CN103147812B - A kind of screw expander formula flue gas waste heat power generation device - Google Patents
A kind of screw expander formula flue gas waste heat power generation device Download PDFInfo
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- CN103147812B CN103147812B CN201310098658.6A CN201310098658A CN103147812B CN 103147812 B CN103147812 B CN 103147812B CN 201310098658 A CN201310098658 A CN 201310098658A CN 103147812 B CN103147812 B CN 103147812B
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Abstract
A kind of screw expander formula flue gas waste heat power generation device, it is characterized in that: it comprises air-water heat exchanger, first hand stop valve, first Electric Actuated Stop Valves, filter, on first-class gauge, first expansion joint, pneumatic fast valve and pneumatic control valve, the output terminal of pneumatic control valve is connected on screw expander, screw expander is by being connected with generator after speed reducer, screw expander heat recovery steam output terminal is connected with the second expansion joint, the output terminal of the second expansion joint is connected on one-way valve, the output terminal of one-way valve is connected with the second Electric Actuated Stop Valves and the second hand stop valve in turn, the output terminal of the second hand stop valve is connected on condenser, the output terminal of condenser is connected on condensate water tank, the present invention utilizes heat-exchange system, screw expansion machine power generating system, condensate system and industrial circulating water system to form one and by the power generation system containing solid impurity fume afterheat efficiency utilization, can save the energy, protected environment.
Description
Technical field
The present invention relates to a kind of electricity generating device, particularly relate to utilize large scale industry smelting, boiler heating industry fume afterheat generating device, specifically just relate to a kind of screw expander formula flue gas waste heat power generation device.
Background technique
In the industrial production, waste heat energy ubiquity.The blast furnace gas of metallurgical iron industry, blast furnace gasification cooling water; The afterheat steam of the industrial heating furnace generation of the hot-rolled process such as wire rod, bar, thin plate, slab of iron and steel enterprise and open hearth gasification cooling water; The catalysis of petrochemical industry oil refining apparatus, cracking, coking cooling water; Roasting in chemical industry gas washing in SA production, burn sulphur operation, and all there is a large amount of waste heats in the flue gas etc. that various Industrial Stoves kiln hood and kiln tail produce.
What Chinese patent 200920207915.4 disclosed a kind of pure cryogenic low pressure utilizes low-quality steam waste heat electricity generating device, and it adopts screw expansion motor.Steam is introduced into machine inner screw teeth groove, and lead-screw rotates, and along with bolt rotary, teeth groove rotates also lengthening gradually, volume increases, and medium step-down cooling expansion work, discharges from teeth groove.Power exports from driving screw axle, drives electrical power generators.Screw power machine is the power engine of positive displacement working principle, and except leakage loss, little unknown losses, mechanical efficiency is higher, even if medium parameter or load change still can keep high efficiency.The dispersion of low-quality afterheat steam thermal source can be overcome, the not high and fluctuation defect such as larger of pressure.Because of low-quality afterheat steam thermal source dispersion, its pressure is not high and fluctuation causes more greatly generator requirement higher, and adopt TZHW3 type no-brush synchronous generator, its structure is brushless excitation structure.No-brush synchronous generator is made up of main generator, AC exciter, rotating rectifier, automatic voltage regulator etc.Drive end has the flange spigot and mounting hole that dock with power engine, axle is equipped with stacked elastic coupling flexible coupling, can directly and power engine abutting joint.There is the features such as regulation precision is high, dynamic performance good and volume is little, lightweight, installation and maintenance are simple, reliable.Controller major control screw expander air intake valve and decompressor lubrication system, be furnished with programmable controller and display screen, the each valve state of display screen Dynamic Announce, screw expander inlet steam flow, gateway vapor pressure and temperature, decompressor rotating speed etc.Control system can realize Non-follow control and automatically control, and when power load reduces, manually adjusts generated energy.Generator control part is mainly incorporated into the power networks cabinet, configures different voltage regulators according to consumer networks waveform situation, and ensure that electricity that generator sends all is sent into electrical network and do not affected electrical network and normally run, the harmonic wave of electrical network does not affect the normal operation of generator.Control system has voltage display, electric current display, power display, power factor display etc.Cogeneration is carried out in mass-energy source, and electric power is sent into electrical network, and the energy of waste is utilized again.But this electricity generating device is utilized by inferior steam energy, be not suitable for the utilization again containing the more flue gas energy of solid impurity, the waste heat energy containing more solid impurity is all emitted at present after simple removal of impurities, causes the significant wastage of the energy.
Summary of the invention
Be not utilized effectively for a large amount of fume afterheats containing solid impurity produced in existing industrial production; cause the technological deficiency of the very big wasting of resources; the invention provides a kind of screw expander formula flue gas waste heat power generation device; it utilizes flue gas waste heat recovery system and screw expander to be generated electricity by flue gas heat recovery; save the energy for large size industrial enterprise, protect environment.
Technological scheme
In order to realize above-mentioned technical purpose, the present invention designs a kind of screw expander formula flue gas waste heat power generation device, it comprises air-water heat exchanger, the output terminal of air-water heat exchanger is connected on the first hand stop valve, first hand stop valve output terminal is connected with the first Electric Actuated Stop Valves, first Electric Actuated Stop Valves output terminal is connected on filter, filter output terminal is connected on first-class gauge, first-class gauge controls the switch of the first Electric Actuated Stop Valves, the output terminal of first-class gauge is connected on the first expansion joint, the output terminal of the first expansion joint is connected with pneumatic fast valve and pneumatic control valve in turn, the output terminal of pneumatic control valve is connected on screw expander, screw expander is by being connected with generator after speed reducer, screw expander heat recovery steam output terminal is connected with the second expansion joint, the output terminal of the second expansion joint is connected on one-way valve, the output terminal of one-way valve is connected with the second Electric Actuated Stop Valves and the second hand stop valve in turn, the output terminal of the second hand stop valve is connected on condenser, the output terminal of condenser is connected on condensate water tank,
The residual air output terminal of described condenser is connected with cooling tower, and the output terminal of cooling tower connects back condenser, and circulating water pump and the 3rd hand stop valve are equipped with in the loop that described cooling tower output terminal connects back condenser.
The condensed water that described condensate water tank exports enters air-water heat exchanger through condensate pump and the 4th hand stop valve successively.
The connecting pipeline of described 4th hand stop valve and air water ventilation heat is equipped with the first thermometer, the first pressure gauge and second gauge successively.
System heating coil valve is equipped with in described first Electric Actuated Stop Valves parallel connection.
The second pressure gauge and the second thermometer the connecting pipeline of described filter and first-class gauge be equipped with.
The connecting pipeline of described first expansion joint and pneumatic fast valve is equipped with the first hydrophobic valve.
The 3rd pressure gauge and the 3rd thermometer 31 connecting pipeline of described screw expander and the second expansion joint be equipped with.
The second hydrophobic valve the connecting pipeline of described one-way valve and the second Electric Actuated Stop Valves is equipped with.
The 3rd flowmeter the connecting pipeline of described condenser and the 3rd hand stop valve is equipped with.
Beneficial effect
The present invention utilizes heat-exchange system, screw expansion machine power generating system, condensate system and industrial circulating water system to form one and by the power generation system containing solid impurity fume afterheat efficiency utilization, can save the energy, protected environment.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
Embodiment
As shown in Figure 1, a kind of screw expander formula flue gas waste heat power generation device, it comprises air-water heat exchanger 1, the output terminal of air-water heat exchanger 1 is connected on the first hand stop valve 2, first hand stop valve 2 output terminal is connected with the first Electric Actuated Stop Valves 3, first Electric Actuated Stop Valves 3 output terminal is connected on filter 4, filter 4 output terminal is connected on first-class gauge 5, first-class gauge 5 controls the switch of the first Electric Actuated Stop Valves 3, the output terminal of first-class gauge 5 is connected on the first expansion joint 6, the output terminal of the first expansion joint 6 is connected with pneumatic fast valve 7 and pneumatic control valve 8 in turn, the output terminal of pneumatic control valve 8 is connected on screw expander 9, screw expander 9 is by being connected with generator 11 after speed reducer 10, screw expander 9 heat recovery steam output terminal is connected with the second expansion joint 12, the output terminal of the second expansion joint 12 is connected on one-way valve 13, the output terminal of one-way valve 13 is connected with the second Electric Actuated Stop Valves 14 and the second hand stop valve 15 in turn, the output terminal of the second hand stop valve 15 is connected on condenser 16, the output terminal of condenser 16 is connected on condensate water tank 17,
The residual air output terminal of described condenser 16 is connected with cooling tower 18, and the output terminal of cooling tower 18 connects back condenser 16, and circulating water pump 19 and the 3rd hand stop valve 20 are equipped with in the loop that described cooling tower 18 output terminal connects back condenser 16.
The condensed water that described condensate water tank 17 exports enters air-water heat exchanger 1 through condensate pump 21 and the 4th hand stop valve 22 successively.
The connecting pipeline of described 4th hand stop valve 22 and air water ventilation heat 1 is equipped with the first thermometer 23, first pressure gauge 24 and second gauge 25 successively.
System heating coil valve 26 is equipped with in described first Electric Actuated Stop Valves 3 parallel connection.
The second pressure gauge 27 and the second thermometer 28 connecting pipeline of described filter 4 and first-class gauge 5 be equipped with.
The connecting pipeline of described first expansion joint 6 and pneumatic fast valve 7 is equipped with the first hydrophobic valve 29.
The connecting pipeline of described screw expander 9 and the second expansion joint 12 is equipped with the 3rd pressure gauge 30 and the 3rd thermometer 31.
The connecting pipeline of described one-way valve 13 and the second Electric Actuated Stop Valves 14 is equipped with the second hydrophobic valve 32.
The 3rd flowmeter 33 connecting pipeline of described condenser 16 and the 3rd hand stop valve 20 is equipped with.
The working procedure of whole electricity generating device is: flue gas heats water quality by air-water heat exchanger 1, water is made to become low pressure steam, steam is filtered by filter 4, prevent impurity in steam from causing a devastating effect to system, then steam show flow parameter state by first-class gauge 5, enter the first-class gauge 5 of generating pipe-line system as traffic monitoring equipment, ensure the steam flow entering power generation system, SC sigmal control first Electric Actuated Stop Valves 3 of its feedback regulates aperture, steam enters pneumatic fast valve and 7 pneumatic control valves 8 after being cushioned by the vibration of expansion joint to pipeline, by the adjustment of two valves, steam enters screw expander 9 and does work, the power that screw expander 9 provides is by driving translator 11 to generate electricity after speed reducer 10 speed governing, first hydrophobic valve 29 is for the discharge of steam condensate, prevent water hammer.After screw expander 9 does work more than steam vapour by entering condenser system after the second Electric Actuated Stop Valves 14, one-way valve 13 prevents steam from occurring, and reverse flow conditions occurs, second hydrophobic valve 32 is for the discharge of steam condensate, prevent water hammer, the second hand stop valve 15 uses as cutting out whole power generation system pipeline during system overhaul.More than steam, vapour enters condenser 16 and cools, and the condensed water formed after cooling enters condensate water tank 17 and keeps in, and condensed water enters air-water heat exchanger 1 by adjustment and recycles.Industrial circulating water needed for condensing steam exhaust steam takes from on-the-spot cooling tower 18, and industrial circulating water is entered in condenser 16 by the adjustment of circulating water pump 19 and the 3rd hand stop valve 20.
The present invention utilizes heat-exchange system, screw expansion machine power generating system, condensate system and industrial circulating water system to form one and by the power generation system containing solid impurity fume afterheat efficiency utilization, can save the energy, protected environment.
Claims (6)
1. a screw expander formula flue gas waste heat power generation device, it is characterized in that: it comprises air-water heat exchanger (1), the output terminal of air-water heat exchanger (1) is connected on the first hand stop valve (2), first hand stop valve (2) output terminal is connected with the first Electric Actuated Stop Valves (3), first Electric Actuated Stop Valves (3) output terminal is connected on filter (4), filter (4) output terminal is connected on first-class gauge (5), first-class gauge (5) controls the switch of the first Electric Actuated Stop Valves (3), the output terminal of first-class gauge (5) is connected on the first expansion joint (6), the output terminal of the first expansion joint (6) is connected with pneumatic fast valve (7) and pneumatic control valve (8) in turn, the output terminal of pneumatic control valve (8) is connected on screw expander (9), screw expander (9) is by being connected with generator (11) after speed reducer (10), screw expander (9) heat recovery steam output terminal is connected with the second expansion joint (12), the output terminal of the second expansion joint (12) is connected on one-way valve (13), the output terminal of one-way valve (13) is connected with the second Electric Actuated Stop Valves (14) and the second hand stop valve (15) in turn, the output terminal of the second hand stop valve (15) is connected on condenser (16), the output terminal of condenser (16) is connected on condensate water tank (17),
The residual air output terminal of described condenser (16) is connected with cooling tower (18), the output terminal of cooling tower (18) connects back condenser (16), and circulating water pump (19) and the 3rd hand stop valve (20) are equipped with in the loop that described cooling tower (18) output terminal connects go back to condenser (16);
The condensed water that described condensate water tank (17) exports enters air-water heat exchanger (1) through condensate pump (21) and the 4th hand stop valve (22) successively;
The connecting pipeline of described 4th hand stop valve (22) and air-water heat exchanger (1) is equipped with the first thermometer (23), the first pressure gauge (24) and second gauge (25) successively;
System heating coil valve (26) is equipped with in the parallel connection of described first Electric Actuated Stop Valves (3).
2. a kind of screw expander formula flue gas waste heat power generation device as claimed in claim 1, is characterized in that: the connecting pipeline of described filter (4) and first-class gauge (5) is equipped with the second pressure gauge (27) and the second thermometer (28).
3. a kind of screw expander formula flue gas waste heat power generation device as claimed in claim 1, is characterized in that: the connecting pipeline of described first expansion joint (6) and pneumatic fast valve (7) is equipped with the first hydrophobic valve (29).
4. a kind of screw expander formula flue gas waste heat power generation device as claimed in claim 1, is characterized in that: the connecting pipeline of described screw expander (9) and the second expansion joint (12) is equipped with the 3rd pressure gauge (30) and the 3rd thermometer (31).
5. a kind of screw expander formula flue gas waste heat power generation device as claimed in claim 1, is characterized in that: the connecting pipeline of described one-way valve (13) and the second Electric Actuated Stop Valves (14) is equipped with the second hydrophobic valve (32).
6. a kind of screw expander formula flue gas waste heat power generation device as claimed in claim 1, is characterized in that: described condenser (16) and the connecting pipeline of the 3rd hand stop valve (20) are equipped with the 3rd flowmeter (33).
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| CN201310098658.6A CN103147812B (en) | 2013-03-25 | 2013-03-25 | A kind of screw expander formula flue gas waste heat power generation device |
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| CN201310098658.6A CN103147812B (en) | 2013-03-25 | 2013-03-25 | A kind of screw expander formula flue gas waste heat power generation device |
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| CN103147812B true CN103147812B (en) | 2016-03-30 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6342755B2 (en) * | 2014-09-05 | 2018-06-13 | 株式会社神戸製鋼所 | Compression device |
| CN108489290A (en) * | 2018-05-21 | 2018-09-04 | 北京航天石化技术装备工程有限公司 | A kind of high-temperature flue gas residual neat recovering system |
| CN109990202A (en) * | 2019-03-19 | 2019-07-09 | 华电电力科学研究院有限公司 | A kind of pressure regulating system and method based on steam top pressure power generation |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201071741Y (en) * | 2007-09-07 | 2008-06-11 | 北京佰能电气技术有限公司 | Electric furnace flue gas waste heat power generation system |
| DE102007041944B3 (en) * | 2007-09-04 | 2009-02-19 | Gesellschaft für Motoren und Kraftanlagen mbH | Apparatus for energy conversion, combined heat and power plant with such an apparatus and method for operating an ORC plant |
| CN201546768U (en) * | 2009-07-31 | 2010-08-11 | 王世英 | Low grade heat flux generating system |
| CN201599071U (en) * | 2010-01-27 | 2010-10-06 | 江西佳能新能源发展有限公司 | Environment-friendly energy saving and emission reduction reaction working medium recycling system |
| CN101871374A (en) * | 2010-06-18 | 2010-10-27 | 江西华电电力有限责任公司 | Triangular flash circulating system and method thereof |
| CN201771561U (en) * | 2009-08-14 | 2011-03-23 | 上海西重所重型机械成套有限公司 | Pure low-temperature low-pressure waste heat generating device utilizing low-quality vapor |
| CN203146047U (en) * | 2013-03-25 | 2013-08-21 | 上海西重所重型机械成套有限公司 | Screw expander type smoke waste heat power generation device |
-
2013
- 2013-03-25 CN CN201310098658.6A patent/CN103147812B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007041944B3 (en) * | 2007-09-04 | 2009-02-19 | Gesellschaft für Motoren und Kraftanlagen mbH | Apparatus for energy conversion, combined heat and power plant with such an apparatus and method for operating an ORC plant |
| CN201071741Y (en) * | 2007-09-07 | 2008-06-11 | 北京佰能电气技术有限公司 | Electric furnace flue gas waste heat power generation system |
| CN201546768U (en) * | 2009-07-31 | 2010-08-11 | 王世英 | Low grade heat flux generating system |
| CN201771561U (en) * | 2009-08-14 | 2011-03-23 | 上海西重所重型机械成套有限公司 | Pure low-temperature low-pressure waste heat generating device utilizing low-quality vapor |
| CN201599071U (en) * | 2010-01-27 | 2010-10-06 | 江西佳能新能源发展有限公司 | Environment-friendly energy saving and emission reduction reaction working medium recycling system |
| CN101871374A (en) * | 2010-06-18 | 2010-10-27 | 江西华电电力有限责任公司 | Triangular flash circulating system and method thereof |
| CN203146047U (en) * | 2013-03-25 | 2013-08-21 | 上海西重所重型机械成套有限公司 | Screw expander type smoke waste heat power generation device |
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