CN206721115U - Material heater - Google Patents
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- CN206721115U CN206721115U CN201621357185.2U CN201621357185U CN206721115U CN 206721115 U CN206721115 U CN 206721115U CN 201621357185 U CN201621357185 U CN 201621357185U CN 206721115 U CN206721115 U CN 206721115U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
A kind of material heater, including rotary kiln, multiple heat-exchange tubes, air bells cap, high-temperature gas input mechanism, exhaust plenum, exhaust output tube road, rotary kiln has feed end and discharge end, heat-exchange tube is in rotary kiln, air bells cap is external in rotary kiln, the inlet end of heat-exchange tube connects with air bells cap, the outlet side of heat exchange connects with exhaust plenum, exhaust plenum connects with exhaust output tube road, air bells cap connects with high-temperature gas input mechanism, cavity is the passage of material between heat-exchange tube and rotary kiln insulating, heat-exchange tube and material directly contact, heat largely passes through conduction, radiation has been directly transmitted to material, thermal loss is few, simultaneously the waste gas after heat exchange again with pyrolysis caused by coal gas do not contact, institute's producing coal gas cleanliness factor is high, calorific value is high, value is high.
Description
Technical field
The present invention relates to rotary kiln heating device technology area, and in particular to is heated to the material of coal or biomass pyrolytic
Device.
Background technology
In the pyrolytic technique field of coal, the middle low temperature distillation of coal it is commonplace be internal heat type shaft furnace, internal heat type shaft furnace because
The shortcomings that its is simple in construction, cost is low, is widely used, and so its is maximum is that coal gas mixes with flame gas, and calorific value of gas is low,
Except pyrolyzing is with addition to the coal gas of part, if not with limekiln or generating electricity and doing coproduction, most of coal gas only a little day lamp, not only make
Into energy waste, and cause larger environmental pollution problem；External-heat stove is relatively fewer, Publication No.：
CN101985558A, the patent of invention of the resolving device of coal material, a kind of resolving device of coal material is which disclose, wrapped
A closed kiln body with charging aperture and discharging opening is included, flame feed channel heating arrangements, the flame tracheae are set in the kiln body
The coal material formed between road heating arrangements and kiln body inwall promotes decomposition channels, sets to promote with coal material in the kiln body and divides
Solve the coal decomposed gas collecting pipe of passage connection；Publication No.：CN101985565A, coal multi-burner casing separation equipment
Patent of invention, which disclose a kind of coal multi-burner casing separation equipment, it includes one and laterally set
Sealing revolution cellar for storing things body, the revolution cellar for storing things set the burner of solid matter in vivo, and described solid matter burner one end is fired with corresponding solid matter
Gas air inlet pipe is connected with solid matter air intake duct, and gas inlet pipe is set in inner chamber, air intake duct in exocoel, the other end
The sky formed between internal wall is stored in solid matter radiating tube, the solid matter burner, solid matter air intake duct, solid matter radiating tube and revolution
Chamber is that coal material promotes split tunnel, and coal decomposed gas collecting pipe, the solid matter radiating tube and flame gas are set on the body of the revolution cellar for storing things
Manifold trunk connects, and it is outer that the flame gas manifold trunk stretches out revolution cellar for storing things；Publication No.：CN101985566A, coal substance decomposition is with horizontal
The patent of invention of apparatus for rotating, which disclose a kind of coal substance decomposition horizontal revolving equipment, including transverse direction is close
Rotary kiln is sealed, the rotary kiln includes a charging aperture, a discharging opening, and the rotary kiln interior edge kiln body direction sets a combustion
Device is burnt, shape coal-forming material promotes split tunnel between burner and the rotary kiln inwall, and the coal material promotes separation
Passage connects with the charging aperture and discharging opening, and end where the enterprising material mouth of the rotary kiln sets the combustion gas that coal isolates, tar
Gas collecting pipe, combustion gas that the coal is isolated, tar gas collecting pipe promote split tunnel to connect with coal material, the other end and combustion gas
Dedusting liquid body connects.Coal gas caused by pyrolysis of coal is all produced waste gas with heating and effectively carried out point by above three patent
From there is the characteristics of energy-saving and emission-reduction, but these three patents also have a common weakness：Combustion mechanism or heating arrangements are arranged on kiln
In vivo.This weakness is embodied in：Combustion position is difficult to observe, and combustion mechanism is difficult to repair and maintained, and combustion medium is difficult to use coal
Powder, otherwise, easily block hot channel.
The content of the invention
To solve the above problems, the technical scheme is that：Material heater, including rotary kiln, multiple heat exchanges
Pipe, air bells cap, high-temperature gas input mechanism, exhaust plenum, exhaust output tube road, the rotary kiln have feed end and discharging
End, the heat-exchange tube is arranged in rotary kiln, is uniformly distributed circumferentially multiple and neighbouring rotary kiln inwall, in the rotary kiln
Heat-exchange tube support is set on wall, heat-insulation layer, the space between the heat-exchange tube and rotary kiln are set on the rotary kiln wall
For the passage of material, the air bells cap is arranged on rotary kiln shell periphery, the inlet end of the heat-exchange tube and the air bells cap
Connection, the heat-exchange tube are connected with air bells cap connecting portion using elbow, and the elbow is a part for heat-exchange tube, described
The elbow end of heat-exchange tube air inlet and the rotary kiln cage connection, the air bells cap surround a hot blast point with revolution kiln hood
With room, the outlet side of the heat-exchange tube connects with the exhaust plenum, the exhaust plenum and the exhaust output tube
Road connects, and the accumulation chamber of waste gas is arranged on rotary kiln feed end, and the air bells cap connects with the high-temperature gas input mechanism,
Outside between the air bells cap and the revolution kiln hood sets sealing mechanism.
The rotary kiln inwall sets heat-insulation layer, the heat-exchange tube air inlet elbow end and the rotary kiln cage connection portion
The local rotary kiln inwall that position is formed is not provided with heat-insulation layer.
Optimally, the outside of the revolution kiln hood is provided with heat insulation loop, the heat insulation loop and the shell of the rotary kiln
Heat-insulated the air gap is provided with, the air gap communicates with air, plays cooling heat insulation loop and corresponding revolution kiln hood,
The elbow end of the heat-exchange tube is connected through the shell of rotary kiln with the heat insulation loop, the air bells cap and the heat-insulated collar
Into a hot blast distributor chamber, refractory masses are set on the inside of the hot blast distributor chamber that the air bells cap is surrounded with the heat insulation loop.
The material of the heat-exchange tube is heat resisting steel, and optimally, the heat resisting steel is 0Cr25Ni20.
The air bells cap is located at turn around in the middle part of kiln close to discharge end.
The heat-exchange tube is from air bells cap position directly to rotary kiln charging extreme direction arrangement.
Optimally, the heat-exchange tube first can also arrange one section to discharge end, then turn 180 DEG C again to feed end side
To arrangement.
Air bells cap and the high-temperature gas input mechanism can be a set of, or two sets or three sets.
The rotary kiln sets multiple temperature of charge detection means, multiple heat-exchange tube temperature-detecting devices, by multiple
Temperature of charge detect and/or multiple heat-exchange tube temperature-detecting devices feedback, control high-temperature gas input mechanism burning and/
Or the rotating speed of rotary kiln, so as to effectively control the temperature in rotary kiln.
The beneficial effects of the invention are as follows：(1) air bells cap is arranged on rotary kiln shell periphery, and air bells cap plays hot gas
Distributional effects, in rotary kiln rotation process, the distribution heat that each heat-exchange tube for being connected with air bells cap obtains is substantially one
Cause, each heat exchange for exchanging pipe and material also it is corresponding be it is uniform, pyrolysis of coal is in the respective area along rotary kiln axis direction
Section, degree of pyrolysis is consistent, and the inside and outside all sites of heat-exchange tube are two separated systems, so coal gas caused by pyrolysis
It is free from heating caused waste gas, the calorific value of coal gas is relative just high, and value is high, will not be burnt up in vain, so that it may accomplish to save
Can emission reduction；It also avoid Publication No.：CN101985565A, coal multi-burner casing separation equipment etc. in patent,
Because cooling mechanism and heating arrangements are all disposed within rotary kiln, some heating arrangements energy normal heatings, some heating arrangements are caused
Normal heating is unable to, as a result original cooling mechanism is caused because some heating arrangements can not normally add to be preheated to material
Heat, in turn cooling mechanism also to be absorbed heat from material, the effective rate of utilization of equipment will be remarkably decreased, and the flexible of radiating tube differs
Cause, the defects of device interior thermal stress is big, and equipment life is short；Rotary kiln inwall sets heat-insulated, heat-insulation layer, makes the rotary kiln thermal efficiency
Using height, rotary kiln shell temperature is low, securely and reliably.(2) air bells cap is not the direct place for producing heat, and it is by High Temperature Gas
What heat transfer caused by the burning of body input mechanism came, high-temperature gas input mechanism outside kiln, easily observe by the situation of burning
Arrive, burner relatively easily overhauls, maintenance, avoids such as Publication No.：CN101985565A, coal multi-burner
Casing separation equipment etc. patent be not easy to observe combustion position and maintenance, safeguard, the phenomenon that maintenance is difficult that and high-temperature gas inputs
Mechanism can not only use gaseous state, can also use liquid, can also use the combustible mediums such as the coal dust of solid-state.(3) heat-exchange tube and hot blast
Cover connecting portion uses elbow connection function：First, in order to which both can not be directly connected to by elbow, connection can be smoothly realized；
Second, by elbow, high-temperature gas smoothly carries out 90 degree of turning, and 90 degree of elbow easily realizes 90 degree of position phases of difference
Processing and site operation.(4) heat-insulation layer is set it is in order to which the heat in rotary kiln is tried one's best few to kiln shell body heat transferring, reduces heat
Loss, and the local rotary kiln inwall formed at the heat-exchange tube air inlet elbow end and the rotary kiln cage connection position
Heat-insulation layer is not provided with, is in order to which hot blast distributor chamber is to the heat of revolution kiln hood transmission, heat is carried out by material and shell as early as possible
Exchange, the revolution kiln hood at hot blast distributor chamber is cooled, to increase rotary kiln outer cover intensity herein.(5) revolution kiln hood is set
Putting the effect of heat insulation loop is：By setting heat insulation loop, the heat of air bells cap can not be directly passed to kiln body shell, and in heat insulation loop
The kiln body shell at position, the cooling of air or water that heat insulation loop is come with the gap band that kiln body shell is formed is obtained here, is reduced
The temperature of the position kiln body shell, reduce high temperature and the intensity decreases of kiln body shell are acted on.(6) heat-exchange tube 0Cr25Ni20
Heat resisting steel is in order to which heat exchange systems obtain longer service life.(7) air bells cap and revolution kiln hood or the air bells cap and institute
State and refractory material is set on the inside of the hot distributor chamber that heat insulation loop surrounded, be to reduce thermal loss, while protect air bells cap, return
Rotary kiln shell and heat insulation loop.(8) the heat-exchange tube first arranges one section to discharge end, then turns 180 DEG C again to charging extreme direction
It is disposed with two significances：One be advantageous for pyrolysis of coal revolution position, temperature reach it is more consistent, coal fast pyrogenation,
Oil productivity highest Characteristics of The Distribution of Temperature；Second, for the position at position where regulation air bells cap, roller position is avoided.(9) air bells cap
Two or three are set to realize the heat stepwise to rotary kiln, it is sectional temperature-controlled.(10) rotary kiln sets multiple temperature of charge inspections
Device, multiple heat-exchange tube temperature-detecting devices are surveyed, is detected by multiple temperature of charge and/or multiple heat-exchange tube temperature detections
Feedback, the burning of high-temperature gas input mechanism and/or the rotating speed of rotary kiln can be controlled, so as to effectively control rotary kiln in
Temperature, it is allowed to the temperature for meeting technological requirement.
Brief description of the drawings
Fig. 1 is that air bells cap surrounds a hot distributor chamber with revolution kiln hood in embodiment, and heat-exchange tube is from air bells cap position
Directly to the schematic diagram of rotary kiln charging extreme direction arrangement；
Fig. 2 is that air bells cap surrounds a hot distributor chamber with revolution kiln hood in embodiment, and a part of heat-exchange tube is from hot blast
Cover portion position directly first can also arrange one section to rotary kiln charging extreme direction arrangement, another part heat-exchange tube to discharge end, so
Turn again afterwards 180 DEG C to charging extreme direction arrangement schematic diagrames；
Fig. 3 is that air bells cap and the heat insulation loop surround a hot blast distributor chamber in embodiment, and heat-exchange tube is from hot blast cover portion
Position is directly segmented the schematic diagram to preheating in rotary kiln to rotary kiln charging extreme direction arrangement, two air bells caps；
Fig. 4 is that air bells cap and the heat insulation loop surround a hot blast distributor chamber in embodiment, and a part of heat-exchange tube is from warm
Fan housing position directly first can also arrange one section to rotary kiln charging extreme direction arrangement, another part heat-exchange tube to discharge end,
Then turn again 180 DEG C and arrange schematic diagram to charging extreme direction.
Embodiment
Embodiment one：
As shown in figure 1, a kind of material heater, including rotary kiln 1, multiple heat-exchange tubes 2, air bells cap 3, high-temperature gas
Input mechanism 4, exhaust plenum 5, exhaust output tube road 6, the rotary kiln are provided with feed end 7 and discharge end 8, the heat exchange
Pipe 2 is arranged in the body of rotary kiln 1, is uniformly distributed circumferentially multiple, is material between heat-exchange tube 2 and rotary kiln 1 inner chamber
Passage, the air bells cap 3 is arranged on the housing periphery of rotary kiln 1, and the inlet end of the heat-exchange tube 2 connects with the air bells cap 3
Logical, the heat-exchange tube 2 is connected with the connecting portion of air bells cap 3 using elbow, and the elbow is a part for heat-exchange tube 2, institute
State air bells cap 3 and surround a hot blast distributor chamber, elbow end and the revolution of the air inlet of heat-exchange tube 2 with the shell of rotary kiln 1
The cage connection of kiln 1；The outlet side of the heat-exchange tube 2 connects with the exhaust plenum 5, the exhaust plenum 5 with it is described
Exhaust output tube road 6 connects, and the accumulation chamber of waste gas 5 is arranged on the feed end 7 of rotary kiln 1, the air bells cap 3 and the High Temperature Gas
Body input mechanism 4 connects, and the outside between air bells cap 3 and the rotary kiln 1 shell sets sealing mechanism 10, the revolution
The shell inner surface of kiln 1 sets heat-insulation layer 13, and at the air inlet elbow end of heat-exchange tube 2 and the position of the cage connection of rotary kiln 1
The shell inner surface of rotary kiln 1 be not provided with heat-insulation layer.
The material of the heat-exchange tube 2 is heat resisting steel, and optimally, the heat resisting steel is 0Cr25Ni20.
Refractory material is set on the inside of the hot distributor chamber that the air bells cap 3 is surrounded with the shell of rotary kiln 2.
The air bells cap 3 is located at turn around the middle part of kiln 1 close to discharge end 8.
The heat-exchange tube 2 from the position of air bells cap 3 directly to the direction of 1 feed end of rotary kiln 7 arrange,
The air bells cap 3 is one.
The rotary kiln 1 sets multiple temperature of charge detection means 14, passes through the anti-of multiple temperature of charge detection means 14
Feedback, can control the burning of high-temperature gas input mechanism 4, and so as to effectively control the temperature in rotary kiln, being allowed to meet technique will
The temperature asked.
Embodiment two：
As shown in Fig. 2 a kind of material heater, including rotary kiln 1, multiple heat-exchange tubes 2, air bells cap 3, high-temperature gas
Input mechanism 4, exhaust plenum 5, exhaust output tube road 6, the rotary kiln 1 have feed end 7 and discharge end 8, the heat exchange
Pipe 2 is arranged in the body of rotary kiln 1, be uniformly distributed circumferentially it is multiple, between heat-exchange tube 2 and rotary kiln 2 inner chamber for processing
The passage of material, the air bells cap 3 are arranged on the housing periphery of rotary kiln 1, inlet end and the air bells cap of the heat-exchange tube 2
3 connections, the heat-exchange tube 2 are connected with the connecting portion of air bells cap 3 using elbow, and the elbow is a part for heat-exchange tube 2,
The air bells cap 3 and the shell of rotary kiln 1 surround a hot blast distributor chamber, the elbow end of the air inlet of heat-exchange tube 2 with described time
The cage connection of rotary kiln 1；The outlet side of the heat-exchange tube 2 connects with the exhaust plenum 5, the exhaust plenum 5 and institute
State exhaust output tube road 6 to connect, the accumulation chamber of waste gas 5 is arranged on the feed end 7 of rotary kiln 1, the air bells cap 3 and the height
Wet body input mechanism 4 connects, and the outside between air bells cap 3 and the rotary kiln 1 shell sets sealing mechanism 10, described
The shell inner surface of rotary kiln 1 sets heat-insulation layer 13, and the shell inner surface of rotary kiln 1 sets heat-insulation layer 13, and in heat-exchange tube 2
The shell inner surface of rotary kiln 1 at air inlet elbow end and the position of the cage connection of rotary kiln 1 is not provided with heat-insulation layer.
The material of the heat-exchange tube 2 is heat resisting steel, and optimally, the heat resisting steel is 0Cr25Ni20.
Refractory material is set on the inside of the hot distributor chamber that the air bells cap 3 is surrounded with the shell of rotary kiln 1.
A part of heat-exchange tube 2 is directly arranged from the position of air bells cap 3 to the direction of 1 feed end of rotary kiln 7, described another
Part heat-exchange tube 2 first arranges one section to discharge end 8, then turns 180 DEG C and is arranged to the direction of feed end 7 again.
The air bells cap 3 is one.
The rotary kiln 1 sets multiple temperature of charge detection means 14, multiple heat-exchange tube temperature-detecting devices 15, passes through
The feedback of multiple temperature of charge detection means 14 and multiple heat-exchange tube temperature-detecting devices 15, can control high-temperature gas to input
The burning of mechanism and the rotating speed of rotary kiln, so as to effectively control the temperature in rotary kiln, it is allowed to the temperature for meeting technological requirement.
Embodiment three：
As shown in figure 3, material heater, including the input of rotary kiln 1, multiple heat-exchange tubes 2, air bells cap 3, high-temperature gas
Mechanism 4, exhaust plenum 5, exhaust output tube road 6, the rotary kiln have feed end 7 and discharge end 8, and the heat-exchange tube 2 is set
Put in the body of rotary kiln 1, be uniformly distributed circumferentially it is multiple, between heat-exchange tube 2 and rotary kiln 2 inner chamber be material heating
Passage, the air bells cap 3 are arranged on the housing periphery of rotary kiln 1, and the inlet end of the heat-exchange tube 2 connects with the air bells cap 3,
The heat-exchange tube 2 is connected with the connecting portion of air bells cap 3 using elbow, the elbow be heat-exchange tube 2 a part, the heat
The outlet side for exchanging pipe 2 connects with the exhaust plenum 5, and the exhaust plenum 5 connects with the exhaust output tube road 6,
The accumulation chamber of waste gas 5 is arranged on the feed end 7 of rotary kiln 1, and the air bells cap 3 connects with the high-temperature gas input mechanism 4, institute
State the outside between air bells cap 3 and the shell of the rotary kiln 1 and sealing mechanism 10 is set, the shell inner surface of rotary kiln 1 is set
Heat-insulation layer 13.
The outside of the shell of rotary kiln 1 is provided with heat insulation loop 11, the heat insulation loop 11 and the shell of the body of rotary kiln 1
Heat-insulated the air gap 12 is provided with, the air gap 12 communicates with air, plays cooling heat insulation loop 11 and corresponding revolution
The body case of kiln 1, the elbow end of the heat-exchange tube 2 are connected through the shell of rotary kiln 1 with the heat insulation loop 11, the air bells cap
3 surround a hot blast distributor chamber with the heat insulation loop 11.
The material of the heat-exchange tube 2 is heat resisting steel, and optimally, the heat resisting steel is 0Cr25Ni20.
Refractory material is set on the inside of the hot distributor chamber that the air bells cap 3 is surrounded with the heat insulation loop 11.
The heat-exchange tube 2 is directly arranged from the position of air bells cap 3 to the direction of 1 feed end of rotary kiln 7.
The air bells cap 3 is two, is segmented to rotary kiln heat supply.
The rotary kiln 1 sets multiple temperature of charge detection means 14, multiple heat-exchange tube temperature-detecting devices 15, passes through
The feedback of multiple temperature of charge detection means 14 or multiple heat-exchange tube temperature-detecting devices 15, can control high-temperature gas to input
The burning of mechanism or the rotating speed of rotary kiln, so as to effectively control the temperature in rotary kiln, it is allowed to the temperature for meeting technological requirement.
Example IV：
As shown in figure 4, material heater, including the input of rotary kiln 1, multiple heat-exchange tubes 2, air bells cap 3, high-temperature gas
Mechanism 4, exhaust plenum 5, exhaust output tube road 6, the rotary kiln have feed end 7 and discharge end 8, and the heat-exchange tube 2 is set
Put in the body of rotary kiln 1, be uniformly distributed circumferentially multiple, leading to for material between heat-exchange tube 2 and rotary kiln 2 inner chamber
Road, the air bells cap 3 are arranged on the housing periphery of rotary kiln 1, and the inlet end of the heat-exchange tube 2 connects with the air bells cap 3, institute
State heat-exchange tube 2 to be connected using elbow with the connecting portion of air bells cap 3, the elbow is a part for heat-exchange tube 2, and the heat is handed over
The outlet side for changing pipe 2 connects with the exhaust plenum 5, and the exhaust plenum 5 connects with the exhaust output tube road 6, institute
State accumulation chamber of waste gas 5 and be arranged on the feed end 7 of rotary kiln 1, the air bells cap 3 connects with the high-temperature gas input mechanism 4, described
Outside between air bells cap 3 and the shell of the rotary kiln 1 sets sealing mechanism 10, and the shell inner surface of rotary kiln 1, which is set, protects
Warm layer 13.
The outside of the shell of rotary kiln 1 is provided with heat insulation loop 11, the heat insulation loop 11 and the shell of the body of rotary kiln 1
Heat-insulated the air gap 12 is provided with, the air gap 12 communicates with air, plays cooling heat insulation loop 11 and corresponding revolution
The body case of kiln 1, the elbow end of the heat-exchange tube 2 are connected through the shell of rotary kiln 1 with the heat insulation loop 11, the air bells cap
3 surround a hot blast distributor chamber with the heat insulation loop 11.
The material of the heat-exchange tube 2 is heat resisting steel, and optimally, the heat resisting steel is 0Cr25Ni20.
Refractory material is set on the inside of the hot distributor chamber that the air bells cap 3 is surrounded with the heat insulation loop 11.
A part of heat-exchange tube 2 is directly arranged from the position of air bells cap 3 to the direction of 1 feed end of rotary kiln 7, described another
Part heat-exchange tube 2 first arranges one section to discharge end 8, then turns 180 DEG C and is arranged to the direction of feed end 7 again.
The rotary kiln sets multiple temperature of charge detection means 14, multiple heat-exchange tube temperature-detecting devices 15, passes through
The feedback of multiple temperature of charge detection means and multiple heat-exchange tube temperature-detecting devices, can control high-temperature gas input mechanism
Burning and rotary kiln rotating speed, so as to effectively control rotary kiln in temperature, be allowed to the temperature for meeting technological requirement.
Several embodiments of the present invention are the foregoing is only, the present invention are not limited with this, the skill to being familiar with this area
Art personnel, can be as needed, and a variety of changes, replacement and modification are done to the heater of the present invention.All spirit in the present invention
Within scope and principle, the covering scope of any modification, equivalent substitution and improvements done etc., all category the claims in the present invention.
Claims (14)
1. a kind of material heater, including rotary kiln, multiple heat-exchange tubes, air bells cap, high-temperature gas input mechanism, exhaust gas centralized
Air chamber, exhaust output tube road, the rotary kiln have feed end and discharge end, it is characterised in that：The heat-exchange tube is arranged on back
In rotary kiln, multiple and neighbouring rotary kiln inwall is uniformly distributed circumferentially, heat-exchange tube support, institute are set on the rotary kiln inwall
State and heat-insulation layer be set on rotary kiln wall, the space between the heat-exchange tube and rotary kiln be material passage, the air bells cap
Rotary kiln shell periphery is arranged on, the inlet end of the heat-exchange tube connects with the air bells cap, the heat-exchange tube and hot blast
Cover connecting portion using elbow connect, the elbow be heat-exchange tube a part, the elbow end of the heat-exchange tube air inlet with
The rotary kiln cage connection, the air bells cap surround a hot blast distributor chamber with revolution kiln hood, and the heat-exchange tube goes out
Gas end connects with the exhaust plenum, and the exhaust plenum connects with the exhaust output tube road, the accumulation chamber of waste gas
Rotary kiln feed end is arranged on, the air bells cap connects with the high-temperature gas input mechanism, the air bells cap and the revolution
Outside between kiln hood sets sealing mechanism.
2. material heater as claimed in claim 1, it is characterised in that：The rotary kiln inwall sets heat-insulation layer, described
Heat-exchange tube air inlet elbow end is not provided with heat-insulation layer with the local rotary kiln inwall that the rotary kiln cage connection position is formed.
3. material heater as claimed in claim 1, it is characterised in that：The outside of the revolution kiln hood is provided with heat-insulated
Ring, the heat insulation loop and the shell of the rotary kiln are provided with heat-insulated the air gap, and the air gap communicates with air, rise
To cooling heat insulation loop and corresponding revolution kiln hood, the elbow end of the heat-exchange tube run through the shell of rotary kiln with it is described heat-insulated
Ring connects, and the air bells cap surrounds a hot blast distributor chamber with the heat insulation loop, and the air bells cap is surrounded with the heat insulation loop
Hot blast distributor chamber on the inside of set refractory masses.
4. material heater as claimed in claim 1, it is characterised in that：The material of the heat-exchange tube is heat resisting steel.
5. material heater as claimed in claim 4, it is characterised in that：The heat resisting steel is 0Cr25Ni20.
6. the material heater as described in claim 1 or 2 or 3, it is characterised in that：The air bells cap is located at turn around in the middle part of kiln
Close to discharge end.
7. the material heater as described in claim 1 or 2 or 3, it is characterised in that：The heat-exchange tube is from air bells cap position
Directly to rotary kiln charging extreme direction arrangement.
8. the material heater as described in claim 1 or 2 or 3, it is characterised in that：The heat-exchange tube is first to discharge end cloth
One section is put, then turns 180 DEG C and is arranged to charging extreme direction again.
9. the material heater as described in claim 1 or 2 or 3, it is characterised in that：Air bells cap and the high-temperature gas input
Mechanism is a set of, or two sets or three sets.
10. the material heater as described in claim 1 ~ 5 any one, it is characterised in that：The rotary kiln sets multiple
Temperature of charge detection means, multiple heat-exchange tube temperature-detecting devices, are detected and/or multiple heat exchanges by multiple temperature of charge
The feedback of pipe temperature-detecting device, the burning of high-temperature gas input mechanism and/or the rotating speed of rotary kiln are controlled, so as to effectively control
Temperature in rotary kiln.
11. material heater as claimed in claim 6, it is characterised in that：The rotary kiln sets multiple temperature of charge inspections
Device, multiple heat-exchange tube temperature-detecting devices are surveyed, is detected by multiple temperature of charge and/or multiple heat-exchange tube temperature detections
The feedback of device, the burning of high-temperature gas input mechanism and/or the rotating speed of rotary kiln are controlled, so as to effectively control in rotary kiln
Temperature.
12. material heater as claimed in claim 7, it is characterised in that：The rotary kiln sets multiple temperature of charge inspections
Device, multiple heat-exchange tube temperature-detecting devices are surveyed, is detected by multiple temperature of charge and/or multiple heat-exchange tube temperature detections
The feedback of device, the burning of high-temperature gas input mechanism and/or the rotating speed of rotary kiln are controlled, so as to effectively control in rotary kiln
Temperature.
13. material heater as claimed in claim 8, it is characterised in that：The rotary kiln sets multiple temperature of charge inspections
Device, multiple heat-exchange tube temperature-detecting devices are surveyed, is detected by multiple temperature of charge and/or multiple heat-exchange tube temperature detections
The feedback of device, the burning of high-temperature gas input mechanism and/or the rotating speed of rotary kiln are controlled, so as to effectively control in rotary kiln
Temperature.
14. material heater as claimed in claim 9, it is characterised in that：The rotary kiln sets multiple temperature of charge inspections
Device, multiple heat-exchange tube temperature-detecting devices are surveyed, is detected by multiple temperature of charge and/or multiple heat-exchange tube temperature detections
The feedback of device, the burning of high-temperature gas input mechanism and/or the rotating speed of rotary kiln are controlled, so as to effectively control in rotary kiln
Temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621357185.2U CN206721115U (en) | 2016-12-12 | 2016-12-12 | Material heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621357185.2U CN206721115U (en) | 2016-12-12 | 2016-12-12 | Material heater |
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| Publication Number | Publication Date |
|---|---|
| CN206721115U true CN206721115U (en) | 2017-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621357185.2U Active CN206721115U (en) | 2016-12-12 | 2016-12-12 | Material heater |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900735A (en) * | 2019-03-26 | 2019-06-18 | 东北大学 | A kind of gas-heating apparatus of optimization schreyerite soft melting dropping test |
| CN110631357A (en) * | 2019-10-10 | 2019-12-31 | 山西智容新能源科技有限公司 | High-efficiency external heating type rotary kiln |
| CN110645795A (en) * | 2019-10-10 | 2020-01-03 | 山西智容新能源科技有限公司 | High-efficient material heating device |
-
2016
- 2016-12-12 CN CN201621357185.2U patent/CN206721115U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109900735A (en) * | 2019-03-26 | 2019-06-18 | 东北大学 | A kind of gas-heating apparatus of optimization schreyerite soft melting dropping test |
| CN109900735B (en) * | 2019-03-26 | 2020-08-28 | 东北大学 | Optimize gas heating device of schreyerite reflow dripping test |
| CN110631357A (en) * | 2019-10-10 | 2019-12-31 | 山西智容新能源科技有限公司 | High-efficiency external heating type rotary kiln |
| CN110645795A (en) * | 2019-10-10 | 2020-01-03 | 山西智容新能源科技有限公司 | High-efficient material heating device |
| CN110631357B (en) * | 2019-10-10 | 2023-12-26 | 白太宽 | High-efficiency external heating rotary kiln |
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