CN203383887U - Molten salt heat storage based natural gas cooling-heating-power energy supplying device - Google Patents
Molten salt heat storage based natural gas cooling-heating-power energy supplying device Download PDFInfo
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- CN203383887U CN203383887U CN201320354835.8U CN201320354835U CN203383887U CN 203383887 U CN203383887 U CN 203383887U CN 201320354835 U CN201320354835 U CN 201320354835U CN 203383887 U CN203383887 U CN 203383887U
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
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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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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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
- 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
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Abstract
The utility model relates to a molten salt heat storage based natural gas cooling-heating-power energy supplying device which aims at solving the problems that the existing natural gas cooling-heating-power energy supplying device is complicated in structure and unreasonable in design and further improving the comprehensive utilization efficiency of energy and the stability of energy supply. The molten salt heat storage based natural gas cooling-heating-power energy supplying device comprises a gas generator, a waste heat utilization device, a gas-to-gas heat exchanger and a fan; the gas generator is connected with the waste heat utilization device through a pipe; the waste heat utilization device is connected with the gas-to-gas heat exchanger through a pipe; the fan is connected with the gas-to-gas heat exchanger through a pipe. The molten salt heat storage based natural gas cooling-heating-power energy supplying device is characterized by also comprising a molten salt phase change heat storage device which is connected onto the gas generator, the waste heat utilization device and the gas-to-gas heat exchanger through pipes. According to the molten salt heat storage based natural gas cooling-heating-power energy supplying device, the structural design is reasonable and the comprehensive utilization efficiency of the energy and the stability of the energy supply can be further improved.
Description
Technical field
The utility model relates to a kind of rock gas cool and thermal power energy supplying device, especially relate to a kind of rock gas cool and thermal power energy supplying device based on the fused salt accumulation of heat, can directly to the user, build cooling, heat supply and power supply, there are the high characteristics with carrying out energy reserves of efficiency of energy utilization.
Background technique
The large mains supply mode of tradition is because the defect of self can not meet society to the reliable demand of the quality and safety of the energy and electric power.In the Large-Scale Interconnected electric power system, Local Accidents easily spreads, and centralized large electrical network can not be followed the tracks of the variation of electric load flexibly.As a kind of novel energy system, distributed energy, so that it is safe, economical, reliable, energy utilization rate is high, advantages of environment protection, obtains worldwide extensive attention.
Distributed energy resource system mainly is comprised of power system and bootstrap system etc. at present.Power system is generally gas turbine and gas internal-combustion engine.Bootstrap system is generally the lithium bromide adsorption water chilling unit, and the high-temperature flue gas of gas turbine and gas internal-combustion engine is as its driving heat source, for the user provides refrigeration duty, heating load and hot water load.The power generating equipment that distributed energy resource system is selected is different with waste heat utilization equipment, can obtain different cooling heating and power generation system organizational forms.The rock gas cold, heat and power triple supply system is the main forms of distributed energy, Chinese patent " distributed triple-generation system " (CN 202194726 U) discloses the distributed energy resource system that a kind of miniature gas turbine is power equipment, and the renewable energy sourcess such as solar energy, geothermal power, living beings have dispersion, small-sized characteristics equally; Chinese patent " Multifunctional distributed cold-thermoelectric cogeneration system and method " (CN 1629463 A), Chinese patent " a kind of living beings distributed cold and heat electricity Energy Polygeneration System " (CN 102678382 A) and Chinese patent " Minisize distributed type solar energy driven combining system for supplying cool, hot energy and electricity " (CN 101055121 A) philosophy disclose the distributed energy resource system of one or more energy complementations.
Along with the development of distributed energy resource system, the problem such as do not mate, system variable parameter operation efficiency is low, using energy source is unreasonable with user electricity, cold (heat) load outstanding gradually.Research for this field, domestic correlative study mechanism proposes initiatively accumulating type distributed energy resource system technology, be exactly by initiatively accumulation of energy of supply side, more efficiently realize " temperature counterpart, cascade utilization " theory, utilize the energy storage apparatus peak shifting and valley filling, reach and subtract the effect of holding synergy, mode optimizes the system operation, improve efficiency of energy utilization and system performance driving economy, do not combine with distributed energy resource system but propose a kind of concrete accumulation of energy mode.Chinese patent " the novel energy system that the combustion gas cold, heat and electricity triple supply combines with the water accumulation of energy " (CN 2864507 Y) discloses the system that a kind of rock gas cooling heating and power generation system and water accumulation of energy combine, the water accumulation of energy is for storing unnecessary cold or the heat of waste heat utilization equipment output, when user's cooling and heating load is greater than the deliverability of waste heat utilization equipment, this part energy is discharged in user's energy supplying system, effectively improves efficiency of energy utilization and energy supply stability.
In sum, also do not have at present a kind of simple in structurely, reasonable in design, can further improve the rock gas cool and thermal power energy supplying device of comprehensive utilization rate of energy source and energy supply stability.
The model utility content
The purpose of this utility model is to overcome above shortcomings in prior art, and a kind of reasonable in design is provided, and can further improve the rock gas cool and thermal power energy supplying device based on the fused salt accumulation of heat of comprehensive utilization rate of energy source and energy supply stability.
The technical scheme in the invention for solving the above technical problem is: should comprise gas electricity generator by the rock gas cool and thermal power energy supplying device based on the fused salt accumulation of heat, waste heat utilization equipment, gas-to-gas heat exchanger and blower fan, described gas electricity generator is connected with waste heat utilization equipment by pipeline, described waste heat utilization equipment is connected with gas-to-gas heat exchanger by pipeline, described blower and pipeline is connected with gas-to-gas heat exchanger, its structural feature is: also comprise fused salt phase-transition heat-storage equipment, described fused salt phase-transition heat-storage equipment is connected to gas electricity generator by pipeline, on waste heat utilization equipment and gas-to-gas heat exchanger.Make thus fused salt phase-transition heat-storage equipment in the utility model effectively in conjunction with trough-electricity, there is better Economy; Store unnecessary flue gas heat, improve efficiency of energy utilization; The increase of fused salt phase-transition heat-storage equipment, be conducive to improve the stability of whole energy supplying system, realizes peak load shifting.
As preferably, fused salt phase-transition heat-storage equipment described in the utility model comprises housing, thermal insulation layer, heat storage medium and resistance wire, described thermal insulation layer and heat storage medium are installed in housing, described thermal insulation layer is arranged on the inwall of housing, described heat storage medium and thermal insulation layer are arranged in order from inside to outside, and described resistance wire is arranged in heat storage medium.Heat storage medium in fused salt phase-transition heat-storage equipment can be the fused salt phase-change material, and heat transfer medium is flue gas or air, and the mesosphere of its regenerator casing is thermal insulation layer.
As preferably, waste heat utilization equipment described in the utility model is fume hot-water type lithium bromide adsorption water chilling unit.Waste heat utilization equipment is fume hot-water type lithium bromide adsorption water chilling unit, the hot water that the high-temperature flue gas that its thermal source is gas internal-combustion engine and jacket water heat exchanger obtain, and fume hot-water type lithium bromide adsorption water chilling unit connects cooling and heating load.The heat transfer medium air that exothermic process is used, extract fume hot-water type lithium bromide adsorption water chilling unit smoke exhaust heat through gas-to-gas heat exchanger under blower fan drives, become high temperature air to drive fume hot-water type lithium bromide adsorption water chilling unit after entering the heat exchange of fused salt regenerator after preheating.
As preferably, gas electricity generator described in the utility model is gas turbine.Gas electricity generator is gas turbine, and the high-temperature flue gas of gas turbine output connects waste heat utilization equipment and fused salt phase-transition heat-storage equipment by pipeline.
As preferably, waste heat utilization equipment described in the utility model is flue gas type lithium bromide adsorption water chilling unit.Waste heat utilization equipment is flue gas type lithium bromide adsorption water chilling unit, the high-temperature flue gas that its thermal source is gas turbine, and flue gas type lithium bromide adsorption water chilling unit connects cooling and heating load.The heat transfer medium air that exothermic process is used extracts flue gas type lithium bromide adsorption water chilling unit smoke exhaust heat through gas-to-gas heat exchanger under blower fan drives, and becomes high temperature air to drive flue gas type lithium bromide adsorption water chilling unit after entering the heat exchange of fused salt regenerator after preheating.
As preferably, rock gas cool and thermal power energy supplying device described in the utility model also comprises water-water heat exchanger, and described gas electricity generator is gas internal-combustion engine, and described water-water heat exchanger is connected on gas electricity generator and waste heat utilization equipment by pipeline.The high-temperature flue gas of gas internal-combustion engine output connects waste heat utilization equipment and fused salt phase-transition heat-storage equipment by pipeline.
The utility model compared with prior art, has the following advantages and effect: simple in structure, reasonable in design, easy to use, can further improve comprehensive utilization rate of energy source and energy supply stability.With respect to the water accumulation of energy, the fused salt phase-transition heat-storage has more potentiality, its heat storage capacity is several times even tens times of water accumulation of energy, rock gas cool and thermal power energy supplying device in the utility model has electric heating accumulation of heat and two kinds of operating modes of high-temperature flue gas accumulation of heat, the peak load shifting of refrigeration duty be can realize, efficiency of energy utilization and energy supply stability effectively improved.
Gas electricity generator in the utility model can be gas internal-combustion engine, the high-temperature flue gas of gas internal-combustion engine output connects waste heat utilization equipment and fused salt phase-transition heat-storage equipment by pipeline, waste heat utilization equipment can be fume hot-water type lithium bromide adsorption water chilling unit, the hot water that the high-temperature flue gas that its thermal source is gas internal-combustion engine and jacket water heat exchanger obtain, fume hot-water type lithium bromide adsorption water chilling unit connects cooling and heating load.Gas electricity generator in the utility model can be also gas turbine, the high-temperature flue gas of gas turbine output connects waste heat utilization equipment and fused salt phase-transition heat-storage equipment by pipeline, waste heat utilization equipment can be flue gas type lithium bromide adsorption water chilling unit, the high-temperature flue gas that its thermal source is gas turbine, flue gas type lithium bromide adsorption water chilling unit connects cooling and heating load.Heat storage medium in the utility model fused salt phase-transition heat-storage equipment can be the fused salt phase-change material, and heat transfer medium is flue gas or air.
Rock gas cool and thermal power energy supplying device in the utility model has electric heating accumulation of heat and two kinds of operating modes of high-temperature flue gas accumulation of heat.Electric heating regenerative operation pattern is: drive the resistance wire heating with trough-electricity, heat-accumulating material gets up to realize charging process by this part thermmal storage.High-temperature flue gas regenerative operation pattern is: when refrigeration duty is low, unnecessary high-temperature flue gas is passed into to the fused salt regenerator, heat storage medium is heated and realizes charging process.Two kinds of operating modes of exothermic process are identical, and air drives through blower fan, after the gas-to-gas heat exchanger preheating of flowing through, enter the fused salt regenerator heat is taken away and driven the lithium bromide adsorption water chilling unit.
Clearly, with existing rock gas cool and thermal power energy supplying system, compare, the fused salt phase-transition heat-storage equipment that the utility model adopts, effectively in conjunction with trough-electricity, has better Economy; Store unnecessary flue gas heat, improve efficiency of energy utilization; The increase of fused salt phase-transition heat-storage equipment, be conducive to improve the stability of whole energy supplying system, realizes peak load shifting.
The accompanying drawing explanation
Fig. 1 is the structural representation of the rock gas cool and thermal power energy supplying device based on the fused salt accumulation of heat in the utility model embodiment 1.
Fig. 2 is the structural representation of the fused salt phase-transition heat-storage equipment in the utility model embodiment.
Fig. 3 is the cross section structure schematic diagram of the fused salt phase-transition heat-storage equipment in the utility model embodiment.
Fig. 4 is the structural representation of the rock gas cool and thermal power energy supplying device based on the fused salt accumulation of heat in the utility model embodiment 2.
Embodiment
Below in conjunction with accompanying drawing and by embodiment, the utility model is described in further detail, and following examples are to explanation of the present utility model and the utility model is not limited to following examples.
Embodiment 1.
Referring to Fig. 1 to Fig. 3, the rock gas cool and thermal power energy supplying device based on the fused salt accumulation of heat in the present embodiment comprises gas electricity generator 1, waste heat utilization equipment 3, fused salt phase-transition heat-storage equipment 5, gas-to-gas heat exchanger 7, blower fan 8 and water-water heat exchanger 6, wherein, waste heat utilization equipment 3 is fume hot-water type lithium bromide adsorption water chilling unit, gas electricity generator 1 is gas internal-combustion engine, and blower fan 8 is frequency conversion fan.
Gas electricity generator 1 in the present embodiment is connected with waste heat utilization equipment 3 by pipeline, waste heat utilization equipment 3 is connected with gas-to-gas heat exchanger 7 by pipeline, blower fan 8 is connected with gas-to-gas heat exchanger 7 by pipeline, and fused salt phase-transition heat-storage equipment 5 is connected on gas electricity generator 1, waste heat utilization equipment 3 and gas-to-gas heat exchanger 7 by pipeline.
Fused salt phase-transition heat-storage equipment 5 in the present embodiment comprises housing 13, thermal insulation layer 12, heat storage medium 11 and resistance wire 14, thermal insulation layer 12 and heat storage medium 11 are installed in housing 13, thermal insulation layer 12 is arranged on the inwall of housing 13, heat storage medium 11 and thermal insulation layer 12 are arranged in order from inside to outside, and resistance wire 14 is arranged in heat storage medium 11.
Water-water heat exchanger 6 in the present embodiment is connected on gas electricity generator 1 and waste heat utilization equipment 3 by pipeline.
When gas electricity generator 1 provides electric load, producing high-temperature flue gas drives fume hot-water type lithium bromide adsorption water chilling unit or is stored in fused salt phase-transition heat-storage equipment 5 as thermal source, the hot water that the jacket water of gas internal-combustion engine obtains through water-water heat exchanger 6 drives fume hot-water type lithium bromide adsorption water chilling unit as thermal source, obtains refrigeration duty, hot water load and heating load.Fused salt phase-transition heat-storage equipment 5 has electric heating accumulation of heat and two kinds of operating modes of high-temperature flue gas accumulation of heat, and its inwall is enclosed with thermal insulation layer 12; Electric heating regenerative operation pattern is: drive resistance wire 14 heatings with trough-electricity, heat storage medium 11 gets up to realize charging process by this part thermmal storage; High-temperature flue gas regenerative operation pattern is: when refrigeration duty is low, unnecessary high-temperature flue gas is passed into to fused salt phase-transition heat-storage equipment 5, heat storage medium 11 is heated and realizes charging process.Two kinds of operating modes of exothermic process are identical, air drives through blower fan 8, after gas-to-gas heat exchanger 7 preheatings of flowing through, after entering the fused salt regenerator, high temperature air drives fume hot-water type lithium bromide adsorption water chilling unit as thermal source, and fume hot-water type lithium bromide adsorption water chilling unit 3 connects cooling and heating load.
Embodiment 2.
Referring to Fig. 2 to Fig. 4, the rock gas cool and thermal power energy supplying device based on the fused salt accumulation of heat in the present embodiment comprises gas electricity generator 1, waste heat utilization equipment 3, fused salt phase-transition heat-storage equipment 5, gas-to-gas heat exchanger 7 and blower fan 8, wherein, gas electricity generator 1 is gas turbine, waste heat utilization equipment 3 is flue gas type lithium bromide adsorption water chilling unit, and blower fan 8 is frequency conversion fan.
Fused salt phase-transition heat-storage equipment 5 in the present embodiment comprises housing 13, thermal insulation layer 12, heat storage medium 11 and resistance wire 14, thermal insulation layer 12 and heat storage medium 11 are installed in housing 13, thermal insulation layer 12 is arranged on the inwall of housing 13, described heat storage medium 11 and thermal insulation layer 12 are arranged in order from inside to outside, and resistance wire 14 is arranged in heat storage medium 11.
Gas electricity generator 1 in the present embodiment is connected with waste heat utilization equipment 3 by pipeline, waste heat utilization equipment 3 is connected with gas-to-gas heat exchanger 7 by pipeline, blower fan 8 is connected with gas-to-gas heat exchanger 7 by pipeline, and fused salt phase-transition heat-storage equipment 5 is connected on gas electricity generator 1, waste heat utilization equipment 3 and gas-to-gas heat exchanger 7 by pipeline.
Rock gas cool and thermal power energy supplying device in the present embodiment is substantially the same manner as Example 1, difference is: gas electricity generator 1 is gas turbine, waste heat utilization equipment 3 is flue gas type lithium bromide adsorption water chilling unit, because gas turbine does not have jacket water, therefore there is no water-water heat exchanger.When gas electricity generator 1 provides electric load, produce high-temperature flue gas and drive flue gas type lithium bromide adsorption water chilling unit or be stored in fused salt phase-transition heat-storage equipment 5 as thermal source, flue gas type lithium bromide adsorption water chilling unit connects cooling and heating load.
In addition, it should be noted that, the specific embodiment described in this specification, the shape of its parts and components, institute's title of being named etc. can be different, and the above content described in this specification is only to the explanation of the utility model structure example.Allly according to the utility model patent, conceive equivalence variation or the simple change that described structure, feature and principle are done, be included in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, all should belong to protection domain of the present utility model.
Claims (6)
1. the rock gas cool and thermal power energy supplying device based on the fused salt accumulation of heat, comprise gas electricity generator, waste heat utilization equipment, gas-to-gas heat exchanger and blower fan, described gas electricity generator is connected with waste heat utilization equipment by pipeline, described waste heat utilization equipment is connected with gas-to-gas heat exchanger by pipeline, described blower and pipeline is connected with gas-to-gas heat exchanger, it is characterized in that: also comprise fused salt phase-transition heat-storage equipment, described fused salt phase-transition heat-storage equipment is connected on gas electricity generator, waste heat utilization equipment and gas-to-gas heat exchanger by pipeline.
2. the rock gas cool and thermal power energy supplying device based on the fused salt accumulation of heat according to claim 1, it is characterized in that: described fused salt phase-transition heat-storage equipment comprises housing, thermal insulation layer, heat storage medium and resistance wire, described thermal insulation layer and heat storage medium are installed in housing, described thermal insulation layer is arranged on the inwall of housing, described heat storage medium and thermal insulation layer are arranged in order from inside to outside, and described resistance wire is arranged in heat storage medium.
3. the rock gas cool and thermal power energy supplying device based on the fused salt accumulation of heat according to claim 1, it is characterized in that: described waste heat utilization equipment is fume hot-water type lithium bromide adsorption water chilling unit.
4. the rock gas cool and thermal power energy supplying device based on the fused salt accumulation of heat according to claim 1, it is characterized in that: described gas electricity generator is gas turbine.
5. the rock gas cool and thermal power energy supplying device based on the fused salt accumulation of heat according to claim 1, it is characterized in that: described waste heat utilization equipment is flue gas type lithium bromide adsorption water chilling unit.
6. the rock gas cool and thermal power energy supplying device based on the fused salt accumulation of heat according to claim 1, it is characterized in that: described rock gas cool and thermal power energy supplying device also comprises water-water heat exchanger, described gas electricity generator is gas internal-combustion engine, and described water-water heat exchanger is connected on gas electricity generator and waste heat utilization equipment by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320354835.8U CN203383887U (en) | 2013-06-20 | 2013-06-20 | Molten salt heat storage based natural gas cooling-heating-power energy supplying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320354835.8U CN203383887U (en) | 2013-06-20 | 2013-06-20 | Molten salt heat storage based natural gas cooling-heating-power energy supplying device |
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| Publication Number | Publication Date |
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| CN203383887U true CN203383887U (en) | 2014-01-08 |
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| CN201320354835.8U Expired - Lifetime CN203383887U (en) | 2013-06-20 | 2013-06-20 | Molten salt heat storage based natural gas cooling-heating-power energy supplying device |
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| CN (1) | CN203383887U (en) |
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2013
- 2013-06-20 CN CN201320354835.8U patent/CN203383887U/en not_active Expired - Lifetime
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