CN202936377U - As-fired coal cooling device of coal pyrolyzing furnace - Google Patents

Abstract

The utility model discloses an as-fired coal cooling device of a coal pyrolyzing furnace. The as-fired coal cooling device comprises an air inlet through pipe, an air outlet through pipe, an air inlet annular pipe, an air outlet annular pipe, an air inlet branch pipe, an air outlet branch pipe and a cooling air flue, wherein the air inlet through pipe and the air inlet annular pipe are communicated, and the air outlet through pipe and the air outlet annular pipe are communicated; the air inlet annular pipe and the air outlet annular pipe are respectively arranged around the furnace body of the coal pyrolyzing furnace, and the air inlet annular pipe and the air outlet annular pipe are respectively connected with the air inlet branch pipe and the air outlet branch pipe; the air inlet branch pipe is connected under the cooling air flue, the air outlet branch pipe is connected above the cooling air flue, and a blanking channel of a small coal bunker penetrates through the cooling air flue and leads to a carbonization room. According to the as-fired coal cooling device of the coal pyrolyzing furnace disclosed by the utility model, the as-fired coal can be cooled to a certain extent when being injected into the carbonization room, and the as-fired coal can be effectively prevented from caking in the blanking channel of the small coal bunker leading to the carbonization room.

Description

A kind of coal heat decomposition stove enter stove coal refrigerating unit

Technical field

The utility model relates to a kind of refrigerating unit, particularly a kind of refrigerating unit that prevents that the stove coal from luming in leading to the coal pocket blanking road of coking chamber.

Background technology

Coal heat decomposition stove in the market (pit kiln) mostly adopts intermittent type coking, enter the stove coal proportioning, to dewater, advance each processing steps such as coal, charing relatively independent, when doing industry, coal do not need to carry out cooling to entering the stove coal carrying out in the coking chamber of coal heat decomposition stove, but when to advance coal, charring process is realized consecutive hours, enter the stove coal in the impact that is subjected to coking chamber top high temperature raw gas in the coking chamber filling process of coal heat decomposition stove, appearance is lumpd in leading to the coal pocket blanking road of coking chamber, hinders to add in the coking chamber and injects the stove coal.

This impels the inventor to think deeply to develop a kind of stove coal refrigerating unit that enters, and gives to enter the stove coal when injecting coking chamber and carry out to a certain degree cooling.

Summary of the invention

What the utility model provided a kind of coal heat decomposition stove enters stove coal refrigerating unit, and this refrigerating unit can be given and enter the stove coal when injecting coking chamber and carry out to a certain degree cooling, prevents that the stove coal from luming in leading to the coal pocket blanking road of coking chamber.

The utility model is achieved through the following technical solutions:

A kind of coal heat decomposition stove enter stove coal refrigerating unit, comprise that air enters siphunculus, Bas Discharged siphunculus, air and enters endless tube, Bas Discharged endless tube, air and enter arm, Bas Discharged arm, cooling air channel, wherein, air enters siphunculus and air enters endless tube, and the Bas Discharged siphunculus communicates with the Bas Discharged endless tube; Air enters the body of heater surrounding that endless tube and Bas Discharged endless tube are separately positioned on coal heat decomposition stove, and air enters and is connected to respectively air on endless tube and Bas Discharged endless tube and enters arm and Bas Discharged arm; Air enters arm and is connected on cooling air channel below, and the Bas Discharged arm is connected on the top of cooling air channel, and coal pocket blanking road passes from cooling air channel and leads to coking chamber.

Preferably, the inner side-wall in coal pocket blanking road is placed in cooling air channel, and the outer side wall in coal pocket blanking road is exposed in air.

The utility model coal heat decomposition stove enter stove coal refrigerating unit by blasting air to entering in siphunculus 57, enter endless tube when air enters air successively, air enters arm, cooling air channel, discharges from Bas Discharged arm, Bas Discharged endless tube, Bas Discharged siphunculus, utilize in cooling air channel and to carry out cooling to the stove coal that enters in coal pocket blanking road, prevent that effectively the stove coal from luming in coal pocket blanking road, realize annotating coal smoothly in coking chamber.

Description of drawings

Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.

Fig. 1 is that the related stove coal dewatering device that enters of stove coal refrigerating unit that enters of the utility model coal heat decomposition stove is assembled schematic diagram;

Fig. 2 is A place enlarged view in Fig. 1;

Fig. 3 be the utility model coal heat decomposition stove enter stove coal refrigerating unit related enter water trap one embodiment schematic top plan view in stove coal dewatering device;

Fig. 3-1st, the utility model coal heat decomposition stove enter stove coal refrigerating unit related enter water trap one embodiment downward projection schematic diagram in stove coal dewatering device;

Fig. 4 be the utility model coal heat decomposition stove enter stove coal refrigerating unit related enter another embodiment schematic top plan view of water trap in stove coal dewatering device;

Fig. 5 is that the related devices such as coal, preheating that advance that enter the stove coal of stove coal refrigerating unit that enter of the utility model coal heat decomposition stove are assembled cross-sectional schematic;

Fig. 6 is C place enlarged view in Fig. 5;

Fig. 7 be the utility model coal heat decomposition stove enter stove coal refrigerating unit related enter preheater sectional view in stove coal primary heater unit;

Fig. 8 is a-a place sectional view in Fig. 6;

Fig. 9 be the utility model coal heat decomposition stove enter stove coal refrigerating unit schematic diagram;

Figure 10 is b-b place sectional view in Fig. 9;

Figure 11 be the utility model coal heat decomposition stove enter the related electrical connection schematic diagram of stove coal refrigerating unit.

Embodiment

The specific embodiment that enters stove coal refrigerating unit of a kind of coal heat decomposition stove of the utility model is mainly introduced in following third part the 4th joint in detail.

First part enters stove coal proportioning and preparation

A kind of coal heat decomposition stove that the utility model is related can enter stove coal proportioning according to different, obtains the different coke of grade.

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, crushed particles is formed into the stove coal below 5mm, certainly the utility model coal heat decomposition stove to other proportioning and granular size to enter the stove coal applicable equally, do not consist of the required restriction that enters the stove coal dust of the utility model coal heat decomposition stove, just by above entering stove coal proportioning and can reaching more than 40% the weakly caking coal amount of allocating into of lifting, reduced the cost that enters the stove coal and can obtain the coke of better quality again simultaneously, had fine competitive power on market.

Second section enters the stove coal dewatering

Pit kiln in the market mostly adopts intermittent type coking, enters the stove coal charge and is wet coal, so power consumption has increased the cost of coking, enters dewatering of stove coal to what enter this coal heat decomposition stove in advance, plays energy-saving and cost-reducing effect.

As shown in Figure 1: describedly enter stove coal dewatering device 1 and comprise dehydration support body 10, bucket elevator 11, waste gas water trap 12, coal fine filter 13, feed bin 14, fly-ash separator 15, chimney 16, enter 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, feeder 124, waste gas radiator element 125, be provided with feeder 124 above dehydrator shell 121, be provided with at least one group of waste gas radiator element 125 below the inner feeder 124 of dehydrator shell 121, 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, be beneficial to the drying and dehydrating into the stove coal.

As shown in Figure 2: feeder 124 includes 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 material bin 1241, scattered by the middle part and be provided with a plurality of blanking channels 1243 in material bin 1241 belows, be provided with again blanking vibratory screening apparatus 1244 below blanking channel 1243, blanking vibratory screening apparatus 1244 belows arrange waste gas radiator element 125, and the purpose of design is more even in order to allow the stove coal distribute above waste gas radiator element 125 like this.

As shown in Figure 2: three groups of the 125 one-tenth upper, middle and lower arrangement of waste gas radiator element, waste gas radiator element 125 profiles are made acute triangle up, shift to install between upper group of waste gas radiator element 125 and middle group of waste gas radiator element 125, a waste gas radiator element 125 namely in group just in time is arranged between two adjacent waste gas radiator element 125 in group, in like manner, lower group of waste gas radiator element 125 just in time is arranged between two adjacent waste gas radiator element 125 in middle group, and 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, Fig. 3, shown in Fig. 3-1: coal bunker 14 is set below waste gas radiator element 125, put on coal bunker 14 and be provided with coal fine filter 13, our image is called the coal dust respiratory organ, coal fine filter 13 mainly comprises filter body 131, enter siphunculus 132 in off-air, dust funnel 133, discharge siphunculus 134 in off-air, off-air is discharged siphunculus 135 outward, be provided with at filter body 131 peripheries and enter siphunculus 132 in the off-air that leads to the top from the bottom, be provided with dust funnel 133 in filter body inside, dust funnel 133 leads to coal bunker 14, be provided with above dust funnel 133 and discharge siphunculus 134 in off-air, enter the entrance 1321 of siphunculus 132 in off-air higher than discharging the entrance 1341 of siphunculus 134 in off-air, discharging siphunculus 134 in off-air is arranged on strainer internal head cover 137, off-air is discharged siphunculus 135 outward and is arranged on the outer top cover 138 of strainer, be provided with steel fiber filtering net 136 between top cover 138 outside strainer internal head cover 137 and strainer.

As shown in Figure 3: enter siphunculus 132 in off-air and be arranged in filter body 131, enter 134 one-tenth vertical angles of siphunculus 132 and off-air interior discharge siphunculus in off-air at the interior formation cyclone structure of filter body 131.

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 shell of dust remover 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 interior dust settling chamber of shell of dust remover 151, dehydration waste gas master discharges tracheae 123 and submerges in water in dust settling chamber 152.

as Fig. 1, shown in Figure 2: hot waste gas enters by the hot waste gas master waste gas admission passage 1251 that tracheae 122 enters 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, discharge from chimney 16 after cleaning through the water layer in dust settling chamber 152 again, in hot waste gas, flyash is stayed in water layer and is regularly discharged by flyash delivery pipe 153, 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 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 burning, thereby the stove coal that enters through waste gas radiator element 125 is dewatered, can allow again the water ratio 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, enters 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 90,90 pairs, industry control center with it directly the induced draft fan 18 of electrical connection, enter stove coal transfer roller 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 transfer roller 17, induced draft fan 18 and bucket elevator 11 and automatically controls respectively, enter stove coal electric controller 901 and link with upper industry control center 90 again, realize entering the automatization of stove coal dewatering.Certainly from electric control theory, enter stove coal transfer roller 17, induced draft fan 18 and bucket elevator 11 in this example and also can directly be subjected to industry control center 90 controls, so set into the restriction that stove coal electric controller 901 does not consist of 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 transfer roller 17, induced draft fan 18 and bucket elevator 11 initiating signals, send in dehydrator shell 121 top material bins 1241 by the stove coal that enters that bucket elevator 11 is first completed proportioning, 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 is entered in the waste gas admission passage 1251 that tracheae 122 passes into 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, enters water layer in dust settling chamber 152 by induced draft fan 18 again and discharges from chimney 16 after cleaning;

3, meanwhile, entering the stove coal also can heat the air in dehydrator shell 121 chambeies and coal bunker 14 storehouses falling into coal bunker 14 processes through waste gas radiator element 125, 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), due to the entrance 1341 of the entrance 1321 that enters siphunculus 132 in off-air higher than discharge siphunculus 134 in off-air, hot off-air forms whirlwind from top to bottom and enters discharge siphunculus 134 in off-air, discharge siphunculus 135 dischargings outward finally by crossing steel fiber filtering net 136 and off-air, thereby the dust in off-air enters coal bunker 14 because steel fiber filtering net 136 intercepts the dust funnel 133 that falls into the below.

Third part enters the stove coal and advances coal, preheating, adjusting, cooling

Entering the 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 wish during coking to enter stove coal temperature remain between 200 ℃ to 300 ℃ more suitable, so need to carry out preheating before entering the coking chamber of coal heat decomposition stove to entering the stove coal.

First segment enters the stove coal and advances coal

As shown in Figure 5: advance that device for coal 2 mainly includes stove cuttings conveyer 21, enters stove coal bunker 22, coal dust divides to device 25, coal dust distribution 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 the middle coal dust that projection is set in stove coal bunker 22 bottoms divides to device 25, to enter 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 respectively stove coal bunker tremie pipe 29, enters on stove coal bunker tremie pipe 29 blanking control valve 24 is set in coal dust distribution chamber 26 bottoms.

as Fig. 5, shown in Figure 4, coal fine filter 23 (substantially just the same with the coal fine filter 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 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, be provided with above dust funnel 233 and discharge siphunculus 234 in off-air, 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 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 off-air is arranged on strainer internal head cover 237, off-air is discharged siphunculus 235 outward and is arranged on the outer top cover 238 of strainer, be provided with steel fiber filtering net 236 between top cover 238 outside strainer internal head cover 237 and strainer.

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 enter 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, enter stove cuttings conveyer 21 and blanking control valve 24 in this example and controlled by industry control center 90, do not consist of restriction to this routine protection domain so arrange device for coal electric controller 902 herein.

Second section enters the preheating of stove coal

As Fig. 5, shown in Figure 6: primary heater unit 39 is placed in into the below of device for coal 2, and primary heater unit 39 is positioned at the top of coal heat decomposition 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 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 is placed in respectively each preheating chamber 394.

As Fig. 7, shown in Figure 8: 393 one-tenth round shapes of preheater adopt steel, 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 on cylindrical shell 3931 successively from top to bottom in groups, is beneficial to entering 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 preheating chamber 394, utilizes the warm air in exhaust air chamber 391 that preheater 393 is heated, and homogeneous heating is stable.

as shown in Figure 6, be provided with on 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 on 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 coal heat decomposition 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 fine filter 23 enters siphunculus 232 outward, the hot off-air of dust-laden of preheating chamber 394 tops is entered off-air enter outward in siphunculus 232, the stove coal that enters that is conducive in coal stove storehouse 22 drops into preheating in 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 burning enters from hot waste gas admission passage 3911, entering waste gas by heating by the exhaust gases passage 392 assembles in circuit 395, assemble at last waste gas primary outlet 3951 discharges of circuit 395 from waste gas, 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 thermal conduction, the unique texture design of this primary heater unit 39, be to utilize the hot waste gas of discharging after burning from exhaust air chamber 391 that preheating chamber 394 Airs are heated, the stove coal that enters that reaches falling into preheater 393 carries out preheating, 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 purpose to the hot waste gas after 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; in this example, preheating chamber thermometer 3942 and exhaust air chamber thermometer 3915 also can directly be subjected to 90 monitorings of industry control center, do not consist of restriction to this routine protection domain so preheating temperature monitor 903 is set herein.

The stove coal that enters after the 3rd joint preheating is regulated

As Fig. 5, shown in Figure 6, enter stove coal surge bunker 3, entering stove coal surge bunker 3 is arranged on and is positioned at preheater 393 bottoms on body of heater 91, 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 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 material level meter 32 of coal bunker, 33 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 coking 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, lower level gage 32, 33 material level signal, the temperature signal of coal pocket thermometer 34, realize automatically controlling with the switching to coal pocket baiting valve 36, entering the stove coal regulates electric controller 904 and links with upper industry control center 90 again, certainly from electric control theory, gather on coal bunker in this example, lower level gage 32, 33 material level signal, the temperature signal of coal pocket thermometer 34 also can directly be subjected to industry control center 90 collections, coal pocket baiting valve 36 opens and closes and directly is subjected to industry control center 90 controls, so setting into the stove coal herein regulates electric controller 904 and does not consist of restriction to this routine protection domain.

This example enters stove coal control method:

1, the stove coal that enters after preheating is injected coal pocket 31 and first stores away in advance, when needs to coking chamber 61 in during coal, industry control center 90 is opened coal pocket baiting valves 36 and enter 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 adding the stove coal in coking chamber 61;

3, coal in coal pocket 31 detected when not enough when level gage under coal bunker 33, blanking control valve 24 is opened at industry control center 90, give coal in coal pocket 31, when the coal that level gage on coal bunker 32 detects in 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 that enters 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 fine filter 23 enters siphunculus 232 outward, the dust-laden warm air of coal pocket 31 tops is entered off-air and is entered outward in siphunculus 232, is beneficial in the coal pocket 31 coal smoothly

The 4th joint advance before coking chamber to enter the stove coal cooling

As shown in Figure 9, coal pocket blanking road 35 is to the coking chamber 61 notes coal of coal heat decomposition stove the time, 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 stove coal easy caking in coal pocket blanking road 35, obstruction is annotated coal in coking chamber 61, thereby need to carry out cooling to entering the stove coal.

as Fig. 9, shown in Figure 10, enter stove coal refrigerating unit 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 is connected to respectively air on endless tube 56 and Bas Discharged endless tube 52 and enters arm 54, Bas Discharged arm 53, its 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 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, being provided with 8 coal pockets 31 of annotating coals in its surrounding is beneficial to coking chamber 61 surroundings and carries out even coal, so cooling air channel 55 is corresponding with the quantity in coal pocket blanking road 35 is also 8, enter from air when air and enter successively air siphunculus 57 and enter endless tube 56, air enters arm 54, cooling air channel 55, again from Bas Discharged arm 53, Bas Discharged endless tube 52, discharge in Bas Discharged siphunculus 51, utilize in cooling air channel 55 and to carry out cooling to the stove coal that enters in coal pocket blanking road 35, effectively prevent stove coal caking in coal pocket blanking road 35, realize annotating coal smoothly in coking chamber 61.

In addition, coal pocket blanking road 35 is mainly that the inboard that relies on coking chamber 61 is subjected to the heat affecting of raw gas larger, so the inner side-wall 351 in coal pocket blanking road 35 is placed in cooling air channel 55, the outer side 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 refrigerating unit, it is characterized in that: comprise that air enters siphunculus, Bas Discharged siphunculus, air and enters endless tube, Bas Discharged endless tube, air and enter arm, Bas Discharged arm, cooling air channel, wherein, air enters siphunculus and air enters endless tube, and the Bas Discharged siphunculus communicates with the Bas Discharged endless tube; Air enters the body of heater surrounding that endless tube and Bas Discharged endless tube are separately positioned on coal heat decomposition stove, and air enters and is connected to respectively air on endless tube and Bas Discharged endless tube and enters arm and Bas Discharged arm; Air enters arm and is connected on cooling air channel below, and the Bas Discharged arm is connected on the top of cooling air channel, and coal pocket blanking road passes from cooling air channel and leads to coking chamber.

A kind of coal heat decomposition stove according to claim 1 enter stove coal refrigerating unit, it is characterized in that: the inner side-wall in coal pocket blanking road is placed in cooling air channel, the outer side wall in coal pocket blanking road is exposed in air.

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