CN203518581U - Energy-saving and environment-friendly kiln - Google Patents
Energy-saving and environment-friendly kiln Download PDFInfo
- Publication number
- CN203518581U CN203518581U CN201320249693.9U CN201320249693U CN203518581U CN 203518581 U CN203518581 U CN 203518581U CN 201320249693 U CN201320249693 U CN 201320249693U CN 203518581 U CN203518581 U CN 203518581U
- Authority
- CN
- China
- Prior art keywords
- air
- section
- energy
- environment
- waste gas
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses an energy-saving and environment-friendly kiln. The kiln comprises a sintering segment and a smoke evacuating segment and an air inlet is arranged in the sintering segment. The kiln is characterized in that the kiln also comprises a transition segment and an exhaust gas induced draught fan; the transition segment is arranged between the sintering segment and the smoke evacuating segment; an air entering port, a first air outlet and a second air outlet are arranged in the exhaust gas induced draught fan; the air entering port is extended into the transition segment; the first air outlet is communicated with the air inlet of the sintering segment via an exhaust gas flow return pipe; and the second air outlet is extended to the smoke evacuating segment. The kiln is advantageous in that the kiln is simple and reliable in structure, and is capable of balancing air pressure on an air exhausting segment and allowing exhaust gas to be recycled so that heat efficiency is enhance, energy consumption is reduced, energy is saved and environment is protected.
Description
Technical field
The utility model relates to 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 how, to reduce thermal loss.As: ceramic kiln, its structure comprises the section of burning till and smoke evacuation section, the high-temp waste gas that the section of burning till produces directly, through smoke evacuation section, is discharged outside body of heater.
Above-mentioned traditional kiln, has the following disadvantages: (1), because waste gas is with higher heat, high-temp waste gas is so directly drained, and obviously causes heat waste, affects the thermal efficiency, loss heat energy; Have, kiln in use, needs specified heat again, and the direct discharge of high-temp waste gas, the more heat energy of meeting loss, for making up dispersed heat, can consume the more energy, and this will inevitably cause more toxic emission, contaminated environment, and, production cost increased; (2), through the section of burning till waste gas out, all enter in smoke evacuation section, yet the air pressure due in cannot balance exhaust storehouse, can affect the timely discharge of waste gas, and then affect product and burn till quality.
Utility model content
The purpose of this utility model is to overcome the existing deficiency of above-mentioned prior art, and provides a kind of simple and reasonable for structure, and the air pressure on both can balance exhaust section, can make again waste gas circulation utilization, improving the thermal efficiency, reduce the kiln of energy consumption and energy-conserving and environment-protective.
The purpose of this utility model is to realize like this.
Energy-conserving and environment-protective kiln, comprise the section of burning till and smoke evacuation section, in the section of burning till, be 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 smoke evacuation section, on waste gas air-introduced machine, be provided with air intake vent, the first air outlet and the second air outlet, described air intake vent extends in changeover portion, and the first air outlet is connected by exhaust gas recirculation pipe and the air inlet of the section of burning till, and the second air outlet extends to smoke evacuation section; This kind of energy-conserving and environment-protective kiln, by changeover portion being set between the section of burning till and smoke evacuation section, and waste gas air-introduced machine is installed on changeover portion, the part high-temp waste gas that utilizes waste gas air-introduced machine that the section of burning till is discharged, by exhaust gas recirculation pipe, again drop in the section of burning till, its heat is recycled, improve the thermal efficiency, reduce energy consumption, realize the effect of energy-conserving and environment-protective; Have again, in view of waste gas air-introduced machine forms air inducing air channel on changeover portion, therefore, the part high-temp waste gas on exhaust section, can be drawn into the air intake vent of waste gas air-introduced machine, part high-temp waste gas is sent back to by the first air outlet the section of burning till and is recycled, and another part high-temp waste gas can be sent in smoke evacuation section, therefore again, air pressure in smoke evacuation section is balanced, the timely discharge that this had both been conducive to waste gas, further promotes again the utilization of waste gas circulation, and the effect that it is recycled is better.
The purpose of this utility model can also adopt following technical measures to solve.
As better scheme, the air intake vent level height on described waste gas air-introduced machine is higher than the first air outlet and the second air outlet, the suction of this top, the design that discharge bottom, when being conducive to high-temp waste gas and again being dropped into the section of burning till, meet heat rising principle, make the effect of waste gas heat exchange better.
As scheme more specifically, described waste gas air-introduced machine is arranged in the mounting groove of changeover portion bottom, is provided with the outer cover of being made by heat-resistance stainless steel material on the air-introduced machine in mounting groove, 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 of longer distance, for avoiding heat loss, the tube wall of described exhaust gas recirculation pipe comprises that four layer materials form, and by innermost layer, to outermost layer, they are respectively that poly-light ball high-alumina brick internal layer, corrosion resistant plate, heat-preservation cotton and aluminium sheet are outer.
As better scheme, described smoke evacuation section bottom is provided with secondary exhaust gas entrance, and the second air outlet on 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 smoke evacuation section, to regulate the air pressure of smoke evacuation section, be conducive to the smooth discharge of waste gas, and the effect of utilizing that improves waste gas circulation.
As best scheme, the smoke evacuation that described secondary exhaust gas entrance extends to smoke evacuation section tail end by individual conduits exports; That is to say, after air-introduced machine suction secondary exhaust gas entrance, directly by individual conduits, through smoke evacuation section tail end, discharge, this is equivalent to have twice smoke evacuation path.
On described waste gas air-introduced machine, be also provided with the air distribution port being communicated with atmosphere, so that user carries out distribution to high-temp waste gas as required.
As scheme more specifically, described in the air inlet of the section of burning till be connected with four arms, four arms are communicated with respectively four flues that burn till pars infrasegmentalis, and can independently regulate, and are respectively arranged with wide seam air outlet on each flue; That is to say, high-temp waste gas is sent into respectively in four flues that burn till pars infrasegmentalis, and high-temp waste gas carries out after heat exchange, then is discharged by wide seam air outlet.
In order further to improve heat insulation effect, described in the kiln wall of the section of burning till be insulating brick masonry formation.
The beneficial effects of the utility model are as follows.
(1) energy-conserving and environment-protective kiln of the present utility model, by changeover portion being set between the section of burning till and smoke evacuation section, and waste gas air-introduced machine is installed on changeover portion, the part high-temp waste gas that utilizes waste gas air-introduced machine that the section of burning till is discharged, by exhaust gas recirculation pipe, again drop in the section of burning till, its heat is recycled, improve the thermal efficiency, reduce energy consumption, realize the effect of energy-conserving and environment-protective.
(2) have again, in view of waste gas air-introduced machine forms air inducing air channel on changeover portion, therefore, the part high-temp waste gas on exhaust section, can be drawn into the air intake vent of waste gas air-introduced machine, part high-temp waste gas is sent back to by the first air outlet the section of burning till and is recycled, and another part high-temp waste gas can be sent in smoke evacuation section, therefore again, air pressure in smoke evacuation section is balanced, the timely discharge that this had both been conducive to waste gas, further promotes again the utilization of waste gas circulation, and the effect that it is recycled is better.
(3) the utility model, also by having additional puigging at mounting groove lateral wall, prevents that the heat of high-temp waste gas from being fallen apart; And, high-temp waste gas is dropped into the section of burning till again, can be by one section of longer distance, for avoiding heat loss, the tube wall of described exhaust gas recirculation pipe comprises that four layer materials form, and by innermost layer, to outermost layer, they are respectively that poly-light ball high-alumina brick internal layer, corrosion resistant plate, heat-preservation cotton and aluminium sheet are outer, and are insulating brick masonry formation in kiln, like this, can further improve the effect that recycles of waste-gas heat.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model energy-conserving and environment-protective kiln.
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 that high-temp waste gas of the present utility model is dropped into the schematic diagram of 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, in the section of burning till 1, be provided with air inlet 11, changeover portion 2 bottoms are provided with mounting groove 25, in mounting groove 25, be fixed with waste gas air-introduced machine 4, on air-introduced machine in mounting groove 25, be provided with the outer cover 6 of being made by heat-resistance stainless steel material, and in order to prevent that heat from faling apart, at described mounting groove 25 lateral walls, also have additional puigging 7, wherein, on described waste gas air-introduced machine 4, be provided with air intake vent 41, the first air outlet 42 and the second air outlet 43, described air intake vent 41 extends in changeover portion 2, so that the part high-temp waste gas suction that the section of burning till 1 is discharged, and the first air outlet 42 is connected by exhaust gas recirculation pipe 5 and the air inlet 11 of the section of burning till, system makes the part high-temp waste gas of suction by exhaust gas recirculation pipe 5, again dropping into the section of burning till 1 is recycled, and the second air outlet 43 is communicated with the secondary exhaust gas entrance 8 of smoke evacuation section 3 bottoms by secondary flue gas leading 9, so that part waste gas is sent into smoke evacuation section 3 again.
As better scheme, air intake vent 41 level heights on described waste gas air-introduced machine 4 are higher than the first air outlet 42 and the second air outlet 43, and the first air outlet 42 of lower position, when being conducive to high-temp waste gas and again being dropped into the section of burning till 1, meet heat rising principle, make the effect of waste gas heat exchange better; Certainly, the second air outlet 43 of lower position, is also 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 of longer distance, for avoiding heat loss, the tube wall of exhaust gas recirculation pipe 5 comprises that four layer materials form, and by innermost layer, to outermost layer, 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, and, the kiln wall of the described section of burning till is that insulating brick masonry forms, and its heat insulation effect is better.
As 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 by individual conduits 10, through smoke evacuation section 3 tail ends, discharge, this is equivalent to have twice smoke evacuation path.
In order to meet user, use needs, on described waste gas air-introduced machine 4, be also provided with the air distribution port 44 being communicated with atmosphere, so that user, according to actual conditions, carries out distribution adjusting.
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 respectively four flues 13 of the section of burning till 1 bottom, and can independently regulate, on each flue 13, be respectively arranged with wide seam air outlet 14, that is to say, high-temp waste gas is sent into respectively in four flues 13 of the section of burning till 1 bottom, and high-temp waste gas carries out after heat exchange, then is discharged by wide seam air outlet 14.
Operation principle: the high-temp waste gas of discharging through the section of burning till 1, a part is taken away by waste gas air-introduced machine 4, the high-temp waste gas that this part is pumped, being divided into two branch roads draws again, article one, branch road, through the second air outlet 43 and secondary flue gas leading 9, is sent to smoke evacuation section 3 tail ends, and another branch road is by the first air outlet 42 and exhaust gas recirculation pipe 5, again dropped in the section of burning till 1, as secondary utilization again; This kiln, has simply, rationally, and the air pressure on both can balance exhaust section 3, can make waste gas circulation utilization again, improving the thermal efficiency, 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), in the section of burning till (1), be 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 smoke evacuation section (3), on waste gas air-introduced machine (4), be provided with air intake vent (41), the first air outlet (42) and the second air outlet (43), described air intake vent (41) extends in changeover portion (2), the first air outlet (42) is connected by exhaust gas recirculation pipe (5) and the air inlet (11) of the section of burning till, the second air outlet (43) extends to smoke evacuation section (3).
2. energy-conserving and environment-protective kiln according to claim 1, is characterized in that, air intake vent (41) level height on described waste gas air-introduced machine (4) is higher than the first air outlet (42) and the second air outlet (43) level height.
3. energy-conserving and environment-protective kiln according to claim 1, it is characterized in that, described waste gas air-introduced machine (4) is arranged in the mounting groove (25) of changeover portion (2) bottom, on the air-introduced machine in mounting groove (25), is provided with the outer cover (6) of being made by heat-resistance stainless steel material.
4. energy-conserving and environment-protective kiln according to claim 1, is characterized in that, described mounting groove (5) lateral wall also has additional puigging (7).
5. energy-conserving and environment-protective kiln according to claim 1, it is characterized in that, the tube wall of described exhaust gas recirculation pipe (5) comprises that four layer materials form, and by innermost layer, to outermost layer, they are respectively poly-light ball high-alumina brick internal layer (51), corrosion resistant plate (52), heat-preservation cotton (53) and aluminium sheet outer (54).
6. energy-conserving and environment-protective kiln according to claim 1, it is characterized in that, described smoke evacuation section (3) bottom is provided with secondary exhaust gas entrance (8), and the second air outlet (43) on waste gas air-introduced machine (4) is connected by secondary flue gas leading (9) and secondary exhaust gas entrance (8).
7. energy-conserving and environment-protective kiln according to claim 6, 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. energy-conserving and environment-protective kiln according to claim 1, is characterized in that, is also provided with the air distribution port (44) being communicated with atmosphere on described waste gas air-introduced machine (4).
9. energy-conserving and environment-protective kiln according to 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 respectively four flues (13) of the section of burning till (1) bottom, is respectively arranged with wide seam air outlet (14) on each flue (13).
10. energy-conserving and environment-protective kiln according to claim 1, is characterized in that, described in the kiln wall of the section of burning till (1) be insulating brick masonry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320249693.9U CN203518581U (en) | 2013-05-10 | 2013-05-10 | Energy-saving and environment-friendly kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320249693.9U CN203518581U (en) | 2013-05-10 | 2013-05-10 | Energy-saving and environment-friendly kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203518581U true CN203518581U (en) | 2014-04-02 |
Family
ID=50377504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320249693.9U Expired - Lifetime CN203518581U (en) | 2013-05-10 | 2013-05-10 | Energy-saving and environment-friendly kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203518581U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256819A (en) * | 2013-05-10 | 2013-08-21 | 丁国友 | Energy-saving and environment-friendly kiln |
-
2013
- 2013-05-10 CN CN201320249693.9U patent/CN203518581U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256819A (en) * | 2013-05-10 | 2013-08-21 | 丁国友 | Energy-saving and environment-friendly kiln |
| CN103256819B (en) * | 2013-05-10 | 2015-08-12 | 佛山市金佰利机电有限公司 | Energy-conserving and environment-protective kiln |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201630195U (en) | Energy-saving high-efficiency grain drier | |
| CN105403037A (en) | Combustion supporting air heating and energy storing energy-saving roller kiln | |
| CN205448296U (en) | Energy -conserving accuse warm type hot -blast furnace | |
| CN203518581U (en) | Energy-saving and environment-friendly kiln | |
| CN205066394U (en) | Interior STREAMING oven | |
| CN201640425U (en) | Hot air circulation structure of bulk curing barn | |
| CN201772762U (en) | Energy saving cooling system for a roller kiln tail | |
| CN103256819B (en) | Energy-conserving and environment-protective kiln | |
| CN203501812U (en) | Energy-saving kiln having waste gas recycling function | |
| CN201751402U (en) | Residual-heat utilization device of float glass annealing kiln | |
| CN205655685U (en) | Heat sink suitable for resistant firebrick | |
| CN205228132U (en) | Energy -conserving roller kilns of combustion -supporting wind heating energy storage | |
| CN103256820B (en) | There is the energy saving kiln that waste gas circulation utilizes | |
| CN207456203U (en) | A kind of residual heat from kiln furnace retracting device | |
| CN105674557A (en) | Energy-saving and temperature-control type hot-blast stove | |
| CN207487371U (en) | A kind of waste-heat recovery device for baking oven air draft | |
| CN202002455U (en) | Drying furnace for moulded coal | |
| CN108489264A (en) | Energy conservation and environmental protection kiln | |
| CN201563590U (en) | Tobacco house moment-type heat dissipation energy-saving heat supply device | |
| CN203812650U (en) | Energy-saving environment-friendly single-furnace vertical type enamelling machine | |
| CN203492696U (en) | Energy-saving environment-friendly hot-blast strove with built-in smoke flue | |
| CN210292791U (en) | Roller hearth furnace capable of exhausting air up and down synchronously | |
| CN103380830A (en) | Energy-saving environmental-friendly hot-blast stove provided with built-in flues | |
| CN202675597U (en) | High-efficiency hot blast stove | |
| CN221548979U (en) | Energy-saving type hot air conveying structure of boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140402 Effective date of abandoning: 20150812 |
|
| RGAV | Abandon patent right to avoid regrant |