CN104880091B - Energy saving and environment friendly new-type annular kiln - Google Patents
Energy saving and environment friendly new-type annular kiln Download PDFInfo
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- CN104880091B CN104880091B CN201510298891.8A CN201510298891A CN104880091B CN 104880091 B CN104880091 B CN 104880091B CN 201510298891 A CN201510298891 A CN 201510298891A CN 104880091 B CN104880091 B CN 104880091B
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- kiln
- kiln body
- heat exchanger
- heat
- warm
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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
Abstract
The invention discloses the energy saving and environment friendly new-type annular kiln of one kind, flue（7）It is arranged in kiln wall and is communicated to kiln body（1）Lower section, kiln body（1）The kiln bottom plane of bottom inhales fire hole（2）With flue（7）Connection；Warm-air pipe（10）It is arranged at kiln body（1）Outside top, warm-air pipe（10）Two ends be connected to kiln body（1）Both sides outer wall, warm-air pipe（10）Heat exchanger is connected on kiln top（9）, in kiln body（1）It is internally located at heat exchanger（9）Lower section be provided with waste heat pipe（11）.The present invention starts with from kiln structure, coverage and residence time that extension heat smoke flows in kiln, to improve heat utilization efficiency, reduces energy consumption.Start with from air feed heat exchanger, heat exchanger is dexterously arranged on the top of kiln, not direct and flame contact, by heat transfer, radiation heat transfer.Change heat exchanger structure, increase heat exchange area, to improve the stability of wind-warm syndrome and wind speed.
Description
Technical field
The present invention relates to a kind of Industrial Stoves, more particularly to the energy-conserving and environment-protective that the product such as a kind of ceramics, refractory material is burnt till
The new-type annular kiln of type.
Background technology
In the industrial practical application such as modern industry ceramics, pottery abrasive media, refractory material, industry
Kiln is vital Thermal Equipment.In ceramics, refractory industry production, commonly used two classes kiln, i.e. continuity
The kiln of production and the kiln of intermittent production.
The Industrial Stoves of consecutive production, such as tunnel cave, pushed bat kiln.Its advantage is：Yield is big, labor intensity is low, people
Work is few, and specific energy consumption is low；Not enough aspect is：Expenditure of construction is high, and machine power capacity is big, uses operation, maintenance condition requirement
Height, each kind interchangeability of production is poor, and single kiln single product production is in stylized.When yield and sale are clashed（Yield is big
In sales volume）, such kiln operating cost is still very high.
The Industrial Stoves of intermittence production, such as side, circular down-draft kiln, shuttle kiln.Its advantage is：Construction cost is low, puts down
Face layout is random big, and production variety classification is more, and interchangeability is good, big using operation mobility, it is easy to dispatch.Maximum defect
It is：Specific energy consumption is high, and discharge capacity is big, and such kiln is in commercial Application, such as medium and high temperature kiln（1300-1650℃）, its actual heat profit
There was only 30-40% with rate, wherein the heat for having 60-70% is wasted.
Intermittence production kiln, high energy consumption, heat utilization ratio is low, to find out its cause, the amount of heat that burning is produced just is lost
During this " a cold heat ".In heating, kiln body has accumulation of heat radiation loss, and main thermal loss also resides in heat smoke
Residence time is short in kiln, and the coverage of flowing is short, and just inhaling fire hole through kiln bottom enters flue, shows according to relevant test：When
Kiln temperature is at 1200-1600 DEG C, and the temperature that kiln bottom suction fire hole collects in flue is up to 850-1350 DEG C, departs from the height in kiln
Warm flue gas heat lost to by burned material being not have effective in kiln.
Intermittence production kiln, installing heat exchanger in its any position does not have actual efficacy meaning.In process of production,
When the heat smoke excluded in kiln is by position at heat exchanger, it can reach that combustion air temperature meets bar by heat exchange air
During part, actual firing operation closely stops the fiery period.
In addition, intermittent production kiln, in process of production, after only fire entrance cooling stage is burnt till, kiln body and product
The heat stored was not utilized, mostly all loss and wastes.
General medium and small minuscule-type-enterprise, intermittence production kiln is still present, and with the upgrading of environmental protection, will also be phased out.
Therefore, the intermittent production kiln for studying a kind of energy saving and environment friendly new-type annular kiln to substitute medium and small minuscule-type-enterprise's presence at present is must
Want.
The content of the invention
It is an object of the invention to provide the energy saving and environment friendly new-type annular kiln of one kind, consecutive production is both avoided（Such as tunnel
The types such as kiln）Stylized production drawback, intermittent production is solved again（Such as down-draft kiln type）High energy consumption, discharge capacity it is big it
Technical barrier.
Technical scheme is as follows：
As shown in figure 1, the present invention is a kind of energy saving and environment friendly new-type annular kiln, it includes kiln body, flue, warm-air pipe, heat exchange
Device, waste heat pipe, in addition to the part such as four shoe brake plates and burner, gas pipe.In kiln body bottom fire hole is inhaled provided with kiln bottom plane.Its
In, flue is arranged in kiln wall and is communicated to below kiln body, and the kiln bottom plane of kiln body bottom is inhaled fire hole and connected with flue；Warm-air pipe
Top outside kiln body is arranged at, the two ends of warm-air pipe are connected to kiln body both sides outer wall, and warm-air pipe connects heat exchanger on kiln top, in kiln
Intracorporeal site is provided with waste heat pipe in the lower section of heat exchanger.Four road flashboards are provided between kiln body and flue.
The arranged direction of waste heat pipe and warm-air pipe in the plane be projected as right-angled intersection, and waste heat pipe is located in kiln body,
Warm-air pipe is located at outside kiln body.
The exposure of heat exchanger top outside kiln body and two ends connection warm-air pipe, exchanger base insertion kiln body top plate in and not
Directly contacted with kiln body internal flame.
Burner and gas pipe are provided with kiln body both sides outer wall connection warm-air pipe.
The present invention starts with from kiln structure, coverage and residence time that extension heat smoke flows in kiln, to improve
Heat utilization efficiency, reduces energy consumption.Start with from air feed heat exchanger, heat exchanger is dexterously arranged on the top of kiln, it is not directly and fiery
Flame is contacted, by heat transfer, radiation heat transfer.Change heat exchanger structure, increase heat exchange area, to improve the stabilization of wind-warm syndrome and wind speed
Property.And ensure the service life and safety of heat exchanger.Burn till after only fire, the waste heat of cooling kiln is delivered to follow-up kiln to be fired
Stove, is toasted and is preheated, to save fuel and shorten firing time.
The present invention is had an advantageous effect in that：Change kiln structure, change heat exchanger structure and installation site, increase cold
But residual heat using device, is finally reached：Kiln expenditure of construction is reduced, the service life of heat exchanger is improved, so that reduction energy consumption, is carried
High heat utilization efficiency, shortens firing time, improves production turnover rate, reduces unit cost, improves the optimal economic effect of product
Benefit, environmental benefit and social benefit.
Brief description of the drawings
Fig. 1 is the new-type annular kiln planar structure schematic diagram of the present invention；
Fig. 2 is the new-type annular kiln cross-sectional view of the present invention.
Description of reference numerals：1- kiln bodies, 2- kiln bottoms plane inhales fire hole, 3- flashboards one, 4- flashboards two, 5- flashboards three, 6- locks
Plate four, 7- flues, 8- burners, 9- heat exchangers, 10- warm-air pipes, 11- waste heat pipes, 12- gas pipes.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
As depicted in figs. 1 and 2, the present invention is a kind of energy saving and environment friendly new-type annular kiln, and it includes kiln body 1, flue 7, hot blast
Pipe 10, heat exchanger 9, waste heat pipe 11, in addition to four shoe brake plates, i.e. flashboard 1, flashboard 24, flashboard 35 and flashboard 46, are also wrapped
Include the parts such as burner 8, gas pipe 12.Wherein, flue 7 is arranged in kiln wall and is communicated to the lower section of kiln body 1, the kiln of the bottom of kiln body 1
Inhale fire hole 2 and connected with flue 7 in baseplane；Warm-air pipe is arranged at top outside kiln body, and the two ends of warm-air pipe are connected to kiln body both sides
Outer wall, warm-air pipe connects heat exchanger on kiln top, and the lower section for being internally located at heat exchanger in kiln body is provided with waste heat pipe.In kiln body 1 and cigarette
Four road flashboards are provided between road 7.
The arranged direction of the waste heat pipe 11 and warm-air pipe 10 in the plane be projected as right-angled intersection.The top of heat exchanger 9
Exposure is outside kiln body 1 and two ends are connected in warm-air pipe 10, the top plate of the bottom of heat exchanger 9 insertion kiln body 1 and the inside of discord kiln body 1 is fiery
Flame is directly contacted.Burner 8 and gas pipe 12 are provided with the both sides outer wall connection warm-air pipe 10 of kiln body 1.
The present invention is implemented：
As shown in Fig. 2 kiln goes into operation during igniting, flashboard 24 and flashboard 35 are first opened, flashboard 1 and flashboard 46 is closed,
Burner 8, economizer bank 9, gas pipe 12, by igniting code igniting, heats up after igniting by sintering curve.Now burn the flue gas of generation
The suction flue 7 of fire hole 2 is inhaled through kiln bottom plane, is entered in next kiln, then emptied via flue 7 from smokestack.When klining into
After knot, burner 8 is closed, flashboard 24 is closed, flashboard 46 is opened, starts the operation of second kiln.And waste heat pipe 11 is opened, will
Hot blast is sent in the 3rd kiln, when second kiln starts operation, and actual kiln temperature has reached more than 650 DEG C, opens burner 8,
Autogenous ignition.By that analogy.
Embodiment of the present invention, only need to once light a fire., also can contrary operation during single conjuncted combination.
Certainly, it is the concrete application example of the present invention above, the present invention also has other embodiments, all using equivalent
Replacement or the technical scheme of equivalent transformation formation, all fall within protection domain of the presently claimed invention.
Claims (4)
1. a kind of energy saving and environment friendly annular kiln, it is characterised in that：Flue（7）It is arranged in kiln wall and is communicated to kiln body（1）Lower section, kiln
Body（1）The kiln bottom plane of bottom inhales fire hole（2）With flue（7）Connection；Warm-air pipe（10）It is arranged at kiln body（1）Outside top, heat
Airduct（10）Two ends be connected to kiln body（1）Both sides outer wall, warm-air pipe（10）Heat exchanger is connected on kiln top（9）, in kiln body（1）It is interior
Portion is located at heat exchanger（9）Lower section be provided with waste heat pipe（11）；Heat exchanger（9）Top exposure is in kiln body（1）Outer and two ends connection heat
Airduct（10）, heat exchanger（9）Bottom is embedded in kiln body（1）Top plate in and discord kiln body（1）Internal flame is directly contacted.
2. energy saving and environment friendly annular kiln according to claim 1, it is characterised in that：The waste heat pipe（11）With warm-air pipe（10）
Arranged direction in the plane be projected as right-angled intersection.
3. energy saving and environment friendly annular kiln according to claim 1, it is characterised in that：In kiln body（1）Both sides outer wall connection hot blast
Pipe（10）Place is provided with burner（8）And gas pipe（12）.
4. energy saving and environment friendly annular kiln according to claim 1, it is characterised in that：In kiln body（1）And flue（7）Between be provided with
Four road flashboards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510298891.8A CN104880091B (en) | 2015-06-03 | 2015-06-03 | Energy saving and environment friendly new-type annular kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510298891.8A CN104880091B (en) | 2015-06-03 | 2015-06-03 | Energy saving and environment friendly new-type annular kiln |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104880091A CN104880091A (en) | 2015-09-02 |
| CN104880091B true CN104880091B (en) | 2017-07-28 |
Family
ID=53947685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510298891.8A Expired - Fee Related CN104880091B (en) | 2015-06-03 | 2015-06-03 | Energy saving and environment friendly new-type annular kiln |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357529A (en) * | 2018-09-12 | 2019-02-19 | 田园 | A kind of energy saving and environment friendly new-type annular kiln |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4596527A (en) * | 1984-01-13 | 1986-06-24 | Inax Corporation | Roller tunnel kiln |
| CN201377983Y (en) * | 2009-04-14 | 2010-01-06 | 刘汉泽 | Energy-saving anti-fall off once setting firing annular kiln |
| CN101846447A (en) * | 2010-06-19 | 2010-09-29 | 太原理工大学 | Down draft kiln |
| CN102878808B (en) * | 2012-10-26 | 2014-08-27 | 赵树壮 | Series connection industrial kiln |
| CN204694089U (en) * | 2015-06-03 | 2015-10-07 | 贵阳白云云雾铝矾土煅烧加工厂 | Annular kiln modified node method |
-
2015
- 2015-06-03 CN CN201510298891.8A patent/CN104880091B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357529A (en) * | 2018-09-12 | 2019-02-19 | 田园 | A kind of energy saving and environment friendly new-type annular kiln |
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| Publication number | Publication date |
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| CN104880091A (en) | 2015-09-02 |
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