CN206556027U - A kind of castoff burning system - Google Patents
A kind of castoff burning system Download PDFInfo
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- CN206556027U CN206556027U CN201720030239.2U CN201720030239U CN206556027U CN 206556027 U CN206556027 U CN 206556027U CN 201720030239 U CN201720030239 U CN 201720030239U CN 206556027 U CN206556027 U CN 206556027U
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- rotary kiln
- firing chamber
- dual firing
- gas
- burning
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Abstract
The utility model discloses a kind of castoff burning system, including：For by the rotary kiln of the first burning disposal of original discarded object, the rotary kiln to have first charging aperture and the first discharging opening；Secondary waste thing for rotary kiln to be exported carries out the dual firing chamber of secondary burning processing, and the second charging aperture is connected with first discharging opening by pipeline；For carbonaceous refuse to be carried out into the gas generator that burning processing produces imflammable gas, the gas generator is connected with the rotary kiln and the dual firing chamber respectively, and the imflammable gas of generation is delivered into rotary kiln and dual firing chamber respectively.Castoff burning system of the present utility model, carbonaceous refuse is carried out by burning processing by gas generator and produces imflammable gas, and the imflammable gas is passed through rotary kiln and dual firing chamber, so as to substitute natural gas to carry out the processing of castoff burning, to reach the use for saving natural gas, cost-effective purpose.
Description
Technical field
The utility model is related to the processing technology field of discarded object, more particularly to a kind of castoff burning system.
Background technology
With expanding economy, the discarded object in industrial production also drastically increases, such as solid waste in bulk and sludge class waste, liquid
State hazardous waste, hypertoxic class solid-state or barreled waste etc..These discarded objects can not only be polluted to environment, but also can be existed
The harm such as inflammable and explosive, poisonous, corrosion, so needing to carry out those discarded objects appropriate processing.It is domestic generally to select revolution
Kiln come to trade waste carry out burning disposal, i.e., by by discarded object in rotary kiln, with the natural gas being passed through in rotary kiln
Mixed combustion is carried out, to realize effective processing to discarded object.
When handling substantial amounts of trade waste, substantial amounts of natural gas is correspondingly needed, this can undoubtedly increase processing cost.
How the use of natural gas is saved, it is cost-effective, the problem of be current urgent need to resolve.
Utility model content
In view of this, the utility model proposes a kind of castoff burning system, to solve technology present in prior art
Defect.
To reach above-mentioned purpose, what the technical scheme of the utility model embodiment was realized in：
The utility model embodiment discloses a kind of castoff burning system, including：
For by the rotary kiln of the first burning disposal of original discarded object, to there is the rotary kiln first charging aperture and first to go out
Material mouth；
Secondary waste thing for rotary kiln to be exported carries out the dual firing chamber of secondary burning processing, and the dual firing chamber has
One second charging aperture being connected with first discharging opening by pipeline；
For carbonaceous refuse to be carried out into the gas generator that burning processing produces imflammable gas, the gas generator
It is connected respectively with the rotary kiln and the dual firing chamber, and the imflammable gas of generation is delivered to rotary kiln and two combustions respectively
Room.
Alternatively, the rotary kiln is the hollow circular cylinder structure of lateral arrangement, and the height of the first charging aperture is higher than
The height of first discharging opening, and the axis and horizontal direction formation angle of rotary kiln.
Alternatively, the axis and the angle of horizontal direction are 5-10 degree.
Alternatively, the dual firing chamber is the hollow circular cylinder structure being longitudinally arranged, and its axis is vertical with horizontal direction,
Also, the second charging aperture is located at the week side of boss of the dual firing chamber.
Alternatively, exhaust outlet is additionally provided with the top of the dual firing chamber, and pressure of the exhaust outlet in dual firing chamber is more than
Opened during threshold value.
Alternatively, the rotary kiln is provided with the first air inlet of combustion-supporting air feed；The dual firing chamber is provided with combustion-supporting air feed
The second air inlet.
Alternatively, the ignition temperature of the rotary kiln is 1000~1150 DEG C, and burning time is 55-60 minutes.
The ignition temperature of the dual firing chamber is 1100~1200 DEG C, and burning time is 2~3 seconds.
Alternatively, the carbonaceous refuse is selected from kitchen castoff, waste and old clothing, agriculture and forestry organic waste material, industrial solid and discarded
Thing, or its combination；
The imflammable gas includes hydrogen, methane and carbon monoxide.
Castoff burning system of the present utility model, carries out burning processing by carbonaceous refuse by gas generator and produces
Imflammable gas, and the imflammable gas is passed through rotary kiln and dual firing chamber, so as to substitute natural gas to carry out castoff burning
Processing, with reach save natural gas use, cost-effective purpose.
Brief description of the drawings
Fig. 1 is the structural representation of the castoff burning system of the utility model embodiment；
Fig. 2 is the generation process chart of the imflammable gas of the utility model embodiment.
Reference
10-rotary kiln；11-first charging aperture；12-the first discharging opening；13-the first air inlet；
20-dual firing chamber；21-second charging aperture；22-the second discharging opening；23-the second air inlet；
24-exhaust outlet；25-waste outlet；
30-gas generator.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below by way of specific embodiment
And referring to accompanying drawing, the utility model is described in detail.
In order to need substantial amounts of natural gas when solving and burning trade waste in the prior art, so as to increase processing cost
Technical problem, the utility model embodiment discloses a kind of castoff burning system, to save the use of natural gas, saves into
This.
In order to realize this purpose, referring to Fig. 1, castoff burning system mainly includes disclosed in the utility model embodiment：
Rotary kiln 10, dual firing chamber 20 and gas generator 30.
Wherein, rotary kiln 10 is used for the first burning disposal of original discarded object.And rotary kiln 10 has first charging aperture 11
With the first discharging opening 12.
Alternatively, rotary kiln 10 is the hollow circular cylinder structure of lateral arrangement, and when burning, rotary kiln 10 is around its axle
Line constantly rotates.The inner chamber of cylinder can avoid the stop of its interior discarded object.The height of its first charging aperture 11 is higher than institute
State the height of the first discharging opening 12, and the axis and horizontal direction formation angle of rotary kiln 10.By making rotary kiln 10 tilt cloth
Put, so as to be conducive to original discarded object moving ahead in rotary kiln 10.
Alternatively, the angular range of axis and horizontal direction is 5-10 degree, is advisable with 8-10 degree.
In addition, the side of first charging aperture 11 of rotary kiln 10 is additionally provided with the first air inlet 13 of combustion-supporting air feed, so as to promote
Abundant burning of the original discarded object in rotary kiln 10.
During charging, according to the species of original discarded object, charging has three kinds of modes：
Grab bucket feeding --- for solid-state castoff in bulk and sludge class discarded object, the material of feeding incinerator is picked up by grab bucket
In bucket, then sent into by feed mechanism in rotary kiln 10；
Feeding --- for liquid discarded object, the mode being atomized using compressed air is sprayed into rotary kiln 10 for pumping；
Elevator feeding --- for hypertoxic class solid-state or barreled discarded object, the vertical chute of incinerator is sent into by elevator
In, then sent into by feed mechanism in rotary kiln 10.
Original discarded object enters after rotary kiln 10, and ignition temperature is 1000~1150 DEG C, and burning time is 55-60 minutes,
Thoroughly burn and form secondary waste thing.The secondary waste thing is main to be made up of flue gas and melting residue, and is conveyed via pipeline
To dual firing chamber 20, to carry out secondary burning processing.
The secondary waste thing that dual firing chamber 20 is used to export in rotary kiln carries out secondary burning processing.Dual firing chamber 20 has the
Two charging apertures 21 and the second discharging opening 22, and second charging aperture 21 is connected with the first discharging opening 12 by pipeline.
Alternatively, in the present embodiment, it is the hollow circular cylinder structure being longitudinally arranged, cylindrical inner chamber to set dual firing chamber 20
The stop of its interior residue can be avoided.Its axis is vertical with horizontal direction, and the equal position of 21 and second discharging opening of second charging aperture 22
In the week side of boss of dual firing chamber 20.
Alternatively, the top of dual firing chamber 20 is additionally provided with exhaust outlet 24, and the pressure of the exhaust outlet 24 in dual firing chamber 20
Opened during more than threshold value, air pressure is too high to avoid in dual firing chamber 20, play a part of protecting dual firing chamber 20.
In dual firing chamber 20, theoretical according to burning, the principle that flue gas is fully burned is 3T+1E principles, that is, is ensured enough
Temperature (should be that, more than 1100 DEG C, the ignition temperature in the present embodiment in dual firing chamber 20 is 1100~1200 DEG C), enough combustions
Burning time (dangerous waste incinerator：It is 2~3 seconds to be more than the burning time in 2s, the present embodiment in dual firing chamber 20 at 1100 DEG C),
Enough disturbance (dual firing chamber 20 is provided with the second air inlet 23 of combustion-supporting air feed, allow air-flow formation swirling flow), enough excess oxygens
Gas.Wherein, under the conditions of this is four, a small amount of gas not burnt completely can be obtained in dual firing chamber 20 in the body of rotary kiln 10
To abundant burning, and improve the temperature of dual firing chamber 20.Temperature in dual firing chamber 20 maintains 1100 DEG C~1200 DEG C all the time.Root
Calculate, flue gas residence time in dual firing chamber 20 will be greater than 2s, on this condition, dioxin in flue gas and other have according to design
More than the 99.99% of evil composition will be broken off.
Placed below dual firing chamber 20 and water seal scraper slagging machine is provided with tank, tank.Because waste burns through high temperature
The residue that melting is formed after burning is discharged from the waste outlet 25 of dual firing chamber 20, in water seal scraper slagging machine by water quick cooling after,
Water quenching is discharged into half nontoxic, harmless vitreous substance through slag remover.Because half vitreous substance forms vitreum after water quenching,
Harmful substance remaining after burning is all wrapped in vitreum, thus discharge residue may be considered it is nontoxic.
In addition, the second discharging opening 22 of dual firing chamber 20 is also connected with other equipment, such as chilling tower and waste heat boiler.Chilling tower
Effect the flue gas passed through from the second discharging opening 22 can rapidly be cooled down, and waste heat boiler then can utilize flue gas in heat
And be converted to other purposes, such as heat supply in winter.Due to dual firing chamber 20 follow-up equipment, not the utility model embodiment changes
Enter a place, how the present embodiment substitutes the natural gas of prior art to realize burning if being only focused on, so for dual firing chamber 20
The structure subsequently connected, the present embodiment just not reinflated narration.
Gas generator 30 is used to carbonaceous refuse carrying out burning processing generation imflammable gas.30 points of gas generator
It is not connected with rotary kiln 10 and dual firing chamber 20, and the imflammable gas of generation is delivered to rotary kiln 10 and dual firing chamber 20 respectively,
So that the burning in rotary kiln 10 and dual firing chamber 20 is used.
Alternatively, carbonaceous refuse be selected from kitchen castoff, waste and old clothing, agriculture and forestry organic waste material and industrial solid castoff or
Combinations thereof；Imflammable gas includes hydrogen, methane and carbon monoxide.
Fig. 2 is to illustrate the generation process chart according to imflammable gas of the present utility model.Comprise the following steps：
101st, after carbonaceous refuse is crushed, mix in proportion.
In one embodiment, it is useless comprising agriculture and forestry organic waste material and industrial solid according to carbonaceous refuse of the present utility model
Gurry.The ratio that the agriculture and forestry organic waste material accounts for the carbonaceous refuse total amount is not higher than 20%, and the industrial solid is discarded
The ratio that thing accounts for the carbonaceous refuse total amount is not higher than 70%.In another embodiment, the agriculture and forestry organic waste material accounts for institute
The ratio for stating carbonaceous refuse total amount is not higher than 30%, and the industrial solid castoff accounts for the carbonaceous refuse total amount
Ratio is not higher than 60%.In the proportion, the coke quality of generation is good, and combustion gas utilization rate is high.And outside the proportion,
The β resins of generation are excessive, so as to cause to waste.
In one embodiment, industrial solid castoff can be included according to carbonaceous refuse of the present utility model.It is described
The ratio that industrial solid castoff accounts for the carbonaceous refuse total amount is not higher than 90%.In the proportion, the coke of generation
Quality is good, and combustion gas utilization rate is high.And outside the proportion, the β resins of generation are excessive, so as to cause to waste.
102nd, by the carbonaceous refuse mixed grind mixed in proportion and solid block is made.
The step of by mixed grind, toughness can be increased；Increase coal in coke shove charge and make intensity firm by ramming, increase coal intensity
By force, batch increases, and the coke quality of generation is good；Add the organic carbon amounts of coke；During refining coke, making firm by ramming produces coke oven
Tolerance increase.And the solid block of shaping that the material after mixed grind is made, can be burnt for adding smelting system as industrial coke additive
The β resins of carbon feedstock；The solid block can enter gas generator 30, and the flammable coal gas of generation can be used for dangerous waste incineration kiln institute
With combustion gas, incinerating kiln combustion gas usage amount is saved.In one embodiment, the solid block is preferably spherical, can using the shape
Improve useful load.
103rd, the solid block of shaping is added in gas generator 30, produces imflammable gas and carbon slag.Wherein, flammable gas
Body can be used in danger wastes CIU.
Cracking process and oxygen consumption method aerogenesis can be used in the gas generator 30.
Wherein, the reaction of cracking process with following formula 1 by being represented：
C+H2O---CO+H2 formulas 1
Oxygen consumption method is reacted by being represented with following formula 2：
C+2H2----CH4 (under hot environment) formula 2
The gas produced in the gas generator 30 is imflammable gas.
The imflammable gas may include hydrogen, methane and carbon monoxide.
The solid produced in the gas generator 30 may include carbon slag and grey carbon.
Table 1 below shows the product and its content of cracking process and oxygen consumption method in gas generator 30.
Table 1
Method of the present utility model can further comprise：Produced in the gas generator 30 after gas, by the gas
Body is used for dangerous waste incineration kiln.Hazardous waste refers to be included in National Hazard waste register or useless according to the danger of national regulation
The waste with hazard property that thing judging standard and discrimination method are assert.Dangerous waste incineration kiln is the dress for handling hazardous waste
Put.Fig. 2 is the schematic diagram of danger wastes CIU.Combustion gas used in current dangerous waste incineration kiln is natural gas, using this
The fuel gas that the method for utility model is produced can replace natural gas as the fuel of dangerous waste incineration kiln, and saving is produced into
Originally gas production, is reduced.
In an embodiment of the present utility model, it is preferable to which the carbon slag produced in gas generator 30 is used as into combustion
Material, such as industrial fuel effectively utilizes and economized on resources, environmental protection.
Below by taking cracking process as an example, 1~embodiment of embodiment 5 is enumerated, the composition of the imflammable gas of generation is said
It is bright.
Embodiment 1
500kg agriculture and forestry organic waste material, industrial solid castoff and swill are crushed to 5mm with 800 type pulverizers respectively, and
Three kinds of discarded objects after crushing are pressed 2:7:1 ratio mixing, then with mixed grind device mixed grind, and is made spherical solid block.So
Afterwards, spherical solid block is added in gas generator 30.Reacted in gas generator 30 by cracking process, reaction condition：
1140 DEG C of temperature, produces imflammable gas and solid.
After the completion of reaction, the species and content of the imflammable gas produced and solid are detected, is as a result shown in table 2.
Table 2
Embodiment 2
500kg industrial solid castoff and food waste are not crushed to 5mm with 800 type pulverizers, and by after crushing
Two kinds of discarded objects press 9:1 ratio mixing, then with mixed grind device mixed grind, and is made spherical solid block.Then, will be spherical solid
Block is added in gas generator 30.Reacted in gas generator 30 by cracking process, reaction condition：1100 DEG C of temperature,
Produce imflammable gas and solid.
After the completion of reaction, the species and content of the imflammable gas produced and solid are detected, is as a result shown in table 3.
Table 3
Embodiment 3
500kg agriculture and forestry organic waste material, industrial solid castoff and excrement are crushed to 5mm with 800 type pulverizers respectively, and
Three kinds of discarded objects after crushing are pressed 3:6:1 ratio is mixed, and then with mixed grind device mixed grind, and spherical solid block is made.Then,
Spherical solid block is added in gas generator 30.Reacted in gas generator 30 by cracking process, reaction condition：Temperature
1165 DEG C, produce imflammable gas and solid.
After the completion of reaction, the species and content of the imflammable gas produced and solid are detected, is as a result shown in table 4.
Table 4
Embodiment 4
500kg agriculture and forestry organic waste material, industrial solid castoff and waste and old clothing are crushed to 800 type pulverizers respectively
5mm, and three kinds of discarded objects after crushing are pressed 2:6:2 ratio mixing, then with mixed grind device mixed grind, and is made spherical consolidate
Block.Then, spherical solid block is added in gas generator 30.Reacted, reacted by cracking process in gas generator 30
Condition：More than 1050 DEG C of temperature, produces imflammable gas and solid.
After the completion of reaction, the species and content of the imflammable gas produced and solid are detected, is as a result shown in table 5.
Table 5
Embodiment 5
500kg agriculture and forestry organic waste material, industrial solid castoff and waste plastics are crushed to 5mm with 800 type pulverizers respectively,
And two kinds of discarded objects after crushing are pressed 3:5:2 ratio mixing, then with mixed grind device mixed grind, and is made spherical solid block.
Then, spherical solid block is added in gas generator 30.Reacted in gas generator 30 by cracking process, react bar
Part：1170 DEG C of temperature, produces imflammable gas and solid.
After the completion of reaction, the species and content of the imflammable gas produced and solid are detected, is as a result shown in table 6.
Table 6
Castoff burning system of the present utility model, burning processing production is carried out by gas generator 30 by carbonaceous refuse
Raw imflammable gas, and the imflammable gas is passed through rotary kiln 10 and dual firing chamber 20, so as to substitute natural gas to be discarded
The processing that thing is burned, to reach the use for saving natural gas, cost-effective purpose.
, can be useless in processing industrial production also, the present embodiment generates imflammable gas using carbonaceous refuse
While gurry, carbonaceous refuse has also been handled, the utilization of waste, environmental protection is furthermore achieved that.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements done etc. should be included in the utility model
Within the scope of protection.
Claims (8)
1. a kind of castoff burning system, it is characterised in that including：
For by the rotary kiln of the first burning disposal of original discarded object, the rotary kiln to have first charging aperture and the first discharging
Mouthful；
Secondary waste thing for rotary kiln to be exported carries out the dual firing chamber of secondary burning processing, and the dual firing chamber have one with
The second charging aperture that first discharging opening is connected by pipeline；
For carbonaceous refuse to be carried out into the gas generator that burning processing produces imflammable gas, the gas generator difference
It is connected with the rotary kiln and the dual firing chamber, and the imflammable gas of generation is delivered to rotary kiln and dual firing chamber respectively.
2. castoff burning system according to claim 1, it is characterised in that
The rotary kiln is the hollow circular cylinder structure of lateral arrangement, and the height of the first charging aperture is higher than the described first discharging
The height of mouth, and the axis and horizontal direction formation angle of rotary kiln.
3. castoff burning system according to claim 2, it is characterised in that the axis and the angle of horizontal direction are
5-10 degree.
4. castoff burning system according to claim 1, it is characterised in that
The dual firing chamber is the hollow circular cylinder structure being longitudinally arranged, and its axis is vertical with horizontal direction,
Also, the second charging aperture is located at the week side of boss of the dual firing chamber.
5. castoff burning system according to claim 4, it is characterised in that the row of being additionally provided with the top of the dual firing chamber
Gas port, and pressure of the exhaust outlet in dual firing chamber be more than threshold value when open.
6. castoff burning system according to claim 1, it is characterised in that
The rotary kiln is provided with the first air inlet of combustion-supporting air feed；
The dual firing chamber is provided with the second air inlet of combustion-supporting air feed.
7. castoff burning system according to claim 1, it is characterised in that
The ignition temperature of the rotary kiln is 1000~1150 DEG C, and burning time is 55-60 minutes；
The ignition temperature of the dual firing chamber is 1100~1200 DEG C, and burning time is 2~3 seconds.
8. castoff burning system according to claim 1, it is characterised in that the carbonaceous refuse is discarded selected from kitchen
Thing, waste and old clothing, agriculture and forestry organic waste material, industrial solid castoff, or its combination；
The imflammable gas includes hydrogen, methane and carbon monoxide.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720030239.2U CN206556027U (en) | 2017-01-11 | 2017-01-11 | A kind of castoff burning system |
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| CN201720030239.2U CN206556027U (en) | 2017-01-11 | 2017-01-11 | A kind of castoff burning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594751A (en) * | 2017-01-11 | 2017-04-26 | 北京生态岛科技有限责任公司 | Waste incineration system |
-
2017
- 2017-01-11 CN CN201720030239.2U patent/CN206556027U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106594751A (en) * | 2017-01-11 | 2017-04-26 | 北京生态岛科技有限责任公司 | Waste incineration system |
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