CN102116215A - Self-electricity consumption reduction combined cooling heat and power system - Google Patents

Self-electricity consumption reduction combined cooling heat and power system Download PDF

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Publication number
CN102116215A
CN102116215A CN2010106220204A CN201010622020A CN102116215A CN 102116215 A CN102116215 A CN 102116215A CN 2010106220204 A CN2010106220204 A CN 2010106220204A CN 201010622020 A CN201010622020 A CN 201010622020A CN 102116215 A CN102116215 A CN 102116215A
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China
Prior art keywords
generator set
water
cooling fan
equipment
utilization
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Chinese (zh)
Inventor
姚钰锋
吴竺
丁哲波
吴涛涛
仵浩
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SHANGHAI XINAO ENERGY TECHNOLOGY Co Ltd
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SHANGHAI XINAO ENERGY TECHNOLOGY Co Ltd
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Priority to CN2010106220204A priority Critical patent/CN102116215A/en
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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]
    • 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
    • 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
    • Y02T10/30—Use of alternative fuels, e.g. biofuels

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Abstract

The invention discloses a self-electricity consumption reduction combined cooling heat and power system. The system comprises a generator set (101), residual heat utilization equipment (102) and a cooling fan (103), wherein the generator set (101) is used for generating electric energy; the residual heat utilization equipment (102) is used for outputting cooling water or hot water by using residual heat output by the generator set (101); the cooling fan (103) is used for cooling the hot water output by the generator set (101) to form the cooling water and returning the cooling water to the generator set (101); and the cooling fan (103) is arranged inside the generator set (101) and is used for reinforcing inlet air and exhaust air of the generator set without the usage of the conventional axial flow fan, so that the self-electricity consumption of the combined cooling heat and power system is reduced.

Description

A kind of reduction is multi-joint for system from the cool and thermal power of power consumption
Technical field
It is multi-joint for system, concrete to the present invention relates to a kind of cool and thermal power, relates to a kind of can the reduction from the multi-joint system that supplies of the cool and thermal power of power consumption.
Background technique
At present, combustion gas has been widely used in production and the life as a kind of cleaning, high efficient energy sources.Combustion gas and air mixing burning produce a large amount of heat energy, give off aqueous vapor and a small amount of carbonaceous gas, thereby very little to pollution of atmosphere, and fuel gas buring is abundant simultaneously, and the heating efficiency height is one of at present comparatively desirable chemical energy source.Combustion gas in industry, life to utilize mode mainly be directly to utilize heat energy that burning produced or be mechanical energy and electric energy by thermal power transfer, for example heating, be the motor car engine etc. of fuel with the LNG Liquefied natural gas.Gas internal-combustion engine (Gas Internal Combustion Engine) is that a kind of application is the device of mechanical energy with the thermal power transfer that fuel gas buring produces very widely.(Combined Cooling Heat and Power, CCHP) system has obtained greatly developing as a kind of system that can realize fully utilizing heat energy and electric energy the multi-joint confession of combustion gas cool and thermal power in recent years.The combustion gas cool and thermal power is multi-joint to be meant combustion gas such as utilizing rock gas, biogas for system, generate electricity by fuel gas generation unit (for example gas internal-combustion engine, gas turbine, Solid Oxide Fuel Cell etc.), simultaneously the fuel gas generation unit high-temperature flue gas of discharging is by absorbing or adsorptive refrigeration/heating device (as the lithium bromide cold and hot water machine group etc.) produces cold water/hot water, and this system can provide electric power, cold water or hot water simultaneously to the user.The combustion gas cool and thermal power is multi-joint to be compared with traditional power supply, cold/heat supply mode for system, has plurality of advantages such as primary energy ratio height, pollutant emission are few.As seen, the combustion gas cool and thermal power is multi-joint to be passed through heat energy, comprehensive, the cascade utilization of electric energy have been improved energy utilization efficiency greatly for system, has improved the human lives, has saved expense simultaneously.
At present, conventional cool and thermal power multi-joint for system many be former moving equipment with gas internal-combustion engine, comprise a plurality of systems consumer, thereby keep this system's running and need electric drive, inevitably have the problem of system from power consumption.Traditional cool and thermal power is multi-joint to supply mainly comprising from power consumption of system: the cooling fan power consumption of (1) gas internal-combustion engine; (2) the axial-flow blower power consumption of the quiet case of gas internal-combustion engine; (3) the jacket water electric heater power consumption of gas internal-combustion engine; (4) the solution pump power consumption of absorption refrigeration equipment; (5) vacuum pump power consumption of absorption refrigeration equipment etc.Wherein, the jacket water electric heater cuts out when gas internal-combustion engine moves, other 4 kinds of parts multi-joint for system when operation must be continuously or the unlatching that is interrupted.
Owing to axial-flow blower and cooling fan need be set respectively, cause equipment operation need expend a large amount of electric energy multi-joint confession of above-mentioned traditional cool and thermal power in the system, this has obviously reduced efficiency of energy utilization, has improved system operation cost.
Summary of the invention
It is multi-joint for system from the cool and thermal power of power consumption to the purpose of this invention is to provide a kind of reduction.According to technological scheme of the present invention, by the multi-joint structure for system of existing cool and thermal power is optimized, some parts that produce from power consumption are carried out integrated and compound utilization, with the multi-joint confession of effective reduction cool and thermal power system from power consumption.
According to an aspect of the present invention, provide a kind of reduction multi-joint for system from the cool and thermal power of power consumption, this system comprises the generator set 101 that is used to produce electric energy; Be used to utilize the UTILIZATION OF VESIDUAL HEAT IN equipment 102 of the waste heat of generator set 101 outputs with output cold water or hot water; Cooling fan 103 is used for the hot water of described generator set 101 outputs is cooled off with formation cold water, and this cold water is returned to described generator set 101; Wherein said cooling fan 103 is arranged on described generator set 101 inside.
Wherein, the air intake and the needed air quantity of air draft that also are used to provide described generator set of described cooling fan 103.
Wherein, described generator set 101 also comprises a quiet case 101-0, is disposed with quiet case air intake labyrinth 101-1 according to the direction from the air intake to the air draft in this quiet case, generator set body 101-2, quiet case air draft labyrinth 101-3 and cooling fan 103.
Optionally, described cooling fan 103 is arranged on the end of described quiet case 101-0, makes the air outlet of this cooling fan towards the outside of this quiet case.
Optionally, the air outlet of described cooling fan 103 is set to overlap with the housing of described quiet case.
Wherein, described generator set 101 waste heat of exporting to described UTILIZATION OF VESIDUAL HEAT IN equipment 102 comprises jacket water 18 and/or the high-temperature flue gas that enters described UTILIZATION OF VESIDUAL HEAT IN equipment 102.
Preferably, described generator set is a combustion gas internal combustion engine generator group.
Preferably, described UTILIZATION OF VESIDUAL HEAT IN equipment is absorption lithium bromide refrigerating unit.
By adopting technique scheme of the present invention, reduced the multi-joint system that supplies of cool and thermal power from power consumption, improved the generated output of system's output.Simultaneously, also simplified the multi-joint structure for system of cool and thermal power, saved the machine room land used, the equipment of having saved is installed and civil engineering costs, has shortened the equipment installation period, thereby has greatly reduced the construction cost of whole system.
Description of drawings
Fig. 1 is the conventional multi-joint structural representation for system of combustion gas cool and thermal power;
Fig. 2 is the structural representation of the quiet case of combustion gas internal combustion engine generator group of routine;
Fig. 3 is the structural representation according to the quiet case of combustion gas internal combustion engine generator group of the embodiment of the invention;
Fig. 4 is the multi-joint structural representation for system of the combustion gas cool and thermal power after the present invention improves.
Embodiment
For making the purpose, technical solutions and advantages of the present invention more cheer and bright, below in conjunction with embodiment and with reference to accompanying drawing, the present invention is described in more detail.
The present invention carry out the combustion gas cool and thermal power of example explanation multi-joint for system mainly be with gas internal-combustion engine as former moving equipment, but be not restricted to this.
Fig. 1 is the conventional multi-joint structural representation for system of combustion gas cool and thermal power.
As shown in Figure 1, the multi-joint machine configuration set for system of Chang Gui combustion gas cool and thermal power comprises generator set 101, UTILIZATION OF VESIDUAL HEAT IN equipment 102 and cooling fan 103.Among the present invention, generator set 101 is combustion gas internal combustion engine generator group (hereafter internal-combustion engine) preferably.
Combustion gas internal combustion engine generator group 101 is used for producing output power 4 by fuel gas buring, and generator set body 101-2 is installed among quiet case (the Sound Attenuated Enclosure) 101-0 usually.Quiet case has the function of vibration damping, noise reduction, is used to reduce the operation noise and the vibration of internal combustion engine generator, makes that gas internal-combustion engine can be stablized in quiet case, the operation of low noise, so that reach the criteria for noise of national regulation.
Jacket water (Jacket Water) (not shown) is moved in the cylinder sleeve of internal-combustion engine usually.When internal-combustion engine normally moved, its cylinder bore wall can produce a large amount of heats, and the effect of jacket water is exactly the cooling internal combustion engines cylinder sleeve, made stable, the safe operation of internal-combustion engine.Usually, the jacket water that is come out by gas internal-combustion engine carries a large amount of heats that internal-combustion engine produces, it is discharged by the total water outlet 20 of internal combustion engine cylinder jacket water, by with 103 coolings of the supporting cooling fan of gas internal-combustion engine after enter gas internal-combustion engine by internal combustion engine cylinder jacket water backwater 8 again, thereby form the jacket water circulation.
Intercooler (Intercooler) is mounted in the pressurized part (not shown) of gas internal-combustion engine inside, is used to improve Gas Exchange Process of Internal Combustion Engine efficient.The cooling medium of intercooler is a water, during high temperature air process intercooler, the cooling water of its heat transferred intercooler, entering in the internal-combustion engine of cooling back air, heated intercooler cooling water is then discharged by intercooler cooling water water outlet 5 and is given cooling fan 103, by enter the intercooler of internal-combustion engine after the cooling fan cooling again by intercooler cooling water backwater 6, circulate thereby form the intercooler cooling water.
Cooling fan (Cooling Fan) the 103rd is with the supporting cooling equipment of gas internal-combustion engine.Shown in Fig. 1-2, the jacket water of internal-combustion engine links to each other with cooling fan with the total interface of intercooler cooling water, returns internal-combustion engine after the cooling fan cooling, forms the circulation of two-way cooling water.
In addition, UTILIZATION OF VESIDUAL HEAT IN equipment 102 can utilize the high-temperature flue gas 13 of combustion gas internal combustion engine generator group 101 discharges and the waste heat of high temperature jacket water 18, thus output chilled water or hot water (health hot water and/or heating hot water).
Among the present invention, preferably adopt absorption lithium bromide refrigerating unit (hereafter bromine cooling machine) multi-joint for the UTILIZATION OF VESIDUAL HEAT IN equipment in the system as cool and thermal power.Here, the basic principle of lithium bromide refrigerating is to rely on liquid refrigerant to evaporate under low temperature, low pressure condition to absorb heat, thereby produces refrigeration effect, and basic principle that lithium bromide heats and common heat exchanger-type are seemingly.Bromine cooling machine is generally exported chilled water in summer, export heating hot water in the winter time.In the occasion of needs output health hot water, bromine cooling machine can be implemented in and exports chilled water and health hot water summer simultaneously, exports heating hot water and health hot water in the winter time simultaneously.
Introduce the multi-joint running of combustion gas cool and thermal power of prior art below for system.
As shown in Figure 1, the combustion gas 1 in the pipe network enters combustion gas internal combustion engine generator group 101 reach the pressure of regulation through pressure-regulating box 2 and stop valve 3 after, and the output power 4 that combustion gas internal combustion engine generator group 101 is produced is outwards exported.The intercooler cooling water water outlet 5 of combustion gas internal combustion engine generator group 101 enters cooling fan 103, form intercooler cooling water backwater 6 after the cooling fan cooling reaches temperature requirement, this intercooler cooling water backwater returns combustion gas internal combustion engine generator group 101 and utilizes with the circulation cooling.
The total water outlet 20 of jacket water of combustion gas internal combustion engine generator group 101 outputs is divided into jacket water 18 and the cooling fan jacket water water inlet 10 that enters UTILIZATION OF VESIDUAL HEAT IN equipment 102 through hot water electric T-shaped valve 9.The water yield of hot water electric T-shaped valve 9 can regulate jacket waters 18, realize the total water outlet 20 of internal combustion engine cylinder jacket water all, part enter or all do not enter UTILIZATION OF VESIDUAL HEAT IN equipment 102.Jacket water 18 enters the low pressure generator of UTILIZATION OF VESIDUAL HEAT IN equipment 102, and (jacket water adds in low pressure generator and pines for warm bromize lithium concentrated solution, further solution is heated, it is higher to make it concentration, the steam that produces enters condenser, remaining bromize lithium concentrated solution enters cryogenic heat exchanger), temperature reduces after discharging waste heat, the UTILIZATION OF VESIDUAL HEAT IN equipment water outlet 19 that the cooling back forms enters cooling fan 103 after converging with cooling fan jacket water water inlet 10, form internal combustion engine cylinder jacket water backwater 8 after the cooling fan cooling reaches temperature requirement, this internal combustion engine cylinder jacket water backwater 8 returns combustion gas internal combustion engine generator group 101 through stop valve 7 and utilizes with the circulation cooling.
Through the high-temperature flue gas 11 of the generator set burning and exhausting flue gas electric T-shaped valve 12 of flowing through, flue gas electric T-shaped valve 12 can regulate enter the amount of the high-temperature flue gas 13 of UTILIZATION OF VESIDUAL HEAT IN equipment 102, the realization high-temperature flue gas is whole, part enter or all do not enter UTILIZATION OF VESIDUAL HEAT IN equipment, high-temperature flue gas 13 enters the high-pressure generator of UTILIZATION OF VESIDUAL HEAT IN equipment 102, and (the low temperature bromize lithium dilute solution heats through high-temperature flue gas in high-pressure generator, produce steam and high temperature bromize lithium concentrated solution respectively, steam enters low pressure generator, the high temperature bromize lithium concentrated solution enters high-temperature heat-exchanging), temperature reduces after discharging waste heat, form UTILIZATION OF VESIDUAL HEAT IN equipment smoke evacuation 14 (low-temperature flue gas), this UTILIZATION OF VESIDUAL HEAT IN equipment smoke evacuation 14 converges with high-temperature flue gas 11 by flue gas electric T-shaped valve 12, forms multi-jointly to arrange to atmosphere for the total smoke evacuation 15 of system.
During summer, UTILIZATION OF VESIDUAL HEAT IN equipment 102 is by the high-temperature flue gas 13 of absorption combustion gas internal combustion group of motors 101 outputs and the waste heat of jacket water 18, the cold water water outlet 25 that can produce uniform temperature offers the building air-conditioning pipe-line system, returns UTILIZATION OF VESIDUAL HEAT IN equipment 102 processing of lowering the temperature by the cold-water return of returning 26 of air conditioning pipe system through stop valve 28.
During winter, UTILIZATION OF VESIDUAL HEAT IN equipment 102 is by the high-temperature flue gas 13 of absorption combustion gas internal combustion group of motors 101 outputs and the waste heat of jacket water 18, the heating water water outlet 25 that can produce uniform temperature offers the building air-conditioning pipe-line system, returns UTILIZATION OF VESIDUAL HEAT IN equipment 102 by the heating water backwater 26 that returns of air conditioning pipe system through stop valve 28 and carries out hyperthermic treatment.
In addition, UTILIZATION OF VESIDUAL HEAT IN equipment 102 also has 24 circulations of one road cooling water, this cooling water 24 is mainly used in the condenser of absorption UTILIZATION OF VESIDUAL HEAT IN equipment and the heat of adsorber, cooling water 24 enters UTILIZATION OF VESIDUAL HEAT IN equipment 102 through stop valve 27, forms cooling water water outlet 23 after UTILIZATION OF VESIDUAL HEAT IN equipment 102 temperature raise.In summer, this cooling water water outlet 23 forms cooling water backwater 24 by the chilled(cooling) water return (CWR) after cooling equipment (as cooling tower) cooling, and cooling water backwater 24 returns UTILIZATION OF VESIDUAL HEAT IN equipment 102.In winter, do not work in the chilled(cooling) water return (CWR) that this cooling water water outlet 23 and cooling water backwater 24 are formed.
As seen from Figure 1, multi-joint at the cool and thermal power of prior art in the system, cool and thermal power multi-joint for system always from power consumption 22 mainly comprise cooling fan from power consumption 21, gas internal-combustion engine from power consumption (comprising axial-flow blower and jacket water electric heater) 16 and absorption lithium bromide refrigerating unit consumable electricity (comprising solution pump and vacuum pump etc.) 17.
Fig. 2 is the structural representation of the quiet case of combustion gas internal combustion engine generator group of routine.Among Fig. 2 with Fig. 1 in identical parts will simply introduce or not introduce, and use the same reference numerals to represent.
As shown in Figure 2,, be disposed with quiet case air intake labyrinth 101-1 in the quiet case 101-0, generator set body 101-2 (hereafter internal-combustion engine), axial-flow blower 101-4,101-5, quiet case air draft labyrinth 101-3 according to the direction from the air intake to the air draft.In addition, quiet case also disposes sound insulation access door (not shown), so that the Maintenance and Repair of equipment.
Axial-flow blower (Axial Fan) is the axial blower fan that is used to strengthen gas internal-combustion engine air intake, air draft, is installed in quiet case inside.As shown in Figure 2, axial-flow blower 101-4,101-5 are configured between internal-combustion engine 101-2 and the air draft labyrinth 101-3, and can dispose many, are used to strengthen the air intake and the air draft of internal-combustion engine.
The effect of air intake labyrinth 101-1 and air draft labyrinth 101-3 is to be used to reduce combustion gas internal combustion engine generator group surrounding atmosphere mobile unobstructed when operation, and then reduces the noise of the air inlet when moving of combustion gas internal combustion engine generator group, exhaust.
As seen, the cool and thermal power of prior art is multi-joint for having two or many quiet case axial-flow blower 101-4,101-5 in the system, these current consuming apparatus inevitably increased combustion gas internal combustion engine generator group when operation from power consumption.
Fig. 3 is the structural representation according to the quiet case of combustion gas internal combustion engine generator group of the embodiment of the invention.To introduce the constituent elements that makes improvements with respect to prior art among Fig. 3,, will simply introduce or not introduce for the existing parts that do not relate to improvement of the present invention.
As shown in Figure 3,, be disposed with quiet case air intake labyrinth 101-1 in the quiet case 101-0, generator set body 101-2, quiet case air draft labyrinth 101-3 and cooling fan 103 according to the direction from the air intake to the air draft.
As seen from Figure 3, in the embodiments of the invention, removed interior axial-flow blower 101-4, the 101-5 of the quiet case of combustion gas internal combustion engine generator group of prior art, and will be arranged on integrated being arranged in the quiet case of cooling fan of quiet case outside originally.Like this, owing to removed many axial-flow blowers, reduced current consuming apparatus, thus reduced cool and thermal power multi-joint for system from power consumption.
In an embodiment of the present invention, cooling fan 103 is arranged on the end of quiet case 101-0, make the outside of the air outlet of cooling fan, cooling fan is cooled off intercooler cooling water water outlet 5 and the total water outlet 20 of internal combustion engine cylinder jacket water from internal-combustion engine 101-2 in quiet case towards quiet case.Optionally, the air outlet of cooling fan can be set to overlap with quiet tank shell, thereby makes air draft more unobstructed.In addition, according to the length own and the mounting point of cooling fan, can suitably increase the length of quiet case according to actual needs.
Independently divide the cooling fan that is arranged different with the quiet case with respect to gas internal-combustion engine in the prior art, the integrated quiet case inside that is arranged on of the cooling fan in the present embodiment.Like this, all pipelines that link to each other with cooling fan in the internal-combustion engine (for example internal-combustion engine intercooler cooling water goes out, water return pipeline, internal combustion engine cylinder jacket water goes out, water return pipeline) all connect and finish debugging inner installation of quiet case.
Therefore, as seen significantly reduce the interface and the connecting line of quiet case and external equipment, simplified device structure, lowered the manufacturing installation cost.
The following describes the power setting requirement of cooling fan in the embodiment of the invention.
Suppose Q 1, Q 2Be respectively the flow (being air quantity) of axial-flow blower, cooling fan, n 1, n 2Be respectively axial-flow blower, speed of cooling fan, P 1, P 2Be respectively the power of axial-flow blower, cooling fan, then satisfy following proportionate relationship: Q usually 2/ Q 1=n 2/ n 1, P 2/ P 1=(n 2/ n 1) 3, P 2/ P 1=(Q 2/ Q 1) 3The power that is fan or blower fan is directly proportional with the cube of flow.
With specified generated output is that the combustion gas internal combustion engine generator group of 160kW is an example, and two axial-flow blower separate unit power are 3kW (two are identical) in its quiet case, and the power of cooling fan is 7.5kW, calculates according to following formula: It is the total blast volume that the air quantity of cooling fan is greater than former two axial-flow blowers.Therefore, the air output requirement that can guarantee to remove gas internal-combustion engine behind the axial-flow blower fully of the air quantity of cooling fan.Therefore, can the power of cooling fan not adjusted especially among the present invention.
Therefore, though removed the axial-flow blower in the quiet case in the prior art among the present invention, but the air quantity that is arranged on the cooling fan in the quiet case can satisfy the air quantity demand of internal combustion unit air intake and air draft fully, thereby can satisfy the unobstructed requirement of combustion gas internal combustion engine generator group air intake, thereby play the effect identical with former axial-flow blower.Therefore, can be on the basis that not influence the normal operation of combustion gas internal combustion engine generator group, saved axial-flow blower from power consumption, the system that makes reduces from power consumption.
Multi-joint for system according to the cool and thermal power of the embodiment of the invention, can reduce significantly system from power consumption.For example, be that the combustion gas internal combustion engine generator group of 160kW is an example with specified generated output, its axial-flow blower power is 2 * 3=6kW, and cooling fan power is 7.5kW, and the jacket water heater power is 7kW, and original system is 6+7.5+7=20.5kW from power consumption always.Multi-joint in the system according to the cool and thermal power of the embodiment of the invention owing to removed axial-flow blower, thereby system total be 7.5+7=14.5kW from power consumption, reduced by 29.3% with multi-joint the comparing of cool and thermal power of the prior art for system.
Fig. 4 reduces after the present invention improves from the multi-joint structural representation for system of the combustion gas cool and thermal power of power consumption.
As shown in Figure 4, the combustion gas cool and thermal power after improving is multi-joint mainly comprises generator set 101 (inside is integrated with cooling fan) and UTILIZATION OF VESIDUAL HEAT IN equipment 102 (absorption lithium bromide refrigerating unit) for system.Cool and thermal power after the improvement is multi-joint always to comprise mainly that from power consumption 22 generator set of UTILIZATION OF VESIDUAL HEAT IN equipment after power consumption (comprising solution pump and vacuum pump etc.) 17 and improvement is from power consumption 36 for system.Compare for system with the cool and thermal power of prior art is multi-joint, because cooling fan is integrated in the quiet case that is arranged on generator set 101, make generator set after improving from power consumption 36 gas internal-combustion engine much smaller than prior art from power consumption (comprising axial-flow blower and jacket water heater) 16.Therefore, greatly reduce system from power consumption, simplified system architecture simultaneously, saved taking up room of system.
In sum, the present invention is intended to improve a kind of system that can reduce from the multi-joint system that supplies of the cool and thermal power of power consumption.In this system cooling fan is arranged in the quiet case of combustion gas internal combustion engine generator group, replace axial-flow blower of the prior art that the needed air quantity of air intake, air-out of internal combustion engine generator group is provided with cooling fan, the cooling water to the output of internal combustion generator set cools off simultaneously.Because multi-joint for only needing cooling fan in the system, thereby saved the cost of equipment and the power consumption of axial-flow blower at cool and thermal power of the present invention, reduced simultaneously system from power consumption.
Compare by cool and thermal power multi-joint confession system after the present invention's improvement and the multi-joint confession of traditional cool and thermal power system, have following significant technique effect:
(1) function optimization of cooling fan: by the gas internal-combustion engine cooling fan being integrated in the quiet case of gas internal-combustion engine, saved two axial-flow blowers of gas internal-combustion engine in the legacy system, can reduce significantly whole system from power consumption (being equivalent to improve the generated output of system);
(2) cooling fan is integrated in the gas internal-combustion engine group, has shortened system's installation time greatly, reduced equipment and installed and civil engineering cost, saved the equipment land used.
As mentioned above, at the multi-joint defective that supplies the consumable TV university of system's existence of the cool and thermal power of prior art, the present invention is optimized from the multi-joint structure for system of cool and thermal power, axial-flow blower and cooling fan to gas internal-combustion engine carry out integrated, make former cooling fan both play the effect of axial-flow blower, played the effect that jacket water and intercooler cooling water are cooled off again, thus can effectively reduce cool and thermal power multi-joint for system from power consumption.
Should be understood that above-mentioned embodiment of the present invention only is used for exemplary illustration or explains principle of the present invention, and is not construed as limiting the invention.Therefore, any modification of under situation without departing from the spirit and scope of the present invention, being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.In addition, claims of the present invention are intended to contain whole variations and the modification in the equivalents that falls into claims scope and border or this scope and border.

Claims (10)

1. a reduction is multi-joint for system from the cool and thermal power of power consumption, and this system comprises:
Generator set (101) is used to produce electric energy;
UTILIZATION OF VESIDUAL HEAT IN equipment (102) is used to utilize the waste heat of generator set (101) output with output cold water or hot water;
Cooling fan (103) is used for the hot water of described generator set (101) output is cooled off with formation cold water, and this cold water is returned to described generator set (101);
It is characterized in that:
Described cooling fan (103) is arranged on described generator set (101) inside.
2. system according to claim 1, wherein, the air intake and the needed air quantity of air draft that also are used to provide described generator set of described cooling fan (103).
3. system according to claim 1, wherein, described generator set (101) also comprises a quiet case (101-0), in this quiet case, be disposed with quiet case air intake labyrinth (101-1) according to the direction from the air intake to the air draft, generator set body (101-2), quiet case air draft labyrinth (101-3) and cooling fan (103).
4. system according to claim 3, wherein, described cooling fan (103) is arranged on the end of described quiet case (101-0), makes the air outlet of this cooling fan towards the outside of this quiet case.
5. system according to claim 4, wherein, the air outlet of described cooling fan (103) is set to overlap with the housing of described quiet case.
6. system according to claim 1, wherein, the hot water of described generator set (101) output comprises intercooler cooling water and jacket water, and described intercooler cooling water is used to cool off the intercooler of described generator set (101), and described jacket water is used to cool off the cylinder sleeve of described generator set (101).
7. system according to claim 6, wherein, the jacket water (20) of described generator set (101) output all, part enter or all do not enter described UTILIZATION OF VESIDUAL HEAT IN equipment (102), remaining jacket water (10) enters described cooling fan (103), and enters described UTILIZATION OF VESIDUAL HEAT IN equipment
(102) jacket water (18) enters described cooling fan after this UTILIZATION OF VESIDUAL HEAT IN equipment (102) cooling back and described remaining jacket water (10) converge.
8. system according to claim 7, wherein, the waste heat that described generator set (101) is exported to described UTILIZATION OF VESIDUAL HEAT IN equipment (102) comprises jacket water (18) and/or the high-temperature flue gas that enters described UTILIZATION OF VESIDUAL HEAT IN equipment (102).
9. system according to claim 8, wherein, the high-temperature flue gas (11) of described generator set (101) output all, part enter or all do not enter described UTILIZATION OF VESIDUAL HEAT IN equipment (102), remaining high-temperature flue gas row is to atmosphere, and the high-temperature flue gas (13) that enters described UTILIZATION OF VESIDUAL HEAT IN equipment (102) converges back row to atmosphere with described remaining high-temperature flue gas after this UTILIZATION OF VESIDUAL HEAT IN apparatus cools.
10. according to each described system among the claim 1-9, wherein, described generator set is a combustion gas internal combustion engine generator group.
CN2010106220204A 2010-12-29 2010-12-29 Self-electricity consumption reduction combined cooling heat and power system Pending CN102116215A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106285803A (en) * 2016-09-20 2017-01-04 天津大学 Natural gas overbottom pressure cold energy cogeneration unit
CN111878224A (en) * 2020-06-30 2020-11-03 同济大学 Evaporation heat exchanger for recycling surface heat radiation of component and household miniature cogeneration device
CN113790096A (en) * 2021-11-18 2021-12-14 山西凯嘉煤层气发电有限公司 Operation control method for variable frequency fan of gas generator set

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CN2797650Y (en) * 2005-06-08 2006-07-19 沈卫东 Low noise electric generation set
CN101158314A (en) * 2007-11-16 2008-04-09 无锡开普动力有限公司 Underpan structure of wind cooling electric generating set
CN101158310A (en) * 2007-11-16 2008-04-09 无锡开普动力有限公司 Ventilated structure and cooling method of wind cooling electric generating set
WO2009136555A1 (en) * 2008-05-07 2009-11-12 ヤンマー株式会社 Arrangement structure for power converter and control box in package-housed engine generator

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Publication number Priority date Publication date Assignee Title
CN1737461A (en) * 2004-08-17 2006-02-22 Lg电子株式会社 Cogeneration system
CN2797650Y (en) * 2005-06-08 2006-07-19 沈卫东 Low noise electric generation set
CN101158314A (en) * 2007-11-16 2008-04-09 无锡开普动力有限公司 Underpan structure of wind cooling electric generating set
CN101158310A (en) * 2007-11-16 2008-04-09 无锡开普动力有限公司 Ventilated structure and cooling method of wind cooling electric generating set
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106285803A (en) * 2016-09-20 2017-01-04 天津大学 Natural gas overbottom pressure cold energy cogeneration unit
CN111878224A (en) * 2020-06-30 2020-11-03 同济大学 Evaporation heat exchanger for recycling surface heat radiation of component and household miniature cogeneration device
CN111878224B (en) * 2020-06-30 2021-06-04 同济大学 Evaporation heat exchanger for recycling surface heat radiation of component and household miniature cogeneration device
CN113790096A (en) * 2021-11-18 2021-12-14 山西凯嘉煤层气发电有限公司 Operation control method for variable frequency fan of gas generator set

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Application publication date: 20110706