CN208632455U - A kind of energy-saving type coke oven flue residual neat recovering system - Google Patents

A kind of energy-saving type coke oven flue residual neat recovering system Download PDF

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Publication number
CN208632455U
CN208632455U CN201820150205.1U CN201820150205U CN208632455U CN 208632455 U CN208632455 U CN 208632455U CN 201820150205 U CN201820150205 U CN 201820150205U CN 208632455 U CN208632455 U CN 208632455U
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Prior art keywords
steam
water inlet
pipe
flash vessel
drain
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CN201820150205.1U
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Inventor
刘锋
张五交
王懿德
张建国
周文生
吴卫红
郭晓杰
燕亚宾
季平贾
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What China Pingdingshan Coal Group Xuchang Chemical Technology Co Ltd First
China Pingmei Shenma Energy and Chemical Group Co Ltd
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What China Pingdingshan Coal Group Xuchang Chemical Technology Co Ltd First
China Pingmei Shenma Energy and Chemical Group Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • Y02P20/129Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Abstract

A kind of energy-saving type coke oven flue residual neat recovering system, including boiler and steam exhaust recovering device, the boiler includes evaporator, condenser, chimney, first feed pipe and the second feed pipe, the first gas inlet is provided on the ontology of the evaporator, first exhanst gas outlet, first water inlet, steam water interface outlet and sewage draining exit, the second gas inlet is provided on the ontology of the condenser, second exhanst gas outlet, second water inlet and the second discharge outlet, the connection of the smoke discharging pipe of first gas inlet and coke oven, first exhanst gas outlet is connect with the second gas inlet, second exhanst gas outlet is connect with chimney, second discharge outlet is connected with the first water inlet, it is described that the first water pipe is given to be connected with the first water inlet, second feed pipe is connected with the second water inlet, the steam exhaust recovering device includes arranging flash vessel surely, platoon dilatation Device, two drain tanks and the hydrophobic development unit being connect with the sewage draining exit of evaporator.

Description

A kind of energy-saving type coke oven flue residual neat recovering system
Technical field
The utility model relates to flue gases of cock oven heat recovery technology fields, and in particular to more than a kind of energy-saving type coke oven flue Heat recovery system.
Background technique
Coke oven is that the condition heating by coal in isolation air is allowed to the device of dry distillation charring, usually burn blast furnace gas or Mixed gas provides the energy of destructive distillation, and the exhaust gas after burning enters decline flue across hole by rising flue, top, then Through regenerative chamber, after the part Exposure degree of exhaust gas, by bottom flue, flue, main chimney flue, chimney is divided to be discharged into atmosphere, coke oven tail Portion's exit flue discharges the temperature of flue gas at 300 DEG C or so, causes heat source loss and energy dissipation, is unfavorable for energy conservation and environmental protection.
Utility model content
The technical issues of in order to solve steam exhaust focusing furnace high fume temperature, energy waste and heat source be caused to lose, this is practical Novel purpose is to provide a kind of energy-saving type coke oven flue residual neat recovering system, and the waste heat that coke oven is discharged fume effectively is recycled, Reduce heat source loss and energy dissipation.
The technical scheme adopted by the utility model is a kind of energy-saving type coke oven flue residual neat recovering system, including boiler And steam exhaust recovering device, the boiler include evaporator, condenser, chimney, the first feed pipe and the second feed pipe, the evaporation The first gas inlet, the first exhanst gas outlet, the first water inlet, steam water interface outlet and blowdown are provided on the ontology of device Mouthful, it is provided with the second gas inlet, the second exhanst gas outlet, the second water inlet and the second discharge outlet on the ontology of the condenser, The connection of the smoke discharging pipe of first gas inlet and coke oven, the first exhanst gas outlet are connect with the second gas inlet, the second flue gas Outlet is connect with chimney, and the second discharge outlet is connected with the first water inlet, and first water pipe is connected with the first water inlet, institute It states the second feed pipe to be connected with the second water inlet, the steam exhaust recovering device includes arranging flash vessel, platoon flash vessel, two surely Drain tank and the hydrophobic development unit connecting with the sewage draining exit of evaporator, the steam drain for arranging flash vessel surely pass through the first steam Pipeline is connect with the air intake of platoon flash vessel, and the steam drain of the hydrophobic development unit passes through the second jet chimney and the first steam Pipeline is connected, so that hydrophobic development unit and the steam that row's flash vessel is discharged surely, which enter, carries out secondary drop in platoon flash vessel It being then exhausted from after pressure, and then recycles steam exhaust sufficiently, the steam drain of the platoon flash vessel passes through the first blow-off line steam discharge, and The steam drain of two drain tanks passes through the second blow-off line and connect with the first blow-off line, and the setting of platoon flash vessel bottom is useful In the drain pipe of discharge condensed water, drain pipe is connected with the first water inlet of evaporator.
Be provided with four-way pipe between first feed pipe and first water inlet, four ports of four-way pipe respectively with First feed pipe, the first water inlet, drain pipe and the connection of the second discharge outlet.
First blow-off line is by the first vertical pipeline being vertically arranged, the tilted tube being obliquely installed and vertically sets The second vertical pipeline set is connected in sequence, and tilted tube is arranged horizontal by 45 degree of angles.
Compared with prior art, the utility model has the following beneficial effects:
One, a kind of energy-saving type coke oven flue residual neat recovering system described in the utility model, the smoke evacuation of coke oven is effectively sharp It uses, to reduce the exhaust gas temperature of coke oven, the waste heat that coke oven is discharged fume effectively is recycled, reduce heat source loss and energy Amount waste;
Two, the steam exhaust recovering device of the utility model is arranged the steam that flash vessel is discharged by hydrophobic development unit and surely and is entered Secondary decompression is carried out in platoon flash vessel, so that the steam exhaust that boiler is generated in blowdown is recycled, to reduce steam exhaust pair Corrosiveness caused by boiler and coke oven, the steam exhaust after decrease temperature and pressure enter in longer first blow-off line of pipeline, and big Part steam exhaust condenses into water in uphill process, and flows back into platoon flash vessel along the first blow-off line inner wall, and by platoon Drain pipe discharge on flash vessel, the recycle-water of drain pipe supply boiler, realize and recycle, and realize steam exhaust recycling, not only The energy is saved, production cost is also greatly reduced;
Three, the first blow-off line by with the first vertical pipeline being vertically arranged, the tilted tube being obliquely installed and vertical The second vertical pipeline being arranged is connected in sequence, its running stroke increases after so that steam exhaust is entered the first blow-off line, makes steam exhaust There is the more fully time to condense into water, reduction steam exhaust discharge, the saving energy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
It elaborates in the following with reference to the drawings and specific embodiments to the utility model, the present embodiment is with the utility model skill Premised on art scheme, the detailed implementation method and specific operation process are given, but the protection scope of the utility model is unlimited In following embodiments.
Embodiment 1
As shown in Figure 1, a kind of energy-saving type coke oven flue residual neat recovering system, including boiler 1 and steam exhaust recovering device 2, institute Stating boiler 1 includes evaporator 101, condenser 102, chimney 103, the first feed pipe 104 and the second feed pipe 105.
The first gas inlet 1011, the water inlet of the first exhanst gas outlet 1012, first are provided on the ontology of the evaporator 101 Mouth 1013, steam water interface outlet 1014 and sewage draining exit 1015.
The second gas inlet 1021, the water inlet of the second exhanst gas outlet 1022, second are provided on the ontology of the condenser 102 Mouth 1023 and the second discharge outlet 1024.
First gas inlet 1011 is connect with the smoke discharging pipe 3 of coke oven, the first exhanst gas outlet 1012 and the second flue gas Import 1021 connects.
Second exhanst gas outlet 1022 is connect with chimney 103.
Second discharge outlet 1024 is connected with the first water inlet 1013.
First water pipe 104 is connected with the first water inlet 1013.
Second feed pipe 105 is connected with the second water inlet 1023.
The steam exhaust recovering device 2 include surely arrange flash vessel 201,202, two drain tanks 203 of platoon flash vessel and with The hydrophobic development unit 204 that the sewage draining exit 1015 of evaporator 101 connects.
Surely the steam drain for arranging flash vessel 201 is connected by the air intake of the first jet chimney 205 and platoon flash vessel 202 It connects.
The steam drain of the hydrophobic development unit 204 is connected by the second jet chimney 206 with the first jet chimney 205, So that hydrophobic development unit 204 and the steam that row's flash vessel 201 is discharged surely, which enter, carries out secondary decompression in platoon flash vessel 202 After be then exhausted from, and then recycle steam exhaust sufficiently.
The steam drain of the platoon flash vessel 202 passes through 207 steam discharge of the first blow-off line, and the row of two drain tanks 203 Steam ports passes through the second blow-off line 208 and connect with the first blow-off line 207, and 202 bottom of platoon flash vessel is provided with for arranging The drain pipe 209 of condensed water out, drain pipe 209 are connected with the first water inlet 1013 of evaporator 101.
Four-way pipe 106 is provided between first feed pipe 104 and first water inlet 1013, four-way pipe 106 Four ports are connect with the first feed pipe 104, the first water inlet 1013, drain pipe 209 and the second discharge outlet 1024 respectively.
First blow-off line 207 is by the first vertical pipeline being vertically arranged, the tilted tube being obliquely installed and erects The second vertical pipeline being directly arranged is connected in sequence, and tilted tube is arranged horizontal by 45 degree of angles.
Steam exhaust recovering device 2 enables steam exhaust to recycle, and the condensed water formed after recycling resupplies evaporator 101, so that water It can recycle.
Most of heat of coke oven smoke evacuation is recycled by evaporator 101 and condenser 102, the water warp in condenser 102 It is supplied to evaporator 101 after crossing heating, so that the water in evaporator 101 is faster heated, saves heat source.
Water in evaporator 101 is provided jointly by the first feed pipe 104, condenser 102 and drain pipe 209, is realized The recycling of part water, it is more environmentally-friendly.
First blow-off line 207 is by the first vertical pipeline being vertically arranged, the tilted tube being obliquely installed and vertically sets The second vertical pipeline set is connected in sequence, its running stroke increases after so that steam exhaust is entered the first blow-off line 207, makes steam exhaust There is the more fully time to condense into water, reduction steam exhaust discharge, the saving energy.
Flue gas in the smoke discharging pipe 3 of coke oven is successively discharged after evaporator 101, condenser 102 and chimney 103.
Embodiment 2
As shown in Figure 1, a kind of energy-saving type coke oven flue residual neat recovering system, including boiler 1 and steam exhaust recovering device 2, institute Stating boiler 1 includes evaporator 101, condenser 102, chimney 103, the first feed pipe 104 and the second feed pipe 105.
The first gas inlet 1011, the water inlet of the first exhanst gas outlet 1012, first are provided on the ontology of the evaporator 101 Mouth 1013, steam water interface outlet 1014 and sewage draining exit 1015.
The second gas inlet 1021, the water inlet of the second exhanst gas outlet 1022, second are provided on the ontology of the condenser 102 Mouth 1023 and the second discharge outlet 1024.
First gas inlet 1011 is connect with the smoke discharging pipe 3 of coke oven, the first exhanst gas outlet 1012 and the second flue gas Import 1021 connects.
Second exhanst gas outlet 1022 is connect with chimney 103.
Second discharge outlet 1024 is connected with the first water inlet 1013.
First water pipe 104 is connected with the first water inlet 1013.
Second feed pipe 105 is connected with the second water inlet 1023.
The steam exhaust recovering device 2 include surely arrange flash vessel 201,202, two drain tanks 203 of platoon flash vessel and with The hydrophobic development unit 204 that the sewage draining exit 1015 of evaporator 101 connects.
Surely the steam drain for arranging flash vessel 201 is connected by the air intake of the first jet chimney 205 and platoon flash vessel 202 It connects.
The steam drain of the hydrophobic development unit 204 is connected by the second jet chimney 206 with the first jet chimney 205, So that hydrophobic development unit 204 and the steam that row's flash vessel 201 is discharged surely, which enter, carries out secondary decompression in platoon flash vessel 202 After be then exhausted from, and then recycle steam exhaust sufficiently.
The steam drain of the platoon flash vessel 202 passes through 207 steam discharge of the first blow-off line, and the row of two drain tanks 203 Steam ports passes through the second blow-off line 208 and connect with the first blow-off line 207, and 202 bottom of platoon flash vessel is provided with for arranging The drain pipe 209 of condensed water out, drain pipe 209 are connected with the first water inlet 1013 of evaporator 101.
Four-way pipe 106 is provided between first feed pipe 104 and first water inlet 1013, four-way pipe 106 Four ports are connect with the first feed pipe 104, the first water inlet 1013, drain pipe 209 and the second discharge outlet 1024 respectively.
First blow-off line 207 is by the first vertical pipeline being vertically arranged, the tilted tube being obliquely installed and erects The second vertical pipeline being directly arranged is connected in sequence, and tilted tube is arranged horizontal by 40 degree of angles.
Steam exhaust recovering device 2 enables steam exhaust to recycle, and the condensed water formed after recycling resupplies evaporator 101, so that water It can recycle.
Most of heat of coke oven smoke evacuation is recycled by evaporator 101 and condenser 102, the water warp in condenser 102 It is supplied to evaporator 101 after crossing heating, so that the water in evaporator 101 is faster heated, saves heat source.
Water in evaporator 101 is provided jointly by the first feed pipe 104, condenser 102 and drain pipe 209, is realized The recycling of part water, it is more environmentally-friendly.
First blow-off line 207 is by the first vertical pipeline being vertically arranged, the tilted tube being obliquely installed and vertically sets The second vertical pipeline set is connected in sequence, its running stroke increases after so that steam exhaust is entered the first blow-off line 207, makes steam exhaust There is the more fully time to condense into water, reduction steam exhaust discharge, the saving energy.
Flue gas in the smoke discharging pipe 3 of coke oven is successively discharged after evaporator 101, condenser 102 and chimney 103.

Claims (3)

1. a kind of energy-saving type coke oven flue residual neat recovering system, it is characterised in that: including boiler (1) and steam exhaust recovering device (2), The boiler (1) includes evaporator (101), condenser (102), chimney (103), the first feed pipe (104) and the second feed pipe (105), the first gas inlet (1011), the first exhanst gas outlet (1012), first are provided on the ontology of the evaporator (101) Water inlet (1013), steam water interface outlet (1014) and sewage draining exit (1015) are arranged on the ontology of the condenser (102) There are the second gas inlet (1021), the second exhanst gas outlet (1022), the second water inlet (1023) and the second discharge outlet (1024), institute It states the first gas inlet (1011) to connect with the smoke discharging pipe (3) of coke oven, the first exhanst gas outlet (1012) and the second gas inlet (1021) it connects, the second exhanst gas outlet (1022) is connect with chimney (103), the second discharge outlet (1024) and the first water inlet (1013) it is connected, first feed pipe (104) is connected with the first water inlet (1013), second feed pipe (105) It is connected with the second water inlet (1023), the steam exhaust recovering device (2) includes arranging flash vessel (201), platoon flash vessel surely (202), two drain tanks (203) and the hydrophobic development unit (204) being connect with the sewage draining exit (1015) of evaporator (101), institute It states and determines the steam drain of row's flash vessel (201) and connect by the first jet chimney (205) with the air intake of platoon flash vessel (202), The steam drain of the hydrophobic development unit (204) is connected by the second jet chimney (206) with the first jet chimney (205), with Make hydrophobic development unit (204) and surely row flash vessel (201) steam for being discharged enter in platoon flash vessel (202) carry out it is secondary It is then exhausted from after decompression, and then recycles steam exhaust sufficiently, the steam drain of the platoon flash vessel (202) passes through the first blow-off line (207) steam discharge, and the steam drain of two drain tanks (203) passes through the second blow-off line (208) and the first blow-off line (207) Connection, platoon flash vessel (202) bottom is provided with the drain pipe (209) for condensed water to be discharged, drain pipe (209) and evaporator (101) the first water inlet (1013) is connected.
2. a kind of energy-saving type coke oven flue residual neat recovering system as described in claim 1, it is characterised in that: first water supply It is provided with four-way pipe (106) between pipe (104) and first water inlet (1013), four ports difference of four-way pipe (106) It is connect with the first feed pipe (104), the first water inlet (1013), drain pipe (209) and the second discharge outlet (1024).
3. a kind of energy-saving type coke oven flue residual neat recovering system as described in claim 1, it is characterised in that: first steam discharge Pipeline (207) is by the first vertical pipeline being vertically arranged, the tilted tube being obliquely installed and the second vertical pipe being vertically arranged Road is connected in sequence, and tilted tube is arranged horizontal by 45 degree of angles.
CN201820150205.1U 2018-01-30 2018-01-30 A kind of energy-saving type coke oven flue residual neat recovering system Active CN208632455U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820150205.1U CN208632455U (en) 2018-01-30 2018-01-30 A kind of energy-saving type coke oven flue residual neat recovering system

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Application Number Priority Date Filing Date Title
CN201820150205.1U CN208632455U (en) 2018-01-30 2018-01-30 A kind of energy-saving type coke oven flue residual neat recovering system

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112268466A (en) * 2020-10-28 2021-01-26 攀钢集团攀枝花钢铁研究院有限公司 Process device and method for recovering metallurgical waste heat
CN112284146A (en) * 2020-10-28 2021-01-29 攀钢集团攀枝花钢铁研究院有限公司 Device and method for recovering metallurgical waste heat

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112268466A (en) * 2020-10-28 2021-01-26 攀钢集团攀枝花钢铁研究院有限公司 Process device and method for recovering metallurgical waste heat
CN112284146A (en) * 2020-10-28 2021-01-29 攀钢集团攀枝花钢铁研究院有限公司 Device and method for recovering metallurgical waste heat
CN112284146B (en) * 2020-10-28 2022-03-22 攀钢集团攀枝花钢铁研究院有限公司 Device and method for recovering metallurgical waste heat

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