Biomass power generation circulating water heating system
Technical field
The utility model relates to power plant's heating equipment field, is specifically related to a kind of biomass power generation circulating water heating system.
Background technology
The main energy loss of steam power plant is the cold source energy from turbine condenser, and externally implementing heat supply is the effective measures making full use of this partial loss energy.
But biomass fermentation group of motors is because of main steam pressure, temperature instability, and the difficulty of carrying out circulating water heating stable operation is larger.And according to steam heating, the medium temperature of conveying is higher, the insulation construction due to pipeline is difficult to the effect of heat insulation ensureing that it is long-term, so cause a large amount of energy losses of course of conveying.And the outer loss that condensate water can be caused to discharge for steam, and the evaporation of cooling tower, wind, blowdown also can be with water to consume.
Utility model content
For the biomass power plant heat supply running solving prior art is unstable, energy loss is large, and water consumes large technical problem, and the utility model provides a kind of stable, and energy loss is little, and water consumes few biomass power generation circulating water heating system.
A kind of biomass power generation circulating water heating system, comprise electric circulating pump, condenser, constant pressure supply water pump, water supply tank and dirt separator, described condenser, described constant pressure supply water pump are connected with described water supply tank successively pipeline, described condenser is connected with described dirt separator pipeline, and described condenser is connected with described electric circulating pump pipeline.
In a kind of preferred embodiment of the biomass power generation circulating water heating system provided at the utility model, described biomass power generation circulating water heating system also comprises spike heat exchanger, and described electric circulating pump is connected with described spike heat exchanger tube.
In a kind of preferred embodiment of the biomass power generation circulating water heating system provided at the utility model, described condenser comprises condenser body and absorbing well, absorption well, described absorbing well, absorption well is located at below described condenser body, and described absorbing well, absorption well is connected with described condenser body pipeline.
In a kind of preferred embodiment of the biomass power generation circulating water heating system provided at the utility model, described absorbing well, absorption well is connected with described constant pressure supply water pump line road, and described absorbing well, absorption well is connected with described dirt separator pipeline.
In a kind of preferred embodiment of the biomass power generation circulating water heating system provided at the utility model, described water supply tank comprises water supply tank body and trench, and described water supply tank body side is located at by described trench, and described trench is connected with described water supply tank body pipeline.
In a kind of preferred embodiment of the biomass power generation circulating water heating system provided at the utility model, described constant pressure supply water pump is connected with described water supply tank body pipeline.
Compared to prior art, the described biomass power generation circulating water heating system that the utility model provides has following beneficial effect:
One, described biomass power generation circulating water heating system has good regulating power, and ensure that the stable of heating, be provided with described spike heat exchanger increases heat supply regulating power simultaneously further, when unit fault or weather consecutive low temperature, also can ensure heating demands.
Two, described biomass power generation circulating water heating system adopts recirculated water heating, and heat loss is less, greatly reduces the network loss of heating system.
Three, described biomass power generation circulating water heating system adopts recirculated water heating, has saved the demineralized water needed for producing steam, has decreased the former water prepared needed for demineralized water, and decreases the water consumption that the evaporation of cooling tower, wind and blowdown bring.
Four, described biomass power generation circulating water heating system is to enter the exhaust steam of described condenser body for thermal source after the generating of living beings Steam Turbine, and saving power and preventing pollution contaminates, environmental protection, new land occupation, and economizes on coal, economizes on water, and complies with national energy-saving and reduces discharging policy.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the heat flow diagrams of the biomass power generation circulating water heating system that the utility model provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.
Referring to Fig. 1, is the heat flow diagrams of the biomass power generation circulating water heating system that the utility model provides.
Described biomass power generation circulating water heating system 1 comprises spike heat exchanger 11, electric circulating pump 12, condenser 13, constant pressure supply water pump 14, water supply tank 15 and dirt separator 16.
Described condenser 13 comprises condenser body 131 and absorbing well, absorption well 132, and described absorbing well, absorption well 132 is located at below described condenser body 131, and described absorbing well, absorption well 132 is connected with described condenser body 131 pipeline.
Described water supply tank 15 comprises water supply tank body 151 and trench 152, and described water supply tank body 151 side is located at by described trench 152, and described trench 152 is connected with described water supply tank body 151 pipeline.
Described condenser body 131, described electric circulating pump 12 are connected with described spike heat exchanger 11 successively pipeline.Described absorbing well, absorption well 132, described constant pressure supply water pump 14 are connected with described water supply tank body 152 successively pipeline.Described absorbing well, absorption well 132 is connected with described dirt separator 16 pipeline.
During concrete enforcement, described spike heat exchanger 11 is docked with supplying hot water pipeline A, confession jet chimney B and drain tank pipeline C.Described electric circulating pump 12 is also docked with supplying hot water pipeline A.Described condenser body 131 is docked with cooling tower inlet channel D.Described water supply tank body 151 is docked with cooling tower outlet conduit E.Described dirt separator 16 is docked with water return pipeline F.
After the Steam Actuation steam turbine acting that boiler produces, enter described condenser body 131 heat cycles water.
During normal heating, recirculated water, under the effect of described electric circulating pump 12, enters described condenser body 131 from described absorbing well, absorption well 132 and heats, and the hot water after heating enters described supplying hot water pipeline A for user's heating.Cool after hot water heating for user's heating, get back to described biomass power generation circulating water heating system 1 from described water return pipeline F.Cold water enters described absorbing well, absorption well 132 after described dirt separator 16 processes, and waits for heat cycles again.
Due to the unstability of biomass power generation, when temperature is higher or boiler power is excessive, unnecessary hot water enters cooling tower cooling through described cooling tower inlet channel D.Cooled cold water gets back to described biomass power generation circulating water heating system 1 from described cooling tower outlet conduit E, is stored in described water supply tank body 151.Described trench 152 is for described water supply tank body 151 blowdown and anti-spilled.Described constant pressure supply water pump 14 in good time by the extremely described absorbing well, absorption well 132 of the water supply pump in described water supply tank body 151, makes described absorbing well, absorption well 132 water pressure invariableness according to described absorbing well, absorption well 132 hydraulic pressure.
When temperature is lower or boiler power is too small, described spike heat exchanger 11 starts.From described condenser body 131 hot water out after described spike heat exchanger 11 further heating, enter described supplying hot water pipeline A for user with the form of hot water and heat, or enter as a vapor described for jet chimney B for user heats.The condensate water of described spike heat exchanger 11 enters drain tank by described drain tank pipeline C, waits for that boiler is heated to be Steam Actuation steam turbine again.
Compared to prior art, the described biomass power generation circulating water heating system 1 that the utility model provides has following beneficial effect:
One, described biomass power generation circulating water heating system 1 has good regulating power, ensure that the stable of heating, be provided with described spike heat exchanger 11 simultaneously and increase heat supply regulating power further, when unit fault or weather consecutive low temperature, also can ensure heating demands.
Two, described biomass power generation circulating water heating system 1 adopts recirculated water to heat, and heat loss is less, greatly reduces the network loss of heating system.
Three, described biomass power generation circulating water heating system 1 adopts recirculated water to heat, and has saved the demineralized water needed for producing steam, decreases the former water prepared needed for demineralized water, and decreases the water consumption that the evaporation of cooling tower, wind and blowdown bring.
Four, described biomass power generation circulating water heating system 1 is to enter the exhaust steam of described condenser body 131 for thermal source after the generating of living beings Steam Turbine, and saving power and preventing pollution contaminates, environmental protection, new land occupation, and economizes on coal, economizes on water, and complies with national energy-saving and reduces discharging policy.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included within scope of patent protection of the present utility model.