CN102748956A - Method and device for recovering and utilizing kiln waste heat by spray drying tower in ceramic industry - Google Patents

Method and device for recovering and utilizing kiln waste heat by spray drying tower in ceramic industry Download PDF

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Publication number
CN102748956A
CN102748956A CN2012102315350A CN201210231535A CN102748956A CN 102748956 A CN102748956 A CN 102748956A CN 2012102315350 A CN2012102315350 A CN 2012102315350A CN 201210231535 A CN201210231535 A CN 201210231535A CN 102748956 A CN102748956 A CN 102748956A
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CN
China
Prior art keywords
heat
air
kiln
warm
spray drying
Prior art date
Application number
CN2012102315350A
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Chinese (zh)
Inventor
王伟平
Original Assignee
广东中窑窑业股份有限公司
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Application filed by 广东中窑窑业股份有限公司 filed Critical 广东中窑窑业股份有限公司
Priority to CN2012102315350A priority Critical patent/CN102748956A/en
Publication of CN102748956A publication Critical patent/CN102748956A/en

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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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
    • 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

Abstract

The invention discloses a method and device for recovering and utilizing kiln waste heat by a spray drying tower in the ceramic industry. The method comprises the following steps of: firstly, collecting a big amount of waste heat generated after rapid cooling of a kiln or by smoke emission in front of the kiln through a waste heat branch air pipe and branch connecting pipes thereof in the kiln into a heat exchange branch pipe, then delivering the waste heat through a tee branch connecting pipe into a heat exchange main pipe; then delivering the waste heat through a heat exchange fan into a warm-air pipe connected with a spray drying tower, meantime, delivering most of the waste heat in the warm-air pipe into a warm-air duct of the spray drying tower or a secondary combustion chamber in a warm-air pipeline so that the waste heat is thoroughly mixed with warm air in the warm-air duct or the secondary combustion chamber of the warm-air pipeline, and finally, directly delivering the mixed warm air through a warm-air pipe at the tower top into the tower for drying and milling; and delivering the other small part of waste heat in the warm-air pipe through the heat exchange fan into a combustion-supporting air pipe of a warm-air furnace of the spray drying tower to increase the temperature of the combustion-supporting air through the waste heat, thereby achieving the aims of recovering, purifying and utilizing kiln waste heat by the spray drying tower.

Description

A kind of ceramic industry spray drying tower is recycled the method and the device of using residual heat from kiln furnace
Technical field
The present invention relates to the technical field of ceramic industry spray drying tower, refer in particular to method and device that a kind of ceramic industry spray drying tower is recycled using residual heat from kiln furnace.
Background technology
The traditional ceramics industry is that an energy consumption height, pollution are big, the industry of resource-hungry; How to make full use of the waste heat that ceramic kiln produces; Improve energy cycling and reutilization method; Fully improve the level of utilizing of resource, the principles and policies of energy-saving and emission-reduction, environmental protection are implemented in strictness, are the problems that current ceramic industry is badly in need of solution.Know in the industry, can produce a large amount of waste heats behind the kiln chilling,, then will cause the waste of the energy, polluted air simultaneously if these waste heats are directly entered in the air, the aggravation greenhouse effects, and also caused the entreprise cost rising.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, provide a kind of reliable, simple to operate, obvious results ceramic industry spray drying tower reasonable in design to recycle the method and the device of using residual heat from kiln furnace.
For realizing above-mentioned purpose; Its method of technical scheme provided by the present invention is: a large amount of waste heats that at first smoke evacuation behind the kiln chilling or before the kiln produced; Be pooled in the heat exchange manifolds of kiln both sides through waste heat branch wind pipe in the kiln and each tube connector thereof; Concentrate on the waste heat in the heat exchange manifolds of kiln both sides, prop up tube connector through its threeway the waste heat in the kiln is sent in the heat exchange house steward; Gather heat exchange house steward's waste heat; Through its heat-exchange fan; Waste heat is transported in the warm-air pipe that connects spray drying tower, at this moment, the most of waste heat in the warm-air pipe deliver in the hot air duct of spray drying tower or in the hot-blast pipe line second-time burning indoor; After the hot-air of the secondary combustion chamber of this hot air duct or hot-blast pipe line fully mixed, final directly sending into through the warm-air pipe of cat head was used for dry powder process in the tower; Simultaneously; The waste heat of the few part of another in the warm-air pipe; Then send in the combustion-supporting airduct of hot-blast stove of spray drying tower through heat-exchange fan; Improve the temperature of combustion air like this through waste heat, and then make Combustion of Hot Air Furnace more abundant, thereby reached the spray drying tower recovery, purify and utilize the purpose of using residual heat from kiln furnace.
Ceramic industry spray drying tower of the present invention is recycled the device of using residual heat from kiln furnace; It includes warm-air pipe, the adapter of blower fan threeway air intake, heat exchange house steward, the threeway of heat-exchange fan platform, heat-exchange fan, connection spray drying tower and props up tube connector, heat exchange manifolds, a tube connector, waste heat branch wind pipe; Wherein, Described heat-exchange fan has two correspondences to be installed on the heat-exchange fan platform that is positioned at the kiln top; And join with the air inlet of warm-air pipe and the corresponding air outlet of blower fan threeway air intake adapter respectively; Simultaneously, air inlet that this blower fan threeway air intake is taken over and heat exchange house steward's air outlet join, and said heat exchange house steward's air inlet joins with the air outlet that tube connector is propped up in many threeways respectively; Simultaneously, these many waste heat threeways two air inlets of propping up tube connector join with the heat exchange manifolds that is positioned at the outer both sides of kiln respectively; Described heat exchange manifolds is joined with the air outlet of many waste heat branch wind pipes that are positioned at kiln respectively through tube connector, simultaneously, correspondingly on the tube wall of these many waste heat branch wind pipes offers a plurality of through holes that are used to absorb waste heat in the kiln.
The upper end of said warm-air pipe is provided with chimney.
The side horizontal level of said warm-air pipe is provided with temperature measurer.
Said threeway props up that correspondence is equipped with the automatic or manual butterfly valve on the tube connector.
The air outlet of said heat-exchange fan is that the air inlet through circumference adapter, connecting hose, push-pull valve and the warm-air pipe that joins successively joins.
Said warm-air pipe is fixed on the heat-exchange fan platform through the warm-air pipe support.
Said heat exchange house steward is fixed on the kiln top through the total pipe holder of heat exchange.
Said heat exchange manifolds is by the stent support that is welded in the kiln heel post.
The present invention is after having adopted such scheme, and its great advantage is that the present invention has reached the spray drying tower recovery, purified and utilize the purpose of using residual heat from kiln furnace, has also improved the efficiency of combustion and the powder quality of the hot-blast stove of spray drying tower simultaneously.In addition; The present invention can also in the import department of heat-exchange fan, be installed heatproof screen pack or other filter additional according to thermal technology's demand; To the waste heat filtration, purification in the heat exchange house steward; Can better meet technological requirement like this, also protect heat-exchange fan simultaneously, reduce the wearing and tearing of heat-exchange fan.
Description of drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a vertical view of the present invention.
Fig. 3 is a side view of the present invention.
The specific embodiment
Below in conjunction with specific embodiment the present invention is described further.
Shown in accompanying drawing 1 to accompanying drawing 3; The described ceramic industry spray drying tower of present embodiment is recycled the device of using residual heat from kiln furnace; It includes that heat-exchange fan platform 1, heat-exchange fan 2, circumference take over 3, connecting hose 4, the push-pull valve 5 that is used to control air quantity, warm-air pipe support 6, the warm-air pipe 7 that connects spray drying tower, waste heat branch wind pipe 8, temperature measurer 9, chimney 10, blower fan threeway air intake take over 11, the total pipe holder of heat exchange house steward 12, heat exchange 13, automatic or manual butterfly valve 14, threeway prop up tube connector 15, heat exchange manifolds 16, support 17, a tube connector 18; Wherein, The described heat-exchange fan 2 of present embodiment has two correspondences to be installed on the heat-exchange fan platform 1 that is positioned at the kiln top; Its duty is out that one is equipped with, and joins with the air inlet of warm-air pipe 7 and the corresponding air outlet of blower fan threeway air intake adapter 11 respectively, simultaneously; This warm-air pipe 7 is fixed on the above-mentioned heat-exchange fan platform 1 through warm-air pipe support 6; And the upper end of this warm-air pipe 7 is provided with chimney 10, and the side horizontal level of this warm-air pipe 7 is provided with temperature measurer 9; The air inlet of said blower fan threeway air intake adapter 11 and heat exchange house steward 12 air outlet join; Simultaneously; This heat exchange house steward 12 is fixed on the kiln top through the total pipe holder 13 of heat exchange, and this heat exchange house steward 12 air inlet joins with the air outlet that tube connector 15 is propped up in many threeways respectively; Two air inlets that tube connector 15 is propped up in said many waste heat threeways join with the heat exchange manifolds 16 that is positioned at the outer both sides of kiln respectively; Wherein, Described heat exchange manifolds 16 is to be supported by the support that is welded in the kiln heel post 17, and simultaneously, heat exchange manifolds 16 is joined with the air outlet of many waste heat branch wind pipes 8 of the interlaced installation that is positioned at kiln respectively through a tube connector 18; And correspondence offers a plurality of through holes that are used to absorb waste heat in the kiln on the tube wall of these many waste heat branch wind pipes 8.In addition, the air outlet of the said heat-exchange fan 2 of present embodiment is to join with the air inlet of warm-air pipe 7 through circumference adapter 3, connecting hose 4, the push-pull valve 5 that joins successively; Simultaneously, present embodiment props up in described threeway that correspondence is equipped with automatic or manual butterfly valve 14 on the tube connector 15, and its effect is to regulate and the interior tolerance of control valve.Below be the concrete operation principle of present embodiment said apparatus: a large amount of waste heats that smoke evacuation behind the kiln chilling or before the kiln is produced at first; In the heat exchange manifolds 16 that waste heat branch wind pipe 8 in the process kiln and each tube connector 18 thereof are pooled to the kiln both sides; Concentrate on the waste heat in the kiln both sides heat exchange manifolds 16 afterwards, prop up tube connector 15 by its threeway the waste heat in the kiln is sent to 12 li of heat exchange house stewards; Gather the waste heat in the heat exchange house steward 12 afterwards; By its heat-exchange fan 2; Waste heat is transported in the warm-air pipe 7 that connects spray drying tower; At this moment; Most of waste heat in the warm-air pipe 7 deliver in the hot air duct of spray drying tower or in the hot-blast pipe line second-time burning indoor; After the hot-air of the secondary combustion chamber of this hot air duct or hot-blast pipe line fully mixes, can improve combustion efficiency like this, final directly sending into by the warm-air pipe of cat head is used for dry powder process in the tower; Simultaneously; The waste heat of the few part of another in the warm-air pipe 7; Then send in the combustion-supporting airduct of hot-blast stove of spray drying tower by heat-exchange fan 2; Improve the temperature of combustion air like this by waste heat; The high combustion air of temperature makes Combustion of Hot Air Furnace more abundant, and the burnout rate of fuel is higher, thereby has improved the thermal efficiency; Also reduce the impurity that produces owing to fuel combustion is insufficient simultaneously, improved the qualification rate of product.Therefore, in sum, through above device and method, the present invention has reached the spray drying tower recovery, has purified and utilized the purpose of using residual heat from kiln furnace, has also improved the efficiency of combustion and the powder quality of the hot-blast stove of spray drying tower simultaneously.In addition, according to thermal technology's demand, the present invention can also be in the import department of heat-exchange fan; Install heatproof screen pack or other filter additional; Waste heat filtration, purification in the heat exchange house steward can better meet technological requirement like this, has also protected heat-exchange fan simultaneously; Reduced the wearing and tearing of heat-exchange fan, be worthy to be popularized.
The examples of implementation of the above only are the present invention's preferred embodiment, are not to limit practical range of the present invention with this, so the variation that all shapes according to the present invention, principle are done all should be encompassed in protection scope of the present invention.

Claims (9)

1. a ceramic industry spray drying tower is recycled the method for using residual heat from kiln furnace; It is characterized in that: a large amount of waste heats that at first smoke evacuation behind the kiln chilling or before the kiln produced; Waste heat branch wind pipe and each tube connector thereof through in the kiln are pooled in the heat exchange manifolds of kiln both sides; Concentrate on the waste heat in the heat exchange manifolds of kiln both sides, prop up tube connector through its threeway the waste heat in the kiln is sent in the heat exchange house steward; Gather heat exchange house steward's waste heat; Through its heat-exchange fan; Waste heat is transported in the warm-air pipe that connects spray drying tower, at this moment, the most of waste heat in the warm-air pipe deliver in the hot air duct of spray drying tower or in the hot-blast pipe line second-time burning indoor; After the hot-air of the secondary combustion chamber of this hot air duct or hot-blast pipe line fully mixed, final directly sending into through the warm-air pipe of cat head was used for dry powder process in the tower; Simultaneously; The waste heat of the few part of another in the warm-air pipe; Then send in the combustion-supporting airduct of hot-blast stove of spray drying tower through heat-exchange fan; Improve the temperature of combustion air like this through waste heat, and then make Combustion of Hot Air Furnace more abundant, thereby reached the spray drying tower recovery, purify and utilize the purpose of using residual heat from kiln furnace.
2. the ceramic industry spray drying tower that can realize the said method of claim 1 is recycled the device of using residual heat from kiln furnace; It is characterized in that: it includes warm-air pipe (7), waste heat branch wind pipe (8), blower fan threeway air intake adapter (11), heat exchange house steward (12), the threeway of heat-exchange fan platform (1), heat-exchange fan (2), connection spray drying tower and props up tube connector (15), heat exchange manifolds (16), a tube connector (18); Wherein, On the heat-exchange fan platform (1) that described heat-exchange fan (2) has two correspondences to be installed in to be positioned at the kiln top; And join with the air inlet of warm-air pipe (7) and the corresponding air outlet of blower fan threeway air intake adapter (11) respectively; Simultaneously; This blower fan threeway air intake is taken over the air inlet of (11) and heat exchange house steward's (12) air outlet joins; Said heat exchange house steward's (12) air inlet joins with the air outlet that tube connector (15) is propped up in many threeways respectively, and simultaneously, two air inlets that tube connector (15) is propped up in these many waste heat threeways join with the heat exchange manifolds (16) that is positioned at the outer both sides of kiln respectively; Described heat exchange manifolds (16) is joined with the air outlet of many waste heat branch wind pipes (8) that are positioned at kiln respectively through tube connector (18); Simultaneously, correspondence offers a plurality of through holes that are used to absorb waste heat in the kiln on the tube wall of these many waste heat branch wind pipes (8).
3. a kind of ceramic industry spray drying tower according to claim 2 is recycled the device of using residual heat from kiln furnace, and it is characterized in that: the upper end of said warm-air pipe (7) is provided with chimney (10).
4. according to the device of claim 2 or 3 described a kind of ceramic industry spray drying towers recycling using residual heat from kiln furnace, it is characterized in that: the side horizontal level of said warm-air pipe (7) is provided with temperature measurer (9).
5. a kind of ceramic industry spray drying tower according to claim 2 is recycled the device of using residual heat from kiln furnace, it is characterized in that: said threeway is propped up the last correspondence of tube connector (15) automatic or manual butterfly valve (14) is installed.
6. a kind of ceramic industry spray drying tower according to claim 2 is recycled the device of using residual heat from kiln furnace, it is characterized in that: the air outlet of said heat-exchange fan (2) is to join with the air inlet of warm-air pipe (7) through circumference adapter (3), connecting hose (4), the push-pull valve (5) that joins successively.
7. a kind of ceramic industry spray drying tower according to claim 2 is recycled the device of using residual heat from kiln furnace, and it is characterized in that: said warm-air pipe (7) is fixed on the heat-exchange fan platform (1) through warm-air pipe support (6).
8. a kind of ceramic industry spray drying tower according to claim 2 is recycled the device of using residual heat from kiln furnace, and it is characterized in that: said heat exchange house steward (12) is fixed on the kiln top through the total pipe holder of heat exchange (13).
9. a kind of ceramic industry spray drying tower according to claim 2 is recycled the device of using residual heat from kiln furnace, and it is characterized in that: said heat exchange manifolds (16) is to be supported by the support that is welded in the kiln heel post (17).
CN2012102315350A 2012-07-06 2012-07-06 Method and device for recovering and utilizing kiln waste heat by spray drying tower in ceramic industry CN102748956A (en)

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CN2012102315350A CN102748956A (en) 2012-07-06 2012-07-06 Method and device for recovering and utilizing kiln waste heat by spray drying tower in ceramic industry

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CN2012102315350A CN102748956A (en) 2012-07-06 2012-07-06 Method and device for recovering and utilizing kiln waste heat by spray drying tower in ceramic industry

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102967155A (en) * 2012-12-03 2013-03-13 卢爱玲 Energy saving device capable of recycling afterheat on ceramic kiln
CN103542730A (en) * 2013-09-27 2014-01-29 卢爱玲 Heat energy use and waste gas treatment system of ceramic kiln
CN105258519A (en) * 2015-11-14 2016-01-20 卢爱玲 Efficient heat energy use structure of slow cooling region on ceramic kiln
CN110081721A (en) * 2019-04-25 2019-08-02 广东省特种设备检测研究院潮州检测院 A kind of ceramics gas burning kiln heat energy from waste gas recycle device

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GB1531458A (en) * 1975-03-12 1978-11-08 Ass Portland Cement Integrated heat treatment process
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CN201237450Y (en) * 2008-07-09 2009-05-13 易乾亨 Waste heat recovery and utilization apparatus of ceramic roller kiln
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CN101598502A (en) * 2009-07-03 2009-12-09 霍镰泉 Waste heat recovery system of kiln
CN101598494A (en) * 2009-07-03 2009-12-09 霍镰泉 A kind of spray-drying installation and ceramic production line that utilizes using residual heat from kiln furnace
CN201476511U (en) * 2009-07-03 2010-05-19 霍镰泉 Heat collection device of spray drying tower
CN102243022A (en) * 2011-04-20 2011-11-16 南志远 Device for utilizing and controlling residual heat of ceramic kiln

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1531458A (en) * 1975-03-12 1978-11-08 Ass Portland Cement Integrated heat treatment process
KR100792715B1 (en) * 2006-07-19 2008-01-08 한국에너지기술연구원 Controlling apparatus for atmospheric gas using dx-gas burner
CN201237450Y (en) * 2008-07-09 2009-05-13 易乾亨 Waste heat recovery and utilization apparatus of ceramic roller kiln
CN201266021Y (en) * 2008-08-15 2009-07-01 霍镰泉 Roller kiln quench zone exhaust heat utilization apparatus
CN101598504A (en) * 2009-07-03 2009-12-09 霍镰泉 The control method of waste heat recovery system of kiln and control device
CN101598502A (en) * 2009-07-03 2009-12-09 霍镰泉 Waste heat recovery system of kiln
CN101598494A (en) * 2009-07-03 2009-12-09 霍镰泉 A kind of spray-drying installation and ceramic production line that utilizes using residual heat from kiln furnace
CN201476511U (en) * 2009-07-03 2010-05-19 霍镰泉 Heat collection device of spray drying tower
CN102243022A (en) * 2011-04-20 2011-11-16 南志远 Device for utilizing and controlling residual heat of ceramic kiln

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102967155A (en) * 2012-12-03 2013-03-13 卢爱玲 Energy saving device capable of recycling afterheat on ceramic kiln
CN103542730A (en) * 2013-09-27 2014-01-29 卢爱玲 Heat energy use and waste gas treatment system of ceramic kiln
CN103542730B (en) * 2013-09-27 2015-11-25 卢爱玲 The heat energy utilization of ceramic kiln and exhaust treatment system
CN105258519A (en) * 2015-11-14 2016-01-20 卢爱玲 Efficient heat energy use structure of slow cooling region on ceramic kiln
CN110081721A (en) * 2019-04-25 2019-08-02 广东省特种设备检测研究院潮州检测院 A kind of ceramics gas burning kiln heat energy from waste gas recycle device
CN110081721B (en) * 2019-04-25 2020-11-06 广东省特种设备检测研究院潮州检测院 Waste gas heat energy recycling device for ceramic gas kiln

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Application publication date: 20121024