CN102994104A - Coal pyrolysis furnace - Google Patents

Coal pyrolysis furnace Download PDF

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Publication number
CN102994104A
CN102994104A CN2011104534644A CN201110453464A CN102994104A CN 102994104 A CN102994104 A CN 102994104A CN 2011104534644 A CN2011104534644 A CN 2011104534644A CN 201110453464 A CN201110453464 A CN 201110453464A CN 102994104 A CN102994104 A CN 102994104A
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China
Prior art keywords
coal
heat decomposition
decomposition stove
refractory materials
coal heat
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CN2011104534644A
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Chinese (zh)
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CN102994104B (en
Inventor
王新民
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山西鑫立能源科技有限公司
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Priority to CN201110453464.4A priority Critical patent/CN102994104B/en
Publication of CN102994104A publication Critical patent/CN102994104A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • Y02P20/129Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Abstract

The invention relates to a coal pyrolysis furnace which comprises a coal inlet device (1) of the coal pyrolysis furnace, a coal preheating device (2) of the coal pyrolysis furnace, a preheated coal feeding device (3) of the coal pyrolysis furnace, a coal heating device (4) of the coal pyrolysis furnace, a coke modification device (5) of the coal pyrolysis furnace, a coke dry quenching device (6) of the coal pyrolysis furnace and a coke push and discharge device (7) of the coal pyrolysis furnace. A thermal circulation continuous coking process can utilize waste heat to dry and preheat coal fed into the furnace, thereby lowering energy consumption and reducing the generation of smoke dust; the oil gas yield is increased, no circulating water is used, no fresh water is consumed, no waste water or waste residue is generated, and the up-to-standard discharge of tail gas can be achieved through a bag-type dust remover; and the coal is conditioned, thereby widening coal types and coal sources, improving the coke quality and increasing the oil gas field. By utilizing a thermal circulation continuous coke furnace, the raw coal cost is lowered by 200 Yuan; the benefit of chemical products, methane gas, hydrogen gas and combustion gas can be increased by 700 Yuan; the profit for the production of one ton of coke can be up to 900 Yuan; and the profit and tax of a coking scale with an annual production of million tons can be up to 90 million Yuan.

Description

Coal heat decomposition stove
Technical field
The invention belongs to a kind of pit kiln, be specifically related to a kind of coal heat decomposition stove.
Background technology
There are serious superfluous, the various problems such as industrial concentration is lower, industrial pattern is unreasonable, the comprehensive utilization of resources level is not high, environmental pollution of production capacity in Coke Industry at present.Coking coal resource is in short supply now, coal price goes up, the coal chemical enterprise loss is larger; The tradition coke making process, resource utilization is low, and intermittent type is coaling, and can't eliminate serious environmental pollution, and along with standard of living improves, environmental standard is increasingly severe, and environmental requirement is more and more higher, and the energy-saving and emission-reduction task is finished arduousness; The technique that reclaims the traditionization product drops into many, and income is few, is difficult to adapt to fierce turn of the market present situation; World market pressure increases; The direct combustion power generation of fat coal, unfortunate many precious resources of coal; Tradition coking energy consumption is large, and flue dust is many; Dry coke quenching tower floor space is large, and the pollution waste of the water resources that the quenching of employing water causes and the loss of energy are large, and exhaust emissions is not up to standard.
Summary of the invention
Technical problem to be solved by this invention provides a kind of coal heat decomposition stove, and the core technology of thermal cycling Continuous coking can be provided, and namely Heating temperature is controlled, and is upper as to go; Material is smooth and easy, lower getting, and whole thermal cycling Continuous coking technique has been carried out the calculating of material and energy balance, significantly energy-conservation and water saving has good environmental benefit and can enlarge coking coal resource, improves simultaneously coke quality.
Technical scheme of the present invention: a kind of coal heat decomposition stove, it comprises: what the coal primary heater unit 2 that advances device for coal 1, coal heat decomposition stove of coal heat decomposition stove, the pre-hot coal of coal heat decomposition stove entered the dry coke quenching auxiliary 6 of burnt modifying apparatus 5, coal heat decomposition stove of heating unit 4, the coal heat decomposition stove of the coal of furnace apparatus 3, coal heat decomposition stove and coal heat decomposition stove pushes away discharging device for coke 7; The advancing device for coal 1 it comprise spiral deliver coal device 8, hopper 9, rotation stoker 10, funnel plate 11, coal divider 12, divider 13, sleeve pipe 14, tremie pipe 15, moving casing 16 and straight tube 17 of coal heat decomposition stove; The deliver coal below of device 8 of spiral is provided with hopper 9, and hopper 9 is connected with rotation stoker 10 by flange, and rotation stoker 10 is connected with coal divider 12, and coal divider 12 passes through sleeve pipe 14 and is connected with tremie pipe 15; The coal primary heater unit 2 of coal heat decomposition stove, it comprises cover plate 18, cylindrical shell 19, closing cap 20, closing cap base plate 21, dividing plate 22, feeding port 23, epicone spare 24, lower cone spare 25, preheater feed opening 26, takes off plate 27, coal preheater 28, center quirk 29, annular high-temp waste gas road 30, refractory materials masonry 31 and furnace shell 32; The center of furnace shell 32 is provided with center quirk 29, center quirk outer net is provided with 8 coal preheaters 28, the cylindrical of coal preheater 28 is provided with annular high-temp waste gas road 30, and annular high-temp waste gas road 30 is outside equipped with refractory materials masonry 31, and refractory materials masonry 31 is outside equipped with furnace shell 32; The top of cylindrical shell 19 is connected with cover plate 18, the below is connected with dividing plate 22, is provided with closing cap 20 in cylindrical shell 19, and closing cap 20 is connected with closing cap base plate 21, feeding port 23 is arranged in the sleeve of closing cap base plate 21 bottoms, feeding port 23 is connected with epicone spare 24, and epicone spare 24 is connected with lower cone spare 25, by that analogy, epicone spare is at 24 totally six layers, totally five layers of lower cone spares 25, last bottom is that epicone spare 24 is connected with preheater feed opening 26, preheater feed opening 26 with take off plate 27 and be connected; The pre-hot coal of coal heat decomposition stove enters furnace apparatus 3, and it comprises furnace shell 32, refractory materials masonry 31, high charge level instrumentation hole 33, low level gage gaging hole 34, vision slit 35, raw gas pressure measurement thermometer hole 36, insulation shell 37, lagging material 38, feed opening 39, material level control storehouse 40, cement block 41, raw gas derivation passage 42, raw gas water-sealed valve 43 and coking chamber top 44; The inside of furnace shell 32 is provided with refractory materials masonry 31, be provided with feed opening 39 on the refractory materials masonry 31, feed opening 39 is connected with material level control storehouse 40, be provided with high charge level instrumentation hole 33, low level gage gaging hole 34, vision slit 35 on the material level control storehouse 40, be provided with raw gas pressure measurement thermometer hole 36 on the furnace shell 32, material level control 40 belows, storehouse are provided with insulation shell 37, cement block 41, raw gas derivation passage 42, the side that raw gas is derived passage 42 is connected with coking chamber top 44, and the opposite side that raw gas is derived passage 42 is connected with raw gas water-sealed valve 43;
The heating unit 4 of the coal of coal heat decomposition stove, it comprises body of heater 32, refractory materials masonry 31, short covering tracheae 45, exterior combustion chamber 46, coking chamber 47, inner combustion chamber 48, inner combustion chamber's short covering air flue 49, rapid heater 50, internal-quirk afterburning tracheae 54, combustion gas bustle pipe 51, air bustle pipe 52, waste gas bustle pipe 53, internal-quirk 55, outer quirk 56 and centre channel 57; Be provided with refractory materials masonry 31 in the body of heater 32, the upper end of body of heater 32 is provided with two sections short covering tracheaes 45, the inner upper end of body of heater 32 is provided with two sections exterior combustion chambers 46, the lower end is provided with one section exterior combustion chamber 46, two sections exterior combustion chamber 46 inside are provided with coking chamber 47, the inboard of coking chamber 47 is provided with inner combustion chamber 48, be provided with short covering air flue 49 in inner combustion chamber's in the inner combustion chamber 48, short covering air flue 49 in inner combustion chamber's is connected with internal-quirk short covering gas bustle pipe 45, and body of heater 32 is respectively arranged with up and down two sections rapid heaters 50 and one section rapid heater 50; The lower end of body of heater 32 is provided with one section short covering tracheae 45, one section short covering tracheae 45 passes refractory materials masonry 31 and one section exterior combustion chamber 46 connection, be provided with the first combustion gas bustle pipe 51, the first air bustle pipe 52, the first waste gas bustle pipe 53 in the upper end of one section exterior combustion chamber 46, the lower end is provided with the second combustion gas bustle pipe 51, the second air bustle pipe 52, the second waste gas bustle pipe 53, be provided with internal-quirk afterburning tracheae 54 and internal-quirk short covering gas bustle pipe 45 in the bottom of body of heater 32, the other end of internal-quirk afterburning tracheae 54 is communicated with inner combustion chamber 48; It comprises furnace shell 32, refractory materials masonry 31, burnt upgrading chamber 58, bow-shaped support 59 the burnt modifying apparatus 5 of coal heat decomposition stove; Be provided with refractory materials masonry 31 in the furnace shell 32, the inboard of refractory materials masonry 31 is provided with burnt upgrading chamber 58, and the below in the furnace shell 32 is provided with bow-shaped support 59; It comprises furnace shell 32, refractory materials masonry 31, dried chamber 60, blast cap 61, airduct 62, bellows 63, dried feed channel 64 and the air channel, bottom 65 of putting out of putting out the dry coke quenching auxiliary 6 of coal heat decomposition stove; Be provided with refractory materials masonry 31 in the furnace shell 32, be provided with the dried chamber 60 of putting out in the refractory materials masonry 31, the centre that dried lower end of putting out chamber 60 is provided with four airducts 62, four airducts 62 is connected with blast cap 61, follow the wind cap 61 of one end of airduct 62 connects, follow the wind case 63 of the other end connects, bellows 63 peripheries are provided with the dried feed channel 64 of putting out, and a side in air channel, bottom 65 connects with the dried chamber 60 of putting out, and the opposite side case 63 that follows the wind connects; The pushing away discharging device for coke 7 it comprise motor 66, first stage decelerator 67, the first shaft coupling 68, two stage reducer 69, the second shaft coupling 70, clutch shaft bearing 71, housing 72, screw rod 73, opening for feed 74, the second bearing 75, rotation coke discharging device 76 and discharge port 77 of coal heat decomposition stove; Motor 66 is connected with first stage decelerator 67, first stage decelerator 67 is connected with two stage reducer 69 by the first shaft coupling 68, two stage reducer 69 is connected with the second shaft coupling 70, one end of screw rod 73 is connected with clutch shaft bearing 71, the other end is connected with the second bearing 75, is provided with screw rod 73 in the housing 72, is provided with opening for feed 74 on the housing 72, housing 72 lower ends are provided with rotation coke discharging device 76, and the lower end of rotation coke discharging device 76 is provided with discharge port 77.Coal divider 12 interior tops are provided with funnel plate 11, and the below of funnel plate 11 is provided with divider 13.Tremie pipe 15 tops are provided with 45 ° of elbows, and the lower end of tremie pipe 15 is connected with straight tube 17 by moving casing 16.Tremie pipe 15 is set to 2~10.Feeding port 23 is integral cast steel spare, and the centre is provided with hydraucone, and bell-mouthed upper end is provided with venting hole.Epicone spare 24 is integral cast steel spare, and inside is cone-shaped body, and the lower end of cone-shaped body is provided with discharge gate.Lower cone spare 25 is integral cast steel spare, and the centre is provided with hydraucone.Preheater feed opening 26 is integral cast steel spare, and the centre is provided with hydraucone, hydraucone with take off plate 27 and be connected.Exterior combustion chamber 46 is comprised of 6 groups 12 outer quirks 56 on the body of heater 32.Inner combustion chamber 48 is comprised of 8 internal-quirks 55 and centre channel 57.
The present invention has following beneficial effect compared with prior art: change the coking of continous way into by traditional intermittent type coking, realize the production automation, accomplish on-the-spot unattended; The thermal cycling continuous coking process can utilize waste heat dry, and preheating enters the stove coal, reduces energy consumption, reduces flue dust and generates; Reduce dry coke quenching tower floor space, avoided adopting the pollution waste of the water resources that the water quenching causes and the loss of energy; Improve coke quality, increase the oil gas quantum of output, do not use recirculated water, do not consume fresh water, do not have waste water, waste residue generates, and tail gas is qualified discharge behind sack cleaner; Coking enters the direct coking of stove by the wet coal of traditional normal temperature and changes the hot coal of stove coal after modified by drying and dehydrating, rapidly pre-warming into and enter coking chamber and carry out coking, coal preheating has reached energy-conservation purpose through waste heat, coal is through modified, enlarge coal coal source, improve coke quality, improved the oil gas quantum of output.Enter the stove coal and carry out coking after modified by drying and dehydrating, rapidly pre-warming, Heating temperature is controlled, and is upper as to go; Material is smooth and easy, and lower getting utilized the thermal cycling continuous coke oven, and raw coal cost reduces by 200 yuan, changes product, methane gas, hydrogen and combustion gas and can increase by 700 yuan of benefits, produces 1 ton of Jiao Li's profit and can reach 900 yuan, and the profit of producing 1000000 tons of coking scales per year can reach 900,000,000 yuan.
Description of drawings
Fig. 1 is structural representation of the present invention
Fig. 2 is the device for coal structural representation that advances of the present invention
Fig. 3 is coal primary heater unit structural representation of the present invention
Fig. 4 is along the sectional view of A-A section line among Fig. 3
Fig. 5 is that pre-hot coal of the present invention enters the furnace apparatus structural representation
Fig. 6 is the heating unit structural representation of coal of the present invention
Fig. 7 is the heating unit plan structure synoptic diagram of coal of the present invention
Fig. 8 is burnt modifying apparatus structural representation of the present invention
Fig. 9 is burnt modifying apparatus plan structure synoptic diagram of the present invention
Figure 10 is dry coke quenching auxiliary structural representation of the present invention
Figure 11 is dry coke quenching auxiliary plan structure synoptic diagram of the present invention
Figure 12 is the discharging device for coke structural representation that pushes away of the present invention
Concrete embodiment
A kind of coal heat decomposition stove, it comprises: what the coal primary heater unit 2 that advances device for coal 1, coal heat decomposition stove of coal heat decomposition stove, the pre-hot coal of coal heat decomposition stove entered the dry coke quenching auxiliary 6 of burnt modifying apparatus 5, coal heat decomposition stove of heating unit 4, the coal heat decomposition stove of the coal of furnace apparatus 3, coal heat decomposition stove and coal heat decomposition stove pushes away discharging device for coke 7; The advancing device for coal 1 it comprise spiral deliver coal device 8, hopper 9, rotation stoker 10, funnel plate 11, coal divider 12, divider 13, sleeve pipe 14, tremie pipe 15, moving casing 16 and straight tube 17 of coal heat decomposition stove; The deliver coal below of device 8 of spiral is provided with hopper 9, and hopper 9 is connected with rotation stoker 10 by flange, and rotation stoker 10 is connected with coal divider 12, and coal divider 12 passes through sleeve pipe 14 and is connected with tremie pipe 15; The coal primary heater unit 2 of coal heat decomposition stove, it comprises cover plate 18, cylindrical shell 19, closing cap 20, closing cap base plate 21, dividing plate 22, feeding port 23, epicone spare 24, lower cone spare 25, preheater feed opening 26, takes off plate 27, coal preheater 28, center quirk 29, annular high-temp waste gas road 30, refractory materials masonry 31 and furnace shell 32; The center of furnace shell 32 is provided with center quirk 29, center quirk cylindrical is provided with 8 coal preheaters 28, the cylindrical of coal preheater 28 is provided with annular high-temp waste gas road 30, and annular high-temp waste gas road 30 is outside equipped with refractory materials masonry 31, and refractory materials masonry 31 is outside equipped with furnace shell 32; The top of cylindrical shell 19 is connected with cover plate 18, the below is connected with dividing plate 22, is provided with closing cap 20 in cylindrical shell 19, and closing cap 20 is connected with closing cap base plate 21, feeding port 23 is arranged in the sleeve of closing cap base plate 21 bottoms, feeding port 23 is connected with epicone spare 24, and epicone spare 24 is connected with lower cone spare 25, by that analogy, epicone spare is at 24 totally six layers, totally five layers of lower cone spares 25, last bottom is that epicone spare 24 is connected with preheater feed opening 26, preheater feed opening 26 with take off plate 27 and be connected; The pre-hot coal of coal heat decomposition stove enters furnace apparatus 3, and it comprises furnace shell 32, refractory materials masonry 31, high charge level instrumentation hole 33, low level gage gaging hole 34, vision slit 35, raw gas pressure measurement thermometer hole 36, insulation shell 37, lagging material 38, feed opening 39, material level control storehouse 40, cement block 41, raw gas derivation passage 42, raw gas water-sealed valve 43 and coking chamber top 44; The inside of furnace shell 32 is provided with refractory materials masonry 31, be provided with feed opening 39 on the refractory materials masonry 31, feed opening 39 is connected with material level control storehouse 40, be provided with high charge level instrumentation hole 33, low level gage gaging hole 34, vision slit 35 on the material level control storehouse 40, be provided with raw gas pressure measurement thermometer hole 36 on the furnace shell 32, material level control 40 belows, storehouse are provided with insulation shell 37, cement block 41, raw gas derivation passage 42, the side that raw gas is derived passage 42 is connected with coking chamber top 44, and the opposite side that raw gas is derived passage 42 is connected with raw gas water-sealed valve 43; The heating unit 4 of the coal of coal heat decomposition stove, it comprises body of heater 32, refractory materials masonry 31, short covering tracheae 45, exterior combustion chamber 46, coking chamber 47, inner combustion chamber 48, inner combustion chamber's short covering air flue 49, rapid heater 50, internal-quirk afterburning tracheae 54, combustion gas bustle pipe 51, air bustle pipe 52, waste gas bustle pipe 53, internal-quirk 55, outer quirk 56 and centre channel 57; Be provided with refractory materials masonry 31 in the body of heater 32, the upper end of body of heater 32 is provided with two sections short covering tracheaes 45, the inner upper end of body of heater 32 is provided with two sections exterior combustion chambers 46, the lower end is provided with one section exterior combustion chamber 46, two sections exterior combustion chamber 46 inside are provided with coking chamber 47, the inboard of coking chamber 47 is provided with inner combustion chamber 48, be provided with short covering air flue 49 in inner combustion chamber's in the inner combustion chamber 48, short covering air flue 49 in inner combustion chamber's is connected with internal-quirk short covering gas bustle pipe 45, and body of heater 32 is respectively arranged with up and down two sections rapid heaters 50 and one section rapid heater 50; The lower end of body of heater 32 is provided with one section short covering tracheae 45, one section short covering tracheae 45 passes refractory materials masonry 31 and one section exterior combustion chamber 46 connection, be provided with the first combustion gas bustle pipe 51, the first air bustle pipe 52, the first waste gas bustle pipe 53 in the upper end of one section exterior combustion chamber 46, the lower end is provided with the second combustion gas bustle pipe 51, the second air bustle pipe 52, the second waste gas bustle pipe 53, be provided with internal-quirk afterburning tracheae 54 and internal-quirk short covering gas bustle pipe 45 in the bottom of body of heater 32, the other end of internal-quirk afterburning tracheae 54 is communicated with inner combustion chamber 48; It comprises furnace shell 32, refractory materials masonry 31, burnt upgrading chamber 58, bow-shaped support 59 the burnt modifying apparatus 5 of coal heat decomposition stove; Be provided with refractory materials masonry 31 in the furnace shell 32, the inboard of refractory materials masonry 31 is provided with burnt upgrading chamber 58, and the below in the furnace shell 32 is provided with bow-shaped support 59; It comprises furnace shell 32, refractory materials masonry 31, dried chamber 60, blast cap 61, airduct 62, bellows 63, dried feed channel 64 and the air channel, bottom 65 of putting out of putting out the dry coke quenching auxiliary 6 of coal heat decomposition stove; Be provided with refractory materials masonry 31 in the furnace shell 32, be provided with the dried chamber 60 of putting out in the refractory materials masonry 31, the centre that dried lower end of putting out chamber 60 is provided with four airducts 62, four airducts 62 is connected with blast cap 61, follow the wind cap 61 of one end of airduct 62 connects, follow the wind case 63 of the other end connects, bellows 63 peripheries are provided with the dried feed channel 64 of putting out, and a side in air channel, bottom 65 connects with the dried chamber 60 of putting out, and the opposite side case 63 that follows the wind connects; The pushing away discharging device for coke 7 it comprise motor 66, first stage decelerator 67, the first shaft coupling 68, two stage reducer 69, the second shaft coupling 70, clutch shaft bearing 71, housing 72, screw rod 73, opening for feed 74, the second bearing 75, rotation coke discharging device 76 and discharge port 77 of coal heat decomposition stove; Motor 66 is connected with first stage decelerator 67, first stage decelerator 67 is connected with two stage reducer 69 by the first shaft coupling 68, two stage reducer 69 is connected with the second shaft coupling 70, one end of screw rod 73 is connected with clutch shaft bearing 71, the other end is connected with the second bearing 75, is provided with screw rod 73 in the housing 72, is provided with opening for feed 74 on the housing 72, housing 72 lower ends are provided with rotation coke discharging device 76, and the lower end of rotation coke discharging device 76 is provided with discharge port 77.Coal divider 12 interior tops are provided with funnel plate 11, and the below of funnel plate 11 is provided with divider 13.Tremie pipe 15 tops are provided with 45 ° of elbows, and the lower end of tremie pipe 15 is connected with straight tube 17 by moving casing 16.Tremie pipe 15 is set to 2~10.Feeding port 23 is integral cast steel spare, and the centre is provided with hydraucone, and bell-mouthed upper end is provided with venting hole.Epicone spare 24 is integral cast steel spare, and inside is cone-shaped body, and the lower end of cone-shaped body is provided with discharge gate.Lower cone spare 25 is integral cast steel spare, and the centre is provided with hydraucone.Preheater feed opening 26 is integral cast steel spare, and the centre is provided with hydraucone, hydraucone with take off plate 27 and be connected.Exterior combustion chamber 46 is comprised of 6 groups 12 outer quirks 56 on the body of heater 32.Inner combustion chamber 48 is comprised of 8 internal-quirks 55 and centre channel 57.

Claims (10)

1. coal heat decomposition stove, it comprises: what the coal primary heater unit (2) that advances device for coal (1), coal heat decomposition stove of coal heat decomposition stove, the pre-hot coal of coal heat decomposition stove entered the dry coke quenching auxiliary (6) of burnt modifying apparatus (5), coal heat decomposition stove of heating unit (4), the coal heat decomposition stove of the coal of furnace apparatus (3), coal heat decomposition stove and coal heat decomposition stove pushes away discharging device for coke (7); It is characterized in that: the advancing device for coal (1) it comprises spiral deliver coal device (8), hopper (9), rotation stoker (10), funnel plate (11), coal divider (12), divider (13), sleeve pipe (14), tremie pipe (15), moving casing (16) and straight tube (17) of coal heat decomposition stove; The deliver coal below of device (8) of spiral is provided with hopper (9), hopper (9) is connected with rotation stoker (10) by flange, rotation stoker (10) is connected with coal divider (12), and coal divider (12) is connected with tremie pipe (15) by sleeve pipe (14); The coal primary heater unit (2) of coal heat decomposition stove, it comprises cover plate (18), cylindrical shell (19), closing cap (20), closing cap base plate (21), dividing plate (22), feeding port (23), epicone spare (24), lower cone spare (25), preheater feed opening (26), takes off plate (27), coal preheater (28), center quirk (29), annular high-temp waste gas road (30), refractory materials masonry (31) and furnace shell (32); The center of furnace shell (32) is provided with center quirk (29), center quirk cylindrical is provided with 8 coal preheaters (28), the cylindrical of coal preheater (28) is provided with annular high-temp waste gas road (30), annular high-temp waste gas road (30) is outside equipped with refractory materials masonry (31), and refractory materials masonry (31) is outside equipped with furnace shell (32); The top of cylindrical shell (19) is connected with cover plate (18), the below is connected with dividing plate (22), in cylindrical shell (19), be provided with closing cap (20), closing cap (20) is connected with closing cap base plate (21), feeding port (23) is arranged in the sleeve of closing cap base plate (21) bottom, feeding port (23) is connected with epicone spare (24), epicone spare (24) is connected with lower cone spare (25), by that analogy, epicone spare is (24) totally six layers, totally five layers of lower cone spares (25), last bottom is that epicone spare (24) is connected with preheater feed opening (26), preheater feed opening (26) with take off plate (27) and be connected; The pre-hot coal of coal heat decomposition stove enters furnace apparatus (3), and it comprises furnace shell (32), refractory materials masonry (31), high charge level instrumentation hole (33), low level gage gaging hole (34), vision slit (35), raw gas pressure measurement thermometer hole (36), insulation shell (37), lagging material (38), feed opening (39), material level control storehouse (40), cement block (41), raw gas derivation passage (42), raw gas water-sealed valve (43) and coking chamber top (44); The inside of furnace shell (32) is provided with refractory materials masonry (31), be provided with feed opening (39) on the refractory materials masonry (31), feed opening (39) is connected with material level control storehouse (40), be provided with high charge level instrumentation hole (33) on the material level control storehouse (40), low level gage gaging hole (34), vision slit (35), be provided with raw gas pressure measurement thermometer hole (36) on the furnace shell (32), below, material level control storehouse (40) is provided with insulation shell (37), cement block (41), raw gas is derived passage (42), the side that raw gas is derived passage (42) is connected with coking chamber top (44), and the opposite side that raw gas is derived passage (42) is connected with raw gas water-sealed valve (43); The heating unit of the coal of coal heat decomposition stove (4), it comprises body of heater (32), refractory materials masonry (31), short covering tracheae (45), exterior combustion chamber (46), coking chamber (47), inner combustion chamber (48), inner combustion chamber's short covering air flue (49), rapid heater (50), internal-quirk afterburning tracheae (54), combustion gas bustle pipe (51), air bustle pipe (52), waste gas bustle pipe (53), internal-quirk (55), outer quirk (56) and centre channel (57); Be provided with refractory materials masonry (31) in the body of heater (32), the upper end of body of heater (32) is provided with two sections short covering tracheaes (45), the inner upper end of body of heater (32) is provided with two sections exterior combustion chambers (46), the lower end is provided with one section exterior combustion chamber (46), two sections exterior combustion chambers (46) inside is provided with coking chamber (47), the inboard of coking chamber (47) is provided with inner combustion chamber (48), be provided with short covering air flue (49) in inner combustion chamber's in the inner combustion chamber (48), inner combustion chamber's short covering air flue (49) is connected with internal-quirk short covering gas bustle pipe (45), and body of heater (32) is respectively arranged with up and down two sections rapid heaters (50) and one section rapid heater (50); The lower end of body of heater (32) is provided with one section short covering tracheae (45), one section short covering tracheae (45) passes refractory materials masonry (31) and connects with one section exterior combustion chamber (46), be provided with the first combustion gas bustle pipe (51) in the upper end of one section exterior combustion chamber (46), the first air bustle pipe (52), the first waste gas bustle pipe (53), the lower end is provided with the second combustion gas bustle pipe (51), the second air bustle pipe (52), the second waste gas bustle pipe (53), be provided with internal-quirk afterburning tracheae (54) and internal-quirk short covering gas bustle pipe (45) in the bottom of body of heater (32), the other end of internal-quirk afterburning tracheae (54) is communicated with inner combustion chamber (48); It comprises furnace shell (32), refractory materials masonry (31), burnt upgrading chamber (58), bow-shaped support (59) the burnt modifying apparatus (5) of coal heat decomposition stove; Be provided with refractory materials masonry (31) in the furnace shell (32), the inboard of refractory materials masonry (31) is provided with burnt upgrading chamber (58), and the below in the furnace shell (32) is provided with bow-shaped support (59); It comprises furnace shell (32), refractory materials masonry (31), dried chamber (60), blast cap (61), airduct (62), bellows (63), dried feed channel (64) and air channel, bottom (65) of putting out of putting out the dry coke quenching auxiliary of coal heat decomposition stove (6); Be provided with refractory materials masonry (31) in the furnace shell (32), be provided with the dried chamber (60) of putting out in the refractory materials masonry (31), dried lower end of putting out chamber (60) is provided with four airducts (62), the centre of four airducts (62) is connected with blast cap (61), one end of airduct (62) cap (61) that follows the wind connects, the other end case (63) that follows the wind connects, bellows (63) periphery is provided with the dried feed channel (64) of putting out, one side in air channel, bottom (65) connects with the dried chamber (60) of putting out, and the opposite side case (63) that follows the wind connects; The pushing away discharging device for coke (7) it comprise motor (66), first stage decelerator (67), the first shaft coupling (68), two stage reducer (69), the second shaft coupling (70), clutch shaft bearing (71), housing (72), screw rod (73), opening for feed (74), the second bearing (75), rotation coke discharging device (76) and discharge port (77) of coal heat decomposition stove; Motor (66) is connected with first stage decelerator (67), first stage decelerator (67) is connected with two stage reducer (69) by the first shaft coupling (68), two stage reducer (69) is connected with the second shaft coupling (70), one end of screw rod (73) is connected with clutch shaft bearing (71), the other end is connected with the second bearing (75), be provided with screw rod (73) in the housing (72), be provided with opening for feed (74) on the housing (72), housing (72) lower end is provided with rotation coke discharging device (76), and the lower end of rotation coke discharging device (76) is provided with discharge port (77).
2. a kind of coal heat decomposition stove according to claim 1 is characterized in that: the top is provided with funnel plate (11) in the coal divider (12), and the below of funnel plate (11) is provided with divider (13).
3. a kind of coal heat decomposition stove according to claim 1 is characterized in that: tremie pipe (15) top is provided with 45 ° of elbows, and the lower end of tremie pipe (15) is connected with straight tube (17) by moving casing (16).
4. a kind of coal heat decomposition stove according to claim 1, it is characterized in that: tremie pipe (15) is 2~10.
5. a kind of coal heat decomposition stove according to claim 1, it is characterized in that: feeding port (23) is integral cast steel spare, and the centre is provided with hydraucone, and bell-mouthed upper end is provided with venting hole.
6. a kind of coal heat decomposition stove according to claim 1, it is characterized in that: epicone spare (24) is integral cast steel spare, and inside is cone-shaped body, and the lower end of cone-shaped body is provided with discharge gate.
7. a kind of coal heat decomposition stove according to claim 1 is characterized in that: lower cone part (25) is integral cast steel spare, and the centre is provided with hydraucone.
8. a kind of coal heat decomposition stove according to claim 1, it is characterized in that: preheater feed opening (26) is integral cast steel spare, and the centre is provided with hydraucone, hydraucone with take off plate (27) and be connected.
9. a kind of coal heat decomposition stove according to claim 1, it is characterized in that: exterior combustion chamber (46) is comprised of the 6 groups 12 outer quirks (56) on the body of heater (32).
10. a kind of coal heat decomposition stove according to claim 1, it is characterized in that: inner combustion chamber (48) are comprised of 8 internal-quirks (55) and centre channel (57).
CN201110453464.4A 2011-12-21 2011-12-21 Coal pyrolysis furnace CN102994104B (en)

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CN103589441A (en) * 2013-11-25 2014-02-19 潍坊金丝达环境工程股份有限公司 Improved energy-saving continuous gasification cracking furnace
CN106939168A (en) * 2017-03-27 2017-07-11 山东中移能节能环保科技股份有限公司 A kind of dry coke quenching movable floor sweeping type water sealed tank

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Publication number Priority date Publication date Assignee Title
CN103589441A (en) * 2013-11-25 2014-02-19 潍坊金丝达环境工程股份有限公司 Improved energy-saving continuous gasification cracking furnace
CN103589441B (en) * 2013-11-25 2014-11-19 潍坊金丝达环境工程股份有限公司 Improved energy-saving continuous gasification cracking furnace
CN106939168A (en) * 2017-03-27 2017-07-11 山东中移能节能环保科技股份有限公司 A kind of dry coke quenching movable floor sweeping type water sealed tank
CN106939168B (en) * 2017-03-27 2019-06-11 山东中移能节能环保科技股份有限公司 A kind of dry coke quenching movable floor sweeping type water sealed tank

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