CN102786955B - Coal feeding device for coal pyrolyzing furnace - Google Patents
Coal feeding device for coal pyrolyzing furnace Download PDFInfo
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- CN102786955B CN102786955B CN 201210278664 CN201210278664A CN102786955B CN 102786955 B CN102786955 B CN 102786955B CN 201210278664 CN201210278664 CN 201210278664 CN 201210278664 A CN201210278664 A CN 201210278664A CN 102786955 B CN102786955 B CN 102786955B
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Abstract
The invention discloses a coal as fired feeding device for a coal pyrolyzing furnace. The coal as fired feeding device comprises a coal powder as fired conveying device, a coal as fired bunker, a coal powder branching device, a coal powder distribution chamber, coal as fired bunker charging pipes and a coal powder filter; the coal powder filter is arranged above the coal powder as fired conveyingdevice; the coal powder as fired conveying device adopts a spiral conveying structure and is arranged above the coal as fired bunker; the convex coal powder branching device is arranged in the middleof the bottom of the coal as fired bunker to divide the bottom of the coal as fired bunker into multiple coal powder distribution chambers; the coal as fired bunker charging pipes are respectively connected to the bottoms of the coal powder distribution chambers; and charging control valves are arranged on the coal as fired bunker charging pipes. The coal as fired feeding device for the coal pyrolyzing furnace can continuously convey dehydrated coal as fired to the coal pyrolyzing furnace, so that the coal feeding operation is enabled to be timely, quick and efficient.
Description
Technical field
The present invention relates to a kind of device for coal that advances, particularly a kind of stove coal of going into of pyrolysis of coal stove advances device for coal.
Background technology
Pyrolysis of coal stove (pit kiln) in the market mostly adopts intermittent type coking, and each processing step such as proportioning, dehydration, charing of going into the stove coal is relatively independent, can not realize that continuously the coal supply pyrolysis oven carries out coal and does industry.
This impels the inventor to think deeply to develop a kind ofly can will go into the device for coal that advances that stove coal dewatering and charring process step couple together.
Summary of the invention
The stove coal of going into that the invention provides a kind of pyrolysis of coal stove advances device for coal, this advance device for coal continuously the coal supply pyrolysis oven carry out coal do the industry.
The present invention is achieved through the following technical solutions:
A kind of stove coal of going into of pyrolysis of coal stove advances device for coal, include the stove cuttings conveyer, go into the stove coal bunker, the coal dust branch to device, coal dust distribution chamber, go into stove coal bunker tremie pipe, coal dust strainer, industry control center; Described coal dust strainer is arranged on into stove cuttings conveyer top, go into the stove cuttings conveyer and adopt screw conveying structure, be arranged on into stove coal bunker top, the coal dust branch of projection is set to device in the middle of going into stove coal bunker bottom, to go into stove coal bunker bottom and be divided into several coal dust distribution chambers, and be connected to stove coal bunker tremie pipe respectively in coal dust distribution chamber bottom, go into stove coal bunker tremie pipe the blanking control valve is set; The industry control center with go into the stove cuttings conveyer and be connected with the blanking control valve, go into stove cuttings conveyer and blanking control valve and controlled by the industry control center.
Preferably, the coal dust strainer comprises filter body, the outer top cover of strainer, the strainer internal head cover, the steel fiber filtering net, off-air enters siphunculus, the dust funnel, discharge siphunculus in the off-air, off-air is discharged siphunculus outward, the filter body periphery is provided with the off-air that leads to the top from the bottom and enters siphunculus, be provided with the dust funnel in filter body inside, the dust funnel leads to into the stove coal bunker, discharging siphunculus in the off-air is arranged on the strainer internal head cover, and be positioned at above the dust funnel, the entrance of discharging siphunculus in the off-air is lower than the entrance that off-air enters siphunculus, off-air is discharged siphunculus outward and is arranged on the outer top cover of strainer, is provided with the steel fiber filtering net outside strainer internal head cover and strainer between the top cover.
Preferably, also comprise into device for coal electric controller, advance the device for coal electric controller be serially connected in upper industry control center and go into the stove cuttings conveyer and the blanking control valve between, the industry control center is by advancing the coal electric controller to going into the stove cuttings conveyer and the blanking control valve is controlled.
The stove coal of going into that the stove coal advances after device for coal can be realized will dewatering continuously of going into of pyrolysis of coal stove of the present invention is transported to the pyrolysis of coal stove continuously, make coal do industry in time, fast, efficient.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
Fig. 1 be pyrolysis of coal stove of the present invention go into the stove coal advance device for coal related go into stove coal dewatering device assembling synoptic diagram;
Fig. 2 is A place enlarged view among Fig. 1;
Fig. 3 be pyrolysis of coal stove of the present invention go into the stove coal advance device for coal related go into water trap one embodiment schematic top plan view in the stove coal dewatering device;
Fig. 4 be pyrolysis of coal stove of the present invention go into the stove coal advance device for coal related go into another embodiment schematic top plan view of water trap in the stove coal dewatering device;
Fig. 5 is that the stove coal of going into of pyrolysis of coal stove of the present invention advances device for coal and follow-up goes into device assembling cross-sectional schematic such as the preheating of stove coal, adjusting;
Fig. 6 is C place enlarged view among Fig. 5;
Fig. 7 be pyrolysis of coal stove of the present invention go into the stove coal advance device for coal related go into preheater sectional view in the stove coal primary heater unit;
Fig. 8 is a-a place sectional view among Fig. 6;
Fig. 9 be pyrolysis of coal stove of the present invention go into the stove coal advance device for coal related go into stove coal refrigerating unit synoptic diagram;
Figure 10 is b-b place sectional view among Fig. 9;
Figure 11 be pyrolysis of coal stove of the present invention go into the stove coal advance device for coal related be electrically connected synoptic diagram.
Embodiment
The specific embodiment that the stove coal advances device for coal of going into of a kind of pyrolysis of coal stove of the present invention is mainly introduced in following third part first segment in detail.
First partly goes into stove coal proportioning and preparation
A kind of pyrolysis of coal stove involved in the present invention can be gone into stove coal proportioning according to different, obtains the different coke of grade.
Following steps: 1) select 5 kinds of different coals for use, they are respectively bottle coal, rich coal, coking coal, 1/3rd coking coal, lean coal.2) bottle coal 20%～40% wherein; Rich coal 10%～20%; Coking coal 10%～20%; / 3rd coking coal 15%～30%; Lean coal 10%～15%, mix the fragmentation of sieving then earlier, reach until crushed particles and to be formed into the stove coal below the 5mm, certainly pyrolysis of coal stove of the present invention to other proportioning and granular size to go into the stove coal suitable equally, do not constitute the required restriction of going into the stove coal dust of pyrolysis of coal stove of the present invention, just by above going into stove coal proportioning and can reaching more than 40% the weakly caking coal amount of allocating into of lifting, reduce the coke that the cost of going into the stove coal can obtain better quality simultaneously again, had fine competitive power in market.
Second section is gone into the stove coal dewatering
Pit kiln in the market mostly adopts intermittent type coking, goes into the stove coal charge and is wet coal, so power consumption has increased the cost of coking, goes into dewatering of stove coal to what enter this pyrolysis of coal stove in advance, plays energy-saving and cost-reducing effect.
As shown in Figure 1: describedly go into stove coal dewatering device 1 and comprise dehydration support body 10, bucket elevator 11, waste gas water trap 12, coal dust strainer 13, feed bin 14, fly-ash separator 15, chimney 16, go into stove coal transfer roller 17.
As Fig. 1, shown in Figure 2: waste gas water trap 12 comprises dehydrator shell 121, the hot waste gas master enters pipe 122, dehydration waste gas master discharges tracheae 123, go into glassware 124, waste gas radiator element 125, above dehydrator shell 121, be provided with into glassware 124, be provided with at least one group of waste gas radiator element 125 below going into glassware 124 in dehydrator shell 121 inside, the inside of waste gas radiator element 125 is provided with hot waste gas admission passage 1251, dehydration waste gas exhaust channel 1252, hot waste gas admission passage 1251 and dehydration waste gas exhaust channel 1252 enter pipe 122 with the hot waste gas master respectively, dehydration waste gas master discharges tracheae 123 and communicates, hot waste gas admission passage 1251 and dehydration waste gas exhaust channel 1252 are in the inside of waste gas radiator element 125 up and down to be arranged, and is beneficial to the drying and dehydrating into the stove coal.
As shown in Figure 2: go into glassware 124 and include hopper 1241, pan feeding vibratory screening apparatus 1242, blanking channel 1243, blanking vibratory screening apparatus 1244, pan feeding vibratory screening apparatus 1242 is set in the material bin 1241, scattered by the middle part and be provided with a plurality of blanking channels 1243 in material bin 1241 belows, below blanking channel 1243, be provided with blanking vibratory screening apparatus 1244 again, blanking vibratory screening apparatus 1244 belows arrange waste gas radiator element 125, and She Ji purpose is more even in order to allow the stove coal distribute above waste gas radiator element 125 like this.
As shown in Figure 2: the three groups of arrangements in 125 one-tenth upper, middle and lower of waste gas radiator element, waste gas radiator element 125 profiles are made acute triangle up, shift to install between last group of waste gas radiator element 125 and middle group of waste gas radiator element 125, between the two adjacent waste gas radiator element 125 during a waste gas radiator element 125 namely in the group just in time is arranged on and organizes, in like manner, organize down a waste gas radiator element 125 just in time be arranged between the two adjacent waste gas radiator element 125 in the group, purpose is for the drying area that is added to the stove coal, is beneficial to into coal and disperses landing.
As Fig. 1, Fig. 2, shown in Figure 3: that coal bunker 14 is set below waste gas radiator element 125, put at coal bunker 14 and to be provided with coal dust strainer 13, our image is called the coal dust respiratory organ, coal dust strainer 13 mainly comprises filter body 131, enter siphunculus 132 in the off-air, dust funnel 133, discharge siphunculus 134 in the off-air, off-air is discharged siphunculus 135 outward, enter siphunculus 132 in the off-air that leads to the top from the bottom filter body 131 peripheral being provided with, be provided with dust funnel 133 in filter body inside, dust funnel 133 leads to coal bunker 14, above dust funnel 133, be provided with and discharge siphunculus 134 in the off-air, the entrance 1321 that enters siphunculus 132 in the off-air is higher than the entrance 1341 of discharging siphunculus 134 in the off-air, discharging siphunculus 134 in the off-air is arranged on the strainer internal head cover 137, off-air is discharged siphunculus 135 outward and is arranged on the outer top cover 138 of strainer, is provided with steel fiber filtering net 136 outside strainer internal head cover 137 and strainer between the top cover 138.
As shown in Figure 3: enter siphunculus 132 in the off-air and be arranged in the filter body 131, enter siphunculus 132 in the off-air and in filter body 131, form cyclone structure with the interior 134 one-tenth vertical angles of siphunculus of discharging of off-air.
As shown in Figure 1: fly-ash separator 15 connects dehydration waste gas master and discharges tracheae 123, fly-ash separator 15 is existing dedusting technologies, fly-ash separator 15 comprises fly-ash separator housing 151, dust settling chamber 152, dehydration waste gas master discharges tracheae 123 leads to dust settling chamber 152, dust settling chamber 152 communicates with chimney 16 by induced draft fan 18 again, dust settling chamber 152 belows arrange flyash delivery pipe 153, described dust settling chamber 152 can be wet dedusting, also can adopt dry-method bag-type dust collecting, introduce wet dedusting herein, be provided with sprinkler head 154 above the dust settling chamber in fly-ash separator housing 151, dehydration waste gas master discharges tracheae 123 and submerges in the water in the dust settling chamber 152.
As Fig. 1; shown in Figure 2: hot waste gas enters the waste gas admission passage 1251 that tracheae 122 enters waste gas radiator element 125 inside by the hot waste gas master; dehydration waste gas exhaust channel 1252 by waste gas radiator element 125 inside enters dehydration waste gas master and discharges tracheae 123 again; discharge from chimney 16 after cleaning through the water layer in the dust settling chamber 152 again; flyash is stayed in the water layer and is regularly discharged by flyash delivery pipe 153 in the hot waste gas; both played hot waste gas had been purified; can reduce the hot waste gas exhaust temperature again; be beneficial to air draft; protection induced draft fan 18; reach the purpose of clean environment protection emission, the current country of response advocates the requirement of waste gas environment protection emission.
As shown in Figure 1 and Figure 2: the hot waste gas after the burning enters tracheae 122 typical temperatures at 700 ℃～800 ℃ entering the hot waste gas master, utilize the waste heat of hot waste gas self that waste gas radiator element 125 is heated, can lower the temperature to the hot waste gas after the burning, thereby the stove coal of going into through waste gas radiator element 125 is dewatered, can allow the water ratio of stove coal below 1% again, reach the effective utilization to the hot waste gas after the burning, save energy consumption.
As shown in Figure 1 and Figure 2: the discharge bucket 111 of bucket elevator 11 is arranged on material bin 1241 tops, goes into the bottom that stove coal transfer roller 17 is arranged on coal bunker 14.
As shown in figure 11: this example also comprises industry control center 90, the 90 pairs of induced draft fans that directly are electrically connected with it 18 in industry control center, goes into stove coal transfer roller 17 and bucket elevator 11 is controlled,
This example also includes stove coal electric controller 901, going into 901 pairs of stove coal electric controllers goes into stove coal transfer roller 17, induced draft fan 18 and bucket elevator 11 and controls automatically respectively, go into stove coal electric controller 901 and link with upper industry control center 90 again, realize going into the automatization of stove coal dewatering.Certainly from electric control theory, go into stove coal transfer roller 17, induced draft fan 18 and bucket elevator 11 in this example and also can directly be subjected to 90 controls of industry control center, so set into the restriction that stove coal electric controller 901 does not constitute this routine protection domain herein.
This example is gone into stove coal dewatering method principle:
1, industry control center 90 feeds stove coal electric controller 901 and spreads out of into stove coal transfer roller 17, induced draft fan 18 and bucket elevator 11 initiating signals, send in the dehydrator shell 121 top material bins 1241 by the stove coal of going into that bucket elevator 11 is finished proportioning earlier, by pan feeding vibratory screening apparatus 1242, blanking channel 1243, blanking vibratory screening apparatus 1244, waste gas radiator element 125 falls into coal bunker 14 at last;
2, hot waste gas being entered tracheae 122 by the hot waste gas master feeds in the waste gas admission passage 1251 of waste gas radiator element 125 inside, dehydration waste gas exhaust channel 1252 by waste gas radiator element 125 inside enters dehydration waste gas master and discharges tracheae 123 again, enters water layer in the dust settling chamber 152 again by induced draft fan 18 and discharges from chimney 16 after cleaning;
3, meanwhile, go into the stove coal fall into through waste gas radiator element 125 coal bunker 14 processes also can be to dehydrator shell 121 chambeies in and air in coal bunker 14 storehouses heat, heated air utilizes the heat buoyancy of self to enter in the off-air of coal dust strainer 13 and enters siphunculus 132 (as Fig. 3), be higher than the entrance 1341 of discharging siphunculus 134 in the off-air owing to enter the entrance 1321 of siphunculus 132 in the off-air, hot off-air forms whirlwind from top to bottom and enters discharge siphunculus 134 in the off-air, discharge siphunculus 135 dischargings outward finally by crossing steel fiber filtering net 136 and off-air, thereby the dust in the off-air because intercepting the dust funnel 133 that falls into the below, steel fiber filtering net 136 enters coal bunker 14.
Third part is gone into the stove coal and is advanced coal, preheating, adjusting, cooling
The stove coal process of going into after the dehydration carries the back temperature generally can be down to normal temperature, particularly winter temperature is lower, temperature may be lower, but but wish during coking to go into stove coal temperature remain between 200 ℃ to 300 ℃ more suitable, so need before the coking chamber that enters the pyrolysis of coal stove, carry out preheating to going into the stove coal.
First segment is gone into the stove coal and is advanced coal
As shown in Figure 5: advance that device for coal 2 mainly includes stove cuttings conveyer 21, goes into stove coal bunker 22, the coal dust branch to device 25, coal dust distribution chamber 26, go into stove coal bunker tremie pipe 29, coal dust strainer 23.
As shown in Figure 5, go into stove cuttings conveyer 21 and adopt screw conveying structure, be arranged on into stove coal bunker 22 tops, the coal dust branch of projection is set to device 25 in the middle of going into stove coal bunker 22 bottoms, to go into stove coal bunker 22 bottoms and be divided into several coal dust distribution chambers 26, this example arranges 8 coal dust distribution chambers 26 altogether, is connected to stove coal bunker tremie pipe 29 respectively in coal dust distribution chamber 26 bottoms, goes into stove coal bunker tremie pipe 29 blanking control valve 24 is set.
As Fig. 5, shown in Figure 4, coal dust strainer 23 (just the same substantially with the coal dust filtration device structure of introducing in this routine second section) is arranged on the top into stove coal bunker 22, mainly comprise filter body 231, off-air enters siphunculus 232 outward, dust funnel 233, discharge siphunculus 234 in the off-air, off-air is discharged siphunculus 235 outward, off-air enters siphunculus 232 outward and is arranged on filter body 231 neighborings, be provided with dust funnel 233 in filter body 231 inside, dust funnel 233 leads to into stove coal bunker 22, above dust funnel 233, be provided with and discharge siphunculus 234 in the off-air, the entrance that off-air enters siphunculus 232 outward is higher than discharge siphunculus 234 entrances in the off-air, off-air enters siphunculus 232 outward and forms cyclone structures with the interior 234 one-tenth vertical angles of siphunculus of discharging of off-air at filter body 231, discharging siphunculus 234 in the off-air is arranged on the strainer internal head cover 237, off-air is discharged siphunculus 235 outward and is arranged on the outer top cover 238 of strainer, is provided with steel fiber filtering net 236 outside strainer internal head cover 237 and strainer between the top cover 238.
In addition; as shown in figure 11; this example also comprises into device for coal electric controller 902; advance that 902 pairs of coal electric controllers are gone into stove cuttings conveyer 21 and blanking control valve 24 is controlled; advancing device for coal electric controller 902 links with upper industry control center 90 again; certainly from electric control theory, go into stove cuttings conveyer 21 and blanking control valve 24 in this example and also can directly be subjected to industry control center 90 control, do not constitute restriction to this routine protection domain so arrange device for coal electric controller 902 herein.
Second joint is gone into the preheating of stove coal
As Fig. 5, shown in Figure 6: primary heater unit 39 places the into below of device for coal 2, and primary heater unit 39 is positioned at the top of pyrolysis of coal stove 9.
As Fig. 6, Fig. 7, shown in Figure 8, primary heater unit 39 mainly includes body of heater 91, exhaust air chamber 391, at least one above heating by the exhaust gases passage 392, preheater 393, in body of heater 91 is divided into, in, outer three layers of body of wall 913,912,911 (shown in Figure 8), internal layer body of wall 913 forms 911 formation waste gas of exhaust air chamber 391 middle level bodies of wall 912 and outer body of wall and assembles circuit 395, assemble circuit 395 at waste gas and be provided with waste gas primary outlet 3951, in heating by the exhaust gases passage 392 passes, middle level body of wall 913,912 assemble circuit 395 with exhaust air chamber 391 and waste gas is communicated with, and will be separated into several preheating chambers 394 (as shown in Figure 8 between internal layer body of wall 913 and the middle level body of wall 912, this example has 8 heating by the exhaust gases passages 392 will be separated out 8 preheating chambers 394,), preheater 393 places each preheating chamber 394 respectively.
As Fig. 7, shown in Figure 8: 393 one-tenth round shapes of preheater adopt steel, preheater 393 comprises that cylindrical shell 3931, taper branch are to device 3932, open wide funnel 3933, pre-hot coal blanking road 3934, taper divides to device 3932 and unlimited funnel 3933 arranges on cylindrical shell 3931 successively from top to bottom in groups, is beneficial to going into the even preheating of coal stove.
As Fig. 8, shown in Figure 6, body of heater 91 adopts circle to be beneficial to the space priorization, reserves certain space between preheater 393 and the preheating chamber 394, utilizes the warm air in the exhaust air chamber 391 that preheater 393 is heated, and homogeneous heating is stable.
As shown in Figure 6, be provided with at body of heater 91 and lead to preheating chamber thermometer hole 3941, preheating chamber thermometer 3942 is arranged on the temperature variation that 3941 outlets of preheating chamber thermometer hole are used for monitoring preheating chamber 394, be provided with at body of heater 91 and lead to exhaust air chamber thermometer hole 3914, exhaust air chamber thermometer 3915 is arranged on the temperature variation that 3914 outlets of waste gas thermometer hole are used for monitoring exhaust air chamber 391, in addition, at the top of exhaust air chamber 391 upper observation hole 3912 is set, lower observation hole 3913 is set so that the technician observes exhaust air chamber 391 in the bottom of exhaust air chamber 391, the working condition of pyrolysis of coal stove 9 bottoms.
As Fig. 5, shown in Figure 6, preheating chamber 394 is provided with preheating off-air outlet duct 396, the off-air that preheating off-air outlet duct 396 leads to coal dust strainer 23 enters siphunculus 232 outward, the hot off-air of dust-laden of preheating chamber 394 tops is entered off-air enter outward in the siphunculus 232, the stove coal of going into that is conducive in the coal stove storehouse 22 drops into preheating in the preheating chamber 394 smoothly.
As Fig. 5, Fig. 6, shown in Figure 8, the bottom of exhaust air chamber 391 is provided with hot waste gas admission passage 3911, hot waste gas after the burning enters from hot waste gas admission passage 3911, entering waste gas by heating by the exhaust gases passage 392 assembles in the circuit 395, assemble waste gas primary outlet 3951 discharges of circuit 395 at last from waste gas, hot waste gas after the burning can be to heating by the exhaust gases passage 392 in discharge process, internal layer body of wall 913, internal layer body of wall 912 carries out thermal conduction, the unique texture design of this primary heater unit 39, be to utilize the hot waste gas of from exhaust air chamber 391, discharging after burning that air in the preheating chamber 394 is heated, the stove coal of going into that reaches falling into preheater 393 carries out preheating, can lower the temperature to the hot waste gas of from exhaust air chamber 391, discharging after burning again simultaneously, do not need to consume the extra energy, reach self the UTILIZATION OF VESIDUAL HEAT IN purpose to the hot waste gas after the burning.
In addition, as shown in figure 11, this example comprises that also preheating temperature monitor 903 is used for the temperature data of monitoring preheating chamber thermometer 3942 and exhaust air chamber thermometer 3915.Preheating temperature monitor 903 links with upper industry control center 90 again; certainly from electric control theory; preheating chamber thermometer 3942 and exhaust air chamber thermometer 3915 also can directly be subjected to industry control center 90 monitoring in this example, do not constitute restriction to this routine protection domain so preheating temperature monitor 903 is set herein.
The stove coal of going into after the 3rd joint preheating is regulated
As Fig. 5, shown in Figure 6, go into stove coal surge bunker 3, going into stove coal surge bunker 3 is arranged on and is positioned at preheater 393 bottoms on the body of heater 91, the periphery of exhaust air chamber 391 is gone into stove coal surge bunker 3 and is comprised coal pocket 31, the upper and lower level gage 32 of coal bunker, 33, coal pocket thermometer 34, coal pocket blanking road 35, coal pocket baiting valve 36.
As Fig. 5, shown in Figure 6, coal pocket 31 tops connect preheater 393 bottoms, the upper and lower level gage 32 of coal bunker, 33 is located at top and the bottom of coal pocket 31 respectively, coal pocket thermometer 34 is positioned at coal pocket 31 middle parts, coal pocket blanking road 35 is connected on the bottom of coal pocket 31 by coal pocket baiting valve 36, and coal pocket blanking road 35 leads to pyrolysis of coal oven carbonization chamber 61 (shown in Figure 9).
In addition; as shown in figure 11: this example also includes the stove coal and regulates electric controller 904 for gathering coal bunker; following level gage 32; 33 material level signal; the temperature signal of coal pocket thermometer 34; realize control automatically with the switching to coal pocket baiting valve 36; going into stove coal adjusting electric controller 904 links with upper industry control center 90 again; certainly from electric control theory; gather on the coal bunker in this example; following level gage 32; 33 material level signal; the temperature signal of coal pocket thermometer 34 is gathered by also can directly at industry control center 90; coal pocket baiting valve 36 opens and closes and directly is subjected to 90 controls of industry control center, regulates electric controller 904 and does not constitute restriction to this routine protection domain so set into the stove coal herein.
This example is gone into stove coal control method:
1, the stove coal of going into after the preheating is injected coal pocket 31 and stores away in advance earlier, when needs to coking chamber 61 in during coal, industry control center 90 is opened coal pocket baiting valves 36 and go into the stove coal in coking chamber 61;
2, when needs stop coal to coking chamber, coal pocket baiting valve 36 is closed at industry control center 90, stops to add the stove coal in coking chamber 61;
3, detect coal in the coal pocket 31 when not enough when level gage under the coal bunker 33, blanking control valve 24 is opened at industry control center 90, give coal in the coal pocket 31, when the coal that level gage on the coal bunker 32 detects in the coal pocket 31 is filled it up with, blanking control valve 24 is closed at industry control center 90, stop to coal pocket 31 coals, play the stove coal of going into that enters coking chamber 61 is regulated.
As Fig. 5, shown in Figure 6, coal pocket 31 tops also are provided with coal pocket hot air discharge passage 37, the off-air that coal pocket hot air discharge passage 37 leads to coal dust strainer 23 enters siphunculus 232 outward, the dust-laden warm air of coal pocket 31 tops is entered off-air and is entered outward in the siphunculus 232, is beneficial in the coal pocket 31 coal smoothly
The stove coal of going into that the 4th joint advances before the coking chamber cools off
As shown in Figure 9, coal pocket blanking road 35 is when annotating coal to the coking chamber 61 of pyrolysis of coal stove, because there is the raw gas that produces in a large amount of pyrolysis of coal processes in coking chamber 61 tops, the higher meeting of raw gas temperature is carried out thermal conduction to coal pocket blanking road 35 bodys and body of heater 91, cause the stove coal in coal pocket blanking road 35, to lump easily, obstruction is annotated coal in coking chamber 61, thereby need cool off going into the stove coal.
As Fig. 9, shown in Figure 10, go into stove coal refrigerating unit 5 and comprise air admission siphunculus 57, air is discharged siphunculus 51, air admission endless tube 56, air is discharged endless tube 52, air admission arm 54, air exhaust outlet 53, cooling air channel 55, wherein, air admission siphunculus 57 and air admission endless tube 56, air is discharged siphunculus 51 and is communicated with air discharge endless tube 52, air admission endless tube 56, air discharge endless tube 52 be separately positioned on body of heater 91 around, air admission endless tube 56 and air are discharged on the endless tube 52 and are connected to air admission arm 54 respectively, air exhaust outlet 53, wherein air admission arm 54 is connected on cooling air channel 55 belows, air exhaust outlet 53 is connected on the top of cooling air channel 55, and coal pocket blanking road 35 passes from cooling air channel 55 and leads to coking chamber 61.
As Figure 10, shown in Figure 9, because this body of heater 91 is designed to annular, around being beneficial to coking chamber 61, the coal pocket 31 that is provided with 8 notes coals around it carries out even coal, so cooling air channel 55 is corresponding with the quantity in coal pocket blanking road 35 also to be 8, when air enters air admission endless tube 56 successively from air admission siphunculus 57, air admission arm 54, cooling air channel 55, again from air exhaust outlet 53, air is discharged endless tube 52, air is discharged in the siphunculus 51 and is discharged, utilize in the cooling air channel 55 the stove coal of going in the coal pocket blanking road 35 is cooled off, prevent that effectively the stove coal from luming in coal pocket blanking road 35, realize in coking chamber 61, annotating coal smoothly.
In addition, coal pocket blanking road 35 mainly is that the inboard that relies on coking chamber 61 is subjected to the heat affecting of raw gas bigger, so the inner side-wall 351 in coal pocket blanking road 35 places cooling air channel 55, the outer side wall 352 in coal pocket blanking road 35 is exposed in the air, utilize natural air to cool off, reduce to blast the air quantity in the cooling air channel 55, thereby save energy consumption.
Claims (3)
1. the stove coal of going into of a pyrolysis of coal stove advances device for coal, it is characterized in that: include the stove cuttings conveyer, go into the stove coal bunker, the coal dust branch to device, coal dust distribution chamber, go into stove coal bunker tremie pipe, coal dust strainer, industry control center; Described coal dust strainer is arranged on into stove cuttings conveyer top, go into the stove cuttings conveyer and adopt screw conveying structure, be arranged on into stove coal bunker top, the coal dust branch of projection is set to device in the middle of going into stove coal bunker bottom, to go into stove coal bunker bottom and be divided into several coal dust distribution chambers, be connected to stove coal bunker tremie pipe respectively in coal dust distribution chamber bottom, go into stove coal bunker tremie pipe the blanking control valve is set, the industry control center with go into the stove cuttings conveyer and be connected with the blanking control valve, go into stove cuttings conveyer and blanking control valve and controlled by the industry control center.
2. according to claim 1ly a kind ofly go into the stove coal and advance device for coal, it is characterized in that: described coal dust strainer comprises filter body, the outer top cover of strainer, the strainer internal head cover, the steel fiber filtering net, off-air enters siphunculus, the dust funnel, discharge siphunculus in the off-air, off-air is discharged siphunculus outward, the filter body periphery is provided with the off-air that leads to the top from the bottom and enters siphunculus, be provided with the dust funnel in filter body inside, the dust funnel leads to into the stove coal bunker, discharging siphunculus in the off-air is arranged on the strainer internal head cover, and be positioned at above the dust funnel, the entrance of discharging siphunculus in the off-air is lower than the entrance that off-air enters siphunculus, off-air is discharged siphunculus outward and is arranged on the outer top cover of strainer, is provided with the steel fiber filtering net outside strainer internal head cover and strainer between the top cover.
3. according to claim 1ly a kind ofly go into the stove coal and advance device for coal, it is characterized in that: described industry control center also comprises into device for coal electric controller, advance the device for coal electric controller be serially connected in upper industry control center and go into the stove cuttings conveyer and the blanking control valve between, the industry control center is by advancing the coal electric controller to going into the stove cuttings conveyer and the blanking control valve is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210278664 CN102786955B (en) | 2012-08-06 | 2012-08-06 | Coal feeding device for coal pyrolyzing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210278664 CN102786955B (en) | 2012-08-06 | 2012-08-06 | Coal feeding device for coal pyrolyzing furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102786955A CN102786955A (en) | 2012-11-21 |
| CN102786955B true CN102786955B (en) | 2013-10-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201416899Y (en) * | 2009-03-13 | 2010-03-03 | 郭翠苹 | Solid fuel feeder for nonmetallic industrial furnace |
| CN202881182U (en) * | 2012-08-06 | 2013-04-17 | 山西鑫立能源科技有限公司 | As-fired coal feeding device of coal pyrolysis furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201416899Y (en) * | 2009-03-13 | 2010-03-03 | 郭翠苹 | Solid fuel feeder for nonmetallic industrial furnace |
| CN202881182U (en) * | 2012-08-06 | 2013-04-17 | 山西鑫立能源科技有限公司 | As-fired coal feeding device of coal pyrolysis furnace |
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