Summary of the invention
The object of the invention is to for the deficiencies in the prior art, the system of a kind of high fuel conversion systems and heat pump and natural cooling device compound is provided.
The object of the invention is to be achieved through the following technical solutions: the system of a kind of fuel conversion systems and heat pump and natural cooling device compound, system comprises fuel conversion systems, also comprise heat pump, natural cooling device one or both, natural cooling device is connected to fuel conversion systems downstream by flue; Heat pump is connected to fuel conversion systems downstream by flue, and the cold side C of fuel conversion systems heat pump is connected; The cold side C of heat pump is provided with evaporimeter or heat pump heat collector; Evaporimeter or heat pump heat collector are connected with fuel conversion systems; The hot side h of heat pump is provided with heat pump condenser, and heat pump condenser is connected by water pipe with fuel conversion systems; Described heat pump contains one or more heat pump.
Further, described system also comprises reheat machine, and reheat machine is arranged on heat pump, natural cooling device downstream by flue.
Further, described system also comprises smoke processing system, and described smoke processing system comprises the flue gas heat-recovering device, dust arrester, the desulfurizer that are connected successively; Fuel conversion systems is connected with the flue gas heat-recovering device in its downstream by flue, and desulfurizer is connected by the evaporimeter in flue and its downstream or heat pump heat collector; Heat pump condenser is connected by water pipe with flue gas heat-recovering device, then is connected with fuel conversion systems by water pipe; Or heat pump condenser is directly connected with fuel conversion systems by water pipe.
Further, described fuel conversion systems comprises hot-water boiler, and heat pump condenser is connected by water pipe with flue gas heat-recovering device, then is connected with hot-water boiler by water pipe, or heat pump condenser is directly connected with hot-water boiler by water pipe.
Further, described hot-water boiler is connected with heat pump by pipeline.
Further, described fuel conversion systems comprises hot-water boiler and steam and water heat-exchanger rig, and hot-water boiler is connected by jet chimney with water heat-exchanger rig with steam, containing heat exchange medium in jet chimney; Heat pump condenser is connected by water pipe with flue gas heat-recovering device, then is connected with water heat-exchanger rig with steam by water pipe, or it is directly connected with water heat-exchanger rig with steam by water pipe.
Further, described jet chimney is connected with heat pump.
Further, described fuel conversion systems comprises steam boiler, steam and water heat-exchanger rig, also comprises one or both in TRT, steam engine; Heat pump condenser is connected by water pipe with flue gas heat-recovering device, then is connected with water heat-exchanger rig with steam by water pipe, or it is directly connected with water heat-exchanger rig with steam by water pipe; Hot-water boiler is connected by jet chimney with water heat-exchanger rig with steam, containing heat exchange medium in jet chimney; Described TRT comprises steamer device and generator, and steamer device is arranged in jet chimney, and steamer device is connected with generator; Steam engine is connected with jet chimney.
Further, described heat pump is one, is connected with generator, steam engine, jet chimney or the external energy.
Further, described heat pump is multiple, is connected respectively with generator, steam engine, jet chimney or the external energy.
Beneficial effect of the present invention is: the system of high fuel conversion systems provided by the invention and heat pump and natural cooling device compound, this system utilizes natural cooling source cooled flue gas, it take low heat valve as radix that the efficiency of utilization of fuel can be made to be greater than 100%(), make high pollution fuel, as the pollutant emission level of coal burning boiler flue gas, suitable, even lower with the pollutant emission level of gas fired-boiler flue gas.Be applicable to Chinese energy feature, be the clean utilization of coal, provide a kind of feasible approach, there is the features such as simple efficient, economically feasible, environmental protection and energy saving.
Accompanying drawing explanation
Fig. 1 is the systematic schematic diagram one of hot-water boiler and heat pump compound;
Fig. 2 is the systematic schematic diagram two of hot-water boiler and heat pump compound;
Fig. 3 is the systematic schematic diagram three of hot-water boiler and heat pump compound;
Fig. 4 is the systematic schematic diagram one of hot-water boiler and heat pump compound;
Fig. 5 is the systematic schematic diagram two of hot-water boiler and heat pump compound;
Fig. 6 is the systematic schematic diagram one of hot-water boiler, steam turbine, generator and heat pump compound;
Fig. 7 is the systematic schematic diagram two of hot-water boiler, steam turbine, generator and heat pump compound;
Fig. 8 is the systematic schematic diagram of hot-water boiler, steam turbine, generator, steam turbine and heat pump compound;
Fig. 9 is the systematic schematic diagram of hot-water boiler, steam turbine and heat pump compound;
Figure 10 is the systematic schematic diagram of heat pump downstream with natural cooling device;
Figure 11 is the systematic schematic diagram directly utilizing ambient, cool air cooled flue gas;
Figure 12 is the systematic schematic diagram of heat pump downstream with reheat machine;
Figure 13 is heat pump downstream with the systematic schematic diagram of natural cooling device and reheat machine;
Figure 14 is the systematic schematic diagram only having nature to cool without heat pump;
Figure 15 is the systematic schematic diagram only having natural cooling device and reheat machine without heat pump;
Figure 16 is heat pump heat-obtaining mode schematic diagram one;
Figure 17 is heat pump heat-obtaining mode schematic diagram two;
Figure 18 is nature type of cooling schematic diagram one;
Figure 19 is nature type of cooling schematic diagram two;
Figure 20 is the mode schematic diagram utilizing the direct heating boiler water inlet of flue gas;
Figure 21 is the mode schematic diagram utilizing the direct heating boiler air intake of flue gas;
Figure 22 is the mode schematic diagram utilizing the direct heating boiler air intake of flue gas and water inlet;
Figure 23 is the systematic schematic diagram that heat pump contains multiple heat pump;
Figure 24 is the systematic schematic diagram of heat pump preboiler water inlet simultaneously and inlet air of boiler;
In figure, fuel conversion systems 1, heat pump 2, smoke processing system 3, natural cooling device 4, reheat machine 5, hot-water boiler 11, air preheater 12, steam and water heat-exchanger rig 13, steamer device 14, generator 15, steam engine 16, compressor 21, throttling arrangement 22, evaporimeter 23, heat pump condenser 24, intake air preheater 241, heat pump heat collector 25, first pump 26, flue gas heat-recovering device 31, , boiler intake air preheater 311, additional flue gas heat-recovering device 31, dust arrester 32, desulfurizer 33, cooling tower 41, second pump 42, gas cooler 43, 3rd pump 44, heat exchanger 45.
Detailed description of the invention
The system of fuel conversion systems and heat pump and natural cooling device compound comprises fuel conversion systems 1, heat pump 2, and fuel conversion systems 1 is connected with the heat pump 2 in its downstream by flue; The cold side C of heat pump 2 is connected with flue, and namely the evaporimeter 23 of heat pump 2 or heat pump heat collector 25 are placed in flue; The hot side h of heat pump, namely heat pump condenser 24 is connected with fuel conversion systems 1 by water pipe, the water that need heat or liquid L, first through heat pump preheating, then enters fuel conversion systems 1 and is heated; Wherein, heat pump 2 comprises one or more heat pump (as shown in figure 23), separate between each heat pump, and in the shaft power that the electric energy that can be provided by generator 15, steam engine 16 provide, jet chimney, the heat energy of steam or the external energy drive.
The system of fuel conversion systems and heat pump and natural cooling device compound also comprises smoke processing system 3, fuel conversion systems 1 is connected with the smoke processing system 3 in its downstream by flue, and smoke processing system 3 is connected with the heat pump 2 in its downstream by flue; The cold side C of heat pump 2 is connected with flue gas, and namely the evaporimeter 23 of heat pump or heat pump heat collector 25 are placed in flue; The hot side h of heat pump 2, i.e. heat pump condenser 24, is connected by water pipe with flue gas heat-recovering device 31, as shown in figure 20, then is connected with fuel conversion systems 1 by water pipe; Or it is directly connected with fuel conversion systems 1 by water pipe;
The flue gas Y that fuel conversion systems 1 produces, first through smoke processing system 3, again through heat pump 2, the water that need heat or liquid L, first through heat pump 2 preheating, then through the flue gas heat-recovering device 31 of smoke processing system 3, as shown in figure 20, enter fuel conversion systems 1 after heating to be heated, or directly enter fuel conversion systems 1 and heated.
Utilize fuel conversion systems 1 heating water or other liquid, utilize the flue gas Y process that smoke processing system 3 pairs of fuel conversion systems produce, flue gas after smoke processing system 3 processes is as the thermal source of heat pump 2, the heat utilizing heat pump 2 to produce carries out preheating to water and other liquid, flue gas is after system 2 extracts heat, and its temperature reduces, hydrogenesis, dust in flue gas, the harmful components such as sulfide reduce.Fuel conversion systems 1 at least includes a hot-water boiler 11, and the fuel F of boiler is high pollution fuel, and as coal, containing the high wet goods of sulfur, its flue gas is the gas that can not directly discharge.
As shown in Fig. 2 to Figure 24, smoke processing system 3 comprises smoke eliminator (at least containing dust arrester and desulfurizer), smoke processing system also comprises flue gas heat-recovering device 31, flue gas heat-recovering device 31 can be used for heating boiler water inlet, as shown in figure 20, or boiler air inlet, as shown in figure 21, or heating boiler water inlet simultaneously and air inlet, as shown in figure 22.
Fuel conversion systems in Fig. 11 containing hot-water boiler 11, temperature be the water of Tc or liquid L after heat pump 2 preheating, temperature raises and becomes T
menter hot-water boiler 11, further heat temperature raising becomes T
h.Heat pump 2 cold side C heat-obtaining Q from flue gas, extraneous input energy is N, and heat is sidelong out heat Q+N to L.
Fig. 2 and Fig. 1 is different to be, in Fig. 2, system further comprises smoke processing system 3.
Fig. 3 and Fig. 2 is different to be, heat pump 2 adopts the hot water of hot-water boiler 11 to drive, and namely a part of water L2 supplies heat pump 2, and another part hot water L1 exports.
Fuel conversion systems 1 in Fig. 4 is containing hot-water boiler 11, and steam and water heat-exchanger rig 13, also containing air preheater 12.Hot-water boiler 11 is connected by jet chimney with water heat-exchanger rig 13 with steam, containing heat exchange medium in jet chimney; Heat in hot-water boiler 11 is delivered in steam and water heat-exchanger rig 13 by heat exchange medium (such as steam), thus heats L; Water or liquid after heat pump 2 preheating, then are heated by steam S through steam and water heat-exchanger rig 13, and condensed water CW returns boiler.The air inlet A of the hot-water boiler 11 and flue gas Y of discharge carries out exchange heat, i.e. flue gas Y heating boiler air inlet A.
Fig. 5 and Fig. 4 is different to be, steam is except heating water or liquid, and also supply steam S2 to drive heat pump, steam after condensation, also can return boiler, not represent in figure in heat pump.Hot-water boiler except heating water L and supply heat pump, externally can also export steam S1 except being used for.
Containing hot-water boiler 11, steam and water heat-exchanger rig 13, steamer device 14, generator 15 in Fig. 6, the steam S generated electricity through steam turbine 14 enters steam and water heat-exchanger rig 13 heats L, steam turbine 14 drives generator 15 to generate electricity, generator 15 sends electric E, E may be used for driving heat pump 2, also can do other and use.
Fig. 7 and Fig. 6 is different to be, heat pump adopts thermal drivers formula heat pump, comprises absorption heat pump, adsorption type heat pump etc., does not adopt the electric drive of generator 15, adopts steam drive.
Fig. 8 and Fig. 7 is different to be, system also has steam turbine 16, steam engine 16 output shaft power Z, direct driving mechanical formula operation of heat pump.
Fig. 9 and Fig. 8 is different to be, system is not containing steam turbine 14 and generator 15.
Figure 10 adds natural cooling device 4 on the basis of Fig. 6, namely adds natural cooling device 4 pairs of flue gases in the downstream of heat pump 2 and cools further, and natural cooling device 4 utilizes outdoor cold ambient air temperature A in winter
mas heat sink, heat-obtaining q from flue gas.
Figure 11 utilize ambient, cool air CA directly and flue gas Y in cooling tower 41, be mixed to get the mist M of low temperature.
Figure 12 adds reheat machine 5 on Fig. 6 basis, namely adds reheat machine 5 in the downstream of heat pump 2, carries out reheating to flue gas, reheat machine 5 utilizes thermal source, as the thermal source that heat pump provides, or heat pump upstream flue gas is reheating thermal source ZH, provides heat h to heat pump 2 downstream fume gas.
Figure 13 is by Figure 11 and Figure 12 compound, and namely heat pump 2 downstream is increased in natural cooling device 4, and the downstream of natural cooling device 4 increases reheat machine 5.
Heat pump 2 natural cooling device 4, on the basis of Fig. 6, substitutes by Figure 14.
Figure 15, on the basis of Figure 14, adds reheat machine 5 in natural cooling device 4 downstream.
The form of heat pump 2, on the basis of Fig. 2, is specialized, is adopted mechanical compression heat pump in Figure 16 by Figure 16, and heat pump 2 is by compressor 21, and throttling arrangement 22, condenser 24 and evaporimeter 23 form.Directly and smoke contacts, flue gas and freon direct heat transfer, can also adopt mode as shown in figure 17 to evaporimeter 23, can also adopt alternate manner.
Heat pump also can adopt other heat pump form, as absorption heat pump.
The different form being heat pump 2 heat-obtaining from flue gas of Figure 17 and Figure 16, compared with Figure 16, evaporimeter 23 not direct heat-obtaining from flue gas, and be the increase in heat collector 25 and the first pump 26, first pump 26 drives heat exchanging fluid to circulate in heat collector 25 with evaporimeter 23, and heat exchanging fluid is by non-immediate heat exchanger, i.e. heat collector 25 heat-obtaining from flue gas, then transfer heat to evaporimeter 23, evaporimeter 23 obtains heat from heat exchanging fluid.
Heat collector 25 also can take direct heat transfer form, heat-obtaining from flue gas, i.e. heat exchanging fluid and flue gas direct contact heat transfer, and heat collector can adopt similar spray chamber form, or packed tower form etc.
Figure 18 adds natural cooling device 4 on the basis of Figure 17, comprises cooling tower 41, the second pump 42 and gas cooler 43.Second pump 42 drives cooling liquid, as water or salt solution circulate between cooling tower 41 and gas cooler 43, flue gas is cooled.Gas cooler 43 also can adopt similar spray chamber form, or packed tower form etc., flue gas and cooling liquid direct contact heat transfer.
Figure 19 adds heat exchanger 45 and the 3rd pump 44 on the basis of Figure 18,3rd pump 44 drives heat exchanging fluid to circulate between flue gas cooling 43 and heat exchanger 45,3rd pump 42 drives cooling liquid, as water or salt solution circulate between cooling tower 41 and heat exchanger 44, cooling liquid cooling heat transferring fluid, heat exchanging fluid cooled flue gas.
Figure 20, based on Fig. 2, utilizes flue gas heat-recovering device 31 heating to come water or other liquid L of hot water boiler 11, sends into boiler again after heating.
Figure 21 and Figure 20 is different to be, the heat that flue gas heat-recovering device 31 reclaims is used for the air inlet of heating boiler, namely utilizes the air inlet of boiler intake air preheater 311 heating boiler, has heat exchanging fluid to circulate between heat reclamation device 31 and intake air preheater 311.
The heat that Figure 22 utilizes flue gas heat-recovering device 31 to reclaim is used for the air inlet of heating boiler, utilizes additional flue gas heat-recovering device 312 to heat water from heat pump or liquid simultaneously.
Figure 23, based on Fig. 2, is with Fig. 2 difference, and heat pump 2 is containing multiple heat pump, and in Figure 23 be two, can be greater than two, different heat pumps can adopt different forms, if any employing compressing hot pump, some employing sorption type heat pumps etc.The cold-side temperature of different heat pump can be different, is conducive to cascaded utilization of energy.
Figure 24 is based on Fig. 2, and while the heat heating water utilizing heat pump or other liquid, its heat is also used for the air inlet of heating boiler, and the heat by heat pump delivers to intake air preheater 241 heating air inlet by water or other liquid L, then returns heat pump.