CN202898324U - Flame path arch of coal pyrolyzing furnace - Google Patents

Abstract

The utility model discloses a flame path arch of a coal pyrolyzing furnace. The flame path arch is arranged in a furnace chamber under a carbonization chamber, an internal combustion heating device and a coke modifying device, wherein the flame path arch mainly comprises arches and a flame arch central ring wall; a high-temperature combustible waste gas channel 653 is formed in the middle of the frame arch central ring wall; one end of each arch is fixedly arranged on the frame arch central ring and the other end is fixed on the furnace body; the arches are distributed radially at intervals at a certain angle around the center of the frame arch central ring wall; the number of the arches is the same as that of the main and secondary flame paths of the internal combustion heating device; a third gas inlet branch pipe and an extension channel of a third heat storage chamber are spread in the wall of a previous flame arch; a first air supplement pipe and a secondary air supplement pipe are spread in the wall of the next adjacent flame arch; and the spreading is performed repeatedly like that. The technical solution of the flame path arch supplies supports to the inner ring wall of the carbonization chamber, the flame path partition and the central ring wall of the internal combustion heating device in the coal pyrolyzing furnace, and supplies various pipeline spreading to the internal combustion heating device.

Description

A kind of quirk bow of coal heat decomposition stove

Technical field

The utility model relates to a kind of fire bow, the particularly bow of the quirk in a kind of coal heat decomposition stove furnace chamber.

Background technology

Coal heat decomposition stove in the market (pit kiln) mostly adopts intermittent type coking, enter the stove coal proportioning, dewater, advance coal, preheating, charing, burnt upgrading, dried each processing step such as put out is relatively independent, can not produce continuously, production efficiency is low; In addition, the raw gas that produces in the pyrolysis of coal process contains a lot of useful compositions, such as H ₂S, HCH etc. sour gas, NH ₃The organism such as alkaline gas, tar class, benzene class, naphthalene class, washing oil class do not have the complete complete technique that raw gas derivation, reclaiming clean are used.

This impel the inventor to explore to create the complete Continuous coking of a cover and to raw gas derive, the reclaiming clean complete technique of recycle in addition.

Summary of the invention

The utility model provides a kind of quirk bow of coal heat decomposition stove, and this quirk bow had both played the support to each device in the coal heat decomposition stove furnace chamber, provides pipeline laying for convenient to each device in the coal heat decomposition stove furnace chamber again.

Realize that the technical scheme that above-mentioned purpose is taked is:

A kind of quirk bow of coal heat decomposition stove, be arranged on coking chamber, the internal combustion heating unit, in the furnace chamber of burnt modifying apparatus below, mainly comprise bar bow and fiery bow center ringwall, ringwall middle part, described fiery bow center forms high temperature combustible exhaust gas passage 653, described bow one end is fixed on the fire bow center ring, the other end is fixed on the body of heater, the bar bow centers on the at a certain angle radial layout of scattering in interval of ringwall center, fiery bow center, the master of quantity and internal combustion heating unit, secondary internal-quirk sum is consistent, wherein go up in the fiery body of wall that bends and lay the extension passage that the 3rd coal gas enters arm and the 3rd accumulation of heat chamber, a blowdown pipe of laying in the body of wall that tight other adjacent next bar fire bends, the secondary air compensating pipe so repeats to lay.

Technical solutions of the utility model provided support both for the quirk partition wall, center ringwall of ringwall in the coking chamber in the coal heat decomposition stove furnace chamber and internal combustion heating unit etc., the laying of various pipelines were provided for again simultaneously the internal combustion heating unit.

Description of drawings

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

Fig. 1 is F place enlarged view among Figure 15;

Fig. 2 is x-x place sectional view among Fig. 1;

Fig. 3 is the related gas reverser synoptic diagram of the utility model;

Fig. 4 is the related gas reverser upper lower burrs synoptic diagram of the utility model;

Fig. 5 is c-c place schematic cross-section among Fig. 4;

Fig. 5-the 1st, the gas reverser that the utility model is related and combustion heater pipe network connection diagram;

Fig. 6 is z-z place schematic cross-section among Figure 11;

Fig. 7 is w-w place schematic cross-section among Figure 11;

Fig. 8 is y-y place schematic cross-section among Figure 11;

Fig. 9 is the burnt modifying apparatus synoptic diagram (u-u place sectional view among Figure 11) of the related coal heat decomposition stove of the utility model;

Figure 10 is the quirk bow synoptic diagram (t-t place sectional view among Figure 11) of the utility model coal heat decomposition stove;

Figure 11 is that the utility model is assembled synoptic diagram (E enlarged view among Figure 15) in the pyrolysis of coal carbonizing apparatus;

Figure 12 is the dry coke quenching auxiliary synoptic diagram (H enlarged view among Figure 15) of the related coal heat decomposition stove of the utility model;

The quenching bridge bow synoptic diagram of the dry coke quenching auxiliary of the coal heat decomposition stove that Figure 13 the utility model is related;

Figure 14 is the electrical connection synoptic diagram at the industry control center of the related coal heat decomposition stove of the utility model;

Figure 15 is the related coal heat decomposition stove general illustration of the utility model.

Embodiment

The specific embodiment of the quirk of a kind of coal heat decomposition stove of the utility model bow mainly in following the 4th part the 3rd joint the content of first segment (and with reference to) introduce in detail.

First part enters stove coal proportioning and preparation

As select 5 kinds of different coals, they are respectively that bottle coal, rich coal, coking coal, 1/3rd coking coal, lean coal mix first the fragmentation of then sieving, until reaching, crushed particles is formed into the stove coal below the 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.

The second part enters the stove coal dewatering

Enter dewatering of stove coal by entering stove coal dewatering device to what enter this coal heat decomposition stove in advance, play energy-saving and cost-reducing effect.

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 the dehydration, temperature may be lower, so need to carry out preheating, adjusting, cooling before entering coking chamber to entering the stove coal.

First segment enters the stove coal and advances coal and advance device for coal and be used for inputting and enter the stove coal after the dehydration

Second section enters the top that stove coal preheating primary heater unit is arranged at into the below of device for coal and is positioned at coal heat decomposition stove.Primary heater unit enters the stove coal with preheating to what reduce through temperature after carrying.

The enter stove coal of the 3rd joint after the preheating regulated and is arranged on upper of furnace body into stove coal surge bunker and is positioned at the primary heater unit bottom, enters stove coal surge bunker and is used for regulating in the coking chamber of coal heat decomposition stove and adds the amount of injecting the stove coal.

The 4th part 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, comprises that mainly coking chamber 61, outer combustion gas heating unit 64, internal combustion heating unit 67, quirk bow 65 consist of; As shown in Figure 2: coking chamber 61 is by in the fire-resistant thermally conductive material, outer ring wall 612,611 consist of an annulus, being centered around coking chamber exterior wall 611 ring peripheries is outer combustion gas heating unit 64, wherein outer combustion gas heating unit 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 consist of, in addition, as shown in figure 15: because coking chamber 61 is highly higher, wherein outer combustion gas heating unit 64 mainly is 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 consists of.

As shown in Figure 6: be internal combustion heating unit 67 in ringwall 612 rings in the coking chamber, internal combustion heating unit 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, described the first combustion heater 62 comprises that mainly 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 the first combustion chamber 621 is made by refractory materials and fire-resistant thermally conductive material are made the gas-fired quirk that coking chamber outer ring wall 611 and outer quirk partition wall 625 surround a relative closure, as shown in Figure 1, the first coal gas enters arm 622 and passes body of heater 91 exterior walls and lead in the first combustion chamber 621.

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, the first accumulation of heat chamber 626 1 ends lead to 621 bottoms, the first combustion 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 at the first air and to be provided with the first one-way air valve 629, the first one-way air valves 629 between arm 627 and the first accumulation of heat chamber 626 and to allow air to enter pipe the 627 and first accumulation of heat chamber 626 from the first air to flow into the first combustion chamber 621; 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, discharge (certainly from the first combustion exhaust exhaust outlet 628 at last, adopt gas reversing system 66 as described below, be in charge of 6671 when air supervisor the 667 and first air and connect, air supervisor the 667 and second air is in charge of 6673 and is 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 the 669 and second combustion exhaust is in charge of 6693 and is in and is connected, and can play the effect of replacement 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 comprises that mainly 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 the second combustion chamber 601 is made by refractory materials and fire-resistant thermally conductive material are made the gas-fired quirk that coking chamber outer ring wall 611 and outer quirk partition wall 625 surround a relative closure, and the second coal gas enters arm 602 and passes body of heater 91 exterior walls and lead in the first combustion chamber 601.

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, the second accumulation of heat chamber 606 1 ends lead to 601 bottoms, the second combustion chamber, the other end is connected to respectively the second air and enters arm 607 and the second combustion exhaust exhaust outlet 608, enter at the second air and to be provided with the second one-way air valve 609, the second one-way air valves 609 between arm 607 and the second accumulation of heat chamber 606 and to allow air to enter pipe the 607 and second accumulation of heat chamber 606 from the second air to 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, discharge (certainly from the second combustion exhaust exhaust outlet 608 at last, adopt gas reversing system 66 as described below, being in charge of 6671 when air supervisor the 667 and first air cuts off, air supervisor the 667 and second air is in charge of 6673 and is in connection, meanwhile, combustion exhaust supervisor the 669 and first combustion exhaust is in charge of 6691 and also is connected, and corresponding combustion exhaust supervisor 669 is in charge of 6693 also mutually cut-outs 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, the top of outer quirk partition wall 625 is provided with combustion chamber through hole 6251 between the second combustion chamber 601 of the first combustion chamber 621 and next-door neighbour, combustion chamber through hole 6251 is connected the second combustion chamber 601 of the first combustion chamber 621 and next-door neighbour and is consisted of related one group, in this example, outer combustion gas heating unit 64 is provided with quirk partition wall 625 partition walls outside 18 roads altogether, forms 9 groups of related burning groups; In addition, as shown in figure 15; Because coking chamber 61 is highly higher, wherein outer combustion gas heating unit 64 mainly is divided into the heating of upper, middle and lower segment formula, and every section has 9 groups of identical first combustion heaters 62 of structure, the second combustion heater 60 to consist of.

In sum, combustion heater and regenerative heat exchange method are;

1, when the coal gas in the first combustion chamber 621 burns, purified gas behind the raw gas reclaiming clean enters arm 622 by the first coal gas and enters in the first combustion chamber 621, the first one-way air valve 629 is opened, and allows air to enter pipe the 627 and first accumulation of heat chamber 626 from the first air and flows into the first combustion chamber 621; The described first unidirectional waste gas valve 620 is closed, after the hot waste gas that produces enters the second combustion chamber 601 by logical 6251 holes, combustion chamber, hot waste gas is during through the second heat storage 603 in the second accumulation of heat chamber 606,603 pairs of hot waste gass of the second heat storage carry out absorbing and cooling temperature, and hot waste gas becomes the relatively low low temperature waste gas of temperature and discharges from the second combustion exhaust exhaust outlet 608;

2, during the gas-fired in taking turns to the second combustion chamber 601, purified gas behind the raw gas reclaiming clean enters arm 602 by the second coal gas and enters in the second combustion chamber 601, the second one-way air valve 609 is opened, air enters arm 607 from the second air and enters into the second combustion chamber 601 processes through the second accumulation of heat chamber 606, and the heat heating that air is discharged by the second heat storage 603 becomes the gas-fired in combustion-supporting the second combustion chamber 601 of warm air; Meanwhile, the described second unidirectional waste gas valve 600 is closed, after hot waste gas after the gas-fired in the second combustion chamber 601 enters the first combustion chamber 621 by combustion chamber through hole 6251, hot waste gas is during through the first heat storage 623 in the first accumulation of heat chamber 626,623 pairs of hot waste gass of the first heat storage carry out absorbing and cooling temperature, and hot waste gas becomes the relatively low low temperature waste gas of temperature and discharges from the first combustion exhaust exhaust outlet 628;

3, in like manner, the 1st step carried out with the 2nd step alternate cycles.

As shown in Figure 1: on body of heater 91 exterior walls, also be provided with chamber temperature monitoring holes 6201 and combustion chamber spy hole 6202, combustion chamber spy hole 6202 is convenient to the gas-fired situation that the technician intuitively observes each combustion chamber, be provided with chamber temperature table 6203 in the chamber temperature monitoring holes 6201 and be used for temperature monitoring to the combustion chamber, to the assessment of pyrolysis of coal process.

As shown in figure 14: chamber temperature table 6203 links with industry control center 90, is automatically gathered the temperature data of chamber temperature table 6203 by industry control center 90.

Such 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 air supervisor 667 and first air and is in charge of 6671, the second air is in charge of 6673, coal gas supervisor 668 and first gas manifold 6681, the second gas manifold 6683, combustion exhaust supervisor 669 and second combustion exhaust is in charge of 6693, the first combustion exhaust is in charge of 6691, wherein, the second combustion exhaust is in charge of the 6693 and first combustion exhaust and is in charge of the 6691 and first air and is in charge of the 6671 and second air and is in charge of the setting of the 6673 and first gas manifold 6681 and the second gas manifold 6683 and just exchanges (Fig. 4, shown in Fig. 5-1).

Such as Fig. 3,15, shown in Fig. 5-1: on 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 drives upper dish 661 reciprocating rotation on lower wall 662 and realizes that air supervisor 667 constantly is in charge of the 6671 and second air with the first air and is in charge of 6673 and connects 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, and combustion exhaust supervisor 669 constantly is in charge of the 6693 and first combustion exhaust with the second combustion exhaust and is in charge of 6691 and connects and cut off conversion (be in charge of the 6671 and second air to be in charge of the switching of the 6673 and first gas manifold 6681 and the second gas manifold 6683 just opposite with the first air).

Shown in Fig. 1, Fig. 5-1, also be 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 pipes 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.

Shown in Fig. 5-1: the first air bustle pipe 6674 is in charge of the 6671 and first air with the first air and is entered arm 627 and link up, with the first air be in charge of the 6671, first air bustle pipe 6674, the first air enters arm 627, the first accumulation of heat chamber 626 and the first combustion chamber 621 and consists of same path; Meanwhile, the first coal gas bustle pipe 6684 enters arm 622 with the first gas manifold 6681 and the first coal gas and links up, and the first gas manifold 6681, the first coal gas bustle pipe 6684, the first coal gas is entered arm 622 and the first combustion chamber 621 consists of same path; This moment simultaneously, the first combustion exhaust bustle pipe 6694 is the first combustion exhaust to be in charge of the 6681 and first combustion exhaust exhaust outlet 628 link up, and the first combustion exhaust is in charge of the 6681, first combustion exhaust exhaust outlet 628, the first accumulation of heat chamber 626 and the same path of combustion chamber 621 formations;

In like manner, the second air bustle pipe 6675 is in charge of the 6673 and second air with the second air and is entered arm 607 and link up, with the second air be in charge of the 6673, second air bustle pipe 6675, the second air enters arm 607, the second accumulation of heat chamber 606 and the second combustion chamber 601 and consists of same path; Meanwhile, the second coal gas bustle pipe 6685 enters arm 602 with the second gas manifold 6683 and the second coal gas and links up, with 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 consists of same path; Meanwhile, the second combustion exhaust bustle pipe 6695 is in charge of the 6693 and second combustion exhaust exhaust outlet 608 with the second burning gas and is linked up, and the second combustion exhaust is in charge of the 6693, second combustion exhaust exhaust outlet 608, the second accumulation of heat chamber 606 and the second combustion chamber 601 consists of same path.

In addition; as shown in figure 14; this example comprises that also gas reversing system controller 906 is used for rotation reversing motor 663, air blower 664, gas fan 665, exhaust gas fan 666 controls; reversing system electric controller 906 links with upper industry control center 90 again; certainly from electric control theory; rotation reversing motor 663, air blower 664, gas fan 665, exhaust gas fan 666 also can directly be subjected to 90 controls of industry control center in this example, so the restriction that gas reversing system controller 906 does not consist of this routine protection domain is set herein.

Such as Fig. 1, Fig. 5-1 and Fig. 2～shown in Figure 5, the heating means of outer combustion gas heating unit 64 are:

(1) the upper dish 661 of rotation reversing motor 663 drives of gas reversing system 66 rotates at lower wall 662, and air supervisor the 667 and first air is in charge of 6671 connections, and air supervisor the 667 and second air is in charge of 6673 and is in dissengaged positions; Simultaneously, coal gas supervisor the 668 and first gas manifold 6681 also is connected, coal gas supervisor the 668 and 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 is responsible for the 669 and second combustion exhaust and is in charge of 6693 and is in the state of being connected;

(2) air blower 664 with air blast air supervisor 667, air successively through air pipe connecting 6672, the first air be in charge of the 6671, first air bustle pipe 6674, the first air enters arm 627 and enters into the first accumulation of heat chamber 626, enter in the first combustion chamber 621 after the heat that utilizes the first heat storage 623 to discharge heats air; Simultaneously, gas fan 665 blasts coal gas supervisor 668 with raw gas through obtaining purified gas behind the 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 with the first combustion exhaust and is in the phase dissengaged positions, and corresponding combustion exhaust supervisor the 669 and second combustion exhaust is in charge of 6693 and is in the state of being connected, so the waste gas in the first combustion chamber 621 after the 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, carry out behind the absorbing and cooling temperature from the second combustion exhaust exhaust outlet 608 through the second heat storage 603 in the second accumulation of heat chamber 606 again, 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 after a while burning, the rotation reversing motor 663 of gas reversing system 66 drives upper dish 661 backward rotation on lower wall 662, air supervisor the 667 and first air is in charge of 6671 and is cut off, air supervisor the 667 and second air is in charge of 6673 and is in on-state, simultaneously, coal gas supervisor 668 also cuts off mutually with the first gas manifold 6681, coal gas supervisor the 668 and second gas manifold 6683 on-states, meanwhile, combustion exhaust supervisor the 669 and first combustion exhaust is in charge of 6691 and also is connected, and corresponding combustion exhaust supervisor 669 and the second combustion exhaust are in charge of 6693 also dissengaged positions mutually;

(4) air blower 664 with air blast air supervisor 667, air successively through air pipe connecting 6672, the second air be in charge of the 6673, second air bustle pipe 6675, the second air enters arm 607 and enters into the second accumulation of heat chamber 606, enter in the second combustion chamber 601 after the heat that utilizes the second heat storage 603 in the second accumulation of heat chamber 606 to discharge heats air; Simultaneously, gas fan 665 blasts coal gas supervisor 668 with raw gas through obtaining purified gas behind the 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 the 669 and first combustion exhaust is in charge of 6691 and is connected, and corresponding combustion exhaust supervisor 669 is in charge of 6693 with the second combustion exhaust and is in mutually dissengaged positions, so the waste gas in the second combustion chamber 601 after the gas-fired can only enter by the combustion chamber through hole 6251 on outer quirk partition wall 625 tops in the first combustion chamber 621, again through the first accumulation of heat chamber 626, in the first heat storage 603 absorbing and cooling temperatures after, at last 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 combustion gas heating unit 64 combustion principle are that the waste gas that generates enters the second combustion chamber 601 from combustion chamber through hole 6251 after gas-fired in the first combustion chamber 621, the second heat storage 603 is discharged after its exhaust-heat absorption is lowered the temperature in the second combustion chamber 601 and the second accumulation of heat chamber 606.

Otherwise the waste gas that generates after gas-fired in the second combustion chamber 601 enters the first combustion chamber 621 from combustion chamber through hole 6251, and the first heat storage 603 is discharged after its exhaust-heat absorption is lowered the temperature in the first combustion chamber 621 and the first accumulation of heat chamber 606.

In sum, this gas two by the gas reversing system advances the mode of operation of the regenerative heat exchange of a mode of operation that outes and regenerative heat exchanger, realize two groups of combustion heater alternate combustion, be that the gas reversing system is sent into air, purified gas burning to the combustion chamber of the first combustion heater, hot waste gas after sucking-off is burnt 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 become the relatively low low temperature waste gas of temperature and discharge; In like manner, the gas reversing system is sent into air, purified gas burning to the combustion chamber of the second combustion heater, hot waste gas after sucking-off is burnt 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 become the relatively low low temperature waste gas of temperature and discharge; This method of mutually utilizing waste gas residual heat after the gas-fired to add warm air, both played the waste gas residual heat after the gas-fired had been taken full advantage of, improve the efficiency of combustion of the coal gas in the combustion chamber, can carry out to a certain degree cooling to the waste gas after the gas-fired again, need not consume the external energy, play energy-saving and cost-reducing purpose, save the coking cost.

Such as Fig. 6, shown in Figure 15, internal combustion heating unit 67 is mainly by some groups of (3 groups of this examples) combustion heaters 68 that structure is identical, 69 and quenching waste gas heater 63.

Such as Figure 11, shown in Figure 8, quenching waste gas heater 63 comprises internal-quirk 631,632, blowdown pipes 6321 of air benefit pipe, 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 the quirk bow 65.

As shown in Figure 8, internal-quirk 631 mainly by ringwall in the coking chamber 612 with the center ringwall 634 that is positioned at coking chamber ringwall 612 and at least internal-quirk partition wall 635 be divided into main internal-quirk 636 arranged side by side more than at least one group, secondary internal-quirk 637, as shown in Figure 8,6 main internal-quirks 636 of this example and 6 secondary internal-quirks 637 form altogether 6 groups of internal-quirks 631 side by side.

As shown in figure 11, in the secondary internal-quirk 637 shutoff dividing plate 6371 is set, lower shutoff dividing plate 6372 is divided into upper, middle and lower segment with 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; Be provided with waste gas on the quirk partition wall 635 between the secondary internal-quirk 6375 of epimere and the main internal-quirk 636 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.

Such as Figure 11, shown in Figure 8, on the quirk partition wall 635 between the secondary internal-quirk 6373 of hypomere and the 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 and the secondary internal-quirks 6373 of 6 hypomeres and main internal-quirk 636 are connected be in the same place respectively.

As shown in figure 11, center ringwall 634 surrounds centre channel 638, with upper shutoff dividing plate 6371 concordant places one channel partition 6382 is set in the centre channel 638, 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 the bottom, formation buffer zone 6381 is divided on top.

Such as Fig. 9, shown in Figure 11, ringwall 634 bottoms in center are provided with the combustible exhaust gas that connects high temperature combustible exhaust gas admission passage 6383 and main internal-quirk 636 and the secondary internal-quirk 6373 of hypomere and enter hole 639, and ringwall 634 tops in center are provided with the waste gas that connects buffer zone 6381 and main internal-quirk 636 and the secondary internal-quirk 6375 of epimere and enter hole 6301.

Such as Figure 11, Figure 10, shown in Figure 9: tonifying Qi circuit 633 is arranged on the 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, pass extend upwardly to major and minor internal-quirk 636,637 between the inside of quirk partition wall 635.

Such as Figure 11, shown in Figure 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 also is arranged on the inside of major and minor internal-quirk 636,637 quirk partition wall 635, and the secondary air compensating of secondary air compensating pipe 6322 outlet 6324 is positioned at and upper shutoff dividing plate 6371 concordant or a little higher than upper shutoff dividing plates 6371, leads to main internal-quirk 636.

Such as Figure 11, shown in Figure 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 with the secondary internal-quirk 6374 in next bar stage casing of next-door neighbour by chamber passage 6305, chamber passage 6305 below upper shutoff dividing plate 6371 and from pass the main internal-quirk 636 between next bar 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.

Such as Figure 11, Fig. 6, shown in Figure 7, the secondary internal-quirk 6374 in two stage casings in the secondary internal-quirk 637 (is namely 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 completely identical, comprises that also 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.

Such as Figure 11, shown in Figure 6, need explanation different be that the 3rd combustion chamber 681 of the 3rd burning heater 68 is the secondary internal-quirks 6374 in stage casing, namely by gas-fired quirk relatively airtight between the upper and lower shutoff dividing plate 6371,6372.

Such as Figure 11, Figure 10, shown in Figure 9: the 3rd coal gas enters arm 682 and passes to extend upward through quirk partition wall 635 inside below the bar bow 651 of quirk bow 65 and lead to the 3rd combustion chamber 681 (being the secondary internal-quirk 6374 in stage casing), the 3rd accumulation of heat chamber 686 is arranged on the body of heater 91 that bar bends 651 belows, the 3rd heat storage 683 places the 3rd accumulation of heat chamber 686, the 3rd accumulation of heat chamber 686 1 ends pass below the bar bow 651 of quirk bow 65 by extending passage 6861, extend upward through 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 by chamber passage 6305 with the 3rd combustion chamber 681 and consisted of related one group (shown in Figure 7).

Wherein, shown in Fig. 5-1, the 3rd coal gas of the 3rd combustion chamber 681 of the 3rd burning heater 68 enters arm 682, the 3rd air and enters arm 687 and the 3rd combustion exhaust exhaust outlet 688 and be in charge of the 6671, first combustion exhaust 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 respectively and be in charge of 6691 and communicate.

Shown in Fig. 5-1, the 4th coal gas of the 4th combustion chamber 691 of the 4th burning heater 69 enters arm 692, the 3rd air and enters arm 697 and the 3rd combustion exhaust exhaust outlet 698 and be in charge of the 6673, second combustion exhaust 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 respectively and be in charge of 6693 and communicate.

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 completely identical, repeat no more here.

These routine internal combustion heating unit 67 Method And Principles 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 the tonifying Qi combustion heating, and the secondary internal-quirk 6374 in stage casing is the purified gas combustion heatings that utilize in addition behind the raw gas reclaiming clean.

These routine internal combustion heating unit 67 methods are: (1), enter when the high temperature combustible exhaust gas admission passage 6383 of high temperature combustible exhaust gas from centre channel 638 bottoms, 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 that has just entered is higher generally all at 1000 ℃～1100 ℃, but dispel the heat along with waste gas rises externally to do work 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 blowdown pipe 6321, so that thereby the high temperature combustible exhaust gas obtains airborne oxygen burning, the amount of the combustible gas in the 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 the 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 rising in main quirk 636 with the waste gas after the high-temperature combustible gas body in the main internal-quirk 636 and the burning, along with the waste gas after mixed high-temperature combustible gas body and the burning can be to providing heat and externally acting for the pyrolysis of coal in the coking chamber 61 by ringwall in the coking chamber 612 in uphill process, temperature can reduce gradually;

(4) so need again to enter short covering gas by secondary air compensating pipe 6322 in the middle and upper part of main internal-quirk 636, make mixed high-temperature combustible gas body and the burning after waste gas more further the burning, this provides required heat and temperature not only for coking chamber 61 pyrolysis of coal, and the high-temperature combustible gas body is fully burnt, improve high-temperature combustible gas work by combustion efficient;

(5), in addition, owing in the middle of main internal-quirk 636 and the secondary internal-quirk 6375 of epimere, have buffer zone 6381, ringwall 634 tops in center are provided with the waste gas that connects buffer zone 6381 and main internal-quirk 636 and the secondary internal-quirk 6375 of epimere and enter hole 6301, quirk partition wall 635 between main internal-quirk 636 and the secondary internal-quirk 6375 of epimere is provided with waste gas and gangs up hole 6303, fully mutually connect between the secondary internal-quirk 6375 of each bar master internal-quirk 636 and epimere, so that the waste gas after for the second time tonifying Qi burning can mix fully mutually, reach samming between the secondary internal-quirk 6375 of place master's internal-quirk 636 and epimere and all press, balanced heat and temperature is provided for 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 secondary air compensating burns excessively;

(7); meanwhile; in order to remedy the quantity not sufficient of the combustible gas in the high-temperature combustible gas body; be not enough to provide the required heat of coking chamber 61 pyrolysis of coal and the defective of temperature; and can taking full advantage of the raw gas that produces in the 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 raw gas through the burning of the purified gas behind the reclaiming clean; namely in the secondary internal-quirk 637 in stage casing, add heat; enough heat and temperature are provided not only for coking chamber 61 pyrolysis of coal; improved again simultaneously the utilization ratio of raw gas; minimizing is discharged in atmosphere; avoid atmospheric pollution, protected environment.

The burnt upgrading of second section

Because coal carries out the coke that pyrolysis forms afterwards 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 between the coke fully to contact, mutually carry out heat transmission, this just needs burnt modifying apparatus 610.

Such as Figure 12, Figure 11, Fig. 9, shown in Figure 15, burnt modifying apparatus 610, be arranged at and be positioned in the body of heater on the 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 the combustible exhaust gas that connects high temperature combustible exhaust gas admission passage 6383 and main internal-quirk 636, the secondary internal-quirk 6373 of hypomere and enter hole 639.

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 and burnt upgrading thermometer 6012 electrical connections, the burnt upgrading temperature signal of the upgrading thermometer 6012 of automatically focusing is monitored.

The method that this burnt modifying apparatus carries out upgrading is: outside body of heater exterior wall by heat insulating refractory material is incubated, inside then enters hole 639 with the high temperature combustible exhaust gas from combustible exhaust gas and enters main internal-quirk 636 bottoms, in the secondary internal-quirk 6373 of hypomere, utilize the waste heat of high temperature combustible exhaust gas itself that insulation institute's heat requirement and temperature are provided, the high temperature combustible exhaust gas temperature that has particularly just entered just is fit to burnt upgrading between 1000 ℃～1100 ℃, make coke in burnt upgrading chamber, retain certain hour, fully contact between the coke briquette grain, carry out each other heat transmission, reach evenly purpose of coke button size.

The 3rd joint quirk bow

Such as Figure 11, shown in Figure 10, because the quirk partition wall 635 of ringwall 612 and internal combustion heating unit 67 in the coking chamber, center ringwall 634 all is arranged in the furnace chamber, need quirk bow 65 to provide support for it, the laying of various pipelines is provided for again simultaneously internal combustion heating unit 67, such as Figure 11, shown in Figure 10, quirk bow 65 is arranged on coking chamber 61, internal combustion heating unit 67, in the furnace chamber of burnt modifying apparatus 610 belows, mainly comprise some bar bow 651, fire bow center ringwall 652, ringwall 652 middle parts, fire bow center form high temperature combustible exhaust gas passage 653, bar bends 651 1 ends and is fixed on the fiery bow center ringwall 652, the other end is fixed on the body of heater 91, bar bow 651 centers on the at a certain angle radial layout of scattering in interval of ringwall 652 centers, fiery bow center, fire bow 651 in this example is 12 bows, the master of quantity and internal combustion heating unit 67, secondary internal-quirk 636,637 sums are consistent.

Such as Figure 11, shown in Figure 10, article one, in the body of wall of fire bow 651 the extension passage 6861 that the 3rd coal gas enters arm 682 and the 3rd accumulation of heat chamber 686 is set, a blowdown pipe 6321 that tightly arranges in the body of wall of another adjacent fire bow 651, secondary air compensating pipe 6322, provide convenience for the pipeline laying of internal combustion heating unit 67, article 6, be set up in parallel respectively the extension passage 6861 that 6 article of the 3rd coal gas enters arm 682 and the 3rd accumulation of heat chamber 686 in the body of wall of fire bow 651,6 blowdown pipes 6321 that are set up in parallel respectively in the body of wall of 6 fire bows 651 in addition, secondary air compensating pipe 6322, make the various conduit arrangements of internal combustion heating unit 67 orderly, be unlikely to interfere.

The 4th joint dry coke quenching

Higher through the coke temperature behind the upgrading, generally all at 1000 ℃～1100 ℃, need to cool off to make things convenient for to high temperature coke and carry and storage, the dried device 7 that puts out need to be arranged.

As shown in Figure 12 and Figure 13, the dried 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 the low temperature coke quencher 72, and quenching bridge bow 73 comprises bridge bow 731, wind assembling set 74, the dried circuit 76 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., the dried pipe 77 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc.; Article 6, the bridge bow is partitioned into spoke shape layout at an angle with high temperature coke quencher 71 and low temperature coke quencher 72 axle centers in the dried 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 dried pipe 77 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. is arranged in the bridge bow 731, and dried pipe 77 1 ends that relieve dizziness, high fever, infantile convulsions, epilepsy, etc. lead to wind assembling set 74, and the other end leads to the dried circuit 76 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., and the dried circuit 76 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. links 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 at the exterior wall 91 of body of heater, quenching temperature monitoring hole is provided with quenching thermometer 712 in the hole.

As shown in figure 14, quenching thermometer 712, quenching exhaust gas fan 75 and discharge of the coke valve 70 and 90 electrical connections of industry control center, 90 pairs of quenching exhaust gas fans in industry control center 75 and the valve 70 that discharges of the coke are automatically controlled by 712 pairs of quenching temperature of quenching thermometer and are monitored.Quenching thermometer 712, quenching exhaust gas fan 75 and the valve 70 that discharges of the coke put out Setup Controller 907 and 90 electrical connections of industry control center by dried, and certainly from electric control theory, the dried Setup Controller 907 that puts out does not consist of restriction to this routine protection domain in this example.

The dried method of utilizing low-temperature burning waste gas to carry out dry coke quenching of putting out device 7 of this example is:.

(1) waste gas after the gas-fired in the 3rd combustion heater 68 of the first burning heater 62, the first burning heater 60 and the internal combustion heating unit 67 of outer combustion gas heating unit 64, the 4th combustion heater 69 is introduced quenching exhaust gas fan 75, because the waste gas after the gas-fired becomes the relatively low low temperature waste gas of temperature respectively naturally after the heat storage heat absorption;

(2) utilize quenching exhaust gas fan 75 that low temperature waste gas is passed through blast pipe 761 successively, the dried circuit 76 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., the dried pipe 77 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. blasts in the wind assembling set Room 74, low temperature waste gas converges in wind assembling set Room 74, because wind assembling set 74 adopts unique structure, the blast cap 78 at top is semisphere, the middle part chamber is inversed taper platform shape structure, so low temperature waste gas can be from lower openings 79 blowout and going out, be blown in the low temperature coke quencher 72, upwards seal in again high temperature coke quencher 71,71 neutralizations of high temperature coke quencher are lowered the temperature from the coke that high temperature coke quencher 71 falls to low temperature coke quencher 72, this example adopts air-cooled form STRENGTH ON COKE to lower the temperature, so be referred to as dried putting out

(3) in addition, the dried device 7 that puts out of this example also can produce a certain amount of high-temperature combustible gas body dried putting out in the process, because, contain the high temperature coke that a small amount of moisture content runs into behind the burnt upgrading in one, the low temperature waste gas chemical reaction can occur, produce some inflammable gass; Two, also there is the not clean-burning inflammable gas of part in low temperature waste gas itself; Three, the residual a part of inflammable gas also of the high temperature coke behind the burnt upgrading itself, these inflammable gass upwards enter the high temperature combustible exhaust gas passage 653 at ringwall 652 middle parts, fiery bow center, thereby source of the gas are provided for the major and minor quirk 636,637 of the internal combustion heating unit 67 of coal heat decomposition stove.

The waste gas that produces after the outer combustion gas heating unit of the purified gas process coal heat decomposition stove behind the raw gas reclaiming clean that the low temperature waste gas of lifting in this example refers to produce in the pyrolysis of coal process and the burning of the combustion heater in the internal combustion heating unit, become cryogenic gas behind the heat storage absorbing and cooling temperature of this waste gas in the accumulation of heat chamber, trunk puts out device and is also advantageous in that utilizing the incombustibility of combustion exhaust own to replace having now uses inert nitrogen to carry out dried putting out, equipment is simple, with low cost, remarkable in economical benefits.This example is compared with traditional wet quenching, more can a large amount of water-gas not occur because large water gaging runs into high temperature coke and to airborne release, atmospheric pollution is little, and water saving can take full advantage of the raw gas that produces in the pyrolysis of coal process again simultaneously.

The 5th joint continuous coking apapratus

Comprehensively above-mentioned, a large advantage of this coal heat decomposition stove is can Continuous coking, replaces traditional coking at intermittence or traditional coal-coking process is compared in native nest coking, has incomparable advantage.

Claims (1)

1. the quirk of a coal heat decomposition stove bends, be arranged on coking chamber, the internal combustion heating unit, in the furnace chamber of burnt modifying apparatus below, it is characterized in that: mainly comprise bar bow and fiery bow center ringwall, ringwall middle part, described fiery bow center forms high temperature combustible exhaust gas passage, described bow one end is fixed on the fire bow center ring, the other end is fixed on the body of heater, the bar bow centers on the at a certain angle radial layout of scattering in interval of ringwall center, fiery bow center, the master of quantity and internal combustion heating unit, secondary internal-quirk sum is consistent, wherein go up in the fiery body of wall that bends and lay the extension passage that the 3rd coal gas enters arm and the 3rd accumulation of heat chamber, a blowdown pipe of laying in the body of wall that tight other adjacent next bar fire bends, the secondary air compensating pipe so repeats to lay.

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