CN202991155U - Multi-heat-source generating heating system for carbon factory cascade waste heat recovery - Google Patents

Multi-heat-source generating heating system for carbon factory cascade waste heat recovery Download PDF

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CN202991155U
CN202991155U CN2012207488510U CN201220748851U CN202991155U CN 202991155 U CN202991155 U CN 202991155U CN 2012207488510 U CN2012207488510 U CN 2012207488510U CN 201220748851 U CN201220748851 U CN 201220748851U CN 202991155 U CN202991155 U CN 202991155U
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steam
heat
outlet
waste heat
generator
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张茂勇
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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
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Abstract

The utility model relates to a multi-heat-source generating heating system for carbon factory cascade waste heat recovery and belongs to the technical field of industrial waste heat generating and heating. The waste heat generating heating system comprises a carbon process waste heat recovery steam-generating subsystem, a turbine generating subsystem and a heating and cooling subsystem. The carbon process waste heat recovery steam-generating subsystem recovers waste heat resources such as calcination grate smoke, calcined coke, heat conduction oil grate smoke and roasting grate smoke in a cascade utilization mode to generate multi-grade steam; the turbine generating subsystem is in a multistage steam supplementing, steam pumping and steam condensing mode; and low-grade driving energy is adopted in the heating and cooling subsystem to achieve heating and refrigeration. The technical scheme of carbon factory process recovery in novel design is adopted, the waste heat of various materials of a carbon factory originally discharged in vain is comprehensively utilized for the first time, energy utilization efficiency of the carbon factory is improved, factory power utilization is reduced, and emission-reducing and water-saving benefits are achieved.

Description

A kind of many heat resource power generations of charcoal ink factory's step heat recovery heating system
Technical field
The utility model belongs to the industrial afterheat power generation technical field, particularly a kind of many heat resource power generations of charcoal ink factory's step heat recovery heating system.
Background technique
The charcoal ink factory is as the industrial department of highly energy-consuming, high pollution, maximum discharge, when providing the anode product for electrolytic aluminium, " three height " problem that also exists a large amount of all kinds of waste heats to be wasted, wherein calcining kiln is for calcining petroleum coke except desulfuration, the component of grading of volatilizing, becoming these semi-finished product of calcined coke, is one of main raw material of making through further roasting the charcoal element.In three large main technique sections of charcoal ink factory, the high-temperature smoke discharging of calcining kiln can adopt exhaust heat boiler to produce steam usually, but the discharging section waste heat of calcined coke adopts cooling jacket and cooling water system to emit in vain, and the smoke evacuation of the heat-conducting oil furnace that is connected with high-temperature smoke discharging also is discharged usually; And the waste heat amount of moulding technique is less; In roasting oven a large amount of, warm smoke discharging residual heat is also emitted usually in vain, if the residual heat resources of the many all kinds of grades in charcoal ink factory can be reclaimed according to energy grade, the steam and the hot water that are converted into the different parameters grade are in addition recycling, have great energy-saving and emission-reduction benefit.Wherein the temperature of calcined coke in calcining kiln reaches 1200 ℃ of left and right, water jacket type heat exchanger structure by the discharge port place cools, final temperature is sent after being reduced to approximately 100~200 ℃, can significantly reduce the oxidized possibility of calcined coke, guarantee that the calcined coke quality meets the requirement of downstream production process.Wherein calcined coke is cooled to temperature requiredly in the water jacket type heat exchanger by cooling circulating water, and cooling circulating water recycles after by coolings such as cooling towers.The middle temperature smoke evacuation of roasting oven lower due to temperature levels, include the composition such as tar and be difficult to effective recycling.
Therefore, be necessary to seek that brand-new charcoal ink factory's residual heat resources cascade utilization generates electricity, new mode and the embodiment thereof of heat supply and cooling, to reach the purpose that improves energy conservation and environmental protection benefit.
The model utility content
The purpose of this utility model is for overcoming the deficiency of prior art, a kind of many heat resource power generations of charcoal ink factory's step heat recovery heating system is proposed, the a large amount of waste heats that creatively calcined coke contained are converted into steam, and then the driving steam turbine generating, and carry out the warm air-conditioning cooling that reaches of vapour supply.
Specific descriptions of the present utility model are:
a kind of many heat resource power generations of charcoal ink factory's step heat recovery heating system, it is characterized in that, described many heat resource power generations of charcoal ink factory's step heat recovery heating system comprises that charcoal element process waste reclaims steam subtense angle 31 processed, steam turbine power generation subtense angle 32 and heat supply and cooling subtense angle 33 3 parts, wherein charcoal element process waste recovery steam subtense angle 21 processed comprises multistage exhaust heat boiler 6 steam structure processed that is connected with the high-temperature smoke discharging of calcining kiln 1, the calcined coke steam generator 3 that is connected with the discharging section of calcining kiln 1, low pressure exhaust heat boiler 7 steam structure processed that is connected with the middle temperature smoke evacuation of calcining kiln 1 and heat-conducting oil furnace 5, the low-pressure steam generator 19 that is connected with the middle temperature smoke evacuation of roasting oven 4, steam turbine power generation subtense angle 22 adopts steam extraction and condensing formula steam turbine 8 and the generator 9 of multistage filling, wherein the main steam steam inlet of steam extraction and condensing formula steam turbine 8 is connected with the high pressure steam outlet of multistage exhaust heat boiler 6, the first filling mouth of steam extraction and condensing formula steam turbine 8 is connected with the outlet of the low pressure steam of multistage exhaust heat boiler 6, the second filling mouth of steam extraction and condensing formula steam turbine 8 is connected with the steam (vapor) outlet of calcined coke steam generator 3 with low pressure exhaust heat boiler 7, the 3rd filling mouth of steam extraction and condensing formula steam turbine 8 is connected with the steam (vapor) outlet of low-pressure steam generator 19, the steam-expelling port of steam extraction and condensing formula steam turbine 8 is connected with the upper inlet of vapour condenser 10, the water of condensation outlet of vapour condenser 10 is by condensate pump group 18 and multistage exhaust heat boiler 6, calcined coke steam generator 3, low pressure exhaust heat boiler 7 is connected with the water intake of low-pressure steam generator 19, the extraction opening of multistage exhaust heat boiler 6 is connected with the generator of absorption heat pump type refrigerator 11, adsorber-the condenser of absorption heat pump type refrigerator 11 is connected with cooling waterpump group 12 with cooling tower 13, the evaporator outlet of absorption heat pump type refrigerator 11 is connected with the import of air conditioner water gas-distributing cylinder 14, the evaporator of absorption heat pump type refrigerator 11 is connected with the outlet of air conditioner water collection cylinder 15, the import of air conditioner water gas-distributing cylinder 14 also is connected with the outlet of the cooling jacket 2 of calcining kiln 1, the outlet of air conditioner water collection cylinder 15 also is connected with the import of the cooling jacket 2 of calcining kiln 1.
Calcined coke steam generator 3 adopt jacketed types, outer drum tubular type, outside attach hot tube, in bury the heat-obtaining bundled tube or in bury heat-obtaining hot tube heat recovery structure.
Characteristics of the present utility model and beneficial effect:
The utility model adopts charcoal ink factory's process waste recovery technology mode, reclaim a large amount of waste heats in charcoal element production technology and produce the steam of multiple kinds of energy grade, and then realize cogeneration, heating and cooling, improve charcoal ink factory's efficiency of energy utilization, reduce charcoal ink factory's station service, realize reducing discharging water-saving benefit, have higher economic and social benefits and engineering practical value.
Description of drawings
Fig. 1 is the example structure schematic diagram of many heat resource power generations of charcoal ink factory's step heat recovery heating system of adopting of the utility model;
In Fig. 1, each unit number and title are as follows:
calcining kiln 1, cooling jacket 2, calcined coke steam generator 3, roasting oven 4, heat-conducting oil furnace 5, multistage exhaust heat boiler 6, low pressure exhaust heat boiler 7, steam extraction and condensing formula steam turbine 8, generator 9, vapour condenser 10, absorption heat pump type refrigerator 11, cooling waterpump group 12, cooling tower 13, air conditioner water gas-distributing cylinder 14, air conditioner water collection cylinder 15, water pump of air conditioner group 16, waste heat water pump group 17, condensate pump group 18, low-pressure steam generator 19, charcoal element process waste reclaims steam subtense angle 31 processed, steam turbine power generation subtense angle 32 and heat supply and cooling subtense angle 33.
Embodiment
Many heat resource power generations of the charcoal ink factory's step heat recovery heating system that the utility model proposes reaches by reference to the accompanying drawings embodiment and describes in detail.
Specific embodiment of the utility model is as follows.
a kind of many heat resource power generations of charcoal ink factory's step heat recovery heating system comprises that charcoal element process waste reclaims steam subtense angle 31 processed, steam turbine power generation subtense angle 32 and heat supply and cooling subtense angle 33 3 parts, wherein charcoal element process waste recovery steam subtense angle 21 processed comprises multistage exhaust heat boiler 6 steam structure processed that is connected with the high-temperature smoke discharging of calcining kiln 1, the calcined coke steam generator 3 that is connected with the discharging section of calcining kiln 1, low pressure exhaust heat boiler 7 steam structure processed that is connected with the middle temperature smoke evacuation of calcining kiln 1 and heat-conducting oil furnace 5, the low-pressure steam generator 19 that is connected with the middle temperature smoke evacuation of roasting oven 4, steam turbine power generation subtense angle 22 adopts steam extraction and condensing formula steam turbine 8 and the generator 9 of multistage filling, wherein the main steam steam inlet of steam extraction and condensing formula steam turbine 8 is connected with the high pressure steam outlet of multistage exhaust heat boiler 6, the first filling mouth of steam extraction and condensing formula steam turbine 8 is connected with the outlet of the low pressure steam of multistage exhaust heat boiler 6, the second filling mouth of steam extraction and condensing formula steam turbine 8 is connected with the steam (vapor) outlet of calcined coke steam generator 3 with low pressure exhaust heat boiler 7, the 3rd filling mouth of steam extraction and condensing formula steam turbine 8 is connected with the steam (vapor) outlet of low-pressure steam generator 19, the steam-expelling port of steam extraction and condensing formula steam turbine 8 is connected with the upper inlet of vapour condenser 10, the water of condensation outlet of vapour condenser 10 is by condensate pump group 18 and multistage exhaust heat boiler 6, calcined coke steam generator 3, low pressure exhaust heat boiler 7 is connected with the water intake of low-pressure steam generator 19, the extraction opening of multistage exhaust heat boiler 6 is connected with the generator of absorption heat pump type refrigerator 11, adsorber-the condenser of absorption heat pump type refrigerator 11 is connected with cooling waterpump group 12 with cooling tower 13, the evaporator outlet of absorption heat pump type refrigerator 11 is connected with the import of air conditioner water gas-distributing cylinder 14, the evaporator of absorption heat pump type refrigerator 11 is connected with the outlet of air conditioner water collection cylinder 15, the import of air conditioner water gas-distributing cylinder 14 also is connected with the outlet of the cooling jacket 2 of calcining kiln 1, the outlet of air conditioner water collection cylinder 15 also is connected with the import of the cooling jacket 2 of calcining kiln 1.
Calcined coke steam generator 3 adopts the outside hot tube heat recovery structure that attaches.
Need to prove; the utility model proposes and adopt multiple heat exchange structure to realize the structural design of steam is produced in the recovery that comprises all kinds of residual heat resources that calcining kiln calcined coke, heat-conducting oil furnace smoke evacuation, roasting oven are discharged fume, and can have the mode of execution of different concrete implementing measures and simple deformation thereof all to fall into protection domain of the present utility model according to this design proposal.

Claims (2)

1. many heat resource power generations of charcoal ink factory's step heat recovery heating system, it is characterized in that, described many heat resource power generations of charcoal ink factory's step heat recovery heating system comprises that charcoal element process waste reclaims steam subtense angle processed (31), steam turbine power generation subtense angle (32) and heat supply and cooling subtense angle (33) three parts, wherein charcoal element process waste recovery steam subtense angle processed (21) comprises multistage exhaust heat boiler (6) steam structure processed that is connected with the high-temperature smoke discharging of calcining kiln (1), the calcined coke steam generator (3) that is connected with the discharging section of calcining kiln (1), low pressure exhaust heat boiler (7) steam structure processed that is connected with the middle temperature smoke evacuation of calcining kiln (1) and heat-conducting oil furnace (5), the low-pressure steam generator (19) that is connected with the middle temperature smoke evacuation of roasting oven (4), steam turbine power generation subtense angle (22) adopts steam extraction and condensing formula steam turbine (8) and the generator (9) of multistage filling, wherein the main steam steam inlet of steam extraction and condensing formula steam turbine (8) is connected with the high pressure steam outlet of multistage exhaust heat boiler (6), the first filling mouth of steam extraction and condensing formula steam turbine (8) is connected with the low pressure steam outlet of multistage exhaust heat boiler (6), the second filling mouth of steam extraction and condensing formula steam turbine (8) is connected with the steam (vapor) outlet of calcined coke steam generator (3) with low pressure exhaust heat boiler (7), the 3rd filling mouth of steam extraction and condensing formula steam turbine (8) is connected with the steam (vapor) outlet of low-pressure steam generator (19), the steam-expelling port of steam extraction and condensing formula steam turbine (8) is connected with the upper inlet of vapour condenser (10), the water of condensation outlet of vapour condenser (10) is by condensate pump group (18) and multistage exhaust heat boiler (6), calcined coke steam generator (3), low pressure exhaust heat boiler (7) is connected with the water intake of low-pressure steam generator (19), the extraction opening of multistage exhaust heat boiler (6) is connected with the generator of absorption heat pump type refrigerator (11), adsorber-the condenser of absorption heat pump type refrigerator (11) is connected with cooling waterpump group (12) with cooling tower (13), the evaporator outlet of absorption heat pump type refrigerator (11) is connected with the import of air conditioner water gas-distributing cylinder (14), the evaporator of absorption heat pump type refrigerator (11) is connected with the outlet of air conditioner water collection cylinder (15), the import of air conditioner water gas-distributing cylinder (14) also is connected with the outlet of the cooling jacket (2) of calcining kiln (1), the outlet of air conditioner water collection cylinder (15) also is connected with the import of the cooling jacket (2) of calcining kiln (1).
2. many heat resource power generations of charcoal ink factory's step heat recovery heating system as claimed in claim 1, it is characterized in that, described calcined coke steam generator (3) adopt jacketed type, outer drum tubular type, outside attach hot tube, in bury the heat-obtaining bundled tube or in bury heat-obtaining hot tube heat recovery structure.
CN2012207488510U 2012-12-31 2012-12-31 Multi-heat-source generating heating system for carbon factory cascade waste heat recovery Expired - Fee Related CN202991155U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104279788A (en) * 2013-07-08 2015-01-14 北京华航盛世能源技术有限公司 Process system capable of utilizing waste heat and complementary energy of cooling water of blast furnace
CN104454413A (en) * 2014-12-01 2015-03-25 江苏新能动力科技股份有限公司 Pressurized gas pressure relief kinetic energy recovery type power generation assembly
CN106523050A (en) * 2016-12-16 2017-03-22 北京科技大学 Hybrid power circulating system, operating method of hybrid power circulating system and power generation system
CN107144146A (en) * 2017-06-29 2017-09-08 中冶华天南京工程技术有限公司 Can-type calcine furnace afterheat utilizing system based on piping-main scheme
CN109099743A (en) * 2018-07-02 2018-12-28 东南大学 A kind of multi-heat source residual neat recovering system
CN117365696A (en) * 2023-10-27 2024-01-09 仟亿达集团股份有限公司 Multi-energy complementary co-production co-supply process system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104279788A (en) * 2013-07-08 2015-01-14 北京华航盛世能源技术有限公司 Process system capable of utilizing waste heat and complementary energy of cooling water of blast furnace
CN104454413A (en) * 2014-12-01 2015-03-25 江苏新能动力科技股份有限公司 Pressurized gas pressure relief kinetic energy recovery type power generation assembly
CN106523050A (en) * 2016-12-16 2017-03-22 北京科技大学 Hybrid power circulating system, operating method of hybrid power circulating system and power generation system
CN107144146A (en) * 2017-06-29 2017-09-08 中冶华天南京工程技术有限公司 Can-type calcine furnace afterheat utilizing system based on piping-main scheme
CN107144146B (en) * 2017-06-29 2023-11-24 中冶华天南京工程技术有限公司 Tank calciner waste heat utilization system based on mother pipe
CN109099743A (en) * 2018-07-02 2018-12-28 东南大学 A kind of multi-heat source residual neat recovering system
CN109099743B (en) * 2018-07-02 2020-06-30 东南大学 Multi-heat-source waste heat recovery system
CN117365696A (en) * 2023-10-27 2024-01-09 仟亿达集团股份有限公司 Multi-energy complementary co-production co-supply process system

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Granted publication date: 20130612

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