CN102784528B - Filter for pulverized coal as fired of pyrolysis furnace - Google Patents
Filter for pulverized coal as fired of pyrolysis furnace Download PDFInfo
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- CN102784528B CN102784528B CN201210275444.7A CN201210275444A CN102784528B CN 102784528 B CN102784528 B CN 102784528B CN 201210275444 A CN201210275444 A CN 201210275444A CN 102784528 B CN102784528 B CN 102784528B
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Abstract
The invention discloses a filter for pulverized coal as fired of a pyrolysis furnace. The filter comprises a shell, an outer top cover, an inner top cover, a metal fiber filter net, an exhaust air feeding through pipe, a dust funnel, an inner exhaust air discharge through pipe and an outer exhaust air discharge through pipe, wherein the exhaust air feeding through pipe is arranged at the circumferential side of the shell from bottom to top, and the dust funnel is arranged inside the shell; the inner exhaust air discharge through pipe is arranged on the inner top cover, and positioned above the dust funnel, and an inlet of the inner exhaust discharge through pipe is lower than an inlet of the exhaust air feeding through pipe; and the outer exhaust air discharge through pipe is arranged on the outer top cover, and the metal fiber filter net is arranged between the inner top cover and the outer top cover. The pulverized coal in the air can be effectively filtered through the metal fiber filter net when the heated air naturally rises by the thermal buoyancy without additional air pumps, fans and other energy-consuming devices, the structure is simple, and the cost is saved.
Description
Technical field
The present invention relates to a kind of coal fine filter, particularly to the filter being filtered by the airborne coal dust that enters the heating of stove coal of coal heat decomposition stove.
Background technology
Coal heat decomposition stove in the market (coke oven) mostly adopts batch (-type) coking, enter stove coal charge for wet coal, if utilize coal heat decomposition stove self burnt gas to carry out drying and dehydrating to entering stove coal dust, entering stove coal dust also can be to the air as in dewater unit housing when being dried; In addition, when utilizing coal heat decomposition stove self burnt gas to carry out preheating to entering stove coal dust, enter stove coal dust also can heat the air in the preheating chamber of preheating device when being preheated, in heated air with a large amount of coal dusts, if be directly discharged in atmosphere, can pollute to atmosphere.
This impels the inventor to think deeply to develop a kind of coal fine filter to carry out dust-filtering to the air entering before atmosphere.
Summary of the invention
What the invention provides a kind of coal heat decomposition stove enters stove coal coal fine filter, and this coal fine filter can effectively filter the air-borne dust entering before atmosphere.
The present invention is achieved through the following technical solutions:
A kind of coal heat decomposition stove enter stove coal coal fine filter, comprise filter housings, the outer top cover of filter, filter internal head cover, metallic fiber screen pack, off-air enters siphunculus, dust funnel, in off-air, discharge siphunculus, off-air is discharged siphunculus outward, filter housings periphery is provided with the off-air that leads to top from bottom and enters siphunculus, in filter housings inside, be provided with dust funnel, in off-air, discharging siphunculus is arranged on filter internal head cover, and be positioned at above dust funnel, the entrance of discharging siphunculus in off-air enters the entrance of siphunculus lower than off-air, off-air is discharged siphunculus outward and is arranged on the outer top cover of filter, outside filter internal head cover and filter, between top cover, be provided with metallic fiber screen pack.
Preferably, off-air enters and in siphunculus and off-air, discharges siphunculus and become vertical angle in filter housings, to form cyclone structure.
The entering heat buoyancy that stove coal coal fine filter utilizes heated air and can effectively filter airborne coal dust by metallic fiber screen pack in naturally rising of coal heat decomposition stove of the present invention, do not need additionally to increase the energy-dissipating devices such as air pump, blower fan, simple in structure, save cost.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is that the stove coal coal fine filter that enters of coal heat decomposition stove of the present invention is assembled schematic diagram in entering stove coal dewatering device;
Fig. 2 is A place enlarged drawing in Fig. 1;
Fig. 3 be coal heat decomposition stove of the present invention enter stove coal coal fine filter one embodiment schematic top plan view;
Fig. 4 be coal heat decomposition stove of the present invention enter another embodiment schematic top plan view of stove coal coal fine filter;
Fig. 5 is that the stove coal coal fine filter that enters of coal heat decomposition stove of the present invention is assembled cross-sectional schematic in entering device for coal
Fig. 6 is C place enlarged drawing in Fig. 5;
Fig. 7 is the preheater cutaway view in the related preheating device that enters device for coal of stove coal coal fine filter that enters of coal heat decomposition stove of the present invention;
Fig. 8 is a-a place sectional view in Fig. 6;
Fig. 9 be coal heat decomposition stove of the present invention enter stove coal coal fine filter related enter stove coal cooling device schematic diagram;
Figure 10 is b-b place sectional view in Fig. 9;
Figure 11 is the electrical connection schematic diagram that stove coal coal fine filter relates to that enters of coal heat decomposition stove of the present invention.
The specific embodiment
The stove coal coal fine filter that enters of coal heat decomposition stove of the present invention is mainly used in entering in the devices such as stove coal dewatering and coal, preheating, adjusting of coal stove pyrolysis oven, below to being divided into the some chapters and sections of three parts, introduces respectively.
First part enters stove coal proportioning and preparation
A kind of coal heat decomposition stove involved in the present invention, can enter stove coal proportioning according to different, obtains the coke that grade is different.
Following steps: 1) select 5 kinds of different coals, 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%, first mix the fragmentation of then sieving, until reaching 5mm, crushed particles is formed into below stove coal, certainly coal heat decomposition stove of the present invention to other proportioning and granular size to enter stove coal applicable equally, do not form the required restriction that enters stove coal dust of coal heat decomposition stove of the present invention, just by above, lifted enter stove coal proportioning and can reach more than 40% the weakly caking coal amount of allocating into, reduced the cost that enters stove coal and can obtain the coke of better quality again, on market, there is fine competitiveness simultaneously.
Second portion enters stove coal dewatering
Coke oven in the market mostly adopts batch (-type) coking, enters stove coal charge for wet coal, so power consumption has increased the cost of coking, enters dewatering of stove coal in advance to what enter this coal heat decomposition stove, plays energy-saving and cost-reducing effect.
As shown in Figure 1: the described stove coal dewatering device 1 that enters comprises dehydration support body 10, bucket elevator 11, waste gas dehydrator 12, coal fine filter 13, feed bin 14, deduster 15, chimney 16, enters stove coal conveyer 17.
As Fig. 1, shown in Fig. 2: waste gas dehydrator 12 comprises dehydrator shell 121, hot waste gas master enters pipe 122, the main discharge tracheae 123 of dehydration waste gas, feeder 124, waste gas fin 125, above dehydrator shell 121, be provided with feeder 124, below the inner feeder 124 of dehydrator shell 121, be provided with at least one group of waste gas fin 125, the inside of waste gas fin 125 is provided with hot waste gas admission passage 1251, dehydration waste gas passing away 1252, hot waste gas admission passage 1251 and dehydration waste gas passing away 1252 enter pipe 122 with hot waste gas master respectively, the main discharge tracheae 123 of dehydration waste gas communicates, hot waste gas admission passage 1251 and dehydration waste gas passing away 1252 are and are arranged above and below in the inside of waste gas fin 125, be beneficial to the drying and dehydrating into stove coal.
As shown in Figure 2: feeder 124 includes hopper 1241, pan feeding vibratory sieve 1242, blanking channel 1243, blanking vibratory sieve 1244, pan feeding vibratory sieve 1242 is set in material bin 1241, scattered and be provided with a plurality of blanking channels 1243 by middle part in material bin 1241 belows, below blanking channel 1243, be provided with again blanking vibratory sieve 1244, blanking vibratory sieve 1244 belows arrange waste gas fin 125, and the object of design is more even in order to allow stove coal distribute above waste gas fin 125 like this.
As shown in Figure 2: the arrangement of three groups of 125 one-tenth upper, middle and lower of waste gas fin, waste gas fin 125 profiles are made acute triangle upward, between upper group of waste gas fin 125 and middle group of waste gas fin 125, shift to install, the waste gas fin 125 in group is just in time arranged between two adjacent waste gas fin 125 in group, in like manner, lower group of waste gas fin 125 is just in time arranged between two adjacent waste gas fin 125 in middle group, and object is drying area in order to be added to stove coal, is beneficial to into coal and disperses landing.
As Fig. 1, Fig. 2, shown in Fig. 3: coal bunker 14 is set below waste gas fin 125, on coal bunker 14, put and be provided with coal fine filter 13, our image is called coal dust respirator, coal fine filter 13 mainly comprises filter housings 131, in off-air, enter siphunculus 132, dust funnel 133, in off-air, discharge siphunculus 134, off-air is discharged siphunculus 135 outward, in filter housings 131 periphery settings, be provided with and in the off-air that leads to top from bottom, enter siphunculus 132, in filter housings inside, be provided with dust funnel 133, dust funnel 133 leads to coal bunker 14, above dust funnel 133, be provided with and in off-air, discharge siphunculus 134, in off-air, enter the entrance 1321 of siphunculus 132 higher than the entrance 1341 of discharging siphunculus 134 in off-air, in off-air, discharging siphunculus 134 is arranged on filter internal head cover 137, off-air is discharged siphunculus 135 outward and is arranged on the outer top cover 138 of filter, outside filter internal head cover 137 and filter, between top cover 138, be provided with metallic fiber screen pack 136.
As shown in Figure 3: in off-air, enter siphunculus 132 and be arranged in filter housings 131, in off-air, enter siphunculus 132 and in off-air, discharge 134 one-tenth vertical angles of siphunculus at the interior formation cyclone structure of filter housings 131.
As shown in Figure 1: deduster 15 connects the main discharge tracheae 123 of dehydration waste gas, deduster 15 is existing dedusting technologies, deduster 15 comprises shell of dust remover 151, dirt pocket 152, the main discharge tracheae 123 of dehydration waste gas leads to dirt pocket 152, dirt pocket 152 communicates with chimney 16 by air-introduced machine 18 again, dirt pocket 152 belows arrange flyash delivery pipe 153, described dirt pocket 152 can be wet dedusting, also can adopt dry-method bag-type dust collecting, introduce wet dedusting herein, above the interior dirt pocket of shell of dust remover 151, be provided with fountain head 154, in the water that the main discharge tracheae 123 of dehydration waste gas submerges in dirt pocket 152.
As Fig. 1, shown in Fig. 2: hot waste gas enters by hot waste gas master the waste gas admission passage 1251 that tracheae 122 enters waste gas fin 125 inside, dehydration waste gas passing away 1252 by waste gas fin 125 inside enters the main discharge tracheae 123 of dehydration waste gas again, after cleaning through the water layer in dirt pocket 152 again, from chimney 16, discharge, in hot waste gas, flyash is stayed in water layer and is regularly discharged by flyash delivery pipe 153, both played hot waste gas was purified, can reduce hot waste gas exhaust temperature again, be beneficial to air draft, protection air-introduced machine 18, reach the object 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 burning enters tracheae 122 typical temperatures at 700 ℃～800 ℃ entering hot waste gas master, utilize the waste heat of hot waste gas self to heat waste gas fin 125, can lower the temperature to the hot waste gas after burning, thereby the stove coal that enters through waste gas fin 125 is dewatered, can allow again the moisture content of stove coal below 1%, reach the effective utilization to the hot waste gas after 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, enter the bottom that stove coal conveyer 17 is arranged on coal bunker 14.
As shown in figure 11: this example also comprises industry control center 90,90 pairs, industry control center with it directly the air-introduced machine 18 of electrical connection, enter stove coal conveyer 17 and bucket elevator 11 is controlled,
This example also includes stove coal electric controller 901, entering 901 pairs of stove coal electric controllers enters stove coal conveyer 17, air-introduced machine 18 and bucket elevator 11 and automatically controls respectively, enter stove coal electric controller 901 and be connected with upper industry control center 90 again, realize entering the automation of stove coal dewatering.Certainly, from electric control theory, in this example, enter stove coal conveyer 17, air-introduced machine 18 and bucket elevator 11 and controlled by industry control center 90, so set into the restriction that stove coal electric controller 901 does not form this routine protection domain herein.
This example enters stove coal dewatering Method And Principle:
1, industry control center 90 feeds stove coal electric controller 901 and spreads out of into stove coal conveyer 17, air-introduced machine 18 and bucket elevator 11 enabling signals, the stove coal that enters first proportioning being completed by bucket elevator 11 is sent in dehydrator shell 121 top material bins 1241, by pan feeding vibratory sieve 1242, blanking channel 1243, blanking vibratory sieve 1244, waste gas fin 125, finally falls into coal bunker 14;
2, hot waste gas is entered in the waste gas admission passage 1251 that tracheae 122 passes into waste gas fin 125 inside by hot waste gas master, dehydration waste gas passing away 1252 by waste gas fin 125 inside enters the main discharge tracheae 123 of dehydration waste gas again, and the water layer entering again in dirt pocket 152 by air-introduced machine 18 cleans afterwards from chimney 16 discharges;
3, meanwhile, enter stove coal through waste gas fin 125, fall into 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 fine filter 13 and enters siphunculus 132 (as Fig. 3), because the entrance 1321 that enters siphunculus 132 in off-air is higher than the entrance 1341 of discharging siphunculus 134 in off-air, hot off-air forms whirlwind from top to bottom and enters discharge siphunculus 134 in off-air, finally by crossing metallic fiber screen pack 136 and off-air, discharge siphunculus 135 discharges outward, thereby the dust in off-air falls into the dust funnel 133 of below and enters coal bunker 14 because metallic fiber screen pack 136 intercepts.
Third part enters stove coal and enters coal, preheating, adjusting, cooling
Entering stove coal and generally can be down to normal temperature through temperature after carrying after dehydration, particularly winter temperature is lower, temperature may be lower, but but it is more suitable to wish that stove coal temperature remains between 200 ℃ to 300 ℃ during coking, so need to carry out preheating before entering the carbonization chamber of coal heat decomposition stove to entering stove coal.
First segment enters stove coal and enters coal
As shown in Figure 5: enter that device for coal 2 mainly includes stove cuttings conveyer 21, enters stove coal bunker 22, coal dust divides to device 25, coal dust distributor chamber 26, enters stove coal bunker tremie pipe 29, coal fine filter 23.
As shown in Figure 5, enter stove cuttings conveyer 21 and adopt screw conveying structure, be arranged on into stove coal bunker 22 tops, entering stove coal bunker 22 arranges protruding coal dust in the middle of bottoms and divides to device 25, to enter stove coal bunker 22 bottoms and be divided into several coal dust distributor chambers 26, this example arranges 8 coal dust distributor chambers 26 altogether, is connected to respectively stove coal bunker tremie pipe 29, enters on stove coal bunker tremie pipe 29 blanking control valve 24 is set in coal dust distributor chamber 26 bottoms.
As Fig. 5, shown in Fig. 4, coal fine filter 23 (substantially just the same with the coal fine filter structure of introducing in this routine second portion) is arranged on the top into stove coal bunker 22, mainly comprise filter housings 231, off-air enters siphunculus 232 outward, dust funnel 233, in off-air, discharge siphunculus 234, off-air is discharged siphunculus 235 outward, off-air enters siphunculus 232 outward and is arranged on filter housings 231 neighborings, in filter housings 231 inside, be provided with dust funnel 233, dust funnel 233 leads to into stove coal bunker 22, above dust funnel 233, be provided with and in off-air, discharge siphunculus 234, off-air enters the entrance of siphunculus 232 outward higher than discharging siphunculus 234 entrances in off-air, off-air enters siphunculus 232 outward and in off-air, discharges 234 one-tenth vertical angles of siphunculus at filter housings 231 formation cyclone structures, in off-air, discharging siphunculus 234 is arranged on filter internal head cover 237, off-air is discharged siphunculus 235 outward and is arranged on the outer top cover 238 of filter, outside filter internal head cover 237 and filter, between top cover 238, be provided with metallic fiber screen pack 236.
In addition; as shown in figure 11; this example also comprises into device for coal electric controller 902; enter that 902 pairs of coal electric controllers enter stove cuttings conveyer 21 and blanking control valve 24 is controlled; entering device for coal electric controller 902 is connected with upper industry control center 90 again; certainly from electric control theory, in this example, enter stove cuttings conveyer 21 and blanking control valve 24 and controlled by industry control center 90, so arrange into device for coal electric controller 902, do not form the restriction to this routine protection domain herein.
Second section enters the preheating of stove coal
As shown in Figure 5, Figure 6: preheating device 39 is placed in into the below of device for coal 2, and preheating device 39 is positioned at the top of coal heat decomposition stove 9.
As Fig. 6, Fig. 7, shown in Fig. 8, preheating device 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 Fig. 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, at waste gas, assemble circuit 395 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 by exhaust air chamber 391 and waste gas is communicated with, and will between internal layer body of wall 913 and middle level body of wall 912, be separated into several preheating chambers 394 (as shown in Figure 8, this example has 8 heating by the exhaust gases passages 392 will be separated out 8 preheating chambers 394), preheater 393 is placed in respectively each preheating chamber 394.
As shown in Figure 7, Figure 8: 393 one-tenth cylindrical shapes of preheater adopt Steel material, preheater 393 comprises that cylindrical shell 3931, taper divide to device 3932, open wide funnel 3933, pre-hot coal blanking road 3934, taper divides to device 3932 and unlimited funnel 3933 arranges in groups from top to bottom successively on cylindrical shell 3931, is beneficial to entering the even preheating of coal stove.
As shown in Fig. 8, Fig. 6, body of heater 91 adopts circle to be beneficial to space priorization, and reserved certain space between preheater 393 and preheating chamber 394 utilizes the hot-air in exhaust air chamber 391 to heat preheater 393, and homogeneous heating is stable.
As shown in Figure 6, on body of heater 91, be provided with and lead to preheating chamber thermometer hole 3941, preheating chamber thermometer 3942 is arranged on 3941 outlets of preheating chamber thermometer hole for monitoring the variations in temperature of preheating chamber 394, on body of heater 91, be provided with and lead to exhaust air chamber thermometer hole 3914, exhaust air chamber thermometer 3915 is arranged on 3914 outlets of waste gas thermometer hole for monitoring the variations in temperature of exhaust air chamber 391, in addition, at the top of exhaust air chamber 391, upper observation hole 3912 is set, in the bottom of exhaust air chamber 391, lower observation hole 3913 is set so that technical staff observes exhaust air chamber 391, the working condition of coal heat decomposition stove 9 bottoms.
As shown in Figure 5, 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 fine filter 23 enters siphunculus 232 outward, the hot off-air of dust-laden of preheating chamber 394 tops is entered to off-air and enter outward in siphunculus 232, the stove coal that enters being conducive in coal stove storehouse 22 drops into preheating in preheating chamber 394 smoothly.
As Fig. 5, Fig. 6, shown in Fig. 8, the bottom of exhaust air chamber 391 is provided with hot waste gas admission passage 3911, hot waste gas after burning enters from hot waste gas admission passage 3911, by heating by the exhaust gases passage 392, entering waste gas assembles in circuit 395, finally from waste gas, assemble waste gas primary outlet 3951 discharges of circuit 395, hot waste gas after 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 heat conduction, the unique texture design of this preheating device 39, be to utilize the hot waste gas of discharging after burning from exhaust air chamber 391 to heat air in preheating chamber 394, reach and carry out preheating to falling into the stove coal that enters of preheater 393, can lower the temperature to the hot waste gas of discharging after burning from exhaust air chamber 391 again simultaneously, do not need to consume the extra energy, reach self the UTILIZATION OF VESIDUAL HEAT IN object to the hot waste gas after burning.
In addition, as shown in figure 11, this example also comprises that preheat temperature monitor 903 is for monitoring the temperature data of preheating chamber thermometer 3942 and exhaust air chamber thermometer 3915.Preheat temperature monitor 903 is connected with upper industry control center 90 again; certainly from electric control theory; in this example, preheating chamber thermometer 3942 and exhaust air chamber thermometer 3915 also can directly be subject to 90 monitorings of industry control center, so preheat temperature monitor 903 is set, do not form the restriction to this routine protection domain herein.
The stove coal that enters after the 3rd joint preheating regulates
As shown in Figure 5, Figure 6, enter stove coal surge bunker 3, entering stove coal surge bunker 3 is arranged on and on body of heater 91, is positioned at preheater 393 bottoms, the periphery of exhaust air chamber 391, enters stove coal surge bunker 3 and comprises coal pocket 31, the upper and lower material level meter 32,33 of coal bunker, coal pocket thermometer 34, coal pocket blanking road 35, coal pocket baiting valve 36.
As shown in Figure 5, Figure 6, coal pocket 31 tops connect preheater 393 bottoms, the upper and lower material level meter 32,33 of coal bunker is located at respectively top and the bottom of coal pocket 31, 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, coal pocket blanking road 35 leads to coal heat decomposition stove carbonization chamber 61 (shown in Fig. 9).
In addition, as shown in figure 11: this example also includes stove coal and regulates electric controller 904 for gathering coal bunker, lower level-sensing device 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, entering stove coal regulates electric controller 904 to be connected with upper industry control center 90 again, certainly from electric control theory, in this example, gather on coal bunker, lower level-sensing device 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 controlled by industry control center 90, so set into stove coal herein, regulate electric controller 904 not form the restriction to this routine protection domain.
This example enters stove coal control method:
1, the stove coal that enters after preheating is injected to coal pocket 31 and first stores away in advance, when needs to carbonization chamber 61 in during coal, industry control center 90 is opened coal pocket baiting valves 36 and is injected into stove coal in carbonization chamber 61;
2, when needs stop coal to carbonization chamber, coal pocket baiting valve 36 is closed at industry control center 90, stops adding stove coal in carbonization chamber 61;
When 3, under coal bunker, level-sensing device 33 detects the coal deficiency in coal pocket 31, blanking control valve 24 is opened at industry control center 90, give coal in coal pocket 31, the coal that level-sensing device 32 detects in coal pocket 31 on coal bunker is filled it up with, blanking control valve 24 is closed at industry control center 90, stop to coal pocket 31 coals, play and regulate entering the stove coal that enters of carbonization chamber 61.
As shown in Figure 5, Figure 6, coal pocket 31 tops are also provided with coal pocket hot air discharge passage 37, the off-air that coal pocket hot air discharge passage 37 leads to coal fine filter 23 enters siphunculus 232 outward, the dust-laden hot-air of coal pocket 31 tops is entered off-air and is entered outward in siphunculus 232, is beneficial to coal smoothly in coal pocket 31
The 4th save into before carbonization chamber to enter stove coal cooling
As shown in Figure 9, coal pocket blanking road 35 is when the carbonization chamber 61 note coal to coal heat decomposition stove, because carbonization chamber 61 tops exist the raw coke oven gas producing in a large amount of pyrolysis of coal processes, the higher meeting of raw gas temperature is carried out heat conduction to coal pocket blanking road 35 bodys and body of heater 91, cause stove coal easily to lump in coal pocket blanking road 35, obstruction is noted coal in carbonization chamber 61, thereby need to carry out cooling to entering stove coal.
As Fig. 9, shown in Figure 10, enter stove coal cooling device 5 and comprise that air enters siphunculus 57, Bas Discharged siphunculus 51, air enters endless tube 56, Bas Discharged endless tube 52, air enters arm 54, Bas Discharged arm 53, cooling air channel 55, wherein, air enters siphunculus 57 and enters endless tube 56 with air, Bas Discharged siphunculus 51 communicates with Bas Discharged endless tube 52, air enters endless tube 56, Bas Discharged endless tube 52 is separately positioned on the surrounding of body of heater 91, air enters and on endless tube 56 and Bas Discharged endless tube 52, is connected to respectively air and enters arm 54, Bas Discharged arm 53, wherein air enters arm 54 and is connected on cooling air channel 55 belows, Bas Discharged arm 53 is connected on the top of cooling air channel 55, coal pocket blanking road 35 passes and leads to carbonization chamber 61 from cooling air channel 55.
As Figure 10, shown in Fig. 9, because this body of heater 91 is designed to annular, the coal pocket 31 that is provided with 8 note coals in its surrounding is beneficial to carbonization chamber 61 surroundings and carries out even coal, so the quantity in cooling air channel 55 and coal pocket blanking road 35 is corresponding is also 8, when air enters from air, siphunculus 57, enter successively air and enter endless tube 56, air enters arm 54, cooling air channel 55, again from Bas Discharged arm 53, Bas Discharged endless tube 52, in Bas Discharged siphunculus 51, discharge, utilizing in cooling air channel 55 carries out cooling to the stove coal that enters in coal pocket blanking road 35, effectively prevent that stove coal from luming in coal pocket blanking road 35, realize and in carbonization chamber 61, note coal smoothly.
In addition, coal pocket blanking road 35 is mainly that the inner side that relies on carbonization chamber 61 is subject to the heat affecting of raw coke oven gas larger, so the madial wall 351 in coal pocket blanking road 35 is placed in cooling air channel 55, the lateral wall 352 in coal pocket blanking road 35 is exposed in air, utilize natural air to carry out cooling, reduce to blast the air quantity in cooling air channel 55, thereby save energy consumption.
Claims (2)
1. a coal heat decomposition stove enters stove coal coal fine filter, it is characterized in that: comprise filter housings, the outer top cover of filter, filter internal head cover, metallic fiber screen pack, off-air enters siphunculus, dust funnel, in off-air, discharge siphunculus, off-air is discharged siphunculus outward, filter housings periphery is provided with the off-air that leads to top from bottom and enters siphunculus, in filter housings inside, be provided with dust funnel, in off-air, discharging siphunculus is arranged on filter internal head cover, and be positioned at above dust funnel, the entrance of discharging siphunculus in off-air enters the entrance of siphunculus lower than off-air, off-air is discharged siphunculus outward and is arranged on the outer top cover of filter, outside filter internal head cover and filter, between top cover, be provided with metallic fiber screen pack.
A kind of coal heat decomposition stove according to claim 1 enter stove coal coal fine filter, it is characterized in that: described off-air enters siphunculus and in off-air, discharges siphunculus and become vertical angle in filter housings, to form cyclone structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210275444.7A CN102784528B (en) | 2012-08-06 | 2012-08-06 | Filter for pulverized coal as fired of pyrolysis furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210275444.7A CN102784528B (en) | 2012-08-06 | 2012-08-06 | Filter for pulverized coal as fired of pyrolysis furnace |
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| CN102784528B true CN102784528B (en) | 2014-08-06 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201930657U (en) * | 2010-12-17 | 2011-08-17 | 居琴 | Dust removal device |
| CN102250629A (en) * | 2011-06-13 | 2011-11-23 | 山西利华新科技开发有限公司 | Coking furnace capable of recycling heat energy and coking method |
| CN202297531U (en) * | 2011-10-25 | 2012-07-04 | 陕西华祥能源科技集团有限公司 | Moving bed pulverized coal pyrolysis and fluidized bed coke breeze gasification coupling device |
| CN202778128U (en) * | 2012-08-06 | 2013-03-13 | 山西鑫立能源科技有限公司 | Coal-as-fired powder filter of coal pyrolysis furnace |
-
2012
- 2012-08-06 CN CN201210275444.7A patent/CN102784528B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201930657U (en) * | 2010-12-17 | 2011-08-17 | 居琴 | Dust removal device |
| CN102250629A (en) * | 2011-06-13 | 2011-11-23 | 山西利华新科技开发有限公司 | Coking furnace capable of recycling heat energy and coking method |
| CN202297531U (en) * | 2011-10-25 | 2012-07-04 | 陕西华祥能源科技集团有限公司 | Moving bed pulverized coal pyrolysis and fluidized bed coke breeze gasification coupling device |
| CN202778128U (en) * | 2012-08-06 | 2013-03-13 | 山西鑫立能源科技有限公司 | Coal-as-fired powder filter of coal pyrolysis furnace |
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| CN102784528A (en) | 2012-11-21 |
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