CN208042110U - A kind of boiler blowdown water waste heat recycling system - Google Patents
A kind of boiler blowdown water waste heat recycling system Download PDFInfo
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- CN208042110U CN208042110U CN201820395569.6U CN201820395569U CN208042110U CN 208042110 U CN208042110 U CN 208042110U CN 201820395569 U CN201820395569 U CN 201820395569U CN 208042110 U CN208042110 U CN 208042110U
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Abstract
The utility model discloses a kind of boiler blowdown water waste heat recycling systems, including boiler drum, platoon water pipe, boiler header, connecting pipe, hot water heating station and heat recovery mechanism, the discharge outlet of boiler drum is connected by platoon water pipe with the water inlet of boiler header, heat recovery mechanism includes expansion motive power machine, speed reducer and generator, and the output screw of expansion motive power machine is connected by speed reducer with generator;The water outlet of one end connection boiler header of connecting pipe, the other end connects the water inlet of expansion motive power machine, the discharge outlet of expansion motive power machine connects hot water heating station by a water-supply-pipe, the unified heat sewage collected is redistributed in expansion motive power machine by boiler header, heat expansion motive power machine, it is set to drive electrical power generators, the gas-vapor mix of expansion motive power machine discharge finally discharges hot water heating station, the recycling for realizing energy step effectiveness and whole waste heats and steam, environmental pollution is avoided while having high usage.
Description
Technical field
The utility model is related to a kind of heat recovery system, especially a kind of boiler blowdown water waste heat recycling system.
Background technology
Currently, domestic a large amount of power plant continuous blow down system is by continuous blowdown flash tank, regular unloading container and phase
The sewage of the compositions such as closing valve, pipeline, boiler drum discharge is discharged into periodical blowdown dilatation again after continuous blowdown flash tank recycles
In device, and directly working medium is discharged by regular unloading container, causes a large amount of unit part working medium and heat waste, it is this normal
The utilization ratio of the UTILIZATION OF VESIDUAL HEAT IN mode of rule is low, and the steam for having huge heat is contained in waste, and the sewage of direct emission is even more tight
The ecological environment of heavily contaminated locality.
Invention content
For overcome the deficiencies in the prior art, the utility model provides a kind of boiler environmentally protective, heat recovery rate is high
Sewerage waste heat recycling system.
Technical solution adopted by the utility model to solve its technical problems is:
A kind of boiler blowdown water waste heat recycling system, including boiler drum, platoon water pipe, boiler header, connecting tube
The discharge outlet of road, hot water heating station and heat recovery mechanism, the boiler drum passes through the platoon water pipe and the boiler collection
The water inlet of case is connected, and the heat recovery mechanism includes expansion motive power machine, speed reducer and generator, the expansion motive power machine
Output screw is connected by the speed reducer with the generator;One end of the connecting pipe connects going out for the boiler header
The mouth of a river, the other end connect the water inlet of the expansion motive power machine, and the discharge outlet of the expansion motive power machine is connected by a water-supply-pipe
The hot water heating station.
It is provided with solenoid valve and spare branch pipe on the platoon water pipe.
The spare branch pipe is provided with control valve.
The connecting pipe is disposed with safety valve, stop valve, filter screen, rapid cut-off valve and adjusting along water (flow) direction
Valve.
Pressure gauge, institute are both provided at the inlet and outlet of the water inlet of the water-supply-pipe and the connecting pipe
It states water-supply-pipe and is provided with exhaust steam valve.
The utility model has the beneficial effects that:The boiler header of the utility model reallocates the unified heat sewage collected
To expansion motive power machine, expansion motive power machine is heated, shaft coupling is made it through and speed reducer drives electrical power generators, expansion motive power machine
The gas-vapor mix of discharge is finally exhausted to hot water heating station, and user is supplied after hot water heating station is reprocessed, and realizes energy ladder
The recycling of grade effectiveness and whole waste heats and steam, avoids environmental pollution while having high usage, solves substantially
The heat economy and dielectric loss caused by sewage direct emission that boiler generates can to achieve the purpose that electric heating recycles
The thermal efficiency of full factory is improved, unit coal consumption and Station Service Electrical-Energy rate are reduced.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
Referring to Fig.1, a kind of boiler blowdown water waste heat recycling system, including boiler drum 1, platoon water pipe 2, boiler collection
The discharge outlet of case 3, connecting pipe 4, hot water heating station 5 and heat recovery mechanism, the boiler drum 1 passes through the platoon water pipe
2 are connected with the water inlet of the boiler header 3, and the heat recovery mechanism includes expansion motive power machine 6, speed reducer 7 and generator
8, the output screw of the expansion motive power machine 6 is connected by the speed reducer 7 with the generator 8;The one of the connecting pipe 4
End connects the water outlet of the boiler header 3, and the other end connects the water inlet of the expansion motive power machine 6, the expansion motive power machine 6
Discharge outlet the hot water heating station 5 is connected by a water-supply-pipe 9.The unified receipts of sewage that platoon water pipe 2 is discharged by boiler header 3
Collection is redistributed to connecting pipe 4, reduces thermal deviation, and what connecting pipe 4 was integrated contains hot sewage transport to the expansion motive power machine 6
It is interior, expansion motive power machine 6 is heated, shaft coupling is made it through and speed reducer 7 drives generator 8 to generate electricity, the expansion power generator 6 of screw
With well adapting to ability, under superheated steam, saturated vapor, gas-vapor mix and the low-quality fluid condition of high salinity
With good performance capabilities, can be transported well in the case where boiler platoon hydraulic pressure fluctuation, temperature and mass flow discrepancy weigh
Row is not necessarily to staff's regulation and control on duty, and the gas-vapor mix that expansion motive power machine 6 is discharged is finally exhausted to hot water heating station 5, through heat
User is supplied after 5 reprocessing of water heating station, the recycling of energy step effectiveness and whole waste heats and steam is realized, there is height
Environmental pollution is avoided while utilization rate.
It is provided with solenoid valve 10 and spare branch pipe 11 on the platoon water pipe 2, stops transport or ties up when heat recovery mechanism is impaired
When repairing maintenance, spare branch pipe 11 can be connected, sewage is drained into spare duct.The spare branch pipe 11 is provided with control valve 13.Institute
Connecting pipe 4 is stated to be disposed with safety valve 14, stop valve 15, filter screen 16, rapid cut-off valve 17 along water (flow) direction and adjust
Valve 18, multiple function valve synthetic operations can carry out recycling system timely adjustment, can be to recycling in the case of necessary
System takes urgent measure, it is ensured that system safety operation.The water inlet of the water inlet of the water-supply-pipe 9 and the connecting pipe 4
Mouth and water outlet are both provided with pressure gauge 19, and the water-supply-pipe 9 is provided with exhaust steam valve 12.
The utility model is generated electricity by recycling the high-quality steam of boiler platoon sewage, last depth recycling row
Vapour waste heat simultaneously carries out external supplying hot water, solves heat economy and medium damage caused by the sewage direct emission of boiler generation substantially
It loses, the thermal efficiency of full factory can be improved to achieve the purpose that electric heating recycles by energy cascade utilization, reduce unit consumption
Coal amount and Station Service Electrical-Energy rate.
Above embodiment cannot limit the protection domain of the invention, and the personnel of professional skill field are not departing from
In the case of the invention general idea, the impartial modification and variation done still fall within the range that the invention is covered
Within.
Claims (5)
1. a kind of boiler blowdown water waste heat recycling system, including boiler drum(1), platoon water pipe(2), boiler header(3),
Connecting pipe(4), hot water heating station(5)With heat recovery mechanism, the boiler drum(1)Discharge outlet pass through the platoon water
Pipe(2)With the boiler header(3)Water inlet be connected, it is characterised in that the heat recovery mechanism includes expansion motive power machine
(6), speed reducer(7)And generator(8), the expansion motive power machine(6)Output screw pass through the speed reducer(7)With the hair
Motor(8)It is connected;The connecting pipe(4)One end connect the boiler header(3)Water outlet, the other end connection it is described swollen
Swollen engine(6)Water inlet, the expansion motive power machine(6)Discharge outlet pass through a water-supply-pipe(9)Connect the hot water heating
It stands(5).
2. boiler blowdown water waste heat recycling system according to claim 1, it is characterised in that the platoon water pipe(2)
On be provided with solenoid valve(10)With spare branch pipe(11).
3. boiler blowdown water waste heat recycling system according to claim 2, it is characterised in that the spare branch pipe
(11)It is provided with control valve(13).
4. boiler blowdown water waste heat recycling system according to claim 1, it is characterised in that the connecting pipe(4)
It is disposed with safety valve along water (flow) direction(14), stop valve(15), filter screen(16), rapid cut-off valve(17)And regulating valve
(18).
5. boiler blowdown water waste heat recycling system according to claim 1, it is characterised in that the water-supply-pipe(9)'s
Water inlet and the connecting pipe(4)Inlet and outlet at be both provided with pressure gauge(19), the water-supply-pipe(9)If
It is equipped with exhaust steam valve(12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820395569.6U CN208042110U (en) | 2018-03-22 | 2018-03-22 | A kind of boiler blowdown water waste heat recycling system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820395569.6U CN208042110U (en) | 2018-03-22 | 2018-03-22 | A kind of boiler blowdown water waste heat recycling system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208042110U true CN208042110U (en) | 2018-11-02 |
Family
ID=63948364
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820395569.6U Active CN208042110U (en) | 2018-03-22 | 2018-03-22 | A kind of boiler blowdown water waste heat recycling system |
Country Status (1)
Country | Link |
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CN (1) | CN208042110U (en) |
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2018
- 2018-03-22 CN CN201820395569.6U patent/CN208042110U/en active Active
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