CN106440837A - Novel industrial furnace flue gas steam waste gas utilization system - Google Patents
Novel industrial furnace flue gas steam waste gas utilization system Download PDFInfo
- Publication number
- CN106440837A CN106440837A CN201611006445.6A CN201611006445A CN106440837A CN 106440837 A CN106440837 A CN 106440837A CN 201611006445 A CN201611006445 A CN 201611006445A CN 106440837 A CN106440837 A CN 106440837A
- Authority
- CN
- China
- Prior art keywords
- flue gas
- boiler
- drying shed
- steam
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D11/00—Feed-water supply not provided for in other main groups
- F22D11/02—Arrangements of feed-water pumps
- F22D11/06—Arrangements of feed-water pumps for returning condensate to boiler
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
-
- 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
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
-
- 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
Abstract
The invention discloses a plywood production line waste heat utilization system. The system comprises an industrial furnace, an economizer, a drying chamber, a hot press, a dust remover, an air blower, a water tank and a water pump. Flue gas exhausted from the industrial furnace is connected with the drying chamber through the economizer and then conveyed to the dust remover through the drying chamber. Steam generated by a boiler is conveyed into the drying chamber after being used by the hot press, and then conveyed to the boiler by the water tank for recycling. The system has the advantages that the flue gas generated by the boiler is used for the second time in the drying chamber after being used by the economizer, heat in the flue gas is fully used, the steam is used for the second time in the drying chamber after being used by the hot press and then conveyed into the boiler for recycling, and heat in the steam is fully used. Used heat in the flue gas and steam is used for drying finished plate products, bamboo curtains, bamboo mats and other products produced by a plywood factory.
Description
Technical field
The present invention relates to Energy Saving for Industrial Furnace field, more particularly to a kind of novel industrial furnace flue gas vapors bootstrap system.
Technical background
The condensed water of 95 DEG C or so that in plywood factory's production process, the steam of boiler generation is produced after hot press pressing plate
Environment is directly discharged into without recycling, and the high-temperature flue gas that boiler is produced produce 180 DEG C ~ 200 DEG C of cigarette after economizer utilization
Gas is also directly discharged into air, causes larger energy waste.
At present, mainly by pre-heating fuel and air in the method that industrial furnace flue gas exhaust heat is utilized, hot water and steaming are produced
Vapour；Feedwater and First air that the flue gas that in plywood factory's production process, boiler is produced is entered in preheater post-heating preheater, warp
Air is directly discharged into after dedusting, and the steam that boiler is produced generates the condensed water that temperature is 95 DEG C or so after hot press use, and
This partial condensation water is directly discharged in environment and cools down；Part in flue gas and steam only make use of in plywood factory's production process
Heat.
In flue gas and vapor-recovery system that during the above is using plywood production, boiler is produced, including saving coal
Device, drying shed, heat exchanger, water tank etc., are all the waste heat energies in the flue gas and steam for being produced using boiler in plywood production, and
Waste heat energy in flue gas and steam is absorbed by heat-exchange device, due to being subject to the factors such as equipment and materials, heat exchanger efficiency
Restriction, the waste heat energy in flue gas and steam all cannot reclaim.
Content of the invention
The technical problem to be solved is to provide a kind of novel industrial furnace flue gas vapors bootstrap system, it
The usage amount of fuel and the discharge of atmosphere pollution can be reduced, the management personnel of drying shed can also be reduced, save people's solenoid
Reason cost.
Technical scheme of the present invention is：A kind of novel industrial furnace flue gas vapors bootstrap system, including pot
Stove, preheater, drying shed, cleaner unit, chimney, air stove drying shed, hot press, water tank and domestic water water tank；Produce from boiler
After the boiler feedwater that raw flue gas is entered in the economizer heating economizer through pipeline, after pipeline enters drying shed, lead to
Piping directly enters air from chimney after entering cleaner unit dedusting；The steam for producing from the boiler enters the heat through pipeline
Press or air stove drying shed, steam generates condensed water after hot press or air stove drying shed use, and condensed water enters through pipeline
After entering the second heat wind furnace drying shed 8, the water tank is delivered to by water pump, the steam for being produced by boiler is according to the product of production line
Amount determines whereabouts, and steam can be directly entered hot press after valve, it is also possible to be directly entered air stove drying shed after valve,
Hot press can also be partly into and be partly into air stove drying shed.
After 300 DEG C or so of the high-temperature flue gas for producing from boiler are utilized through the economizer, temperature is reduced to 180 DEG C or so, then
After utilizing through the drying shed, temperature is reduced to 90 DEG C or so.
It is that 180 DEG C of steam temperature after hot press or air stove drying shed is reduced to 95 DEG C or so cold that boiler produces temperature
Solidifying water, condensed water temperature after the utilization of second heat wind furnace drying shed is reduced to 60 DEG C or so.
Multiple wing type centrifugal blower fan, veneer frame and pre-heated heat exchanger is equipped with drying shed and air stove drying shed, can
So that air to be heated to 80 DEG C or so the production boards being placed on production board drying cart for drying.
With heat exchanger in the economizer, boiler feedwater is heated by heat exchanger using the flue gas that temperature is 300 DEG C
To steam water interface, heating evaporation further into boiler is being conveyed.
Relief valve is equipped with the pipeline.
Many hot channels are disposed with inside the second heat wind furnace drying shed, temperature is 95 DEG C or so of condensed water warp
Air in pipeline post-heating second heat wind furnace drying shed, heated air is unnecessary in the products such as bamboo mat, bamboo curtain splint for drying
Moisture.
The invention has the beneficial effects as follows：One be using after high-temperature flue gas heating boiler feed water, flue gas is introduced drying shed,
Dry the higher plank of water content using the remaining heat of flue gas, can be re-introduced into after drying preheater heating boiler feed water and
Domestic water；Two are introduced after the condensed water for producing hot press carries out the redrying of bamboo Shu Zhuxi after water tank directly by water pump
Boiler is sent into, can be sufficiently using the waste heat energy in flue gas and condensed water.
Description of the drawings
Fig. 1 is the plane schematic flow sheet of the present invention
In figure：
1st, boiler 2, economizer 3, drying shed 4, cleaner unit
5th, chimney 6, air stove drying shed 7, hot press 8, second heat wind furnace drying shed
9th, water tank 10, domestic water water tank
Fig. 2 is the structural representation of drying shed in the present invention
In figure：
11st, production board drying cart 12, blower fan 13, heat exchanger
Specific embodiment
With reference to the accompanying drawings and detailed description the present invention is described in further detail：
As depicted in figs. 1 and 2, a kind of novel industrial furnace flue gas vapors bootstrap system, including boiler 1, economizer 2, dries
Room 3, cleaner unit 4, chimney 5, air stove drying shed 6, hot press 7, second heat wind furnace drying shed 8, water tank 9, domestic water 10；Institute
State boiler 1 and be provided with steam pressure, temperature, instantaneous delivery instrumental panel, but the pressure of monitoring boiler internal at any time, the temperature of steam
Degree and instantaneous delivery；The flue gas that the boiler 1 is produced connects economizer 2 by the road and connects, and enters back into drying shed after economizer 2
3, behind drying room, temperature enters air after being reduced to 90 DEG C or so removing dust device dedustings；The steam that the boiler 1 is produced is by the road
It is connected with drying shed 6 and hot press 7, steam flows through 8 He of redrying room after xeothermic wind furnace drying shed 6 and hot press 7 successively
Water tank 9.
The operation principle of the present invention is, the flue gas that boiler 1 is produced once utilize through economizer 2 after heat exchange in drying shed 3
Device, the air for entering heat exchanger is heated to after 80 DEG C or so, further flue-gas temperature is reduced to 90 DEG C or so, improves flue gas
The utilization rate of waste heat；The sky of heat exchanger will be entered after the heat exchanger that the steam that the boiler 1 is produced is entered in air stove drying shed 6
Gas is heated to 80 DEG C or so the rear condensed waters for producing 95 DEG C or so, enters back in drying shed 10 and the products such as bamboo Shu Zhuxi are done
Dry；The steam that described boiler 1 is produced produces 95 DEG C or so of condensed water after hot press 7 and enters back into second heat wind furnace drying shed
In 8, steam is sent into boiler after entering water tank after second heat wind furnace drying shed 8 and is recycled, and improves the utilization rate of steam waste heat.
Heat exchanger in drying shed 3 and air stove drying shed 6 is to enter heat exchanger using the waste-heat of flue gas or steam
Air, air is heated to 80 DEG C or so rear entrance drying sheds, and in drying shed, display has the higher finished product plank of water content；Two
Many pipelines are disposed with secondary air stove drying shed 8, temperature is that 95 DEG C or so of condensed water is entered in second heat wind furnace drying shed 8
Pipeline, heat air in drying shed.
The condensed water sub-fraction for producing after hot press 7 enters domestic water water tank 10, provides living area needs in factory
Hot water；Condensed water directly has water pump to be sent into water tank 9,60 DEG C of the condensate temperature in water tank 9 after second heat wind furnace drying shed 8
Left and right, the condensed water in water tank 9 has water pump warp let-off economizer 2 again, is being entered after producing steam water interface through economizer 2 after heating
Boiler；Flue-gas temperature behind drying room 3 is 90 DEG C or so, directly enters air by chimney 5 after 4 dedusting of removing dust device.
The present invention arranges many places drying shed with using the heat in flue gas and steam, and drying shed 3 is hot air drying room, profit
The air of drying shed 3 is entered with the heat in flue gas, has fully recycled the heat in flue gas；Air stove drying shed 6
Unnecessary steam is produced using boiler and air is heated, take full advantage of the heat in steam；8 abundant profit of second heat wind furnace drying shed
With the heat in steam condensate (SC)；By the recycling to the heat in flue gas and steam；By taking certain plywood factory as an example, not
13000 tons of mark coals are consumed every year through reducing energy consumption, which is carried out after reducing energy consumption, 4500 tons can be saved every year using the present invention
Left and right mark coal, while yield also improves 30%；The present invention can not only reduce the usage amount of fuel and the row of atmosphere pollution
Put, the management personnel of drying shed can also be reduced, save manpower management cost.
It should be noted that although the present invention has carried out illustrating and being described specific embodiment, but not
Mean that the present invention is limited to the embodiment of these descriptions and application scenario.Those skilled in the art can be according to the skill of the present invention
Art design and scheme, therefrom derive other different forms, can be according to the technology design at said system place and scheme fortune
With different plywood factories, belong within institute's protection domain of the present invention.
Claims (7)
1. a kind of novel industrial furnace flue gas vapors bootstrap system, it is characterised in that：Including, boiler, preheater, drying shed,
Cleaner unit, chimney, air stove drying shed, hot press, water tank and domestic water water tank；The flue gas for producing from boiler is entered through pipeline
After boiler feedwater in the economizer heating economizer, after pipeline enters drying shed, cleaner unit is entered by pipeline and is removed
Directly from chimney, air is entered after dirt；The steam for producing from the boiler enters the hot press through pipeline or air stove dries
Room, steam generates condensed water after hot press or air stove drying shed use, and condensed water enters the second heat wind furnace through pipeline
After drying shed 8, the water tank is delivered to by water pump, the steam for being produced by boiler determines whereabouts according to the yield of production line, steam can
To be directly entered hot press after valve, it is also possible to be directly entered air stove drying shed after valve, it is also possible to be partly into
Hot press is partly into air stove drying shed.
2. novel industrial furnace flue gas vapors bootstrap system according to claim 1, it is characterised in that：Produce from boiler
After 300 DEG C or so of high-temperature flue gas are utilized through the economizer, temperature is reduced to 180 DEG C or so, then temperature after utilizing through the drying shed
Degree is reduced to 90 DEG C or so.
3. novel industrial furnace flue gas vapors bootstrap system according to claim 1, it is characterised in that：Boiler produces temperature
For 180 DEG C of steam, after hot press or air stove drying shed, temperature is reduced to 95 DEG C or so of condensed water, and condensed water is through second heat
Wind furnace drying shed is reduced to 60 DEG C or so using rear temperature.
4. novel industrial furnace flue gas vapors bootstrap system according to claim 1, it is characterised in that：Drying shed and hot blast
Multiple wing type centrifugal blower fan, veneer frame and pre-heated heat exchanger is equipped with stove drying shed, air can be heated to 80 DEG C of left sides
The right production board being placed on for drying on production board drying cart.
5. novel industrial furnace flue gas vapors bootstrap system according to claim 1, it is characterised in that：In the economizer
With heat exchanger, heat exchanger is heated to boiler feedwater after steam water interface using the flue gas that temperature is 300 DEG C, in conveying
Enter the further heating evaporation of boiler.
6. novel industrial furnace flue gas vapors bootstrap system according to claim 1, it is characterised in that：In the second heat
Many hot channels are disposed with inside wind furnace drying shed, and temperature is 95 DEG C or so of condensed water through pipeline post-heating second heat wind furnace
Air in drying shed, heated air is used for drying unnecessary moisture in the products such as bamboo mat, bamboo curtain splint.
7. novel industrial furnace flue gas vapors bootstrap system as claimed in claim 1, it is characterised in that：On the pipeline all
It is provided with relief valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611006445.6A CN106440837A (en) | 2016-11-16 | 2016-11-16 | Novel industrial furnace flue gas steam waste gas utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611006445.6A CN106440837A (en) | 2016-11-16 | 2016-11-16 | Novel industrial furnace flue gas steam waste gas utilization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106440837A true CN106440837A (en) | 2017-02-22 |
Family
ID=58207206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611006445.6A Pending CN106440837A (en) | 2016-11-16 | 2016-11-16 | Novel industrial furnace flue gas steam waste gas utilization system |
Country Status (1)
| Country | Link |
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| CN (1) | CN106440837A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109695484A (en) * | 2018-05-21 | 2019-04-30 | 陈建文 | A kind of tubular pole residual neat recovering system |
| CN110625725A (en) * | 2019-10-24 | 2019-12-31 | 广西霄能绿色科技有限公司 | Optimized heat supply method and equipment for bamboo board processing |
| CN112393264A (en) * | 2020-11-19 | 2021-02-23 | 郑州科技学院 | Boiler waste heat recycling system |
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| CN101733790A (en) * | 2009-12-15 | 2010-06-16 | 郑浩 | Bamboo glue board manufacturing process and production line |
| CN202562242U (en) * | 2012-04-12 | 2012-11-28 | 宜兴市一洲木业有限公司 | Energy-saving drying room and cooling water recycling system |
| CN203579819U (en) * | 2013-11-07 | 2014-05-07 | 衡水巴迈隆木业有限公司 | Medium-density plate blank heating system |
| CN204987753U (en) * | 2015-09-24 | 2016-01-20 | 聂志文 | Novel timber veneer drying machine that wets |
-
2016
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050053826A1 (en) * | 2003-09-08 | 2005-03-10 | Intematix Corporation | Low platinum fuel cell catalysts and method for preparing the same |
| CN101733790A (en) * | 2009-12-15 | 2010-06-16 | 郑浩 | Bamboo glue board manufacturing process and production line |
| CN202562242U (en) * | 2012-04-12 | 2012-11-28 | 宜兴市一洲木业有限公司 | Energy-saving drying room and cooling water recycling system |
| CN203579819U (en) * | 2013-11-07 | 2014-05-07 | 衡水巴迈隆木业有限公司 | Medium-density plate blank heating system |
| CN204987753U (en) * | 2015-09-24 | 2016-01-20 | 聂志文 | Novel timber veneer drying machine that wets |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109695484A (en) * | 2018-05-21 | 2019-04-30 | 陈建文 | A kind of tubular pole residual neat recovering system |
| CN110625725A (en) * | 2019-10-24 | 2019-12-31 | 广西霄能绿色科技有限公司 | Optimized heat supply method and equipment for bamboo board processing |
| CN110625725B (en) * | 2019-10-24 | 2023-11-07 | 广西霄能绿色科技有限公司 | Optimized heat supply method and equipment for bamboo board processing |
| CN112393264A (en) * | 2020-11-19 | 2021-02-23 | 郑州科技学院 | Boiler waste heat recycling system |
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Application publication date: 20170222 |
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