CN102863972B - Tunnel-type carbonization furnace with burning gallery - Google Patents
Tunnel-type carbonization furnace with burning gallery Download PDFInfo
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- CN102863972B CN102863972B CN201210360361.8A CN201210360361A CN102863972B CN 102863972 B CN102863972 B CN 102863972B CN 201210360361 A CN201210360361 A CN 201210360361A CN 102863972 B CN102863972 B CN 102863972B
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- tunnel
- flue
- burning gallery
- burning
- gas
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- 238000003763 carbonization Methods 0.000 title claims abstract description 47
- 239000007789 gas Substances 0.000 claims abstract description 94
- 238000007789 sealing Methods 0.000 claims abstract description 69
- 239000002994 raw material Substances 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims description 44
- 239000003034 coal gas Substances 0.000 claims description 25
- 238000006213 oxygenation reaction Methods 0.000 claims description 14
- 238000005235 decoking Methods 0.000 claims description 8
- 238000002955 isolation Methods 0.000 claims description 6
- 239000005439 thermosphere Substances 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 19
- 239000001301 oxygen Substances 0.000 abstract description 19
- 229910052760 oxygen Inorganic materials 0.000 abstract description 19
- 238000010438 heat treatment Methods 0.000 abstract description 15
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 239000000571 coke Substances 0.000 description 19
- 238000002485 combustion reaction Methods 0.000 description 17
- 238000002360 preparation method Methods 0.000 description 13
- 238000000197 pyrolysis Methods 0.000 description 13
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 11
- 239000003546 flue gas Substances 0.000 description 11
- 238000010791 quenching Methods 0.000 description 8
- 230000000171 quenching effect Effects 0.000 description 8
- 239000003245 coal Substances 0.000 description 7
- 239000000047 product Substances 0.000 description 6
- 239000007921 spray Substances 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 206010022000 influenza Diseases 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- 239000003570 air Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
- 239000011269 tar Substances 0.000 description 1
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Abstract
The invention relates to a tunnel-type carbonization furnace with a burning gallery. A sealing device is arranged between two sides of a plurality of kiln cars and lateral walls of two sides of a tunnel-type furnace body, the sealing device is suitable to isolate an upper furnace chamber located above the sealing device and a lower furnace chamber located below the sealing device, and the upper furnace chamber is communicated with a flue. The burning gallery is arranged on each kiln car and located below the sealing device, openings at two ends of the burning gallery respectively face to the lateral walls of two sides of the tunnel-type furnace body, a top wall of the burning gallery is a heat conduction layer, and carbonization raw materials are placed on the upper surface of the heat conduction layer. A first gas nozzle and a high pressure oxygen adding tube are arranged on lateral walls of any one or two sides of the tunnel-type furnace body. By means of the burning gallery, heat generated by burning of gas and oxygen is directly led to the carbonization raw materials through the heat conduction layer, heat loss is small, heating on furnace chambers of the tunnel-type furnace is achieved through the burning gallery, the heating efficiency is effectively improved, and the energy consumption of the carbonization furnace can be further reduced.
Description
Technical field
The invention belongs to carbonize field, and in particular to a kind of Tunnel-type carbonization furnace for being provided with burning gallery.
Background technology
Retort is that coal is fired into coke under conditions of isolation air, and coal gas and coal tar are isolated from product
Device.In prior art, Chinese patent literature CN102492431A discloses a kind of Tunnel-type carbonization furnace, and the retort is arranged
There are car tunnel furnace and coke dry quenching furnace, preheating section, dryer section and charing section are disposed with the body of heater, through the tunnel
Formula stove and coke dry quenching furnace are provided with track, and movable block is provided with the track, and the coaster is suitable for being carried out along track
Movement is it is achieved thereby that the continuous prodution of coke；The retort is additionally provided with flue, and the flue includes main chimney flue, branch flue
And upper flue, wherein the upper flue is arranged on the top of the car tunnel furnace；The branch flue is arranged on the car tunnel furnace
In the two side at middle part, the main chimney flue is arranged on the top of the car tunnel furnace, the main chimney flue respectively with the branch flue
It is connected with the upper flue, the passage that the upper flue is provided by flashboard with the branch flue is connected；In the tunnel
Be additionally provided with air distribution outlet on tunnel-type, in the air distribution outlet and the main chimney flue, branch flue and upper flue any one or
It is multiple to be connected；Oxygenation port is additionally provided with the side wall of the car tunnel furnace, in the oxygenation port and the car tunnel furnace
Portion is connected.The Tunnel-type carbonization furnace operationally, is entered by the air distribution outlet and oxygenation port to the flue and furnace interior
Row oxygenation, improves the efficiency of combustion of flue gas.
Above-mentioned retort send oxygen by oxygenation port into the furnace chamber, and the coal gas gone out with coke high-temperature destructive distillation burns,
Simultaneously circulation is cooperatively formed with the flue gas in branch flue and upper flue, it is so as to realize the charing of moulded coal but above-mentioned using burning cigarette
Have a drawback in that during gas heating coke, flue gas can occur directly contact with coal in combustion, due to containing in flue gas
There is a small amount of oxygen, therefore the surface portion of coke can be caused to aoxidize, form one layer of stratum, cause the ash content of coke finished product
Content increases, so as to have a strong impact on the quality of coke.In order to solve this technical problem, propose in prior art and utilize coal
Combustion chamber carries out the retort of conduction heating to coal raw material, and such as Chinese patent literature CN2745923Y discloses a kind of tunnel type
Coke oven, includes body of heater and furnace chamber, and the body of heater is tunnel structure, the body of heater be provided with per side several combustion chambers and
One main chimney flue, the main chimney flue is connected with a combustion chamber of going out by branch flue, and exhaust outlet is provided with the main chimney flue, and in combustion
Burn in room and be optionally provided with the first jet for gas, first jet for gas is connected with gas piping, described combustion chamber
Heat-conducting layer is provided with and furnace chamber between；Air duct is provided with the combustion chamber of the Tunnel-type carbonization furnace, it is logical by the air
Road introduces a large amount of air rich in oxygen, and realization fully burning is engaged with coal gas using the air.
Above-mentioned retort is fully burnt with air by the indoor coal gas of burning and produces substantial amounts of flue gas and heat energy, to furnace chamber
Conduction heating is carried out, makes the coke in furnace chamber realize destructive distillation under anoxic condition, so as to effectively prevent the oxidation of coke.But on
State the combustion chamber in retort to be arranged on the side wall of retort, although be provided with heat-conducting layer between combustion chamber and furnace chamber, but
It is that, because retort is in actual moving process, the coke being deposited on kiln car can not possibly be contacted directly with the heat-conducting layer, and
It is the presence of certain gap, therefore results in during heat transfer, the loss of heat is larger, and the efficiency of heating surface is relatively low, and then
Cause the energy consumption of retort higher.
The content of the invention
The technical problem to be solved in the present invention is the side wall that the combustion chamber in prior art in retort is arranged on retort
On, in actual moving process, the loss of heat is larger, and the efficiency of heating surface is relatively low, and then causes the energy consumption of retort higher to be asked
Topic, and then provide a kind of energy consumption the relatively low Tunnel-type carbonization furnace for being provided with burning gallery.
The technical scheme of the Tunnel-type carbonization furnace for being provided with burning gallery of the present invention is：
A kind of Tunnel-type carbonization furnace for being provided with burning gallery, including：
Tunnel type furnace body, on the ground in the car tunnel furnace body track is provided with；
Multiple kiln cars, the kiln car is suitable for being moved along the track；
Flue；
In the car tunnel furnace body, set between the both sides of the plurality of kiln car and tunnel type furnace body both sides side wall
Be equipped with sealing device, the sealing device be suitable for the upper chamber that will be positioned above and the bottom furnace chamber that is disposed below every
From wherein the upper chamber is connected with the flue；
Burning gallery is provided with each described kiln car, the burning gallery is arranged on the lower section of the sealing device,
The both ends open of the burning gallery is respectively facing the both sides side wall of the tunnel type furnace body and arranges, the roof of the burning gallery
For heat-conducting layer, carbonize raw material and be placed on the heat-conducting layer upper surface；
The first jet for gas and high pressure oxygenation are provided with any side of the tunnel type furnace body or both sides side wall
Pipe, the one end open of each burning gallery is connected with first jet for gas and high pressure oxygen-adding tube, and the high pressure adds
Oxygen pipe is arranged towards the burning gallery, and another end opening of the burning gallery is connected with the flue.
Negative pressure precombustion chamber, first coal gas are provided with any side of the tunnel type furnace body or both sides side wall
Nozzle and high pressure oxygen-adding tube are arranged in the negative pressure pre-burning room, and the one end open of each burning gallery is pre- with the negative pressure
Combustion room be connected, the high pressure oxygen-adding tube is arranged towards the burning gallery, another end opening of the burning gallery with it is described
Flue is connected.
The flue includes upper flue and main chimney flue, and the upper flue is connected with the main chimney flue, the main chimney flue position
In the outside of the body of heater, the upper flue is arranged in the wall of tunnel type furnace body both sides side, each burning gallery
One end open is connected with the negative pressure precombustion chamber, and another end opening of the burning gallery is connected with the upper flue；
The upper chamber is connected with the main chimney flue.
The negative pressure precombustion chamber is arranged in the both sides side wall of the tunnel type furnace body, and the adjacent burning of each two
In passage, the flow direction of burning gases is contrary.
The sealing device includes：
With the sealing plate of kiln car both sides side wall connect setting；
The seal groove arranged on the wall of tunnel type furnace body both sides side, the sealing plate nesting is arranged on the seal groove
It is interior, closely it is connected successively before and after the sealing plate of the plurality of kiln car in the charing section, by the upper chamber and lower furnace
Chamber isolates.
Be provided with multiple burning galleries on each kiln car, being smaller than between the adjacent burning gallery of each two or
Equal to 30cm.
Branch flue is provided with and communicated with burning gallery each described on the side wall, the burning gallery is by described
Flue is connected with the upper flue.
The gas velocity sprayed in the high pressure oxygen-adding tube is 6-15m/s.
Be provided with gas passage on the side wall of the tunnel type furnace body, the gas passage connect the upper chamber and
The negative pressure precombustion chamber.
Channel of gas collection, the channel of gas collection and the tunnel type furnace body are provided with the top of the tunnel type furnace body
Furnace chamber be connected, be connected with electrostatic decoking device with the channel of gas collection.
Coal gas circulation pipe, the coal gas circulation pipe and institute are connected with the purified gas outlet of the electrostatic decoking device
State the first jet for gas to be connected.
Oxygenation port is provided with the upper flue and the branch flue.
The second jet for gas is additionally provided with the upper flue.
It is additionally provided with：Isolating door, the isolating door is arranged between the charing section and the pressure cooling section；
Draw-gear, the draw-gear is suitable for be separated and being led with kiln car below by the kiln car of the isolating door
Cause the pressure cooling section.
The advantage of the Tunnel-type carbonization furnace for being provided with burning gallery of the present invention is：
（1）The Tunnel-type carbonization furnace for being provided with burning gallery of the present invention, in the both sides of the plurality of kiln car and institute
State and sealing device is provided between the wall of tunnel type furnace body both sides side, the sealing device is suitable for the upper furnace that will be positioned above
Chamber and the bottom furnace chamber isolation being disposed below, wherein the upper chamber is connected with the flue；In each kiln car
On be provided with burning gallery, the burning gallery is arranged on the lower section of the sealing device, the both ends open of the burning gallery
The both sides side wall for being respectively facing the tunnel type furnace body is arranged, and the roof of the burning gallery is heat-conducting layer, and charing raw material is placed
In the heat-conducting layer upper surface；The first jet for gas is provided with any side of the tunnel type furnace body or both sides side wall
With high pressure oxygen-adding tube, the one end open of each burning gallery is connected with first jet for gas and high pressure oxygen-adding tube,
The high pressure oxygen-adding tube is arranged towards the burning gallery, and another end opening of the burning gallery is connected with the flue.
The present invention is by arranging above-mentioned burning gallery, and it is former that the heat that coal gas and oxygen combustion are produced directly is transmitted to charing by heat-conducting layer
Material, thermal loss is less, and by the burning gallery heating to car tunnel furnace furnace chamber is realized, effectively increases the efficiency of heating surface,
Further reduce the energy consumption of retort.
Tunnel-type carbonization furnace of the present invention, due to being provided with sealing device so that from the burning gallery out
Burning gases will not be passed into the top of the sealing device.The atmosphere of the upper chamber that will not be destroyed above sealing device, by
Can produce in substantial amounts of coal gas, therefore the upper chamber above sealing device in charing raw material generation destructive distillation and be maintained pressure-fired,
Due to the thorough starvation of the upper chamber, therefore the coke that destructive distillation is obtained will not produce stratum, and coke end product quality is good
It is good.
（2）The Tunnel-type carbonization furnace for being provided with burning gallery of the present invention, in any one of the tunnel type furnace body
Negative pressure precombustion chamber is additionally provided with side or both sides side wall, the first jet for gas is provided with the negative pressure pre-burning room and high pressure is added
Oxygen pipe, the one end open of each burning gallery is connected with the negative pressure precombustion chamber, and the high pressure oxygen-adding tube is towards described
Burning gallery is arranged, and another end opening of the burning gallery is connected with the flue.Tunnel type charing of the present invention
Stove operationally, by the jet for gas coal gas is sprayed into in the negative pressure precombustion chamber, then is sprayed by the high pressure oxygen-adding tube
Enter oxygen-containing gas, oxygen-containing gas and coal gas burn at high temperature, and flame pours the burning under the drive of gases at high pressure
Passage, and heat is conducted to the coal raw material by the heat-conducting layer heated, the present invention is pre- by arranging the negative pressure
Combustion room so that the coal gas and oxygen-containing gas can fully burn.
（3）The Tunnel-type carbonization furnace for being provided with burning gallery of the present invention, the flue includes upper flue and total cigarette
Road, the upper flue is connected with the main chimney flue, and the main chimney flue is located at the outside of the body of heater, and the upper flue is arranged on
In the wall of tunnel type furnace body both sides side, the one end open of each burning gallery is connected with the negative pressure precombustion chamber, institute
Another end opening for stating burning gallery is connected with the upper flue；By this setup, produce in the burning gallery
Combustion product gases enter the upper flue on the wall of tunnel type furnace body both sides side, and heat is transmitted by the upper flue
To in the furnace chamber, in combination with the mode of heating of burning gallery, the efficiency of heating surface is further increased.
（4）The Tunnel-type carbonization furnace for being provided with burning gallery of the present invention, is provided with by arranging on each kiln car
Multiple burning galleries, being smaller than or equal to 30cm between the burning gallery on the adjacent kiln car of each two.So that institute
The spacing stated between two burning galleries is less, and negative pressure precombustion chamber burning gases out can be efficiently entering the burning gallery,
The efficiency of burning is further increased, combustion efficiency is optimized.
（5）The Tunnel-type carbonization furnace for being provided with burning gallery of the present invention, on the side wall of the tunnel type furnace body
Gas passage is provided with, the gas passage connects the furnace chamber and the negative pressure precombustion chamber above the seal groove.Institute of the present invention
The Tunnel-type carbonization furnace stated, is maintained pressure-fired, in the negative pressure pre-burning room, towards the combustion in the sealing plate upper chamber
Burn through road is provided with high pressure oxygen-adding tube, and the air outlet of the burning gallery is connected with the branch flue in negative pressure, upper flue, therefore
Can pass through the coal in the coal gas gone out in the coke destructive distillation in negative pressure, therefore sealing plate upper chamber in the negative pressure pre-burning room
Gas passage enters the negative pressure precombustion chamber, it is achieved thereby that dry distillation gas makes full use of.
Description of the drawings
In order that present disclosure easily facilitates understanding, with reference to the accompanying drawings and detailed description to of the present invention
The Tunnel-type carbonization furnace for being provided with burning gallery be further elaborated.
It is the structure chart of the Tunnel-type carbonization furnace for being provided with burning gallery of the present invention as shown in Fig. 1；
It is as shown in Figure 2 the sectional view of the Tunnel-type carbonization furnace for being provided with burning gallery of the present invention；
It is as shown in Figure 3 and Figure 4 the sectional view of the Tunnel-type carbonization furnace for being provided with negative pressure precombustion chamber of the present invention；
It is as shown in Figure 5 the structure chart of the Tunnel-type carbonization furnace for being provided with dividing plate of the present invention；
It is as shown in Figure 6 the sectional view of the Tunnel-type carbonization furnace for being provided with gas passage of the present invention；
It is as shown in Figure 7 the structure chart of the Tunnel-type carbonization furnace for being provided with isolating door of the present invention；
Wherein, reference is：
1- preheating sections；2- carbonizes section；3- forces cooling section；4- kiln cars；5- tracks；6- upper flues；7- main chimney flues；8- is sealed
Plate；9- seal grooves；10- burning galleries；11- negative pressure precombustion chambers；12- jet for gas；13- high pressure oxygen-adding tubes；14- branch flues；15-
Gas passage；16- channel of gas collection；17- isolating doors；18- Jin Yao preparation rooms；19- oxygenless gas pour pipe；20- dividing plates.
Specific embodiment
Embodiment 1
The Tunnel-type carbonization furnace for being provided with burning gallery described in the present embodiment as depicted in figs. 1 and 2, including：
Tunnel type furnace body, is provided with track 5 on the ground in the car tunnel furnace body, the tunnel type furnace body is along kiln car
4 moving direction is provided with Jin Yao preparation rooms 18, preheating section 1, charing section 2, pressure cooling section 3；
Multiple kiln cars 4, the kiln car is suitable for being moved along the track 5；
Flue, the flue in the present embodiment includes upper flue 6 and main chimney flue 7, and the upper flue 6 is located at the tunnel
On the both sides side wall of formula body of heater, the main chimney flue 7 is located at the outside of the body of heater and positioned at the top of the body of heater, the upper cigarette
Road 6 is connected with the main chimney flue 7；
In the car tunnel furnace body, set between the both sides of the plurality of kiln car and tunnel type furnace body both sides side wall
Be equipped with sealing device, the sealing device be suitable for the upper chamber that will be positioned above and the bottom furnace chamber that is disposed below every
From wherein the upper chamber is connected with the main chimney flue；
Sealing device includes described in the present embodiment：In the sealing plate 8 that the both sides of the kiln car 4 are arranged, in the kiln car 4
The seal groove 9 arranged on the side wall of both sides, the nesting of the sealing plate 8 is arranged in the seal groove 9, the plurality of kiln car 4
Closely it is connected successively before and after sealing plate 8, by positioned at the bottom furnace chamber isolation of the upper chamber of the top of sealing plate 8 and lower section；
Burning gallery is provided with each described kiln car, the burning gallery is arranged on the lower section of the sealing device,
The both ends open of the burning gallery is respectively facing the both sides side wall of the tunnel type furnace body and arranges, the roof of the burning gallery
For heat-conducting layer, carbonize raw material and be placed on the heat-conducting layer；
The first jet for gas and high pressure are provided with the preheating section of the tunnel type furnace body and the side side wall of charing section
Oxygen-adding tube, the one end open of each burning gallery is connected with first jet for gas and high pressure oxygen-adding tube, the height
Pressure oxygen-adding tube is arranged towards the burning gallery, and the oxygen rates sprayed in the high pressure oxygen-adding tube 13 are 15m/s；The burning
Another end opening of passage is connected with the upper flue.
Cooling section 3 is forced to be cooled down by the way of dry coke quenching described in the present embodiment, in the pressure cooling section 3
It is provided with oxygenless gas and pours pipe 19, the oxygenless gas is filled with the starting that the inlet end of pipe is arranged on the pressure cooling section 3
In place and exit and roof, oxygenless gas circulation pipe is additionally provided with the pressure cooling section 3, by the no oxygen
Body circulation pipe extracts out oxygenless gas, and with the oxygenless gas circulation pipe Ceramic dust collector and water cooling plant, Jing are connected with
Oxygenless gas after dedusting and water-cooled pour pipe 19 and lead in the pressure cooling section 3 by the oxygenless gas again.
The running of the heretofore described Tunnel-type carbonization furnace for being provided with burning gallery is：
（1）Kiln car 4 is moved along the track 5, is introduced into the Jin Yao preparation rooms 18, then by the Jin Yao preparation rooms 18 according to
It is secondary into the preheating section 1, charing section 2 and to force cooling section 3, into the preheating section 1, charing section 2 and force cooling section 3
Closely it is connected successively before and after the sealing plate 8 of multiple kiln cars 4, by positioned at the lower furnace of the upper chamber of the top of sealing plate 8 and lower section
Chamber isolates；
（2）Burning is sprayed into in the burning gallery of each kiln car by first jet for gas and high pressure oxygen-adding tube
Gas, the flue gas that gas is formed after burning in the burning gallery enters the upper flue, and the charing raw material is logical in burning
Destructive distillation is carried out under the heating in road and forms carbonization product, the coal gas that destructive distillation is produced is discharged by the main chimney flue；
（3）Kiln car 4 enter it is described pressure cooling section after, it is described pressure cooling section carry out quenching and cooling after by go out
Stove.
It should be noted that used as preferred embodiment, upper flue described in the present embodiment is arranged on the tunnel type
On the wall of body of heater both sides side, and the both ends open of each burning gallery 10 adds respectively with first jet for gas and high pressure
Oxygen pipe and the upper flue 6 are connected, so that the upper flue serves the furnace chamber to the tunnel type furnace body carrying out
The effect of auxiliary heating, used as selectable embodiment, the flue can also be using arbitrary setting side in prior art
Formula, flue such as can be arranged on the lower section of the tunnel type furnace body, by one end of the burning gallery and first coal gas
Nozzle is connected with high pressure oxygen-adding tube, and the other end is by exhaust gases passes and the flue positioned at the lower section of the car tunnel furnace
It is connected.
Embodiment 2
The Tunnel-type carbonization furnace for being provided with burning gallery 10 described in the present embodiment is wrapped as shown in Fig. 3, Fig. 4 and Fig. 5
Include：
Tunnel type furnace body, on the ground in the car tunnel furnace body track 5 is provided with；
Multiple kiln cars 4, the plurality of kiln car 4 is suitable for being moved along the track 5, and the tunnel type furnace body is along kiln car 4
Moving direction is provided with Jin Yao preparation rooms 18, preheating section 1, charing section 2, pressure cooling section 3；
Flue, the flue in the present embodiment includes upper flue 6 and main chimney flue 7, and the upper flue 6 is located at the tunnel
On the both sides side wall of formula body of heater, the main chimney flue 7 is located at the top of the body of heater, and the upper flue 6 is connected with the main chimney flue 7
It is logical；
In the car tunnel furnace body, set between the both sides of the plurality of kiln car and tunnel type furnace body both sides side wall
Be equipped with sealing device, the sealing device be suitable for the upper chamber that will be positioned above and the bottom furnace chamber that is disposed below every
From wherein the upper chamber is connected with the main chimney flue；
Sealing device includes described in the present embodiment：In the sealing plate 8 that the both sides of the kiln car 4 are arranged, in the kiln car 4
The seal groove 9 arranged on the side wall of both sides, the nesting of the sealing plate 8 is arranged in the seal groove 9, the plurality of kiln car 4
Closely it is connected successively before and after sealing plate 8, by positioned at the bottom furnace chamber isolation of the upper chamber of the top of sealing plate 8 and lower section；
Burning gallery 10 is provided with each described kiln car 4, the burning gallery 10 is arranged through the kiln car 4, institute
The both ends open for stating burning gallery 10 is respectively facing the both sides side wall setting of the tunnel type furnace body, the top of the burning gallery 10
Wall is heat-conducting layer, and charing raw material is placed on the heat-conducting layer, is provided with 2 burnings in the present embodiment on each described kiln car 4
Passage 10,2 burning galleries 10 are arranged before and after the moving direction of kiln car 4；
It is additionally provided with negative pressure precombustion chamber 11, the negative pressure precombustion chamber 11 and is provided with the first jet for gas 12 and high pressure oxygenation
Pipe 13, the both ends open of each burning gallery 10 is connected respectively with the negative pressure precombustion chamber 11 and the upper flue 6, institute
State high pressure oxygen-adding tube 13 to arrange towards the blast tube；The oxygen rates sprayed in the high pressure oxygen-adding tube 13 are 6m/s.
The tunnel type furnace body is located at the furnace chamber above the sealing device and is connected with the upper flue 6.
Cooling section 3 is forced to be cooled down by the way of dry coke quenching described in the present embodiment, it is described to force cooling section 3 and institute
State and be provided with dividing plate 20 between charing section 2, the dividing plate 20 is arranged on the top of the kiln car 4, in the pressure cooling section 3
It is provided with oxygenless gas and pours pipe 19, the oxygenless gas is filled with the starting that the inlet end of pipe is arranged on the pressure cooling section 3
In place and exit and roof, oxygenless gas circulation pipe is additionally provided with the pressure cooling section 3, by the no oxygen
Body circulation pipe extracts out oxygenless gas, and with the oxygenless gas circulation pipe Ceramic dust collector and water cooling plant, Jing are connected with
Oxygenless gas after dedusting and water-cooled again by the oxygenless gas pour pipe 19 lead to it is described pressure cooling section 3 in, it is described every
Plate 20 is effectively realized forces isolating between cooling section 3 and charing section 2, it is to avoid force cooling section 3 to affect the gas of charing section 2
Atmosphere.
In the present embodiment in the adjacent burning gallery 10 of each two, the flow direction of burning gases is conversely, per adjacent
Two burning galleries 10 are as shown in Figure 3 and Figure 4.
（1）Kiln car 4 is moved along the track 5, is introduced into the Jin Yao preparation rooms 18, then by the Jin Yao preparation rooms 18 according to
It is secondary into the preheating section 1, charing section 2 and to force cooling section 3, into the preheating section 1, charing section 2 and force cooling section 3
Closely it is connected successively before and after the sealing plate 8 of multiple kiln cars 4, by positioned at the lower furnace of the upper chamber of the top of sealing plate 8 and lower section
Chamber isolates；
（2）The flue gas that the coal gas and high pressure oxygen-adding tube that first jet for gas sprays sprays fires in the mixing of negative pressure precombustion chamber
After burning, the burning gallery entered under the jet-action of the high pressure oxygen-adding tube on the kiln car of the preheating section and charing section, gas
The flue gas that body is formed after burning in the burning gallery enters the upper flue, heating of the charing raw material in burning gallery
Under carry out destructive distillation formed carbonization product, destructive distillation produce coal gas discharged by the main chimney flue；
（3）Kiln car 4 enter it is described pressure cooling section after, it is described pressure cooling section carry out quenching and cooling after by go out
Stove.
Embodiment 3
A kind of Tunnel-type carbonization furnace for being provided with burning gallery 10 described in the present embodiment as shown in fig. 6, including：
Tunnel type furnace body, on the ground in the car tunnel furnace body track 5 is provided with；
Multiple kiln cars 4, the plurality of kiln car 4 is suitable for being moved along the track 5；Along the moving direction of kiln car 4, the tunnel
Road formula retort is provided with Jin Yao preparation rooms 18, preheating section 1, charing section 2, pressure cooling section 3 and kiln discharge preparation room.This enforcement
The set-up mode of cooling section is forced described in example with embodiment 2；
Flue, the flue includes upper flue 6 and main chimney flue 7, and the upper flue 6 is located at the both sides of the tunnel type furnace body
On the wall of side, the main chimney flue 7 is located at the top of the body of heater, and the upper flue 6 is connected with the main chimney flue 7；
In the car tunnel furnace body, set between the both sides of the plurality of kiln car and tunnel type furnace body both sides side wall
Be equipped with sealing device, the sealing device be suitable for the upper chamber that will be positioned above and the bottom furnace chamber that is disposed below every
From wherein the upper chamber is connected with the main chimney flue；
Sealing device includes described in the present embodiment：In the sealing plate 8 that the both sides of the kiln car 4 are arranged, in the kiln car 4
The seal groove 9 arranged on the side wall of both sides, the nesting of the sealing plate 8 is arranged in the seal groove 9, the plurality of kiln car 4
Closely it is connected successively before and after sealing plate 8, by positioned at the bottom furnace chamber isolation of the upper chamber of the top of sealing plate 8 and lower section；
The present embodiment and the main chimney flue of the tunnel type furnace body are communicated with channel of gas collection 16, the channel of gas collection 16 with it is described
The furnace chamber of the tunnel type furnace body is connected, and with the channel of gas collection 16 electrostatic decoking device is connected with.Remove with the electrostatic
The purified gas outlet of burnt device is connected with coal gas circulation pipe, and the coal gas circulation pipe is connected with first jet for gas 12
It is logical.
Burning gallery 10 is provided with each described kiln car 4, the burning gallery 10 is arranged through the kiln car 4, institute
The both ends open for stating burning gallery 10 is respectively facing the both sides side wall setting of the tunnel type furnace body, the top of the burning gallery 10
Wall is heat-conducting layer, and charing raw material is placed on the heat-conducting layer；A burning gallery 10, each two are provided with each kiln car 4
The spacing between the burning gallery 10 on adjacent kiln car 4 is 10cm.
It is additionally provided with negative pressure precombustion chamber 11, the negative pressure precombustion chamber 11 and is provided with the first jet for gas 12 and high pressure oxygenation
Pipe 13, the both ends open of each burning gallery 10 is connected respectively with the negative pressure precombustion chamber 11 and the upper flue 6, institute
State high pressure oxygen-adding tube 13 to arrange towards the blast tube；
The tunnel type furnace body is located at the furnace chamber of the top of the seal groove 9 and is connected with the flue, the high pressure oxygenation
The oxygen rates sprayed in pipe 13 are 12m/s.
Tunnel-type carbonization furnace described in the present embodiment, with burning gallery each described branch flue 14, institute are provided with and communicated with
State burning gallery to be connected with the upper flue 6 by the branch flue 14；Arrange on the upper flue 6 and the branch flue 14
There is oxygenation port.
Gas passage 15 is provided with the side wall of the tunnel type furnace body, the gas passage 15 connects the seal groove
The furnace chamber and the negative pressure precombustion chamber 11 of 9 tops.
（1）Kiln car 4 is moved along the track 5, is introduced into the Jin Yao preparation rooms 18, then by the Jin Yao preparation rooms 18 according to
It is secondary into the preheating section 1, charing section 2 and to force cooling section 3, into the preheating section 1, charing section 2 and force cooling section 3
Closely it is connected successively before and after the sealing plate 8 of multiple kiln cars 4, by positioned at the lower furnace of the upper chamber of the top of sealing plate 8 and lower section
Chamber isolates；
（2）The flue gas that the coal gas and high pressure oxygen-adding tube that first jet for gas sprays sprays fires in the mixing of negative pressure precombustion chamber
After burning, the burning gallery entered under the jet-action of the high pressure oxygen-adding tube on the kiln car of the preheating section and charing section, gas
The flue gas that body is formed after burning in the burning gallery enters the branch flue and upper flue, and the charing raw material is logical in burning
Destructive distillation is carried out under the heating in road and forms carbonization product, the coal gas that destructive distillation is produced enters the main chimney flue, electrostatic decoking device described in Jing
After except tar removing, then coal gas circulation pipe described in Jing enters first jet for gas 12, it is achieved thereby that the profit again of dry distillation gas
With；
The present embodiment is passed through air in the upper flue 6 and the branch flue 14 by the oxygenation port, promotes flue gas
Abundant burning；
（3）Kiln car 4 enter it is described pressure cooling section after, it is described pressure cooling section carry out quenching and cooling after by go out
Stove.
Embodiment 4
A kind of Tunnel-type carbonization furnace for being provided with burning gallery 10 described in the present embodiment as shown in fig. 7, comprises：
Tunnel type furnace body, on the ground in the car tunnel furnace body track 5 is provided with；
Multiple kiln cars 4, the plurality of kiln car 4 is suitable for being moved along the track 5；Along the moving direction of kiln car 4, the tunnel
Road formula retort is provided with Jin Yao preparation rooms 18, preheating section 1, charing section 2, pressure cooling section 3 and kiln discharge preparation room.
Flue, the flue includes upper flue 6 and main chimney flue 7, and the upper flue 6 is located at the both sides of the tunnel type furnace body
On the wall of side, the main chimney flue 7 is located at the top of the body of heater, and the upper flue 6 is connected with the main chimney flue 7；
The both sides of the kiln car 4 are provided with sealing plate 8, on the side wall of the both sides of the kiln car 4 seal groove 9 are provided with,
The nesting of the sealing plate 8 is arranged in the seal groove 9, and the preheating section 1 is close with the plurality of kiln car 4 carbonized in section 2
Closely it is connected successively before and after shrouding 8, the upper chamber of the sealing plate 8 and bottom furnace chamber is isolated；The both sides of the sealing plate 8
Edge is engaged in the gap of slip filled with refractory wool with the seal groove 9, described close when being not filled by the refractory wool
It is 60mm that the both sides of the edge of shrouding 8 are engaged the gap width of slip with the seal groove 9.
The present embodiment is provided with channel of gas collection 16, the channel of gas collection 16 and the institute at the top of the tunnel type furnace body
The furnace chamber for stating tunnel type furnace body is connected, and with the channel of gas collection 16 electrostatic decoking device is connected with.With electrostatic decoking
The purified gas outlet of device is connected with coal gas circulation pipe, and the coal gas circulation pipe is connected with first jet for gas 12
It is logical.
Lower sealing plate is additionally provided with the both sides of the kiln car 4, the lower seal groove cavity is arranged on the burning gallery 10
Lower section, is provided with lower seal groove cavity on the side wall of the both sides of the kiln car 4, and the lower sealing plate nesting is arranged on the lower seal groove cavity
It is interior；Kiln car 4 described in the present embodiment also includes the two vertical seal plates arranged perpendicular to the bottom surface of the kiln car 4, described in two
Vertical seal plate is separately positioned on the outside of the close described side wall of two tracks 5 and parallel with the track 5, in institute
State tunnel cave retort two lower sidewalls or by the correspondence vertical seal plate on the bottom surface of proximal wall be provided with opening to
On sand sealing slot, the vertical seal plate extended downward in the sand sealing slot.
Burning gallery 10 is provided with each described kiln car 4, the burning gallery 10 is arranged through the kiln car 4, institute
The both ends open for stating burning gallery 10 is respectively facing the both sides side wall setting of the tunnel type furnace body, the top of the burning gallery 10
Wall is heat-conducting layer, and charing raw material is placed on the heat-conducting layer；A burning gallery 10, each two are provided with each kiln car 4
The spacing between the burning gallery 10 on adjacent kiln car 4 is 1cm.
It is additionally provided with negative pressure precombustion chamber 11, the negative pressure precombustion chamber 11 and is provided with the first jet for gas 12 and high pressure oxygenation
Pipe 13, the both ends open of each burning gallery 10 is connected respectively with the negative pressure precombustion chamber 11 and the upper flue 6, institute
State high pressure oxygen-adding tube 13 to arrange towards the blast tube；The tunnel type furnace body be located at the furnace chamber of the top of the seal groove 9 with
The flue is connected, and the oxygen rates sprayed in the high pressure oxygen-adding tube 13 are 12m/s.
Tunnel-type carbonization furnace described in the present embodiment, with air outlet each described branch flue 14 is provided with and communicated with, described
Air outlet is connected by the branch flue 14 with the upper flue 6；It is provided with the upper flue 6 and the branch flue 14 and adds
Oxygen mouth, in the upper flue 6 the second jet for gas 12 is provided with.
Gas passage 15 is provided with the side wall of the tunnel type furnace body, the gas passage 15 connects the seal groove
The furnace chamber and the negative pressure precombustion chamber 11 of 9 tops.
Tunnel-type carbonization furnace described in the present embodiment, is provided between the charing section 2 and the pressure cooling section
Isolating door 17；Draw-gear is provided with, the draw-gear is suitable for by the kiln car 4 of the isolating door 17 and kiln below
Car 4 is separated and drawn to the pressure cooling section.Cooling section is forced described in the present embodiment using the type of cooling of dry coke quenching.
It should be noted that except the sealing device in above-described embodiment, the sealing device can also take other
Meaning form, can such as be arranged on the sealing plate on the side wall, and arrange seal groove, Ran Houshe in the both sides of the kiln car
Put the sealing plate to be nested in the seal groove, as long as can realize that sealing device upper chamber and bottom furnace chamber are isolated i.e.
Can.
Obviously, above-described embodiment is only intended to clearly illustrate example, and not to the restriction of embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need to be exhaustive to all of embodiment.And the obvious change thus extended out or
Change the protection domain still in the invention.
Claims (8)
1. a kind of Tunnel-type carbonization furnace for being provided with burning gallery, including：
Tunnel type furnace body, on the ground in the car tunnel furnace body track is provided with；
Multiple kiln cars, the kiln car is suitable for being moved along the track；
Flue；
Characterized in that, in the car tunnel furnace body, in the both sides of the plurality of kiln car and tunnel type furnace body both sides side
Sealing device is provided between wall, the sealing device is suitable for the upper chamber that will be positioned above and is disposed below down
Portion's furnace chamber isolation, wherein the upper chamber is connected with the flue；
Burning gallery is provided with each described kiln car, the burning gallery is arranged on the lower section of the sealing device, described
The both ends open of burning gallery is respectively facing the both sides side wall of the tunnel type furnace body and arranges, and the roof of the burning gallery is to lead
Thermosphere, charing raw material is placed on the heat-conducting layer upper surface；
The first jet for gas and high pressure oxygen-adding tube are provided with any side of the tunnel type furnace body or both sides side wall, often
The one end open of the individual burning gallery is connected with first jet for gas and high pressure oxygen-adding tube, the high pressure oxygen-adding tube court
Arrange to the burning gallery, another end opening of the burning gallery is connected with the flue；
Negative pressure precombustion chamber, first jet for gas are provided with any side of the tunnel type furnace body or both sides side wall
It is arranged in the negative pressure pre-burning room with high pressure oxygen-adding tube, the one end open of each burning gallery and the negative pressure precombustion chamber
It is connected；
It is provided with gas passage on the side wall of the tunnel type furnace body, the gas passage connects the upper chamber and described
Negative pressure precombustion chamber.
2. the Tunnel-type carbonization furnace for being provided with burning gallery according to claim 1, it is characterised in that the flue includes
Upper flue and main chimney flue, the upper flue is connected with the main chimney flue, and the main chimney flue is located at the outside of the body of heater, described
Upper flue is arranged in the wall of tunnel type furnace body both sides side, the one end open of each burning gallery and the negative pressure pre-burning
Room is connected, and another end opening of the burning gallery is connected with the upper flue；
The upper chamber is connected with the main chimney flue.
3. the Tunnel-type carbonization furnace for being provided with burning gallery according to claim 2, it is characterised in that the negative pressure pre-burning
Room is arranged in the both sides side wall of the tunnel type furnace body, and in the adjacent burning gallery of each two, the stream of burning gases
It is dynamic in opposite direction.
4. the Tunnel-type carbonization furnace for being provided with burning gallery according to claim 1 or 2 or 3, it is characterised in that described close
Seal apparatus include：
With the sealing plate of kiln car both sides side wall connect setting；
The seal groove arranged on the wall of tunnel type furnace body both sides side, the sealing plate nesting is arranged in the seal groove,
Closely it is connected successively before and after the sealing plate of the plurality of kiln car in charing section, the upper chamber and bottom furnace chamber is isolated.
5. the Tunnel-type carbonization furnace for being provided with burning gallery according to claim 1, it is characterised in that the high pressure oxygenation
The gas velocity sprayed in pipe is 6-15m/s.
6. the Tunnel-type carbonization furnace for being provided with burning gallery according to claim 1, it is characterised in that with the tunnel type
The upper chamber of body of heater is provided with and communicated with electrostatic decoking device, the purified gas outlet of the electrostatic decoking device and first coal gas
Nozzle is connected.
7. the Tunnel-type carbonization furnace for being provided with burning gallery according to claim 2, it is characterised in that in the upper flue
Inside it is additionally provided with the second jet for gas.
8. the Tunnel-type carbonization furnace for being provided with burning gallery according to claim 5 or 7, it is characterised in that be additionally provided with：
Isolating door, the isolating door is arranged on charing section and forces between cooling section；
Draw-gear, the draw-gear be suitable for separating with kiln car below by the kiln car of the isolating door and draw to
The pressure cooling section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210360361.8A CN102863972B (en) | 2012-09-25 | 2012-09-25 | Tunnel-type carbonization furnace with burning gallery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210360361.8A CN102863972B (en) | 2012-09-25 | 2012-09-25 | Tunnel-type carbonization furnace with burning gallery |
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| CN102863972A CN102863972A (en) | 2013-01-09 |
| CN102863972B true CN102863972B (en) | 2017-05-03 |
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| CN201210360361.8A Expired - Fee Related CN102863972B (en) | 2012-09-25 | 2012-09-25 | Tunnel-type carbonization furnace with burning gallery |
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| CN103303923A (en) * | 2013-05-30 | 2013-09-18 | 石家庄新华能源环保科技股份有限公司 | Device for producing calcium carbide by using oxygen thermal method |
| CN105690529B (en) * | 2016-02-17 | 2018-05-11 | 江苏肯帝亚木业有限公司 | A kind of carbonized solid wood composite floor board surface color treatment process |
| CN113280639B (en) * | 2021-05-11 | 2022-12-13 | 凤台县天宝建材有限责任公司 | Fixed high-efficiency energy-saving tunnel kiln |
| CN113154891B (en) * | 2021-05-11 | 2022-10-25 | 凤台县天宝建材有限责任公司 | Reciprocating movable efficient energy-saving tunnel kiln |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202808696U (en) * | 2012-09-25 | 2013-03-20 | 汪振 | Tunnel-type carbonization furnace with combustion channels |
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| US3594318A (en) * | 1969-05-12 | 1971-07-20 | Ethyl Corp | Antioxidant compositions |
| CN2434306Y (en) * | 2000-10-10 | 2001-06-13 | 沈为清 | Multiple heating horizontally moving bed coke-oven |
| JP2006342301A (en) * | 2005-06-10 | 2006-12-21 | Yamamoto Co Ltd | Carbonization apparatus |
| CN202226810U (en) * | 2011-09-29 | 2012-05-23 | 贵州桑立洁净能源科技开发有限公司 | Kiln car for tunnel kiln |
| CN202379936U (en) * | 2011-12-23 | 2012-08-15 | 贵州桑立洁净能源科技开发有限公司 | Dry quenching type coal briquette carbonization furnace |
| CN102492431B (en) * | 2011-12-23 | 2014-01-22 | 贵州桑立洁净能源科技开发有限公司 | Dry coke quenching fully-enclosed continuous molded coal carbonization furnace provided with isolation area |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202808696U (en) * | 2012-09-25 | 2013-03-20 | 汪振 | Tunnel-type carbonization furnace with combustion channels |
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