CN207348914U - A kind of device that step screw expansion power generation is carried out using steam waste heat - Google Patents
A kind of device that step screw expansion power generation is carried out using steam waste heat Download PDFInfo
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- CN207348914U CN207348914U CN201721045992.5U CN201721045992U CN207348914U CN 207348914 U CN207348914 U CN 207348914U CN 201721045992 U CN201721045992 U CN 201721045992U CN 207348914 U CN207348914 U CN 207348914U
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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Abstract
The utility model discloses a kind of step screw expansion generating set of recyclable steam energy, including waste heat boiler, level-one screw expander, two level screw expander, heat collector, three-level screw expander, evaporative condenser；Level-one screw expander is connected in series with two level screw expander, it is respectively used for driving level-one generator and secondary generator power generation, make full use of the remaining energy of steam, the discharge of two level screw expander enters heat collector and the heat exchange of its interior media for steam exhaust, three-level electrical power generators are driven for three-level screw expander, and steam exhaust is condensed into condensation water, water is delivered to condensation water tank by condensation water by hot well and condensate pump, realize the recycling of condensed water, and waste heat boiler steam uses power generation by multistage, realize making full use of for pressurized vapor, at the same time electricity consumption has been saved for enterprise.
Description
Technical field
The utility model belongs to heat recovery field, and in particular to a kind of to carry out step screw expansion hair using steam waste heat
The device of electricity.
Background technology
During hydrogen sulfide is catalysed and reduced into sulphur and carbon disulphide production, it will produce substantial amounts of thermal energy, these heat
If the insufficient utilization of energy, not only causes the huge waste of the energy, but also can cause thermal pollution to environment, these usual thermal energy
Recycled using waste heat boiler, and waste heat boiler can effectively recycle this part of waste heat will produce the water vapour with pressure, tradition
Steam turbine generating device can not utilize saturation or moist steam to generate electricity, and be only used for superheated steam, and waste heat boiler often produces
Steam be saturation or moist steam, traditional steam turbine is difficult to use in power generation.Meanwhile using single stage screw expansion power generation recycling more than
The steam that heat boiler produces, energy recovery halfway problem low there are organic efficiency.
The content of the invention
For overcome the deficiencies in the prior art, the utility model provides one kind and utilizes steam waste heat to carry out step screw expansion hair
The device of electricity, can effectively recycle water vapour by using the device and generate electricity, and saved power consumption for enterprise, reduced life
Produce cost.
The purpose of this utility model is achieved through the following technical solutions：
A kind of device that step screw expansion power generation is carried out using steam waste heat, including waste heat boiler, level-one screw expansion
Machine, two level screw expander, heat collector, three-level screw expander, evaporative condenser；
The air entry of the level-one screw expander and the output terminal of waste heat boiler are connected by steam pipework, exhaust outlet with
The air entry connection of two level screw expander, the exhaust outlet of two level screw expander pass through the pipeline equipped with three-level air inlet adjustment valve
It is connected with an input terminal of heat collector, the steam pipework at the level-one screw expander air entry is equipped with level-one into controlled atmosphere
Valve is saved, level-one screw expander is connected by first class reducer with level-one generator, and the level-one generator is grid-connected by level-one
Cabinet is connected with power grid, and two level screw expander is connected by 2-level reducer with secondary generator, and the secondary generator passes through
Two level grid-connection cabinet is connected with power grid,
One output terminal of the output axis connection three-level generator of the three-level screw expander, input terminal and heat collector connects
Connect, the input terminal connection of output terminal and evaporative condenser, the output terminal of the evaporative condenser passes through equipped with high pressure
The pipeline of working medium pump and another input terminal of heat collector connect, another output terminal of the heat collector and the input terminal of hot well
Connection, the output terminal of the hot well pass through the input terminal and evaporating type condensing with condensation water tank respectively of the pipeline equipped with condensate pump
Another input terminal connection of device, the output terminal of the condensation water tank pass through the pipeline that is pumped equipped with boiler replenishing water and waste heat boiler
Input terminal connects.
Further, at the steam pipework at the level-one air inlet adjustment valve air inlet and three-level air inlet adjustment valve air inlet
Steam pipework between be equipped with branch line, the branch line is equipped with bypass quck-opening valve and bypass regulator valve.Bypass is set
The branch line of quck-opening valve and bypass regulator valve, it is therefore an objective to when level-one screw expander and two level screw expander trouble hunting
When, steam can be directly by the branch line equipped with bypass quck-opening valve and bypass regulator valve, and being directly used in heat collector makes three-level
Screw expander drives three-level electrical power generators.
Further, the steam pipework of the waste heat boiler output terminal connection is equipped with inlet valve, filter and flowmeter.
To detect the steam flow in steam pipework.
Further, the hot well is equipped with the water-ring vacuum pump for being used for vacuumizing.
The beneficial effects of the utility model：Level-one screw expander and two level screw expander are steam direct expansion type spiral shell
Bar expanding machine, the steam of waste heat boiler passes sequentially through level-one screw expander and two level screw expander by pipeline, for band
Dynamic level-one generator and secondary generator power generation, makes full use of the remaining energy of steam, the discharge of two level screw expander for steam exhaust
Exchange heat into heat collector and its interior media, steam exhaust is condensed into condensation water, and condensation water is defeated by water by hot well and condensate pump
Send to condensation water tank, medium heat absorption flashes to gases at high pressure and enters three-level screw expander, three-level screw expander rotate so that
Three-level electrical power generators are driven, high-pressure medium gas becomes low-pressure gas after the acting of three-level screw expander and enters vaporation-type
Condenser condenses, and condensed liquid medium absorbs heat again by high-pressure working medium pump pressurization into heat collector, completes whole circulation
Power generation process, waste heat boiler steam pass through Multi-class propagation, realize making full use of for pressurized vapor, while saved use for enterprise
Electricity.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the utility model.
In figure：1. waste heat boiler；2. intake valve；3. filter；4. flowmeter；5. bypass quck-opening valve；6. bypass regulator valve；
7. level-one air inlet adjustment valve；8. level-one screw expander；9. first class reducer；10. level-one generator；11. level-one grid-connection cabinet；
12. three-level air inlet adjustment valve；13. heat collector；14. three-level screw expander；15. three-level generator；16. evaporative condenser；
17. high-pressure working medium pumps；18. branch line；19. hot well；20. water-ring vacuum pump；21. condensate pump；22. two level screw expansion
Machine；23. 2-level reducer；24. secondary generator；25. two level grid-connection cabinet；26. condensation water tank；27. boiler replenishing water pumps.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of device that step screw expansion power generation is carried out using steam waste heat, including waste heat boiler 1, one
Level screw expander 8, two level screw expander 22, heat collector 13, three-level screw expander 14, evaporative condenser 16；It is described
The air entry of level-one screw expander 8 is connected with the output terminal of waste heat boiler 1 by steam pipework, and exhaust outlet and two level screw rod are swollen
The air entry connection of swollen machine 22, level-one screw expander and two level screw expander are connected in series, make full use of steam thermal energy,
And then it is changed into mechanical energy, making full use of for steam energy is realized, the exhaust outlet of two level screw expander 22 passes through equipped with three
The level pipeline of air inlet adjustment valve 12 is connected with an input terminal of heat collector 13, and three-level air inlet adjustment valve is used to adjust three-level power generation
The generated output of machine, the steam pipework at 8 air entry of level-one screw expander are equipped with level-one air inlet adjustment valve 7, level-one
Into the setting of steam control valve, level-one generator and secondary generator rotating speed and generated output are can control, level-one screw expander 8 is logical
First class reducer 9 to be crossed to be connected with level-one generator 10, the level-one generator 10 is connected by level-one grid-connection cabinet 11 with power grid, and two
Level screw expander 22 is connected by 2-level reducer 23 with secondary generator 24, and the secondary generator 24 is grid-connected by two level
Cabinet 25 is connected with power grid, and the level-one generator and secondary generator are connected by level-one grid-connection cabinet and two level grid-connection cabinet with power grid
Connect；When level-one generator and secondary generator rotating speed reach 1500rpm, and the voltage of level-one generator and secondary generator,
When frequency, phase angle are identical with power grid, the level-one grid-connection cabinet and two level grid-connection cabinet automatic closing so that the level-one hair
Motor and secondary generator are connected with power grid；
The output axis connection three-level generator 15 of the three-level screw expander 14, one of input terminal and heat collector 13 are defeated
Outlet connects, and output terminal is connected with an input terminal of evaporative condenser 16, and the output terminal of the evaporative condenser 16 leads to
Cross the pipeline equipped with high-pressure working medium pump 17 to be connected with another input terminal of heat collector 13, another output of the heat collector 13
End is connected with the input terminal of hot well 19, the output terminal of the hot well 19 by the pipeline equipped with condensate pump 21 respectively with condensed water
The input terminal of case 26 is connected with another input terminal of evaporative condenser 16, the output terminal of the condensation water tank 26 by equipped with
The pipeline of boiler replenishing water pump 27 is connected with the input terminal of waste heat boiler 1.
Further, the steam pipework at 7 air inlet of level-one air inlet adjustment valve and 12 air inlet of three-level air inlet adjustment valve
Branch line 18 is equipped between steam pipework at mouthful, the branch line is equipped with bypass quck-opening valve 5 and bypass regulator valve 6.
The branch line of bypass quck-opening valve and bypass regulator valve is set, it is therefore an objective to when level-one screw expander and the event of two level screw expander
During barrier maintenance, steam can be directly used in heat collector directly by the branch line equipped with bypass quck-opening valve and bypass regulator valve
Three-level screw expander is set to drive three-level electrical power generators.
Further, the steam pipework of the waste heat boiler output terminal connection is equipped with inlet valve 2, filter 3 and flow
Meter 4.To detect the steam flow in steam pipework.
Further, the hot well is equipped with the water-ring vacuum pump 20 for being used for vacuumizing, the water-ring vacuum pump
For maintaining hot well negative pressure to -20KPa.
During work, the steam of waste heat boiler passes sequentially through level-one screw expander and two level screw expander by pipeline,
For driving level-one generator and secondary generator to generate electricity, the remaining energy of steam is made full use of, the discharge of two level screw expander
Enter heat collector for steam exhaust to exchange heat with its interior media, steam exhaust is condensed into condensation water, and condensation water passes through hot well and condensate pump
Water is delivered to condensation water tank, realizes the recycling of condensed water, medium heat absorption flashes to gases at high pressure and enters three-level screw rod
Expanding machine, three-level screw expander are rotated so as to drive three-level electrical power generators, and high-pressure medium gas passes through three-level screw expansion
Machine acting after become low-pressure gas into evaporative condenser condense, condensed liquid medium by high-pressure working medium pump pressurize into
Enter heat collector to absorb heat again, complete whole circulating generation process, waste heat boiler steam generates electricity by Multi-class propagation, realizes steaming with pressure
Vapour makes full use of, while has saved electricity consumption for enterprise.
Claims (4)
1. a kind of device that step screw expansion power generation is carried out using steam waste heat, it is characterised in that including waste heat boiler, level-one
Screw expander, two level screw expander, heat collector, three-level screw expander, evaporative condenser；
The air entry of the level-one screw expander and the output terminal of waste heat boiler are connected by steam pipework, exhaust outlet and two level
The air entry connection of screw expander, the exhaust outlet of two level screw expander is by the pipeline equipped with three-level air inlet adjustment valve with taking
One input terminal of hot device connects, and the steam pipework at the level-one screw expander air entry is equipped with level-one air inlet adjustment
Valve, level-one screw expander are connected by first class reducer with level-one generator, and the level-one generator passes through level-one grid-connection cabinet
It is connected with power grid, two level screw expander is connected by 2-level reducer with secondary generator, and the secondary generator passes through two
Level grid-connection cabinet is connected with power grid；
The output terminal connection of the output axis connection three-level generator of the three-level screw expander, input terminal and heat collector,
One input terminal of output terminal and evaporative condenser connects, and the output terminal of the evaporative condenser passes through equipped with high-pressure working medium
The pipeline of pump and another input terminal of heat collector connect, another output terminal of the heat collector and the input terminal of hot well connect
Connect, the output terminal of the hot well passes through the input terminal and evaporative condenser with condensation water tank respectively of the pipeline equipped with condensate pump
The connection of another input terminal, the output terminal of the condensation water tank is defeated by the pipeline that is pumped equipped with boiler replenishing water and waste heat boiler
Enter end connection.
2. a kind of device that step screw expansion power generation is carried out using steam waste heat according to claim 1, its feature are existed
In between the steam pipework at steam pipework and three-level air inlet adjustment valve air inlet at the level-one air inlet adjustment valve air inlet
Equipped with branch line, the branch line is equipped with bypass quck-opening valve and bypass regulator valve.
3. a kind of device that step screw expansion power generation is carried out using steam waste heat according to claim 1, its feature are existed
In the steam pipework of the waste heat boiler output terminal connection is equipped with inlet valve, filter and flowmeter.
4. a kind of device that step screw expansion power generation is carried out using steam waste heat according to claim 1, its feature are existed
In the hot well is equipped with the water-ring vacuum pump for being used for vacuumizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721045992.5U CN207348914U (en) | 2017-08-21 | 2017-08-21 | A kind of device that step screw expansion power generation is carried out using steam waste heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721045992.5U CN207348914U (en) | 2017-08-21 | 2017-08-21 | A kind of device that step screw expansion power generation is carried out using steam waste heat |
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| Publication Number | Publication Date |
|---|---|
| CN207348914U true CN207348914U (en) | 2018-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721045992.5U Active CN207348914U (en) | 2017-08-21 | 2017-08-21 | A kind of device that step screw expansion power generation is carried out using steam waste heat |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387176A (en) * | 2017-08-21 | 2017-11-24 | 山西铁峰化工有限公司 | A kind of device and method that step screw expansion generating is carried out using steam waste heat |
| CN113483320A (en) * | 2021-06-29 | 2021-10-08 | 湖北宜化化工股份有限公司 | Ash water low flash steam recycling system |
-
2017
- 2017-08-21 CN CN201721045992.5U patent/CN207348914U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387176A (en) * | 2017-08-21 | 2017-11-24 | 山西铁峰化工有限公司 | A kind of device and method that step screw expansion generating is carried out using steam waste heat |
| CN113483320A (en) * | 2021-06-29 | 2021-10-08 | 湖北宜化化工股份有限公司 | Ash water low flash steam recycling system |
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