CN103256819A - Energy-saving and environment-friendly kiln - Google Patents
Energy-saving and environment-friendly kiln Download PDFInfo
- Publication number
- CN103256819A CN103256819A CN2013101697827A CN201310169782A CN103256819A CN 103256819 A CN103256819 A CN 103256819A CN 2013101697827 A CN2013101697827 A CN 2013101697827A CN 201310169782 A CN201310169782 A CN 201310169782A CN 103256819 A CN103256819 A CN 103256819A
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- section
- air
- environment
- waste gas
- conserving
- 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.)
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- 239000000779 smoke Substances 0.000 claims abstract description 36
- 239000002912 waste gas Substances 0.000 claims description 71
- 239000007789 gas Substances 0.000 claims description 21
- 239000011449 brick Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 206010022000 influenza Diseases 0.000 claims description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical group [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 239000003546 flue gas Substances 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract description 11
- 238000004064 recycling Methods 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000005245 sintering Methods 0.000 abstract 4
- 230000007704 transition Effects 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses an energy-saving and environment-friendly kiln. The energy-saving and environment-friendly kiln comprises a sintering section and a smoke discharging section, wherein an air inlet is formed in the sintering section. The energy-saving and environment-friendly kiln is characterized by further comprising a transition section and an exhaust gas induced draft fan. The transition section is connected between the sintering section and the smoke discharging section. An air inlet, a first air outlet and a second air outlet are formed in the exhaust gas induced draft fan, wherein the air inlet extends to the interior of the transition section, the first air outlet is communicated with the air inlet of the sintering section through an exhaust gas backflow pipe, and the second air outlet extends to the smoke discharging section. The energy-saving and environment-friendly kiln has the advantages of being simple and reasonable in structure, capable of balancing the air pressure on the smoke discharging section, and capable of recycling the exhaust gas, improving thermal efficiency, reducing energy consumption, and being energy-saving and environment-friendly.
Description
Technical field
The present invention relates to the kiln technical field, especially a kind of energy-conserving and environment-protective kiln.
Background technology
At present, the improvement of various kilns, this sets about research on the one hand all to reduce thermal loss how.As: ceramic kiln, its structure comprise the section of burning till and smoke evacuation section, and the high-temp waste gas that the section of burning till produces directly through the smoke evacuation section, is discharged outside the body of heater.
Above-mentioned traditional kiln has the following disadvantages: (1) because waste gas has higher heat, high-temp waste gas is so directly drained, and obviously causes heat waste, influences the thermal efficiency, loss heat energy; Have, kiln needs specified heat in use again, and the direct discharging of high-temp waste gas, the more heat energy of meeting loss for remedying dispersed heat, can consume the more energy, and this will inevitably cause more toxic emission, contaminated environment, and, production cost increased; (2) waste gas that comes out through the section of burning till all enters in the smoke evacuation section, yet, because the air pressure in can't balance exhaust storehouse can influence the timely discharging of waste gas, and then influence product and burn till quality.
Summary of the invention
The objective of the invention is to overcome above-mentioned existing in prior technology deficiency, and provide a kind of simple and reasonable for structure, but the both air pressure on the balance exhaust section can make the waste gas circulation utilization again, to improve the thermal efficiency, to reduce the kiln of energy consumption and energy-conserving and environment-protective.
The object of the present invention is achieved like this.
The energy-conserving and environment-protective kiln, comprise the section of burning till and smoke evacuation section, the section of burning till is provided with air inlet, it is characterized in that, also comprise changeover portion and waste gas air-introduced machine, changeover portion is connected between the section of burning till and the smoke evacuation section, the waste gas air-introduced machine is provided with air intake vent, first air outlet and second air outlet, described air intake vent extends in the changeover portion, and first air outlet is connected by exhaust gas recirculation pipe and the air inlet of the section of burning till, and second air outlet extends to the smoke evacuation section; This kind of energy-conserving and environment-protective kiln, by between the section of burning till and smoke evacuation section, changeover portion being set, and at changeover portion installation waste gas air-introduced machine, the part high-temp waste gas that utilizes the waste gas air-introduced machine will the section of burning till to discharge, again drop in the section of burning till by the exhaust gas recirculation pipe, it is recycling that its heat is obtained, and improves the thermal efficiency, reduce energy consumption, realize the effect of energy-conserving and environment-protective; Have again, in view of the waste gas air-introduced machine constitutes the air inducing air channel at changeover portion, therefore, the part high-temp waste gas on the exhaust section, can be drawn into the air intake vent of waste gas air-introduced machine, it is recycling that part high-temp waste gas is sent back to the section of burning till by first air outlet, and another part high-temp waste gas can be sent in the smoke evacuation section, therefore again, air pressure in the smoke evacuation section obtains balance, this both had been conducive to the timely discharging of waste gas, further promoted the utilization of waste gas circulation again, made its recycling effect better.
Purpose of the present invention can also adopt following technical measures to solve.
As better scheme, the air intake vent level height on the described waste gas air-introduced machine is higher than first air outlet and second air outlet, the suction of this top, the design that discharge the bottom, when being conducive to high-temp waste gas and being dropped into the section of burning till again, meet the heat rising principle, make the effect of waste gas heat exchange better.
As scheme more specifically, described waste gas air-introduced machine is installed in the mounting groove of changeover portion bottom, and the air-introduced machine in the mounting groove is provided with the outer cover of being made by the heat-resistance stainless steel material, so that air-introduced machine adapts to hot environment.
Described mounting groove lateral wall also has additional puigging, can obviously reduce noise.
High-temp waste gas is dropped into the section of burning till again, can be by one section long distance, for avoiding heat to scatter and disappear, the tube wall of described exhaust gas recirculation pipe comprises that four layer materials constitute, and they are respectively poly-light ball high-alumina brick internal layer, corrosion resistant plate, heat-preservation cotton and aluminium sheet skin to outermost layer by innermost layer.
As better scheme, described smoke evacuation section bottom is provided with the secondary exhaust gas entrance, and second air outlet on the waste gas air-introduced machine is connected by secondary flue gas leading and secondary exhaust gas entrance; Like this, can make the part waste gas of waste gas air-introduced machine suction directly be delivered to the smoke evacuation section, to regulate the air pressure of smoke evacuation section, be conducive to the smooth discharging of waste gas, and the effect of utilizing that improves waste gas circulation.
As optimal scheme, described secondary exhaust gas entrance extends to the smoke evacuation outlet of smoke evacuation section tail end by individual conduits; That is to say that behind air-introduced machine suction secondary exhaust gas entrance, directly discharge through smoke evacuation section tail end by individual conduits, this is equivalent to have twice smoke evacuation path.
Also be provided with the air distribution port that is communicated with atmosphere on the described waste gas air-introduced machine, so that the user carries out distribution to high-temp waste gas as required.
As scheme more specifically, the air inlet of the described section of burning till is connected with four arms, and four arms are communicated with four flues that burn till pars infrasegmentalis respectively, but and independent regulation, be respectively arranged with wide seam air outlet on each bar flue; That is to say that high-temp waste gas is sent into respectively in four flues that burn till pars infrasegmentalis, after high-temp waste gas carries out heat exchange, discharged by wide seam air outlet again.
In order further to improve heat insulation effect, the kiln wall of the described section of burning till constitutes for the insulating brick masonry.
Beneficial effect of the present invention is as follows.
(1) energy-conserving and environment-protective kiln of the present invention, by between the section of burning till and smoke evacuation section, changeover portion being set, and at changeover portion installation waste gas air-introduced machine, the part high-temp waste gas that utilizes the waste gas air-introduced machine will the section of burning till to discharge, again drop in the section of burning till by the exhaust gas recirculation pipe, it is recycling that its heat is obtained, and improves the thermal efficiency, reduce energy consumption, realize the effect of energy-conserving and environment-protective.
(2) have again, in view of the waste gas air-introduced machine constitutes the air inducing air channel at changeover portion, therefore, the part high-temp waste gas on the exhaust section, can be drawn into the air intake vent of waste gas air-introduced machine, it is recycling that part high-temp waste gas is sent back to the section of burning till by first air outlet, and another part high-temp waste gas can be sent in the smoke evacuation section, therefore again, the air pressure of discharging fume in 3 sections obtains balance, this both had been conducive to the timely discharging of waste gas, further promoted the utilization of waste gas circulation again, made its recycling effect better.
(3) the present invention prevents that also by having additional puigging at the mounting groove lateral wall heat of high-temp waste gas from being loose; And, high-temp waste gas is dropped into the section of burning till again, can be by one section long distance, for avoiding heat to scatter and disappear, the tube wall of described exhaust gas recirculation pipe comprises that four layer materials constitute, and they are respectively poly-light ball high-alumina brick internal layer, corrosion resistant plate, heat-preservation cotton and aluminium sheet skin to outermost layer by innermost layer, and constitute for the insulating brick masonry in the kiln, like this, can further improve the recycling effect of waste-gas heat.
Description of drawings
Fig. 1 is the schematic diagram of energy-conserving and environment-protective kiln of the present invention.
Fig. 2 is the A place enlarged drawing of Fig. 1.
Fig. 3 is the B place enlarged drawing of Fig. 1.
Fig. 4 is the schematic diagram that high-temp waste gas of the present invention is dropped into the section of burning till again.
The specific embodiment
As shown in Figures 1 to 4, a kind of energy-conserving and environment-protective kiln, comprise the section of burning till 1, changeover portion 2 and smoke evacuation section 3, the section of burning till 1 is provided with air inlet 11, changeover portion 2 bottoms are provided with mounting groove 25, waste gas air-introduced machine 4 is fixedly arranged in the mounting groove 25, air-introduced machine in the mounting groove 25 is provided with the outer cover of being made by the heat-resistance stainless steel material 6, and in order to prevent that heat from loosing, also have additional puigging 7 at described mounting groove 25 lateral walls, wherein, described waste gas air-introduced machine 4 is provided with air intake vent 41, first air outlet 42 and second air outlet 43, described air intake vent 41 extends in the changeover portion 2, so as will the section of burning till the 1 part high-temp waste gas suction of discharging, and first air outlet 42 is by air inlet 11 connections of exhaust gas recirculation pipe 5 with the section of burning till, system makes the part high-temp waste gas of suction by exhaust gas recirculation pipe 5, again drop into the section of burning till 1 and be recycled, and second air outlet 43 is communicated with by the secondary exhaust gas entrance 8 of secondary flue gas leading 9 with smoke evacuation section 3 bottoms, so that part waste gas is sent into smoke evacuation section 3 again.
As better scheme, air intake vent 41 level heights on the described waste gas air-introduced machine 4 are higher than first air outlet 42 and second air outlet 43, and first air outlet 42 of lower position is when being conducive to high-temp waste gas and being dropped into the section of burning till 1 again, meet the heat rising principle, make the effect of waste gas heat exchange better; Certainly, second air outlet 43 of lower position also is conducive to the smooth discharge of waste gas.
As better scheme, described high-temp waste gas is dropped into the section of burning till again, can be by one section long distance, for avoiding heat to scatter and disappear, the tube wall of exhaust gas recirculation pipe 5 comprises that four layer materials constitute, and they are respectively poly-light ball high-alumina brick internal layer 51, corrosion resistant plate 52, heat-preservation cotton 53 and aluminium sheet skin 54 to outermost layer by innermost layer, and, the kiln wall of the described section of burning till constitutes for the insulating brick masonry, and its heat insulation effect is better.
See shown in Figure 1, described secondary exhaust gas entrance 8 extends to the smoke evacuation outlet 31 of smoke evacuation section 3 tail ends by individual conduits 10, that is to say, waste gas by air-introduced machine 4 suction secondary exhaust gas entrances 8 after, directly discharge through smoke evacuation section 3 tail ends by individual conduits 10, this is equivalent to have twice smoke evacuation path.
Use needs in order to satisfy the user, also be provided with the air distribution port 44 that is communicated with atmosphere on the described waste gas air-introduced machine 4, regulate so that the user, carries out distribution according to actual conditions.
The air inlet 11 of the described section of burning till 1 is connected with four arms 12, article four, arm 12 is communicated with four flues 13 of the section of burning till 1 bottom respectively, but and independent regulation, be respectively arranged with wide seam air outlet 14 on each bar flue 13, that is to say, high-temp waste gas is sent into respectively in four flues 13 of the section of burning till 1 bottom, after high-temp waste gas carries out heat exchange, is discharged by wide seam air outlet 14 again.
Operation principle: through the high-temp waste gas of the section of burning till 1 discharge, a part is taken away by waste gas air-introduced machine 4, the high-temp waste gas that this part is taken away, being divided into two branch roads again draws, article one, branch road is sent to smoke evacuation section 3 tail ends through second air outlet 43 and secondary flue gas leading 9, and another branch road is then by first air outlet 42 and exhaust gas recirculation pipe 5, again dropped in the section of burning till 1, as the secondary utilization again; This kiln, have simple, rationally, but the both air pressure on the balance exhaust section 3 can make the waste gas circulation utilization again, to improve the thermal efficiency, to reduce the advantage of energy consumption and energy-conserving and environment-protective.
Claims (10)
1. energy-conserving and environment-protective kiln, comprise the section of burning till (1) and smoke evacuation section (3), the section of burning till (1) is provided with air inlet (11), it is characterized in that, also comprise changeover portion (2) and waste gas air-introduced machine (4), changeover portion (2) is connected between the section of burning till (1) and the smoke evacuation section (3), waste gas air-introduced machine (4) is provided with air intake vent (41), first air outlet (42) and second air outlet (43), described air intake vent (41) extends in the changeover portion (2), first air outlet (42) is connected by exhaust gas recirculation pipe (5) and the air inlet (11) of the section of burning till, and second air outlet (43) extends to smoke evacuation section (3).
2. according to the described energy-conserving and environment-protective kiln of claim 1, it is characterized in that air intake vent (41) level height on the described waste gas air-introduced machine (4) is higher than first air outlet (42) and second air outlet (43) level height.
3. according to the described energy-conserving and environment-protective kiln of claim 1, it is characterized in that, described waste gas air-introduced machine (4) is installed in the mounting groove (25) of changeover portion (2) bottom, and the air-introduced machine in the mounting groove (25) is provided with the outer cover of being made by the heat-resistance stainless steel material (6).
4. according to the described energy-conserving and environment-protective kiln of claim 1, it is characterized in that described mounting groove (5) lateral wall also has additional puigging (7).
5. according to the described energy-conserving and environment-protective kiln of claim 1, it is characterized in that, the tube wall of described exhaust gas recirculation pipe (5) comprises that four layer materials constitute, and they are respectively poly-light ball high-alumina brick internal layer (51), corrosion resistant plate (52), heat-preservation cotton (53) and aluminium sheet skin (54) to outermost layer by innermost layer.
6.. according to the described energy-conserving and environment-protective kiln of claim 1, it is characterized in that, described smoke evacuation section (3) bottom is provided with secondary exhaust gas entrance (8), and second air outlet (43) on the waste gas air-introduced machine (4) is connected by secondary flue gas leading (9) and secondary exhaust gas entrance (8).
7. according to the described energy-conserving and environment-protective kiln of claim 6, it is characterized in that described secondary exhaust gas entrance (8) extends to the smoke evacuation outlet (31) of smoke evacuation section (3) tail end by individual conduits (10).
8. according to the described energy-conserving and environment-protective kiln of claim 1, it is characterized in that, also be provided with the air distribution port (44) that is communicated with atmosphere on the described waste gas air-introduced machine (4).
9. according to the described energy-conserving and environment-protective kiln of claim 1, it is characterized in that, the air inlet (11) of the described section of burning till (1) is connected with four arms (12), article four, arm (12) is communicated with four flues (13) of the section of burning till (1) bottom respectively, is respectively arranged with wide seam air outlet (14) on each bar flue (13).
10. according to the described energy-conserving and environment-protective kiln of claim 1, it is characterized in that the kiln wall of the described section of burning till (1) is the insulating brick masonry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310169782.7A CN103256819B (en) | 2013-05-10 | 2013-05-10 | Energy-conserving and environment-protective kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310169782.7A CN103256819B (en) | 2013-05-10 | 2013-05-10 | Energy-conserving and environment-protective kiln |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103256819A true CN103256819A (en) | 2013-08-21 |
| CN103256819B CN103256819B (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310169782.7A Active CN103256819B (en) | 2013-05-10 | 2013-05-10 | Energy-conserving and environment-protective kiln |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5696033A (en) * | 1979-12-29 | 1981-08-03 | Nippon Steel Corp | Waste heat recovering method and apparatus in sintering machine |
| CN201289287Y (en) * | 2008-10-26 | 2009-08-12 | 常丰文 | Environment protection and energy-saving single-setting type annular kiln with two air ducts |
| CN101749950A (en) * | 2009-12-31 | 2010-06-23 | 开县鼎盛建材有限公司 | Air return type energy saving annular kiln for producing shale brick and production method |
| CN201517887U (en) * | 2009-10-23 | 2010-06-30 | 中国建筑材料科学研究总院 | Ceramic kiln |
| CN201885587U (en) * | 2010-11-19 | 2011-06-29 | 佛山市中窑窑业发展有限公司 | Smoke double-exhaust device for kiln |
| CN202092456U (en) * | 2011-05-25 | 2011-12-28 | 临澧恒璋瓷业有限责任公司 | Roller kiln using mixed air and light hydrocarbon gas |
| CN202254901U (en) * | 2011-10-31 | 2012-05-30 | 淄博裕民耐火材料科技股份有限公司 | High-efficiency and energy-saving kiln |
| CN202547355U (en) * | 2012-05-09 | 2012-11-21 | 郑州京华耐火材料实业有限公司 | High-temperature tunnel kiln |
| CN203518581U (en) * | 2013-05-10 | 2014-04-02 | 丁国友 | Energy-saving and environment-friendly kiln |
-
2013
- 2013-05-10 CN CN201310169782.7A patent/CN103256819B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5696033A (en) * | 1979-12-29 | 1981-08-03 | Nippon Steel Corp | Waste heat recovering method and apparatus in sintering machine |
| CN201289287Y (en) * | 2008-10-26 | 2009-08-12 | 常丰文 | Environment protection and energy-saving single-setting type annular kiln with two air ducts |
| CN201517887U (en) * | 2009-10-23 | 2010-06-30 | 中国建筑材料科学研究总院 | Ceramic kiln |
| CN101749950A (en) * | 2009-12-31 | 2010-06-23 | 开县鼎盛建材有限公司 | Air return type energy saving annular kiln for producing shale brick and production method |
| CN201885587U (en) * | 2010-11-19 | 2011-06-29 | 佛山市中窑窑业发展有限公司 | Smoke double-exhaust device for kiln |
| CN202092456U (en) * | 2011-05-25 | 2011-12-28 | 临澧恒璋瓷业有限责任公司 | Roller kiln using mixed air and light hydrocarbon gas |
| CN202254901U (en) * | 2011-10-31 | 2012-05-30 | 淄博裕民耐火材料科技股份有限公司 | High-efficiency and energy-saving kiln |
| CN202547355U (en) * | 2012-05-09 | 2012-11-21 | 郑州京华耐火材料实业有限公司 | High-temperature tunnel kiln |
| CN203518581U (en) * | 2013-05-10 | 2014-04-02 | 丁国友 | Energy-saving and environment-friendly kiln |
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| Publication number | Publication date |
|---|---|
| CN103256819B (en) | 2015-08-12 |
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Owner name: FOSHAN JINBAILI ELECTRICAL AND MECHANICAL CO., LTD Free format text: FORMER OWNER: DING GUOYOU Effective date: 20150713 |
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Effective date of registration: 20150713 Address after: 528131 Guangdong city of Foshan province Applicant after: The dynamo-electric Co., Ltd of Foshan City's Kimberly Address before: 1002, room 8, block 2, 131 South Fenjiang Road, Chancheng District, Guangdong, Foshan, 528000 Applicant before: Ding Guoyou |
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Application publication date: 20130821 Assignee: Guangdong Yaoda Financial Leasing Co., Ltd Assignor: FOSHAN JINBAILI ELECTROMECHANICAL Co.,Ltd. Contract record no.: X2020980005281 Denomination of invention: Energy saving and environmental protection kiln Granted publication date: 20150812 License type: Exclusive License Record date: 20200824 |
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Denomination of invention: Energy saving and environmental protection kiln Effective date of registration: 20200826 Granted publication date: 20150812 Pledgee: Guangdong Yaoda Financial Leasing Co., Ltd Pledgor: FOSHAN JINBAILI ELECTROMECHANICAL Co.,Ltd. Registration number: Y2020980005437 |