CN103224818B

CN103224818B - Export condensation and recovery purification method for coke oven raw gas of coal gangue pyrolysis gasification

Info

Publication number: CN103224818B
Application number: CN201310132761.8A
Authority: CN
Inventors: 王新民
Original assignee: Shanxi Xinli Energy Technology Co Ltd
Current assignee: Shanxi Xinli Energy Technology Co Ltd
Priority date: 2013-04-10
Filing date: 2013-04-10
Publication date: 2015-04-22
Anticipated expiration: 2033-04-10
Also published as: CN103224818A

Abstract

The invention discloses an export condensation and recovery purification method for the coke oven raw gas of coal gangue pyrolysis gasification. The method includes the steps of: (1) providing a heat source for coal gangue pyrolysis gasification by heat storage and exchange and alternate combustion of purified coal gas; (2) letting carbon in a coal gangue pyrolysis solid product encounter superheated steam to undergo a water gas reaction so as to generate water gas; (3) exporting coke oven raw gas; (4) spraying ammonia water on the exported coke oven raw gas to lower the temperature so as to form a mixed solution of coal tar and ammonia water; (5) subjecting the mixed solution of coal tar and ammonia water to precipitation separation; (6) leaving the cooled coke oven raw gas to active coke adsorption, applying the adsorbed clean gas to storage or combustion, and subjecting saturated active coke to evaporation regeneration; and (7) fractionating evaporation regenerated light oil, crude benzene, a three-oil mixture, anthracene oil and other ingredients. The method provided in the invention recovers and purifies the coke oven raw gas in coal gangue pyrolysis gasification, realizes extraction and utilization of carbon, oil, gas and other substances in the coke oven raw gas, and has good economic value.

Description

Coal gangue pyrolytic gasification raw gas derives condensation and recovery and purification method

Technical field

The present invention relates to the technology of coal gangue pyrolytic gasification, particularly coal gangue pyrolytic gasification raw gas derives condensation and recovery and purification method.

Background technology

Coal gangue---the stone selected from raw coal is the waste residue of coal separating plant, bad process, China has the coal gangue of more than one hundred million tons not utilize every year, and still continues to discharge about 100Mt every year, not only piles up occupation of land, and can also spontaneous combustion polluted air or cause fire, cause serious environmental pollution.

Due to the incoalation of 1 years, carbon, oil, gas material containing 20-30% in coal gangue, wherein oil gas accounted for 11-15%, carbon accounts for 7-15%.Coal gangue pyrolytic gasification, (composition is the compositions such as silicon-dioxide, aluminium sesquioxide, ferric oxide, titanium dioxide, calcium oxide, magnesium oxide, potassium oxide, sodium oxide, Vanadium Pentoxide in FLAKES, manganese oxide, sulphur trioxide to obtain the solid product of oil gas product and 70-80%, the grog of sal refractory materials), there is economic worth, more have social benefit.

The present inventor to the physical property of coal gangue and the research of high-temperature coal pyrolytic gasification technique, innovates a set of brand-new coal gangue high temperature pyrolysis and gasification composite technology and device for a long time.

Summary of the invention

The invention provides coal gangue pyrolytic gasification raw gas and derive condensation and recovery and purification method, raw gas in coal gangue pyrolytic gasification is carried out reclaiming clean by the method, realizes the material extraction and applications such as the carbon in coal gangue, oil, gas material, has good economic worth.

Realizing the technical scheme that above-mentioned purpose takes is:

Coal gangue pyrolytic gasification raw gas derives condensation and recovery and purification method, and the equipment that the method relates to mainly comprises coal gangue pyrolysis gasifying device, raw gas take-up gear, raw gas condensing works, raw gas reclaiming clean device; Described coal gangue pyrolysis gasifying device mainly comprises coal gangue pyrolysis installation and water-gas reaction device, described coal gangue pyrolysis installation is arranged in the middle part of body of heater, mainly comprise pyrolysis vaporizer, outer gas-operated thermal bath facility, interior gas-operated thermal bath facility, central supported bow formation, described pyrolysis vaporizer forms an annulus by the inside and outside ringwall of fire-resistant thermally conductive material, being centered around pyrolysis vaporizer's exterior wall ring periphery is outer gas-operated thermal bath facility, is interior gas-operated thermal bath facility in ringwall ring in pyrolysis vaporizer; Described water-gas reaction device comprises pyrolysis vaporizer, material heat sink, steam generation device, the pyrolysis vaporizer of described pyrolysis vaporizer and coal gangue pyrolysis installation is same room, pyrolysis vaporizer is positioned at central supported bow top, and described material heat sink, steam generation device are positioned at central supported bow below; Described raw gas reclaiming clean device comprises coal tar and ammoniacal liquor gas-liquid mixture transfer lime, coal tar ammonia precipitation process groove, air cooler, gas fan group, activated coke Dry recovery device, activated coke bucket elevator, active coke, cut tower, oil gas air cooler; The raw gas export mouth of described raw gas take-up gear first communicates with the raw gas admission port of raw gas condensing works, the effuser of raw gas condensing works communicates with the coal tar of raw gas reclaiming clean device and ammoniacal liquor gas-liquid mixture transfer lime again, and the step that present method realizes is:

(1), by two groups of combustion heater alternate combustion of the outer gas-operated thermal bath facility of coal gangue pyrolysis installation, interior gas-operated thermal bath facility and the regenerative heat exchange of two groups of regenerative heat exchangers provide thermal source to gas-fired after purification to pyrolysis vaporizer, coal gangue carries out pyrolysis under hot environment in pyrolysis vaporizer;

(2), high-temperature water vapor is passed into by water-gas reaction device from pyrolysis vaporizer bottom, and the coal gangue pyrolysis material hot with the high temperature of pyrolysis vaporizer contacts, the charcoal in the solid product after coal gangue pyrolysis and superheated vapour meet and carry out water-gas reaction and generate water-gas;

(3), the gas that produces in high temperature pyrolysis process of coal gangue and carry out water-gas reaction and generate water-gas (carbon monoxide and hydrogen), be referred to as raw gas, raw gas is derived by raw gas take-up gear;

(4), the raw gas of derivation is passed into raw gas condensing works to carry out ammoniacal liquor and spray cooling and form the mixed solution of raw gas together with coal tar and ammoniacal liquor;

(5), raw gas is divided into two-way together with coal tar and ammonia water mixture through the coal tar of raw gas reclaiming clean device and ammoniacal liquor gas-liquid mixture transfer lime, one road heating gas transfer lime upwards leads to air cooler and cools, and coal tar ammonia water mixture flows to tar ammonia settling bath downwards through another road mixed solution pipe of raw gas reclaiming clean device and carries out precipitate and separate;

(6), cooling raw gas is delivered in the activated coke Dry recovery device of raw gas reclaiming clean device and is carried out activated coke absorption, saturated activated coke falls into saturated active coke storage silo, send into active coke through saturated active coke bucket elevator and carry out evaporation regeneration, unsaturated activated coke after evaporation falls into unsaturated activated coke recovery bin, again send in activated coke Dry recovery device through unsaturated activated coke bucket elevator and enter absorption, so repeatedly carry out, the purified gas after absorption is used for storing or burning;

(7), active coke through raw gas reclaiming clean device carry out evaporating regeneration containing light oil, crude benzol, mixed triolein, the compositions such as carbolineum enter cut tower by evaporation exhaust of oil pipe and carry out cut, the carbolineum that proportion is larger flows in carbolineum medial launder by lower cut net, the slightly heavy mixed triolein of proportion flows in the oil-collecting tank of mixed triolein oil trap, entered in mixed triolein water cooler by mixed triolein transfer lime and cool, finally store in mixed triolein medial launder, the light oil that proportion is lighter and crude benzol steam enter oil gas air cooling from light oil crude benzene vapor vent pipe and carry out condensation, phlegma enters water-and-oil separator and carries out oily water separation, light oil and crude benzol solution enter in crude benzol backflash, wherein a part is used for returning stream, part overflow is to light oil crude benzol medial launder.

(1) described step coal gangue method for pyrolysis, the equipment that present method relates to also comprises gas reversing system, concrete steps are: the rotation reversing motor of (1), gas reversing system drives upper dish to rotate on lower wall, air supervisor is in charge of connection with the first air of the first combustion heater, and air supervisor is in charge of with the second air of the second combustion heater and is in dissengaged positions; Meanwhile, coal gas supervisor be also connected with the first gas manifold of the first combustion heater, and coal gas supervisor is in dissengaged positions with the second gas manifold of the second combustion heater; Meanwhile, combustion exhaust supervisor to be in charge of with the first combustion exhaust of the first combustion heater and also to cut off mutually, and the second combustion exhaust of corresponding combustion exhaust supervisor and the second combustion heater is in charge of the state of being connected that is in;

(2), air is blasted air supervisor by the air blower of gas reversing system, air enters the first combustion heater successively the first thermal, enter in the first combustion chamber after utilizing the heat of the first heat storage release to heat air, simultaneously, raw gas is obtained purified gas and blasts coal gas master by gas fan after recovery of chemical products purification, purified gas enters in the first combustion chamber and burns, meanwhile, because combustion exhaust supervisor is in charge of with the first combustion exhaust be in phase dissengaged positions, and corresponding combustion exhaust supervisor and the second combustion exhaust are in charge of the state of being connected that is in, so the waste gas in the first combustion chamber after gas-fired can only enter into the second combustion chamber by combustion chamber through hole, again in the second thermal, discharge from by exhaust gas fan after absorbing and cooling temperature is carried out in the second accumulation of heat in the second thermal,

(3), reach combustion time, the rotation reversing motor of gas reversing system drives upper dish to rotate backward on lower wall, air supervisor is in charge of cut-out with the first air of the first combustion heater, air supervisor is in charge of with the second air of the second combustion heater and is in on-state, simultaneously, coal gas supervisor also cut off mutually with the first gas manifold of the first combustion heater, second gas manifold on-state of coal gas supervisor and the second combustion heater, meanwhile, combustion exhaust supervisor and the first combustion exhaust of the first combustion heater are in charge of and are also connected, and the second combustion exhaust of corresponding combustion exhaust supervisor and the second combustion heater is in charge of also phase dissengaged positions,

(4), air blasts the second thermal of the second combustion heater by the air blower of gas reversing system, enters in the second combustion chamber after utilizing the heat of the second heat storage release in the second thermal to heat air, simultaneously, gas fan by raw gas through recovery clean after obtain purified gas and blast coal gas supervisor, coal gas enters in the second combustion chamber and burns, meanwhile, because the first combustion exhaust of combustion exhaust supervisor and the first combustion heater is in charge of be connected, and the second combustion exhaust of corresponding combustion exhaust supervisor and the second combustion heater is in charge of and is in phase dissengaged positions, so the waste gas in the second combustion chamber after gas-fired can only enter in the first combustion chamber by combustion chamber through hole, again through the first thermal, after the first heat storage in the first thermal carries out absorbing and cooling temperature, discharge finally by exhaust gas fan.

The water-gas reaction concrete steps of (2) described step coal gangue pyrolytic gasification are:

(1), water vapor in the steam pockets of steam generation device is led to the low temperature cooling chamber of material heat sink, water vapor blows to low temperature cooling chamber, except lowering the temperature to the solid product after pyrolytic gasification in low temperature cooling chamber, water vapor upwards seals in the high temperature reduction chamber of material heat sink, give and fall into the cooling of the high-temp solid product after a large amount of pyrolytic gasification of high temperature reduction chamber from pyrolysis vaporizer, while the solid of water vapor after giving pyrolytic gasification carries out lowering the temperature, improve vapor temperature and form superheated vapour;

(2), superheated vapour enters pyrolysis vaporizer, and contacts with the high-temperature coal spoil pyrolysis material of pyrolysis vaporizer, and the charcoal after coal gangue pyrolysis in solid product and superheated vapour meet and carry out water-gas reaction and generate water-gas;

(3), solid product after coal gangue pyrolytic gasification falls into high temperature reduction chamber and the low temperature cooling chamber of material heat sink from pyrolysis vaporizer, overheated high-temperature water vapor is heated as again to the water vapor upwards entering pyrolysis vaporizer through low temperature cooling chamber and high temperature reduction chamber, again the solid product after coal gangue pyrolytic gasification is lowered the temperature simultaneously, in recycling low temperature cooling chamber, solid product waste heat adds thermosetting water vapor to the water in the body of heater water bag of steam generation device, water vapor passes into a large amount of water vapors supplementing in the steam pockets of steam generation device and consume because of water-gas reaction, water-gas reaction can uninterruptedly be carried out continuously.

(6) described step also comprises: raw gas carries out activated coke absorption in activated coke Dry recovery device, and the purified gas after absorption is transported to the outer gas-operated thermal bath facility of coal gangue pyrolysis installation by purified gas output tube, interior gas-operated thermal bath facility burns.

The present invention is by carrying out high temperature pyrolysis to coal gangue and water-gas reaction obtains raw gas, again purification is carried out in raw gas derivation and obtain oil gas product, reach and coal gangue is made full use of, reduce coal gangue spontaneous combustion polluted air or cause fire, cause the problems such as serious environmental pollution, obtain larger economic worth and social benefit; Heat and temperature that purified gas after purification can store or provide to coal gangue pyrolytic gasification for burning, the waste heat of the solid product after coal gangue pyrolytic gasification is utilized again to produce water vapor, do not need to increase extra energy consumption, high-efficiency environment friendly, cost savings

Accompanying drawing explanation

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

Fig. 1 is coal gangue pyrolytic gasification stove schematic diagram of the present invention;

Fig. 2 is gas diverter schematic diagram of the present invention;

Gas diverter of the present invention coils schematic diagram to Fig. 3;

Fig. 4 is gas diverter lower wall schematic diagram of the present invention;

Fig. 5 is c-c place cross-sectional schematic in Fig. 3;

Fig. 6 is gas diverter of the present invention and combustion heater pipe network connection diagram;

Fig. 7 is t-t place schematic cross-section in Fig. 1;

Fig. 8 is u-u place schematic cross-section in Fig. 1;

Fig. 9 is v-v place schematic cross-section in Fig. 1;

Figure 10 is central supported of the present invention bow schematic diagram (in Fig. 1 x-x place schematic cross-section);

Figure 11 is vapour passage of the present invention intention (in Fig. 1 y-y place schematic cross-section);

Figure 12 is steam pockets pipeline schematic diagram of the present invention (in Fig. 1 z-z place schematic cross-section);

Figure 13 is industry control central electrical connection diagram of the present invention;

Figure 14 is gas-liquid separator of the present invention and air cooler composition schematic diagram;

Figure 15 is gas fan group of the present invention, activated coke Dry recovery device, activated coke bucket elevator, active coke, cut tower, oil gas air cooler assembly schematic diagram.

Embodiment

The specific embodiment of the comprehensive utilization of coal gangue pyrolytic gasification of the present invention is mainly introduced in detail following.

First part's coal gangue Task-size Controlling

Coal gangue processing is broken into 0 ~ 20mm granularity, dehydrates in this size range to coal gangue particle, fully dry, dewatering efficiency is high, but this is not formed the restriction of the present invention to required coal gangue.

The damping of second section coal gangue is dewatered

The hot waste gas produced after purified gas burning after raw gas recovery of chemical products purification coal gangue high temperature pyrolysis and water-gas reaction produced is used for the coal gangue pellet after fragmentation entering stokehold and carries out damping dehydration.

In order to keep the neat and tidy of environment, after damping dehydration, tail gas washes one's hair the rear qualified discharge of purification by water.

Part III coal gangue high temperature pyrolysis and gasification (pyrolysis heating, water-gas are sent out and answered)

The high temperature pyrolysis heating of first segment coal gangue

As shown in Figure 1, coal gangue pyrolysis installation 6 is arranged in the middle part of body of heater 91, mainly comprises pyrolysis vaporizer 61, outer gas-operated thermal bath facility 64, interior gas-operated thermal bath facility 67, gas reversing system 66, central supported bow 65 formation, as Fig. 8, shown in Fig. 9: pyrolysis vaporizer 61 is by fire-resistant thermally conductive material, outer ring wall 612, 611 form an annulus, being centered around pyrolysis vaporizer's exterior wall 611 ring periphery is outer gas-operated thermal bath facility 64, be interior gas-operated thermal bath facility 67 in ringwall 612 ring in pyrolysis vaporizer, wherein outer gas-operated thermal bath facility 64 is mainly first combustion heater 62 of some groups of (this example 9 groups) identical associations of structure, second combustion heater 60 forms (see Fig. 1, Fig. 9), as Fig. 1, Fig. 8, shown in Fig. 9: because pyrolysis vaporizer 61 is highly higher, wherein outer gas-operated thermal bath facility 64 is mainly divided into, in, lower Three-section type heating, every section of first combustion heater 62 having 9 groups of identical associations of structure, second combustion heater 60 is formed, interior gas-operated thermal bath facility 67 is mainly divided into, lower two-section type heating, every section has 6 groups of identical 3rd combustion heaters 68 mutually of structure, 4th combustion heater 69 is formed.

As Fig. 1, Fig. 9 show, the first described combustion heater 62 mainly comprises the first combustion chamber 621, first coal gas and enters arm 622 and the first regenerative heat exchanger 624, first coal gas and enter arm 622 and lead in the first combustion chamber 621 through body of heater 91 exterior wall.

As shown in Fig. 1, Fig. 9: body of heater 91 exterior wall that the first combustion chamber 621 is made up of refractory materials and fire-resistant thermally conductive material make the gas-fired quirk that pyrolysis vaporizer's outer ring wall 611 and outer quirk partition wall 625 surround a relative closure.

As shown in Fig. 1, Fig. 9, the first regenerative heat exchanger 624 comprises the first thermal 626, first heat storage 623, first air and enters arm 627 and the first combustion exhaust exhaust outlet 628; First thermal 626 is arranged in body of heater 91 exterior wall, first heat storage 623 arranges in the first thermal 626, first thermal 626 one end is led to bottom the first combustion chamber 621, and the other end is connected to the first air respectively and enters arm 627 and the first combustion exhaust exhaust outlet 628.

As shown in Figure 9, enter at the first air and to be provided with the first one-way air valve 629, first one-way air valve 629 between arm 627 and the first thermal 626 and to allow air to enter pipe 627 from the first air and the first thermal 626 flows into the first combustion chamber 621; The first unidirectional waste gas valve 620 is provided with between the first combustion exhaust exhaust outlet 628 and the first thermal 626, first unidirectional waste gas valve 620 allows gas-fired waste gas to flow through the first thermal 626 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 and the first air are in charge of 6671 connections, air supervisor 667 and the second air are in charge of 6673 and are 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 and are in and are connected, the effect of replacement first one-way air valve 629 and the first unidirectional waste gas valve 620 can be played).

In like manner, as shown in Figure 9: identical second combustion heater 60 of structure mainly comprises the second combustion chamber 601, second coal gas and enters arm 602 and the second regenerative heat exchanger 604.

As shown in Figure 9: body of heater 91 exterior wall that the second combustion chamber 601 is made up of refractory materials and fire-resistant thermally conductive material make the gas-fired quirk that pyrolysis vaporizer's outer ring wall 611 and outer quirk partition wall 625 surround a relative closure.

As shown in Fig. 1, Fig. 9: the second coal gas enters arm 602 and leads in the first combustion chamber 601 through body of heater 91 exterior wall.

As shown in Figure 9: the second regenerative heat exchanger 604 comprises the second thermal 606, second heat storage 603, second air enters arm 607 and the second combustion exhaust exhaust outlet 608, second thermal 606 is arranged in body of heater 91 exterior wall, second heat storage 603 arranges in the second thermal 606, second thermal 606 one end is led to bottom the second combustion chamber 601, the other end is connected to the second air respectively and enters arm 607 and the second combustion exhaust exhaust outlet 608, enter between arm 607 and the second thermal 606 at the second air and be provided with the second one-way air valve 609, second one-way air valve 609 allows air to enter pipe 607 from the second air and the second thermal 606 flows into the second combustion chamber 601, the second unidirectional waste gas valve 600 is provided with between the second combustion exhaust exhaust outlet 608 and the second thermal 606, second unidirectional waste gas valve 600 allows gas-fired waste gas to flow through the second thermal 606 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 and are in connection, 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 with the second combustion exhaust and also cuts off mutually, the effect of replacement second one-way air valve 609 and the second unidirectional waste gas valve 600 can be played).

As shown in Fig. 1, Fig. 8, between 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, first combustion chamber 621 and second combustion chamber 601 of next-door neighbour are connected to form and are associated one group by combustion chamber through hole 6251, in this example, outer gas-operated thermal bath facility 64 is provided with quirk partition wall 625 partition wall outside 18 roads altogether, forms 9 groups of association burning groups; In addition, as shown in Figure 1; Because pyrolysis vaporizer 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 structures identical and associates the first combustion heater 62, second combustion heater 60 and forms.

As shown in Figure 1: on body of heater 91 exterior wall, each combustion chamber is also 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 of each combustion chamber of technician's direct vision, chamber temperature table 6203 is provided with for the temperature monitoring to combustion chamber, so that the assessment to pyrolysis of coal process in chamber temperature monitoring holes 6201.

As shown in figure 13: chamber temperature table 6203 and industry control center 90 are connected, the temperature data of chamber temperature table 6203 is automatically gathered by industry control center 90.

As Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, gas reversing system 66 comprises dish 661, lower wall 662, rotate reversing motor 663, air blower 664, gas fan 665, exhaust gas fan 666, lower wall 662 is connected to an air supervisor 667 respectively and the first air is in charge of 6671, second air is in charge of 6673, a coal gas supervisor 668 and the first gas manifold 6681, second gas manifold 6683, a combustion exhaust supervisor 669 and the second combustion exhaust are in charge of 6693, first combustion exhaust is in charge of 6691, wherein, 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 first the setting of gas manifold 6681 and the second gas manifold 6683 just exchange (Fig. 3, Fig. 4, shown in Fig. 6).

As Fig. 3, Fig. 4, Fig. 5, shown in Fig. 6: upper dish 661 is fitted in above lower wall 662, upper dish 661 respectively correspondence is provided with air pipe connecting 6672, gas connection pipes 6682, combustion exhaust pipe connecting 6692, rotate reversing motor 663 drive upper dish 661 on lower wall 662 reciprocating rotation thus realize air supervisor 667 be constantly in charge of with the first air 6671 and second air be in charge of 6673 and carry out connecting and cutting off conversion, coal gas supervisor 668 constantly carries out connecting and cutting off conversion with the first gas manifold 6681 and the second gas manifold 6683, combustion exhaust supervisor 669 be constantly in charge of with the second combustion exhaust 6693 and first combustion exhaust be in charge of and 6691 carry out connecting and cut off and change (with the first air be in charge of 6671 and second air be in charge of 6673 and first the switching of gas manifold 6681 and the second gas manifold 6683 just contrary).

As shown in Fig. 1, Fig. 6, be also provided with two groups of bustle pipes in the periphery of body of heater 91, comprise the first air bustle pipe 6674, first coal gas bustle pipe 6684, first combustion exhaust bustle pipe 6694; Second air bustle pipe 6675, second coal gas bustle pipe 6685, second combustion exhaust bustle pipe 6695.

As shown in Fig. 1, Fig. 6, first air bustle pipe 6,674 first air is in charge of 6671 and first air enter arm 627 and link up, the first air is in charge of the 6671, first air bustle pipe 6674, first air and enters arm 627, first thermal 626 and the first combustion chamber 621 forms same path;

Meanwhile, the first gas manifold 6681 and the first coal gas are entered arm 622 and link up by the first coal gas bustle pipe 6684, the first gas manifold 6681, first coal gas bustle pipe 6684, first coal gas are entered arm 622 and the first combustion chamber 621 forms same path;

Simultaneously now, first combustion exhaust bustle pipe 6694 be the first combustion exhaust is in charge of 6691 and first combustion exhaust exhaust outlet 628 link up, the first combustion exhaust is in charge of the 6691, first combustion exhaust bustle pipe 6694, first combustion exhaust exhaust outlet 628, first thermal 626 and forms same path with combustion chamber 621.

In like manner, second air bustle pipe 6,675 second air is in charge of 6673 and second air enter arm 607 and link up, the second air is in charge of the 6673, second air bustle pipe 6675, second air and enters arm 607, second thermal 606 and the second combustion chamber 601 forms same path;

Meanwhile, the second gas manifold 6683 and the second coal gas are entered arm 602 and link up by the second coal gas bustle pipe 6685, the second gas manifold 6683, second coal gas bustle pipe 6685, second coal gas are entered arm 602 and the second combustion chamber 601 forms same path;

Meanwhile, second combustion exhaust bustle pipe 6,695 second burning gas is in charge of 6693 and second combustion exhaust exhaust outlet 608 link up, the second combustion exhaust is in charge of the 6693, second combustion exhaust bustle pipe 6695, second combustion exhaust exhaust outlet 608, second thermal 606 and the second combustion chamber 601 forms same path.

In addition; as shown in figure 13; this example also comprises gas reversing system controller 906 for controlling rotation reversing motor 663, air blower 664, gas fan 665, exhaust gas fan 666; gas reversing system electric controller 906 is connected with upper industry control center 90 again; certainly from electric control theory; rotate reversing motor 663, air blower 664, gas fan 665, exhaust gas fan 666 in this example also can directly control by industry control center 90, so arrange gas reversing system controller 906 herein do not form restriction to this routine protection domain.

Shown in as shown in Figure 1, Figure 2 ~ Fig. 5, Fig. 6, Figure 13: the heating means of this outer gas-operated thermal bath facility 64 are:

(1) industry control center 90 starts and rotates reversing motor 663 and drive upper dish 661 to rotate on lower wall 662, and air supervisor 667 and the first air are in charge of 6671 connections, air be responsible for 667 and second air be in charge of 6673 and be in dissengaged positions; Meanwhile, coal gas supervisor 668 and the first gas manifold 6681 are also connected, and coal gas supervisor 668 and the second gas manifold 6683 are in 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 be responsible for 669 and second combustion exhaust be in charge of 6693 and be in the state of being connected;

(2) industry control center 90 starts air blower 664, gas fan 665, exhaust gas fan 666, air is blasted air supervisor 667 by air blower 664, air passes into air pipe connecting 6672, first air successively and is in charge of the 6671, first air bustle pipe 6674, first air and enters arm 627 and enter into the first thermal 626, enters in the first combustion chamber 621 after the heat utilizing the first heat storage 623 to discharge heats air, simultaneously, raw gas is obtained purified gas and blasts coal gas supervisor 668 by gas fan 665 after recovery of chemical products purification, coal gas enters gas connection pipes 6682 successively, first gas manifold 6681, first coal gas bustle pipe 6684, 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 phase dissengaged positions, and corresponding combustion exhaust supervisor 669 and the second combustion exhaust are in charge of 6693 and are 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 top, again in the second thermal 606, carry out after absorbing and cooling temperature from the second combustion exhaust exhaust outlet 608 through the second heat storage 603 in the second thermal 606, second combustion exhaust bustle pipe 6695, second combustion exhaust is in charge of 6693, combustion exhaust supervisor 669 is discharged by exhaust gas fan 666,

(3) reach setting combustion time, industry control center 90 starts rotation reversing motor 663 and 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 and are 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-state, 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 is blasted air supervisor 667 by air blower 664, air passes into air pipe connecting 6672, second air successively and be in charge of the 6673, second air bustle pipe 6675, second air and enter arm 607 and enter into the second thermal 606, enters in the second combustion chamber 601 after the heat utilizing the second heat storage 603 in the second thermal 606 to discharge heats air, simultaneously, gas fan 665 by raw gas through recovery clean after obtain purified gas and blast coal gas supervisor 668, coal gas enters gas connection pipes 6682 successively, second gas manifold 6683, second coal gas bustle pipe 6685, 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 and are 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 top, again through the first thermal 626, after the first heat storage 603 in the first thermal 626 carries out absorbing and cooling temperature, last from the first combustion exhaust exhaust outlet 628, first combustion exhaust bustle pipe 6694, first combustion exhaust is in charge of 6691, combustion exhaust supervisor 669 is discharged by exhaust gas fan 666, so outer gas-operated thermal bath facility 64 combustion principle is when the waste gas generated after gas-fired in the first combustion chamber 621 enters the second combustion chamber 601 from combustion chamber through hole 6251, discharge after the cooling of its exhaust-heat absorption through the second heat storage 603 in the second combustion chamber 601 and the second thermal 606, otherwise, when the waste gas generated after gas-fired in the second combustion chamber 601 enters the first combustion chamber 621 from combustion chamber through hole 6251, discharge after the cooling of its exhaust-heat absorption through the first heat storage 603 in the first combustion chamber 621 and the first thermal 606.

In sum, this gas two by gas reversing system enters the mode of operation of the regenerative heat exchange of a mode of operation out and regenerative heat exchanger, realize the combustion heater alternate combustion of two groups of associations, namely gas reversing system sends into air, purified gas burning to the combustion chamber of the first combustion heater, hot waste gas simultaneously from the combustion chamber of the second combustion heater after sucking-off burning, 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 sends into air, purified gas burning to the combustion chamber of the second combustion heater, hot waste gas simultaneously from the combustion chamber of the first combustion heater after sucking-off burning, 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 mutually utilize gas-fired after waste gas residual heat carry out adding the method for warm air, both served the waste gas residual heat after to gas-fired to make full use of, improve the efficiency of combustion of the coal gas in combustion chamber, the cooling carrying out to a certain degree to the waste gas after gas-fired again, the external energy need not be consumed, play energy-saving and cost-reducing object, save coal gangue pyrolytic gasification cost.

Automatically controlled by the heating of external gas-operated thermal bath facility 64, reduce human cost, improve the control accuracy to pyrolysis of coal process, realize automatization.

As Fig. 1, shown in Figure 10, interior gas-operated thermal bath facility 67 is primarily of some groups of (this example 6 groups) combustion heaters 68 that structure is identical, 69, because the highly higher interior gas-operated thermal bath facility 67 of pyrolysis vaporizer 61 is primarily of being mainly divided into, lower two-section type heating, every section has association the 3rd combustion heater 68 that 6 groups of structures are identical, 4th combustion heater 69, its composition structure and combustion principle associate the first burning heater 62 with above introduction, second burning heater 60 is almost identical, 3rd combustion heater 68 also comprises the 3rd combustion chamber 681, 3rd coal gas enters arm 682, 3rd thermal 686, 3rd heat storage 683, 3rd air enters arm 687 and the 3rd combustion exhaust exhaust outlet 688.

As shown in Fig. 1, Fig. 9, Figure 10, the 3rd combustion chamber 681 is made ringwall 612 and internal-quirk partition wall 635 in pyrolysis vaporizer by fire-resistant thermally conductive material and is surrounded the gas-fired quirk of a relative closure.

As shown in Figure 1, Figure 10 shows, 3rd coal gas of hypomere enters arm 682 and upwards leads to the 3rd combustion chamber 681 from article passing beneath of bow 651 for central supported bow 65,3rd thermal 686 is arranged on the body of heater 91 below article bow 651,3rd heat storage 683 is placed in the 3rd thermal 686,3rd thermal 686 one end is led to bottom the 3rd combustion chamber 681 by extending passage 6861 from the upwards extension that passes beneath of article bow 651 of central supported bow 65, and the 3rd thermal 686 the other end is connected to the 3rd air respectively and enters arm 687 and the 3rd combustion exhaust exhaust outlet 688.

As Fig. 1, Fig. 9, shown in Figure 10, 3rd coal gas of epimere enters arm 682 and upwards leads to the 3rd combustion chamber 681 through quirk partition wall 635 from article passing beneath of bow 651 for central supported bow 65, 3rd thermal 686 is arranged on the body of heater 91 below article bow 651, 3rd heat storage 683 is placed in the 3rd thermal 686, 3rd thermal 686 one end is upwards led to bottom the 3rd combustion chamber 681 through quirk partition wall 635 extension by extending passage 6861 from the passing beneath of article bow 651 of central supported bow 65, 3rd thermal 686 the other end is connected to the 3rd air respectively and enters arm 687 and the 3rd combustion exhaust exhaust outlet 688.

In like manner, as shown in Figure 9, Figure 10,4th combustion heater 69 structure is complete identical with the 3rd combustion heater 68, repeats no more here, and wherein the 4th combustion chamber 691 and the 3rd combustion chamber 681 are connected to form by chamber passage 6305 and associated one group (shown in Fig. 1, Fig. 8).

Wherein, as shown in Figure 6,3rd coal gas of the 3rd combustion chamber 681 of the 3rd burning heater 68 enters arm 682, the 3rd air enters arm 687 and the 3rd combustion exhaust exhaust outlet 688 is in charge of the 6671, first combustion exhaust respectively by the first coal gas bustle pipe 6684, first air bustle pipe 6674, first combustion exhaust bustle pipe 6694 and the first gas manifold 6681, first air and is in charge of 6691 and communicates.

As shown in Fig. 1, Fig. 6, Figure 10, the 4th coal gas of the 4th combustion chamber 691 of the 4th burning heater 69 enters arm 692, the 4th air enters arm 697 and the 4th combustion exhaust exhaust outlet 698 is in charge of the 6673, second combustion exhaust respectively by the second coal gas bustle pipe 6685, second air bustle pipe 6675, second combustion exhaust bustle pipe 6695 and the second gas manifold 6683, second air and is in charge of 6693 and communicates.

In sum, the 3rd burning heater 68, the 4th combustion heater 69 combustion principle are almost identical with above first burning heater 62, second burning heater 60, repeat no more here.

As shown in Figure 1, Figure 10 shows, central supported bow 65, because the quirk partition wall 635 of ringwall 612 and combustion heating unit 67 is all arranged in furnace chamber in pyrolysis vaporizer, needs central supported to bend 65 and provide support for it, provide the laying of various pipeline to again combustion heating unit 67 simultaneously.

As shown in Figure 1, Figure 10 shows, central supported bow 65 is arranged in the furnace chamber below pyrolysis vaporizer 61, combustion heating unit 67, mainly comprise bar bow 651, the Huo Gong center ringwall 652 of some, 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 around ringwall 652 center, Huo Gong center at a certain angle spaced radiation shape to scatter layout, fire bow 651 in this example is 12 bows, and quantity is consistent with the 3rd burning heater 68 the 4th burning heater 69 sum that is mutually related of combustion heating unit 67.

As shown in Figure 1, Figure 10 shows, article one, fiery bow in the body of wall of 651 arranges the extension passage 6861 that the 3rd coal gas enters arm 682 and the 3rd thermal 686, tightly adjacent another bar fire bends the extension passage 6961 that the 4th coal gas arranged in the body of wall of 651 enters arm 692 and the 4th thermal 696, provide convenience to the pipeline laying of combustion heating unit 67, make the various conduit arrangements of combustion heating unit 67 orderly, be unlikely to interfere.

Second section water-gas reaction

Because coal gangue temperature in pyrolysis vaporizer is higher, then pass into water vapor to coal gangue, the charcoal in coal gangue pyrolysis after product and superheated vapour meet and carry out water-gas reaction and generate water-gas (carbon monoxide and hydrogen).

As shown in Fig. 1, Figure 10, Figure 11, water-gas reaction device 7 comprises pyrolysis vaporizer 61, material heat sink 70, steam generation device 75.

As shown in Figure 1, pyrolysis vaporizer 61 is positioned at above central supported bow 65, and material heat sink 70, steam generation device 75 are positioned at below central supported bow 65.

As shown in Figure 1, shown in Figure 11, material heat sink 70 is arranged on and stretches out body of heater 91 bottom, comprises high temperature reduction chamber 701, low temperature cooling chamber 702, reduction chamber bridge arch 703; The top of high temperature reduction chamber 701 communicates with bottom pyrolysis vaporizer 61; High temperature reduction chamber 701 is setting up and down with low temperature cooling chamber 702, and reduction chamber bridge arch 703 is arranged between high temperature reduction chamber 701 and low temperature cooling chamber 702, and reduction chamber bridge arch 703 comprises bridge bow 7031, steam chest 704, steam enter siphunculus 707; Article 4, bridge bow 7031 is partitioned into spoke shape layout at an angle with high temperature reduction chamber 701 and low temperature cooling chamber 702 axle center, steam chest 704 is formed in the middle part of bridge bow 7031, steam chest 704 is a cylindrical chamber, the top of steam chest 704 is provided with semisphere blast cap 708, and the lower openings of steam chest 704 is towards low temperature cooling chamber 702; Steam enters siphunculus 707 and is arranged in bridge bow 7031, and steam enters siphunculus 707 one end and leads to steam chest 704, and the other end stretches out outside body of heater 91.

As Fig. 1, shown in Figure 12, steam generation device 75 comprises annular hollow metal box body 755, steam pockets 754 and drum input tube 751, drum output tube 752, annular hollow metal box body 755 is arranged on bottom body of heater 91, the inner ring cavity 758 of annular hollow metal box body 755 is connected to low temperature cooling chamber 702 bottom of material heat sink 70, the big up and small down funnel-form of inner ring cavity 758 annular cavity, the body of heater water bag 753 that opposing seal is used for storage of water is formed in annular hollow metal box body 755 casees, body of heater water bag 753 is connected to water inlet pipe 756 and drum input tube 751, water inlet pipe 756 communicates with water tank 757, drum input tube 751 and steam pockets 754 are connected, drum output tube 752 and the steam of material heat sink 70 of steam pockets 754 enter siphunculus 707 the other end and communicate.

Water-gas reaction Principle Method of the present invention is:

(1), in steam pockets 754, water vapor enters siphunculus 707 by drum input tube 752 and steam and passes into water vapor to the low temperature cooling chamber 702 of material heat sink 70, water vapor blows to low temperature cooling chamber 702, except lowering the temperature to the solid product after pyrolytic gasification in low temperature cooling chamber 702, water vapor upwards seals in high temperature reduction chamber 701, give and fall into the cooling of the high-temp solid product after a large amount of pyrolytic gasification of high temperature reduction chamber 701 from pyrolysis vaporizer 61, while the solid of water vapor after giving pyrolytic gasification carries out lowering the temperature, improve vapor temperature and form superheated vapour;

(2), superheated vapour enters pyrolysis vaporizer 61 through central supported bow 65, and contact with the high-temperature coal spoil pyrolysis material of pyrolysis vaporizer 61, the charcoal after coal gangue pyrolysis in solid product and superheated vapour meet and carry out water-gas reaction and generate water-gas (carbon monoxide and hydrogen);

(3), solid product after coal gangue pyrolytic gasification falls into high temperature reduction chamber 701 and the low temperature cooling chamber 702 of material heat sink 70 from pyrolysis vaporizer 61, overheated high-temperature water vapor is heated as again to the water vapor upwards entering pyrolysis vaporizer 61 through low temperature cooling chamber 702 and high temperature reduction chamber 701, again the solid product after coal gangue pyrolytic gasification is lowered the temperature simultaneously, in recycling low temperature cooling chamber 702, solid product waste heat adds thermosetting water vapor to the water in body of heater water bag 753, water vapor enters in steam pockets 754 by drum input tube 751, to supplementing a large amount of water vapors consumed because of water-gas reaction in steam pockets 754, water-gas reaction can uninterruptedly be carried out continuously.

It is carry out in pyrolysis vaporizer 61 middle and lower part that water-gas reaction of the present invention generates in a large number, this is because the coal gangue pyrolysis in this section of pyrolysis vaporizer is relatively abundant, temperature is also relatively high, now pass into the water vapor of hyperthermia and superheating from the bottom of pyrolysis vaporizer 61, the charcoal in the solid product after overheated water vapor and coal gangue pyrolysis swashs mutually will produce a large amount of water-gas; Certainly, water vapor is being given in the solid product temperature-fall period in high temperature reduction chamber 701 and low temperature cooling chamber 702 after coal gangue pyrolytic gasification, also water-gas can be produced with charcoal remaining in the solid product after coal gangue pyrolytic gasification, but the amount produced is relatively little, this height of charcoal remaining in solid product after this and coal gangue pyrolytic gasification is few, and steam temperature neither be too high relevant.

The present invention utilizes the waste heat of the relatively low solid product of the temperature after coal gangue pyrolytic gasification to carry out heat trnasfer and produces water vapor, the solid product that recycling water vapor is higher with temperature directly contacts generation superheated vapour, reach the temperature required of water-gas reaction, promote that water-gas reaction fills part more, both while reduction solid product temperature, produce water vapor and superheated vapour again, thisly do not need to consume that the technological method of additional energy source meets that we advocate today is energy-saving and cost-reducing, the theory of Sustainable development.

Section three, raw gas take-up gear

Coal gangue produces the gas containing a lot of useful composition in high temperature pyrolysis and gasification process, charcoal in coal gangue pyrolysis after product and superheated vapour carry out water-gas reaction and generate water-gas (carbon monoxide and hydrogen), more than be referred to as raw gas, need to derive to utilize raw gas.

As shown in Fig. 1, Fig. 8, Fig. 9, 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; Raw gas concentration chamber 81 be arranged on the top of pyrolysis vaporizer 61 and pyrolysis vaporizer 61 integrally formed; As shown in Fig. 1, Fig. 8, article 6, deriving passage 82 in arranges in quirk partition wall 635, interior derivation feeder connection 821 leads to pyrolysis vaporizer 61 through in the middle part of interior ringwall 612, and interior derivation channel outlet 822 leads to the raw gas concentration chamber 81 at pyrolysis vaporizer top through interior ringwall 612; As shown in Fig. 1, Fig. 8, article 6, outer passage 83 of deriving arranges in the exterior wall of body of heater 91, lower outside derivation feeder connection 831, upper outside derivation feeder connection 834 lead to pyrolysis vaporizer 61 through in the middle part of outer ring wall 611, and outer derivation channel outlet 832 leads to the raw gas concentration chamber 81 at pyrolysis vaporizer top through outer ring wall 611.

As shown in Figure 1, Figure 7 shows, deriving main channel 84 is arranged in the exterior wall of body of heater 91 of coal heat decomposition stove, derive main channel inlets 841 to communicate with raw gas concentration chamber 81 and extend up to the exterior wall top arranging body of heater 91 again and derive in circuit 85, derivation circuit 85 is provided with raw gas export mouth 851, raw gas export mouth 852.

As Fig. 1, Fig. 7, Fig. 8, shown in Fig. 9, because pyrolysis vaporizer 61 annular chamber in this example, so raw gas concentration chamber 81 also corresponding annular chamber, article 6, deriving passage 82 in is separately positioned in 6 road quirk partition walls 635, pyrolysis vaporizer 61 is led to through interior ringwall 612, article 6, outer derivation passage 83 is separately positioned in the middle of body of heater 91 exterior wall and leads to pyrolysis vaporizer 61 through with outer quirk partition wall 625 and outer ring wall 611, wherein, because the circumference of pyrolysis vaporizer 61 is longer, so in pyrolysis vaporizer 61 ringwall 612, outer ring wall 611 is respectively arranged with in 6 and derives feeder connection 821 and lower outside derivation feeder connection 831, upper outside derivation feeder connection 834, again because the height of pyrolysis vaporizer 61 is high, interior derivation feeder connection 821 and lower outside derivation feeder connection 831, upper outside derivation feeder connection about 834 staggers setting, as shown in Figure 1, interior derivation feeder connection 821 is higher than lower outside derivation feeder connection 831, but lower than upper outside derivation feeder connection 834 place, this example adopts this structure can better can derive the raw gas that section different in pyrolysis vaporizer 61 produces, also be provided with 6 larger raw gas main channels 84 of sectional area around raw gas concentration chamber 81 in addition and lead to derivation circuit 85, the object of such setting conveniently can derive a large amount of raw gas in raw gas concentration chamber 81.

As shown in Figure 1, the exterior wall of body of heater 91 is provided with the raw gas temperature monitoring holes 811 leading to raw gas concentration chamber 81, in raw gas temperature monitoring holes 811, places raw gas temperature table 812.

As shown in figure 13, raw gas temperature table 812 and industry control center 90 are electrically connected, and temperature in raw gas concentration chamber 81 is monitored by raw gas temperature table 812 in industry control center 90.

The raw gas that section different in pyrolysis vaporizer 61 produces enters interior derivation passage 82 from interior derivation feeder connection 821 by this routine feature respectively, enter outer derivation passage with lower outside derivation feeder connection 831, upper outside derivation feeder connection 834 to go out in 83 to collect in raw gas concentration chamber 81 again, a large amount of raw gas in certain pyrolysis vaporizer 61 directly rise up in raw gas concentration chamber 81, entering derivation circuit 85 by deriving main channel 84, finally discharging from raw gas export mouth 851.

Section four, continuous pyrolysis gasification

Comprehensively above-mentioned, this routine feature is that coal gangue pyrolysis, gasification (water-gas reaction), steam generation, raw gas are derived process integration in same body of heater, makes coal gangue pyrolysis, gasification (water-gas reaction), steam generation, raw gas be able to continuous realization.

As shown in Figure 1, coal gangue pyrolytic gasification stove 9 comprise body of heater 91, enter furnace charge storehouse 92, coal gangue pyrolysis gasifying device 93, raw gas take-up gear 8, hinge cage sealing discharging device 96, product feed bin 94, coal gangue pyrolysis gasifying device 93 comprises coal gangue pyrolysis installation 6, water-gas reaction device 7, and the concrete structure of coal gangue pyrolysis installation 6, water-gas reaction device 7, raw gas take-up gear 8 is shown in the above, enter furnace charge storehouse 92 and be arranged on body of heater 91 top, body of heater 91 top is provided with into stove cloth passage 921, enter stove cloth passage 921 upper end and enter furnace charge storehouse 92 and communicate, enter stove cloth passage 921 lower end to communicate with pyrolysis vaporizer 61 top of coal gangue pyrolysis installation 6, hinge cage sealing discharging device 96 is arranged on bottom the inner ring cavity 758 of the annular hollow metal box body 755 of the steam generation device 75 of water-gas reaction device 7, product feed bin 94 is placed in bottom body of heater 91, product feed bin 94 connects hinge cage sealing discharging device 96, hinge cage sealing discharging device 96 belongs to prior art, as the sealing discharging device on market, sealing material returning device, sealing blanking device etc.

The method of this routine continuous pyrolysis gasification is:

(1), by the as-fired coal spoil pellet after controlling as-fired coal spoil rotary conveyor 95 damping being dewatered send in furnace charge storehouse 92, then pass through stove cloth passage 921 and enter in the pyrolysis vaporizer 61 of coal gangue pyrolysis installation 6;

(2), by gas-fired after purification in the outer gas-operated thermal bath facility 64 of coal gangue pyrolysis installation 6, interior gas-operated thermal bath facility 67 provide thermal source to pyrolysis vaporizer 61, coal gangue carries out pyrolysis under hot environment in pyrolysis vaporizer 61;

(3), high-temperature water vapor is passed into by water-gas reaction device 7 from pyrolysis vaporizer 61 bottom, and the coal gangue pyrolysis material hot with the high temperature of pyrolysis vaporizer 61 contacts, the charcoal in the solid product after coal gangue pyrolysis and superheated vapour meet and carry out water-gas reaction and generate water-gas;

(4), solid product after coal gangue pyrolytic gasification falls into high temperature reduction chamber 701 and the low temperature cooling chamber 702 of material heat sink 70 from pyrolysis vaporizer 61, overheated high-temperature water vapor is heated as again to the water vapor upwards entering pyrolysis vaporizer 61 through low temperature cooling chamber 702 and high temperature reduction chamber 701, again the solid product after coal gangue pyrolytic gasification is lowered the temperature simultaneously, in recycling low temperature cooling chamber 702, solid product waste heat adds thermosetting water vapor to the water in the body of heater water bag 753 of the annular hollow metal box body 755 of steam generation device 75, water vapor enters in steam pockets 754 by drum input tube 751, to supplementing a large amount of water vapors consumed because of water-gas reaction in steam pockets 754,

(5), steam pockets 754 enters siphunculus 707 by drum input tube 752 and steam and passes into water vapor to the low temperature cooling chamber 702 of material heat sink 70 again, and water-gas reaction can uninterruptedly be carried out continuously;

(6), the gas that produces in high temperature pyrolysis process of coal gangue and carry out water-gas reaction and generate water-gas (carbon monoxide and hydrogen), be referred to as raw gas, raw gas is derived by the raw gas take-up gear 8 that body of heater is arranged, to carry out recovery of chemical products and utilization, derivation main channel 84 process that simultaneously raw gas of comparatively high temps enters raw gas take-up gear from pyrolysis vaporizer 61 top carries out preheating to from the coal gangue pellet just entering stove entering pyrolysis vaporizer 61 top that stove cloth passage 921 enters again;

(7) according to coal gangue pyrolytic gasification degree, reed time controll hinge cage sealing discharging device 96 opens or cuts out, and is entered in product feed bin by the solid product after coal gangue high temperature pyrolysis and gasification cooling in low temperature cooling chamber 702 and inner ring cavity 758.

This example by coal gangue pyrolytic gasification process integration at the hot body of heater of same coal, realize continuous coal gangue pyrolytic gasification, production efficiency is high, needed for equipment, factory building face is little, human cost is low, utilize waste heat in the solid product after pyrolytic gasification to produce water vapor, the high humidity superheated vapour utilizing again water vapor to carry out lowering the temperature simultaneously required for generation water-gas reaction to the solid product after high temperature pyrolysis and gasification, has the feature of low consumption, environmental protection simultaneously.

The comprehensive cyclic utilization of Part IV, pyrolysis of coal gas

Chapter 1, the reclaiming clean of raw gas utilizes (change and produce)

First segment raw gas condensing works

As shown in Figure 1, discharge raw gas temperature from raw gas export mouth 851 higher, carry before recovery of chemical products for the ease of high temperature raw gas, need to use raw gas condensing works 86 pairs of high temperature raw gas and cool.

As shown in Figure 1, raw gas condensing works 86 comprises, condensation housing 861, regulating wheel 862, threaded adjusting bar 863, valve gap 864, valve seat 865, effuser 867, ammoniacal liquor shower nozzle 868, condensation housing 861 is in opposing seal long barrel shape, its side wall upper part offers raw gas admission port 869, ammoniacal liquor shower nozzle 868 is arranged on the top in condensation housing 861, threaded adjusting bar 863 one end is stretched out and regulating wheel 862 thread connection from condensation housing 861 top, threaded adjusting bar 863 the other end and valve gap 864 are connected to a fixed, valve seat 865 to be arranged in condensation housing 861 middle and lower part by condensation housing about 861 points two portions, in being formed like funnelform annular cavity in the middle part of valve seat 865, valve gap 864 is in back taper, valve gap 864 is placed in annular cavity, the control of threaded adjusting bar 863 by driving the gap of the male cone (strobilus masculinus) of valve gap 864 and the inner ring surface of annular cavity to realize the uninterrupted to raw gas, effuser 867 is arranged on bottom condensation housing 861.

In addition, regulating wheel 862 can manual adjustment wheel, can also be the automatic regulating wheel with stepper-motor, and 90 pairs, industry control center regulating wheel 862 rotates and automatically controls as shown in figure 13.

This routine feature is: enter condensation housing 861 when raw gas is discharged from raw gas export mouth 851 by raw gas admission port 869, run into the ammoniacal liquor raw gas of being lowered the temperature that ammoniacal liquor shower nozzle 868 the sprays mixed solution together with coal tar and ammoniacal liquor, flow through from the gap of the inner ring surface of the annular cavity of the male cone (strobilus masculinus) of valve gap 864 and valve seat 865 and enter condensation housing 861 bottom, subsequent purification recovery is carried out finally by effuser 867 conveying, this example drives threaded adjusting bar 863 to move up and down by the rotation of regulating wheel 862, thus the gap length of the inner ring surface of the adjustment male cone (strobilus masculinus) of valve gap 864 and the annular cavity of valve seat 865 plays the control of the raw gas pressure controlling raw gas concentration chamber 81, booster action is played to the control of the coal gangue pyrolysis gas process of pyrolysis vaporizer 61.

The reclaiming clean of second section raw gas

Raw gas after ammoniacal liquor sprays carries out gas-liquid separation through the mixed solution of ammoniacal liquor through effuser together with coal tar, other auxiliary product is refined containing multiple useful organic component such as carbolic oil, naphtalene oil, washing oil, carbolineum etc. for industry in mixed solution after gas-liquid separation, coal gas after gas-liquid separation is after air cooling cooling, after Dry recovery device Recovery Purifying, become purified gas, purified gas can store for burning.

As shown in Figure 14, Figure 15, raw gas reclaiming clean device 4 comprises coal tar and ammoniacal liquor gas-liquid mixture transfer lime 410, coal tar ammonia precipitation process groove 42, air cooler 43, gas fan group 44, activated coke Dry recovery device 45, activated coke bucket elevator 46, active coke 47, cut tower 48, oil gas air cooler 49.

As shown in Figure 14, Figure 15, raw gas and coal tar are divided into through coal tar and ammoniacal liquor gas-liquid mixture transfer lime 410 and enter in two branch roads, raw gas upwards leads to air cooler 43 through a road heating gas transfer lime 412, coal tar and ammonia water mixture lead to coal tar ammonia precipitation process groove 42 downwards through another road mixed solution pipe 413, coal tar ammonia precipitation process groove is general tanks in industry, and coal tar is separated with ammonia precipitation process by coal tar ammonia precipitation process groove 42, air cooler 43 comprises air cooling housing 431, coal gas cooling pipe network 435, air cooling housing 431 inside forms air cooling chamber 436, coal gas cooling pipe network 435 is made up of in grid by certain rule a fairly large number of stainless steel tube, coal gas cooling pipe network 435 independent loop is placed in air cooling chamber 436, coal gas cooling pipe network 435 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 recovery device 45 is communicated with gas fan group 44 by the second gas conveying tube 415.

As shown in figure 13, gas fan group 44 and industry control center 90 are connected, and are automatically controlled the work of gas fan group 44 by industry control center 90.

As shown in figure 15, activated coke Dry recovery device 45 comprises 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 tube 416, recycling shell collector 453 bottom and the second gas conveying tube 415 are connected; Absorption storehouse 458 to be 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 being arranged on recycling shell collector 453 top and is connected, and absorption top, storehouse 4581 and unsaturated activated coke enter between storehouse 454 and arrange the first recovery gate valve 455; Bottom absorption storehouse, 4582 are connected with saturated active coke storage silo 456 with being arranged on bottom recycling shell collector 453, and absorption is provided with the second recovery gate valve 457 bottom storehouse between 4582 and saturated active coke storage silo 456.

As shown in figure 15, active coke 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 top is provided with saturated active coke and enters gate valve 475, bottom is provided with unsaturated activated coke discharge gate valve 474, be provided with unsaturated activated coke recovery bin 476 below unsaturated activated coke discharge gate valve 474, revivifier housing 471 be also provided with evaporation exhaust of oil pipe 473; Waste gas evaporation pipe network 472 one-tenth independent loop is arranged in revivifier housing 471 chamber, 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, in the middle part of waste gas evaporation pipe network 472, be provided with waste gas circulation pipeline 478, waste gas circulation pipeline 478 stretch out revivifier housing 471 outer and hot waste gas recirculation blower (scheming depending on not going out) be connected.

As shown in figure 15, 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 is arranged in the saturated active coke storage silo 456 below activated coke Dry recovery device 45, and the saturated active coke that the other end leads to active coke 47 top enters gate valve 475; Unsaturated activated coke bucket elevator 462 one end is arranged in unsaturated activated coke recovery bin 476, and the unsaturated activated coke that the other end leads to activated coke Dry recovery device 45 enters in storehouse 454.

As shown in figure 13, saturated active coke bucket elevator 461, unsaturated activated coke bucket elevator 462 are connected with industry control center 90, are automatically controlled the work of saturated active coke bucket elevator 461, unsaturated activated coke bucket elevator 462 by industry control center 90.

As shown in figure 15, 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, is carbolineum medial launder 485 bottom cut tower shell 481, cut net 483 to be arranged in cut tower shell 481 and to be 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 active coke 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 15, carbolineum medial launder 485 is mainly used to deposit carbolineum, and it is the common cooling structure (structrual description see following mixed triolein water cooler 487) of an industry that carbolineum medial launder 485 connects a carbolineum water cooler 486 with circulation pipe network.

As shown in figure 15, mixed triolein oil trap 484 comprises oil trap dividing plate 4841, oil trap is every cap 4842, raise up a split ring along 4843 in the middle of oil trap dividing plate 4841, oil trap is put at split ring along on 4843 every cap 4842 cover, split ring forms oil-collecting tank 4844 along between 4843 and cut tower shell 481, oil-collecting tank 4844 groove portion is provided with the mixed triolein transfer lime 418 passing 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 in cooler casing 4871 and 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 15, 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 part forms airtight upper chamber 497, lower chamber 498 respectively, communicated by air cooler pipe network 492 between upper chamber 497 and lower chamber 498, 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, water-and-oil separator 495 is industry common structure, repeats no more.

Comprehensively go out a kind of coal gangue pyrolytic gasification raw gas by the content described in upper Part III, Part IV and derive condensation and reclaiming clean device and method, this device comprises coal gangue pyrolysis gasifying device 93, raw gas take-up gear 8, raw gas condensing works 86, raw gas reclaiming clean device 4, concrete structure and annexation are shown in the above, here repeat no more, only their annexation is explained here.

As shown in Fig. 1, Figure 14, Figure 15, the raw gas export mouth 851 of raw gas take-up gear 8 passes through pipeline communication with the raw gas admission port 869 of raw gas condensing works 86, the effuser 867 of raw gas condensing works 86 is connected by pipeline with the coal tar of raw gas reclaiming clean device 4 and ammoniacal liquor gas-liquid mixture transfer lime 410, and the step that present method realizes is:

(1), by gas-fired after purification in the outer gas-operated thermal bath facility 64 of coal gangue pyrolysis installation 6, interior gas-operated thermal bath facility 67 provide thermal source to pyrolysis vaporizer 61, coal gangue carries out pyrolysis under hot environment in pyrolysis vaporizer 61;

(2), high-temperature water vapor is passed into by water-gas reaction device 7 from pyrolysis vaporizer 61 bottom, and the coal gangue pyrolysis material hot with the high temperature of pyrolysis vaporizer 61 contacts, the charcoal in the solid product after coal gangue pyrolysis and superheated vapour meet and carry out water-gas reaction and generate water-gas;

(3), the gas that produces in high temperature pyrolysis process of coal gangue and carry out water-gas reaction and generate water-gas (carbon monoxide and hydrogen), be referred to as raw gas, raw gas is derived by the raw gas take-up gear 8 that body of heater is arranged;

(4), the raw gas of derivation is passed into raw gas condensing works 86 to carry out ammoniacal liquor and spray cooling and form the mixed solution of raw gas together with coal tar and ammoniacal liquor;

(5), raw gas is divided into two-way together with coal tar and ammonia water mixture through raw gas reclaiming clean device 4 coal tar and ammoniacal liquor gas-liquid mixture transfer lime 410, one road heating gas transfer lime 412 upwards leads to air cooler 43 and cools, and coal tar ammonia water mixture flows to tar ammonia settling bath 42 downwards through another road mixed solution pipe 413 of raw gas reclaiming clean device 4 and carries out precipitate and separate;

(6), cooling raw gas is delivered to through gas fan group 44 in the activated coke Dry recovery device 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 active coke 47 through saturated active coke bucket elevator 462 and carry out evaporation regeneration, unsaturated activated coke after evaporation falls into unsaturated activated coke recovery bin 476, again send in activated coke Dry recovery device 45 through unsaturated activated coke bucket elevator 46 and enter absorption, so repeatedly carry out, purified gas after absorption is used for storing or burning,

(7), active coke 47 through raw gas reclaiming clean device 4 carry out evaporating regeneration containing light oil, 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, entered in mixed triolein water cooler 487 by mixed triolein transfer lime 418 and cool, finally store in mixed triolein medial launder 488, the light oil that proportion is lighter and crude benzol steam enter oil gas air cooler 49 from light oil crude benzene vapor vent pipe 417 and carry out condensation, 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.

Wherein increasing by a step between the 4th step and the 5th step is, by the regulating wheel 83 of raw gas condensing works 86, regulates raw gas together with the circulation of the mixed solution of coal tar and ammoniacal liquor thus the pressure-controlling realized the raw gas in coking chamber 61.

Chapter 2, raw gas reclaiming clean afterfire utilizes

Purified gas burning after first segment raw gas reclaiming clean

Comprehensive above content draws a kind of coal gangue pyrolytic gasification raw gas purification of combustion recycling device and method, this device mainly comprises coal gangue pyrolysis gasifying device 93, raw gas take-up gear 8, activated coke Dry recovery device 45, also comprises raw gas condensing works 86, concrete structure is shown in the above, here repeat no more, at this moment only explain with regard to its annexation.

As shown in Figure 15, Fig. 1, the purified gas output tube 416 on activated coke Dry recovery device 45 top of raw gas reclaiming clean device 4 and the gas fan 665 of gas reversing system 66 in the coal gangue pyrolysis installation 6 of coal gangue pyrolysis gasifying device 93 are connected by pipeline.

Wherein above 6th step is supplemented further and is, purified gas after absorption is transported to the outer gas-operated thermal bath facility 64 of coal gangue pyrolysis installation 6 by purified gas output tube 416, interior gas-operated thermal bath facility 67 burns, and its combustion principle method is mainly shown in described in the 3rd first segment.

Second section utilizes purified gas exhaust gases after combustion to saturated active coke regeneration heating

Comprehensive above content draws a kind of coal gangue pyrolytic gasification raw gas purification of combustion hot waste gas active coke regeneration device and method, this device mainly comprises coal gangue pyrolysis gasifying device 93, raw gas take-up gear 8, active coke 47, also comprises raw gas condensing works 86, concrete structure is shown in the above, here repeat no more, at this moment only explain with regard to its annexation.

As shown in Fig. 1, Figure 15, the hot waste gas bottom the active coke 47 of raw gas reclaiming clean device 4 is entered pipe 477 and connected by pipeline with the exhaust gas fan 666 of gas reversing system 66 in the coal gangue pyrolysis installation 6 of coal gangue pyrolysis gasifying device 93.

Increase by a step again after the 6th step after above-mentioned supplementing, hot waste gas bottom the active coke 47 exhaust gases after combustion in outer for coal gangue pyrolysis installation 6 gas-operated thermal bath facility 64, interior gas-operated thermal bath facility 67 being entered raw gas reclaiming clean device 4 by the exhaust gas fan 666 of gas reversing system 66 enters pipe 477, in the hot waste gas evaporation pipe network 472 that heat is useless, gas enters active coke 47, carrying out evaporation thermal regeneration to the saturated active coke in revivifier housing 471 is unsaturated activated coke.

Section three, utilize purified gas to burn rear hot waste gas to the damping of as-fired coal spoil pellet

Hot waste gas after purified gas burning is used for carrying out damping dehydration to the coal gangue pellet entering stokehold.

Chapter 3, thermal cycling continuous coal gangue pyrolytic gasification is comprehensive

The continuous coal gangue pyrolytic gasification of first segment thermal cycling and damping and tail gas clean-up

Hot waste gas after purified gas burning is used for carrying out damping dehydration to the coal gangue pellet entering stokehold, carries out water again and washes one's hair purification and cooling, finally reach clean discharged at lower temperature after hot waste gas dehydration.

Second section thermal cycling continuous coal gangue pyrolytic gasification composite technology

Comprehensive above content draws the composite technology that a kind of thermal cycling continuous coal gangue pyrolytic gasification is complete, includes stove coal gangue hot waste gas damping dehydration, coal gangue pyrolytic gasification, raw gas condensation, raw gas reclaiming clean, tail gas water washes one's hair purification etc.

Section three, the control of thermal cycling continuous coal gangue pyrolytic gasification composite technology

The various electrical equipments used in the technique such as UTILIZATION OF VESIDUAL HEAT IN of the present invention by the hot waste gas after coal gangue pyrolytic gasification, raw gas reclaiming clean, purified gas burning, burning are controlled, and make thermal cycling continuous coal gangue pyrolytic gasification smooth.

Above content introduction just exemplifies a tool embodiment of thermal cycling continuous coal gangue pyrolytic gasification integration unit and technique, does not form the restriction to this case thermal cycling continuous coal gangue pyrolytic gasification integration unit and technique protection domain.

Claims

1. coal gangue pyrolytic gasification raw gas derives condensation and recovery and purification method, it is characterized in that: the equipment that the method relates to mainly comprises coal gangue pyrolysis gasifying device, raw gas take-up gear, raw gas condensing works, raw gas reclaiming clean device; Described coal gangue pyrolysis gasifying device mainly comprises coal gangue pyrolysis installation and water-gas reaction device, described coal gangue pyrolysis installation is arranged in the middle part of body of heater, mainly comprise pyrolysis vaporizer, outer gas-operated thermal bath facility, interior gas-operated thermal bath facility, central supported bow formation, described pyrolysis vaporizer forms an annulus by the inside and outside ringwall of fire-resistant thermally conductive material, being centered around pyrolysis vaporizer's outer ring wall periphery is outer gas-operated thermal bath facility, is interior gas-operated thermal bath facility in ringwall ring in pyrolysis vaporizer; Described water-gas reaction device comprises pyrolysis vaporizer, material heat sink, steam generation device, the pyrolysis vaporizer of described pyrolysis vaporizer and coal gangue pyrolysis installation is same room, pyrolysis vaporizer is positioned at central supported bow top, and described material heat sink, steam generation device are positioned at central supported bow below; Described raw gas reclaiming clean device comprises coal tar and ammoniacal liquor gas-liquid mixture transfer lime, coal tar ammonia precipitation process groove, air cooler, gas fan group, activated coke Dry recovery device, activated coke bucket elevator, active coke, cut tower, oil gas air cooler; The raw gas export mouth of described raw gas take-up gear first communicates with the raw gas admission port of raw gas condensing works, the effuser of raw gas condensing works communicates with the coal tar of raw gas reclaiming clean device and ammoniacal liquor gas-liquid mixture transfer lime again, and the step that present method realizes is:

(2), high-temperature water vapor is passed into by water-gas reaction device from pyrolysis vaporizer bottom, and the coal gangue pyrolysis material hot with the high temperature of pyrolysis vaporizer contacts, charcoal in solid product after coal gangue pyrolysis and superheated vapour meet and carry out water-gas reaction and generate water-gas, and described water-gas reaction concrete steps are:

(B1), water vapor in the steam pockets of steam generation device is led to the low temperature cooling chamber of material heat sink, water vapor blows to low temperature cooling chamber, except lowering the temperature to the solid product after pyrolytic gasification in low temperature cooling chamber, water vapor upwards seals in the high temperature reduction chamber of material heat sink, give and fall into the cooling of the high-temp solid product after a large amount of pyrolytic gasification of high temperature reduction chamber from pyrolysis vaporizer, while the solid of water vapor after giving pyrolytic gasification carries out lowering the temperature, improve vapor temperature and form superheated vapour;

(B2), superheated vapour enters pyrolysis vaporizer, and contacts with the high-temperature coal spoil pyrolysis material of pyrolysis vaporizer, and the charcoal after coal gangue pyrolysis in solid product and superheated vapour meet and carry out water-gas reaction and generate water-gas;

(B3), solid product after coal gangue pyrolytic gasification falls into high temperature reduction chamber and the low temperature cooling chamber of material heat sink from pyrolysis vaporizer, overheated high-temperature water vapor is heated as again to the water vapor upwards entering pyrolysis vaporizer through low temperature cooling chamber and high temperature reduction chamber, again the solid product after coal gangue pyrolytic gasification is lowered the temperature simultaneously, in recycling low temperature cooling chamber, solid product waste heat adds thermosetting water vapor to the water in the body of heater water bag of steam generation device, water vapor passes into a large amount of water vapors supplementing in the steam pockets of steam generation device and consume because of water-gas reaction, water-gas reaction can uninterruptedly be carried out continuously,

(3), the gas that produces in high temperature pyrolysis process of coal gangue and carry out water-gas reaction and generate water-gas, namely carbon monoxide and hydrogen, be referred to as raw gas, and raw gas is derived by raw gas take-up gear;

(7), active coke through raw gas reclaiming clean device carry out evaporating regeneration containing light oil, crude benzol, mixed triolein, carbolineum composition enters cut tower by evaporation exhaust of oil pipe and carries out cut, the carbolineum that proportion is larger flows in carbolineum medial launder by lower cut net, the slightly heavy mixed triolein of proportion flows in the oil-collecting tank of mixed triolein oil trap, entered in mixed triolein water cooler by mixed triolein transfer lime and cool, finally store in mixed triolein medial launder, the light oil that proportion is lighter and crude benzol steam enter oil gas air cooler from light oil crude benzene vapor vent pipe and carry out condensation, phlegma enters water-and-oil separator and carries out oily water separation, light oil and crude benzol solution enter in crude benzol backflash, wherein a part is used for returning stream, part overflow is to light oil crude benzol medial launder.

2. coal gangue pyrolytic gasification raw gas as claimed in claim 1 derives condensation and recovery and purification method, it is characterized in that: (1) described step coal gangue method for pyrolysis, the equipment that present method relates to also comprises gas reversing system, concrete steps are: the rotation reversing motor of (1), gas reversing system drives upper dish to rotate on lower wall, air supervisor is in charge of connection with the first air of the first combustion heater, and air supervisor is in charge of with the second air of the second combustion heater and is in dissengaged positions; Meanwhile, coal gas supervisor be also connected with the first gas manifold of the first combustion heater, and coal gas supervisor is in dissengaged positions with the second gas manifold of the second combustion heater; Meanwhile, combustion exhaust supervisor to be in charge of with the first combustion exhaust of the first combustion heater and also to cut off mutually, and the second combustion exhaust of corresponding combustion exhaust supervisor and the second combustion heater is in charge of the state of being connected that is in;

(2), air is blasted air supervisor by the air blower of gas reversing system, air enters the first combustion heater successively the first thermal, enter in the first combustion chamber after utilizing the heat of the first heat storage release to heat air, simultaneously, raw gas is obtained purified gas and blasts coal gas supervisor by gas fan after recovery of chemical products purification, purified gas enters in the first combustion chamber and burns, meanwhile, because combustion exhaust supervisor is in charge of with the first combustion exhaust be in phase dissengaged positions, and corresponding combustion exhaust supervisor and the second combustion exhaust are in charge of the state of being connected that is in, so the waste gas in the first combustion chamber after gas-fired can only enter into the second combustion chamber by combustion chamber through hole, again in the second thermal, carry out discharging from exhaust gas fan after absorbing and cooling temperature through the second heat storage in the second thermal,

(3), reach combustion time, the rotation reversing motor of gas reversing system drives upper dish to rotate backward on lower wall, air supervisor is in charge of cut-out with the first air of the first combustion heater, air supervisor is in charge of with the second air of the second combustion heater and is in on-state, simultaneously, coal gas supervisor also cut off mutually with the first gas manifold of the first combustion heater, coal gas supervisor is in on-state with the second gas manifold of the second combustion heater, meanwhile, combustion exhaust supervisor and the first combustion exhaust of the first combustion heater are in charge of and are also connected, and the second combustion exhaust of corresponding combustion exhaust supervisor and the second combustion heater is in charge of and is also in phase dissengaged positions,

(4), air blasts the second thermal of the second combustion heater by the air blower of gas reversing system, enters in the second combustion chamber after utilizing the heat of the second heat storage release in the second thermal to heat air, simultaneously, raw gas is obtained purified gas and blasts coal gas supervisor by gas fan after reclaiming clean, coal gas enters in the second combustion chamber and burns, meanwhile, because the first combustion exhaust of combustion exhaust supervisor and the first combustion heater is in charge of be connected, and the second combustion exhaust of corresponding combustion exhaust supervisor and the second combustion heater is in charge of and is in phase dissengaged positions, so the waste gas in the second combustion chamber after gas-fired can only enter in the first combustion chamber by combustion chamber through hole, again through the first thermal, after the first heat storage in the first thermal carries out absorbing and cooling temperature, discharge finally by exhaust gas fan.

3. coal gangue pyrolytic gasification raw gas as claimed in claim 1 derives condensation and recovery and purification method, it is characterized in that: (6) described step also comprises: raw gas carries out activated coke absorption in activated coke Dry recovery device, the purified gas after absorption is transported to the outer gas-operated thermal bath facility of coal gangue pyrolysis installation by purified gas output tube, interior gas-operated thermal bath facility burns.