Boiler afterheat recycling system
Technical field
This utility model relates to boiler afterheat recovery technology field, particularly relates to a kind of boiler afterheat recycling system.
Background technology
It is known that there is the problems such as power consumption is high, pollute weight, efficiency is low during industrial boiler operation.Exhaust gas heat loss
The energy total amount of disalignment is huge, if can be made full use of by this part of energy, can improve fuel profit to a certain extent
Use efficiency.
Recovery waste heat is an important energy saving way, to this end, we provide a kind of can fully recycle waste heat
Boiler afterheat recycling system.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of boiler afterheat that can fully recycle waste heat
Recycling system.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is: a kind of boiler afterheat recycles
System, including the first retracting device, the second retracting device, steam storage tank, hot water storage tank, condensed water storage tank, first row blower fan,
Two exhaust blowers and flue gas processing device;Described first retracting device and described second retracting device include tank body respectively and are located at institute
The heat exchanger tube of the central shaft coiling in stating tank body and along described tank body;Described first retracting device is by the first pipeline with boiler even
Connecing, described first retracting device is connected with described second retracting device by second pipe, and described first retracting device passes through the
Three pipelines are connected with described steam storage tank;Described second retracting device is connected with described second row blower fan by the 4th pipeline, institute
State second row blower fan to be connected with described flue gas processing device;Described first retracting device and described second retracting device pass through respectively
5th pipeline is connected with described hot water storage tank;Described first retracting device and described second retracting device are respectively by the 6th pipeline
It is connected with described condensed water storage tank;Described condensed water storage tank is connected with boiler by the 7th pipeline;Described first row blower fan is located at
On described second pipe.
Further, also include the 8th pipeline, the first pipeline and described 4th pipeline described in described 8th pipeline communication, institute
State the 8th pipeline and be provided with the first valve switch;It is respectively equipped with the second valve on described first pipeline and described 4th pipeline to open
Close.
Further, described heat exchanger tube is spiral flue.
Further, described 5th pipeline is provided with the 3rd valve switch.
Further, described 3rd pipeline is provided with the 4th valve switch.
Further, described first retracting device and described second retracting device are respectively equipped with a relief valve.
Further, described 7th pipeline is provided with an oxygen-eliminating device.
Further, described first retracting device, described second retracting device and described hot water storage tank are respectively equipped with one
Temperature-detecting device.
Further, described first retracting device, described second retracting device, described hot water storage tank and the storage of described condensed water
The inner surface of the tank body of at least one in tank is provided with corrosion resistant coating.
The beneficial effects of the utility model are: arrange first, second retracting device, steam storage tank and hot water storage tank, energy
Enough recycle waste heat fully, improve fuel utilization efficiency to a certain extent;And can enter to the moisture content in flue gas
Row condensation is reclaimed, and has saved water resource;Flue gas is just discharged after flue gas processing device, decreases environmental pollution.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of this utility model embodiment one boiler afterheat recycling system;
Label declaration:
1, the first retracting device;2, the second retracting device;3, steam storage tank;4, hot water storage tank;5, condensed water storage tank;6,
One exhaust blower;7, second row blower fan;8, flue gas processing device;9, heat exchanger tube;10, boiler;11, the first pipeline;12, the second pipe
Road;13, the 3rd pipeline;14, the 4th pipeline;15, the 5th pipeline;16, the 6th pipeline;17, the 7th pipeline;18, the 8th pipeline;
19, relief valve;20, oxygen-eliminating device;21, the first valve switch;22, the second valve switch;23, the 3rd valve switch;24, the 4th valve
Door trip;25, communal facility;
Detailed description of the invention
By describing technology contents of the present utility model in detail, being realized purpose and effect, below in conjunction with embodiment and join
Conjunction accompanying drawing is explained.
The design of this utility model most critical is: arranges two retracting devices, fully reclaims waste heat, arrange steaming
Waste heat is in a disguised form stored by vapour storage tank, hot water storage tank, improves fuel utilization efficiency to a certain extent, and in flue gas
Moisture carries out condensation and reclaims, and has saved water resource.
Refer to Fig. 1, a kind of boiler afterheat recycling system, including the first retracting device, the second retracting device, steam
Storage tank, hot water storage tank, condensed water storage tank, first row blower fan, second row blower fan and flue gas processing device;
In described first retracting device and described second retracting device include tank body respectively and are located at described tank body and along institute
State the heat exchanger tube of the central shaft coiling of tank body;
Described first retracting device is connected with boiler by the first pipeline, described first retracting device pass through second pipe and
Described second retracting device connects, and described first retracting device is connected with described steam storage tank by the 3rd pipeline;
Described second retracting device is connected with described second row blower fan by the 4th pipeline, and described second row blower fan is with described
Flue gas processing device connects;
Described first retracting device and described second retracting device are connected with described hot water storage tank by the 5th pipeline respectively;
Described first retracting device and described second retracting device are respectively by the 6th pipeline with described condensed water storage tank even
Connect;
Described condensed water storage tank is connected with boiler by the 7th pipeline;
Described first row blower fan is located on described second pipe.
Knowable to foregoing description, the beneficial effects of the utility model are: arrange first, second retracting device, steam storage
Tank and hot water storage tank, it is possible to recycle waste heat fully, improve fuel utilization efficiency to a certain extent;And it is right to arrive
Moisture content in flue gas carries out condensation and reclaims, and has saved water resource;Flue gas is just discharged after flue gas processing device, decreases environment
Pollute.
Further, also include the 8th pipeline, the first pipeline and described 4th pipeline described in described 8th pipeline communication, institute
State the 8th pipeline and be provided with the first valve switch;It is respectively equipped with the second valve on described first pipeline and described 4th pipeline to open
Close.
Seen from the above description, after boiler afterheat recycling system of the present utility model breaks down problem, permissible
Open the first valve switch, close the second valve switch thus flue gas is expelled directly out, it is to avoid need boiler down during maintenance.
Further, described heat exchanger tube is spiral flue.
Seen from the above description, the flue gas in the flue around tank body central shaft coiled coil is conducive to pipeline and tank body
Interior water carries out heat exchange.
Further, described 5th pipeline is provided with the 3rd valve switch.
Seen from the above description, the temperature that the 3rd valve switch is conducive to controlling to enter hot water storage tank's hot water, water temperature are set
The 3rd valve switch is just opened, by the delivery in first, second retracting device to hot water storage tank when reaching threshold value.
Further, described 3rd pipeline is provided with the 4th valve switch.
Seen from the above description, the temperature that the 4th valve switch is conducive to controlling to enter steam storage tank steam, steam are set
Just open the 4th valve switch when temperature reaches threshold value, the steam in the first retracting device is transported to steam storage tank.
Further, described first retracting device and described second retracting device are respectively equipped with a relief valve.
Seen from the above description, when the first retracting device tank body or the second retracting device tank interior pressure are excessive, can
By relief valve pressure release, it is to avoid pressure excessive damage tank body.
Further, described 7th pipeline is provided with an oxygen-eliminating device.
Seen from the above description, the condensed water after oxygen-eliminating device processes disclosure satisfy that boiler feed water standard, it is to avoid corrosion
Boiler internal structure.
Further, described first retracting device, described second retracting device and described hot water storage tank are respectively equipped with one
Temperature-detecting device.
Seen from the above description, temperature-detecting device is set and can obtain first, second retracting device tank interior in time
Hot water temperature's data.
Further, described first retracting device, described second retracting device, described hot water storage tank and the storage of described condensed water
The inner surface of the tank body of at least one in tank is provided with corrosion resistant coating.
Seen from the above description, arrange corrosion resistant coating can allow tank body durable in use, reduce use cost.
Embodiment one
Refer to Fig. 1, embodiment one of the present utility model is: a kind of boiler afterheat recycling system, including first time
Receiving apparatus the 1, second retracting device 2, steam storage tank 3, hot water storage tank 4, condensed water storage tank 5, first row blower fan 6, second row blower fan 7
With flue gas processing device 8;Described first retracting device 1 and described second retracting device 2 include tank body respectively and are located at described tank
The heat exchanger tube 9 that internal and along described tank body central shaft coils, as preferably, described heat exchanger tube 9 is spiral flue;
Described first retracting device 1 is connected with boiler 10 by the first pipeline 11, described first retracting device 1 by second pipe 12 and
Described second retracting device 2 connects, and described first retracting device 1 is connected with described steam storage tank 3 by the 3rd pipeline 13;Described
Second retracting device 2 is connected with described second row blower fan 7 by the 4th pipeline 14, at described second row blower fan 7 and described flue gas
Reason device 8 connects;Described first retracting device 1 and described second retracting device 2 are respectively by the 5th pipeline 15 and described hot water
Storage tank 4 connects;Described first retracting device 1 and described second retracting device 2 are respectively by the 6th pipeline 16 and described condensed water
Storage tank 5 is connected described condensed water storage tank 5 and is connected with boiler 10 by the 7th pipeline 17;Described first row blower fan 6 is located at described
On two pipelines 12.
Further, also include that the 8th pipeline 18, described 8th pipeline 18 connect described first pipeline 11 and the described 4th
Pipeline 14, described 8th pipeline 18 is provided with the first valve switch 21;Divide on described first pipeline 11 and described 4th pipeline 14
It is not provided with the second valve switch 22.When boiler waste heat recovery system breaks down and needs repairing, the first valve can be opened and open
Closing 21, close two the second valve switch 22, flue gas is expelled directly out via second row blower fan 7, flue gas processing device 8, keeps in repair people
Member can carry out the service work of system under the work premise not stopping boiler, it is to avoid boiler down causes damage.
Described 5th pipeline 15 is provided with the 3rd valve switch 23, and described 3rd pipeline 13 is provided with the 4th valve switch
24, when steam collected by needs, to close the 3rd valve switch 23, open the 4th valve switch 24, steam storage tank 3 stores steam.
Preferably, described first retracting device 1 and described second retracting device 2 are respectively equipped with a relief valve 19, when
Relief valve 19 pressure release can be passed through, it is to avoid cause safety when pressure is excessive in the tank body of one retracting device 1 or the second retracting device 2
Accident.A temperature detection dress it is respectively equipped with on described first retracting device 1, described second retracting device 2 and described hot water storage tank 4
Put, it is simple to user knows temperature data.
Described 7th pipeline 17 is provided with an oxygen-eliminating device 20, oxygen-eliminating device 20 can remove be dissolved in the oxygen of condensed water and other
Gas, reduces, prevents the corrosion of boiler feed pipe, economizer and other auxiliary device.Condensed water storage tank 5 can be used to washing one's hands
The communal facilitys such as pond 25 supply water, beneficially saving water resource, it is to avoid waste.
Further, described first retracting device 1, described second retracting device 2, described hot water storage tank 4 and described cold
The inner surface of the tank body of at least one in solidifying water storage tank 5 is provided with corrosion resistant coating, so that tank body is durable in use, is conducive to fall
Low use cost.
In sum, the boiler afterheat recycling system that this utility model provides, it is possible to recycle waste heat fully,
Improve fuel utilization efficiency to a certain extent;And reclaim to the moisture content in flue gas being carried out condensation, having saved water money
Source;Flue gas is just discharged after flue gas processing device, decreases environmental pollution;Durable in use, easy to maintenance.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, every
Utilize the equivalents that this utility model description and accompanying drawing content are made, or be directly or indirectly used in relevant technology neck
Territory, is the most in like manner included in scope of patent protection of the present utility model.