CN203095971U - Externally heated vertical type circular destructive distillation furnace - Google Patents
Externally heated vertical type circular destructive distillation furnace Download PDFInfo
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- CN203095971U CN203095971U CN 201320061633 CN201320061633U CN203095971U CN 203095971 U CN203095971 U CN 203095971U CN 201320061633 CN201320061633 CN 201320061633 CN 201320061633 U CN201320061633 U CN 201320061633U CN 203095971 U CN203095971 U CN 203095971U
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Abstract
The utility model discloses an externally heated vertical type circular destructive distillation furnace comprising a vertical type circular furnace body (1), a rotating feeding device (2) and a discharging device (3), wherein carbonization chambers (4) and combustion chambers (5) are alternately distributed in the vertical type circular furnace body (1); a destructive distillation product outlet (6) is respectively arranged at the upper end of each carbonization chamber (4); a support post (8) is arranged at the center of the vertical type circular furnace body (1); the discharging device (3) is installed at the bottom of the support post (8); the rotating feeding device (2) is installed on the top of the support post (8); an auxiliary stock bin (9) and a coal storage bin (10) are respectively arranged on the top of each carbonization chamber (4); and the auxiliary stock bins (9) are connected with the coal storage bins (10). A structural style with alternately distributed carbonization chambers and combustion chambers is adopted by the externally heated vertical type circular destructive distillation furnace, and therefore, the destructive distillation furnace is compact in structure, the carbonization chambers are uniformly heated, the quality of raw coke oven gas can be effectively improved, and the yearly output of semi-coke can reach up to 300,000 tons.
Description
Technical field
The utility model relates to the circular gas retort of particularly a kind of outer hot vertical type of a kind of gas retort.
Background technology
At present, the gas retort that China uses mostly is the internal thermal upright stove greatly, have advantages such as reliable, that fuel tolerance is strong, but because the internal thermal upright stove is with hot flue gas direct heating carbonized material, therefore, upright furnace outlet destructive distillation product is that raw gas is the mixed gas of heating flue gas with dry distillation gas, has increased the raw gas derived quantity, reduce the raw gas quality, increased the load of recovery system.
In the existing vertical type gas retort technology, be subjected to the restriction of feed and drawing mechanism etc., the separate unit scale is difficult to break through 100,000 tons/year, if can develop the vertical type gas retort of ten thousand tons/year of separate unit scale 20-30, and take into full account operational condition, with dry distillation gas and tar is major product, and blue charcoal is a byproduct, will produce great effect to whole coal low-temperature pyrolysis industry.
The utility model content
The purpose of this utility model is, provide a kind of outer hot vertical type circular gas retort, it adopts the structure formation of coking chamber and the alternate layout in combustion chamber, not only makes gas retort compact construction, coking chamber be heated evenly, and can effectively improve the raw gas calorific value, increase gas retort output.
The technical solution of the utility model: the circular gas retort of a kind of outer hot vertical type, comprise the circular body of heater of vertical type, rotation feeding device and drawing mechanism, alternate coking chamber and the combustion chamber of being furnished with in the circular body of heater of vertical type, each coking chamber upper end is equipped with the outlet of destructive distillation product, the central position of the circular body of heater of vertical type is provided with pillar stiffener, drawing mechanism is installed in the bottom of pillar stiffener, and the rotation feeding device is installed in the top of pillar stiffener; The top of each coking chamber is equipped with auxiliary feed bin and coal store, and auxiliary feed bin is connected with coal store.The alternate layout with the combustion chamber of coking chamber in the circular gas retort, compact construction not only takes up an area of for a short time, and can realize the thermally equivalent of coking chamber better.
In the circular gas retort of aforesaid this outer hot vertical type, two side walls in the coking chamber are provided with the zig-zag furnace wall.Adopt the zig-zag furnace wall can effectively prevent the furnace wall slagging scorification, increase ventilation property in the stove.
In the circular gas retort of aforesaid this outer hot vertical type, be equipped with regenerator in each combustion chamber, regenerator is located at the bottom of combustion chamber, and the inside of combustion chamber is divided into combustion channels and exhaust gases passes by partition wall, combustion channels and the exhaust gases passes top UNICOM in the combustion chamber.Regenerator is set in the combustion chamber, realize the heat exchange of flue gas with coal gas and combustion air, reclaim flue gas heat effectively, top, combustion chamber is divided into combustion channels and exhaust gases passes, after coal gas and the preheating of combustion air process regenerator, enter combustion channels burning, the flue gas that burning produces enters regenerator through exhaust gases passes, discharges out of the furnace after emitting heat.
In the circular gas retort of aforesaid this outer hot vertical type, be provided with the coal valve between auxiliary feed bin and the coal store.Adopt this structure can guarantee the pressure-stabilisation that coking chamber is interior effectively, prevent the coal gas anti-channeling.
In the circular gas retort of aforesaid this outer hot vertical type, described rotation feeding device comprises cantilever, support platform, the funnel that connects material, funnel platform and conveyor connect material, support platform is fixed on the top of pillar stiffener, fixedly center pillar and rotary drive motor and support platform are rotationally connected cantilever by cantilever, cantilever and the cantilever fixedly top of center pillar link position are provided with the funnel platform that connects material, the funnel platform that connects material is provided with the funnel that connects material, conveyor is located on the cantilever, also be provided with the conveyor drive-motor on the cantilever, the main drive shaft on the conveyor is connected with the conveyor drive-motor; One end of cantilever is provided with the coking chamber funnel the other end that connects material and is provided with counterweight.
In the circular gas retort of aforesaid this outer hot vertical type, drawing mechanism comprises discharging disk, outfeed belt machine, scraper and rotating machine, discharging disk is located at the bottom of pillar stiffener, discharging disk and pillar stiffener are rotationally connected, scraper is located at the top of discharging disk, and an end of outfeed belt machine is located at the below of scraper; Rotating machine is located at the side of discharging disk, and discharging disk is connected with rotating machine, and rotating machine drives the discharging disk rotation by geartransmission.Adopt this drawing mechanism, solved the problem of coking chamber circle distribution blanking centralized collection effectively.
Compared with prior art, because the utility model adopts the structure formation of coking chamber and the alternate layout in combustion chamber, adopt this external-heat type of heating, the heating flue gas does not mix with dry distillation gas, therefore raw gas promptly is a dry distillation gas, and in the raw gas composition of generation, hydrogen and carbon monoxide content can reach more than 60%, for follow-up raw gas processing unit (plant) provides the fine unstripped gas, and the raw gas calorific value is more than 2 times of traditional internal thermal upright stove raw gas calorific value.Owing to adopt structure formation of the present utility model, make the blue charcoal annual production of vertical type gas retort separate unit reach as high as 300,000 tons in addition, compared great advance with hot gas retort in traditional vertical type.
Because the utility model is provided with the rotation feeding device, make the circular body of heater of vertical type to advance coal more convenient, quick.
Because regenerator is set in the combustion chamber, realize the heat exchange of flue gas with coal gas and combustion air, reclaim flue gas heat effectively.
In addition, the coal valve is set and has effectively prevented coking chamber coal gas anti-channeling.The problem that discharging disk efficiently solves the bad centralized collection of coking chamber circle distribution blanking is set.
Through constantly contrast in engineering practice, the technician has done a contrast with the product of hot vertical type gas retort in the utility model and the tradition, as following table:
The upright gas retort coal gas of inside and outside hot type is formed contrast
Can be analyzed by last table and to draw, raw gas calorific value of the present utility model is more than 2 times of traditional internal thermal upright gas retort, and blue charcoal annual production can reach 300,000 tons.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present utility model;
Fig. 2 is the cross section structure synoptic diagram of the circular body of heater of vertical type;
Fig. 3 is the internal structure synoptic diagram of combustion chamber;
Fig. 4 is the structural representation of coking chamber furnace wall;
Fig. 5 is the structural representation of rotation feeding device.
Being labeled as in the accompanying drawing: the circular body of heater of 1-vertical type, 2-rotates feeding device, 3-drawing mechanism, the 4-coking chamber, 5-combustion chamber, the outlet of 6-destructive distillation product, the 7-regenerator, the 8-pillar stiffener, 9-assists feed bin, the 10-coal store, 11-furnace wall, 12-partition wall, the 13-combustion channels, 14-exhaust gases passes, 15-coal valve, the 16-cantilever, 17-support platform, the 18-funnel that connects material, the 19-funnel platform that connects material, the 20-conveyor, the 21-cantilever is center pillar fixedly, the 22-rotary drive motor, 23-conveyor drive-motor, 24-main drive shaft, the 25-coking chamber funnel that connects material, 26-counterweight, 27-outfeed belt machine, the 28-discharging disk, 29-scraper, 30-rotating machine.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples, but not as the foundation of the utility model being done any restriction.
Embodiment of the present utility model: as depicted in figs. 1 and 2, the circular gas retort of a kind of outer hot vertical type, comprise the circular body of heater 1 of vertical type, rotation feeding device 2 and drawing mechanism 3, alternate coking chamber 4 and the combustion chamber 5 of being furnished with in the circular body of heater 1 of vertical type, each coking chamber 4 upper end is equipped with destructive distillation product outlet 6, the central position of the circular body of heater 1 of vertical type is provided with pillar stiffener 8, and drawing mechanism 3 is installed in the bottom of pillar stiffener 8, and rotation feeding device 2 is installed in the top of pillar stiffener 8; The top of each coking chamber 4 is equipped with auxiliary feed bin 9 and coal store 10, and auxiliary feed bin 9 is connected with coal store 10.
As shown in Figure 4, two side walls in the coking chamber 4 are provided with zig-zag furnace wall 11.
As shown in Figure 3, be equipped with regenerator 7 in each combustion chamber 5, regenerator 7 is located at the bottom of combustion chamber 5, and the inside of combustion chamber 5 is divided into combustion channels 13 and exhaust gases passes 14 by partition wall 12, combustion channels 13 and the exhaust gases passes 14 top UNICOM in combustion chamber 5.
As shown in Figure 5, rotation feeding device 2 comprises cantilever 16, support platform 17, funnel 18 connects material, funnel platform 19 and conveyor 20 connect material, support platform 17 is fixed on the top of pillar stiffener 8, cantilever 16 by cantilever fixedly center pillar 21 and rotary drive motor 22 be rotationally connected with support platform 17, cantilever 16 fixedly is provided with the funnel platform 19 that connects material in the top of center pillar 21 link positions with cantilever, the funnel platform 19 that connects material is provided with the funnel 18 that connects material, conveyor 20 is located on the cantilever 16, also be provided with conveyor drive-motor 23 on the cantilever 16, the main drive shaft 24 on the conveyor 20 is connected with conveyor drive-motor 23; One end of cantilever 16 is provided with coking chamber funnel 25 the other ends that connect material and is provided with counterweight 26.
Principle of work of the present utility model: feed coal is added the funnel 18 that connects material, feed coal is scattered on the conveyor 20 through the funnel 18 that connects material, by the rotation feeding device 2 cantilever 16 through 360 ° of rotations, by conveyor 20 feed coal is delivered to each coking chamber 4, feed coal is from first falling into the coking chamber funnel 25 that connects material after conveyor 20 falls, fall into coal store 10 by the coking chamber funnel 25 that connects material, the bottom of coal store 10 is provided with coal valve 15, operational throughput by coal valve 15 control feed coals, the feed coal that falls from coal store 10 enters the auxiliary feed bin 9 that is connected with coal valve 15, finally enters coking chamber 4 by auxiliary feed bin 9.In combustion chamber 5 under the indirect heating effect of hot flue gas, feed coal slowly moves down in coking chamber 4, at first enter the preheating section that is positioned at coking chamber 4 tops, feed coal enters retort section after preheating section is preheating to 200 ℃～330 ℃, the retort section temperature is 600 ℃～700 ℃, and feed coal decomposes and generation raw gas and blue charcoal in retort section; The destructive distillation product outlet 6 of raw gas by coking chamber 4 upper ends enters and cools back receiving apparatus, obtains tar and raw gas product; Blue charcoal continues descending, by the cooling section of coking chamber 4 bottoms, is cooled to 250 ℃～350 ℃, then enters coke discharge box; The equipment water jetting cooler that is provided with by the coke discharge box both sides cools off, and the discharging disk 28 through the circular body of heater of vertical type 1 bottom enters outfeed belt machine 27 then, and blue charcoal product is sent system.
Wherein, the principle of work of regenerator is, coal gas and combustion air through regenerator (the regenerator arrow upward to a side see Fig. 3) after the preheating, entering combustion channels 13 burns, the flue gas that burning produces enters regenerator opposite side (as a side of arrow downward direction among Fig. 3) through exhaust gases passes 14, discharges out of the furnace after emitting heat.Through after the regular hour, the commutation of the gas of regenerator 7 both sides, promptly coal gas and combustion air are discharged side through former flue gas and are entered the heat of absorption regenerator 7; Flue gas is discharged through crude gas and combustion air approaching side, reaches the purpose of accumulation of heat.
Wherein, the principle of work of rotation feeding device is according to the time and the coal amount of the required coal of coking chamber, to adjust the velocity of rotation and the conveyor rotating speed of cantilever 16, regularly the quantitative feed coal of interpolation in the funnel 18 that connects material.Feed coal adds funnel 18 backs that connect material to and is scattering on the conveyor 20 along the funnel 18 that connects material, conveyor 20 is transported to feed coal cantilever 16 under the drive of conveyor drive-motor 23 the coking chamber funnel 25 that connects material (is annotated: can also can pass through belt transmission by chain gear between conveyor 20 and the conveyor drive-motor 23.) according to the time that configures, when cantilever 16 passes through the coal store 10 of charring furnaces 4 tops, accurately locate and the startup feeding system, quantitative feed coal joins in the coal store 10 by the funnel 25 that connects material, feed coal in the coal store 10 falls into auxiliary feed bin 9 in the effect of coal valve 15, and then joins in the charring furnace 4.In addition, in conveyor 20 work, cantilever 16 is done 360 degree rotations (cantilever stopped the rotation when fixed point was reinforced) under the drive of rotary drive motor 22.
Claims (6)
1. circular gas retort of outer hot vertical type, it is characterized in that: comprise the circular body of heater (1) of vertical type, rotation feeding device (2) and drawing mechanism (3), alternate coking chamber (4) and combustion chamber (5) of being furnished with in the circular body of heater of vertical type (1), each coking chamber (4) upper end is equipped with destructive distillation product outlet (6), the central position of the circular body of heater of vertical type (1) is provided with pillar stiffener (8), drawing mechanism (3) is installed in the bottom of pillar stiffener (8), and rotation feeding device (2) is installed in the top of pillar stiffener (8); The top of each coking chamber (4) is equipped with auxiliary feed bin (9) and coal store (10), and auxiliary feed bin (9) is connected with coal store (10).
2. the circular gas retort of a kind of outer hot vertical type according to claim 1, it is characterized in that: two side walls in the coking chamber (4) are provided with zig-zag furnace wall (11).
3. the circular gas retort of a kind of outer hot vertical type according to claim 1, it is characterized in that: be equipped with regenerator (7) in each combustion chamber (5), regenerator (7) is located at the bottom of combustion chamber (5), the inside of combustion chamber (5) is divided into combustion channels (13) and exhaust gases passes (14) by partition wall (12), combustion channels (13) and the top UNICOM of exhaust gases passes (14) in combustion chamber (5).
4. the circular gas retort of a kind of outer hot vertical type according to claim 1 is characterized in that: be provided with coal valve (15) between auxiliary feed bin (9) and the coal store (10).
5. the circular gas retort of a kind of outer hot vertical type according to claim 1, it is characterized in that: described rotation feeding device (2) comprises cantilever (16), support platform (17), funnel (18) connects material, funnel platform (19) and conveyor (20) connect material, support platform (17) is fixed on the top of pillar stiffener (8), fixedly center pillar (21) and rotary drive motor (22) are rotationally connected with support platform (17) cantilever (16) by cantilever, cantilever (16) fixedly is provided with the funnel platform (19) that connects material in the top of center pillar (21) link position with cantilever, the funnel platform (19) that connects material is provided with the funnel that connects material (18), conveyor (20) is located on the cantilever (16), also be provided with conveyor drive-motor (23) on the cantilever (16), the main drive shaft (24) on the conveyor (20) is connected with conveyor drive-motor (23); One end of cantilever (16) is provided with the coking chamber funnel (25) that connects material, and the other end is provided with counterweight (26).
6. the circular gas retort of a kind of according to claim 1 or 5 outer hot vertical type, it is characterized in that: drawing mechanism (3) comprises discharging disk (28), outfeed belt machine (27), scraper (29) and rotating machine (30), discharging disk (28) is located at the bottom of pillar stiffener (8), discharging disk (28) is rotationally connected with pillar stiffener (8), scraper (29) is located at the top of discharging disk (28), and an end of outfeed belt machine (27) is located at the below of scraper (29); Rotating machine (30) is located at the side of discharging disk (28), and discharging disk (28) is connected with rotating machine (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320061633 CN203095971U (en) | 2013-02-01 | 2013-02-01 | Externally heated vertical type circular destructive distillation furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320061633 CN203095971U (en) | 2013-02-01 | 2013-02-01 | Externally heated vertical type circular destructive distillation furnace |
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| Publication Number | Publication Date |
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| CN203095971U true CN203095971U (en) | 2013-07-31 |
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| CN 201320061633 Expired - Fee Related CN203095971U (en) | 2013-02-01 | 2013-02-01 | Externally heated vertical type circular destructive distillation furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103087727A (en) * | 2013-02-01 | 2013-05-08 | 华电重工股份有限公司 | External-heat vertical cylindrical dry-distillation furnace and application method thereof |
-
2013
- 2013-02-01 CN CN 201320061633 patent/CN203095971U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103087727A (en) * | 2013-02-01 | 2013-05-08 | 华电重工股份有限公司 | External-heat vertical cylindrical dry-distillation furnace and application method thereof |
| CN103087727B (en) * | 2013-02-01 | 2014-09-03 | 华电重工股份有限公司 | External-heat vertical cylindrical dry-distillation furnace and application method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20210201 |
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| CF01 | Termination of patent right due to non-payment of annual fee |