CN209326326U - A kind of kiln car formula kiln with waste-heat recovery device - Google Patents
A kind of kiln car formula kiln with waste-heat recovery device Download PDFInfo
- Publication number
- CN209326326U CN209326326U CN201822097818.6U CN201822097818U CN209326326U CN 209326326 U CN209326326 U CN 209326326U CN 201822097818 U CN201822097818 U CN 201822097818U CN 209326326 U CN209326326 U CN 209326326U
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- China
- Prior art keywords
- kiln
- waste
- burner hearth
- recovery device
- heat recovery
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Abstract
The utility model relates to a kind of kiln car formula kiln with waste-heat recovery device, belongs to tunnel oven technical field.Kiln car formula kiln with waste-heat recovery device includes kiln body and waste-heat recovery device；Kiln body include basis, be set on the basis of for surrounding the side wall of burner hearth, burner hearth includes heating zone, flat-temperature zone and cooling area；Burner hearth includes air duct in air inlet and outlet and burner hearth, roasts and is provided with shielding band between material and burner hearth, and air duct is the gap for roasting material in burner hearth；Waste-heat recovery device is connected to burner hearth air outlet, and is provided with air-introduced machine on connecting pipeline therebetween；Waste-heat recovery device includes multiple drying air ducts.Kiln car formula kiln with waste-heat recovery device can solve the problems, such as that the energy in existing kiln car formula kiln gas waste heat is not utilized very well using the waste heat of kiln come material drying.
Description
Technical field
The utility model relates to a kind of kiln car formula kiln with waste-heat recovery device, belongs to tunnel oven technical field.
Background technique
In the prior art, the flue gas of kiln car formula kiln is direct emission, but there is also a large amount of in this partial fume
Heat, there are the waste of energy, the energy in waste heat is not utilized well for the direct emission of flue gas.
Utility model content
To solve the problems, such as that gas energy cannot be utilized very well in existing kiln car formula stove, the utility model provides one
Kind has the kiln car formula kiln of waste-heat recovery device.
In order to solve the above technical problems, the technology employed by the present utility model is
A kind of kiln car formula kiln with waste-heat recovery device comprising kiln body and waste-heat recovery device；
Kiln body include basis, be set on the basis of for surrounding the side wall of burner hearth, burner hearth includes heating zone, flat-temperature zone and cooling
Area；
Burner hearth includes air duct in air inlet and outlet and burner hearth, roasts and is provided with shielding band between material and burner hearth,
Air duct is the gap for roasting material in burner hearth；
Waste-heat recovery device is connected to burner hearth air outlet, and is provided with air-introduced machine on connecting pipeline therebetween；
Waste-heat recovery device includes multiple drying air ducts.
Preferably, multiple drying air ducts include a main air duct and several transportation work style roads；
Several transportation work style roads are connected to main air duct, and main air duct is connected to burner hearth air outlet.
Preferably, branch air duct is curved structure.
Preferably, waste-heat recovery device further includes drying bed, and drying bed includes wavy loading plate.
Preferably, drying bed is arranged in branch air duct.
Preferably, the air inlet of burner hearth is located at the top at furnace outlet end, and the air outlet of burner hearth is located at burner hearth input end
Lower part；
Stratie is provided on the side wall of burner hearth.
Preferably, kiln body is made of insulating brick and insulation fibre.
It preferably, further include the track kiln car in orbit with setting, track is biserial prograde orbit, wherein a column track
It is calcination product kiln car into kiln track, one is classified as the carriage-returning track that product kiln car is completed in calcining, into kiln track and carriage return rail
The end in road is provided with ferry bus.
Preferably, kiln car formula kiln further includes multi-channel temperature control system, stratie and multi-channel temperature control system
System electrical connection.
Preferably, the stratie positioned at burner hearth different temperatures region is independently arranged, the resistance heating being independently arranged
Element is electrically connected with multi-channel temperature control system.
The utility model provides a kind of kiln car formula kiln with waste-heat recovery device, by the setting of air-introduced machine, with
Natural air is sucked kiln body by negative pressure, solves the resistance risen with forced draft high temperature hot gas stream, can be by the heat of temperature-fall period
Recycling to greatest extent.
Shielding band is provided between stove and roasting material, shielding band can shield kiln and roast the sky between material
Gap, the air-flow being forced into burner hearth pass through from the gap of material, to reach maximum heat exchange, improve the recycling of heat
Efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the kiln car formula kiln provided by the embodiment of the utility model with waste-heat recovery device；
Fig. 2 is the end structure illustration of kiln car formula kiln；
In figure:
1: kiln body；2: track；3: kiln car；4: resistance wire；5: air-introduced machine；6: roasting material；7: drying air duct；8: shielding
Band；9: flexible seals；
In Fig. 1, curve indicated by A, B, C is temperature gradient curve in burner hearth, wherein A indicates that heating zone, B indicate
Flat-temperature zone and C indicate cooling area.
Specific embodiment
Specific embodiment of the utility model is described further with reference to the accompanying drawing.
As shown in Figure 1 and Figure 2, a kind of kiln car formula kiln with waste-heat recovery device comprising kiln body 1 and waste heat recycling
Device.
Kiln body 1 include basis, be set on the basis of for surrounding the side wall of burner hearth, burner hearth includes heating zone, flat-temperature zone and drop
Warm area.
Burner hearth includes air duct in air inlet and outlet and burner hearth, roasts and is provided with shielding band between material 6 and burner hearth
8, air duct is the gap for roasting material 6 in burner hearth.
Waste-heat recovery device is connected to burner hearth air outlet, and air-introduced machine 5 is provided on connecting pipeline therebetween.
Waste-heat recovery device includes multiple drying air ducts 7.
By the setting of air-introduced machine, natural air is sucked by kiln body with negative pressure, is solved with forced draft high temperature hot gas stream
The resistance of rising, can be by the recycling to greatest extent of the heat of temperature-fall period.
Shielding band 8 is provided between stove and roasting material, shielding band 8 can shield kiln and roast the sky between material
Gap, the air-flow being forced into burner hearth pass through from the gap of material, to reach maximum heat exchange, improve the recycling of heat
30% or more thermal energy can be recycled in efficiency.
Specifically, multiple drying air ducts 7 include a main air duct and several transportation work style roads, several transportation work style roads with main wind
Road connection, main air duct are connected to burner hearth air outlet.
Branch air duct is curved structure.Waste-heat recovery device further includes drying bed, and drying bed includes wavy carrying
Plate, drying bed is arranged in branch air duct, it can be achieved that thermal efficiency conversion 50%.
Kiln car formula kiln also packet track 2 and kiln car 3.
Kiln body 1 include basis, be set on the basis of for surrounding the side wall of burner hearth, burner hearth include heating zone A, flat-temperature zone B and
Cooling area C.
Burner hearth includes air inlet and air outlet, wherein air inlet is located at the top at furnace outlet end, and air outlet is located at burner hearth
The lower part of input end.
Stratie is provided on the side wall of burner hearth.
In the present embodiment, the heat source using stratie as kiln keeps temperature control more acurrate, solves
The problem of using coal burning and gas burning as the heat source environmental pollution of kiln.Kiln carries out air circulation in the form of upper entering and lower leaving, by force
The thermal current that making keeps nature upward flows downward, while the thermal compensation of cooling area is utilized by the air-supply of improvement or air-inducing passage
Heating zone realizes and reduces upper and lower temperature difference and energy-efficient purpose.
Kiln body 1 is made of insulating brick and insulation fibre, improves thermal insulation property, has reached the energy-efficient purpose in part, such
Mode is than tradition only with 8% or more insulating brick mode energy conservation.
Track 2 is biserial prograde orbit, wherein a column track 2 is calcination product kiln car into kiln track, and one is classified as calcining
The carriage-returning track for completing product kiln car, is provided with ferry bus into the end of kiln track and carriage-returning track.Ferry bus is used for will
Kiln car switches on two column tracks 2.
Kiln car formula kiln further includes multi-channel temperature control system, and stratie is electrically connected with multi-channel temperature control system
It connects.
Specifically, the stratie for being located at burner hearth different temperatures region is independently arranged, the resistance heating being independently arranged
Element is electrically connected with multi-channel temperature control system.
Stratie is resistance wire 4, and the outside of resistance wire 4 is provided with ceramic shell.Specifically, using high temperature resistant
Ceramic tube improves heat dissipation effect and service life as shell.
4 material of resistance wire uses 0Cr25Al5 or 0Cr21Al6Nb.
The arrangement method for improving resistance wire 4, by the adjustment of 4 diameter of resistance wire and helical pitch power unequal distribution,
Solves the big disadvantage of upper and lower temperature difference in kiln, in burner hearth, in the resistance wire density or number of the position setting for needing temperature high
Amount is higher than the position for needing temperature low.
Isolating device is provided between the stratie in different temperatures region.By the setting of isolating device, solve
The mutual hot interference problem of multiple groups straties, improves multi-channel temperature control system to the essence of each warm area independent control
Degree, the more conducively setting and control of the temperature curve of production technology.
Multi-channel temperature control system includes PID controller, such as PID temp controlled meter.Multi-channel temperature control system uses PID temperature control
Table adjusts control power output regulator module and is segmented independent control to multiple groups resistance wire, it can be achieved that continuous voltage regulating Power Regulation exports.
Compared with the temperature fluctuation of traditional temperature control method ± 10 DEG C or so, the temperature fluctuation of such temperature control form can be reduced to ± 1 DEG C of left side
It is right.
Basis is fire resistant heat preserving brick foundation, and 9 dual-seal of sand seal and flexible seals is provided between kiln car and basis,
Efficiently solve stack effect.
In the present embodiment, by using resistance wire Electric heating, air circulation mode is improved, Yi Jizeng
Add flexible seals, reduces 20-50 DEG C than traditional kiln car formula saving energy in kiln 30-40%, and than traditional kiln car formula kiln temperature difference.
Kiln car formula kiln further includes servo-hydraulic propulsion device and PLC control module；Servo-hydraulic propulsion device is in PLC
The movement of drive kiln car under the control of control module.PLC module process control servo-hydraulic propulsion mode is, it can be achieved that any promote
Time, speed, continuously or discontinuously promotes and quickly retracts setting etc. at propelling pressure.
Air-introduced machine 5 is provided at the air outlet of burner hearth.Under the action of air-introduced machine, air is inhaled from the air inlet of burner hearth
Enter, then air-flow realizes heat exchange by the gap of kiln cooling area product.
The embodiments of the utility model have been described in detail above with reference to the accompanying drawings, but the utility model is not limited to
Embodiment is stated, within the knowledge of a person skilled in the art, the utility model aims can also not departed from
Under the premise of make obtaining various change, also should be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of kiln car formula kiln with waste-heat recovery device, it is characterised in that: including kiln body and waste-heat recovery device；
Kiln body include basis, be set on the basis of for surrounding the side wall of burner hearth, burner hearth includes heating zone, flat-temperature zone and cooling area；
Burner hearth includes air duct in air inlet and outlet and burner hearth, roasts and is provided with shielding band, burner hearth between material and burner hearth
Interior air duct is the gap for roasting material；
Waste-heat recovery device is connected to burner hearth air outlet, and is provided with air-introduced machine on connecting pipeline therebetween；
Waste-heat recovery device includes multiple drying air ducts.
2. the kiln car formula kiln according to claim 1 with waste-heat recovery device, which is characterized in that multiple drying air ducts
Including a main air duct and several transportation work style roads；
Several transportation work style roads are connected to main air duct, and main air duct is connected to burner hearth air outlet.
3. the kiln car formula kiln according to claim 2 with waste-heat recovery device, which is characterized in that branch air duct is song
Folded structure.
4. the kiln car formula kiln according to claim 2 with waste-heat recovery device, which is characterized in that waste-heat recovery device
It further include drying bed, drying bed includes wavy loading plate.
5. the kiln car formula kiln according to claim 4 with waste-heat recovery device, which is characterized in that drying bed setting exists
In branch air duct.
6. the kiln car formula kiln according to claim 1 with waste-heat recovery device, which is characterized in that
The air inlet of burner hearth is located at the top at furnace outlet end, and the air outlet of burner hearth is located at the lower part of burner hearth input end；
Stratie is provided on the side wall of burner hearth.
7. the kiln car formula kiln according to claim 1 with waste-heat recovery device, which is characterized in that kiln body is by insulating brick
It is made with insulation fibre.
8. the kiln car formula kiln according to claim 1 with waste-heat recovery device, which is characterized in that further include track and
Kiln car in orbit is set, track is biserial prograde orbit, wherein a column track is calcination product kiln car into kiln track, one
It is classified as the carriage-returning track that product kiln car is completed in calcining, is provided with ferry bus into the end of kiln track and carriage-returning track.
9. the kiln car formula kiln according to claim 6 with waste-heat recovery device, which is characterized in that kiln car formula kiln is also
Including multi-channel temperature control system, stratie is electrically connected with multi-channel temperature control system.
10. the kiln car formula kiln according to claim 9 with waste-heat recovery device, which is characterized in that be located at burner hearth not
The stratie in synthermal region is independently arranged, and the stratie being independently arranged is electric with multi-channel temperature control system
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822097818.6U CN209326326U (en) | 2018-12-13 | 2018-12-13 | A kind of kiln car formula kiln with waste-heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822097818.6U CN209326326U (en) | 2018-12-13 | 2018-12-13 | A kind of kiln car formula kiln with waste-heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209326326U true CN209326326U (en) | 2019-08-30 |
Family
ID=67726658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822097818.6U Active CN209326326U (en) | 2018-12-13 | 2018-12-13 | A kind of kiln car formula kiln with waste-heat recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209326326U (en) |
-
2018
- 2018-12-13 CN CN201822097818.6U patent/CN209326326U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 032100 baijinbao Industrial Park, Wenshui Economic Development Zone, Luliang City, Shanxi Province Patentee after: Shanxi BeiDouXing New Material Co.,Ltd. Address before: 032100 No. 7, Xiaoyi Town Industrial Park, Wenshui County, Luliang City, Shanxi Province Patentee before: SHANXI BEIDOUXING NEW MATERIAL Co.,Ltd. |