CN112065602A - Heat recycling device for vented combustible gas - Google Patents
Heat recycling device for vented combustible gas Download PDFInfo
- Publication number
- CN112065602A CN112065602A CN202010874821.3A CN202010874821A CN112065602A CN 112065602 A CN112065602 A CN 112065602A CN 202010874821 A CN202010874821 A CN 202010874821A CN 112065602 A CN112065602 A CN 112065602A
- Authority
- CN
- China
- Prior art keywords
- combustion engine
- internal combustion
- combustible gas
- vented
- lithium bromide
- 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.)
- Pending
Links
- 238000004064 recycling Methods 0.000 title claims abstract description 12
- 238000002485 combustion reaction Methods 0.000 claims abstract description 48
- 239000007789 gas Substances 0.000 claims abstract description 42
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims abstract description 32
- 238000001816 cooling Methods 0.000 claims abstract description 23
- 239000002918 waste heat Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 230000001105 regulatory effect Effects 0.000 claims abstract description 14
- 239000000779 smoke Substances 0.000 claims abstract description 14
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 12
- 238000011084 recovery Methods 0.000 claims description 9
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract description 9
- 238000010438 heat treatment Methods 0.000 description 10
- 239000003921 oil Substances 0.000 description 7
- 239000002912 waste gas Substances 0.000 description 6
- 239000010687 lubricating oil Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
- F02G5/02—Profiting from waste heat of exhaust gases
-
- 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
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
- F01K25/14—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours using industrial or other waste gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
-
- 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
-
- 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
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses an emptying combustible gas heat recycling device which comprises a pressure stabilizing tank, an electromagnetic valve, a pressure regulating valve, an internal combustion engine set, an indirect air cooling system, a waste heat boiler and a lithium bromide refrigerating unit, wherein the pressure stabilizing tank is connected with the pressure regulating valve; the pressure stabilizing tank pipeline is connected with an air inlet of the internal combustion engine set; the electromagnetic valve is arranged in the pipeline; the regulating valve is positioned inside the pipeline and close to the internal combustion engine; the inlet of the waste heat boiler is connected with a smoke exhaust pipe of the internal combustion engine; the inlet of the lithium bromide refrigerating unit is connected with a smoke exhaust pipe of the internal combustion engine; and the outlet of the air cooling system is connected with a water pump of the internal combustion engine. The invention effectively converts the energy of the flare gas into mechanical energy, heat energy and cold energy through the internal combustion engine, the waste heat boiler and the lithium bromide refrigerating unit to reduce the emission of nitrogen oxides.
Description
Technical Field
The invention relates to the technical field of cooling, heating and power triple equipment, in particular to an air-release combustible gas heat recycling device.
Background
The existing waste gas recovery triple co-generation equipment is a technology for converting redundant heat energy in the production process of an oil extraction, gas production and LNG station into electric energy, generally comprises a pressure stabilizing tank, an internal combustion engine unit, an indirect air cooling system, a waste heat boiler and a lithium bromide refrigerating unit, wherein the pressure stabilizing tank is used for outputting constant pressure by performing pressure buffering on the recovered flare gas, the internal combustion engine is used for converting the heat energy of the flare gas into mechanical energy, the generator is used for converting the mechanical energy into the electric energy, the air cooling system is used for cooling a cylinder sleeve, lubricating oil and the like in the work doing process of the internal combustion engine, and the waste heat boiler system is used for recovering high-temperature flue gas discharged after the work doing of the internal combustion engine. The lithium bromide refrigerating unit is used for recovering high-temperature flue gas discharged by an internal combustion engine for cooling, and the existing torch gas adopts an emptying combustion mode. The energy can not be recycled, thereby causing the waste of the energy of the flare gas.
Disclosure of Invention
The invention provides an emptying combustible gas heat recycling device, aiming at solving the problem that the existing waste gas recycling technology of combined cooling heating and power equipment is relatively weak.
In order to achieve the aim, the invention provides an emptying combustible gas heat recycling device, which comprises an internal combustion engine, a waste heat boiler and a lithium bromide refrigerating unit; the pipeline inlet of the waste heat boiler is connected with a smoke exhaust pipe of the internal combustion engine, and the outlet of the lithium bromide refrigerating unit is connected with a water pump of the internal combustion engine; the internal combustion engine set comprises a pressure stabilizing tank, an electromagnetic valve and a pressure regulating valve on an air inlet pipeline of the internal combustion engine set.
In the exhaust gas recovery thermoelectric cooling triple equipment, the electromagnetic valve is arranged in the main air inlet pipe, and the pressure regulating valve is connected with the left air inlet pipe and the right air inlet pipe of the internal combustion engine;
the pressure stabilizing tank is used for ensuring the pressure stability of the gas source, the electromagnetic valve is arranged on the main gas inlet pipeline and can rapidly cut off the gas source, and the pressure regulating valve is respectively connected with the gas inlet pipe and the gas outlet pipe of the internal combustion engine and can regulate the gas inlet pressure and the gas transmission pressure of the waste gas.
In the waste gas recycling heat, power and cold triple co-generation equipment, the air cooling system is provided with high-temperature circulation and low-temperature circulation, the high-temperature circulation uses the main water pump cooling part as a cylinder sleeve, and the low-temperature circulation uses the main water pump cooling part as an oil cooler;
the internal combustion engine is provided with two torch gas inlets (left side and right side), and the pressure of the left and right gas inlets is 0.1-0.3MPa.
The outlet of the indirect air cooling system is connected with a water pump of the internal combustion engine and provides cooling water for a cylinder sleeve, an oil cooler and the like;
the waste heat boiler is characterized in that an inlet of the waste heat boiler is connected with a smoke exhaust pipe of the internal combustion engine, a heat exchange pipe of the waste heat boiler is a needle-shaped pipe, an oil outlet of a lubricating oil tank is respectively connected with an inlet of a main oil pump of the internal combustion engine, and return oil directly flows to the lubricating oil tank.
The triple co-generation equipment is provided with heating, power generation and refrigeration, namely high-temperature smoke generated after the internal combustion engine does work to generate power can be used for heating in winter and refrigerating in summer, when the high-temperature smoke is used for heating in winter, the high-temperature smoke is switched to a waste heat boiler to generate 0.8Mpa,0.4t/h steam is used for heating, when the high-temperature smoke is required to be refrigerated in summer, the high-temperature smoke is switched to a lithium bromide refrigerating unit to generate cold water of about 15 degrees for cooling, and the high-temperature smoke can supply heat or cool seasonally, so that the utilization rate of energy of flare gas can reach more than 80%, and the energy of waste gas can be fully converted into mechanical energy, heat energy and.
The invention has the advantages that;
the heat recycling device for the vented combustible gas can realize that the energy of the flare gas can be effectively converted into mechanical energy, heat energy and cold energy through an internal combustion engine, a waste heat boiler and a lithium bromide refrigerating unit for the combined cooling, heating and power equipment, and the emission of nitrogen oxides is reduced. The invention has no need of adding gas boiler and air conditioning unit for heating and refrigerating in factory, not only saving cost, but also making the invention more flexible and diversified for the high temperature smoke gas utilization mode of internal combustion engine.
Drawings
The invention is further explained below with reference to the figures and examples;
FIG. 1 is a schematic structural diagram of a waste gas recovery thermoelectric cooling triple device in this embodiment;
FIG. 2 is a schematic view of the exhaust gas recovery structure in this embodiment;
FIG. 3 is a schematic view of the exhaust gas heat recovery structure according to the present embodiment;
fig. 4 is a schematic diagram of the exhaust gas recovery electric structure in this embodiment.
Detailed Description
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting. The heat recycling device for the vented combustible gas can realize that the energy of the flare gas can be effectively converted into mechanical energy, heat energy and cold energy through an internal combustion engine, a waste heat boiler and a lithium bromide refrigerating unit for the combined cooling, heating and power equipment, and the emission of nitrogen oxides is reduced. The invention has no need of adding gas boiler and air conditioning unit for heating and refrigerating in factory, not only saving cost, but also making the invention more flexible and diversified for the high temperature smoke gas utilization mode of internal combustion engine.
Examples
As shown in fig. 1, the invention provides an emptying combustible gas heat recycling device, which comprises an internal combustion engine, a waste heat boiler and a lithium bromide refrigerating unit; the pipeline inlet of the waste heat boiler is connected with a smoke exhaust pipe of the internal combustion engine, and the outlet of the lithium bromide refrigerating unit is connected with a water pump of the internal combustion engine; the internal combustion engine set comprises a pressure stabilizing tank, an electromagnetic valve and a pressure regulating valve on an air inlet pipeline of the internal combustion engine set.
As shown in fig. 2, the air cooling system is provided with a high-temperature circulation and a low-temperature circulation, wherein the high-temperature circulation uses the main water pump cooling part as a cylinder sleeve, and the low-temperature circulation uses the main water pump cooling part as an oil cooler;
the water pump circulation of the internal combustion engine is connected with the lithium bromide refrigerating unit, and the water pump circulation water passes through the electromagnetic valve and the pressure regulating valve circulation water and passes through the lithium bromide refrigerating unit to generate cold air.
As shown in fig. 3, the surge tank is located at the exhaust port of the internal combustion engine set, the electromagnetic valve is installed in the main air inlet pipe, and the pressure regulating valve is connected with the left and right exhaust pipes of the internal combustion engine;
the exhaust port of the internal combustion engine is connected with the waste heat boiler, the gas exhaust stream of the exhaust port is stored through the pressure stabilizing tank, and the electromagnetic valve and the pressure regulating valve stabilize the air pressure to enable the gas to flow through the waste heat boiler to generate heat energy.
As shown in fig. 4, the internal combustion engine set comprises a pressure stabilizing tank, an electromagnetic valve, a pressure regulating valve and a generator on an exhaust pipeline of the set;
the exhaust port of the internal combustion engine is connected with a steam turbine of the generator set, the exhaust gas of the internal combustion engine is stored through a pressure stabilizing tank, and the electromagnetic valve and the pressure regulating valve stabilize the air pressure and transmit the gas to the generator set to generate electric energy.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made without departing from the spirit and scope of the invention.
Claims (4)
1. A heat recycling device for vented combustible gas is characterized in that; the system comprises an internal combustion engine, a waste heat boiler and a lithium bromide refrigerating unit; the pipeline inlet of the waste heat boiler is connected with a smoke exhaust pipe of the internal combustion engine, and the outlet of the lithium bromide refrigerating unit is connected with a water pump of the internal combustion engine; the internal combustion engine set comprises a pressure stabilizing tank, an electromagnetic valve and a pressure regulating valve on an exhaust pipeline of the internal combustion engine set.
2. The vented combustible gas heat recovery device according to claim 1, wherein the solenoid valve is installed in a main intake pipe, and the pressure regulating valve is connected to left and right intake pipes of the internal combustion engine.
3. The vented combustible gas heat recovery and utilization device according to claim 1, wherein the air cooling system is provided with a high-temperature cycle and a low-temperature cycle, the high-temperature cycle is a cylinder liner from a main water pump cooling part, and the low-temperature cycle is an oil cooler from the main water pump cooling part.
4. The vented combustible gas heat recovery device according to claim 1, wherein the surge tank is located at an exhaust port pipe connection of the internal combustion engine group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010874821.3A CN112065602A (en) | 2020-08-27 | 2020-08-27 | Heat recycling device for vented combustible gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010874821.3A CN112065602A (en) | 2020-08-27 | 2020-08-27 | Heat recycling device for vented combustible gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112065602A true CN112065602A (en) | 2020-12-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010874821.3A Pending CN112065602A (en) | 2020-08-27 | 2020-08-27 | Heat recycling device for vented combustible gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112065602A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101038111A (en) * | 2007-04-18 | 2007-09-19 | 无锡压缩机股份有限公司 | Small-sized electric cold-warm triple power supply system |
| US20140174080A1 (en) * | 2012-11-15 | 2014-06-26 | Kevin Lee Friesth | Hybrid Trigeneration System based Microgrid Combined Cooling, Heat and Power providing Heating, Cooling, Electrical Generation and Energy Storage using an Integrated Automation System for Monitor, Analysis and Control |
| CN105909329A (en) * | 2016-03-24 | 2016-08-31 | 上海光热实业有限公司 | Large internal combustion engine combined cooling, heating and power optimization system |
| CN106908174A (en) * | 2017-01-23 | 2017-06-30 | 西北工业大学 | The heat-flow meter of dynamic real-time measurement solid propellant rocket internal oxidition aluminothermy current density |
| CN106902618A (en) * | 2017-02-16 | 2017-06-30 | 中节能城市节能研究院有限公司 | A kind of Coal Chemical Industry flare gas recovery system and recovery method |
| CN107192557A (en) * | 2017-07-10 | 2017-09-22 | 河南柴油机重工有限责任公司 | A kind of high-speed internal combustion engine simulates pressure charging system experimental rig |
| CN207066743U (en) * | 2017-07-10 | 2018-03-02 | 河南柴油机重工有限责任公司 | A kind of high-speed internal combustion engine simulates gas handling system experimental rig |
| CN108361679A (en) * | 2018-04-03 | 2018-08-03 | 浙江工业大学 | The system and method energized using Proton Exchange Membrane Fuel Cells and gas turbine waste heat |
| CN209637901U (en) * | 2019-01-08 | 2019-11-15 | 一汽解放汽车有限公司 | A kind of engine exhaust gas afterheat utilization device |
| CN209801855U (en) * | 2019-04-15 | 2019-12-17 | 沈阳工业大学 | Triple co-generation system based on biomass Stirling lithium bromide unit |
-
2020
- 2020-08-27 CN CN202010874821.3A patent/CN112065602A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101038111A (en) * | 2007-04-18 | 2007-09-19 | 无锡压缩机股份有限公司 | Small-sized electric cold-warm triple power supply system |
| US20140174080A1 (en) * | 2012-11-15 | 2014-06-26 | Kevin Lee Friesth | Hybrid Trigeneration System based Microgrid Combined Cooling, Heat and Power providing Heating, Cooling, Electrical Generation and Energy Storage using an Integrated Automation System for Monitor, Analysis and Control |
| CN105909329A (en) * | 2016-03-24 | 2016-08-31 | 上海光热实业有限公司 | Large internal combustion engine combined cooling, heating and power optimization system |
| CN106908174A (en) * | 2017-01-23 | 2017-06-30 | 西北工业大学 | The heat-flow meter of dynamic real-time measurement solid propellant rocket internal oxidition aluminothermy current density |
| CN106902618A (en) * | 2017-02-16 | 2017-06-30 | 中节能城市节能研究院有限公司 | A kind of Coal Chemical Industry flare gas recovery system and recovery method |
| CN107192557A (en) * | 2017-07-10 | 2017-09-22 | 河南柴油机重工有限责任公司 | A kind of high-speed internal combustion engine simulates pressure charging system experimental rig |
| CN207066743U (en) * | 2017-07-10 | 2018-03-02 | 河南柴油机重工有限责任公司 | A kind of high-speed internal combustion engine simulates gas handling system experimental rig |
| CN108361679A (en) * | 2018-04-03 | 2018-08-03 | 浙江工业大学 | The system and method energized using Proton Exchange Membrane Fuel Cells and gas turbine waste heat |
| CN209637901U (en) * | 2019-01-08 | 2019-11-15 | 一汽解放汽车有限公司 | A kind of engine exhaust gas afterheat utilization device |
| CN209801855U (en) * | 2019-04-15 | 2019-12-17 | 沈阳工业大学 | Triple co-generation system based on biomass Stirling lithium bromide unit |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20201211 |