CN209053697U - Combustion gas distributed busbar protection can stablize the heating and cooling balanced structure of combustion engine load - Google Patents

Combustion gas distributed busbar protection can stablize the heating and cooling balanced structure of combustion engine load Download PDF

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Publication number
CN209053697U
CN209053697U CN201821615556.1U CN201821615556U CN209053697U CN 209053697 U CN209053697 U CN 209053697U CN 201821615556 U CN201821615556 U CN 201821615556U CN 209053697 U CN209053697 U CN 209053697U
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heat
water pot
steam
accumulation
pipeline
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高传峰
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United Engineers Ltd In China
China United Engineering Corp Ltd
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United Engineers Ltd In China
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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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Abstract

The utility model provides the heating and cooling balanced structure that a kind of combustion gas distributed busbar protection can stablize combustion engine load, can with balancing user can demand, stablize combustion engine operating load, improve the efficiency of energy utilization of combustion gas distributed busbar protection.Gas engine is connect with flue gas-vapor heat exchanger；Flue gas-vapor heat exchanger is connect with sub-cylinder steam；Sub-cylinder steam is connect with thermal deaerator and heat supply heat user；Thermal deaerator is connect with small pump；Thermal deaerator is connect with flue gas-vapor heat exchanger；Lithium bromide refrigerator is connected with accumulation of heat flash distillation water pot by lithium bromide steam pipeline (trace)；Heat supply heat user is connected with accumulation of heat flash distillation water pot by flash-off steam pipeline；Sub-cylinder steam is connected with accumulation of heat flash distillation water pot by steam pipeline (trace)；Small pump is connected with accumulation of heat flash distillation water pot by water pot moisturizing pipeline；Accumulation of heat flash distillation water pot is connect with lithium bromide refrigerator and thermal deaerator respectively by water pot drain water piping.

Description

Combustion gas distributed busbar protection can stablize the heating and cooling balanced structure of combustion engine load
Technical field
The utility model relates to the heating and cooling balanced structures that a kind of combustion gas distributed busbar protection can stablize combustion engine load, main It is used for the biggish back yard industry region combustion gas distributed busbar protection of hot and cold load difference round the clock and with civil heating and air-conditioning Based on building combustion gas distributed energy energy source station in.
Background technique
Combustion gas distributed energy develops slowly in China, and technology is difficult to compare favourably with developed countries such as America and Europe, Japan.Cause This in a long time, combustion gas distributed triple-generation system is also difficult to rank among the ranks of China's main energy sources supply form. But along with the development and utilization of China's natural gas and new energy it is commonly found that, combustion gas distributed triple-generation system has taken the lead in It is promoted and applied in the place such as flourishing coastal, middle part big and medium-sized cities such as Beijing, Shanghai, Guangzhou, this is undoubtedly novel to China The development of energy resource system plays impetus.
Combustion gas cold, heat and electricity triple supply system using include gas engine (containing micro turbine, internal combustion engine and gas turbine etc.), BrLi chiller (containing steam type, steam -- hot-water type, flue gas type, flue gas -- hot-water type and other types), heat pump, thermoelectricity The combination of the multinomial mature technology such as coproduction and heat supply network, success rate in theory should be able to be very high.But from current development Situation is seen, domestic built and a about more than 50 in the Distribution of Natural formula supply of cooling, heating and electrical powers project built, total capacity about 6,000,000 of installing KW is concentrated mainly on megalopolis, such as Guangzhou College City, Pudong International Airport, Shanghai University of Science and Technology, BeiJing ZhongGuanCun software Garden, Beijing Gas Group produce command scheduling center building, middle petroleum Innovation Base energy centre, Changsha chrysanthemum airport Deng.Due to various reasons, there are about pluralities to operate normally for more than 50 built a distributed energy projects, achieves certain warp Ji, society and environmental benefit, while some projects because of grid-connected, benefit or technology the problems such as still in standstill state.Future distribution Formula energy resource system must sufficiently coordinate the development in an all-round way of economic society, resource and environment, can just be conducive to its widely popularize and Using.
Existing combustion gas distributed energy principled thermal system schematic diagram is as shown in Fig. 1, including gas engine 1, cigarette Gas-vapor heat exchanger 2, heat supply gas-distributing cylinder 3, steam type lithium bromide chiller 4, heat supply heat user 5 etc..
Gas engine 1 and flue gas-vapor heat exchanger 2 connect, and flue gas-vapor heat exchanger 2 and heat supply gas-distributing cylinder 3 connect, and supply Hot gas-distributing cylinder 3 and steam type lithium bromide chiller 4, heat supply heat user 5 connect.Major part combustion gas cold, heat and electricity triple supply system is adopted at present With the mode of attached drawing 1, but simultaneously according to the difference of user demand, also there are different equipment selection mode and system connection type.
Since combustion gas distributed energy has the various energy resources such as power supply, conveying steam, conveying refrigerant and conveying domestic hot-water, User according to can demand it is different, have the characteristics that multifarious.In general steam user is related to production, not with produce load Disconnected variation, steam usage amount also constantly change, and need steam source conveying capacity constantly to adjust, to adapt to production requirement；Combustion gas point Cloth energy source station also provides air-conditioning refrigeration duty and domestic hot-water's load for civil buildings or industrial premises, however above-mentioned load is with room Outer temperature present round the clock, seasonal variety, differ greatly, traditional regulative mode is difficult to adapt to.Especially as heat source input and The combustion engine of output, the regulating power of its own is poor, once combustion engine load be lower than 80% hereinafter, its generating efficiency will sharply under Drop, the comprehensive utilization rate of energy source of fuel will will be greatly reduced.
Utility model content
The purpose of the utility model is to overcome the above deficiencies in the existing technologies, and provide a kind of structure design conjunction The combustion gas distributed busbar protection of reason can stablize the heating and cooling balanced structure of combustion engine load, can be with balancing user energy demand, surely Determine combustion engine operating load, improves the efficiency of energy utilization of combustion gas distributed busbar protection.
The technical scheme in the invention for solving the above technical problem is: a kind of combustion gas distributed busbar protection can stablize combustion The heating and cooling balanced structure of machine load, including gas engine, flue gas-vapor heat exchanger, sub-cylinder steam, thermal deaerator, benefit Water pump, heat supply heat user and lithium bromide refrigerator；Gas engine is connect with flue gas-vapor heat exchanger；Flue gas-vapor heat exchanger and steaming The connection of vapour gas-distributing cylinder；Sub-cylinder steam is connect with thermal deaerator and heat supply heat user；Thermal deaerator is connect with small pump；Heat Power oxygen-eliminating device is connect with flue gas-vapor heat exchanger；It is characterized by also including accumulation of heat flash distillation water pot, lithium bromides to heat steam pipe Road, flash-off steam pipeline, steam pipeline (trace) connection, water pot moisturizing pipeline and water pot drain water piping；Lithium bromide refrigerator and storage Flash evaporation water pot is connected by lithium bromide steam pipeline (trace)；Heat supply heat user and accumulation of heat flash distillation water pot pass through flash-off steam pipeline Connection；Sub-cylinder steam is connected with accumulation of heat flash distillation water pot by steam pipeline (trace)；Small pump and accumulation of heat flash distillation water pot pass through water The connection of tank moisturizing pipeline；Accumulation of heat flashes water pot and is connected respectively with lithium bromide refrigerator and thermal deaerator by water pot drain water piping It connects.
Accumulation of heat flash distillation water pot described in the utility model is provided with magnetic double level gauge.
Balance of steam interface, sub-cylinder steam and balance of steam are provided on accumulation of heat flash distillation water pot described in the utility model Interface is connected by balance of steam pipeline.
In addition balance of steam pipeline described in the utility model accesses vapour source pipeline all the way.
Moisturizing regulating valve is installed in water pot moisturizing pipeline described in the utility model.
Electric control valve is installed on flash-off steam pipeline described in the utility model.
Flow measurement device is installed on heat supply heat user and/or flash-off steam pipeline described in the utility model.
Steam control valve and flowmeter are installed on steam pipeline (trace) described in the utility model.
The utility model compared with prior art, has the following advantages that and effect: design rationally, flexible operation, user Just, be beneficial to energy conservation emission reduction, can appropriate balance load variations, the combustion being widely varied particularly with thermic load and air conditioner load Gas distributed busbar protection most applicability, has reached stable combustion engine power output, and balancing user workload demand greatly improves combustion engine year Runing time, the more installed capacity of Proper Match combustion engine avoid installation load surplus excessive, while improving the utilization of combustion engine comprehensive energy The purpose of efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of combustion gas distributed energy principled thermal system in the prior art.
Fig. 2 is the structural schematic diagram of the utility model embodiment.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is pair The explanation of the utility model and the utility model is not limited to following embodiment.
Referring to fig. 2, the utility model embodiment include including gas engine 1, flue gas-vapor heat exchanger 2, sub-cylinder steam 3, Lithium bromide refrigerator 4, heat supply heat user 5, thermal deaerator 6, feed pump 7, small pump 8, chimney 9, accumulation of heat flash distillation water pot 10, row Smoke pipeline 11, heat source stream pipeline 12, heating steam pipeline 13, deoxygenation steam pipeline (trace) 14, lithium bromide steam pipeline (trace) 15, lithium bromide cooling drain water piping 16, feedwater piping 17, oxygen-eliminating device moisturizing pipeline 18, steam pipeline (trace) 19, flash-off steam pipe Road 20, water pot drain water piping 21, moisturizing regulating valve 22, water pot moisturizing pipeline 23 and balance of steam pipeline 24.
Gas engine 1 and flue gas-vapor heat exchanger 2 are connected by smoke discharging pipe 11；Flue gas-vapor heat exchanger 2 and steam point Cylinder 3 is connected by heat source stream pipeline 12；Flue gas-vapor heat exchanger 2 is connect with chimney 9；Sub-cylinder steam 3 and thermal de-aeration Device 6 is connected by deoxygenation steam pipeline (trace) 14；Sub-cylinder steam 3 and heat supply heat user 5 are connected by heating steam pipeline 13； Thermal deaerator 6 and lithium bromide refrigerator 4 are connected by the cooling drain water piping 16 of lithium bromide；Thermal deaerator 6 and small pump 8 are logical Cross the connection of oxygen-eliminating device moisturizing pipeline 18；Thermal deaerator 6 is connect by feedwater piping 17 with flue gas-vapor heat exchanger 2；In water supply Feed pump 7 is provided on pipeline 17.
Lithium bromide refrigerator 4 and accumulation of heat flash distillation water pot 10 are connected by lithium bromide steam pipeline (trace) 15；Heat supply heat user 5 Water pot 10 is flashed with accumulation of heat to connect by flash-off steam pipeline 20；Sub-cylinder steam 3 and accumulation of heat flash distillation water pot 10 are steamed by heating Steam pipe road 19 connects；Small pump 8 and accumulation of heat flash distillation water pot 10 are connected by water pot moisturizing pipeline 23, the moisturizing that small pump 8 provides It is the cold source for needing to balance heating steam in heat-accumulating process, to improve amount of stored heat；Accumulation of heat flashes water pot 10 and passes through water pot drain pipe Road 21 is connect with lithium bromide refrigerator 4 and thermal deaerator 6 respectively, and accumulation of heat flashes water pot 10 and generates flash-off steam in external heat supply When, it is hydrophobic to need for saturated water in water pot to be partially converted to low pressure, to provide enough heats, for guaranteeing the company of flash-off steam Continuous constantly supply, low pressure hydrophobic part at this time can be used as the driving heat source of lithium bromide refrigerator 4, further to utilize its heat Amount, because of 4 load problem of lithium bromide refrigerator, possible low pressure is hydrophobic to be utilized completely, which cannot be utilized low pressure and dredge Water can enter thermal deaerator 6 and carry out heat recovery, reenter feedwater piping and heated, generate new high-temperature steam, mention High system thermal efficiency.
Magnetic double level gauge is provided in accumulation of heat flash distillation water pot 10.
It is provided with balance of steam interface on accumulation of heat flash distillation water pot 10, sub-cylinder steam 3 and balance of steam interface pass through steam Equalizing main 24 connects；In addition vapour source pipeline is made balance of steam pipeline 24 all the way with guaranteeing that accumulation of heat flashes 10 internal pressure of water pot for access It obtains accumulation of heat flash distillation 10 pressure of water pot to stablize, prevents pressure oscillation.
It is stored in water pot to guarantee that the quantity of steam for entering accumulation of heat flash distillation water pot 10 is timely and effectively changed into saturated hot-water, Moisturizing regulating valve 22 is installed in water pot moisturizing pipeline 23, mixes and absorb heating steam heat in time by adjusting inflow, To balance the heat and water of accumulation of heat flash distillation water pot 10, the function of water accumulation of heat processed is realized.
Electric control valve is installed on flash-off steam pipeline 20.
Flow measurement device is installed on heat supply heat user 5 and/or flash-off steam pipeline 20.
Steam control valve and flowmeter are installed on steam pipeline (trace) 19, adjusts in real time and metering enters accumulation of heat flash distillation water The quantity of steam of tank 10.
When the decline of extraneous heating and cooling load, 1 load of gas engine keeps stablizing, and keeps thermal deaerator 6 to flue gas-steaming The demineralized water refill flow of vapour heat exchanger 2 is constant, while increasing steam by steam pipeline (trace) 19 and flashing water pot 10 to accumulation of heat Supply, by water pot moisturizing pipeline 23 increase accumulation of heat flash water pot 10 rate of water make-up so that accumulation of heat flash distillation water pot 10 go out Power increases, and the hot water more produced is stored in accumulation of heat flash distillation water pot 10, reduces outer for heating and cooling load；Accumulation of heat flashes 10 benefit of water pot Water level is observed with magnetic double level gauge, guarantees the internal pressure of accumulation of heat flash distillation water pot 10 using balance of steam pipeline 24, at this point, Since the high-temperature-hot-water more made being stored in accumulation of heat flash distillation water pot 10 while meeting flue gas -2 water supply of vapor heat exchanger, by It contributes and increases in the accumulation of heat of accumulation of heat flash distillation water pot 10, so that flue gas-power output of steam heat device 2 keeps stablizing, flue gas is discharged in gas engine 1 Measure it is constant, with realize balance combustion engine load function.
When extraneous heating and cooling overload operation, accumulation of heat flashes the steam and/or hot water that water pot 10 releases savings, simultaneously Steam pipeline (trace) 19 and water pot moisturizing pipeline 23 are cut off, is connected using flash-off steam pipeline 20 and lithium bromide steam pipeline (trace) 15 Continue to heat user 5 and/or lithium bromide refrigerator 4 and heat is provided, increases by 4 groups of cooling supply of heat supply heat user 5 and/or lithium bromide refrigerator Power output is kept the power output of flue gas-vapor heat exchanger 2 to stablize, is guaranteed using balance of steam pipeline 24 to maintain combustion engine steady load Accumulation of heat flashes the internal pressure of water pot 10, while accumulation of heat flash distillation water pot 10 is hydrophobic also as recoverable heat source supply lithium bromide Refrigeration machine 4 and thermal deaerator 6 are heated for system, are flashed the heat laid in water pot 10 by accumulation of heat at this time and are provided heat supply For refrigeration duty, to realize the function of balance combustion engine load.
In addition, it should be noted that, the specific embodiments described in this specification, the shape of parts and components are named Title etc. can be different, and above content is only to the utility model structure example explanation described in this specification. All equivalence changes or simple change done according to structure, feature and principle described in the concept of the patent of the utility model, are wrapped It includes in the protection scope of the utility model patent.Those skilled in the art of the present invention can be to described Specific embodiment does various modifications or additions or is substituted in a similar manner, without departing from the knot of the utility model Structure or beyond the scope defined by this claim, all should belong to the protection range of the utility model.

Claims (8)

1. a kind of combustion gas distributed busbar protection can stablize the heating and cooling balanced structure of combustion engine load, including gas engine, flue gas-steaming Vapour heat exchanger, sub-cylinder steam, thermal deaerator, small pump, heat supply heat user and lithium bromide refrigerator；Gas engine and flue gas- Vapor heat exchanger connection；Flue gas-vapor heat exchanger is connect with sub-cylinder steam；Sub-cylinder steam and thermal deaerator and heat supply heat User's connection；Thermal deaerator is connect with small pump；Thermal deaerator is connect with flue gas-vapor heat exchanger；It is characterized by: also Including accumulation of heat flash distillation water pot, lithium bromide steam pipeline (trace), flash-off steam pipeline, steam pipeline (trace) connection, water pot water supply pipe Road and water pot drain water piping；Lithium bromide refrigerator is connected with accumulation of heat flash distillation water pot by lithium bromide steam pipeline (trace)；Heat supply heat User is connected with accumulation of heat flash distillation water pot by flash-off steam pipeline；Sub-cylinder steam and accumulation of heat flash distillation water pot pass through heating steam pipe Road connection；Small pump is connected with accumulation of heat flash distillation water pot by water pot moisturizing pipeline；Accumulation of heat flashes water pot and passes through water pot drain water piping It is connect respectively with lithium bromide refrigerator and thermal deaerator.
2. combustion gas distributed busbar protection according to claim 1 can stablize the heating and cooling balanced structure of combustion engine load, Be characterized in that: the accumulation of heat flash distillation water pot is provided with magnetic double level gauge.
3. combustion gas distributed busbar protection according to claim 1 can stablize the heating and cooling balanced structure of combustion engine load, It is characterized in that: being provided with balance of steam interface on the accumulation of heat flash distillation water pot, sub-cylinder steam and balance of steam interface pass through The connection of balance of steam pipeline.
4. combustion gas distributed busbar protection according to claim 3 can stablize the heating and cooling balanced structure of combustion engine load, Be characterized in that: in addition the balance of steam pipeline accesses vapour source pipeline all the way.
5. combustion gas distributed busbar protection according to claim 1 can stablize the heating and cooling balanced structure of combustion engine load, It is characterized in that: moisturizing regulating valve being installed in the water pot moisturizing pipeline.
6. combustion gas distributed busbar protection according to claim 1 can stablize the heating and cooling balanced structure of combustion engine load, It is characterized in that: electric control valve being installed on the flash-off steam pipeline.
7. combustion gas distributed busbar protection according to claim 1 can stablize the heating and cooling balanced structure of combustion engine load, It is characterized in that: flow measurement device being installed on the heat supply heat user and/or flash-off steam pipeline.
8. combustion gas distributed busbar protection according to claim 1 can stablize the heating and cooling balanced structure of combustion engine load, It is characterized in that: steam control valve and flowmeter being installed on the steam pipeline (trace).
CN201821615556.1U 2018-09-30 2018-09-30 Combustion gas distributed busbar protection can stablize the heating and cooling balanced structure of combustion engine load Active CN209053697U (en)

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CN201821615556.1U CN209053697U (en) 2018-09-30 2018-09-30 Combustion gas distributed busbar protection can stablize the heating and cooling balanced structure of combustion engine load

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