CN202993145U - Internally-buried heating type waste heat recovery steam generator for charcoal ink factory calcining furnace calcined coke - Google Patents
Internally-buried heating type waste heat recovery steam generator for charcoal ink factory calcining furnace calcined coke Download PDFInfo
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- CN202993145U CN202993145U CN2012207500071U CN201220750007U CN202993145U CN 202993145 U CN202993145 U CN 202993145U CN 2012207500071 U CN2012207500071 U CN 2012207500071U CN 201220750007 U CN201220750007 U CN 201220750007U CN 202993145 U CN202993145 U CN 202993145U
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- calcined coke
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- waste heat
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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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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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
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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 relates to an internally-buried heating type waste heat recovery steam generator for charcoal ink factory calcining furnace calcined coke and belongs to the field of waste heat boilers and industrial waste heat recovery. According to the internally-buried heating type waste heat recovery steam generator, a calcined coke discharging section adopts the internally-buried heating method, a rigid internally-installed steam heat exchange tube which is arranged inside calcined coke in a high-temperature section substitutes for a traditional water jacket type heat exchanger, the waste heat of the high-temperature section of the calcined coke discharging section is recovered, the structure is different from that of the traditional water jacket type heat exchanger, condensate circulating water return water enters the internally-installed heat exchanger from the lower portion and exchanges heat with high-temperature calcined coke through the heat exchange tube, the water is heated and evaporated by waste heat of the calcined coke, and the steam is sent out from a steam outlet on the upper portion, enters a steam collecting pipe and is then sent to downstream steam users. The waste heat recovery steam generator which is newly designed is adopted, material waste heat which is discharged originally is recovered for steam electric power generation, industrial steam consumption, heat supply and the like, the energy utilization efficiency of a charcoal ink factory can be improved, and emission reduction and water conservation can be achieved.
Description
Technical field
The utility model belongs to waste heat boiler and industrial afterheat recovery is utilized the field, buries heat-obtaining formula waste heat recovery steam generator in particularly a kind of charcoal ink factory calcining furnace calcined coke.
Background technology
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 furnace is for calcining petroleum coke except desulfuration, the component of grading of volatilizing, becoming these semi-finished product of calcined coke, is one of primary raw material of making through further roasting the charcoal element.The temperature of calcined coke in calcining furnace reaches 1200 ℃ of left and right, water-jacket typ heat exchanger structure by the discharging opening 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 typ heat exchanger by cooling circulating water, and cooling circulating water recycles after by coolings such as cooling towers.
The structure of traditional water-jacket typ heat exchanger that is used for cooling calcined coke as shown in Figure 1, this water-jacket typ heat exchanger can be divided into high temperature section and low-temperature zone two parts, wherein low-temperature zone water-jacket typ heat exchanger 7 is interconnected by side wall in low-temperature zone 5 and low-temperature zone shell wall 8 and surrounds, the bottom of this low-temperature zone water-jacket typ heat exchanger 7 is connected with cooling circulating water backwater B, cooling circulating water backwater B enters heat exchanger via low-temperature zone cooling water inlet pipe 11, high temperature calcined coke 2 heating in the inner chamber that is surrounded by jacket type structure by side wall in low-temperature zone 9.the top of low-temperature zone water-jacket typ heat exchanger 7 is by being connected with the bottom circulating water intake of high temperature section water-jacket typ heat exchanger 3a communicating pipe 6, high temperature section cooling water inlet pipe 11a also can be set in the bottom of high temperature section water-jacket typ heat exchanger 3a in case of necessity to improve the high temperature section circulating water flow, high temperature calcined coke 2 heating in the inner chamber that above-mentioned cooling water is surrounded by jacket type structure by side wall in high temperature section 5, and then send from the top coolant outlet, cooling water water outlet D fed downstream cooling tower carries out cooling, cooling water backwater B and C return to low-temperature zone water-jacket typ heat exchanger 7 and high temperature section water-jacket typ heat exchanger 3a continues cooling calcined coke.
But, traditional in esse problem of the water-jacket typ type of cooling is, a large amount of low grade residual heats have been drained in vain from cooling tower and have not been recycled, bear the recovery section waste heats such as on-site heating, domestic hot-water supply although adopt this waste heat in some charcoal ink factory, but consider that on-site heating area and thermic load are limited, required to add heat less for the domestic hot-water, therefore most heat energy are still emitted in vain, and expend great lot of water resources and circulating power etc.Therefore, traditional simple type of cooling has not met saving energy and cost, recycling social sustainable development requirement.
Therefore, be necessary to seek design and the structure thereof of the brand-new calcined coke discharging section type of cooling and waste heat recovery comprehensive utilization, the purpose that take full advantage of residual heat resources to reach, improves energy conservation and environmental protection benefit.
The utility model content
The purpose of this utility model is for overcoming the weak point of prior art, propose to bury heat-obtaining formula waste heat recovery steam generator in a kind of charcoal ink factory calcining furnace calcined coke, a large amount of waste heats that creatively calcined coke contained are converted into this high-grade of steam, available high-grade energy form.
Specific descriptions of the present utility model are:
bury heat-obtaining formula waste heat recovery steam generator in charcoal ink factory's calcining furnace calcined coke, in to be embedded in the material of the high temperature calcined coke 2 in the discharge nozzle that is connected in calcining furnace 1 bottom discharging opening inner, formed by the header 24 that buries heat-exchanging tube bundle 23 in the material inside of crossing or tiltedly pass high temperature calcined coke 2 and be positioned at discharge nozzle both sides, in bury and be cooling medium in the pipe of heat-exchanging tube bundle 23, wherein lower water inlet is connected with the recirculated water backwater F that condenses, condense recirculated water backwater F by after the interior tube wall that buries heat-exchanging tube bundle 23 and slowly descending high temperature calcined coke 2 heat exchange, become high-temperature vapour and send from the top steam (vapor) outlet, and be connected with drum 15 as dry pipe by steam pipe 14.
bury low-temperature zone water-jacket typ heat exchanger 7 of bottom connection that heat-obtaining formula waste heat recovery steam generator also is included in described calcined coke discharging section in calcined coke, wherein, interconnected by side wall in low-temperature zone 9 and low-temperature zone shell wall 8 and surround low-temperature zone water-jacket typ heat exchanger 7, the bottom of this low-temperature zone water-jacket typ heat exchanger 7 is connected with cooling circulating water backwater B, high temperature calcined coke 2 heating in the inner chamber that cooling circulating water backwater B is surrounded by low-temperature zone water-jacket typ heat exchanger 7 by side wall in low-temperature zone 9, the top of low-temperature zone water-jacket typ heat exchanger 7 is connected with low-temperature zone cooling water outlet pipe 12.
The cross section that buries heat-exchanging tube bundle 23 in described adopts circle or ellipsoidal structure.
The cross section of described header 24 adopts circular configuration.
The low-temperature zone cooling water water outlet E of low-temperature zone water-jacket typ heat exchanger 7 also can with calcined coke in bury heat-obtaining formula waste heat recovery steam generator high temperature section condensate return pipe 18 be connected, the cooling circulating water backwater B of low-temperature zone water-jacket typ heat exchanger 7 unites two into one with the recirculated water backwater F that condenses at this moment, and namely low-temperature zone water-jacket typ heat exchanger 7 becomes preheating section.
Characteristics of the present utility model and beneficial effect:
The utility model buries heat-obtaining formula structure in adopting, reclaim a large amount of waste heats in calcined coke and produce the steam of higher-energy grade, original material waste heat that is emitted is in vain reclaimed, can be used for steam-electric power, factory steam and heating etc., improve charcoal ink factory's efficiency of energy utilization, realize reducing discharging water-saving benefit, have higher economic and social benefits and engineering practical value.
Description of drawings
Fig. 1 is traditional water-jacket typ heat exchanger structure schematic diagram that is used for cooling calcined coke;
Fig. 2 buries the example structure schematic diagram of heat-obtaining formula waste heat recovery steam generator in charcoal ink factory's calcining furnace calcined coke of adopting of the utility model;
In Fig. 1,2, each unit number and title are as follows:
The specific embodiment
Bury heat-obtaining formula waste heat recovery steam generator in the charcoal ink factory's calcining furnace calcined coke that the utility model proposes, reach by reference to the accompanying drawings embodiment and describe in detail.
Specific embodiment of the utility model is as follows:
bury heat-obtaining formula waste heat recovery steam generator in charcoal ink factory's calcining furnace calcined coke, in to be embedded in the material of the high temperature calcined coke 2 in the discharge nozzle that is connected in calcining furnace 1 bottom discharging opening inner, formed by the header 24 that buries heat-exchanging tube bundle 23 in the material inside of crossing or tiltedly pass high temperature calcined coke 2 and be positioned at discharge nozzle both sides, in bury and be cooling medium in the pipe of heat-exchanging tube bundle 23, wherein lower water inlet is connected with the recirculated water backwater F that condenses, condense recirculated water backwater F by after the interior tube wall that buries heat-exchanging tube bundle 23 and slowly descending high temperature calcined coke 2 heat exchange, become high-temperature vapour and send from the top steam (vapor) outlet, and be connected with drum 15 as dry pipe by steam pipe 14.
bury low-temperature zone water-jacket typ heat exchanger 7 of bottom connection that heat-obtaining formula waste heat recovery steam generator also is included in described calcined coke discharging section in calcined coke, wherein, interconnected by side wall in low-temperature zone 9 and low-temperature zone shell wall 8 and surround low-temperature zone water-jacket typ heat exchanger 7, the bottom of this low-temperature zone water-jacket typ heat exchanger 7 is connected with cooling circulating water backwater B, high temperature calcined coke 2 heating in the inner chamber that cooling circulating water backwater B is surrounded by low-temperature zone water-jacket typ heat exchanger 7 by side wall in low-temperature zone 9, the top of low-temperature zone water-jacket typ heat exchanger 7 is connected with low-temperature zone cooling water outlet pipe 12.
In bury heat-exchanging tube bundle 23 cross section adopt ellipsoidal structure.
The cross section of header 24 adopts circular configuration.
Need to prove; the utility model proposes and adopt externally-wound type heat exchange coil structure to realize that the calcined coke waste heat recovery produces the structural design of steam; and according to this design, different concrete implementing measures can be arranged; such as cast, caliber, wall thickness and the pipe range combination etc. taking to bury heat-exchanging tube bundle in various, and the embodiment of other similar simple deformation all falls into protection domain of the present utility model.
Claims (4)
1. bury heat-obtaining formula waste heat recovery steam generator in charcoal ink factory's calcining furnace calcined coke, it is characterized in that, bury the material that is embedded in the high temperature calcined coke (2) in the discharge nozzle that is connected in calcining furnace (1) bottom discharging opening in heat-obtaining formula waste heat recovery steam generator in described calcined coke discharging section inner, formed by the header (24) that buries heat-exchanging tube bundle (23) in the material inside of crossing or tiltedly pass high temperature calcined coke (2) and be positioned at the discharge nozzle both sides, in bury and be cooling medium in the pipe of heat-exchanging tube bundle (23), wherein lower water inlet is connected with the recirculated water backwater (F) that condenses, condense recirculated water backwater (F) by after the interior tube wall that buries heat-exchanging tube bundle (23) and slowly descending high temperature calcined coke (2) heat exchange, become high-temperature vapour and send from the top steam (vapor) outlet, and be connected with drum (15) as dry pipe by steam pipe (14).
2. bury heat-obtaining formula waste heat recovery steam generator in charcoal ink factory as claimed in claim 1 calcining furnace calcined coke, it is characterized in that, also be included in the bottom of burying heat-obtaining formula waste heat recovery steam generator in described calcined coke and connect a low-temperature zone water-jacket typ heat exchanger (7), wherein, interconnected by side wall in low-temperature zone (9) and low-temperature zone shell wall (8) and surround low-temperature zone water-jacket typ heat exchanger (7), the bottom of this low-temperature zone water-jacket typ heat exchanger (7) is connected with cooling circulating water backwater (B), high temperature calcined coke (2) heating in the inner chamber that cooling circulating water backwater (B) is surrounded by low-temperature zone water-jacket typ heat exchanger (7) by side wall (9) in low-temperature zone, the top of low-temperature zone water-jacket typ heat exchanger (7) is connected with low-temperature zone cooling water outlet pipe (12).
3. bury heat-obtaining formula waste heat recovery steam generator in charcoal ink factory as claimed in claim 1 calcining furnace calcined coke, it is characterized in that, the cross section that buries heat-exchanging tube bundle (23) in described adopts circle or ellipsoidal structure.
4. bury heat-obtaining formula waste heat recovery steam generator in charcoal ink factory as claimed in claim 1 calcining furnace calcined coke, it is characterized in that, the cross section of described header (24) adopts circular configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207500071U CN202993145U (en) | 2012-12-31 | 2012-12-31 | Internally-buried heating type waste heat recovery steam generator for charcoal ink factory calcining furnace calcined coke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207500071U CN202993145U (en) | 2012-12-31 | 2012-12-31 | Internally-buried heating type waste heat recovery steam generator for charcoal ink factory calcining furnace calcined coke |
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| Publication Number | Publication Date |
|---|---|
| CN202993145U true CN202993145U (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012207500071U Expired - Fee Related CN202993145U (en) | 2012-12-31 | 2012-12-31 | Internally-buried heating type waste heat recovery steam generator for charcoal ink factory calcining furnace calcined coke |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345768A (en) * | 2016-05-06 | 2017-11-14 | 沈阳铝镁设计研究院有限公司 | A kind of burnt cooling of pot type burner high-temperature calcination and afterheat utilizing system and application method |
| CN107345767A (en) * | 2016-05-06 | 2017-11-14 | 沈阳铝镁设计研究院有限公司 | A kind of burnt waste heat recovery of pot type burner high-temperature calcination and cooling device |
-
2012
- 2012-12-31 CN CN2012207500071U patent/CN202993145U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345768A (en) * | 2016-05-06 | 2017-11-14 | 沈阳铝镁设计研究院有限公司 | A kind of burnt cooling of pot type burner high-temperature calcination and afterheat utilizing system and application method |
| CN107345767A (en) * | 2016-05-06 | 2017-11-14 | 沈阳铝镁设计研究院有限公司 | A kind of burnt waste heat recovery of pot type burner high-temperature calcination and cooling device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20151231 |
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| EXPY | Termination of patent right or utility model |