400 DEG C.Wherein, draw and be provided with electric adjustable on cold exhaust pipeline 52
Valve 53 is saved, for adjusting cold smoke throughput.This system uses flue gas type Absorption Refrigerator, inhales compared to steam or hot-water type
Receipts formula refrigeration machine energy efficiency coefficient is higher.
In system, high temperature bleed pipeline after waste heat boiler 42 and flue gas type Absorption Refrigerator 54 is respectively arranged with hand
Dynamic stop valve 55 and electric control valve 56, by rear end of pipeline refrigeration 57 frequency control high temperature amount of air entrainment of air-introduced machine in operation,
When only relying on air-introduced machine and being difficult to complete air quantity and adjust, pass through 56 auxiliary adjustment pipeline air quantity of electric control valve.Generator 47 generates electricity
Using " grid-connected online " mode, institute's generated energy preferentially gives coal field production and living to supply, extra electricity online.
The Distributed Integration energy supplying system provided in this embodiment for recycling ventilating gas, realizes and arranges coal field
The super low concentration ventilating gas put recycles, and reduces greenhouse gas emission, meanwhile, it is real by high temperature bleed cascade utilization
The purpose of system power generation, heat supply and cooling supply is showed.
The above is only a preferred embodiment of the present invention, it is not intended to restrict the invention, it is noted that for this
For the those of ordinary skill of technical field, without departing from the technical principles of the invention, several improvement can also be made
And modification, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of Distributed Integration energy supplying system for recycling ventilating gas, which is characterized in that blend supply system including gas
System, change-over valve group, ventilated gas oxidation device, waste heat boiler and steam turbine power generation and heat supply system and the absorption system of flue gas type
Cold refrigeration system；
The gas blending feed system is connect by the change-over valve group with the ventilated gas oxidation device, is used for as institute
Ventilated gas oxidation device is stated to provide by the methane gas after mash gas extraction and ventilating gas blending；
The ventilated gas oxidation device passes through high temperature bleed air line and the waste heat boiler and steam turbine power generation and heat supply system
Connection is powered and supplies to the waste heat boiler and steam turbine power generation and heat supply system for providing heat source by high temperature bleed
Heat；
The ventilated gas oxidation device is used for by high temperature bleed branch and the flue gas type absorption refrigeration machine cooling system
Heat source, which is provided, by high temperature bleed carries out cooling supply to the flue gas type absorption refrigeration machine cooling system.
2. a kind of Distributed Integration energy supplying system for recycling ventilating gas according to claim 1, which is characterized in that
The gas blending feed system includes mash gas extraction pipeline, ventilating gas pipeline and mixing device, the mash gas extraction pipeline
Inlet side for being connect with mash gas extraction pumping plant, and be successively arranged hand off valve, the first dedusting dehydration device, fast cut valve door and
Flow control valve；The inlet side of the ventilating gas pipeline is used to export with ventilating gas and connect, and is equipped with motor switch butterfly valve；Institute
The outlet for stating mash gas extraction pipeline and ventilating gas pipeline is connect with the inlet side of the mixing device, the outlet of the mixing device
It is connect by the second dedusting dehydration device with the change-over valve group.
3. a kind of Distributed Integration energy supplying system for recycling ventilating gas according to claim 2, which is characterized in that
The ventilated gas oxidation device includes that the bilateral regenerative chamber separated by insulated wall and combustion chamber form, and the regenerative chamber is filled with
Honeycomb type heat storage.
4. a kind of Distributed Integration energy supplying system for recycling ventilating gas according to claim 3, which is characterized in that
The waste heat boiler and steam turbine power generation and heat supply system include waste heat boiler and steam turbine, the inlet side of the waste heat boiler with
The high temperature bleed air line connection, outlet are connected with hand off valve, electric control valve and waste heat boiler air-introduced machine in turn；
The steam turbine is connect by steam pipework with the waste heat boiler, and is supplied by generator connected to it
Electricity；The steam turbine is connect by steam pipework with heat exchange station, carries out heat supply by the heat exchange station.
5. a kind of Distributed Integration energy supplying system for recycling ventilating gas according to claim 4, which is characterized in that
The steam turbine uses condensing-type steam turbine and back pressure steam turbine combination.
6. a kind of Distributed Integration energy supplying system for recycling ventilating gas according to claim 4, which is characterized in that
The ventilated gas oxidation device connects gas exhaust piping by the change-over valve group, and the gas exhaust piping is equipped with air-introduced machine.
7. a kind of Distributed Integration energy supplying system for recycling ventilating gas according to claim 6, which is characterized in that
The flue gas type absorption refrigeration machine cooling system includes flue gas type Absorption Refrigerator, the flue gas type Absorption Refrigerator
Inlet side and high temperature bleed branch and draw cold exhaust piping connection；The high temperature bleed branch is connected with the cold exhaust pipeline that draws,
For blend form the flue gas type Absorption Refrigerator needed for warm area flue gas；The outlet of the flue gas type Absorption Refrigerator
It is connected with hand off valve, electric control valve and refrigeration air-introduced machine in turn；It is described to draw cold exhaust pipeline and gas exhaust piping company
It connects, the cold exhaust pipeline that draws is equipped with electric control valve.
8. a kind of Distributed Integration energy supplying system for recycling ventilating gas according to claim 7, which is characterized in that
The high temperature bleed air line and high temperature bleed branch routing high temperature resistant pouring material pour, and outside is equipped with insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810876396.4A CN109372601A (en) | 2018-08-03 | 2018-08-03 | A kind of Distributed Integration energy supplying system recycling ventilating gas |
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| CN201810876396.4A CN109372601A (en) | 2018-08-03 | 2018-08-03 | A kind of Distributed Integration energy supplying system recycling ventilating gas |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145408A (en) * | 2019-05-28 | 2019-08-20 | 浙江亿扬能源科技有限公司 | A kind of synthesis energy supplying system and its operation method recycling wide concentration gas for coal mine |
| CN110145867A (en) * | 2019-05-28 | 2019-08-20 | 浙江亿扬能源科技有限公司 | A kind of mine shaft step heating system and operation method based on low concentration gas oxidation |
| CN110185508A (en) * | 2019-05-28 | 2019-08-30 | 淮沪煤电有限公司 | A kind of energy comprehensive utilization system and its operation method based on coal mine gas recycling |
| CN113551152A (en) * | 2021-07-28 | 2021-10-26 | 浙江亿扬能源科技有限公司 | Safe blending method of blending system for recycling mine low-concentration gas |
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| CN110185508B (en) * | 2019-05-28 | 2020-02-28 | 淮沪煤电有限公司 | Energy comprehensive utilization system based on coal mine gas recovery and operation method thereof |
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| CN113551152A (en) * | 2021-07-28 | 2021-10-26 | 浙江亿扬能源科技有限公司 | Safe blending method of blending system for recycling mine low-concentration gas |
| CN113551152B (en) * | 2021-07-28 | 2022-12-27 | 浙江亿扬能源科技有限公司 | Safe blending method of blending system for recycling mine low-concentration gas |
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