CN207262396U - A kind of dry coke quenching superpressure boiler therrmodynamic system - Google Patents
A kind of dry coke quenching superpressure boiler therrmodynamic system Download PDFInfo
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- CN207262396U CN207262396U CN201721112400.7U CN201721112400U CN207262396U CN 207262396 U CN207262396 U CN 207262396U CN 201721112400 U CN201721112400 U CN 201721112400U CN 207262396 U CN207262396 U CN 207262396U
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Abstract
Coking, the waste heat recovery of metallurgical engineering technical field are the utility model is related to, particularly a kind of dry coke quenching superpressure boiler therrmodynamic system, including at least oxygen-eliminating device, deaerator storage tank, boiler feed pump, coke dry quenching boiler, boiler drum, it is characterized in that:It is spaced between the gas inlet and exhanst gas outlet of the coke dry quenching boiler and high temperature superheater, low temperature superheater, light pipe evaporator, fin pipe evaporator, economizer is distributed with from top to bottom；Oxygen-eliminating device, deaerator storage tank, boiler feed pump, coke dry quenching boiler, boiler drum connect to form complete therrmodynamic system by pipeline, produce pressure and are not less than 13.7MPa, the steam that 540 DEG C of temperature is used to generate electricity.By the system, the steam that coke dry quenching boiler produces superhigh-pressure high-temp parameter is used to generate electricity, and compared to high temperature and high pressure steam, generating efficiency can improve 3% or so.
Description
Technical field
Coking, the waste heat recovery of metallurgical engineering technical field are the utility model is related to, particularly a kind of dry coke quenching superelevation
Press boiler thermodynamic system.
Background technology
Coke dry quenching boiler is the core equipment that thermal energy conversion is realized in dry coke quenching technique, and coke dry quenching boiler main function is drop
The temperature of low dry quenching system inertia recyclegas simultaneously absorbs its heat, produces steam to for heat and generating power, with reach make it is lazy
The heat of property recyclegas is utilized effectively, and saves the purpose of the energy.
Under the action of circulating fan, inertia recyclegas cools down 1000 DEG C or so of red-hot coke in dry put out in groove,
The inertia recyclegas for absorbing coke sensible heat is heated to 880~960 DEG C, and high temperature inert recyclegas is removed through disposable dust remover
After dirt, into the steam-water heat exchanging in coke dry quenching boiler, with coke dry quenching boiler, temperature is down to 160~180 DEG C, inertia recyclegas
Again after secondary filter, circulating fan and heat exchange of heat pipe, temperature is down to 130 DEG C or so, enter back into it is dry put out groove cooling it is red
Hot coke.
880~960 DEG C of the general temperature of inertia recyclegas enters coke dry quenching boiler, this is just the raising of Boiler Steam parameter
Lay a good foundation.
The coke dry quenching boiler of early stage generally produces 3.82MPa, and 450 DEG C of medium pressure steam is used to generate electricity or supplies it outside
With.With advances in technology, coke dry quenching boiler often uses 9.81MPa at present, and 540 DEG C of high temperature and high pressure steam is used to generate electricity, compares
Medium pressure steam, generating efficiency can improve 12% or so.
The content of the invention
The purpose of this utility model is to provide a kind of dry coke quenching superpressure boiler heating power system that can bring higher economic benefit
System.By the system, the steam that coke dry quenching boiler produces superhigh-pressure high-temp parameter is used to generate electricity, compared to high temperature and high pressure steam, hair
Electrical efficiency can improve 3% or so.
The purpose of this utility model is to be achieved through the following technical solutions：A kind of dry coke quenching superpressure boiler therrmodynamic system,
Including at least oxygen-eliminating device, deaerator storage tank, boiler feed pump, coke dry quenching boiler, boiler drum, it is characterized in that:It is described dry to put out
It is spaced between the gas inlet and exhanst gas outlet of burnt boiler and high temperature superheater, low temperature superheater, light pipe steaming is distributed with from top to bottom
Send out device, fin pipe evaporator, economizer；High temperature superheater is connected for steam pipework outside with outer for main steam by high temperature superheater
Connect, connected between high temperature superheater and low temperature superheater by the steam pipework of low temperature superheater to high temperature superheater, low temperature mistake
Hot device connects boiler drum, light pipe evaporator and fin pipe evaporator point by the steam pipework of boiler drum to low temperature superheater
Not by circuit lines light pipe evaporator inlet pipeline and light pipe evaporator steam outlet pipe road, fin pipe evaporator steam outlet pipe road and fin
Piece pipe evaporator inlet pipeline connects boiler drum；Economizer connects boiler drum, economizer by boiler drum watering pipeline
Deaerator storage tank is connected by boiler feedwater pipeline, deaerator storage tank is connected with oxygen-eliminating device, oxygen-eliminating device respectively with deaerator feedwater
Pipeline is connected with oxygen-eliminating device heating steam pipework；Oxygen-eliminating device, deaerator storage tank, boiler feed pump, coke dry quenching boiler, boiler drum
Connect to form complete therrmodynamic system by pipeline, produce pressure and be not less than 13.7MPa, the steam that 540 DEG C of temperature is used to generate electricity.
There is boiler feed pump on the boiler feedwater pipeline of the deaerator storage tank connection economizer.
The fin pipe evaporator inlet pipeline and light pipe evaporator inlet pipeline has shared when connecting boiler drum
The water supply pipe of pipeline boiler forced-circulating pump, boiler forced-circulating pump is provided with the water supply pipe of boiler forced-circulating pump.
The high temperature superheater is the heat-transfer surface arranged by coiled pipe.
The low temperature superheater is the heat-transfer surface arranged by coiled pipe.
The oxygen-eliminating device can be atmospheric type deaerator or pressure type oxygen-eliminating device.
The steam parameter that the coke dry quenching boiler produces is not less than 13.7MPa, 540 DEG C of temperature for pressure.
The coke dry quenching boiler can be natural circulation boiler or forced circulation boiler.
The light pipe evaporator is the heat-transfer surface rearranged by snakelike light pipe；The fin pipe evaporator is by snake
The heat-transfer surface that shape fin rearranges.
The heating surface that the economizer is made of steel pipe or cast iron pipe, in the flue of boiler tail.
Therrmodynamic system is connected each equipment by pipeline, and pipeline includes deaerator feedwater pipeline, oxygen-eliminating device heating steam
Pipeline, boiler feedwater pipeline, boiler drum watering pipeline, fin pipe evaporator inlet pipeline, light pipe evaporator inlet pipeline, fin
Piece pipe evaporator steam outlet pipe road, light pipe evaporator steam outlet pipe road, the steam pipework of boiler drum to low temperature superheater, cryogenic overheating
Steam pipework is supplied outside device to the steam pipework 22, high temperature superheater of high temperature superheater.
The effect of the utility model is：Lifting coke dry quenching boiler steam parameter to pressure is not less than 13.7MPa, temperature 540
DEG C, sent to turbine generator station and generated electricity by jet chimney, improve generating efficiency, so as to improve the overall effect of dry coke quenching UTILIZATION OF VESIDUAL HEAT IN
Benefit.
Brief description of the drawings
With reference to embodiment attached drawing, the utility model is described in further detail：
Fig. 1 is 1 dry coke quenching superpressure boiler therrmodynamic system structure diagram of the utility model embodiment；
Fig. 2 is 2 dry coke quenching superpressure boiler therrmodynamic system structure diagram of the utility model embodiment.
In figure：1st, oxygen-eliminating device, 2, deaerator storage tank, 3, boiler feed pump, 4, coke dry quenching boiler, 5, gas inlet, 6, cigarette
Gas exports, and 7, high temperature superheater, 8, low temperature superheater, 9, light pipe evaporator, 10, fin pipe evaporator, 11, economizer；12nd, pot
Stove drum；13rd, deaerator feedwater pipeline；14th, oxygen-eliminating device heating steam pipework；15th, boiler feedwater pipeline；16th, on boiler drum
Water lines；17th, fin pipe evaporator inlet pipeline；18th, light pipe evaporator inlet pipeline；19th, fin pipe evaporator steam outlet pipe road；
20th, light pipe evaporator steam outlet pipe road；21st, boiler drum to low temperature superheater steam pipework；22nd, low temperature superheater is to high temperature mistake
The steam pipework of hot device；23rd, steam pipework is supplied outside high temperature superheater；24th, boiler forced-circulating pump；25th, boiler forced-circulating pump
Water supply pipe.
Embodiment
Embodiment 1
As shown in Figure 1, a kind of dry coke quenching superpressure boiler therrmodynamic system, including at least oxygen-eliminating device 1, deaerator storage tank 2, pot
Stove feed pump 3, coke dry quenching boiler 4, boiler drum 12, between the gas inlet 5 and exhanst gas outlet 6 of the coke dry quenching boiler 4
High temperature superheater 7, low temperature superheater 8, light pipe evaporator 9, fin pipe evaporator 10, economizer is distributed with interval from top to bottom
11；High temperature superheater 7 is connected for steam pipework 23 outside with outer for main steam by high temperature superheater, high temperature superheater 7 and low temperature
Connected between superheater 8 by the steam pipework 22 of low temperature superheater to high temperature superheater, low temperature superheater 8 passes through boiler drum
Steam pipework 21 to low temperature superheater connects boiler drum 12, and light pipe evaporator 9 and fin pipe evaporator 10 are respectively by returning
Road pipeline light pipe evaporator inlet pipeline 18 and light pipe evaporator steam outlet pipe road 20, fin pipe evaporator steam outlet pipe road 19 and fin
Pipe evaporator inlet pipeline 17 connects boiler drum 12；Economizer 11 connects boiler drum by boiler drum watering pipeline 16
12, economizer 11 connects deaerator storage tank 2 by boiler feedwater pipeline 15, and deaerator storage tank 2 is connected with oxygen-eliminating device 1, oxygen-eliminating device 1
It is connected respectively with deaerator feedwater pipeline 13 and oxygen-eliminating device heating steam pipework 14.Oxygen-eliminating device 1, deaerator storage tank 2, boiler feedwater
Pump 3, coke dry quenching boiler 4, boiler drum 12 form complete therrmodynamic system by the connection of pipeline 13~23, produce pressure and are not less than
13.7MPa, the steam that 540 DEG C of temperature are used to generate electricity.
The deaerator storage tank 2, which is connected on the boiler feedwater pipeline 15 of economizer 11, boiler feed pump 3.
Oxygen-eliminating device 1 is used from exterior steam, is heated so as to reach saturation state removing water from exterior feedwater
The equipment of middle oxygen and other gases.
Deaerator storage tank 2 is storage deoxygenated water, and the water supply of balance boiler feed pump 3 to coke dry quenching boiler 4 is outer with coming from
The difference of the confluent in portion.
Boiler feed pump 3 is the equipment for supplying water to coke dry quenching boiler 4.
Coke dry quenching boiler 4 is to produce pressure by coke dry quenching furnace heat smoke and water heat exchange to be not less than 13.7MPa, 540 DEG C of temperature
Steam equipment.
High temperature superheater 7 is the heat-transfer surface arranged by coiled pipe, it absorbs the heat for the flue gas that smoke inlet is come in, and will
Steam from low temperature superheater further overheats the temperature for reaching requirement.
Low temperature superheater 8 is the heat-transfer surface arranged by coiled pipe, it absorbs the heat of flue gas after high temperature superheater, and will
Saturated vapor heating from drum reaches certain degree of superheat.
Light pipe evaporator 9 is the heat-transfer surface rearranged by snakelike light pipe, it absorbs the heat of flue gas after low temperature superheater
Amount, and the hot water from economizer is heated as saturated vapor.
Fin pipe evaporator 10 is the heat-transfer surface rearranged by snakelike fin, it absorbs flue gas after light pipe evaporator 9
Heat, and the hot water from economizer is heated as saturated vapor.
The heating surface that economizer 11 is made of steel pipe or cast iron pipe, in the flue of boiler tail, utilizes boiler
The heat of flue tail low-temperature flue gas feeds water to heat, and to reduce exhaust gas temperature, improves boiler thermal efficiency.
Embodiment 2
As shown in Fig. 2, a kind of dry coke quenching superpressure boiler therrmodynamic system, including at least oxygen-eliminating device 1, deaerator storage tank 2, pot
Stove feed pump 3, coke dry quenching boiler 4, boiler drum 12, between the gas inlet 5 and exhanst gas outlet 6 of the coke dry quenching boiler 4
High temperature superheater 7, low temperature superheater 8, light pipe evaporator 9, fin pipe evaporator 10, economizer is distributed with interval from top to bottom
11；High temperature superheater 7 is connected for steam pipework 23 outside with outer for main steam by high temperature superheater, high temperature superheater 7 and low temperature
Connected between superheater 8 by the steam pipework 22 of low temperature superheater to high temperature superheater, low temperature superheater 8 passes through boiler drum
Steam pipework 21 to low temperature superheater connects boiler drum 12, and light pipe evaporator 9 and fin pipe evaporator 10 are respectively by returning
Road pipeline light pipe evaporator inlet pipeline 18 and light pipe evaporator steam outlet pipe road 20, fin pipe evaporator steam outlet pipe road 19 and fin
Pipe evaporator inlet pipeline 17 connects boiler drum 12；Economizer 11 connects boiler drum by boiler drum watering pipeline 16
12, economizer 11 connects deaerator storage tank 2 by boiler feedwater pipeline 15, and oxygen device water tank 2 is connected with oxygen-eliminating device 1, and oxygen-eliminating device 1 divides
It is not connected with deaerator feedwater pipeline 13 and oxygen-eliminating device heating steam pipework 14.Oxygen-eliminating device 1, deaerator storage tank 2, boiler feed pump
3rd, coke dry quenching boiler 4, boiler drum 12 form complete therrmodynamic system by the connection of pipeline 13~23, produce pressure and are not less than
13.7MPa, the steam that 540 DEG C of temperature are used to generate electricity.
Fin pipe evaporator inlet pipeline 17 and light pipe evaporator inlet pipeline 18 have one section when connecting boiler drum 12
The water supply pipe 25 of common pall boiler forced-circulating pump, boiler forced is provided with the water supply pipe 25 of boiler forced-circulating pump
Circulating pump 24.
The deaerator storage tank 2, which is connected on the boiler feedwater pipeline 15 of economizer 11, boiler feed pump 3.
Oxygen-eliminating device 1 is used from exterior steam, is heated so as to reach saturation state removing water from exterior feedwater
The equipment of middle oxygen and other gases.
Deaerator storage tank 2 is storage deoxygenated water, and the water supply of balance boiler feed pump 3 to coke dry quenching boiler 4 is outer with coming from
The difference of the confluent in portion.
Boiler feed pump 3 is the equipment for supplying water to coke dry quenching boiler 4.
Coke dry quenching boiler 4 is to produce pressure by coke dry quenching furnace heat smoke and water heat exchange to be not less than 13.7MPa, 540 DEG C of temperature
Steam equipment.
High temperature superheater 7 is the heat-transfer surface arranged by coiled pipe, it absorbs the heat for the flue gas that smoke inlet is come in, and will
Steam from low temperature superheater further overheats the temperature for reaching requirement.
Low temperature superheater 8 is the heat-transfer surface arranged by coiled pipe, it absorbs the heat of flue gas after high temperature superheater, and will
Saturated vapor heating from drum reaches certain degree of superheat.
Light pipe evaporator 9 is the heat-transfer surface rearranged by snakelike light pipe, it absorbs the heat of flue gas after low temperature superheater
Amount, and the hot water from economizer is heated as saturated vapor.
Fin pipe evaporator 10 is the heat-transfer surface rearranged by snakelike fin, it absorbs flue gas after light pipe evaporator 9
Heat, and the hot water from economizer is heated as saturated vapor.
The heating surface that economizer 11 is made of steel pipe or cast iron pipe, in the flue of boiler tail, utilizes boiler
The heat of flue tail low-temperature flue gas feeds water to heat, and to reduce exhaust gas temperature, improves boiler thermal efficiency.
Boiler forced-circulating pump 24 is to improve pressure of supply water, the equipment to supply water to fin pipe evaporator and light pipe evaporator.
Therrmodynamic system is connected each equipment by pipeline, and pipeline includes deaerator feedwater pipeline 13, oxygen-eliminating device heating is steamed
Vapor pipeline 14, boiler feedwater pipeline 15, boiler drum watering pipeline 16, fin pipe evaporator inlet pipeline 17, light pipe evaporator
Inlet pipeline 18, fin pipe evaporator steam outlet pipe road 19, light pipe evaporator steam outlet pipe road 20, boiler drum to low temperature superheater
For steam pipework 23, boiler vapour outside steam pipework 21, the steam pipework 22 of low temperature superheater to high temperature superheater, high temperature superheater
Wrap to the water supply pipe 25 of boiler forced-circulating pump.
Exemplified as above is only for example, not forming to the scope of protection of the utility model to the utility model
Limitation, it is every to be belonged to the same or similar design of the utility model within the scope of protection of the utility model.
Claims (10)
- A kind of 1. dry coke quenching superpressure boiler therrmodynamic system, including at least oxygen-eliminating device (1), deaerator storage tank (2), boiler feed pump (3), coke dry quenching boiler (4), boiler drum (12), it is characterized in that:The gas inlet (5) and cigarette of the coke dry quenching boiler (4) It is spaced between gas outlet (6) and high temperature superheater (7), low temperature superheater (8), light pipe evaporator (9), fin is distributed with from top to bottom Pipe evaporator (10), economizer (11)；High temperature superheater (7) supplies steam pipework outside for main steam with outer by high temperature superheater (23) connect, pass through the steam pipe of low temperature superheater to high temperature superheater between high temperature superheater (7) and low temperature superheater (8) Road (22) connects, and low temperature superheater (8) connects boiler drum by the steam pipework (21) of boiler drum to low temperature superheater (12), light pipe evaporator (9) and fin pipe evaporator (10) respectively by circuit lines light pipe evaporator inlet pipeline (18) and Light pipe evaporator steam outlet pipe road (20), fin pipe evaporator steam outlet pipe road (19) and fin pipe evaporator inlet pipeline (17) connection Boiler drum (12)；Economizer (11) connects boiler drum (12) by boiler drum watering pipeline (16), and economizer (11) is logical Cross boiler feedwater pipeline (15) connection deaerator storage tank (2), deaerator storage tank（2）With oxygen-eliminating device（1）Connection, oxygen-eliminating device（1）Point Not with deaerator feedwater pipeline（13）Steam pipework is heated with oxygen-eliminating device（14）Connection；Oxygen-eliminating device（1）, deaerator storage tank（2）, pot Stove feed pump（3）, coke dry quenching boiler（4）, boiler drum（12）Connect to form complete therrmodynamic system by pipeline, produce pressure not Less than 13.7MPa, the steam that 540 DEG C of temperature is used to generate electricity；The pipeline includes deaerator feedwater pipeline（13）, oxygen-eliminating device heating Steam pipework（14）, boiler feedwater pipeline（15）, boiler drum watering pipeline（16）, fin pipe evaporator inlet pipeline（17）、 Light pipe evaporator inlet pipeline（18）, fin pipe evaporator steam outlet pipe road（19）, light pipe evaporator steam outlet pipe road（20）, boiler vapour Wrap to the steam pipework of low temperature superheater（21）, low temperature superheater to high temperature superheater steam pipework（22）, high temperature superheater It is outer to supply steam pipework（23）.
- 2. a kind of dry coke quenching superpressure boiler therrmodynamic system according to claim 1, it is characterized in that：The oxygen-eliminating device water Case（2）Connect economizer（11）Boiler feedwater pipeline（15）On have boiler feed pump（3）.
- 3. a kind of dry coke quenching superpressure boiler therrmodynamic system according to claim 1, it is characterized in that：The extended surface tube steams Send out device inlet pipeline（17）With light pipe evaporator inlet pipeline（18）In connection boiler drum（12）When have the common pall boiler strong The water supply pipe of circulating pump processed（25）, in the water supply pipe of boiler forced-circulating pump（25）Boiler forced-circulating pump is installed （24）.
- 4. a kind of dry coke quenching superpressure boiler therrmodynamic system according to claim 1, it is characterized in that：The hyperthermia and superheating Device（7）It is the heat-transfer surface arranged by coiled pipe.
- 5. a kind of dry coke quenching superpressure boiler therrmodynamic system according to claim 1, it is characterized in that：The cryogenic overheating Device（8）It is the heat-transfer surface arranged by coiled pipe.
- 6. a kind of dry coke quenching superpressure boiler therrmodynamic system according to claim 1, it is characterized in that：The oxygen-eliminating device （1）Can be atmospheric type deaerator or pressure type oxygen-eliminating device.
- 7. a kind of dry coke quenching superpressure boiler therrmodynamic system according to claim 1, it is characterized in that：The dry coke quenching pot Stove（4）The steam parameter of generation is not less than 13.7MPa, 540 DEG C of temperature for pressure.
- 8. a kind of dry coke quenching superpressure boiler therrmodynamic system according to claim 1, it is characterized in that：The dry coke quenching pot Stove（4）Can be natural circulation boiler or forced circulation boiler.
- 9. a kind of dry coke quenching superpressure boiler therrmodynamic system according to claim 1, it is characterized in that：The light pipe evaporation Device（9）It is the heat-transfer surface rearranged by snakelike light pipe；The fin pipe evaporator（10）It is to be rearranged by snakelike fin Heat-transfer surface.
- 10. a kind of dry coke quenching superpressure boiler therrmodynamic system according to claim 1, it is characterized in that：The economizer （11）The heating surface being made of steel pipe or cast iron pipe, in the flue of boiler tail.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721112400.7U CN207262396U (en) | 2017-09-01 | 2017-09-01 | A kind of dry coke quenching superpressure boiler therrmodynamic system |
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| CN201721112400.7U CN207262396U (en) | 2017-09-01 | 2017-09-01 | A kind of dry coke quenching superpressure boiler therrmodynamic system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108624339A (en) * | 2018-05-11 | 2018-10-09 | 鞍钢股份有限公司 | A kind of winter coke dry quenching furnace annual overhaul heat preserving method |
| CN110455088A (en) * | 2019-08-14 | 2019-11-15 | 西安华江环保科技股份有限公司 | A kind of solidifying gas formula generating set residual heat heating device and method of dry coke quenching superhigh temperature super-pressure |
-
2017
- 2017-09-01 CN CN201721112400.7U patent/CN207262396U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108624339A (en) * | 2018-05-11 | 2018-10-09 | 鞍钢股份有限公司 | A kind of winter coke dry quenching furnace annual overhaul heat preserving method |
| CN108624339B (en) * | 2018-05-11 | 2020-09-29 | 鞍钢股份有限公司 | Winter dry quenching furnace annual repair heat preservation method |
| CN110455088A (en) * | 2019-08-14 | 2019-11-15 | 西安华江环保科技股份有限公司 | A kind of solidifying gas formula generating set residual heat heating device and method of dry coke quenching superhigh temperature super-pressure |
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