CN110791306A - Continuous dry distillation pyrolysis furnace - Google Patents
Continuous dry distillation pyrolysis furnace Download PDFInfo
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- CN110791306A CN110791306A CN201911196703.5A CN201911196703A CN110791306A CN 110791306 A CN110791306 A CN 110791306A CN 201911196703 A CN201911196703 A CN 201911196703A CN 110791306 A CN110791306 A CN 110791306A
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- 238000000197 pyrolysis Methods 0.000 title claims abstract description 63
- 238000007789 sealing Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000005194 fractionation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010924 continuous production Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 230000032258 transport Effects 0.000 description 12
- 239000004058 oil shale Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 238000004523 catalytic cracking Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000004231 fluid catalytic cracking Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000003079 shale oil Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
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- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention belongs to the technical field of pyrolysis equipment, and particularly relates to a continuous dry distillation pyrolysis furnace. The continuous dry distillation pyrolysis furnace comprises a furnace body, a furnace pipe, a furnace cap, a furnace base, a furnace pipe input track, a furnace pipe output track and hoisting equipment. Under the effect of circulation of air, the material to be treated in the lower floor's stove courage can be ignited to the upper stove courage, and simultaneously, the heat in the upper stove courage also can be utilized by lower floor's stove courage, in the pyrolysis oven use, can constantly repeat above-mentioned process. The pyrolysis furnace provided in the embodiment can realize continuous production, and each furnace pipe does not need to be ignited one by one. In addition, the lower furnace pipe can utilize the heat in the upper furnace pipe, and the utilization rate of energy is improved.
Description
Technical Field
The invention belongs to the technical field of pyrolysis equipment, and particularly relates to a continuous dry distillation pyrolysis furnace.
Background
China has rich oil shale resources, and the reserve of oil shale is proved to be about more than 400 hundred million tons if converted into shale oil. Currently, for countries such as China, the produced crude oil cannot meet the requirements of the country, and a large amount of imported crude oil must be relied on. The method not only involves the national economic development, but also is related to the national energy safety problem. In the face of scarce petroleum resources, the shale oil industry should be vigorously planned and developed.
In the current oil shale dry distillation technology, in the process of Fluid Catalytic Cracking (FCC), raw oil and a catalyst are in rapid contact in a riser to carry out catalytic cracking reaction, coke generated by the reaction is deposited on the catalyst to cause the deactivation of the catalyst, and the coke-forming deactivated catalyst enters a regenerator after steam stripping to carry out coke-burning regeneration. The temperature of the flue gas generated by regeneration can reach about 700 ℃, and the energy taken away by the catalytic cracking device can account for about one fourth of the energy consumption of the whole device. The efficiency of the energy recovery of the regenerated flue gas also directly affects the energy consumption of the whole device. Namely, the problem of high energy consumption exists in the existing oil shale dry distillation process.
Disclosure of Invention
Technical problem to be solved
Aiming at the technical problems in the prior art, the invention provides a continuous dry distillation pyrolysis furnace which can solve the problem of high energy consumption in the dry distillation process of oil shale in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention adopts the main technical scheme that:
a continuous dry distillation pyrolysis furnace comprises a furnace body, a furnace pipe, a furnace cap, a furnace base, a furnace pipe input track, a furnace pipe output track and hoisting equipment;
two furnace pipe cavities are arranged in the furnace body along the vertical direction, and are respectively an upper layer furnace pipe cavity and a lower layer furnace pipe cavity;
the furnace base is arranged at the bottom of the furnace body, the furnace cap is arranged at the upper part of the furnace body, furnace liners are arranged in the upper furnace liner cavity and the lower furnace liner cavity, the furnace liner positioned in the upper furnace liner cavity is an upper furnace liner, and the furnace liner positioned in the lower furnace liner cavity is a lower furnace liner;
the upper furnace pipe is arranged at the upper part of the furnace base, the lower furnace pipe is arranged at the upper part of the upper furnace pipe, and the furnace cap cover is arranged at the upper part of the lower furnace pipe;
the furnace cap and the upper furnace pipe, the upper furnace pipe and the lower furnace pipe, and the lower furnace pipe and the base are hermetically connected;
the furnace cap is provided with an air inlet, and air entering the furnace cap from the air inlet is transmitted along the directions of the upper furnace pipe, the lower furnace pipe and the furnace base;
the furnace pipe input track is arranged corresponding to the lower furnace pipe cavity, and part of the furnace pipe input track extends into the lower furnace pipe cavity;
the furnace pipe output track is arranged corresponding to the upper furnace pipe cavity, and part of the furnace pipe output track extends into the upper furnace pipe cavity;
the hoisting device is arranged at the top of the furnace body and used for hoisting the furnace pipe or the furnace cap.
Preferably, the furnace pipe comprises a furnace pipe body, a furnace grate, a positioning groove and a positioning bulge;
the furnace pipe body is of a barrel-shaped structure with a water jacket, openings are formed in two ends of the furnace pipe body, and the grate is arranged at the opening at the lower end of the furnace pipe body;
the positioning groove is arranged along the circumferential direction of the outer side of the upper end of the furnace pipe body, and the positioning bulge is arranged along the circumferential direction of the outer side of the lower end of the furnace pipe body;
when the upper furnace pipe is arranged on the upper part of the lower furnace pipe, the positioning bulge of the upper furnace pipe is inserted in the positioning groove of the lower furnace pipe.
Preferably, a sealing ring is arranged in the positioning groove.
Preferably, the lower extreme of stove cap is provided with stove cap location arch, and when the stove cap set up in upper stove courage top, stove cap location arch pegged graft is in upper stove courage constant head tank.
Preferably, the upper end of the furnace base is provided with a furnace base positioning groove, and when the lower-layer furnace pipe is arranged above the furnace base, the positioning bulge of the lower-layer furnace pipe is inserted in the positioning groove of the furnace base.
Preferably, the furnace pipe input track comprises two input guide rails arranged in parallel and an input transport vehicle arranged on the input guide rails;
one end of the input guide rail extends into the lower furnace chamber, and the distance between the two input guide rails is larger than the maximum diameter of the furnace pipe.
Preferably, the furnace pipe output track comprises two output guide rails arranged in parallel and an output transport vehicle arranged on the output guide rails;
one end of the output guide rail extends into the upper furnace chamber, and the distance between the two output guide rails is larger than the maximum diameter of the furnace pipe.
Preferably, the hoisting equipment comprises a lifting hook and a lifting hook driving device for driving the lifting hook to lift, and the lifting hook driving device can drive the lifting hook to move into the furnace cavity.
Preferably, a fixing device is arranged in the furnace cavity, and the fixing devices are arranged at the positions corresponding to the furnace pipe and the furnace cap;
the fixing device comprises two oppositely arranged clamping blocks and a clamping block driving device for driving the two clamping blocks to open and close;
arc-shaped clamping grooves are formed in the side faces, opposite to the two clamping blocks, of the clamping blocks.
Preferably, the furnace also comprises a fractionating device, wherein the furnace base is provided with an exhaust port, and the exhaust port is communicated with the fractionating device.
(III) advantageous effects
The invention has the beneficial effects that: the pyrolysis furnace provided in the embodiment can realize continuous production, and each furnace pipe does not need to be ignited one by one. In addition, the lower furnace pipe can utilize the heat in the upper furnace pipe, and the utilization rate of energy is improved.
Drawings
FIG. 1 is a schematic structural diagram of a pyrolysis furnace according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a furnace according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a furnace according to an embodiment of the present invention;
FIG. 4 is a top view of a furnace according to an embodiment of the present invention;
FIG. 5 is a bottom view of the furnace bladder provided in accordance with an embodiment of the present invention;
FIG. 6 is a schematic view of the structure of the two furnace chambers according to the present invention;
FIG. 7 is a schematic view of the structure of the furnace and the fixing device of the present invention, wherein the fixing device is in a closed state;
FIG. 8 is a schematic view of the structure of the furnace and the fixing device in cooperation, wherein the fixing device is in an open state;
FIG. 9 is a schematic view of the structure of the upper furnace, the track and the fixing device according to the embodiment of the present invention;
FIG. 10 is a schematic view of the structure of the lower furnace, the track and the fixing device in cooperation according to the embodiment of the present invention;
fig. 11 is a flowchart illustrating the operation of the pyrolysis furnace according to the embodiment of the present invention.
[ description of reference ]
1: a furnace body; 2: a furnace pipe; 3: a furnace cap; 4: a furnace base; 5: a furnace pipe input track; 6: a furnace pipe output track; 7: hoisting equipment; 8: a fixing device;
21: an upper furnace pipe; 22: a lower furnace pipe; 23: a furnace body; 24: a grate; 25: positioning a groove; 26: positioning the projection; 27: a seal ring;
51: inputting a track; 52: inputting a transport vehicle;
61: an output guide rail; 62: outputting the transport vehicle;
71: and (4) a lifting hook.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.
As shown in fig. 1, the present embodiment provides a continuous dry distillation pyrolysis furnace, which includes a furnace body 1, a furnace pipe 2, a furnace cap 3, a furnace base 4, a furnace pipe input rail 5, a furnace pipe output rail 6, and a hoisting device 7.
In the vertical direction, two furnace pipe cavities are arranged in the furnace body 1, and the two furnace pipe cavities are an upper layer furnace pipe cavity and a lower layer furnace pipe cavity respectively.
The furnace base 4 sets up in the bottom of furnace body 1, and stove cap 3 sets up on the upper portion of furnace body 1, and upper furnace courage chamber and lower floor's furnace courage intracavity all are provided with furnace pipe 2, and the furnace pipe 2 that is located upper furnace courage intracavity is upper furnace courage 21, and the furnace pipe 2 that is located lower floor's furnace courage intracavity is lower floor's furnace courage 22.
In the present embodiment, the upper and lower of the upper and lower furnace liners 21 and 22 do not limit the furnace liners 2, but mainly to reflect the different installation positions of the two furnace liners 2, and to facilitate the following description, the upper furnace liner 21 refers to the furnace liner 2 installed in the upper furnace cavity, and the lower furnace liner 22 refers to the furnace liner 2 installed in the lower furnace cavity. During the working process of the pyrolysis furnace, the positions of the upper furnace pipe 21 and the lower furnace pipe 22 are changed, for example, the upper furnace pipe 21 is moved out of the furnace body 1, and the lower furnace pipe 22 is moved into the upper furnace chamber to become a new upper furnace pipe 21.
The upper furnace pipe 21 is placed on the upper part of the furnace base 4, the lower furnace pipe 22 is arranged on the upper part of the upper furnace pipe 21, and the furnace cap 3 covers the upper part of the lower furnace pipe 22.
The furnace cap 3 is connected with the upper furnace pipe 21, the upper furnace pipe 21 is connected with the lower furnace pipe 22, and the lower furnace pipe 22 is connected with the base 4 in a sealing way.
The furnace cap 3 is provided with an air inlet, and air entering the furnace cap 3 from the air inlet is transmitted along the directions of the upper furnace pipe 21, the lower furnace pipe 33 and the furnace base 4.
The furnace pipe input track 5 is arranged corresponding to the lower furnace pipe cavity, and part of the furnace pipe input track 5 extends into the lower furnace pipe cavity.
The furnace pipe output track 6 is arranged corresponding to the upper furnace pipe cavity, and the part of the furnace pipe output track 6 extends into the upper furnace pipe cavity.
The hoisting device 7 is arranged at the top of the furnace body 1 and is used for hoisting the furnace pipe 2 or the furnace cap 3.
In this embodiment, in the use process of the pyrolysis furnace, the material to be treated is placed in the furnace pipe 2, two furnace pipes 2 are arranged in the furnace chamber, and after the pyrolysis in the upper furnace pipe 21 is completed, the pyrolysis reaction in the lower furnace pipe 22 is still performed. After the inner part of the upper furnace pipe 21 is completely pyrolyzed, the upper furnace pipe 21 is placed on the furnace pipe output track 6 through the hoisting device 7, and the furnace pipe output track 6 transports the upper furnace pipe 21 to the outside of the furnace body 1. Hoisting device 7 promotes lower floor's furnace pipe 22 to the upper furnace intracavity, and furnace pipe input track 5 transports new furnace pipe 2 to the lower floor's furnace intracavity, and hoisting device equipment 7 places furnace pipe 2 on the furnace pipe input track 5 is in the lower floor's furnace intracavity and forms new lower floor's furnace pipe 22, and finally, places upper furnace pipe 21 in the upper end of lower floor's furnace pipe 22. The upper end of upper furnace pipe 21 is placed with stove cap 3, and under the effect of circulation of air, material to be treated in lower floor's furnace pipe 22 can be ignited to upper furnace pipe 21, and simultaneously, the heat in upper furnace pipe 21 also can be utilized by lower floor's furnace pipe 22, in the pyrolysis oven use, can constantly repeat above-mentioned process. The pyrolysis furnace provided in the embodiment can realize continuous production, and each furnace pipe 2 does not need to be ignited one by one. In addition, the lower furnace 22 can utilize the heat in the upper furnace 21, thus improving the utilization rate of energy.
In this embodiment, the continuous dry distillation pyrolysis furnace means that, through the arrangement of two furnace pipes 2, the upper furnace pipe 21 can ignite the lower furnace pipe 22, after the reaction of the upper furnace pipe 21 is completed, the upper furnace pipe 21 is moved out of the furnace body 1, the lower furnace pipe 22 is moved upwards to become a new upper furnace pipe 21, and then the new furnace pipe 2 is conveyed into the furnace body 1 to form a new lower furnace pipe 22, in the whole working process of the pyrolysis furnace, the process is repeated all the time, the working process of the pyrolysis furnace is continuous, and the furnace pipes 2 do not need to be ignited one by one.
The furnace 2 is subjected to intermittent dry distillation and pyrolysis, that is, the lower furnace 21 can utilize the heat in the upper furnace 21. The method is mainly used for dry distillation pyrolysis of oil shale, low-order lignite, oil sludge, garbage and hydrogen-carbon-containing substances.
The furnace pipe 2 comprises a furnace pipe body 23, a furnace grate 24, a positioning groove 25 and a positioning bulge 26.
The furnace body 23 has a barrel-shaped structure having a water jacket, and the furnace body 23 is provided with the water jacket, and the water jacket is filled with water, thereby achieving a heat insulating effect.
Both ends of the furnace pipe body 23 are provided with openings, and the grate 24 is arranged at the opening at the lower end of the furnace pipe body 23. The furnace pipe body 23 is provided with openings at two ends, so that the adjacent furnace pipes can be communicated, and the grate 24 can support the reactant to be reacted in the furnace pipe 2.
The positioning groove 25 is arranged along the circumferential direction of the outer side of the upper end of the furnace pipe body 23, and the positioning protrusion 26 is arranged along the circumferential direction of the outer side of the lower end of the furnace pipe body 23.
When the upper furnace pipe 21 is arranged at the upper part of the lower furnace pipe 22, the positioning bulge 26 of the upper furnace pipe 21 is inserted in the positioning groove 25 of the lower furnace pipe 22.
A sealing ring 27 is arranged in the positioning groove 25.
The cooperation between them is realized through pegging graft between protruding 26 of location and the constant head tank 25 between upper stove courage 21 and the lower floor stove courage 22, in addition, through set up sealing washer 27 in constant head tank 25, can improve the leakproofness between two stove courages 2. It should be noted that the sealing ring 27 is a common structure in the prior art, and in the actual use process, a high-temperature resistant and fire-resistant sealing ring is selected.
Stove cap 3
The circumference in the lower extreme outside of stove cap 3 is provided with stove cap location arch, and when the stove cap set up in upper stove courage 21 top, stove cap location arch pegged graft is in upper stove courage 21 constant head tank. It should be noted that, in order to improve the adaptability of the furnace cap 3 and the furnace pipe 2, the structure of the furnace pipe positioning protrusion is the same as the structure of the positioning protrusion on the furnace pipe 2, and the difference between the two is that the positioning protrusion is arranged at different positions, one is arranged on the furnace pipe 2 and the other is arranged on the furnace cap 3.
The furnace cap 3 is a barrel-shaped structure with an opening at the lower end, and the furnace pipe 2 is hermetically connected with the furnace cap 3 by arranging the positioning bulge on the furnace cap to be inserted in the positioning groove of the furnace pipe.
The circumference in the upper end outside of furnace seat 4 is provided with the furnace seat constant head tank, and when lower floor's stove courage 22 set up in furnace seat 4 top, lower floor's stove courage 22's location arch is pegged graft in the constant head tank of furnace seat 4. In order to improve the adaptability of the furnace base 4 and the furnace pipe 2, the structural forms of the positioning groove of the furnace base on the furnace base 4 and the positioning groove on the furnace pipe 2 are consistent, and the difference between the positioning groove and the positioning groove is that the positions are different, one is arranged on the furnace pipe 2, and the other is arranged on the furnace base 4.
The furnace base 4 is a barrel-shaped structure with an opening at the upper end, and the furnace base positioning groove is arranged on the furnace base 4, and the positioning bulge on the furnace pipe 2 is inserted in the furnace base positioning groove to realize the sealing between the furnace pipe 2 and the furnace base 4.
Furnace pipe input rail 5
Referring to fig. 10, the furnace input track 5 includes two input rails 51 arranged in parallel, and an input carrier 52 arranged on the input rails.
One end of the input guide rail 51 extends into the lower furnace chamber, and the distance between the two input guide rails 51 is larger than the maximum diameter of the furnace pipe 2. The distance between the input guide rails 51 is larger than the maximum diameter of the furnace pipe 2, so that the furnace pipe 2 can penetrate through the furnace pipe 2 in the hoisting process of the furnace pipe 2.
Furnace pipe output rail 6
Referring to fig. 9, the furnace delivery track 6 includes two delivery rails 61 arranged in parallel, and a delivery carriage 62 disposed on the delivery rails 61.
One end of the output guide rails 61 extends into the upper furnace chamber, and the distance between the two output guide rails 61 is larger than the maximum diameter of the furnace pipe 2. The distance between the output guide rails 61 is larger than the maximum diameter of the furnace pipe 2, so that the furnace pipe 2 can penetrate through the furnace pipe 2 in the hoisting process of the furnace pipe 2.
Hoisting device 7
The hoisting device 7 comprises a hook 71 and a hook driving device for driving the hook to lift, wherein the hook driving device can drive the hook 71 to move into the furnace chamber. The hoisting driving device comprises a vertical driving device and a horizontal moving device, the horizontal driving device is arranged on the furnace body 1, and the vertical driving device is arranged on the horizontal driving device. The horizontal driving device can drive the vertical driving device to move along the radial direction of the furnace pipe 2, and the vertical driving device can drive the lifting hook 71 to move in the vertical direction. The horizontal drive means may be a lead screw and nut mechanism, e.g. the vertical drive means may be provided on the nut. The vertical driving device can be a screw nut mechanism, an electric hoist and the like, and the lifting hook can be arranged on a nut of the vertical driving device or a steel wire rope.
When the hoisting device 7 hoists the furnace pipe 2 and the furnace cap 3, the horizontal driving device firstly drives the lifting hook 71 to move along the horizontal direction, so that the lifting hook 71 is close to the furnace pipe 2 or the furnace cap 3, and then the vertical driving device drives the lifting hook 71 to ascend to hook the furnace pipe 2 or the furnace cap 3. When the hoisting device 7 is separated from the furnace pipe 2 and the furnace cap 3, firstly the vertical driving device drives the hook 71 to descend to separate the hook 71 from the furnace pipe 2 or the furnace cap 3, and then the horizontal driving device drives the hook 71 (the horizontal driving device drives the hook 71 to move through the vertical driving device) to move along the horizontal direction to make the hook 71 far away from the furnace pipe 2 or the furnace cap 3. It should be noted that the furnace pipe 2 or the furnace cap 3 has a structure matched with the hook 71. Like the constant head tank on the furnace pipe 2, because the constant head tank on the furnace pipe 2 is established and is set up along furnace pipe lateral wall circumference, the constant head tank is the protrusion and sets up in furnace pipe 2 promptly, and the outside limit of constant head tank can be caught on to lifting hook 71.
In this embodiment, three hoisting devices are included, and the three hoisting devices are a first hoisting device, a second hoisting device and a third hoisting device, respectively.
After the reaction of the upper furnace pipe 21 is finished, firstly, the furnace cap 3 is hoisted by adopting first hoisting equipment, then, the upper furnace pipe 21 is hoisted by adopting second hoisting equipment, the output transport vehicle 62 is moved into the upper furnace chamber along the guide rail, then, the upper furnace pipe 21 is moved to the output transport vehicle 62 by the second hoisting equipment, and the second hoisting equipment is separated from the upper furnace pipe 21. The output transport cart 62 moves the upper furnace shell 21 out of the upper furnace chamber.
The second hoisting device moves the lower furnace 22 to the upper furnace chamber to form a new upper furnace 21, the input transport vehicle 52 transports the new furnace 2 to the lower furnace chamber, the third hoisting device hoists the new furnace 2, and then the input transport vehicle 52 leaves the lower furnace chamber. The third hoisting equipment places a new furnace pipe 2 above the furnace base 4 to form a new lower furnace pipe 22, the second hoisting equipment places the previous lower furnace pipe 22 above the new lower furnace pipe 22 to form a new upper furnace pipe 21, and the first hoisting equipment places the furnace cap 3 above the upper furnace pipe 21.
Fastening device 8
The furnace cavity is also internally provided with a fixing device 8, and the positions corresponding to the furnace pipe 2 and the furnace cap 3 are both provided with the fixing device 8.
The fixing device 8 comprises two oppositely arranged clamping blocks and a clamping block driving device for driving the two clamping blocks to open and close, and the driving device can be an air cylinder, an electric cylinder and the like.
Arc-shaped clamping grooves are formed in the side faces, opposite to the two clamping blocks, of the clamping blocks.
In the hoisting process of the furnace pipe 2, the two clamping blocks are separated, and the furnace pipe can move up and down. After the furnace pipe is hoisted, the two clamping blocks move relatively to tighten the furnace pipe, so that the furnace pipe 2 is positioned.
Fractionating device
The continuous dry distillation pyrolysis furnace also comprises a fractionating device, wherein the furnace seat 4 is provided with an exhaust port, and the exhaust port is communicated with the fractionating device. The fractionation device can realize the separation of pyrolysis products, and the device is an existing device.
The technical principles of the present invention have been described above in connection with specific embodiments, which are intended to explain the principles of the present invention and should not be construed as limiting the scope of the present invention in any way. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive efforts, which shall fall within the scope of the present invention.
Claims (10)
1. A continuous dry distillation pyrolysis furnace is characterized by comprising a furnace body, a furnace pipe, a furnace cap, a furnace base, a furnace pipe input track, a furnace pipe output track and hoisting equipment;
two furnace pipe cavities are arranged in the furnace body along the vertical direction, and are respectively an upper layer furnace pipe cavity and a lower layer furnace pipe cavity;
the furnace base is arranged at the bottom of the furnace body, the furnace cap is arranged at the upper part of the furnace body, furnace liners are arranged in the upper furnace liner cavity and the lower furnace liner cavity, the furnace liner positioned in the upper furnace liner cavity is an upper furnace liner, and the furnace liner positioned in the lower furnace liner cavity is a lower furnace liner;
the upper furnace pipe is arranged at the upper part of the furnace base, the lower furnace pipe is arranged at the upper part of the upper furnace pipe, and the furnace cap cover is arranged at the upper part of the lower furnace pipe;
the furnace cap and the upper furnace pipe, the upper furnace pipe and the lower furnace pipe, and the lower furnace pipe and the base are hermetically connected;
the furnace cap is provided with an air inlet, and air entering the furnace cap from the air inlet is transmitted along the directions of the upper furnace pipe, the lower furnace pipe and the furnace base;
the furnace pipe input track is arranged corresponding to the lower furnace pipe cavity, and part of the furnace pipe input track extends into the lower furnace pipe cavity;
the furnace pipe output track is arranged corresponding to the upper furnace pipe cavity, and part of the furnace pipe output track extends into the upper furnace pipe cavity;
the hoisting device is arranged at the top of the furnace body and used for hoisting the furnace pipe or the furnace cap.
2. The continuous dry-distillation pyrolysis furnace of claim 1, wherein the furnace comprises a furnace body, a grate, a positioning groove and a positioning protrusion;
the furnace pipe body is of a barrel-shaped structure with a water jacket, openings are formed in two ends of the furnace pipe body, and the grate is arranged at the opening at the lower end of the furnace pipe body;
the positioning groove is arranged along the circumferential direction of the outer side of the upper end of the furnace pipe body, and the positioning bulge is arranged along the circumferential direction of the outer side of the lower end of the furnace pipe body;
when the upper furnace pipe is arranged on the upper part of the lower furnace pipe, the positioning bulge of the upper furnace pipe is inserted in the positioning groove of the lower furnace pipe.
3. The continuous dry-distillation pyrolysis furnace of claim 2, wherein a sealing ring is disposed in the positioning groove.
4. The continuous dry distillation pyrolysis furnace of claim 2, wherein the lower end of the furnace cap is provided with a furnace cap positioning protrusion, and when the furnace cap is arranged above the upper furnace pipe, the furnace cap positioning protrusion is inserted into the upper furnace pipe positioning groove.
5. The continuous dry distillation pyrolysis furnace of claim 2, wherein the upper end of the furnace base is provided with a furnace base positioning groove, and when the lower furnace pipe is arranged above the furnace base, the positioning protrusion of the lower furnace pipe is inserted into the positioning groove of the furnace base.
6. The continuous dry-distillation pyrolysis furnace of claim 1, wherein the furnace input track comprises two parallel input guide rails and an input transport vehicle arranged on the input guide rails;
one end of the input guide rail extends into the lower furnace chamber, and the distance between the two input guide rails is larger than the maximum diameter of the furnace pipe.
7. The continuous dry distillation pyrolysis furnace of claim 1, wherein the furnace output track comprises two output guide rails arranged in parallel, and an output transport vehicle arranged on the output guide rails;
one end of the output guide rail extends into the upper furnace chamber, and the distance between the two output guide rails is larger than the maximum diameter of the furnace pipe.
8. The continuous dry distillation pyrolysis furnace of claim 1, wherein the hoisting device comprises a hook, and a hook driving device for driving the hook to ascend and descend, and the hook driving device can drive the hook to move into the furnace cavity.
9. The continuous dry distillation pyrolysis furnace of claim 1, wherein a fixing device is further arranged in the furnace cavity, and the fixing device is arranged at the position corresponding to the furnace pipe and the furnace cap;
the fixing device comprises two oppositely arranged clamping blocks and a clamping block driving device for driving the two clamping blocks to open and close;
arc-shaped clamping grooves are formed in the side faces, opposite to the two clamping blocks, of the clamping blocks.
10. The continuous dry-distillation pyrolysis furnace of claim 1, further comprising a fractionation device, wherein the furnace base is provided with an exhaust port, and the exhaust port is communicated with the fractionation device.
Priority Applications (1)
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| CN201911196703.5A CN110791306A (en) | 2019-11-29 | 2019-11-29 | Continuous dry distillation pyrolysis furnace |
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| CN201911196703.5A CN110791306A (en) | 2019-11-29 | 2019-11-29 | Continuous dry distillation pyrolysis furnace |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202274617U (en) * | 2011-10-13 | 2012-06-13 | 何丰胜 | Multilayered circulatory energy-saving boiler |
| CN105950189A (en) * | 2016-04-19 | 2016-09-21 | 咸阳盘州现代农业有限公司 | Carbonization furnace used for destructive distillation |
| CN109504414A (en) * | 2018-12-14 | 2019-03-22 | 王太斌 | A kind of multiple field carbonization furnace |
| CN211367474U (en) * | 2019-11-29 | 2020-08-28 | 李光耀 | Continuous dry distillation pyrolysis furnace |
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2019
- 2019-11-29 CN CN201911196703.5A patent/CN110791306A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202274617U (en) * | 2011-10-13 | 2012-06-13 | 何丰胜 | Multilayered circulatory energy-saving boiler |
| CN105950189A (en) * | 2016-04-19 | 2016-09-21 | 咸阳盘州现代农业有限公司 | Carbonization furnace used for destructive distillation |
| CN109504414A (en) * | 2018-12-14 | 2019-03-22 | 王太斌 | A kind of multiple field carbonization furnace |
| CN211367474U (en) * | 2019-11-29 | 2020-08-28 | 李光耀 | Continuous dry distillation pyrolysis furnace |
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