CN105985789B - Outer hot sinking fine coal low-temperature cracking process and kiln system - Google Patents
Outer hot sinking fine coal low-temperature cracking process and kiln system Download PDFInfo
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- CN105985789B CN105985789B CN201510075440.8A CN201510075440A CN105985789B CN 105985789 B CN105985789 B CN 105985789B CN 201510075440 A CN201510075440 A CN 201510075440A CN 105985789 B CN105985789 B CN 105985789B
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Abstract
The present invention relates to a kind of outer hot sinking fine coal low-temperature cracking process and kiln systems, to solve the problems, such as that existing furnace heat efficiency is low, receive the vertical chamber of hot destructive distillation among sinking watching in it from coal dust, be spaced the vertical combustor to conduct heat to carbonization chamber and vertical regenerative chamber, to carbonization chamber coal supply powder feeding system, carry out the kiln that the water-saving cooling system of cooling coal dust forms to the coal dust that carbonization chamber is discharged and realize；The coal bunker inlet of feeding system end configuration connects downwards the carbonization chamber of periphery balanced configuration combustion chamber and regenerative chamber, the combustion chamber upper end of carbonization chamber periphery balanced configuration is by passing through carbonization chamber or being connected around the heating channel of carbonization chamber, the carbonization chamber lower end that raw coke oven gas collection system is coupled in top declines chute to the water-saving cooling system of lower link coal dust by multilayer, and regenerative chamber lower end passes through the gas inlet of commutator connection two sides and air intlet and the waste gas outlet of lower end；Coal dust is heated to 550 DEG C to 600 DEG C progress low temperature distillation using external-heat in carbonization chamber, realizes the destructive distillation of vertical subsidence formula by continuous pulp discharge and continuous charging.With the thermal efficiency height, high income, be conducive to energy-saving and emission-reduction the advantages of.
Description
Technical field
The present invention relates to a kind of fine coal method for destructive distillation, more particularly to a kind of outer hot sinking fine coal low-temperature cracking process and kiln
Furnace system.
Background technique
The problem of that there are heat exchanger effectiveness is low for existing fine coal method for destructive distillation, and yield is low, is unfavorable for energy-saving and emission-reduction.
Summary of the invention
Present invention aims to overcome that the drawbacks described above of the prior art, provides a kind of thermal efficiency height, high income is conducive to energy conservation
The outer hot sinking fine coal low-temperature cracking process of emission reduction, the object of the invention also reside in the kiln system provided for realizing the method
System.
To achieve the above object, outside the present invention hot sinking fine coal low-temperature cracking process by coal dust in it among sinking watching
Receive the vertical chamber of hot destructive distillation, be spaced the vertical combustor to conduct heat to carbonization chamber and vertical regenerative chamber, to carbonization chamber coal supply
The feeding system of powder, the kiln that the water-saving cooling system composition of cooling coal dust is carried out to the coal dust of carbonization chamber discharge are realized；Its
The coal bunker inlet of middle feeding system end configuration connects downwards the carbonization chamber of periphery balanced configuration combustion chamber and regenerative chamber, charing
The combustion chamber upper end of outdoor week balanced configuration is by passing through carbonization chamber or being connected around the heating channel of carbonization chamber, top mating
The carbonization chamber lower end of raw coke oven gas collection system declines chute to the water-saving cooling system of lower link coal dust, regenerative chamber lower end by multilayer
Pass through the gas inlet of commutator connection two sides and air intlet and the waste gas outlet of lower end；Commutator is organized before carbonization chamber opens coal
Gas import and air intlet and close waste gas outlet, after carbonization chamber is symmetrical therewith group commutator close gas inlet and air into
Mouth and opening waste gas outlet maintain after a certain period of time, and commutator closing gas inlet and air intlet are organized before carbonization chamber and opening is given up
Gas outlet, group commutator, which turns on the gas-fire, after carbonization chamber is symmetrical therewith import and air intlet and opens waste gas outlet and maintains one again
It fixes time, circuits sequentially and carry out heating and accumulation of heat；Coal dust is heated to 550 DEG C to 600 DEG C progress using external-heat in carbonization chamber
Low temperature distillation realizes the destructive distillation of vertical subsidence formula by continuous pulp discharge and continuous charging.It is easy to commutation regenerative cycles heating
The advantages of realizing, thermal efficiency height, high income, being conducive to energy-saving and emission-reduction.
As optimization, the carbonization chamber and combustion chamber and regenerative chamber and heating channel use N1 clay brick masonry；The charcoal
The multilayer for changing room setting discharge raw coke oven gas rises chute, and multilayer rises chute upper end and reconnects raw coke oven gas collection device；Burn
Room be it is vertical, using N1 clay brick masonry, multilayer coal gas and hot-air feeding mechanism are set, realize Multi-layer warming.Carbonization chamber is set
Set multilayer chute discharge raw coke oven gas collection device.Carbonization chamber be it is vertical, using N1 clay brick masonry, coal dust is in charing indoor low temperature
Destructive distillation and vertical subsidence, carbonization chamber height are 5 meters to 50 meters.
Multiple twin flues are split in the carbonization chamber, one group of flue one to be connected is ascending air, coal gas
In this combustion heat supplying, another flue decline discharge exhaust gas is exchanged periodically.
As optimization, the regenerative chamber of carbonization chamber configuration is synchronous with the indoor air-flow of burning that upper part is connected rise or
Decline, preheated air when rising, when decline, collect the waste heat of hot waste gas.
As optimization, 5 meters to 50 meters of the carbonization chamber height；Carbonization chamber and combustion chamber, which intersect, to be arranged side by side, laterally and vertical
To all settable multiple groups carbonization chamber；The i.e. described combustion chamber intersects with carbonization chamber to be arranged side by side, horizontal and vertical according to capacity requirements
Settable multiple groups carbonization chamber, one 50,000 tons to 15,000,000 tons of production capacity of furnace group year low temperature distillation.
The multilayer coal gas and hot-air feeding mechanism of Multi-layer warming are realized in setting in the combustion chamber；
The carbonization chamber for configuring combustion chamber and regenerative chamber is multiple groups in one line, the water-saving cooling system of coal dust under carbonization chamber
The configuration of lower end discharge port and the carbonization chamber arragement direction coal dust conveyer belt in the same direction of system.
As optimization, the belt conveyor upper end of the feeding system couples coal bunker entrance, the connection of belt conveyor lower end
The heat source gas import of pulverized coal preheating device, pulverized coal preheating device couples the waste gas outlet by heat source feed channel；I.e. fine coal is (more
It is thin better) the all-sealed coal bunker of furnace roof is transported to by belt, fine coal passes through carbonization chamber to water-cooling by coal bunker vertical subsidence
But system.
The water-saving cooling system of coal dust is inert gas or vapor using the discharge of pulverized coal preheating device to complete close
The coal dust sealed in spiral discharging machine carries out water-saving cooling.I.e. using inert gas (vapor of drying raw coal) to sealing screw
Coal dust on formula discharging machine carries out water-saving cooling.
Receive hot destructive distillation among sinking watching in it by coal dust for realizing the kiln system of the method for the invention
Vertical chamber is spaced the vertical combustor to conduct heat to carbonization chamber and vertical regenerative chamber, to the feeding system of carbonization chamber coal supply powder
System carries out the water-saving cooling system composition of cooling coal dust to the coal dust of carbonization chamber discharge；The coal bunker of feeding system art end configuration supplies
Material mouth connects downwards the carbonization chamber of periphery balanced configuration combustion chamber and regenerative chamber, the combustion chamber upper end of carbonization chamber periphery balanced configuration
By passing through carbonization chamber or being connected around the heating channel of carbonization chamber, the carbonization chamber lower end of raw coke oven gas collection system is coupled in top
Decline chute to the water-saving cooling system of lower link coal dust by multilayer, regenerative chamber lower end by the coal gas of commutator connection two sides into
Mouth and air intlet and the waste gas outlet of lower end；Commutator, which turns on the gas-fire, on front side of carbonization chamber import and air intlet and closes exhaust gas
Outlet, carbonization chamber therewith symmetrically close gas inlet and air intlet and open waste gas outlet maintenance one periodically by rear group commutator
Between after, commutator is organized before carbonization chamber and closes gas inlet and air intlet and opens waste gas outlet, after carbonization chamber is symmetrical therewith
Group commutator turn on the gas-fire import and air intlet and open waste gas outlet maintain certain time again, circuit sequentially carry out heating and
Accumulation of heat；Coal dust is heated to 550 DEG C to 600 DEG C progress low temperature distillation using external-heat in carbonization chamber, passes through continuous pulp discharge and company
The destructive distillation of vertical subsidence formula is realized in continuous charging.It is easily achieved with commutation regenerative cycles heating, the thermal efficiency is high, and high income is conducive to
The advantages of energy-saving and emission-reduction.
As optimization, the carbonization chamber and combustion chamber and regenerative chamber and heating channel use N1 clay brick masonry；The charcoal
The multilayer for changing room setting discharge raw coke oven gas rises chute, and multilayer rises chute upper end and reconnects raw coke oven gas collection device；Burn
Room be it is vertical, using N1 clay brick masonry, multilayer coal gas and hot-air feeding mechanism are set, realize Multi-layer warming.Carbonization chamber is set
Set multilayer chute discharge raw coke oven gas collection device.Carbonization chamber be it is vertical, using N1 clay brick masonry, coal dust is in charing indoor low temperature
Destructive distillation and vertical subsidence, carbonization chamber height are 5 meters to 50 meters.
Multiple twin flues are split in the carbonization chamber, one group of flue one to be connected is ascending air, coal gas
In this combustion heat supplying, another flue decline discharge exhaust gas is exchanged periodically.
As optimization, the regenerative chamber of carbonization chamber configuration is synchronous with the indoor air-flow of burning that upper part is connected rise or
Decline, preheated air when rising, when decline, collect the waste heat of hot waste gas.
As optimization, 5 meters to 50 meters of the carbonization chamber height；Carbonization chamber and combustion chamber, which intersect, to be arranged side by side, laterally and vertical
To all settable multiple groups carbonization chamber；The i.e. described combustion chamber intersects with carbonization chamber to be arranged side by side, horizontal and vertical according to capacity requirements
Settable multiple groups carbonization chamber, one 50,000 tons to 15,000,000 tons of production capacity of furnace group year low temperature distillation.
The multilayer coal gas and hot-air feeding mechanism of Multi-layer warming are realized in setting in the combustion chamber；
The carbonization chamber for configuring combustion chamber and regenerative chamber is multiple groups in one line, the water-saving cooling system of coal dust under carbonization chamber
The configuration of lower end discharge port and the carbonization chamber arragement direction coal dust conveyer belt in the same direction of system.
As optimization, the belt conveyor upper end of the feeding system couples coal bunker entrance, the connection of belt conveyor lower end
The heat source gas import of pulverized coal preheating device, pulverized coal preheating device couples the waste gas outlet by heat source feed channel；I.e. fine coal is (more
It is thin better) the all-sealed coal bunker of furnace roof is transported to by belt, fine coal passes through carbonization chamber to water-cooling by coal bunker vertical subsidence
But system.
The water-saving cooling system of coal dust is inert gas or vapor using the discharge of pulverized coal preheating device to complete close
The coal dust sealed in spiral discharging machine carries out water-saving cooling.I.e. using inert gas (vapor of drying raw coal) to sealing screw
Coal dust on formula discharging machine carries out water-saving cooling.
Wherein, coal dust is heated to 550 DEG C to 600 DEG C progress low temperature distillation using external-heat in carbonization chamber, by continuous
Discharge and continuous charging realize vertical subsidence；Carbonization chamber is arranged multilayer chute and raw coke oven gas collection device is discharged；Combustion chamber point is multiple
Flue, quirk are twin, and one to be connected group flue one is ascending air, and for coal gas in this combustion heat supplying, another is vertical
Quirk decline discharge exhaust gas, is exchanged periodically；Multilayer coal gas and hot-air feeding mechanism are set in combustion chamber, realize Multi-layer warming,
5 meters to 50 meters of carbonization chamber height；Carbonization chamber and combustion chamber, which intersect, to be arranged side by side, horizontal and vertical all settable multiple groups carbonization chamber,
50,000 tons to 15,000,000 tons of scale is produced in one kiln low temperature distillation per year；The combustion chamber that regenerative chamber and top are connected is synchronous rise or
Decline, preheated air when rising, when decline, collect the waste heat of hot waste gas；Heating system is led to by gas piping, air duct, exhaust gas
Road and switch form；Fine coal (more thinner better) is transported to the all-sealed coal bunker of furnace roof, fine coal by belt by feeding system
Vertical subsidence is to carbonization chamber in coal bunker；The water-saving cooling system of coal dust is using inert gas (vapor of drying raw coal) to complete close
The coal dust sealed in spiral discharging machine carries out water-saving cooling.
After adopting the above technical scheme, there is commutation to store for hot sinking fine coal low-temperature cracking process and kiln system outside the present invention
The advantages of hot type circulating-heating is easily achieved, and the thermal efficiency is high, high income, is conducive to energy-saving and emission-reduction.
Detailed description of the invention
Fig. 1 is for realizing the kiln system structural schematic diagram of sinking fine coal low-temperature cracking process hot outside the present invention.
Specific embodiment
Hot sinking fine coal low-temperature cracking process is to receive hot destructive distillation among sinking watching in it by coal dust outside the present invention
Vertical chamber is spaced the vertical combustor to conduct heat to carbonization chamber and vertical regenerative chamber, to the feeding system of carbonization chamber coal supply powder
System, the kiln that the water-saving cooling system composition of cooling coal dust is carried out to the coal dust of carbonization chamber discharge are realized；Wherein feeding system end
The coal bunker inlet of end configuration connects downwards the carbonization chamber of periphery balanced configuration combustion chamber and regenerative chamber, and carbonization chamber periphery is symmetrically matched
By passing through carbonization chamber or being connected around the heating channel of carbonization chamber, top is coupled raw coke oven gas and collects system for the combustion chamber upper end set
The carbonization chamber lower end of system declines chute to the water-saving cooling system of lower link coal dust by multilayer, and regenerative chamber lower end is joined by commutator
Connect gas inlet and air intlet and the waste gas outlet of lower end of two sides；The commutator organized before carbonization chamber turns on the gas-fire import and sky
Gas import and closing waste gas outlet, symmetrical rear group commutator closes gas inlet and air intlet to carbonization chamber therewith and opening is useless
Gas outlet maintains after a certain period of time, and commutator is organized before carbonization chamber and closes gas inlet and air intlet and opens waste gas outlet, charcoal
Change room it is symmetrical therewith after group commutator turn on the gas-fire and import and air intlet and open waste gas outlet and maintain certain time again, according to
Secondary circulation carries out heating and accumulation of heat；Coal dust is heated to 550 DEG C to 600 DEG C progress low temperature distillation using external-heat in carbonization chamber,
The destructive distillation of vertical subsidence formula is realized by continuous pulp discharge and continuous charging.
The carbonization chamber and combustion chamber and regenerative chamber and the heating channel use N1 clay brick masonry；The carbonization chamber is set
The multilayer for setting discharge raw coke oven gas rises chute, and multilayer rises chute upper end and reconnects raw coke oven gas collection device；In the carbonization chamber
Multiple twin flues are split, one group of flue one to be connected is ascending air, and for coal gas in this combustion heat supplying, another is vertical
Quirk decline discharge exhaust gas, is exchanged periodically.
The indoor air-flow of burning that the regenerative chamber of carbonization chamber configuration is connected with upper part synchronize rise or fall, rising
When preheated air, the waste heat of hot waste gas is collected when decline.
5 meters to 50 meters of the carbonization chamber height；Carbonization chamber and combustion chamber, which intersect, to be arranged side by side, horizontal and vertical all settable
Multiple groups carbonization chamber；The multilayer coal gas and hot-air feeding mechanism of Multi-layer warming are realized in setting in the combustion chamber；Configure combustion chamber
The carbonization chamber with regenerative chamber is multiple groups in one line, the lower end discharge port configuration of the water-saving cooling system of coal dust under carbonization chamber
The coal dust conveyer belt in the same direction with carbonization chamber arragement direction.
The belt conveyor upper end of the feeding system couples coal bunker entrance, and belt conveyor lower end connects pulverized coal preheating dress
It sets, the heat source gas import of pulverized coal preheating device couples the waste gas outlet by heat source feed channel；The water-saving cooling system of coal dust
System is to be carried out using the inert gas or vapor of pulverized coal preheating device discharge to the coal dust in hermetically sealed spiral discharging machine
Water-saving cooling.
Wherein carbonization chamber and combustion chamber are vertical, and using N1 clay brick masonry, coal dust is added in carbonization chamber using external-heat
Heat realizes vertical subsidence to 550 DEG C to 600 DEG C progress low temperature distillation, by continuous pulp discharge and continuous charging；Carbonization chamber setting is more
Raw coke oven gas collection device is discharged in layer chute；The multiple flues in combustion chamber point, quirk is twin, one to be connected group flue one
For ascending air, coal gas is exchanged periodically in this combustion heat supplying, another flue decline discharge exhaust gas；It is arranged in combustion chamber more
Layer coal gas and hot-air feeding mechanism, realization Multi-layer warming, 5 meters to 50 meters of carbonization chamber height；Carbonization chamber and combustion chamber intersect simultaneously
50,000 tons to 15,000,000 tons of rule are produced in row's setting, horizontal and vertical all settable multiple groups carbonization chamber, a kiln low temperature distillation per year
Mould；The combustion chamber that regenerative chamber and top are connected synchronize rise or fall, preheated air when rising, when decline, collects the remaining of hot waste gas
Heat；Heating system is made of gas piping, air duct, exhaust steam passage and switch；Feeding system by fine coal (it is more thin more
It is good) the all-sealed coal bunker of furnace roof is transported to by belt, fine coal in coal bunker vertical subsidence to carbonization chamber；The water-saving cooling system of coal dust
System carries out water-saving cooling to the coal dust in hermetically sealed spiral discharging machine using inert gas (vapor of drying raw coal).Have
The advantages of commutation regenerative cycles heating is easily achieved, and the thermal efficiency is high, high income, is conducive to energy-saving and emission-reduction.
As shown in Figure 1, the vertical sinking kiln of external-heat fine coal low temperature distillation of the present invention by coal dust sinking watching in it
Centre receives the vertical chamber 2 of hot destructive distillation, be spaced the vertical combustor 3 to conduct heat to carbonization chamber 2 and vertical regenerative chamber 4, to charcoal
The water-saving cooling system 6 of feeding system, coal dust for changing room coal supply powder forms；1 inlet of coal bunker of feeding system connects downwards two
The carbonization chamber 2 of side balanced configuration combustion chamber 3 and regenerative chamber 4,3 upper ends of combustion chamber of 2 two sides of carbonization chamber by pass through carbonization chamber 2 or
Person is connected around the heating channel of carbonization chamber 2, and 2 lower end of carbonization chamber of top or upper end mating raw coke oven gas collection system passes through more
Layer decline chute couples the gas inlet 51 of two sides by commutator to the water-saving cooling system 6 of lower link coal dust, 4 lower end of regenerative chamber
With air intlet 52 and the waste gas outlet of lower end 50；Before carbonization chamber 2 organize commutator turn on the gas-fire import 5 and air intlet 7 and close
Waste gas outlet 50 is closed, carbonization chamber 2 therewith close gas inlet 5 and air intlet 7 and open exhaust gas by symmetrical rear group commutator
Mouth 50 maintains after a certain period of time, and commutator is organized before carbonization chamber 2 and closes gas inlet 5 and air intlet 7 and opens waste gas outlet 50,
Group commutator, which turns on the gas-fire, after carbonization chamber 2 is symmetrical therewith import 5 and air intlet 7 and opens waste gas outlet 50 and remains certain again
Time circuits sequentially and carries out heating and accumulation of heat；It is low that coal dust is heated to 550 DEG C to 600 DEG C progress using external-heat in carbonization chamber 2
Warm destructive distillation realizes the destructive distillation of vertical subsidence formula by continuous pulp discharge and continuous charging.
Multiple twin flues are split in the carbonization chamber 2, one group of flue one to be connected is ascending air, coal gas
In this combustion heat supplying, another flue decline discharge exhaust gas is exchanged periodically.The regenerative chamber 4 that the carbonization chamber 2 configures with thereon
Air-flow in the connected combustion chamber 3 in portion, which synchronizes, to be risen or fallen, preheated air when rising, and when decline collects the waste heat of hot waste gas.
The carbonization chamber 2 and combustion chamber 3 and regenerative chamber 4 and the heating channel use N1 clay brick masonry；The charing
The multilayer of the setting of room 2 discharge raw coke oven gas rises chute, and multilayer rises chute end and reconnects raw coke oven gas collection device.The charing
25 meters to 50 meters of height of room；Carbonization chamber 2 and combustion chamber 3, which intersect, to be arranged side by side, horizontal and vertical all settable multiple groups carbonization chamber 2.
The multilayer coal gas and hot-air feeding mechanism of Multi-layer warming are realized in setting in the combustion chamber 3.Configure 3 He of combustion chamber
The carbonization chamber 2 of regenerative chamber 4 is in one line three groups, and the lower end discharge port of the lower water-saving cooling system of coal dust of carbonization chamber 2 is matched
Set the coal dust conveyer belt 8 in the same direction with 2 arragement direction of carbonization chamber.
The air intlet 7 connects the air passage inlet of 4 bottom of regenerative chamber by commutator, and gas inlet 5 is by changing
Gas passage import to device connection 4 bottom of regenerative chamber, the air channel outlet at 4 top of regenerative chamber and gas passage outlet
For to the burner of combustion chamber flame-throwing flame；The air passage inlet of 4 bottom of regenerative chamber and gas passage import pass through commutation
Device connects the waste gas outlet 50.
The belt conveyor upper end of the feeding system couples 1 entrance of coal bunker, and belt conveyor lower end connects pulverized coal preheating
The heat source gas import of device, pulverized coal preheating device couples the waste gas outlet 50 by heat source feed channel；The coal dust water-cooling
But system 8 is inert gas or vapor using the discharge of pulverized coal preheating device to the coal dust in hermetically sealed spiral discharging machine
Carry out water-saving cooling.
That is, by carbonization chamber, combustion chamber, regenerative chamber, heating system, raw coke oven gas collection system, feeding system, coal dust water-cooling
But system forms；Wherein carbonization chamber and combustion chamber are vertical, and using N1 clay brick masonry, coal dust uses external-heat in carbonization chamber
550 DEG C to 600 DEG C progress low temperature distillation are heated to, vertical subsidence is realized by continuous pulp discharge and continuous charging；Carbonization chamber setting
Raw coke oven gas collection device is discharged in multilayer chute；The multiple flues in combustion chamber point, quirk is twin, one to be connected group flue one
A is ascending air, and coal gas is exchanged periodically in this combustion heat supplying, another flue decline discharge exhaust gas；It is arranged in combustion chamber
Multilayer coal gas and hot-air feeding mechanism, realization Multi-layer warming, 5 meters to 50 meters of carbonization chamber height；Carbonization chamber and combustion chamber intersect
It is arranged side by side, 50,000 tons to 15,000,000 tons of rule are produced in horizontal and vertical all settable multiple groups carbonization chamber, a kiln low temperature distillation per year
Mould；The combustion chamber that regenerative chamber and top are connected synchronize rise or fall, preheated air when rising, when decline, collects the remaining of hot waste gas
Heat；Heating system is made of gas piping, air duct, exhaust steam passage and switch；Feeding system by fine coal (it is more thin more
It is good) the all-sealed coal bunker of furnace roof is transported to by belt, fine coal in coal bunker vertical subsidence to carbonization chamber；The water-saving cooling system of coal dust
System carries out water-saving cooling to the coal dust in hermetically sealed spiral discharging machine using inert gas (vapor of drying raw coal).Have
The advantages of commutation regenerative cycles heating is easily achieved, and the thermal efficiency is high, high income, is conducive to energy-saving and emission-reduction.
Claims (8)
1. a kind of outer hot sinking fine coal low-temperature cracking process, it is characterised in that it is dry to receive heat among sinking watching in it by coal dust
The vertical chamber that evaporates is spaced the vertical combustor to conduct heat to carbonization chamber and vertical regenerative chamber, to the upper of carbonization chamber coal supply powder
Material system, the kiln that the water-saving cooling system composition of cooling coal dust is carried out to the coal dust of carbonization chamber discharge are realized；Wherein feeding system
The coal bunker inlet of system end configuration connects downwards the carbonization chamber of periphery balanced configuration combustion chamber and regenerative chamber, carbonization chamber periphery pair
Claim the combustion chamber upper end of configuration by passing through carbonization chamber or being connected around the heating channel of carbonization chamber, top is coupled raw coke oven gas and receives
The carbonization chamber lower end of collecting system declines chute to the water-saving cooling system of lower link coal dust by multilayer, and regenerative chamber lower end passes through commutation
The gas inlet of device connection two sides and air intlet and the waste gas outlet of lower end；Before carbonization chamber organize commutator turn on the gas-fire import and
Air intlet and closing waste gas outlet, symmetrical rear group commutator closes gas inlet and air intlet and opening to carbonization chamber therewith
Waste gas outlet maintains after a certain period of time, and commutator is organized before carbonization chamber and closes gas inlet and air intlet and opens waste gas outlet,
Group commutator, which turns on the gas-fire, after carbonization chamber is symmetrical therewith import and air intlet and opens waste gas outlet and maintains certain time again,
It circuits sequentially and carries out heating and accumulation of heat；It is dry that coal dust is heated to 550 DEG C to 600 DEG C progress low temperature using external-heat in carbonization chamber
It evaporates, the destructive distillation of vertical subsidence formula is realized by continuous pulp discharge and continuous charging；
The multilayer of the carbonization chamber setting discharge raw coke oven gas rises chute, and multilayer rises chute upper end reconnection raw coke oven gas and collects dress
It sets；The belt conveyor upper end of the feeding system couples coal bunker entrance, and belt conveyor lower end connects pulverized coal preheating device, coal
The heat source gas import of powder preheating device couples the waste gas outlet by heat source feed channel；The water-saving cooling system of coal dust is to adopt
The inert gas or vapor being discharged with pulverized coal preheating device carry out water-cooling to the coal dust in hermetically sealed spiral discharging machine
But.
2. method according to claim 1, it is characterised in that the carbonization chamber and combustion chamber and regenerative chamber and heating channel are adopted
With N1 clay brick masonry；Multiple twin flues are split in the carbonization chamber, one group of flue one to be connected is to rise gas
Stream, coal gas are exchanged periodically in this combustion heat supplying, another flue decline discharge exhaust gas.
3. method according to claim 2, it is characterised in that the combustion that the regenerative chamber of the carbonization chamber configuration is connected with upper part
It burns indoor air-flow and synchronizes and rise or fall, preheated air when rising, when decline collects the waste heat of hot waste gas.
4. method according to claim 1, it is characterised in that 5 meters to 50 meters of the carbonization chamber height；Carbonization chamber and combustion chamber
Intersect and is arranged side by side, horizontal and vertical all settable multiple groups carbonization chamber；
The multilayer coal gas and hot-air feeding mechanism of Multi-layer warming are realized in setting in the combustion chamber；
The carbonization chamber for configuring combustion chamber and regenerative chamber is multiple groups in one line, the water-saving cooling system of coal dust under carbonization chamber
The configuration of lower end discharge port and carbonization chamber arragement direction coal dust conveyer belt in the same direction.
5. for realizing the kiln system of claim 1 the method, it is characterised in that by coal dust in it among sinking watching
Receive the vertical chamber of hot destructive distillation, be spaced the vertical combustor to conduct heat to carbonization chamber and vertical regenerative chamber, to carbonization chamber coal supply
The feeding system of powder carries out the water-saving cooling system composition of cooling coal dust to the coal dust of carbonization chamber discharge；Feeding system end
The coal bunker inlet of configuration connects downwards the carbonization chamber of periphery balanced configuration combustion chamber and regenerative chamber, carbonization chamber periphery balanced configuration
Combustion chamber upper end by pass through carbonization chamber or around the heating channel of carbonization chamber be connected, top be coupled raw coke oven gas collection system
Carbonization chamber lower end chute is declined to the water-saving cooling system of lower link coal dust by multilayer, regenerative chamber lower end passes through commutator connection
The gas inlet of two sides and air intlet and the waste gas outlet of lower end；Organized before carbonization chamber commutator turn on the gas-fire import and air into
Mouth and closing waste gas outlet, symmetrical rear group commutator closing gas inlet and air intlet and opening exhaust gas go out carbonization chamber therewith
Mouth maintains after a certain period of time, and commutator is organized before carbonization chamber and closes gas inlet and air intlet and opens waste gas outlet, carbonization chamber
Group commutator, which turns on the gas-fire, after symmetrical therewith import and air intlet and opens waste gas outlet and maintains certain time, successively to follow again
Ring carries out heating and accumulation of heat；Coal dust is heated to 550 DEG C to 600 DEG C progress low temperature distillation using external-heat in carbonization chamber, passes through
Continuous pulp discharge and continuous charging realize the destructive distillation of vertical subsidence formula；
The multilayer of the carbonization chamber setting discharge raw coke oven gas rises chute, and multilayer rises chute upper end reconnection raw coke oven gas and collects dress
It sets；The belt conveyor upper end of the feeding system couples coal bunker entrance, and belt conveyor lower end connects pulverized coal preheating device, coal
The heat source gas import of powder preheating device couples the waste gas outlet by heat source feed channel；The water-saving cooling system of coal dust is to adopt
The inert gas or vapor being discharged with pulverized coal preheating device carry out water-cooling to the coal dust in hermetically sealed spiral discharging machine
But.
6. kiln system according to claim 5, it is characterised in that the carbonization chamber and combustion chamber and regenerative chamber and heating are logical
Road uses N1 clay brick masonry；Multiple twin flues are split in the carbonization chamber, one group of flue one to be connected is upper
Air-flow is risen, coal gas is exchanged periodically in this combustion heat supplying, another flue decline discharge exhaust gas.
7. kiln system according to claim 6, it is characterised in that the regenerative chamber of the carbonization chamber configuration is connected with upper part
The indoor air-flow of burning synchronize and rise or fall, preheated air when rising, when decline, collects the waste heat of hot waste gas.
8. kiln system according to claim 5, it is characterised in that 5 meters to 50 meters of the carbonization chamber height；Carbonization chamber and combustion
It burns room and intersects arranged side by side, horizontal and vertical all settable multiple groups carbonization chamber；
The multilayer coal gas and hot-air feeding mechanism of Multi-layer warming are realized in setting in the combustion chamber；
The carbonization chamber for configuring combustion chamber and regenerative chamber is multiple groups in one line, the water-saving cooling system of coal dust under carbonization chamber
The configuration of lower end discharge port and carbonization chamber arragement direction coal dust conveyer belt in the same direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510075440.8A CN105985789B (en) | 2015-02-13 | 2015-02-13 | Outer hot sinking fine coal low-temperature cracking process and kiln system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510075440.8A CN105985789B (en) | 2015-02-13 | 2015-02-13 | Outer hot sinking fine coal low-temperature cracking process and kiln system |
Publications (2)
| Publication Number | Publication Date |
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| CN105985789A CN105985789A (en) | 2016-10-05 |
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Citations (5)
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| CN202116492U (en) * | 2011-06-21 | 2012-01-18 | 中冶焦耐(大连)工程技术有限公司 | Controllable multi-section combustion heating type coke oven |
| CN103160301A (en) * | 2013-03-21 | 2013-06-19 | 何建祥 | Low-temperature carbonization apparatus and method for oil sand, oil sludge, oil shale and biomass |
| CN103497784A (en) * | 2013-10-08 | 2014-01-08 | 西安元创化工科技股份有限公司 | Method for producing tar, semi-coke and synthetic fuel gas by low-degree of coalification powdered coal |
| CN203582805U (en) * | 2013-11-29 | 2014-05-07 | 杜晋安 | Outer-heating lignite dry distillation furnace |
| CN103923676A (en) * | 2014-04-17 | 2014-07-16 | 沈阳海源干馏设备技术开发有限公司 | HY type dry distillation furnace |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202116492U (en) * | 2011-06-21 | 2012-01-18 | 中冶焦耐(大连)工程技术有限公司 | Controllable multi-section combustion heating type coke oven |
| CN103160301A (en) * | 2013-03-21 | 2013-06-19 | 何建祥 | Low-temperature carbonization apparatus and method for oil sand, oil sludge, oil shale and biomass |
| CN103497784A (en) * | 2013-10-08 | 2014-01-08 | 西安元创化工科技股份有限公司 | Method for producing tar, semi-coke and synthetic fuel gas by low-degree of coalification powdered coal |
| CN203582805U (en) * | 2013-11-29 | 2014-05-07 | 杜晋安 | Outer-heating lignite dry distillation furnace |
| CN103923676A (en) * | 2014-04-17 | 2014-07-16 | 沈阳海源干馏设备技术开发有限公司 | HY type dry distillation furnace |
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