Embodiment
The specific embodiment that a kind of coal heat decomposition stove raw gas of the present invention is derived condensation and reclaiming clean and combustion unit is mainly introduced in detail in following the 4th part first segment and first, second and third joint of Part V chapter 1, four joints.
First part enters stove coal proportioning and preparation
As select 5 kinds of different coals, and they are respectively that bottle coal, rich coal, coking coal, 1/3rd coking coal, lean coal first mix the fragmentation of then sieving and be formed into stove coal, that other proportioning is entered to stove coal is applicable equally for coal heat decomposition stove of the present invention certainly.
The second part enters stove coal dewatering
Enter dewatering of stove coal by what enter this coal heat decomposition stove in advance
Part III enters stove coal and enters coal, preheating, adjusting, cooling
First segment enters stove coal and enters coal and enter device for coal and be used for entering stove coal after input dehydration
What the stove coal preheating primary heater unit preheating temperature that enters second section reduced enters stove coal.
Section three, the stove coal that enters after preheating regulates, and enters stove coal surge bunker and is used for regulating the amount of injecting stove coal to adding in the coking chamber of coal heat decomposition stove.
Part IV enters stove pyrolysis of coal (charing heating, burnt upgrading, dry coke quenching)
First segment enters stove pyrolysis of coal charing heating
As shown in figure 15, pyrolysis of coal carbonizing apparatus 6 is arranged on body of heater 91 middle parts, mainly comprises that coking chamber 61, outer gas-operated thermal bath facility 64, interior burning heater 67, quirk bow 65 form, as shown in Figure 2: coking chamber 61 is by fire-resistant thermally conductive material, outer ring wall 612, 611 form an annulus, being centered around coking chamber exterior wall 611, to encircle periphery be outer gas-operated thermal bath facility 64, wherein outer gas-operated thermal bath facility 64 is mainly some groups of identical the first combustion heaters 62 of (9 groups of this examples) structure, the second combustion heater 60 and gas reversing system 66 form, in addition, as shown in figure 15: because coking chamber 61 is highly higher, wherein outer gas-operated thermal bath facility 64 is mainly divided into, in, lower Three-section type heating, every section has 9 groups of identical first combustion heaters 62 of structure, the second combustion heater 60 forms.
As shown in Figure 6: in coking chamber, in ringwall 612 rings, be interior burning heater 67, interior burning heater 67 is mainly by some groups of the 3rd combustion heater 68, the 4th combustion heater 69 and the quenching waste gas heaters 63 that (3 groups of this examples) structure is identical.
As shown in Figure 1, the first described combustion heater 62 mainly comprises that the first combustion chamber 621, the first coal gas enter arm 622 and the first regenerative heat exchanger 624.
As shown in Figure 2, body of heater 91 exterior walls that be made up of refractory materials the first combustion chamber 621 and fire-resistant thermally conductive material are made coking chamber outer ring wall 611 and outer quirk partition wall 625 and surround the gas-fired quirk of a relative closure, as shown in Figure 1, the first coal gas enters arm 622 and leads in the first combustion chamber 621 through body of heater 91 exterior walls.
As shown in Fig. 1,12: the first regenerative heat exchanger 624 comprises that the first accumulation of heat chamber 626, the first heat storage 623, the first air enter arm 627 and the first combustion exhaust exhaust outlet 628; The first accumulation of heat chamber 626 is arranged in body of heater 91 exterior walls, the first heat storage 623 arranges in the first accumulation of heat chamber 626,621 bottoms, the first combustion chamber are led in the first 626 one end, accumulation of heat chamber, and the other end is connected to respectively the first air and enters arm 627 and the first combustion exhaust exhaust outlet 628.
As shown in Figure 2: enter and between arm 627 and the first accumulation of heat chamber 626, be provided with the first one-way air valve 629, the first one-way air valves 629 and allow air to enter pipe 627 and the first accumulation of heat chamber 626 flows into the first combustion chamber 621 from the first air at the first air; Between the first combustion exhaust exhaust outlet 628 and the first accumulation of heat chamber 626, be provided with the first unidirectional waste gas valve 620, the first unidirectional waste gas valve 620 allows the gas-fired waste gas first accumulation of heat chamber 626 of flowing through from the first combustion chamber 621, finally discharge (certainly from the first combustion exhaust exhaust outlet 628, adopt gas reversing system 66 as described below, when air supervisor 667 is in charge of 6671 connections with the first air, air supervisor 667 and the second air are in charge of 6673 in cut-out; Meanwhile, combustion exhaust supervisor 669 is in charge of 6691 with the first combustion exhaust and also cuts off mutually, and corresponding combustion exhaust supervisor 669 and the second combustion exhaust are in charge of 6693 in being connected, can play the effect that replaces the first one-way air valve 629 and the first unidirectional waste gas valve 620).
In like manner, as shown in Figure 2: identical the second combustion heater 60 of structure mainly comprises that the second combustion chamber 601, the second coal gas enter arm 602 and the second regenerative heat exchanger 604, body of heater 91 exterior walls that be made up of refractory materials the second combustion chamber 601 and fire-resistant thermally conductive material are made coking chamber outer ring wall 611 and outer quirk partition wall 625 and surround the gas-fired quirk of a relative closure, and the second coal gas enters arm 602 and leads in the first combustion chamber 601 through body of heater 91 exterior walls.
As shown in Figure 2: the second regenerative heat exchanger 604 comprises the second accumulation of heat chamber 606, the second heat storage 603, the second air enters arm 607 and the second combustion exhaust exhaust outlet 608, the second accumulation of heat chamber 606 is arranged in body of heater 91 exterior walls, the second heat storage 603 arranges in the second accumulation of heat chamber 606, 601 bottoms, the second combustion chamber are led in the second 606 one end, accumulation of heat chamber, the other end is connected to respectively the second air and enters arm 607 and the second combustion exhaust exhaust outlet 608, enter between arm 607 and the second accumulation of heat chamber 606 and be provided with the second one-way air valve 609 at the second air, the second one-way air valve 609 allow air from the second air enter pipe 607 and second accumulation of heat chamber 606 flow into the second combustion chamber 601, between the second combustion exhaust exhaust outlet 608 and the second accumulation of heat chamber 606, be provided with the second unidirectional waste gas valve 600, the second unidirectional waste gas valve 600 allows the gas-fired waste gas second accumulation of heat chamber 606 of flowing through from the second combustion chamber 601, finally discharge (certainly from the second combustion exhaust exhaust outlet 608, adopt gas reversing system 66 as described below, when air supervisor 667 and the first air are in charge of 6671 cut-outs, air supervisor 667 and the second air are in charge of 6673 in connecting, meanwhile, combustion exhaust supervisor 669 and the first combustion exhaust are in charge of 6691 and are also connected, and corresponding combustion exhaust supervisor 669 is in charge of 6693 also cut-outs mutually with the second combustion exhaust, can play the effect that replaces the second one-way air valve and the second unidirectional waste gas valve).
As shown in Figure 1 and Figure 2, between the second combustion chamber 601 of the first combustion chamber 621 and next-door neighbour, the top of outer quirk partition wall 625 is provided with combustion chamber through hole 6251, combustion chamber through hole 6251 is connected the first combustion chamber 621 to form associated one group with the second combustion chamber 601 of next-door neighbour, in this example, outer gas-operated thermal bath facility 64 is provided with quirk partition wall 625 partition walls outside 18 roads altogether, forms 9 groups of associated burning groups; In addition, as shown in figure 15; Because coking chamber 61 is highly higher, wherein outer gas-operated thermal bath facility 64 is mainly divided into the heating of upper, middle and lower segment formula, and every section has 9 groups of identical the first combustion heaters 62 of structure, second combustion heaters 60 to form.
As shown in Figure 1: on body of heater 91 exterior walls, be also provided with chamber temperature monitoring holes 6201 and combustion chamber spy hole 6202, combustion chamber spy hole 6202 is convenient to technician's gas-fired situation of observing each combustion chamber directly perceived, in chamber temperature monitoring holes 6201, be provided with chamber temperature table 6203 for the temperature monitoring to combustion chamber, so that the assessment to pyrolysis of coal process.
As shown in figure 14: chamber temperature table 6203 is connected with industry control center 90, automatically gathered the temperature data of chamber temperature table 6203 by industry control center 90.
As Fig. 3, Fig. 4, shown in Fig. 5-1, gas reversing system 66 comprises dish 661, lower wall 662, rotation reversing motor 663, air blower 664, gas fan 665, exhaust gas fan 666, lower wall 662 is connected to respectively an air supervisor 667 and the first air is in charge of 6671, the second air is in charge of 6673, coal gas supervisor 668 and the first gas manifold 6681, the second gas manifold 6683, combustion exhaust supervisor 669 and the second combustion exhaust are in charge of 6693, the first combustion exhaust is in charge of 6691, wherein, the second combustion exhaust be in charge of 6693 and first combustion exhaust be in charge of 6691 and first air be in charge of 6671 and second air be in charge of 6673 and the setting of first gas manifold 6681 and the second gas manifold 6683 just exchange (Fig. 4, shown in Fig. 5-1).
As Fig. 3, 15, shown in Fig. 5-1: above coil 661 and be fitted in lower wall 662 tops, upper dish 661 respectively correspondence is provided with air pipe connecting 6672, coal gas pipe connecting 6682, combustion exhaust pipe connecting 6692, thereby rotation reversing motor 663 drive upper dish 661 reciprocating rotation on lower wall 662 realize air supervisor 667 constantly with the first air be in charge of 6671 and second air be in charge of 6673 and connect and cut off conversion, coal gas supervisor 668 constantly connects and cuts off conversion with the first gas manifold 6681 and the second gas manifold 6683, combustion exhaust supervisor 669 constantly with the second combustion exhaust be in charge of 6693 and first combustion exhaust be in charge of 6691 connect and cut off conversion (with the first air be in charge of 6671 and second air be in charge of 6673 and the switching of first gas manifold 6681 and the second gas manifold 6683 just contrary).
As shown in Fig. 1, Fig. 5-1, be also provided with two groups of bustle pipes in the periphery of body of heater 91, comprise the first air bustle pipe 6674, the first coal gas bustle pipe 6684, the first combustion exhaust bustle pipes 6694; The second air bustle pipe 6675, the second coal gas bustle pipe 6685, the second combustion exhaust bustle pipes 6695.
As shown in Fig. 5-1: the first air bustle pipe 6674 by the first air be in charge of 6671 and first air enter arm 627 and link up, by the first air be in charge of 6671, the first air bustle pipe 6674, the first air enter arm 627, the first accumulation of heat chamber 626 and the first combustion chamber 621 and form same path; Meanwhile, the first coal gas bustle pipe 6684 enters arm 622 by the first gas manifold 6681 and the first coal gas and links up, by the first gas manifold 6681, the first coal gas bustle pipe 6684, the first coal gas enters arm 622 and the first combustion chamber 621 forms same path; Simultaneously now, the first combustion exhaust bustle pipe 6694 be by the first combustion exhaust be in charge of 6681 and first combustion exhaust exhaust outlet 628 link up, by the first combustion exhaust be in charge of 6681, the first combustion exhaust exhaust outlet 628, the first accumulation of heat chamber 626 form same path with combustion chamber 621;
In like manner, the second air bustle pipe 6675 by the second air be in charge of 6673 and second air enter arm 607 and link up, by the second air be in charge of 6673, the second air bustle pipe 6675, the second air enter arm 607, the second accumulation of heat chamber 606 and the second combustion chamber 601 and form same path; Meanwhile, the second coal gas bustle pipe 6685 enters arm 602 by the second gas manifold 6683 and the second coal gas and links up, by the second gas manifold 6683, the second coal gas bustle pipe 6685 will, the second coal gas enters arm 602 and the second combustion chamber 601 forms same path; Meanwhile, the second combustion exhaust bustle pipe 6695 by the second burning gas be in charge of 6693 and second combustion exhaust exhaust outlet 608 link up, by the second combustion exhaust be in charge of 6693, the second combustion exhaust exhaust outlet 608, the second accumulation of heat chamber 606 and the second combustion chamber 601 form same path.
In addition; as shown in figure 14; this example also comprises that gas reversing system controller 906 is for controlling rotation reversing motor 663, air blower 664, gas fan 665, exhaust gas fan 666; reversing system electric controller 906 is connected with upper industry control center 90 again; certainly from electric control theory; in this example, rotate reversing motor 663, air blower 664, gas fan 665, exhaust gas fan 666 and controlled by industry control center 90, so the restriction that gas reversing system controller 906 does not form this routine protection domain is set herein.
As shown in Fig. 1, Fig. 5-1 and Fig. 2~Fig. 5, the heating means of outer gas-operated thermal bath facility 64 are:
(1) the rotation reversing motor 663 of gas reversing system 66 drives upper dish 661 to rotate on lower wall 662, and air supervisor 667 and the first air are in charge of 6671 connections, and air supervisor 667 and the second air are in charge of 6673 in dissengaged positions; Meanwhile, coal gas supervisor 668 and the first gas manifold 6681 are also connected, coal gas supervisor 668 and the second gas manifold 6683 dissengaged positions; Meanwhile, combustion exhaust supervisor 669 is in charge of 6691 with the first combustion exhaust and also cuts off mutually, and corresponding combustion exhaust supervisor 669 and the second combustion exhaust are in charge of 6693 in the state of being connected;
(2) air blower 664 by air blast air supervisor 667, air successively through air pipe connecting 6672, the first air be in charge of 6671, the first air bustle pipe 6674, the first air enter arm 627 and enter into the first accumulation of heat chamber 626, enter in the first combustion chamber 621 after utilizing heat that the first heat storage 623 discharges to heat air, simultaneously, gas fan 665 obtains raw gas purified gas and blasts coal gas supervisor 668 after reclaiming clean, coal gas passes through coal gas pipe connecting 6682 successively, the first gas manifold 6681, the first coal gas bustle pipe 6684, the first coal gas enters arm 622 and enters in the first combustion chamber 621 and burn, meanwhile, because combustion exhaust supervisor 669 is in charge of 6691 in phase dissengaged positions with the first combustion exhaust, and corresponding combustion exhaust supervisor 669 and the second combustion exhaust are in charge of 6693 in the state of being connected, so the waste gas in the first combustion chamber 621 after gas-fired can only enter into the second combustion chamber 601 by the combustion chamber through hole 6251 on outer quirk partition wall 625 tops, again after the second heat storage 603 in the second accumulation of heat chamber 606 carries out absorbing and cooling temperature from the second combustion exhaust exhaust outlet 608, the second combustion exhaust bustle pipe 6695, the second combustion exhaust is in charge of 6693, combustion exhaust supervisor 669 discharges by exhaust gas fan 666,
(3) through burning after a while, the rotation reversing motor 663 of gas reversing system 66 drives upper dish 661 to rotate backward on lower wall 662, air supervisor 667 and the first air are in charge of 6671 cut-outs, air supervisor 667 and the second air are in charge of 6673 in on-state, simultaneously, coal gas supervisor 668 also cuts off mutually with the first gas manifold 6681, coal gas supervisor 668 and the second gas manifold 6683 on-states, meanwhile, combustion exhaust supervisor 669 and the first combustion exhaust are in charge of 6691 and are also connected, and corresponding combustion exhaust supervisor 669 and the second combustion exhaust are in charge of 6693 also phase dissengaged positions,
(4) air blower 664 by air blast air supervisor 667, air successively through air pipe connecting 6672, the second air be in charge of 6673, the second air bustle pipe 6675, the second air enter arm 607 and enter into the second accumulation of heat chamber 606, after the heat that utilizes the second heat storage 603 in the second accumulation of heat chamber 606 to discharge heats air, enter in the second combustion chamber 601, simultaneously, gas fan 665 obtains raw gas purified gas and blasts coal gas supervisor 668 after reclaiming clean, coal gas passes through coal gas pipe connecting 6682 successively, the second gas manifold 6683, the second coal gas bustle pipe 6685, the second coal gas enters arm 602 and enters in the second combustion chamber 601 and burn, meanwhile, because combustion exhaust supervisor 669 and the first combustion exhaust are in charge of 6691 and are connected, and corresponding combustion exhaust supervisor 669 and the second combustion exhaust are in charge of 6693 in phase dissengaged positions, so the waste gas in the second combustion chamber 601 after gas-fired can only enter in the first combustion chamber 621 by the combustion chamber through hole 6251 on outer quirk partition wall 625 tops, again through the first accumulation of heat chamber 626, in the first heat storage 603 absorbing and cooling temperatures after, finally from the first combustion exhaust exhaust outlet 628, the first combustion exhaust bustle pipe 6694, the first combustion exhaust is in charge of 6691, combustion exhaust supervisor 669 discharges by exhaust gas fan 666.
So, outer gas-operated thermal bath facility 64 combustion principle are to enter the second combustion chamber 601 when the waste gas generating after gas-fired in the first combustion chamber 621 from combustion chamber through hole 6251, after the second heat storage 603 in the second combustion chamber 601 and the second accumulation of heat chamber 606 is to its exhaust-heat absorption cooling, discharge.
Otherwise, when the waste gas generating after gas-fired in the second combustion chamber 601 enters the first combustion chamber 621 from combustion chamber through hole 6251, after the first heat storage 603 in the first combustion chamber 621 and the first accumulation of heat chamber 606 is to its exhaust-heat absorption cooling, discharge.
In sum, this gas two by gas reversing system enters the mode of operation of the regenerative heat exchange of a mode of operation outing and regenerative heat exchanger, realize two groups of combustion heater alternate combustion, be that gas reversing system is sent into air, purified gas burning to the combustion chamber of the first combustion heater, the hot waste gas after sucking-off burning from the combustion chamber of the second combustion heater simultaneously, the second heat storage absorbing and cooling temperature of hot waste gas in the second regenerative heat exchanger of the second combustion heater becomes the relatively low low temperature waste gas of temperature and discharges; In like manner, gas reversing system is sent into air, purified gas burning to the combustion chamber of the second combustion heater, the hot waste gas after sucking-off burning from the combustion chamber of the first combustion heater simultaneously, the first heat storage absorbing and cooling temperature of hot waste gas in the first regenerative heat exchanger of the first combustion heater becomes the relatively low low temperature waste gas of temperature and discharges; This method of mutually utilizing waste gas residual heat after gas-fired to add warm air, both played the waste gas residual heat after gas-fired had been made full use of, improve the efficiency of combustion of the coal gas in combustion chamber, can carry out cooling to a certain degree to the waste gas after gas-fired again, need not consume the external energy, play energy-saving and cost-reducing object, save coking cost.
As shown in Fig. 6, Figure 15, interior burning heater 67 is mainly by some groups of identical combustion heater 68,69 and the quenching waste gas heaters 63 of (3 groups of this examples) structure.
As shown in Figure 11, Fig. 8, quenching waste gas heater 63 comprises that internal-quirk 631, air mend pipe 632, blowdown pipe 6321, secondary air compensating pipe 6322, tonifying Qi circuit 633, center ringwall 634, internal-quirk partition wall 635, centre channel 638, and internal-quirk 631 is arranged on quirk bow 65.
As shown in Figure 8, internal-quirk 631 mainly by ringwall in coking chamber 612 be positioned at coking chamber ringwall 612Nei center ringwall 634 internal-quirk partition wall 635 together with at least and be divided at least one group of above main internal-quirk 636, secondary internal-quirk 637 arranged side by side, as shown in Figure 8,636 and 6 secondary internal-quirks 637 of 6 main internal-quirks of this example, form side by side and amount to 6 groups of internal-quirks 631.
As shown in figure 11, in secondary internal-quirk 637, shutoff dividing plate 6371 is set, lower shutoff dividing plate 6372, is divided into upper, middle and lower segment by secondary internal-quirk 637, i.e. the secondary internal-quirk 6375 of epimere, the secondary internal-quirk 6374 in stage casing, the secondary internal-quirk 6373 of hypomere; On quirk partition wall 635 between the secondary internal-quirk 6375 of epimere and main internal-quirk 636, be provided with waste gas and gang up hole 6303, hot waste gas exhaust channel 6306 is offered at the secondary internal-quirk 6375 of epimere and main internal-quirk 636 tops, and hot waste gas exhaust channel 6306 communicates with the exhaust air chamber 391 on body of heater 91 tops.
As shown in Figure 11, Fig. 8, on quirk partition wall 635 between the secondary internal-quirk 6373 of hypomere and main internal-quirk 636, quirk is set and gangs up hole 6304, quirk is ganged up hole 6304 near lower shutoff dividing plate 6372 belows, as shown in Figure 8,6 quirks are ganged up hole 6304 connects secondary 6 hypomeres internal-quirks 6373 respectively with main internal-quirk 636 together with.
As shown in figure 11, center ringwall 634 surrounds centre channel 638, in centre channel 638, with the concordant place of upper shutoff dividing plate 6371, one channel partition 6382 is set, centre channel 638 is separated into upper and lower two portions, be that formation high temperature combustible exhaust gas admission passage 6383 is divided in bottom, formation buffer zone 6381 is divided on top.
As shown in Fig. 9, Figure 11, ringwall 634 bottoms in center are provided with perforation high temperature combustible exhaust gas admission passage 6383 and enter hole 639 with the combustible exhaust gas of main internal-quirk 636 and the secondary internal-quirk 6373 of hypomere, and ringwall 634 tops in center are provided with perforation buffer zone 6381 and enter hole 6301 with the waste gas of main internal-quirk 636 and epimere pair internal-quirk 6375.
As shown in Figure 11, Figure 10, Fig. 9: tonifying Qi circuit 633 is arranged on body of heater 91, air is mended pipe 632 and is led to tonifying Qi circuit 633, blowdown pipe 6321, secondary air compensating pipe 6322 and tonifying Qi circuit 633 UNICOMs, below the bar bow 651 of quirk bow 65 through the inside that extends upwardly to the quirk partition wall 635 major and minor internal-quirk 636,637.
As shown in Figure 11, Fig. 2: blowdown pipe 6321 be arranged on major and minor internal-quirk 636,637 between the inside of quirk partition wall 635, the outlet 6323 of a blowdown pipe 6321 is positioned at lower shutoff dividing plate below 6372, leads to respectively the secondary internal-quirk 6373 of main internal-quirk 636 and hypomere; As shown in figure 11, secondary air compensating pipe 6322 is also arranged on the inside of the quirk partition wall 635 of major and minor internal-quirk 636,637, and the secondary air compensating of secondary air compensating pipe 6322 outlet 6324 is positioned at upper shutoff dividing plate 6371 concordant or a little higher than with upper shutoff dividing plate 6371, lead to main internal-quirk 636.
As shown in Figure 11, Fig. 7, the secondary internal-quirk 6374 in stage casing forms the independent gas combustion chamber of relative closure, the secondary internal-quirk 6374 in a upper stage casing connects into relevant one group to the secondary internal-quirk 6374 in next stage casing of next-door neighbour by chamber passage 6305, chamber passage 6305 below upper shutoff dividing plate 6371 and from pass in a main internal-quirk 636 between next stage casing pair internal-quirk 6374 of the secondary internal-quirk 6374 in stage casing and next-door neighbour, as shown in Figure 7,6 secondary internal-quirks 6374 in stage casing connect into 3 groups by 3 chamber passages 6305.
As Figure 11, Fig. 6, shown in Fig. 7, the secondary internal-quirk 6374 in two stage casings in secondary internal-quirk 637 (is gone up, lower shutoff dividing plate 6371, between 6372) one group of association the 3rd combustion heater 68 that structure is identical is set, the 4th combustion heater 69, the first burning heater 62 of its structure and combustion principle and above introduction, the second burning heater 60 is almost identical, also comprise that the 3rd combustion heater 68 comprises the 3rd combustion chamber 681, the 3rd coal gas enters arm 682, the 3rd accumulation of heat chamber 686, the 3rd heat storage 683, the 3rd air enters arm 687 and the 3rd combustion exhaust exhaust outlet 688.
As shown in Figure 11, Fig. 6, need to illustrate different is the secondary internal-quirk 6374 in the 3rd 681Shi stage casing, combustion chamber of the 3rd burning heater 68, by relatively airtight gas-fired quirk between upper and lower shutoff dividing plate 6371,6372.
As Figure 11, Figure 10, shown in Fig. 9: the 3rd coal gas enters arm 682 and leads to the 3rd combustion chamber 681 (being stage casing pair internal-quirk 6374) through upwards extending past quirk partition wall 635 inside below from article bow 651 of quirk bow 65, the 3rd accumulation of heat chamber 686 is arranged on article body of heater that bends 651 belows 91, the 3rd heat storage 683 is placed in the 3rd accumulation of heat chamber 686, the 3rd 686 one end, accumulation of heat chamber is passed below article bow 651 of quirk bow 65 by extending passage 6861, upwards extend past quirk partition wall 635 inside and lead to 681 bottoms, the 3rd combustion chamber, the 3rd accumulation of heat chamber 686 the other ends are connected to respectively the 3rd air and enter arm 687 and the 3rd combustion exhaust exhaust outlet 688.
In like manner, the 4th combustion heater 69 structures are complete identical with the 3rd combustion heater 68, repeat no more here, and wherein the 4th combustion chamber 691 is connected and formed associated one group (shown in Fig. 7) by chamber passage 6305 with the 3rd combustion chamber 681.
Wherein, as shown in Fig. 5-1, the 3rd coal gas of the 3rd combustion chamber 681 of the 3rd burning heater 68 enter arm 682, the 3rd air enter arm 687 and the 3rd combustion exhaust exhaust outlet 688 respectively by the first coal gas bustle pipe 6684, the first air bustle pipe 6674, the first combustion exhaust bustle pipes 6694 and the first gas manifold 6681, the first air be in charge of 6671, the first combustion exhaust is in charge of 6691 and communicates.
As shown in Fig. 5-1, the 4th coal gas of the 4th combustion chamber 691 of the 4th burning heater 69 enter arm 692, the 3rd air enter arm 697 and the 3rd combustion exhaust exhaust outlet 698 respectively by the second coal gas bustle pipe 6685, the second air bustle pipe 6675, the second combustion exhaust bustle pipe 6695 and the second gas manifold 6683, the second air be in charge of 6673, the second combustion exhaust is in charge of 6693 and communicates.
In sum, the 3rd burning heater 68, the 4th combustion heater 69, combustion principle and above the first burning heater 62, the second burning heater 60 are almost identical, repeat no more here.
Interior burning heater 67 Method And Principles of this example are that the secondary internal-quirk 6375 of epimere and the secondary internal-quirk 6373 of hypomere and main internal-quirk 636 are that the high temperature combustible exhaust gas that utilizes dry coke quenching to produce carries out tonifying Qi combustion heating, and the secondary internal-quirk 6374 in stage casing is the purified gas combustion heatings that utilize in addition after raw gas reclaiming clean.
Interior burning heater 67 methods of this example are: (1), enter from the high temperature combustible exhaust gas admission passage 6383 of centre channel 638 bottoms when high temperature combustible exhaust gas, entering hole 639 through combustible exhaust gas enters in main internal-quirk 636 and the secondary internal-quirk 6373 of hypomere, the high temperature combustible exhaust gas temperature just having entered is higher generally all at 1000 DEG C~1100 DEG C, but along with waste gas rises and externally does work and dispel the heat in main internal-quirk 636 and the secondary internal-quirk 6373 of hypomere, temperature can reduce;
(2), at this moment give the air that fills in main internal-quirk 636 and the secondary internal-quirk 6373 of hypomere by a blowdown pipe 6321, thereby make high temperature combustible exhaust gas obtain airborne oxygen burning, the amount of the combustible gas in high-temperature combustible gas body is certain after all, and the heat and the temperature that provide coking chamber 61 pyrolysis of coal required are provided;
(3) so, when passing through quirk through the waste gas after tonifying Qi burning, the high temperature combustible exhaust gas of the secondary internal-quirk 6373 of hypomere gangs up hole 6304 around in main internal-quirk 636, mix in main quirk 636 and rise with the waste gas after the high-temperature combustible gas body in main internal-quirk 636 and burning, along with the waste gas after mixed high-temperature combustible gas body and burning can be to providing heat and externally acting to the pyrolysis of coal in coking chamber 61 by ringwall in coking chamber 612 in uphill process, temperature can reduce gradually;
(4) so need to again enter short covering gas by secondary air compensating pipe 6322 in the middle and upper part of main internal-quirk 636, make the waste gas further burning again after mixed high-temperature combustible gas body and burning, this provides required heat and temperature not only to coking chamber 61 pyrolysis of coal, and can make again high-temperature combustible gas body fully burn, improve high-temperature combustible gas work by combustion efficiency;
(5), in addition, owing to having buffer zone 6381 in the middle of main internal-quirk 636 and the secondary internal-quirk 6375 of epimere, ringwall 634 tops in center are provided with perforation buffer zone 6381 and enter hole 6301 with the waste gas of main internal-quirk 636 and the secondary internal-quirk 6375 of epimere, on the quirk partition wall 635 between main internal-quirk 636 and the secondary internal-quirk 6375 of epimere, be provided with waste gas and gang up hole 6303, between the secondary internal-quirk 6375 of each main internal-quirk 636 and epimere, completely mutually connect, waste gas after the burning of tonifying Qi for the second time can be mixed completely mutually, between the secondary internal-quirk 6375 of the main internal-quirk 636 in place and epimere, reaching samming all presses, balanced heat and temperature is provided can to the pyrolysis of coal on whole coking chamber 61 tops,
(6), enter the exhaust air chamber 391 on body of heater 91 tops by the hot waste gas exhaust channel 6306 at main internal-quirk 636 and the secondary internal-quirk of epimere 6375 tops finally by the waste gas after the burning of mistake secondary air compensating;
(7), meanwhile, in order to make up the quantity not sufficient of the combustible gas in high-temperature combustible gas body, be not enough to provide the required heat of coking chamber 61 pyrolysis of coal and the defect of temperature, and can making full use of the raw gas producing in pyrolysis of coal process, give the 3rd combustion heater 68, the 3rd combustion chamber 681 of the 4th combustion heater 69 and the 4th combustion chamber 691 provide the purified gas burning of raw gas after reclaiming clean, in the secondary internal-quirk 637 in stage casing, add heat, enough heat and temperature are provided not only to coking chamber 61 pyrolysis of coal, improve again the utilization ratio of raw gas simultaneously, reduce and discharge in atmosphere, avoid atmospheric pollution, protect environment.
The burnt upgrading of second section
Because coal carries out the coke forming after pyrolysis in coking chamber, there is the inequality of being heated, the situation that coke briquette grain size is irregular, preferably provide certain temperature and time to coke, make fully to contact between coke, mutually carry out heat transmission, this just needs burnt modifying apparatus 610.
As shown in Figure 12, Figure 11, Fig. 9, Figure 15, burnt modifying apparatus 610, be arranged in body of heater and be positioned on quirk bow 65, burnt modifying apparatus 610 comprises that burnt upgrading chamber 6100, main internal-quirk 636 bottoms, the secondary internal-quirk 6373 of hypomere are formed at the bottom of coking chamber 6, center ringwall 634 surrounds the bottom of the high temperature combustible exhaust gas admission passage 6383 of centre channel 638, and ringwall 634 bottoms in center are provided with perforation high temperature combustible exhaust gas admission passage 6383 and enter hole 639 with the combustible exhaust gas of main internal-quirk 636, the secondary internal-quirk 6373 of hypomere.
In addition, as shown in Figure 1: body of heater 91 exterior walls are provided with burnt upgrading temperature monitoring hole 6101, burnt upgrading temperature monitoring hole is provided with a burnt upgrading thermometer 6012 in 6101 holes, as shown in figure 14, industry control center 90 is electrically connected with burnt upgrading thermometer 6012, and the burnt upgrading temperature signal of the upgrading thermometer 6012 of automatically focusing is monitored.
Section three, quirk bow
As Figure 11, shown in Figure 10, because the quirk partition wall 635 of ringwall 612 and interior burning heater 67 in coking chamber, center ringwall 634 is all arranged in furnace chamber, need quirk bow 65 to provide support for it, the laying of various pipelines is provided to again interior burning heater 67 simultaneously, as Figure 11, shown in Figure 10, quirk bow 65 is arranged on coking chamber 61, interior burning heater 67, in the furnace chamber of burnt modifying apparatus 610 belows, mainly comprise the bar bow 651 of some, Huo Gong center ringwall 652, ringwall 652 middle parts in Huo Gong center form high temperature combustible exhaust gas passage 653, bar bends 651 one end and is fixed on Huo Gong center ringwall 652, the other end is fixed on body of heater 91, bar bow 651 is the radial layout of scattering in interval at a certain angle around ringwall 652 centers, Huo Gong center, fire bow 651 in this example is 12 bows, the master of quantity and interior burning heater 67, secondary internal- quirk 636, 637 sums are consistent.
As Figure 11, shown in Figure 10, article one, in the body of wall of fire bow 651, the 3rd coal gas is set and enters the extension passage 6861 in arm 682 and the 3rd accumulation of heat chamber 686, the blowdown pipe 6321 arranging in the body of wall of tight another adjacent fire bow 651, secondary air compensating pipe 6322, provide convenience to the pipeline laying of interior burning heater 67, article 6, in the body of wall of fire bow 651, be set up in parallel respectively 6 article of the 3rd coal gas and enter the extension passage 6861 in arm 682 and the 3rd accumulation of heat chamber 686, 6 blowdown pipes 6321 that are set up in parallel respectively in the body of wall of another 6 fire bows 651, secondary air compensating pipe 6322, make the various conduit arrangements of interior burning heater 67 orderly, be unlikely to interfere.
Section four, dry coke quenching
Coke temperature after upgrading is higher, generally all at 1000 DEG C~1100 DEG C, need to carry out cooling could convenience to high temperature coke and carries and store, and need to have the dry device 7 that puts out.
As shown in Figure 12 and Figure 13, the dry device 7 that puts out is arranged on quirk and bends 65 belows, comprises high temperature coke quencher 71, low temperature coke quencher 72, quenching bridge bow 73, quenching exhaust gas fan 75; High temperature coke quencher 71 is arranged on the below of quirk bow 65, and the top of high temperature coke quencher 71 communicates with high temperature combustible exhaust gas passage 653; Quenching bridge bow 73 is arranged between high temperature coke quencher 71 and low temperature coke quencher 72, and quenching bridge bow 73 comprises bridge bow 731, wind assembling set 74, the dry circuit 76 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., the dry pipe 77 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc.; 6 Tiao Qiaogongyi high temperature coke quencher 71 and the 72Zhou of low temperature coke quencher center are partitioned at an angle spoke shape and arrange in the dry circuit 76 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., bridge bends 731 middle parts and forms wind assembling set 74, wind assembling set 74 be one straight through up big and down small inversed taper platform shape chamber, the top of wind assembling set 74 is provided with semisphere blast cap 78, and the lower openings 79 of wind assembling set 74 is towards low temperature coke quencher 72; The dry pipe 77 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. is arranged in bridge bow 731, and wind assembling set 74 is led in dry pipe 77 one end that relieve dizziness, high fever, infantile convulsions, epilepsy, etc., and the other end leads to the dry circuit 76 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., and the dry circuit 76 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. is connected by blast pipe 761 and quenching exhaust gas fan 75; Bottom opening 721 places of low temperature coke quencher 72 are provided with the valve 70 that discharges of the coke.
As shown in figure 12, be provided with the quenching temperature monitoring hole 711 of leading to high temperature coke quencher 71 on the exterior wall 91 of body of heater, quenching temperature monitoring hole is provided with quenching thermometer 712 in hole.
As shown in figure 14, quenching thermometer 712, quenching exhaust gas fan 75 and the valve 70 that discharges of the coke are electrically connected with industry control center 90, industry control center 90 is controlled automatically to quenching exhaust gas fan 75 and the valve 70 that discharges of the coke, and by quenching thermometer 712, quenching temperature is monitored.Quenching thermometer 712, quenching exhaust gas fan 75 and the valve 70 that discharges of the coke are electrically connected with industry control center 90 by the dry Setup Controller 907 that puts out, and certainly from electric control theory, in this example, the dry Setup Controller 907 that puts out does not form the restriction to this routine protection domain.
Section five, continuous coking apapratus
Comprehensively above-mentioned, a large advantage of this coal heat decomposition stove is energy Continuous coking, replaces traditional coking at intermittence or native nest coking, compares traditional coal-coking process, has incomparable advantage.
The comprehensive cyclic utilization of Part V, pyrolysis of coal gas
Chapter 1, the reclaiming clean utilization of raw gas (derivation, condensation, change are produced)
First segment raw gas take-up gear
The raw gas producing in pyrolysis of coal process is containing a lot of useful compositions, as H
2s, HCH etc. sour gas, NH
3the organism such as alkaline gas, tar class, benzene class, naphthalene class, washing oil class, need to derive to utilize raw gas.
As shown in figure 16, raw gas take-up gear 8, comprises raw gas concentration chamber 81, interior derivation passage 82, and outer derivation passage 83, derivation main channel 84, derive circuit 85; It is integrally formed that raw gas concentration chamber 81 is arranged on top and the coking chamber 61 of coking chamber 61; As shown in Fig. 2, Fig. 5, interior derivation passage 82 arranges in quirk partition wall 635, and interior derivation feeder connection 821 leads to coking chamber 61 through interior ringwall 612 middle parts, the raw gas concentration chamber 81 that interior derivation channel outlet 822 is led to coking chamber top through interior ringwall 612; As shown in Figure 17, Figure 15, Figure 11, outer derivation passage 83 arranges in the exterior wall of body of heater 91, lower outside derivation feeder connection 831, upper outside derivation feeder connection 834 lead to coking chamber 61 through outer ring wall 613 middle parts, the raw gas concentration chamber 81 that outer derivation channel outlet 832 is led to coking chamber top through outer ring wall 613.
As shown in figure 16, deriving main channel 84 is arranged in the exterior wall of body of heater 91 of coal heat decomposition stove, derivation main channel entrance 841 communicates with raw gas concentration chamber 81 and extends up in the exterior wall top derivation circuit 85 that body of heater 91 is set again, and derives circuit 85 a raw gas export mouth 851 is set.
As Figure 16, Figure 17, shown in Figure 11, in this example because coking chamber 61 annular chamber, so raw gas concentration chamber 81 is corresponding annular chamber also, article 6, in, deriving passage 82 is separately positioned in 6 road quirk partition walls 635, lead to coking chamber 61 through interior ringwall 612, article 6, outer derive passage 83 be separately positioned in the middle of body of heater 91 exterior walls through and outer quirk partition wall 625 and outer ring wall 613 lead to coking chamber 61, wherein, because the circumference of coking chamber 61, so at the interior ringwall 612 of coking chamber 61, on outer ring wall 613, be respectively arranged with multiple interior derivation feeder connections 821 and lower outside derivation feeder connection 831, upper outside derivation feeder connection 834, again because the height of coking chamber 61 is high, interior derivation feeder connection 821 and lower outside derivation feeder connection 831, the setting of staggering up and down of upper outside derivation feeder connection 834, as Figure 16, in shown in Figure 11, derive feeder connection 821 higher than lower outside derivation feeder connection 831, but lower than upper outside derivation feeder connection 834 places, this example adopts this structure better to derive the raw gas that in coking chamber 91, different sections produce, also be provided with 4 the larger raw gas of sectional area main channels 84 around raw gas concentration chamber 81 in addition and lead to derivation circuit 85, the object arranging like this can conveniently derive a large amount of raw gas in raw gas concentration chamber 81.
As shown in figure 16, on the exterior wall of body of heater 91, be provided with the raw gas temperature monitoring holes 811 that leads to raw gas concentration chamber 81, in raw gas temperature monitoring holes 811, place raw gas temperature table 812.
As shown in figure 14, raw gas temperature table 812 is electrically connected with industry control center 90, and temperature in raw gas concentration chamber 81 is monitored by raw gas temperature table 812 in industry control center 90.
This routine feature by the raw gas that different sections produce in coking chamber 61 respectively from interior derivation feeder connection 821 and lower outside derivation feeder connection 831, upper outside derivation feeder connection 834 enter interior derivation passage 82 and derivation passage collect again in raw gas concentration chamber 81 in going out 83, certainly a large amount of raw gas in coking chamber 61 are directly to rise up in raw gas concentration chamber 81, raw gas a large amount of in raw gas concentration chamber 81 enter derivation circuit 85 by deriving main channel 84, finally discharge from raw gas export mouth 851.
Second section raw gas condensing works
As shown in figure 16, discharge raw gas temperature from raw gas export mouth 851 higher,, need to use raw gas condensing works 86 and carry out cooling to high temperature raw gas changing antenatal conveying for the ease of high temperature raw gas.
As shown in figure 17, raw gas condensing works 86 comprises, condensation housing 861, regulating wheel 862, sealing cover 860, threaded adjusting bar 863, water seal valve gap 864, water seal valve seat 865, effuser 867, ammoniacal liquor shower nozzle 868; Condensation housing 861 is long barrel shape, its side wall upper part offers raw gas admission port 869, ammoniacal liquor shower nozzle 868 is arranged on the top of condensation housing 861, stretch out and regulating wheel 862 thread connection from the top through hole 8611 of condensation housing 861 threaded adjusting bar 863 one end, sealing cover 860 is nested with on threaded adjusting bar 863 and is fixed on condensation housing 861, for shutoff top through hole 8611, prevent that raw gas from releasing from top through hole 8611; Threaded adjusting bar 863 the other ends and water seal valve gap 864 are connected to a fixed, water seal valve seat 865 is arranged on the interior middle and lower part of condensation housing 861 by 861 points upper and lower two of condensation housings, the water seal valve seat 865 middle parts one section of barrel-shaped opening bottleneck 8651 that raises up, water seal valve gap 864 tips upside down on opening bottleneck 8651; Effuser 867 is arranged on condensation housing 861 bottoms.
In addition, regulating wheel 862 can manual adjustment wheel, can also be the automatic regulating wheel with stepper-motor, and industry control center 90 is rotated and automatically controlled regulating wheel 862 as shown in figure 14.
This routine feature is: when the raw gas of common 600 DEG C~650 DEG C are discharged by raw gas admission port 869 and entered condensation housing 861 from raw gas export mouth 851, run into raw gas that ammoniacal liquor that ammoniacal liquor shower nozzle 868 sprays the lowered the temperature mixed solution together with coal tar and ammoniacal liquor, enter condensation housing 861 bottoms from flowing through between water seal valve gap 864 and barrel-shaped opening bottleneck 8651, finally carry and carry out follow-up purification recovery by effuser 867, this example drives threaded adjusting bar 863 to move up and down by the rotation of regulating wheel 862, thereby the degree of depth that drives water seal valve gap 864 to be buckled on opening bottleneck 8651 plays the raw gas pressure of controlling raw gas concentration chamber 81, booster action is played in pyrolysis of coal process control to coking chamber 61.
Section three, the reclaiming clean of raw gas
Raw gas after ammoniacal liquor sprays is transported to gas-liquid separation device together with the mixed solution of coal tar and ammoniacal liquor through effuser and carries out gas-liquid separation, in mixed solution after gas-liquid separation, contain multiple useful organic component and refine other auxiliary product for industry as carbolic oil, naphtalene oil, washing oil, carbolineum etc., coal gas after gas-liquid separation is after air cooling cooling, after dry back receiving apparatus purifies recovery, become purified gas, purified gas can store for burning.
As shown in Figure 21, Figure 22, Figure 20, raw gas reclaiming clean device 4 comprises gas-liquid separator 42, air cooler 43, gas fan group 44, activated coke dry method withdrawer 45, activated coke bucket elevator 46, activated coke revivifier 47, cut tower 48, oil gas air cooler 49.
As shown in Figure 22, Figure 20, raw gas and coal tar and ammonia water mixture enter respectively in two branch roads through gas-liquid separation, raw gas Jing Yi road heating gas transfer lime 412 upwards leads to air cooler 43, coal tar and ammonia water mixture lead to coal tar ammonia precipitation process groove 42 downwards through another road mixed solution pipe 413, and coal tar ammonia precipitation process groove 42 separates coal tar with ammonia precipitation process, air cooler 43 comprises air cooling housing 431, coal gas cooling pipe network (figure is not depending on going out), the inner air cooling chamber that forms of air cooling housing 431, coal gas cooling pipe network (figure is not depending on going out) forms independent loop and is placed in air cooling chamber, coal gas cooling pipe network entrance is connected with heating gas transfer lime 412 by the first air cooling gate valve 432, coal gas cooling pipe network outlet 433 is also provided with the second air cooling gate valve 434, gas fan group 44 is connected by the first air cooling gas conveying tube 414 and the second air cooling gate valve 434, activated coke dry method withdrawer 45 communicates with gas fan group 44 by the second air cooling gas conveying tube 415.
As shown in figure 20, activated coke dry method withdrawer 45 comprises that recycling shell collector 453, absorption storehouse 458, unsaturated activated coke enter storehouse 454, saturated active coke storage silo 456, recycling shell collector 453 is a cavity container, recycling shell collector 453 top purified gas output tubes 416, recycling shell collector 453 bottoms and the second gas conveying tube 415 are connected; Absorption storehouse 458 is arranged in sky recycling shell collector 453 between purified gas output tube 416 and the second gas conveying tube 415, top 4581, the bottom 4582 in absorption storehouse 458 are filtration net structure, absorption top, storehouse 4581 enters storehouse 454 with the unsaturated activated coke that is arranged on recycling shell collector 453 tops and is connected, and absorption top, storehouse 4581 and unsaturated activated coke enter the first recovery gate valve 455 is set between storehouse 454; Absorption storehouse bottom 4582 be arranged on recycling shell collector 453 bottoms with saturated active coke storage silo 456 is connected, bottom absorption storehouse 4582 and saturated active coke storage silo 456 between be provided with the second recovery gate valve 457.
As shown in figure 20, activated coke revivifier 47 comprises revivifier housing 471, hot waste gas evaporation pipe network 472, unsaturated activated coke recovery bin 476, revivifier housing 471 is a cavity container, revivifier housing 471 tops are provided with saturated active coke and enter gate valve 475, bottom is provided with unsaturated activated coke discharge gate valve 474, unsaturated activated coke discharge gate valve 474 belows are provided with unsaturated activated coke recovery bin 476, are also provided with evaporation exhaust of oil pipe 473 on revivifier housing 471; 472 one-tenth independent loops of waste gas evaporation pipe network are arranged in revivifier housing 471 chambeies, the bottom of waste gas evaporation pipe network 472 is provided with hot waste gas and enters pipe 477, top is provided with hot waste gas delivery pipe 479, in order to increase the flow velocity of hot waste gas at waste gas evaporation pipe network 472, be provided with waste gas circulation pipeline 478 at waste gas evaporation pipe network 472 middle parts, waste gas circulation pipeline 478 stretch out revivifier housing 471 outer and hot waste gas blower fan (figure is not depending on going out) be connected.
As shown in figure 20, activated coke bucket elevator 46 comprises saturated active coke bucket elevator 461, unsaturated activated coke bucket elevator 462, saturated active coke bucket elevator 461 one end are arranged in the saturated active coke storage silo 456 of activated coke dry method withdrawer 45 belows, and the saturated active coke that the other end leads to activated coke revivifier 47 tops enters gate valve 475; Unsaturated activated coke bucket elevator 462 one end are arranged in unsaturated activated coke recovery bin 476, and the unsaturated activated coke that the other end leads to activated coke dry method withdrawer 45 enters in storehouse 454.
As shown in figure 21, cut tower 48 comprises cut tower shell 481, crude benzol return channel 482, cut net 483, mixed triolein oil trap 484, carbolineum medial launder 485, cut tower shell 481 is a cavity container, the top of cut tower shell 481 is provided with light oil crude benzene vapor vent pipe 417, and cut tower shell 481 bottoms are carbolineum medial launder 485, cut net 483 is arranged in cut tower shell 481 and is positioned at the top of carbolineum medial launder 485, cut net 483 comprises lower cut net 4831, middle cut net 4832, upper cut net 4833, wherein descend cut net 4831, middle cut net 4832, upper cut net 4833 is disposed in cut tower shell 481 successively from top to bottom, lower cut net 4831, between middle cut net 4832, the evaporation exhaust of oil pipe 473 of cavity and activated coke revivifier 47 is connected, middle cut net 4832, upper cut net 4833 is provided with mixed triolein oil trap 484, between upper cut net 4833 and the top of cut tower shell 481, crude benzol return channel 482 is set.
As shown in figure 21, carbolineum medial launder 485 is mainly used to deposit carbolineum, and it is the common cooling structure of an industry (referring to the structrual description of following mixed triolein water cooler 487) that carbolineum medial launder 485 connects a carbolineum water cooler 486 with circulation pipe network.
As shown in figure 21, mixed triolein oil trap 484 comprises oil trap dividing plate 4841, oil trap is every cap 4842, in the middle of oil trap dividing plate 4841, raise up a split ring along 4843, oil trap every cap 4842 cover put split ring along 4843 on, split ring along 4843 and cut tower shell 481 between form oil-collecting tank 4844, oil-collecting tank 4844 slot parts are provided with the mixed triolein transfer lime 418 that passes cut tower shell 481, mixed triolein transfer lime 418 communicates with mixed triolein water cooler 487, mixed triolein water cooler 487 is common cooling structure, comprise and in cooler casing 4871, form waterway 4872, contaminated product cooling pipe network 4873 forms independent loop and is placed in waterway 4872, the entrance of contaminated product cooling pipe network 4873 communicates with mixed triolein transfer lime 418, the outlet of contaminated product cooling pipe network 4873 communicates with mixed triolein medial launder 488, mixed triolein medial launder 488 is mainly used to deposit mixed triolein.
As shown in figure 21, oil gas air cooler 49 comprises air cooler support body 491, air cooler pipe network 492, air cooling blower fan 493, air cooler support body 491 upper and lower parts form respectively airtight upper chamber 497, lower chamber 498, between upper chamber 497 and lower chamber 498, communicate by air cooler pipe network 492, upper chamber 497 communicates with light oil crude benzene vapor vent pipe 417, lower chamber 498 is led in water-and-oil separator 495 and crude benzol backflash 496,495 industry common structures of water-and-oil separator, repeat no more.
Comprehensively going out a kind of raw gas by the described content of above first, second and third joint of this chapter derives condensation and reclaiming clean device and method, and this device comprises raw gas take-up gear 8, raw gas condensing works 86, raw gas reclaiming clean device 4.
The step that present method realizes is:
(1) raw gas, by raw gas take-up gear 8, pyrolysis of coal in coking chamber 61 being produced is derived;
(2), the raw gas of derivation is passed into raw gas condensing works 8 and carry out the mixed solution of ammoniacal liquor sprinkling cooling formation raw gas together with coal tar and ammoniacal liquor;
(3), by the regulating wheel 83 of raw gas condensing works 8, thereby regulate raw gas to realize the pressure-controlling to the raw gas in coking chamber 61 together with the circulation of the mixed solution of coal tar and ammoniacal liquor;
(4), raw gas is together with coal tar and the gas-liquid separation of ammonia water mixture process, raw gas upwards leads to air cooler 43 through raw gas reclaiming clean device 4 Yi road heating gas transfer limes 412 and carries out coolingly, and coal tar ammonia water mixture flows to tar ammonia settling bath 42 downwards through another raw gas reclaiming clean device 4 Yi road mixed solution pipes 413 and carries out precipitate and separate;
(5), cooling raw gas is delivered to through gas fan group 44 in the activated coke dry method withdrawer 45 of raw gas reclaiming clean device 4 and is carried out activated coke absorption (also can be referred to as activated coke absorption in industry), saturated activated coke falls into saturated active coke storage silo 456, send into activated coke revivifier 47 through saturated active coke bucket elevator 462 and evaporate regeneration, unsaturated activated coke after evaporation falls into unsaturated activated coke recovery bin 476, again send in activated coke dry method withdrawer 45 and enter absorption through unsaturated activated coke bucket elevator 46, so repeatedly carry out, purified gas after absorption is transported to combustion heater by purified gas output tube 416 and burns,
(6), evaporate the light oil that contains of regeneration through the activated coke revivifier 47 of raw gas reclaiming clean device 4, crude benzol, mixed triolein, the compositions such as carbolineum enter cut tower 48 by evaporation exhaust of oil pipe 473 and carry out cut, the carbolineum that proportion is larger flows in carbolineum medial launder by lower cut net 4833, the slightly heavy mixed triolein of proportion flows in the oil-collecting tank 4844 of mixed triolein oil trap 484, enter in mixed triolein water cooler 487 cooling by mixed triolein transfer lime 418, finally store in mixed triolein medial launder 488, the light oil that proportion is lighter and crude benzol steam enter and oil gas air cooler 49, carry out condensation from light oil crude benzene vapor vent pipe 417, phlegma enters water-and-oil separator 495 and carries out oily water separation, light oil and crude benzol solution enter in crude benzol backflash 496, wherein a part is used for returning stream, part overflow is to light oil crude benzol medial launder.
Chapter 2, the recycle after raw gas reclaiming clean (burning, dryly put out, burnt upgrading, again burn, enter the preheating of stove coal, enter stove coal dewatering, tonifying Qi air heating)
First segment raw gas purifies the purified gas burning after reclaiming
Raw gas is through purifying after recovery, part purified gas be transported to this example above introduce enter combustion heater in the outer gas-operated thermal bath facility described in stove pyrolysis of coal charing part and the combustion heater in interior burning heater burns, provide thermal source to pyrolysis of coal.
Raw gas is derived condensation and reclaiming clean device and method by first, second and third joint introduction of comprehensive Part V chapter 1, and the content that enters stove pyrolysis of coal charing heating of chapter 4 first segment introduction draws a kind of coal heat decomposition stove raw gas derivation condensation and reclaiming clean and combustion unit and method.
As shown in figure 23, a kind of coal heat decomposition stove raw gas is derived condensation and reclaiming clean and combustion unit, comprise raw gas take-up gear 8, raw gas condensing works 86, raw gas reclaiming clean device 4, outer gas-operated thermal bath facility 64, also comprises the 3rd combustion heater 68, the 4th combustion heater 69 of interior burning heater 67; Described raw gas take-up gear 8, raw gas condensing works 86, raw gas reclaiming clean device 4 concrete structures are shown in first, second and third joint introduction of Part V chapter 1; The 3rd combustion heater 68, specifically the seeing with chapter 4 first segment of the 4th combustion heater 69 of described outer gas-operated thermal bath facility 64 and interior burning heater 67 enter stove pyrolysis of coal charing heating introduction, repeat no more here.
As shown in figure 23, it should be noted that the annexation between them here, the raw gas export mouth 851 of the derivation circuit 85 of described raw gas take-up gear 8; The raw gas admission port 869 of described raw gas condensing works 86 is connected with the raw gas export mouth 851 of the derivation circuit 85 of raw gas take-up gear 8 by pipeline; The gas-liquid mixed of described raw gas reclaiming clean device 4 enters pipe and is connected with the effuser 867 of raw gas condensing works 86 by pipeline 411, the activated coke dry method withdrawer 45 of described raw gas reclaiming clean device 4 communicates with gas fan group 44 by the second air cooling gas conveying tube 415, and the gas fan 665 of the gas reversing system 66 of described outer gas-operated thermal bath facility 64 is connected with the purified gas output tube 416 of the activated coke dry method withdrawer 45 of raw gas reclaiming clean device 4 by pipeline.
As shown in figure 14, electric connecting relation between them is that industry control center 90 is electrically connected with gas temperature table 812, regulating wheel 862, the rotation reversing motor 663 of gas reversing system controller 906, air blower 664, gas fan 665, exhaust gas fan 666.
Electrical principle between them is, temperature in raw gas concentration chamber 81 is monitored by raw gas temperature table 812 in industry control center 90, thereby the logical pressure that regulating wheel 862 is rotated to the raw gas in the derived quantity adjustment coking chamber that carries out automatic control and adjustment raw gas, by the burning of rotation reversing motor 663, air blower 664, gas fan 665, exhaust gas fan 666 regulating and controlling raw gas, play the Comprehensive Control to pyrolysis of coal process again.
The step that present method realizes is:
(1), by the raw gas of pyrolysis of coal in coking chamber 61 by raw gas take-up gear 8 respectively from interior derivation feeder connection 821 and lower outside derivation feeder connection 831, upper outside derivation feeder connection 834 enter interior derivation passage 82 and derivation passage go out in 83 to collect again in raw gas concentration chamber 81, in raw gas concentration chamber 81, a large amount of raw gas enter and derive circuit 85 by deriving main channel 84, finally enter raw gas condensing works 86 from raw gas export mouth 851 and the raw gas admission port 869 of raw gas condensing works 86;
(2), carry out ammoniacal liquor through raw gas condensing works 86 and spray the mixed solution of cooling formation raw gas together with coal tar and ammoniacal liquor; Raw gas enters pipe 411 by the effuser 867 of raw gas condensing works 86 with the gas-liquid mixed of raw gas reclaiming clean device 4 again together with the mixed solution of coal tar and ammoniacal liquor and enters in raw gas reclaiming clean device 4;
(3), raw gas is together with coal tar and the gas-liquid separation of ammonia water mixture process, raw gas upwards leads to air cooler 43 through raw gas reclaiming clean device 4 Yi road heating gas transfer limes 412 and carries out coolingly, and coal tar ammonia water mixture flows to tar ammonia settling bath 42 downwards through another raw gas reclaiming clean device 4 Yi road mixed solution pipes 413 and carries out precipitate and separate;
(4), carry out activated coke absorbing, recovering and purifying in the activated coke dry method withdrawer 45 of cooling raw gas through raw gas reclaiming clean device 4, the purified gas after absorbing, recovering and purifying is transported to by purified gas output tube 416 in the gas fan 665 of gas reversing system 66 of outer gas-operated thermal bath facility 64;
(5), the rotation reversing motor of gas reversing system 66 663 drives upper dish 661 to rotate on lower wall 662, air supervisor 667 is in charge of 6671 connections with the first air, air be responsible for 667 and second air be in charge of 6673 in dissengaged positions; Meanwhile, coal gas supervisor 668 and the first gas manifold 6681 are also connected, coal gas supervisor 668 and the second gas manifold 6683 dissengaged positions; Meanwhile, combustion exhaust supervisor 669 is in charge of 6691 with the first combustion exhaust and also cuts off mutually, and corresponding combustion exhaust supervisor 669 and the second combustion exhaust are in charge of 6693 in the state of being connected;
(6), air blower 664 by air blast air supervisor 667, air successively through air pipe connecting 6672, the first air be in charge of 6671, the first air bustle pipe 6674, the first air enter arm 627 and enter into the first accumulation of heat chamber 626, enter in the first combustion chamber 621 after utilizing heat that the first heat storage 623 discharges to heat air, simultaneously, gas fan 665 obtains raw gas purified gas and blasts coal gas supervisor 668 after reclaiming clean, coal gas passes through coal gas pipe connecting 6682 successively, the first gas manifold 6681, the first coal gas bustle pipe 6684, the first coal gas enters arm 622 and enters in the first combustion chamber 621 and burn, meanwhile, because combustion exhaust supervisor 669 is in charge of 6691 in phase dissengaged positions with the first combustion exhaust, and corresponding combustion exhaust supervisor 669 and the second combustion exhaust are in charge of 6693 in the state of being connected, so the waste gas in the first combustion chamber 621 after gas-fired can only enter into the second combustion chamber 601 by the combustion chamber through hole 6251 on outer quirk partition wall 625 tops, again after the second heat storage 603 in the second accumulation of heat chamber 606 carries out absorbing and cooling temperature from the second combustion exhaust exhaust outlet 608, the second combustion exhaust bustle pipe 6695, the second combustion exhaust is in charge of 6693, combustion exhaust supervisor 669 discharges by exhaust gas fan 666,
(7), through burning after a while, the rotation reversing motor 663 of gas reversing system 66 drives upper dish 661 to rotate backward on lower wall 662, air supervisor 667 and the first air are in charge of 6671 cut-outs, air supervisor 667 and the second air are in charge of 6673 in on-state, simultaneously, coal gas supervisor 668 also cuts off mutually with the first gas manifold 6681, coal gas supervisor 668 and the second gas manifold 6683 on-states, meanwhile, combustion exhaust supervisor 669 and the first combustion exhaust are in charge of 6691 and are also connected, and corresponding combustion exhaust supervisor 669 and the second combustion exhaust are in charge of 6693 also phase dissengaged positions,
(8), air blower 664 by air blast air supervisor 667, air successively through air pipe connecting 6672, the second air be in charge of 6673, the second air bustle pipe 6675, the second air enter arm 607 and enter into the second accumulation of heat chamber 606, after the heat that utilizes the second heat storage 603 in the second accumulation of heat chamber 606 to discharge heats air, enter in the second combustion chamber 601, simultaneously, gas fan 665 obtains raw gas purified gas and blasts coal gas supervisor 668 after reclaiming clean, coal gas passes through coal gas pipe connecting 6682 successively, the second gas manifold 6683, the second coal gas bustle pipe 6685, the second coal gas enters arm 602 and enters in the second combustion chamber 601 and burn, meanwhile, because combustion exhaust supervisor 669 and the first combustion exhaust are in charge of 6691 and are connected, and corresponding combustion exhaust supervisor 669 and the second combustion exhaust are in charge of 6693 in phase dissengaged positions, so the waste gas in the second combustion chamber 601 after gas-fired can only enter in the first combustion chamber 621 by the combustion chamber through hole 6251 on outer quirk partition wall 625 tops, again through the first accumulation of heat chamber 626, in the first heat storage 603 absorbing and cooling temperatures after, finally from the first combustion exhaust exhaust outlet 628, the first combustion exhaust bustle pipe 6694, the first combustion exhaust is in charge of 6691, combustion exhaust supervisor 669 discharges by exhaust gas fan 666,
(9), evaporate the light oil that contains of regeneration through the activated coke revivifier 47 of raw gas reclaiming clean device 4, crude benzol, mixed triolein, the compositions such as carbolineum enter cut tower 48 by evaporation exhaust of oil pipe 473 and carry out cut, the carbolineum that proportion is larger flows in carbolineum medial launder by lower cut net 4833, the slightly heavy mixed triolein of proportion flows in the oil-collecting tank 4844 of mixed triolein oil trap 484, enter in mixed triolein water cooler 487 cooling by mixed triolein transfer lime 418, finally store in mixed triolein medial launder 488, the light oil that proportion is lighter and crude benzol steam enter and oil gas air cooler 49, carry out condensation from light oil crude benzene vapor vent pipe 417, phlegma enters water-and-oil separator 495 and carries out oily water separation, light oil and crude benzol solution enter in crude benzol backflash 496, wherein a part is used for returning stream, part overflow is to light oil crude benzol medial launder.
Further, in like manner the 3rd combustion heater 68, the 4th combustion heater 69 of interior burning heater 67, it is identical that the combustion system of the 3rd combustion heater 68 and the first combustion heater 61 of (6) China and foreign countries' gas-operated thermal bath facility 64 burn, the combustion system of the 4th combustion heater 69 of interior burning heater 67 with (8) at home and abroad the second combustion heater 60 of gas-operated thermal bath facility 67 burn identical.